/* ═══════════════════════════════════════════════════════════════════
   FX ARTIST PORTFOLIO — DESIGN SYSTEM
   Cyberpunk × Biotech — Dark Minimalist
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Inter:wght@300;400;500&display=swap');

/* ── DESIGN TOKENS ─────────────────────────────────────────────── */
:root {
  /* Colors */
  --bg-void:        #050507;
  --bg-deep:        #080810;
  --bg-surface:     #0d0d1a;
  --bg-elevated:    #111122;
  --bg-card:        #0f0f1e;
  --bg-glass:       rgba(13, 13, 26, 0.7);

  --neon-teal:      #00f5d4;
  --neon-violet:    #8b5cf6;
  --neon-pink:      #f0abfc;
  --neon-blue:      #38bdf8;
  --neon-orange:    #fb923c;

  --glow-teal:      rgba(0, 245, 212, 0.15);
  --glow-violet:    rgba(139, 92, 246, 0.15);
  --glow-pink:      rgba(240, 171, 252, 0.12);

  --text-primary:   #f0f0f8;
  --text-secondary: #8888aa;
  --text-muted:     #44445a;
  --text-accent:    var(--neon-teal);

  --border-dim:     rgba(255, 255, 255, 0.06);
  --border-glow:    rgba(0, 245, 212, 0.3);

  /* Typography */
  --font-display:   'Space Grotesk', sans-serif;
  --font-mono:      'Space Mono', monospace;
  --font-body:      'Inter', sans-serif;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2.5rem;
  --space-2xl:  4rem;
  --space-3xl:  6rem;

  /* Borders & Radii */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-pill: 999px;

  /* Transitions */
  --transition-fast:  0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-card:    0 4px 24px rgba(0,0,0,0.6);
  --shadow-glow-teal:   0 0 20px rgba(0, 245, 212, 0.25), 0 0 60px rgba(0, 245, 212, 0.08);
  --shadow-glow-violet: 0 0 20px rgba(139, 92, 246, 0.25), 0 0 60px rgba(139, 92, 246, 0.08);

  /* Layout */
  --nav-height: 70px;
  --content-max: 1280px;
  --content-narrow: 860px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { background: var(--neon-teal); border-radius: 2px; }

/* Selection */
::selection { background: rgba(0, 245, 212, 0.2); color: var(--neon-teal); }

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

/* Links */
a { color: inherit; text-decoration: none; }

/* ── TYPOGRAPHY ────────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; }

.mono { font-family: var(--font-mono); }
.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--neon-teal);
}
.label--violet { color: var(--neon-violet); }
.label--muted  { color: var(--text-muted); }

/* ── LAYOUT HELPERS ────────────────────────────────────────────── */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}
.container--narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-3xl) 0;
}
.section--sm { padding: var(--space-2xl) 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ── HUD BACKGROUND NOISE ──────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0, 245, 212, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(240, 171, 252, 0.02) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* Fine grain noise texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── NAVIGATION ────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(5, 5, 7, 0.8);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border-bottom: 1px solid var(--border-dim);
  transition: border-color var(--transition-base);
}

.nav.scrolled {
  border-color: rgba(0, 245, 212, 0.12);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-xl);
  max-width: calc(var(--content-max) + var(--space-3xl));
  margin: 0 auto;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav__logo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-teal);
  box-shadow: 0 0 8px var(--neon-teal);
  animation: pulse-dot 2s ease-in-out infinite;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 100%;
  height: 1px;
  background: var(--neon-teal);
  transition: right var(--transition-base);
  box-shadow: 0 0 6px var(--neon-teal);
}

.nav__link:hover, .nav__link.active {
  color: var(--text-primary);
}
.nav__link:hover::after, .nav__link.active::after {
  right: 0;
}

.nav__cta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-teal);
  border: 1px solid rgba(0, 245, 212, 0.4);
  padding: 0.4em 1.2em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.nav__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--neon-teal);
  transform: translateX(-101%);
  transition: transform var(--transition-base);
}

.nav__cta:hover {
  color: var(--bg-void);
  border-color: var(--neon-teal);
  box-shadow: var(--shadow-glow-teal);
}
.nav__cta:hover::before { transform: translateX(0); }
.nav__cta span { position: relative; z-index: 1; }

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-sm);
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text-secondary);
  transition: all var(--transition-base);
}

/* ── SECTION HEADERS ───────────────────────────────────────────── */
.section-header {
  margin-bottom: var(--space-2xl);
}
.section-header__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon-teal);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.section-header__eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--neon-teal);
  box-shadow: 0 0 6px var(--neon-teal);
}
.section-header__title { color: var(--text-primary); }
.section-header__subtitle {
  margin-top: var(--space-md);
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.7;
}

/* ── BUTTONS ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.8em 1.8em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn--primary {
  background: var(--neon-teal);
  color: var(--bg-void);
  border-color: var(--neon-teal);
  font-weight: 700;
}
.btn--primary:hover {
  background: transparent;
  color: var(--neon-teal);
  box-shadow: var(--shadow-glow-teal);
}

