/* ========================================================================
   DESIGN SYSTEM — aguo890.github.io
   Dark-first, glassmorphism, responsive. Zero dependencies.
   ======================================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ========================================================================
   1. CUSTOM PROPERTIES (Design Tokens)
   ======================================================================== */
:root {
  /* Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);

  /* Accent */
  --accent: #6c63ff;
  --accent-light: #8b83ff;
  --accent-glow: rgba(108, 99, 255, 0.25);
  --accent-gradient: linear-gradient(135deg, #6c63ff, #a78bfa);

  /* Text */
  --text-primary: #e8e6f0;
  --text-secondary: #8a8a9a;
  --text-muted: #55556a;

  /* Borders */
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(108, 99, 255, 0.4);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(108, 99, 255, 0.15);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Sizing */
  --max-width: 1200px;
  --nav-height: 64px;

  /* Radii - Sharper, more technical look */
  --radius-sm: 2px;
  --radius-md: 2px;
  --radius-lg: 4px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}


/* ========================================================================
   2. RESET & BASE
   ======================================================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #fff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

::selection {
  background: var(--accent);
  color: #fff;
}


/* ========================================================================
   3. UTILITY CLASSES
   ======================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-label {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1.05rem;
}

/* Fade-in animation for IntersectionObserver */
.fade-in {
  /* AI AGENT CONTEXT: Hardware-accelerated opacity transition only. 
     We strictly avoid translateY to prevent layout thrashing and maintain 
     a high-end, stable typographical focus (Option 4). */
  opacity: 0.3;
  /* Dimmed initial state */
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity;
  /* Hints to the browser to push this to the GPU */
}

.fade-in.is-visible {
  opacity: 1;
  /* Fully bright spotlight state */
}

/* Stagger children */
.fade-in.is-visible:nth-child(2) {
  transition-delay: 0.1s;
}

.fade-in.is-visible:nth-child(3) {
  transition-delay: 0.2s;
}

.fade-in.is-visible:nth-child(4) {
  transition-delay: 0.3s;
}

.fade-in.is-visible:nth-child(5) {
  transition-delay: 0.4s;
}

.fade-in.is-visible:nth-child(6) {
  transition-delay: 0.5s;
}


/* ========================================================================
   4. BACKGROUND PATTERN (Dot Grid)
   ======================================================================== */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
}

body>* {
  position: relative;
  z-index: 1;
}


/* ========================================================================
   5. NAVBAR
   ======================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

/* Performance-first glassmorphism */
.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

@supports (backdrop-filter: blur(10px)) {
  .navbar.scrolled {
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    background: rgba(10, 10, 15, 0.6);
  }
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px !important;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  color: #fff !important;
  font-weight: 600 !important;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.open span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}


/* ========================================================================
   6. HERO
   ======================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 3rem;
  /* Ensure content doesn't touch edges */
  padding: var(--space-xl) var(--space-md);
}

/* --- HERO VISUAL / 3D CAROUSEL --- */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 300px;
  perspective: 1000px;
  overflow: visible;
}

@media (min-width: 1024px) {
  .hero .container {
    flex-direction: row;
    align-items: center;
    text-align: left;
    min-height: calc(100vh - var(--nav-height));
    justify-content: center;
    gap: 4rem;
    width: 90%;
    max-width: 1920px;
    margin: 0 auto;
    padding-bottom: 2rem;
  }

  .hero-content {
    flex: 4;
    max-width: 80ch;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
  }

  .hero-visual {
    flex: 6;
    min-height: 500px;
  }
}

.scene {
  width: 260px;
  /* Card Width */
  height: 180px;
  /* Card Height */
  position: relative;
  transform-style: preserve-3d;
}

.carousel {
  width: 100%;
  height: 100%;
  position: absolute;
  transform-style: preserve-3d;
  /* "mechanical" linear rotation */
  animation: rotate-carousel 30s infinite linear;
}

/* Pause rotation on hover for usability */
.carousel:hover {
  animation-play-state: paused;
}

/* Individual Card (Generated by JS) */
.carousel-card {
  position: absolute;
  width: 260px;
  height: 180px;
  left: 0;
  top: 0;
  /* Brutalist Styling */
  border: 2px solid var(--accent);
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: border-color 0.3s ease;

  /* Ensure text/content isn't reversed when looking through back */
  /* Optional: backface-visibility: hidden; */
}

