/* ==========================================================================
   ADEEL USMAN - MASTER PORTFOLIO STYLESHEET
   Color Theme: High-Contrast Cyber Yellow / Golden Amber & Obsidian
   Features: Continuously Moving Red Splash Border around Portrait,
             E-Commerce Style Auto-Sliders with Thumbnails, Fullscreen Lightbox Modal,
             Hover Micro-Interactions, Smooth Animations, Responsive Layout
   ========================================================================== */

/* Google Fonts linked in index.html for parallel non-blocking load */

:root {
  /* Yellow & Obsidian Dark Theme (Default) */
  --bg-main: #0a0a0d;
  --bg-card: #131317;
  --bg-card-hover: #1b1b22;
  --bg-slider: #0e0e12;
  --border-color: #262630;
  --border-focus: #48485a;
  
  --text-main: #fcfcfd;
  --text-muted: #a3a3b2;
  --text-sub: #717184;
  
  /* Bold Vibrant Yellow Accents */
  --yellow-primary: #facc15;
  --yellow-hover: #eab308;
  --yellow-glow: rgba(250, 204, 21, 0.35);
  --yellow-tint: rgba(250, 204, 21, 0.1);
  --yellow-border: rgba(250, 204, 21, 0.35);
  
  /* Red Accents */
  --red-primary: #ff3366;
  --red-hover: #e11d48;
  --red-glow: rgba(255, 51, 102, 0.45);
  --red-tint: rgba(255, 51, 102, 0.12);
  --red-border: rgba(255, 51, 102, 0.38);
  
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-yellow: 0 0 25px rgba(250, 204, 21, 0.25);
}

/* Light Mode Overrides (High-Contrast, Ultra-Clear Visible Colors) */
[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-slider: #f8fafc;
  --border-color: #cbd5e1;
  --border-focus: #94a3b8;
  
  --text-main: #0f172a;
  --text-muted: #334155;
  --text-sub: #475569;
  
  --yellow-primary: #d97706;
  --yellow-hover: #b45309;
  --yellow-glow: rgba(217, 119, 6, 0.25);
  --yellow-tint: rgba(217, 119, 6, 0.12);
  --yellow-border: rgba(217, 119, 6, 0.38);

  --red-primary: #dc2626;
  --red-hover: #b91c1c;
  --red-glow: rgba(220, 38, 38, 0.3);
  --red-tint: rgba(220, 38, 38, 0.08);
  --red-border: rgba(220, 38, 38, 0.35);
  
  --shadow-card: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-yellow: 0 0 20px rgba(217, 119, 6, 0.2);
}

/* Universal Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%;
  height: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: clip;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
  padding-bottom: 3.5rem;
  overflow-x: clip;
  position: relative;
}

::selection {
  background: var(--yellow-primary);
  color: #000;
}

/* Container */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.25;
}

p {
  color: var(--text-muted);
  font-size: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(10, 10, 13, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1.1rem 0;
  transition: all var(--transition);
}

[data-theme="light"] .header {
  background: rgba(253, 253, 253, 0.92);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition);
}

.mobile-menu-btn:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 0 10px var(--yellow-glow);
}

.mobile-menu-btn .menu-bar {
  width: 18px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-menu-btn.is-active .menu-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-btn.is-active .menu-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.is-active .menu-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.header .main-nav {
  margin-left: auto;
  margin-right: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--yellow-primary);
  box-shadow: 0 0 10px var(--yellow-glow);
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
  filter: contrast(1.04);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--yellow-primary);
}

.theme-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}

.theme-btn:hover {
  border-color: var(--yellow-primary);
  color: var(--yellow-primary);
}

/* Hero Section */
.hero {
  overflow-x: clip;
  padding: 5.5rem 0 4.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 3.5rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  color: var(--yellow-primary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  margin-bottom: 1.2rem;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  color: var(--yellow-primary);
  text-shadow: var(--shadow-yellow);
}

.hero-role-wrap {
  margin-bottom: 1.25rem;
}

.hero-role-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 1.15rem;
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  color: var(--yellow-primary);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius-full);
  box-shadow: 0 0 15px rgba(250, 204, 21, 0.15);
}

.hero-text {
  font-size: 1.15rem;
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.contact-quick-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  transition: all var(--transition);
}

.contact-pill:hover {
  border-color: var(--yellow-primary);
  color: var(--yellow-primary);
  transform: translateY(-2px);
}

.contact-pill-icon {
  color: var(--yellow-primary);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--yellow-primary);
  color: #000;
  border: 1px solid var(--yellow-primary);
  box-shadow: 0 4px 18px var(--yellow-glow);
}

.btn-primary:hover {
  background: var(--yellow-hover);
  border-color: var(--yellow-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--yellow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--yellow-primary);
  color: var(--yellow-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   PORTRAIT WITH CONTINUOUSLY MOVING CYBER YELLOW SPLASH BORDER
   ========================================================================== */
.hero-photo-wrap {
  display: flex;
  justify-content: center;
  position: relative;
}

.photo-card {
  position: relative;
  width: 100%;
  max-width: 310px;
  border-radius: var(--radius-lg);
  padding: 5px; /* Width of the animated cyber yellow splash border */
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 25px rgba(250, 204, 21, 0.35), 0 0 50px rgba(250, 204, 21, 0.15), 0 20px 40px rgba(0, 0, 0, 0.7);
  animation: photoCardGlowYellow 3.5s ease-in-out infinite alternate;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  transform-style: preserve-3d;
  cursor: pointer;
}

.photo-card:hover {
  box-shadow: 0 0 45px rgba(250, 204, 21, 0.75), 0 0 85px rgba(250, 204, 21, 0.45), 0 25px 55px rgba(0, 0, 0, 0.85);
}

/* Moving Cyber Yellow Splash Beam (Continuous 360 Rotation) */
.photo-card::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -60%;
  width: 220%;
  height: 220%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 180deg,
    rgba(250, 204, 21, 0.08) 220deg,
    rgba(250, 204, 21, 0.35) 260deg,
    rgba(234, 179, 8, 0.75) 305deg,
    #facc15 340deg,
    #fef08a 355deg,
    #ffffff 359deg,
    transparent 360deg
  );
  animation: yellowSplashBorder 2.8s linear infinite;
  z-index: 1;
}

/* Inner masking layer */
.photo-card::after {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: calc(var(--radius-lg) - 5px);
  background: var(--bg-card);
  z-index: 2;
  box-shadow: inset 0 0 16px rgba(250, 204, 21, 0.35);
  transition: background-color var(--transition);
}

.photo-inner {
  position: relative;
  z-index: 3;
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  width: 100%;
  background: var(--bg-card);
}

.photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
  filter: contrast(1.04) saturate(1.05) brightness(1.02);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
  display: block;
}

.photo-card:hover .photo-img {
  transform: scale(1.04);
  filter: contrast(1.07) saturate(1.08) brightness(1.04);
}

@keyframes yellowSplashBorder {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes photoCardGlowYellow {
  0% {
    box-shadow: 0 0 25px rgba(250, 204, 21, 0.35), 0 0 50px rgba(250, 204, 21, 0.15), 0 15px 35px rgba(0, 0, 0, 0.7);
  }
  100% {
    box-shadow: 0 0 40px rgba(250, 204, 21, 0.65), 0 0 80px rgba(250, 204, 21, 0.35), 0 20px 45px rgba(0, 0, 0, 0.8);
  }
}

/* ==========================================================================
   SLOW FLOW & FLOATING ANIMATIONS (ALL CONTENT MOVING FROM LEFT/RIGHT SLOWLY)
   Both text and boxes move gently and continuously from left or right
   ========================================================================== */

/* Continuous slow horizontal drift for general content (titles, text, subtitles, details) */
@keyframes driftContentLeft {
  0% {
    transform: translate3d(0px, 0, 0);
  }
  50% {
    transform: translate3d(-16px, 0, 0);
  }
  100% {
    transform: translate3d(0px, 0, 0);
  }
}

@keyframes driftContentRight {
  0% {
    transform: translate3d(0px, 0, 0);
  }
  50% {
    transform: translate3d(16px, 0, 0);
  }
  100% {
    transform: translate3d(0px, 0, 0);
  }
}