.btn--outline {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-dim);
}
.btn--outline:hover {
  color: var(--neon-teal);
  border-color: rgba(0, 245, 212, 0.4);
  box-shadow: var(--shadow-glow-teal);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
  padding-left: 0;
}
.btn--ghost:hover { color: var(--neon-teal); }

.btn svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── CARDS ─────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.card:hover {
  border-color: rgba(0, 245, 212, 0.2);
  box-shadow: var(--shadow-card), var(--shadow-glow-teal);
  transform: translateY(-2px);
}

.card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img { transform: scale(1.04); }

.card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,7,0.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
}
.card:hover .card__overlay { opacity: 1; }

.card__body { padding: var(--space-lg); }
.card__tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-md); }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: 1rem; margin-bottom: var(--space-xs); }
.card__desc { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.6; }
.card__meta { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-md); }
.card__arrow {
  color: var(--neon-teal);
  transition: transform var(--transition-base);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.card:hover .card__arrow { transform: translateX(4px); }

/* ── TAGS / BADGES ─────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25em 0.7em;
  border-radius: var(--radius-pill);
  border: 1px solid;
}

.tag--teal   { color: var(--neon-teal);   border-color: rgba(0,245,212,0.3);   background: rgba(0,245,212,0.06); }
.tag--violet { color: var(--neon-violet); border-color: rgba(139,92,246,0.3);  background: rgba(139,92,246,0.06); }
.tag--pink   { color: var(--neon-pink);   border-color: rgba(240,171,252,0.3); background: rgba(240,171,252,0.06); }
.tag--blue   { color: var(--neon-blue);   border-color: rgba(56,189,248,0.3);  background: rgba(56,189,248,0.06); }
.tag--orange { color: var(--neon-orange); border-color: rgba(251,146,60,0.3);  background: rgba(251,146,60,0.06); }

/* ── GLASSMORPHISM PANEL ───────────────────────────────────────── */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
}

/* ── HUD DECORATIVE ELEMENTS ───────────────────────────────────── */
.hud-corner {
  position: absolute;
  width: 16px;
  height: 16px;
}
.hud-corner--tl { top: 0; left: 0; border-top: 1px solid var(--neon-teal); border-left: 1px solid var(--neon-teal); }
.hud-corner--tr { top: 0; right: 0; border-top: 1px solid var(--neon-teal); border-right: 1px solid var(--neon-teal); }
.hud-corner--bl { bottom: 0; left: 0; border-bottom: 1px solid var(--neon-teal); border-left: 1px solid var(--neon-teal); }
.hud-corner--br { bottom: 0; right: 0; border-bottom: 1px solid var(--neon-teal); border-right: 1px solid var(--neon-teal); }

.hud-line-h {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-teal), transparent);
  opacity: 0.3;
}

.hud-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,245,212,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,245,212,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* ── DIVIDER ───────────────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-dim) 20%, var(--border-dim) 80%, transparent);
  margin: var(--space-2xl) 0;
}

/* ── FILTER BAR ────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45em 1.1em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-dim);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  color: var(--neon-teal);
  border-color: rgba(0,245,212,0.4);
  background: rgba(0,245,212,0.06);
  box-shadow: 0 0 12px rgba(0,245,212,0.1);
}

/* ── SKILL BAR ─────────────────────────────────────────────────── */
.skill-bar { margin-bottom: var(--space-md); }
.skill-bar__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}
.skill-bar__track {
  height: 2px;
  background: var(--bg-elevated);
  border-radius: 1px;
  overflow: visible;
  position: relative;
}
.skill-bar__fill {
  height: 100%;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--neon-teal), var(--neon-violet));
  position: relative;
  transition: width 1.2s cubic-bezier(0.23, 1, 0.32, 1);
  width: 0;
}
.skill-bar__fill::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-teal);
  box-shadow: 0 0 10px var(--neon-teal);
}

/* ── FORM ──────────────────────────────────────────────────────── */
.form-group { margin-bottom: var(--space-lg); }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}
.form-input, .form-textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 0.85em 1.1em;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
  resize: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: rgba(0,245,212,0.4);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(0,245,212,0.08), var(--shadow-glow-teal);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { min-height: 140px; line-height: 1.6; }

/* ── HERO ──────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg-void) 80%);
  z-index: 0;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) 0;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--neon-teal);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.8s 0.2s forwards;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--neon-teal);
  box-shadow: 0 0 8px var(--neon-teal);
}

.hero__title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.9s 0.35s forwards;
}

.hero__title .accent {
  background: linear-gradient(135deg, var(--neon-teal) 0%, var(--neon-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.9s 0.5s forwards;
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.9s 0.65s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1;
  opacity: 0;
  animation: fadeIn 1s 1.2s forwards;
}

.hero__scroll span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--neon-teal), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