.carousel-card:hover {
  border-color: #fff;
  z-index: 10;
}

/* Video/Image inside card */
.carousel-card video,
.carousel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  /* Dim slightly to blend with brutalist bg */
  mix-blend-mode: luminosity;
  /* Makes video monochrome (optional) */
  transition: opacity 0.3s ease, mix-blend-mode 0.3s ease;
}

.carousel-card:hover video,
.carousel-card:hover img {
  opacity: 1;
  mix-blend-mode: normal;
}

/* --- ANIMATION --- */
@keyframes rotate-carousel {
  0% {
    transform: rotateY(0deg);
  }

  100% {
    transform: rotateY(-360deg);
  }
}


.hero-content {
  max-width: 700px;
}

.hero-greeting {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.hero-name {
  font-size: clamp(2.5rem, 5vw, 5rem);
  margin-bottom: var(--space-md);
}

.hero-name .accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 65ch;
}

/* AI AGENT CONTEXT: CSS for the Cinematic Crossfade (Option 3). 
   Absolute positioning prevents the phrases from stacking and breaking the layout. */

.hero-subtitle-container {
  position: relative;
  display: inline-block;
  /* You may need to adjust this height to match your font size exactly */
  height: 1.5em;
  min-width: 300px;
  /* Ensures the container doesn't collapse */
  text-align: left;
}

.hero-phrase {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  white-space: nowrap;
  /* Hardware-accelerated smooth fade */
  transition: opacity 0.8s ease-in-out;
  will-change: opacity;
}

.hero-phrase.active {
  opacity: 1;
}

.hero-socials {
  display: flex;
  gap: var(--space-md);
}

.hero-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.hero-socials a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--accent-glow);
}

.hero-socials svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}


/* ========================================================================
   7. PROJECT CARDS & GRID
   ======================================================================== */
.projects-filters {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.load-more-container {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.hidden {
  display: none !important;
}

/* ---- FLAGSHIP (FEATURED) PROJECT CARD ---- */
/* ---- PROJECT MODAL ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.85);
  /* Dark */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1;
}

.modal-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  padding: var(--space-md);
  box-sizing: border-box;
  display: flex;
  justify-content: center;
}

.modal-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  width: 100%;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
  /* Custom Scrollbar for modal */
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}

@supports (backdrop-filter: blur(10px)) {
  .modal-container {
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  z-index: 10;
  transition: transform 0.2s;
}

.modal-close:hover {
  transform: scale(1.1);
  background: var(--accent);
}

.modal-media-wrapper {
  width: 100%;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.modal-media-wrapper img,
.modal-media-wrapper video,
.modal-media-wrapper iframe {
  width: 100%;
  height: auto;
  max-height: 85vh;
  object-fit: contain;
  display: block;
}

/* 16:9 Aspect Ratio Container for Videos/Iframes */
.modal-video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  /* 16:9 ratio */
  height: 0;
  background: #000;
  overflow: hidden;
}

.modal-video-container .modal-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  border: none;
}

.modal-body {
  padding: var(--space-lg);
}

.modal-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.modal-title {
  font-size: 1.8rem;
  margin: 0;
  line-height: 1.2;
}

.modal-subtitle {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.modal-divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

.modal-description {
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
  /* Preserve newlines if any */
  font-size: 1rem;
}

.modal-highlights-title {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.modal-highlights {
  padding-left: 1.2rem;
  color: var(--text-secondary);
}

.modal-highlights li {
  margin-bottom: 0.5rem;
}

.modal-links {
  display: flex;
  gap: 1rem;
}

/* Animations */
.modal.active .modal-container {
  animation: modal-pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modal-pop {
  0% {
    transform: scale(0.95);
    opacity: 0;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Ensure body doesn't scroll when modal is open */
body.modal-open {
  overflow: hidden;
}

/* Animated gradient border around flagship cards */
.project-card--flagship::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg,
      var(--accent),
      #a78bfa,
      var(--accent),
      #a78bfa);
  background-size: 300% 300%;
  animation: gradient-shift 8s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: 0;
  pointer-events: none;
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.project-card--flagship .project-card-image {
  aspect-ratio: auto;
  /* Let video/image define height */
  height: auto;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  overflow: hidden;
  display: flex;
  /* Removes bottom whitespace from video */
  align-items: center;
  /* Centers if needed */
}

/* Ensure content fills width but height is natural */
.project-card--flagship .project-card-image img,
.project-card--flagship .project-card-image video {
  height: auto;
  width: 100%;
}

.project-card--flagship .project-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  position: relative;
  z-index: 1;
  /* Force height to match the image column */
  height: 0;
  min-height: 100%;
}