/* Continuous slow floating for cards/boxes (predominantly horizontal with gentle breathing) */
@keyframes floatBoxLeft {
  0% {
    transform: translate3d(0px, 0, 0);
  }
  50% {
    transform: translate3d(-10px, 0, 0);
  }
  100% {
    transform: translate3d(0px, 0, 0);
  }
}

@keyframes floatBoxRight {
  0% {
    transform: translate3d(0px, 0, 0);
  }
  50% {
    transform: translate3d(10px, 0, 0);
  }
  100% {
    transform: translate3d(0px, 0, 0);
  }
}

/* ==========================================================================
   SCROLL & LOAD ENTRANCE: SLOW GLIDE FROM SIDES OUTSIDE THE WINDOW
   ========================================================================== */
.flow-from-left,
.flow-from-right {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Off-screen starting position for elements entering from outside the screen */
.flow-from-left.will-fly-in {
  opacity: 0;
  transform: translate3d(-80px, 0, 0);
}

.flow-from-right.will-fly-in {
  opacity: 0;
  transform: translate3d(80px, 0, 0);
}

/* Arrived inside view: smoothly glides in from outside the window */
.flow-from-left.will-fly-in.is-in-view,
.flow-from-right.will-fly-in.is-in-view {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Hero Section Entrance (Immediate graceful glide on page open) */
.hero-content-col.flow-from-left {
  animation: heroEntranceLeft 1.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-photo-wrap.flow-from-right {
  animation: heroEntranceRight 1.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroEntranceLeft {
  0% {
    opacity: 0;
    transform: translate3d(-80px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes heroEntranceRight {
  0% {
    opacity: 0;
    transform: translate3d(80px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* ==========================================================================
   ACTIVE FLOW STATES: ALL CONTENT MOVES SLOWLY FROM LEFT OR RIGHT
   ========================================================================== */
/* Generic Content Flow */
.flow-from-left.is-floating,
.flow-from-left.is-flowing {
  animation: driftContentLeft 18s ease-in-out infinite;
}

.flow-from-right.is-floating,
.flow-from-right.is-flowing {
  animation: driftContentRight 20s ease-in-out infinite 0.5s;
}

/* Hero Content Continuous Slow Drift */
.hero-content-col.is-floating,
.hero-content-col.is-flowing {
  animation: driftContentLeft 18s ease-in-out infinite;
}

.hero-photo-wrap.is-floating,
.hero-photo-wrap.is-flowing {
  animation: driftContentRight 20s ease-in-out infinite 0.5s;
}

/* Section Titles & Subtitles Slow Drift */
.section-title.is-floating,
.section-title.is-flowing {
  animation: driftContentLeft 19s ease-in-out infinite;
}

.section-sub.is-floating,
.section-sub.is-flowing {
  animation: driftContentRight 21s ease-in-out infinite 0.7s;
}

/* Project Text Details Slow Drift & Distinct Entrance */
.project-content.flow-from-right,
.project-content.flow-from-left {
  transform: translate3d(0, 0, 0);
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.project-content.flow-from-right.will-fly-in {
  opacity: 0;
  transform: translate3d(60px, 0, 0);
}

.project-content.flow-from-left.will-fly-in {
  opacity: 0;
  transform: translate3d(-60px, 0, 0);
}

.project-content.flow-from-right.will-fly-in.is-in-view,
.project-content.flow-from-left.will-fly-in.is-in-view {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.project-content.flow-from-right.is-floating,
.project-content.flow-from-right.is-flowing {
  animation: driftContentRight 22s ease-in-out infinite;
}

.project-content.flow-from-left.is-floating,
.project-content.flow-from-left.is-flowing {
  animation: driftContentLeft 22s ease-in-out infinite;
}

/* Vibrant Red Accent Utilities */
.red-text {
  color: var(--red-primary) !important;
  text-shadow: 0 0 16px var(--red-glow);
}

.live-pulse-dot {
  width: 9px;
  height: 9px;
  background-color: var(--red-primary);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--red-primary);
  animation: pulseRed 2s infinite;
  margin-right: 7px;
  vertical-align: middle;
}

@keyframes pulseRed {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 51, 102, 0.7);
  }
  70% {
    transform: scale(1.15);
    box-shadow: 0 0 0 8px rgba(255, 51, 102, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(255, 51, 102, 0);
  }
}

.project-tag-red {
  color: var(--yellow-primary) !important;
  background: var(--yellow-tint) !important;
  border-color: var(--yellow-border) !important;
}

.edu-score-red {
  color: var(--yellow-primary) !important;
  background: var(--yellow-tint) !important;
  border-color: var(--yellow-border) !important;
}

.contact-icon-red {
  background: var(--yellow-tint) !important;
  border-color: var(--yellow-border) !important;
  color: var(--yellow-primary) !important;
}

/* Footer Content Slow Drift */
.footer-copy.is-floating,
.footer-copy.is-flowing {
  animation: driftContentLeft 20s ease-in-out infinite;
}

.footer-contact-col.is-floating,
.footer-contact-col.is-flowing {
  animation: driftContentRight 22s ease-in-out infinite 0.5s;
}

/* Pause flow on hover so any text or card can be read steadily */
.flow-from-left:hover,
.flow-from-right:hover,
.hero-content-col:hover,
.section-title:hover,
.section-sub:hover,
.project-content:hover,
.edu-card:hover,
.skill-card:hover,
.project-item:hover,
.contact-card:hover {
  animation-play-state: paused;
}

/* Synchronized, uninterrupted entrance for all cards (zero delays, no break in between) */
.edu-card-matric.flow-from-left,
.edu-card-inter.flow-from-right,
.edu-card-uni.flow-from-left,
.cv-showcase-card.flow-from-left,
.skills-grid .skill-card,
.contact-card-grid .contact-card {
  transition-delay: 0s;
}

/* ==========================================================================
   EDUCATION SECTION
   ========================================================================== */
.section {
  overflow-x: clip;
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.section-title .yellow-text {
  color: var(--yellow-primary);
}

.section-sub {
  color: var(--text-sub);
  margin-bottom: 2.75rem;
  font-size: 1rem;
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.75rem;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Flow gently from left/right once inside window */
.edu-card-matric.is-floating,
.edu-card-matric.is-flowing {
  animation: floatBoxLeft 23s ease-in-out infinite;
}

.edu-card-inter.is-floating,
.edu-card-inter.is-flowing {
  animation: floatBoxRight 25s ease-in-out infinite 0.8s;
}

.edu-card-uni.is-floating,
.edu-card-uni.is-flowing {
  animation: floatBoxLeft 24s ease-in-out infinite 1.4s;
}

.cv-showcase-card.is-floating,
.cv-showcase-card.is-flowing {
  animation: floatBoxLeft 26s ease-in-out infinite 0.5s;
}

.edu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--yellow-primary);
  opacity: 0.8;
}

.edu-card:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 0 30px var(--yellow-glow), 0 15px 35px rgba(0, 0, 0, 0.7);
  animation-play-state: paused;
}

.edu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.edu-level {
  font-size: 1.35rem;
  font-weight: 800;
  flex: 1 1 auto;
  min-width: 140px;
}

.edu-score {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--yellow-primary);
  background: var(--yellow-tint);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--yellow-border);
  white-space: nowrap;
  flex-shrink: 0;
}

.edu-school {
  font-size: 1.15rem;
  color: var(--text-main);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.edu-location {
  font-size: 0.95rem;
  color: var(--text-sub);
}

.edu-meta {
  font-size: 0.88rem;
  color: var(--yellow-primary);
  font-weight: 600;
  margin-top: 0.5rem;
}

.edu-card-footer {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.btn-result-sheet {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.25rem;
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  color: var(--yellow-primary);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-result-sheet:hover {
  background: var(--yellow-primary);
  color: #000;
  border-color: var(--yellow-primary);
  box-shadow: 0 4px 18px var(--yellow-glow);
  transform: translateY(-2px);
}