/* ── SHOWREEL EMBED ────────────────────────────────────────────── */
.showreel {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  box-shadow: var(--shadow-card);
}
.showreel::before {
  content: '';
  display: block;
  padding-top: 56.25%;
}
.showreel__inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.showreel iframe {
  width: 100%;
  height: 100%;
  border: none;
}
.showreel__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
  cursor: pointer;
  transition: all var(--transition-base);
}
.showreel__placeholder:hover { background: var(--bg-elevated); }
.showreel__play {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid rgba(0,245,212,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  position: relative;
}
.showreel__play::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(0,245,212,0.15);
  animation: ping 2s ease-in-out infinite;
}
.showreel__play svg { color: var(--neon-teal); width: 24px; height: 24px; margin-left: 4px; }
.showreel__placeholder:hover .showreel__play {
  border-color: var(--neon-teal);
  box-shadow: var(--shadow-glow-teal);
}

/* ── PROJECT GRID ──────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
  gap: var(--space-lg);
}

.project-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.project-card--featured {
  grid-column: span 2;
}

/* ── TOOLS GRID ────────────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: var(--space-lg);
}

.tool-card {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.tool-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0,245,212,0.08);
  border: 1px solid rgba(0,245,212,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-teal);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.tool-card__name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.tool-card__desc { color: var(--text-secondary); font-size: 0.875rem; line-height: 1.65; flex: 1; }
.tool-card__tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.tool-card__footer { display: flex; align-items: center; gap: var(--space-md); margin-top: var(--space-sm); padding-top: var(--space-md); border-top: 1px solid var(--border-dim); }
.tool-card__status {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tool-card__status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--neon-teal);
  box-shadow: 0 0 6px var(--neon-teal);
  animation: pulse-dot 2s ease-in-out infinite;
}
.tool-card__status-dot--wip { background: var(--neon-orange); box-shadow: 0 0 6px var(--neon-orange); }

/* ── ABOUT PAGE ────────────────────────────────────────────────── */
.about-bio {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-avatar {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-dim);
  aspect-ratio: 1;
}

.about-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.1);
}

.about-avatar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,212,0.1), transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.stat {
  text-align: center;
  padding: var(--space-lg);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  transition: all var(--transition-base);
}
.stat:hover { border-color: rgba(0,245,212,0.2); box-shadow: var(--shadow-glow-teal); }
.stat__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--neon-teal), var(--neon-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.stat__label { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }

/* ── PROJECT DETAIL PAGE ───────────────────────────────────────── */
.project-detail__header {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
}
.project-detail__video {
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin: var(--space-2xl) 0;
  border: 1px solid var(--border-dim);
}
.project-detail__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}
.project-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.project-images img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dim);
}
.project-sidebar > * + * { margin-top: var(--space-xl); }
.sidebar-block__label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}
.sidebar-block__value { font-size: 0.9rem; color: var(--text-secondary); }

/* ── FOOTER ────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border-dim);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.footer__link {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.footer__link:hover { color: var(--neon-teal); }

.footer__social {
  display: flex;
  gap: var(--space-md);
}
.social-icon {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}
.social-icon:hover {
  color: var(--neon-teal);
  border-color: rgba(0,245,212,0.4);
  box-shadow: var(--shadow-glow-teal);
}
.social-icon svg { width: 14px; height: 14px; }

/* ── R&D TEASER SECTION ────────────────────────────────────────── */
.rnd-teaser {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
}
.rnd-teaser::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* ── CONTACT PAGE ──────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info > * + * { margin-top: var(--space-xl); }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.contact-item__icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-teal);
  flex-shrink: 0;
}
.contact-item__text { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-secondary); }
.contact-item__value { color: var(--text-primary); margin-top: 2px; }

/* ── PAGE TRANSITIONS ──────────────────────────────────────────── */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;
}

/* ── SCROLL REVEAL ─────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ── PAGE HEADER ───────────────────────────────────────────────── */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  padding-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -20%;
  right: -20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-teal), var(--neon-violet), transparent);
  opacity: 0.2;
}

/* ── BACK LINK ─────────────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2xl);
  transition: color var(--transition-fast);
}
.back-link:hover { color: var(--neon-teal); }
.back-link svg { width: 12px; height: 12px; }

/* ── ANIMATIONS ────────────────────────────────────────────────── */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px currentColor; }
  50% { opacity: 0.5; box-shadow: 0 0 14px currentColor; }
}

@keyframes ping {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.6); }
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* Canvas HUD */
#hud-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
}

/* ── MOBILE NAV ────────────────────────────────────────────────── */
.nav__mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(5,5,7,0.97);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-dim);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transform: translateY(-100%);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 999;
  pointer-events: none;
}
.nav__mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.nav__mobile-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-dim);
  transition: color var(--transition-fast);
}
.nav__mobile-link:hover, .nav__mobile-link.active { color: var(--neon-teal); }

/* ── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .project-card--featured { grid-column: span 1; }
}

@media (max-width: 900px) {
  .container { padding: 0 var(--space-lg); }
  .contact-layout { grid-template-columns: 1fr; }
  .about-bio { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .project-detail__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --space-3xl: 4rem; --space-2xl: 3rem; }
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__social { justify-content: center; }
}

@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; }
  .project-images { grid-template-columns: 1fr; }
}