@supports (backdrop-filter: blur(10px)) {
  .project-card--flagship .project-card-body {
    background: rgba(18, 18, 26, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

.project-card--flagship:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(108, 99, 255, 0.15), 0 0 60px rgba(108, 99, 255, 0.08);
}

.flagship-header h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  margin-bottom: 4px;
}

.flagship-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.flagship-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  -webkit-line-clamp: unset !important;
  overflow: visible !important;
}

.flagship-scroll-area {
  flex-grow: 1;
  overflow-y: auto;
  margin-bottom: var(--space-md);
  padding-right: 10px;
  /* Space for scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}

/* Custom Scrollbar for Flagship Content */
.flagship-scroll-area::-webkit-scrollbar {
  width: 6px;
}

.flagship-scroll-area::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.flagship-scroll-area::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.flagship-scroll-area::-webkit-scrollbar-thumb:hover {
  background: #818cf8;
}

.flagship-highlights {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: var(--space-md);
  padding: 0;
}

.flagship-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.flagship-highlights li svg {
  width: 16px;
  height: 16px;
  fill: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.project-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.project-card--flagship .project-tags {
  margin-top: auto;
}

.project-card--flagship .project-badge {
  font-size: 0.65rem;
  padding: 5px 14px;
  letter-spacing: 1.5px;
  box-shadow: 0 4px 12px rgba(108, 99, 255, 0.3);
}

.project-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: visible;
  /* Changed from hidden to allow tag overflow */
  transition: all var(--transition-normal);
  /* Fallback solid bg */
  background: var(--bg-secondary);
}

/* EXIT STATE */
.project-card.exiting {
  opacity: 0;
  transform: scale(0.95) translateY(10px);
  transition:
    opacity 0.3s ease,
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

/* ENTER INITIAL STATE */
.project-card-enter {
  opacity: 0;
  transform: translateY(30px);
  /* Transition set here */
  transition:
    opacity 0.5s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
  backface-visibility: hidden;
  /* Prevents micro-stutter */
}

/* ENTER ACTIVE STATE */
.project-card-enter.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@supports (backdrop-filter: blur(10px)) {
  .project-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  z-index: 10;
}

.project-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  /* Fit standard video perfectly */
  overflow: hidden;
  background: var(--bg-primary);
  /* Fix: Add top radius directly since parent is overflow:visible */
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.project-card-image img,
.project-card-image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), object-fit var(--transition-normal);
}

.project-card-image video {
  background: #000;
  /* Black bars when contained */
}

/* Hover: No internal zoom on image/video */
.project-card:hover .project-card-image img {
  transform: none;
}

/* Hover: Switch video to contain (full size) but no extra scale */
.project-card:hover .project-card-image video {
  transform: none;
  object-fit: contain;
}

/* Overlay base style - optimized for compositor animations */
.project-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  /* Adjust opacity as needed */
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  /* Prevents interference with click events */
  border-radius: inherit;
  /* Matches card corners */
  z-index: 2;
}

/* Text styling */
.project-card-overlay-text {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transform: translateY(10px);
  transition: transform 0.3s ease;
}

/* Hover state */
.project-card:hover .project-card-overlay {
  opacity: 1;
}

.project-card:hover .project-card-overlay-text {
  transform: translateY(0);
  /* Subtle slide-up animation */
}

/* ---- CSS-ONLY PLACEHOLDER (no screenshot) ---- */
.project-card-placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

.placeholder-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 2px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.placeholder-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* Dot-grid texture overlay */
.placeholder-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 16px 16px;
  z-index: 1;
  pointer-events: none;
}

/* Subtle shimmer on hover */
.project-card:hover .project-card-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  z-index: 3;
  pointer-events: none;
}

.project-card:hover .placeholder-initials {
  transform: scale(1.08);
  transition: transform var(--transition-normal);
}

/* Featured badge */
.project-badge {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  padding: 4px 12px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-card-body {
  padding: var(--space-md);
}

.project-card-body h3 {
  margin-bottom: var(--space-xs);
  transition: color var(--transition-fast);
}

.project-card:hover .project-card-body h3 {
  color: var(--accent-light);
}

.project-card-body>p {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.tags-wrapper {
  flex: 1;
  position: relative;
  height: 2.2rem;
  min-width: 0;
  /* Prevents overflow issues */
  z-index: 5;
}

.project-tags {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;

  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.5rem;

  background-color: var(--bg-secondary);
  /* CRITICAL: Prevents text overlap */
  border-radius: 4px;

  max-height: 2.2rem;
  overflow: hidden;

  mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);

  transition: max-height 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.2s ease,
    mask-image 0.1s linear;
}