.btn-result-sheet .btn-icon {
  font-size: 1.1rem;
}

.btn-status-only {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.25rem;
  background: var(--yellow-tint);
  border: 1px dashed var(--yellow-border);
  color: var(--yellow-primary);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: default;
  user-select: none;
  transition: all var(--transition);
}

.btn-status-only:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 2px 12px var(--yellow-glow);
}

/* ==========================================================================
   SKILLS SECTION (HTML, CSS, JS, REACT.JS, GITHUB VERSION CONTROL, DEPLOYMENT)
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  position: relative;
  overflow: hidden;
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-card);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.skill-card:nth-child(1).is-floating,
.skill-card:nth-child(1).is-flowing {
  animation: floatBoxLeft 24s ease-in-out infinite;
}

.skill-card:nth-child(2).is-floating,
.skill-card:nth-child(2).is-flowing {
  animation: floatBoxRight 26s ease-in-out infinite 0.6s;
}

.skill-card:nth-child(3).is-floating,
.skill-card:nth-child(3).is-flowing {
  animation: floatBoxLeft 25s ease-in-out infinite 1.2s;
}

.skill-card:nth-child(4).is-floating,
.skill-card:nth-child(4).is-flowing {
  animation: floatBoxRight 27s ease-in-out infinite 0.4s;
}

.skill-card:nth-child(5).is-floating,
.skill-card:nth-child(5).is-flowing {
  animation: floatBoxLeft 25s ease-in-out infinite 0.8s;
}

.skill-card:nth-child(6).is-floating,
.skill-card:nth-child(6).is-flowing {
  animation: floatBoxRight 26s ease-in-out infinite 1.4s;
}

.skill-card:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 0 30px var(--yellow-glow), 0 12px 30px rgba(0, 0, 0, 0.6);
  animation-play-state: paused;
}

.skill-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.skill-icon-svg {
  width: 28px;
  height: 28px;
  fill: var(--yellow-primary);
  display: block;
}

.skill-details {
  flex: 1;
}

.skill-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
  color: var(--text-main);
}

.skill-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.skill-badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(250, 204, 21, 0.1);
  color: var(--yellow-primary);
  border: 1px solid var(--yellow-border);
}

/* ==========================================================================
   PROJECTS SECTION (Floating in air across all 4 directions)
   ========================================================================== */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.project-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-card);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.project-item.flow-from-left,
.project-item.flow-from-right {
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), border-color var(--transition), box-shadow var(--transition);
}

/* Flow gently from left/right for projects - slow and relaxed */
.project-item:nth-child(1).is-floating,
.project-item:nth-child(1).is-flowing {
  animation: floatBoxLeft 26s ease-in-out infinite;
}

.project-item:nth-child(2).is-floating,
.project-item:nth-child(2).is-flowing {
  animation: floatBoxRight 28s ease-in-out infinite 1.5s;
}

.project-item:nth-child(3).is-floating,
.project-item:nth-child(3).is-flowing {
  animation: floatBoxLeft 27s ease-in-out infinite 0.8s;
}

.project-item:nth-child(4).is-floating,
.project-item:nth-child(4).is-flowing {
  animation: floatBoxRight 29s ease-in-out infinite 1.2s;
}

.project-item:hover {
  border-color: var(--yellow-border);
  box-shadow: var(--shadow-yellow);
  animation-play-state: paused;
}

/* ==========================================================================
   INDIVIDUAL 3D ROTATING POLYGON SHOWCASES PER WEBSITE
   ========================================================================== */
.project-polygon-wrap {
  display: flex;
  flex-direction: column;
  background: var(--bg-slider);
  border-right: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

/* 3D Perspective Scene */
.polygon-3d-scene {
  position: relative;
  width: 100%;
  height: 370px;
  perspective: 1100px;
  perspective-origin: 50% 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(250, 204, 21, 0.07) 0%, transparent 68%), #0a0a0d;
  user-select: none;
}

[data-theme="light"] .polygon-3d-scene {
  background: radial-gradient(circle at center, rgba(202, 138, 4, 0.09) 0%, transparent 68%), #f5f5f8;
}

/* 3D Rotor Container */
.polygon-3d-rotor {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  will-change: transform;
}

/* Ambient Floor Glow beneath 3D rotor */
.polygon-floor-glow {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%) rotateX(80deg);
  width: 320px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(250, 204, 21, 0.28) 0%, rgba(250, 204, 21, 0.06) 50%, transparent 72%);
  filter: blur(10px);
  pointer-events: none;
  z-index: 1;
}

/* ==========================================================================
   OPTION 1: DEVICE MOCKUP FRAME (MacBook / Floating Display Bezel)
   Framed with camera dot, display bezel, and laptop chin notch
   ========================================================================== */
.polygon-face {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 280px;
  height: 182px;
  margin-top: -91px;
  margin-left: -140px;
  border-radius: 12px;
  padding: 8px 6px 12px 6px;
  background: linear-gradient(180deg, #1f1f27 0%, #121217 100%);
  border: 1px solid rgba(250, 204, 21, 0.45);
  box-shadow: 
    0 16px 36px rgba(0, 0, 0, 0.85),
    0 0 1px 1px rgba(255, 255, 255, 0.15) inset,
    0 0 20px rgba(250, 204, 21, 0.28);
  overflow: hidden;
  cursor: pointer;
  pointer-events: auto;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="light"] .polygon-face {
  background: linear-gradient(180deg, #334155 0%, #1e293b 100%);
  border: 1px solid rgba(217, 119, 6, 0.5);
  box-shadow: 
    0 14px 30px rgba(15, 23, 42, 0.25),
    0 0 1px 1px rgba(255, 255, 255, 0.2) inset,
    0 0 16px rgba(217, 119, 6, 0.25);
}

/* MacBook Top WebCam Pinhole Camera Dot */
.polygon-face::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #09090d;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 2px rgba(250, 204, 21, 0.4);
  z-index: 5;
}

/* MacBook Bottom Display Opening Notch / Chin Ridge */
.polygon-face::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px 2px 0 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  z-index: 5;
}

.polygon-face img,
.face-screenshot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.5);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
  filter: contrast(1.05) saturate(1.06) brightness(1.02);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease;
}

.polygon-face:hover {
  border-color: var(--yellow-primary);
  box-shadow: 
    0 20px 42px rgba(0, 0, 0, 0.95),
    0 0 25px var(--yellow-glow),
    0 0 2px 1px var(--yellow-primary);
}

.polygon-face:hover img,
.polygon-face:hover .face-screenshot-img {
  transform: scale(1.04) translateZ(0);
  filter: contrast(1.08) saturate(1.10) brightness(1.05);
}

/* Face overlay with title (Sleek cyber glass badge that leaves screenshot unobstructed) */
.face-overlay {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.32rem 0.85rem;
  background: rgba(10, 10, 13, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(250, 204, 21, 0.35);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
  max-width: 88%;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 4;
}

[data-theme="light"] .face-overlay {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(217, 119, 6, 0.4);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
}

.face-title {
  font-weight: 700;
  color: var(--yellow-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  letter-spacing: 0.02em;
}

.polygon-face:hover .face-overlay {
  border-color: var(--yellow-primary);
  background: rgba(10, 10, 13, 0.92);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.7), 0 0 10px var(--yellow-glow);
}

[data-theme="light"] .polygon-face:hover .face-overlay {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.25), 0 0 10px var(--yellow-glow);
}

/* ==========================================================================
   SCREENSHOT DIRECT AREA LINK & HOVER STYLES
   Clicking screenshot opens target website at that particular section/page
   ========================================================================== */
.face-screenshot-link {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  outline: none;
}

.face-screenshot-link:focus-visible {
  outline: 2px solid var(--yellow-primary);
  outline-offset: 2px;
}

/* Subtle corner external link indicator badge on hover */
.face-screenshot-link::after {
  content: '↗';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(10, 10, 13, 0.88);
  border: 1px solid var(--yellow-border);
  color: var(--yellow-primary);
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7) translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s ease;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 6;
}

.polygon-face:hover .face-screenshot-link::after {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.vantria-polygon .polygon-face:hover .face-screenshot-link::after {
  border-color: rgba(0, 212, 255, 0.85);
  color: #00d4ff;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.55);
}

.pfill-polygon .polygon-face:hover .face-screenshot-link::after {
  border-color: rgba(16, 185, 129, 0.85);
  color: #10b981;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.55);
}

.gj-polygon .polygon-face:hover .face-screenshot-link::after {
  border-color: rgba(250, 204, 21, 0.85);
  color: #facc15;
  box-shadow: 0 0 10px rgba(250, 204, 21, 0.55);
}

/* Fullscreen Lightbox expand button inside face title badge */
.face-expand-btn {
  background: transparent;
  border: none;
  color: var(--yellow-primary);
  font-size: 0.82rem;
  margin-left: 0.45rem;
  cursor: pointer;
  padding: 1px 4px;
  line-height: 1;
  border-radius: 4px;
  pointer-events: auto;
  opacity: 0.85;
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.face-expand-btn:hover {
  opacity: 1;
  background: rgba(250, 204, 21, 0.2);
  transform: scale(1.18);
}

/* 3-Sided Polygon (P Fill) -> 120 deg apart, radius 160px */
[data-faces="3"] .face-3d-1 {
  transform: rotateY(0deg) translateZ(160px);
}
[data-faces="3"] .face-3d-2 {
  transform: rotateY(120deg) translateZ(160px);
}
[data-faces="3"] .face-3d-3 {
  transform: rotateY(240deg) translateZ(160px);
}

/* 4-Sided Polygon -> 90 deg apart, radius 175px */
[data-faces="4"] .face-3d-1 {
  transform: rotateY(0deg) translateZ(175px);
}
[data-faces="4"] .face-3d-2 {
  transform: rotateY(90deg) translateZ(175px);
}
[data-faces="4"] .face-3d-3 {
  transform: rotateY(180deg) translateZ(175px);
}
[data-faces="4"] .face-3d-4 {
  transform: rotateY(270deg) translateZ(175px);
}

/* 6-Sided Polygon (Vantria Private Transit) -> 60 deg apart, radius 245px */
[data-faces="6"] .face-3d-1 {
  transform: rotateY(0deg) translateZ(245px);
}
[data-faces="6"] .face-3d-2 {
  transform: rotateY(60deg) translateZ(245px);
}
[data-faces="6"] .face-3d-3 {
  transform: rotateY(120deg) translateZ(245px);
}
[data-faces="6"] .face-3d-4 {
  transform: rotateY(180deg) translateZ(245px);
}
[data-faces="6"] .face-3d-5 {
  transform: rotateY(240deg) translateZ(245px);
}
[data-faces="6"] .face-3d-6 {
  transform: rotateY(300deg) translateZ(245px);
}

/* 7-Sided Polygon (GJ Practice) -> 51.43 deg apart, radius 290px */
[data-faces="7"] .face-3d-1 {
  transform: rotateY(0deg) translateZ(290px);
}
[data-faces="7"] .face-3d-2 {
  transform: rotateY(51.43deg) translateZ(290px);
}
[data-faces="7"] .face-3d-3 {
  transform: rotateY(102.86deg) translateZ(290px);
}
[data-faces="7"] .face-3d-4 {
  transform: rotateY(154.29deg) translateZ(290px);
}
[data-faces="7"] .face-3d-5 {
  transform: rotateY(205.71deg) translateZ(290px);
}
[data-faces="7"] .face-3d-6 {
  transform: rotateY(257.14deg) translateZ(290px);
}
[data-faces="7"] .face-3d-7 {
  transform: rotateY(308.57deg) translateZ(290px);
}

/* Floating Navigation Arrows */
.polygon-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(15, 15, 18, 0.88);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 15;
  transition: all var(--transition);
}

.polygon-arrow:hover {
  background: var(--yellow-primary);
  color: #000;
  border-color: var(--yellow-primary);
  transform: translateY(-50%) scale(1.1);
}

.polygon-arrow.arrow-left {
  left: 12px;
}

.polygon-arrow.arrow-right {
  right: 12px;
}

/* Caption bar */
.polygon-caption-bar {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--yellow-primary);
  background: rgba(15, 15, 18, 0.85);
  border-top: 1px solid var(--border-color);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 10;
}

[data-theme="light"] .polygon-caption-bar {
  background: rgba(240, 240, 245, 0.9);
}

/* Thumbnails Strip */
.polygon-thumbs-strip {
  display: flex;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--bg-main);
  border-top: 1px solid var(--border-color);
  overflow-x: auto;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.polygon-thumb-item {
  flex: 0 0 76px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  transition: all var(--transition);
  opacity: 0.85;
}

.polygon-thumb-item:hover {
  opacity: 1;
  border-color: var(--yellow-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
}

.polygon-thumb-item.active {
  opacity: 1;
  border-color: var(--yellow-primary);
  box-shadow: 0 0 14px var(--yellow-glow);
  transform: translateY(-2px);
}

.polygon-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 4px;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
  filter: contrast(1.05) saturate(1.05);
  transition: filter var(--transition);
}

.polygon-thumb-item:hover img,
.polygon-thumb-item.active img {
  filter: contrast(1.08) saturate(1.10) brightness(1.03);
}

/* ==========================================================================
   PROJECT 1: VANTRIA LIVE INTERACTIVE SANDBOX (IFRAME)
   ========================================================================== */
.project-iframe-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 520px;
  background: #090a0e;
  border-right: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.sandbox-browser-bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.95rem;
  background: rgba(14, 16, 23, 0.96);
  border-bottom: 1px solid rgba(250, 204, 21, 0.12);
  flex-shrink: 0;
  flex-wrap: nowrap;
}

.sandbox-window-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.sandbox-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  opacity: 0.85;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #eab308; }
.dot-green { background: #22c55e; }

.sandbox-nav-btns {
  display: flex;
  align-items: center;
  gap: 3px;
  flex-shrink: 0;
}

.sandbox-nav-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-sub);
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.sandbox-nav-btn:hover {
  background: var(--yellow-tint);
  border-color: var(--yellow-border);
  color: var(--yellow-primary);
}

.sandbox-address-box {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(250, 204, 21, 0.18);
  border-radius: var(--radius-sm);
  padding: 0.28rem 0.65rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.74rem;
  color: var(--text-sub);
  overflow: hidden;
}

.sandbox-lock-icon {
  font-size: 0.75rem;
  flex-shrink: 0;
}

.sandbox-url-text {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #e2e8f0;
}

[data-theme="light"] .sandbox-url-text {
  color: #1e293b;
}

.sandbox-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  color: #22c55e;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.pulse-live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e;
  animation: pulseGreen 1.8s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 10px #22c55e; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.sandbox-actions {
  flex-shrink: 0;
}

.sandbox-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  color: var(--yellow-primary);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 700;
  transition: all var(--transition);
}

.sandbox-action-btn:hover {
  background: var(--yellow-primary);
  color: #000;
  box-shadow: 0 0 10px var(--yellow-glow);
}

.sandbox-quick-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: rgba(11, 12, 17, 0.9);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}

.sandbox-quick-bar::-webkit-scrollbar {
  display: none;
}

.sandbox-quick-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--text-sub);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}

.sandbox-quick-btn:hover {
  background: var(--yellow-tint);
  border-color: var(--yellow-border);
  color: var(--yellow-primary);
}

.sandbox-quick-btn.active {
  background: var(--yellow-primary);
  border-color: var(--yellow-primary);
  color: #000;
  font-weight: 700;
  box-shadow: 0 0 10px var(--yellow-glow);
}

.sandbox-iframe-container {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  min-height: 380px;
  background: #000;
  overflow: hidden;
}

.sandbox-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: none;
  display: none;
  background: #000;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.sandbox-iframe.active {
  display: block;
  opacity: 1;
  z-index: 2;
}

/* High-Tech Glassmorphic Cyber Loader */
.sandbox-loader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(16, 18, 26, 0.96) 0%, rgba(8, 9, 13, 0.99) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  z-index: 10;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s ease, transform 0.4s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.sandbox-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(1.02);
}

.loader-visual {
  position: relative;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-orbit-outer {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px dashed rgba(250, 204, 21, 0.35);
  animation: rotateCW 6s linear infinite;
}