.project-tags:hover {
  max-height: 20rem;
  z-index: 20;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);

  mask-image: none;
  -webkit-mask-image: none;
}

.project-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 4px 10px;
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent-light);
  border-radius: var(--radius-full);
  border: 1px solid rgba(108, 99, 255, 0.15);
}

.project-links {
  flex-shrink: 0;
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.project-link:hover {
  color: var(--accent-light);
}

.project-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.project-note {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-muted);
  margin-left: auto;
}


/* ========================================================================
   8. ABOUT
   ======================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.about-photo-wrapper {
  position: relative;
}

.about-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
}

.about-photo-wrapper::after {
  content: '';
  position: absolute;
  inset: 12px -12px -12px 12px;
  border: 2px solid #fff;
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}

.about-text p {
  margin-bottom: var(--space-sm);
  font-size: 1.05rem;
}

.text-highlight {
  color: var(--text-primary);
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #fff;
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.about-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}


/* ========================================================================
   9. POLAROID GALLERY (Modernized — CSS Grid + rotation)
   ======================================================================== */
.gallery-section {
  padding: var(--space-xl) 0;
}

.polaroid-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.polaroid-item {
  background: #fff;
  padding: 8px 8px 28px 8px;
  border-radius: 2px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.polaroid-item:nth-child(1) {
  transform: rotate(-4deg);
}

.polaroid-item:nth-child(2) {
  transform: rotate(2deg) translateY(10px);
}

.polaroid-item:nth-child(3) {
  transform: rotate(-1deg);
}

.polaroid-item:nth-child(4) {
  transform: rotate(3deg) translateY(5px);
}

.polaroid-item:nth-child(5) {
  transform: rotate(-2deg);
}

.polaroid-item:hover {
  transform: rotate(0deg) scale(1.08) translateY(-8px) !important;
  box-shadow: var(--shadow-lg);
  z-index: 10;
}

.polaroid-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}


/* ========================================================================
   10. SKILLS
   ======================================================================== */
.skills-categories {
  display: grid;
  grid-template-columns: 1fr;
  /* Mobile: 1 col */
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .skills-categories {
    grid-template-columns: repeat(2, 1fr);
    /* Tablet: 2x2 */
  }
}

@media (min-width: 1200px) {
  .skills-categories {
    grid-template-columns: repeat(3, 1fr);
    /* Desktop: 2x3 */
  }
}

.skills-card {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: border-color var(--transition-normal);
}

@supports (backdrop-filter: blur(10px)) {
  .skills-card {
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}

.skills-card:hover {
  border-color: var(--border-hover);
}

.skills-card-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-sm);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-badge {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  /* border-radius: var(--radius-full) */
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.skill-badge:hover {
  background: rgba(108, 99, 255, 0.1);
  border-color: rgba(108, 99, 255, 0.3);
  color: var(--accent-light);
  transform: translateY(-1px);
}


/* ========================================================================
   11. CONTACT
   ======================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(108, 99, 255, 0.1);
  color: var(--accent);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.contact-info-item h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.contact-info-item p {
  font-size: 0.9rem;
}


/* ========================================================================
   12. FOOTER
   ======================================================================== */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--border);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: var(--space-sm);
}

.footer-socials a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-socials a:hover {
  color: var(--accent);
}

.footer-socials svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}


/* ========================================================================
   13. RESPONSIVE BREAKPOINTS
   ======================================================================== */

/* Tablet */
@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card--flagship {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .flagship-scroll-area {
    overflow: visible;
    padding-right: 0;
  }

  .project-card--flagship .project-card-image {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .project-card--flagship .project-card-body {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    height: auto;
    /* Reset for mobile stacking */
    min-height: 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-photo-wrapper {
    max-width: 250px;
    margin: 0 auto;
  }

  .about-buttons {
    justify-content: center;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .polaroid-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .polaroid-item:nth-child(4),
  .polaroid-item:nth-child(5) {
    display: none;
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --space-2xl: 4rem;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--bg-primary);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content {
    text-align: center;
  }

  .hero-socials {
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer .container {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .polaroid-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .polaroid-item:nth-child(3),
  .polaroid-item:nth-child(4),
  .polaroid-item:nth-child(5) {
    display: none;
  }
}

/* Mobile Safeguard for Project Footer */
@media (max-width: 480px) {
  .project-card-footer {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .project-links {
    width: 100%;
    justify-content: flex-end;
  }

  .tags-wrapper {
    width: 100%;
  }
}