.loader-orbit-inner {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2.5px solid transparent;
  border-top-color: var(--yellow-primary);
  border-bottom-color: var(--yellow-primary);
  animation: rotateCCW 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  box-shadow: 0 0 16px var(--yellow-glow);
}

.loader-core {
  position: relative;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.core-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--yellow-primary);
  box-shadow: 0 0 18px var(--yellow-primary), 0 0 8px #fff;
  animation: pulseCore 1.6s ease-in-out infinite;
}

@keyframes rotateCW {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotateCCW {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

@keyframes pulseCore {
  0%, 100% { transform: scale(0.85); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 1; box-shadow: 0 0 22px var(--yellow-primary), 0 0 10px #fff; }
}

.loader-text-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
}

.loader-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--yellow-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-shadow: 0 0 10px var(--yellow-glow);
}

.loader-subtitle {
  font-size: 0.74rem;
  color: var(--text-sub);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.sandbox-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 0.95rem;
  background: rgba(11, 12, 17, 0.94);
  border-top: 1px solid var(--border-color);
  font-size: 0.73rem;
  color: var(--text-sub);
  flex-shrink: 0;
}

.sandbox-hint-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sandbox-reset-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--yellow-primary);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.18rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}

.sandbox-reset-btn:hover {
  background: var(--yellow-tint);
  border-color: var(--yellow-border);
}

/* ==========================================================================
   PROJECT 2: PFILL STYLIZED GLASSMORPHIC SHOWCASE & AI PIPELINE
   ========================================================================== */
.project-glass-wrap {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  min-height: 520px;
  background: radial-gradient(circle at 10% 15%, rgba(250, 204, 21, 0.06) 0%, transparent 60%),
              radial-gradient(circle at 90% 85%, rgba(34, 197, 94, 0.05) 0%, transparent 60%),
              #0d0e14;
  background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 26px 26px;
  border-right: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  padding: 1.4rem;
}

[data-theme="light"] .project-glass-wrap {
  background: radial-gradient(circle at 10% 15%, rgba(202, 138, 4, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 90% 85%, rgba(22, 163, 74, 0.06) 0%, transparent 60%),
              #f8fafc;
  background-image: linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 26px 26px;
}

.pfill-glass-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}

.pfill-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--yellow-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pfill-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow-primary);
  box-shadow: 0 0 10px var(--yellow-primary);
  animation: pulseGold 2s infinite;
}

@keyframes pulseGold {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 14px var(--yellow-primary); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.pfill-version-tabs {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(250, 204, 21, 0.18);
  border-radius: 999px;
  padding: 0.2rem;
  gap: 0.2rem;
}

[data-theme="light"] .pfill-version-tabs {
  background: rgba(241, 245, 249, 0.9);
  border-color: rgba(202, 138, 4, 0.25);
}

.pfill-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pfill-tab-btn:hover {
  color: var(--yellow-primary);
}

.pfill-tab-btn.active {
  background: var(--yellow-primary);
  color: #000;
  box-shadow: 0 0 12px var(--yellow-glow);
}

/* Diagram Flow Container */
.pfill-diagram-container {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 1.15rem;
}

.pfill-diagram-flow {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.pfill-step-card {
  background: rgba(20, 22, 32, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(250, 204, 21, 0.14);
  border-radius: var(--radius-md);
  padding: 0.75rem 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .pfill-step-card {
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.pfill-step-card:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 0 20px rgba(250, 204, 21, 0.14);
  transform: translateX(3px);
}

.pfill-step-num {
  font-size: 0.68rem;
  font-weight: 900;
  color: var(--yellow-primary);
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  padding: 0.12rem 0.38rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 2px;
}

.pfill-step-icon {
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 1px;
}

.pfill-step-content {
  flex: 1 1 auto;
  min-width: 0;
}

.pfill-step-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.15rem;
}

.pfill-step-desc {
  font-size: 0.76rem;
  color: var(--text-sub);
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.pfill-tags-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.glass-tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-sub);
}

.glass-tag.tag-gold {
  background: var(--yellow-tint);
  border-color: var(--yellow-border);
  color: var(--yellow-primary);
}

.glass-tag.tag-green {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.3);
  color: #22c55e;
}

/* AI Engine Center Card */
.pfill-step-card.step-ai-core {
  background: rgba(28, 26, 20, 0.75);
  border: 1px solid rgba(250, 204, 21, 0.35);
  box-shadow: 0 0 16px rgba(250, 204, 21, 0.08);
}

[data-theme="light"] .pfill-step-card.step-ai-core {
  background: rgba(254, 240, 138, 0.25);
}

.pfill-ai-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--yellow-primary);
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  margin-bottom: 0.2rem;
  text-transform: uppercase;
}

.pfill-extracted-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem;
  margin-top: 0.35rem;
}

.extracted-chip {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(250, 204, 21, 0.12);
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.67rem;
  color: var(--text-sub);
  line-height: 1.2;
}

[data-theme="light"] .extracted-chip {
  background: rgba(255, 255, 255, 0.75);
}

.chip-label {
  color: var(--yellow-primary);
  font-weight: 800;
  display: block;
  font-size: 0.64rem;
}

/* Connector Line */
.pfill-flow-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 12px;
  position: relative;
  margin: -1px 0;
}

.connector-arrow {
  color: var(--yellow-primary);
  font-size: 0.75rem;
  transform: rotate(90deg);
  text-shadow: 0 0 8px var(--yellow-glow);
  opacity: 0.85;
}

/* Metrics Strip */
.pfill-metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.pfill-metric-card {
  background: rgba(18, 20, 28, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.55rem;
  text-align: center;
  transition: all var(--transition);
}

[data-theme="light"] .pfill-metric-card {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.08);
}

.pfill-metric-card:hover {
  border-color: var(--yellow-border);
  box-shadow: 0 0 10px rgba(250, 204, 21, 0.1);
}

.metric-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 0.15rem;
}

.metric-icon {
  font-size: 0.75rem;
}

.metric-val {
  font-size: 0.78rem;
  font-weight: 900;
  color: var(--yellow-primary);
}

.metric-lbl {
  font-size: 0.64rem;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Glass Footer */
.pfill-glass-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.74rem;
  color: var(--text-sub);
  flex-wrap: wrap;
}

.pfill-footer-info {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.72rem;
}

.info-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--yellow-primary);
  flex-shrink: 0;
}

.pfill-direct-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--yellow-primary);
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition);
  flex-shrink: 0;
}

.pfill-direct-link:hover {
  background: var(--yellow-primary);
  color: #000;
  box-shadow: 0 0 12px var(--yellow-glow);
}

/* Project Content Column */
.project-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-tag {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--yellow-primary);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.project-title {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 1.35rem;
  color: var(--text-muted);
}

.project-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.75rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.project-details-list li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.project-details-list li::before {
  content: '▸';
  color: var(--yellow-primary);
  font-weight: bold;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #000;
  background: var(--yellow-primary);
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-sm);
  margin-top: auto;
  align-self: flex-start;
  transition: all var(--transition);
}

.project-link-btn:hover {
  background: var(--yellow-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 18px var(--yellow-glow);
}

/* ==========================================================================
   FULLSCREEN IMAGE LIGHTBOX MODAL
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(8, 8, 10, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  color: #fff;
  font-size: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 100;
}

.lightbox-close-btn:hover {
  background: var(--yellow-primary);
  color: #000;
  border-color: var(--yellow-primary);
  transform: rotate(90deg);
}

.lightbox-img-wrapper {
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 40px var(--yellow-glow);
  transform: scale(0.95);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
}

.lightbox-modal.active .lightbox-img {
  transform: scale(1);
}

.lightbox-caption {
  margin-top: 1.25rem;
  color: var(--yellow-primary);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  background: rgba(10, 10, 13, 0.8);
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 100;
}

.lightbox-nav-btn:hover {
  background: var(--yellow-primary);
  color: #000;
  border-color: var(--yellow-primary);
}

.lightbox-prev {
  left: 2rem;
}

.lightbox-next {
  right: 2rem;
}

/* ==========================================================================
   RESULT SHEET MODAL
   ========================================================================== */
.result-modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 12, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.result-modal.active {
  opacity: 1;
  visibility: visible;
}

.result-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--yellow-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 880px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px var(--yellow-glow);
  transform: scale(0.95);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.result-modal.active .result-modal-box {
  transform: scale(1);
}

.result-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(15, 15, 20, 0.9);
  border-bottom: 1px solid var(--border-color);
  gap: 1rem;
}

.result-modal-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--yellow-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-modal-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-modal-download {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.result-modal-close {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.6rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

.result-modal-close:hover {
  background: var(--yellow-primary);
  color: #000;
  border-color: var(--yellow-primary);
}

.result-modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #08080b;
}

.result-modal-img {
  max-width: 100%;
  height: auto;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
}

/* ==========================================================================
   CURRICULUM VITAE (CV) SECTION
   ========================================================================== */
.cv-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.cv-showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
  max-width: 840px;
  margin: 0 auto;
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
}

.cv-showcase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--yellow-primary);
  opacity: 0.8;
  z-index: 5;
}

.cv-showcase-card:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 0 35px var(--yellow-glow), 0 15px 40px rgba(0, 0, 0, 0.7);
}

.cv-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  background: rgba(10, 10, 14, 0.85);
  border-bottom: 1px solid var(--border-color);
  gap: 1.25rem;
  flex-wrap: wrap;
}

[data-theme="light"] .cv-topbar {
  background: rgba(248, 250, 252, 0.9);
}

.cv-topbar-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cv-badge-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  color: #10b981;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.cv-doc-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.cv-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cv-topbar-actions .btn {
  padding: 0.6rem 1.15rem;
  font-size: 0.88rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.cv-document-frame {
  position: relative;
  width: 100%;
  background: #08080b;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.5rem;
  overflow: hidden;
}

[data-theme="light"] .cv-document-frame {
  background: #f1f5f9;
}

.cv-embedded-img {
  width: 100%;
  max-width: 720px;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(250, 204, 21, 0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
  display: block;
}

.cv-embedded-img:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 12px 36px var(--yellow-glow), 0 10px 30px rgba(0, 0, 0, 0.9);
}

/* Contact Section */
.contact-section {
  padding: 5rem 0 3.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.contact-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-card);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.contact-card:nth-child(1).is-floating,
.contact-card:nth-child(1).is-flowing {
  animation: floatBoxLeft 22s ease-in-out infinite;
}

.contact-card:nth-child(2).is-floating,
.contact-card:nth-child(2).is-flowing {
  animation: floatBoxRight 24s ease-in-out infinite 0.5s;
}

.contact-card:nth-child(3).is-floating,
.contact-card:nth-child(3).is-flowing {
  animation: floatBoxLeft 23s ease-in-out infinite 1s;
}

.contact-card:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 0 25px var(--yellow-glow), var(--shadow-yellow);
  animation-play-state: paused;
}

.contact-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--yellow-tint);
  border: 1px solid var(--yellow-border);
  color: var(--yellow-primary);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-title {
  font-size: 0.85rem;
  color: var(--text-sub);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.contact-card-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.contact-card-val:hover {
  color: var(--yellow-primary);
}

/* ==========================================================================
   FOOTER (Phone and Email in Vertical Column with Icons, No Website Links)
   ========================================================================== */
.footer {
  padding-top: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.92rem;
  color: var(--text-sub);
}

.footer-copy {
  color: var(--text-muted);
}

.footer-contact-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

.footer-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  transition: color var(--transition);
}

.footer-contact-item:hover {
  color: var(--yellow-primary);
}

.footer-contact-icon {
  color: var(--yellow-primary);
}

/* ==========================================================================
   RESPONSIVE DESIGN SYSTEM (MOBILE, TABLET & DESKTOP)
   ========================================================================== */

/* 1. Large Tablets & Small Laptops (max-width: 960px) */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.75rem;
  }
  
  .hero-content-col {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .contact-quick-bar,
  .hero-actions {
    justify-content: center;
  }
  
  .project-item {
    grid-template-columns: 1fr;
  }
  
  .project-polygon-wrap,
  .project-iframe-wrap,
  .project-glass-wrap {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .footer {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  
  .footer-contact-col {
    align-items: center;
  }
  
  .lightbox-prev {
    left: 1rem;
  }
  
  .lightbox-next {
    right: 1rem;
  }
  
  .hero-metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .chip-top-left {
    left: 0;
    top: -14px;
  }
  
  .chip-bottom-right {
    right: 0;
    bottom: -14px;
  }
  
  .chip-bottom-left {
    display: none;
  }
}

/* 2. Tablets & Mobile Landscape (max-width: 768px) */
@media (max-width: 768px) {
  .header {
    position: sticky !important;
    top: 0 !important;
    z-index: 10000 !important;
    padding: 0.75rem 0 !important;
    background: #0a0a0d !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 1px solid #232530 !important;
  }

  [data-theme="light"] .header {
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 1px solid #e2e8f0 !important;
  }

  .nav-wrap {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    position: relative !important;
  }

  .logo {
    display: flex !important;
    align-items: center !important;
    font-size: 1.15rem !important;
    gap: 0.55rem !important;
    flex-shrink: 0 !important;
    max-width: calc(100% - 96px) !important;
  }

  .logo-avatar {
    width: 32px !important;
    height: 32px !important;
    flex-shrink: 0 !important;
  }

  .logo-name {
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    margin-left: auto !important;
    flex-shrink: 0 !important;
  }

  .theme-btn {
    width: 38px !important;
    height: 38px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.15rem !important;
    border-radius: var(--radius-sm) !important;
    flex-shrink: 0 !important;
  }

  .theme-btn .theme-label {
    display: none !important;
  }

  .mobile-menu-btn {
    display: flex !important;
    width: 38px !important;
    height: 38px !important;
    flex-shrink: 0 !important;
  }

  .header .main-nav {
    position: static !important;
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: visible !important;
  }

  [data-theme="light"] .header {
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 1px solid #e2e8f0 !important;
  }

  .nav-links {
    position: fixed !important;
    top: 56px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    box-sizing: border-box !important;
    background-color: #0d0e14 !important;
    background: #0d0e14 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 2px solid #facc15 !important;
    border-top: 1px solid #232530 !important;
    border-left: none !important;
    border-right: none !important;
    border-radius: 0 0 16px 16px !important;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.99), 0 10px 30px rgba(0, 0, 0, 0.95) !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 1.25rem 1.5rem 1.75rem 1.5rem !important;
    gap: 0.85rem !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transform: translateY(-8px) !important;
    transition: opacity 0.2s ease, transform 0.2s ease !important;
    z-index: 10000 !important;
  }
  
  [data-theme="light"] .nav-links {
    background-color: #ffffff !important;
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: 2px solid #d97706 !important;
    border-top: 1px solid #e2e8f0 !important;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25) !important;
  }
  
  .nav-links.is-open {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
  }
  
  .nav-links a {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding: 1rem 1.25rem !important;
    font-size: 1.15rem !important;
    font-weight: 800 !important;
    border-radius: 12px !important;
    color: #0a0a0d !important;
    background-color: #facc15 !important;
    background: #facc15 !important;
    border: 1px solid #eab308 !important;
    box-shadow: 0 4px 14px rgba(250, 204, 21, 0.32) !important;
    cursor: pointer !important;
    pointer-events: auto !important;
    -webkit-tap-highlight-color: transparent !important;
    min-height: 52px !important;
    transition: all 0.2s ease !important;
  }
  
  [data-theme="light"] .nav-links a {
    background-color: #facc15 !important;
    background: #facc15 !important;
    border: 1px solid #eab308 !important;
    color: #0a0a0d !important;
    box-shadow: 0 4px 14px rgba(250, 204, 21, 0.32) !important;
  }
  
  .nav-links a:hover,
  .nav-links a:active,
  .nav-links a:focus {
    background-color: #fde047 !important;
    background: #fde047 !important;
    border-color: #facc15 !important;
    color: #000000 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 6px 18px rgba(250, 204, 21, 0.45) !important;
  }
  
  [data-theme="light"] .nav-links a:hover,
  [data-theme="light"] .nav-links a:active,
  [data-theme="light"] .nav-links a:focus {
    background-color: #fde047 !important;
    background: #fde047 !important;
    border-color: #facc15 !important;
    color: #000000 !important;
    transform: translateY(-1px) !important;
  }
  
  .section {
  overflow-x: clip;
    padding: 3.75rem 0;
    scroll-margin-top: 85px !important;
  }
  
  /* Hide contact quick bar and hero metric cards on all mobile viewports */
  .contact-quick-bar,
  .hero-metrics-grid {
    display: none !important;
  }
  
  /* Reduced horizontal amplitude so elements never cause horizontal scroll on touch devices */
  @keyframes driftContentLeft {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(-4px, 0, 0); }
  }
  
  @keyframes driftContentRight {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(4px, 0, 0); }
  }
  
  @keyframes floatBoxLeft {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(-3px, 0, 0); }
  }
  
  @keyframes floatBoxRight {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(3px, 0, 0); }
  }
}

/* 3. Mobile Phones (max-width: 600px) */
@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero {
  overflow-x: clip;
    padding: 3rem 0 2.25rem 0;
  }
  
  h1 {
    font-size: 2.15rem;
    line-height: 1.22;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-sub {
    font-size: 0.92rem;
    margin-bottom: 2rem;
  }
  
  .hero-role-tag {
    font-size: 0.95rem;
    padding: 0.35rem 0.95rem;
  }
  
  .hero-text {
    font-size: 1.02rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
  }
  
  /* Contact Quick Bar - Hidden on mobile viewports to prevent showing contact twice */
  .contact-quick-bar {
    display: none !important;
  }
  
  .contact-pill {
    font-size: 0.84rem;
    padding: 0.4rem 0.8rem;
  }
  
  /* Hero 3D Metrics Grid - Hidden on mobile */
  .hero-metrics-grid {
    display: none !important;
  }
  
  .hero-metric-card {
    padding: 0.85rem 0.65rem;
  }
  
  .metric-num {
    font-size: 1.5rem;
  }
  
  .metric-label {
    font-size: 0.72rem;
  }
  
  /* Hero Photo & Chips */
  .hero-photo-wrap .photo-card {
    max-width: 260px;
  }
  
  .hero-3d-chip {
    padding: 0.4rem 0.65rem;
    gap: 0.45rem;
  }
  
  .chip-icon {
    font-size: 1.15rem;
  }
  
  .chip-val {
    font-size: 0.82rem;
  }
  
  .chip-label {
    font-size: 0.62rem;
  }
  
  .chip-top-left {
    left: 2px;
    top: -12px;
  }
  
  .chip-bottom-right {
    right: 2px;
    bottom: -12px;
  }
  
  .chip-bottom-left {
    display: none;
  }
  
  /* Education Grid */
  .edu-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .edu-card {
    padding: 1.35rem 1.15rem;
  }
  
  .edu-level {
    font-size: 1.22rem;
  }
  
  .edu-score {
    font-size: 1.2rem;
    padding: 0.28rem 0.65rem;
  }
  
  .edu-school {
    font-size: 1.05rem;
  }
  
  /* Skills Grid */
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .skill-card {
    padding: 1.35rem 1.15rem;
  }
  
  .skill-title {
    font-size: 1.2rem;
  }
  
  .skill-desc {
    font-size: 0.9rem;
  }
  
  /* Sandboxes on Mobile */
  .project-iframe-wrap {
    min-height: 420px;
  }
  
  .sandbox-iframe-container {
    min-height: 320px;
  }
  
  .sandbox-browser-bar {
    padding: 0.45rem 0.65rem;
    gap: 0.45rem;
    flex-wrap: wrap;
  }
  
  .sandbox-window-controls {
    gap: 4px;
  }
  
  .sandbox-dot {
    width: 8px;
    height: 8px;
  }
  
  .sandbox-nav-btn {
    width: 22px;
    height: 22px;
    font-size: 0.75rem;
  }
  
  .sandbox-address-box {
    order: 3;
    width: 100%;
    padding: 0.22rem 0.5rem;
    font-size: 0.68rem;
    gap: 0.35rem;
  }
  
  .sandbox-url-text {
    font-size: 0.66rem;
    min-width: 0;
  }
  
  .sandbox-status-pill {
    font-size: 0.6rem;
    padding: 0.08rem 0.35rem;
  }
  
  .sandbox-action-btn {
    width: 22px;
    height: 22px;
    font-size: 0.75rem;
    margin-left: auto;
  }
  
  .sandbox-footer-bar {
    padding: 0.35rem 0.65rem;
    font-size: 0.68rem;
  }
  
  .sandbox-hint-text {
    font-size: 0.65rem;
    min-width: 0;
  }
  
  .sandbox-reset-btn {
    font-size: 0.65rem;
    padding: 0.15rem 0.45rem;
  }
  
  .project-content {
    padding: 1.5rem 1.15rem;
  }
  
  .project-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
  }
  
  .project-title {
    font-size: 1.35rem;
  }
  
  .project-desc {
    font-size: 0.92rem;
  }
  
  .project-details-list li {
    font-size: 0.88rem;
    line-height: 1.55;
  }
  
  .project-link-btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Contact Cards on Mobile */
  .contact-card-grid {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }
  
  .contact-card {
    padding: 1.35rem 1.15rem;
    gap: 1rem;
  }
  
  .contact-card-icon {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
  
  .contact-card-val {
    font-size: 0.95rem;
    word-break: break-all;
    overflow-wrap: anywhere;
  }
  
  /* Modals on Mobile */
  .result-modal-box {
    width: 96%;
    max-height: 92vh;
    margin: 0.5rem;
    border-radius: var(--radius-md);
  }
  
  .result-modal-header {
    padding: 0.85rem 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .result-modal-title {
    font-size: 1rem;
  }
  
  .result-modal-actions .modal-btn-download {
    font-size: 0.75rem;
    padding: 0.35rem 0.65rem;
  }
  
  .modal-btn-close {
    width: 30px;
    height: 30px;
    font-size: 1.1rem;
  }
  
  .result-modal-body {
    padding: 0.75rem;
  }

  /* CV Section Mobile */
  .cv-topbar {
    padding: 1.25rem 1rem;
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cv-topbar-actions {
    width: 100%;
  }
  
  .cv-topbar-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .cv-document-frame {
    padding: 1rem 0.5rem;
  }

  .polygon-stage-grid {
    width: 290px;
    height: 170px;
  }
  .polygon-stage-rings {
    width: 250px;
    height: 140px;
  }
}

/* 4. Small Mobile Phones (max-width: 420px) */
@media (max-width: 420px) {
  .container {
    padding: 0 0.85rem;
  }
  
  h1 {
    font-size: 1.85rem;
  }
  
  .hero-actions {
    width: 100%;
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-outline {
    width: 100%;
  }
  
  .contact-pill {
    width: 100%;
    justify-content: center;
    font-size: 0.8rem;
  }
  
  .hero-metrics-grid {
    display: none !important;
  }
  
  .metric-num {
    font-size: 1.35rem;
  }
  
  .metric-label {
    font-size: 0.68rem;
  }
  
  .hero-photo-wrap .photo-card {
    max-width: 230px;
  }
  
  .edu-card {
    padding: 1.15rem 0.85rem;
  }
  
  .skill-card {
    padding: 1.15rem 0.85rem;
  }
  
  .project-content {
    padding: 1.25rem 0.85rem;
  }
  
  .contact-card {
    padding: 1.15rem 0.85rem;
  }
}

/* ==========================================================================
   ADVANCED 3D ANIMATIONS, INTERACTIVE CANVASES & VISUAL ENHANCEMENTS
   ========================================================================== */

/* 1. Interactive 3D Background Canvas */
.bg-3d-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
  transition: opacity 0.5s ease;
}

[data-theme="light"] .bg-3d-canvas {
  opacity: 0.55;
}

/* Ensure content sits cleanly above the 3D canvas */
.hero,
.section,
.footer {
  position: relative;
  z-index: 1;
}

/* Fullscreen Modals: Strictly Fixed Viewport Layer (Never inline in document flow) */
.lightbox-modal,
.result-modal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 999999 !important;
}

.lightbox-modal:not(.active),
.result-modal:not(.active) {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.lightbox-modal.active,
.result-modal.active {
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* 4. 3D Floating Tech Badges around Hero Portrait */
.hero-photo-wrap {
  position: relative;
  perspective: 1200px;
  transform-style: preserve-3d;
}

.hero-3d-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.95rem;
  background: rgba(18, 18, 23, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(250, 204, 21, 0.4);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7), 0 0 16px rgba(250, 204, 21, 0.22);
  z-index: 10;
  pointer-events: auto;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="light"] .hero-3d-chip {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(217, 119, 6, 0.45);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.12), 0 0 14px rgba(217, 119, 6, 0.2);
}

.chip-top-left {
  top: -12px;
  left: -22px;
  animation: floatChip1 6s ease-in-out infinite alternate;
}

.chip-bottom-right {
  bottom: 12px;
  right: -24px;
  animation: floatChip2 6.5s ease-in-out infinite alternate 0.5s;
}

.chip-bottom-left {
  bottom: -18px;
  left: -16px;
  animation: floatChip3 7s ease-in-out infinite alternate 1s;
}

@keyframes floatChip1 {
  0% { transform: translate3d(0, 0, 30px) rotate(0deg); }
  100% { transform: translate3d(-6px, -10px, 45px) rotate(-1.5deg); }
}

@keyframes floatChip2 {
  0% { transform: translate3d(0, 0, 35px) rotate(0deg); }
  100% { transform: translate3d(8px, 10px, 50px) rotate(2deg); }
}

@keyframes floatChip3 {
  0% { transform: translate3d(0, 0, 25px) rotate(0deg); }
  100% { transform: translate3d(-5px, 8px, 40px) rotate(-1deg); }
}

.hero-3d-chip:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.85), 0 0 25px var(--yellow-glow);
  transform: scale(1.08) translateZ(55px) !important;
}

.chip-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.chip-info {
  display: flex;
  flex-direction: column;
}

.chip-val {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--yellow-primary);
  line-height: 1.2;
}

.chip-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

/* Portrait Status Badge */
.photo-status-badge {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  background: rgba(10, 10, 14, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(250, 204, 21, 0.4);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.6);
  z-index: 5;
}

.photo-status-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulseGreen 1.8s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.15); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* 5. Hero 3D Metrics Dashboard */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  margin-bottom: 2rem;
  perspective: 1000px;
}

.hero-metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.9rem 0.8rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: default;
}

.hero-metric-card:hover {
  border-color: var(--yellow-primary);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 20px var(--yellow-glow);
}

.metric-num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.55rem;
  color: var(--yellow-primary);
  line-height: 1.2;
  margin-bottom: 0.2rem;
}

.metric-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 600;
  line-height: 1.3;
}

/* 6. Education Verified Badge */
.edu-badge-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  color: #10b981;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.verified-icon {
  font-weight: 900;
  font-size: 0.85rem;
}

/* 7. Skills 3D Proficiency Bars */
.skill-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.skill-bar-wrap {
  margin-top: 1rem;
}

.skill-bar-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.skill-pct {
  color: var(--yellow-primary);
  font-family: var(--font-heading);
}

.skill-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

[data-theme="light"] .skill-progress-bar {
  background: rgba(0, 0, 0, 0.08);
}

.skill-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #facc15 0%, #f59e0b 60%, #ff3366 100%);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(250, 204, 21, 0.5);
  transition: width 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-card.is-in-view .skill-progress-fill,
.skill-card.is-flowing .skill-progress-fill {
  width: var(--level, 90%);
}

/* 8. 3D Holographic Stage Floor & Interactive Rings */
.polygon-stage-grid {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) rotateX(76deg);
  width: 440px;
  height: 240px;
  background-image: 
    linear-gradient(rgba(250, 204, 21, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(250, 204, 21, 0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  border-radius: 50%;
  mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 1) 20%, transparent 72%);
  pointer-events: none;
  z-index: 1;
}

.polygon-stage-rings {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%) rotateX(76deg);
  width: 360px;
  height: 200px;
  border-radius: 50%;
  border: 1.5px dashed rgba(250, 204, 21, 0.45);
  box-shadow: 0 0 25px rgba(250, 204, 21, 0.3), inset 0 0 20px rgba(250, 204, 21, 0.2);
  pointer-events: none;
  z-index: 1;
  animation: rotateStageRing 24s linear infinite;
}

@keyframes rotateStageRing {
  0% { transform: translateX(-50%) rotateX(76deg) rotate(0deg); }
  100% { transform: translateX(-50%) rotateX(76deg) rotate(360deg); }
}

.polygon-3d-hint-pill {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.85rem;
  background: rgba(10, 10, 14, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(250, 204, 21, 0.35);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--yellow-primary);
  letter-spacing: 0.03em;
  z-index: 15;
  pointer-events: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  transition: opacity 0.3s ease;
}

.hint-pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--yellow-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--yellow-primary);
  animation: pulseDotYellow 1.6s infinite;
}

@keyframes pulseDotYellow {
  0% { transform: scale(0.8); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.8); opacity: 0.6; }
}

/* 9. Dynamic 3D Tilt & Specular Glare System */
[data-tilt] {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.glare-overlay {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  background: radial-gradient(
    circle at var(--glare-x, 50%) var(--glare-y, 50%),
    rgba(255, 255, 255, 0.18) 0%,
    rgba(255, 255, 255, 0.04) 40%,
    transparent 70%
  );
  transition: opacity 0.3s ease;
  mix-blend-mode: overlay;
}

[data-tilt]:hover .glare-overlay {
  opacity: 1;
}

/* Internal 3D Depth Pop for Card Children */
[data-tilt] .skill-icon-box,
[data-tilt] .edu-score,
[data-tilt] .contact-card-icon,
[data-tilt] .btn-result-sheet,
[data-tilt] .project-link-btn,
[data-tilt] .edu-badge-verified {
  transform: translateZ(24px);
  transform-style: preserve-3d;
  transition: transform 0.25s ease;
}

/* 10. Additional Responsive Breakpoints for 3D Elements */
@media (max-width: 960px) {
  .hero-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .chip-top-left {
    left: 0;
    top: -16px;
  }
  .chip-bottom-right {
    right: 0;
    bottom: -16px;
  }
  .chip-bottom-left {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero-metrics-grid {
    display: none !important;
  }
  .hero-3d-chip {
    padding: 0.45rem 0.75rem;
    font-size: 0.85rem;
  }
  .chip-val {
    font-size: 0.85rem;
  }
  .chip-label {
    font-size: 0.65rem;
  }
}


/* Mobile & Touch Viewport Safety Overrides */
@media (max-width: 768px) {
  .flow-from-left.will-fly-in {
    transform: translate3d(-16px, 0, 0);
  }
  .flow-from-right.will-fly-in {
    transform: translate3d(16px, 0, 0);
  }
  .project-content.flow-from-left.will-fly-in,
  .project-content.flow-from-right.will-fly-in {
    transform: translate3d(0, 16px, 0);
  }
  .chip-top-left {
    left: 8px;
    top: -12px;
  }
  .chip-bottom-right {
    right: 8px;
    bottom: -12px;
  }
  @keyframes floatChip1 {
    0% { transform: translate3d(0, 0, 15px); }
    100% { transform: translate3d(0, -6px, 20px); }
  }
  @keyframes floatChip2 {
    0% { transform: translate3d(0, 0, 15px); }
    100% { transform: translate3d(0, 6px, 20px); }
  }
}

/* WeatherNow Sandbox Mobile Responsive Sizing */
.weather-sandbox .sandbox-iframe-container {
  min-height: 520px;
}

@media (max-width: 600px) {
  .weather-sandbox {
    min-height: 540px;
  }
  .weather-sandbox .sandbox-iframe-container {
    min-height: 480px;
  }
}

@media (max-width: 380px) {
  .weather-sandbox {
    min-height: 510px;
  }
  .weather-sandbox .sandbox-iframe-container {
    min-height: 460px;
  }
}


/* Ensure sections align cleanly below sticky header on mobile navigation */
#education,
#skills,
#projects,
#contact {
  scroll-margin-top: 75px !important;
}