/* ============================================================
   Gökhan Ağarer Portfolio — style.css
   ============================================================ */

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

:root {
  --bg: #09090b;
  --surface: #111114;
  --surface2: #18181b;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.13);
  --primary: #8b5cf6;
  --primary-light: #a78bfa;
  --primary-glow: rgba(139,92,246,0.15);
  --cyan: #22d3ee;
  --cyan-glow: rgba(34,211,238,0.1);
  --green: #34d399;
  --orange: #fbbf24;
  --pink: #f472b6;
  --blue: #60a5fa;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-dim: #52525b;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 14px;
  --radius-lg: 20px;
}

/* Light mode overrides */
[data-theme="light"] {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface2: #f4f4f5;
  --border: rgba(0,0,0,0.06);
  --border-hover: rgba(0,0,0,0.12);
  --primary: #7c3aed;
  --primary-light: #6d28d9;
  --primary-glow: rgba(124,58,237,0.1);
  --cyan: #0891b2;
  --cyan-glow: rgba(8,145,178,0.08);
  --green: #059669;
  --orange: #d97706;
  --pink: #db2777;
  --blue: #2563eb;
  --text: #18181b;
  --text-muted: #52525b;
  --text-dim: #a1a1aa;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

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

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); }

/* ── Noise texture overlay ── */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999;
  opacity: 0.035;
  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)'/%3E%3C/svg%3E");
}

/* ── Skip to content ── */
.skip-link {
  position: absolute; top: -100px; left: 24px; z-index: 9999;
  padding: 8px 16px;
  background: var(--primary); color: #fff;
  border-radius: 0 0 8px 8px; font-size: 14px;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ── Scroll progress bar ── */
#progress-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 200;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}

/* ── Cursor glow ── */
#cursor-glow {
  position: fixed; pointer-events: none; z-index: 0;
  width: 600px; height: 600px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(139,92,246,0.07) 0%, transparent 65%);
  transition: opacity 0.4s ease;
  opacity: 0;
}

/* ── Utilities ── */
.label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-light);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container { max-width: 1200px; margin: 0 auto; }
section { padding: 120px 40px; }

.section-header { text-align: center; margin-bottom: 72px; }
.section-header .label { display: block; margin-bottom: 12px; }
.section-header h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.1;
}
.section-header p {
  margin-top: 16px; color: var(--text-muted);
  max-width: 560px; margin-left: auto; margin-right: auto;
  font-size: 1.05rem;
}

/* ── Navigation ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 40px;
  transition: all 0.35s ease;
}
nav.scrolled {
  background: rgba(9,9,11,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 40px;
}
[data-theme="light"] nav.scrolled {
  background: rgba(250,250,250,0.88);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 600; letter-spacing: -0.02em;
}
.nav-logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: white;
  flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 14px; color: var(--text-muted);
  transition: color 0.2s; position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; border-radius: 1px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
}
.nav-right { display: flex; align-items: center; gap: 12px; }

/* Theme toggle */
.theme-toggle {
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--border); background: transparent;
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; font-size: 15px;
}
.theme-toggle:hover { border-color: var(--border-hover); color: var(--text); }

/* Language switcher */
.lang-switcher {
  display: flex; gap: 2px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 3px;
}
.lang-btn {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.05em; color: var(--text-muted);
  padding: 4px 8px; border-radius: 5px;
  border: none; background: transparent; cursor: pointer;
  transition: all 0.2s;
}
.lang-btn.active {
  background: var(--primary); color: #fff;
}
.lang-btn:hover:not(.active) { color: var(--text); }

.nav-cta {
  font-size: 13px; font-weight: 600;
  padding: 8px 20px;
  background: var(--primary);
  color: white; border-radius: 8px;
  transition: all 0.2s; border: none; cursor: pointer;
  font-family: var(--font-sans);
}
.nav-cta:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--primary-glow);
}

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--border); background: transparent;
  cursor: pointer; padding: 9px 8px;
  transition: border-color 0.2s;
}
.hamburger span {
  display: block; height: 1.5px; border-radius: 1px;
  background: var(--text-muted); transition: all 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile overlay nav */
.mobile-nav {
  position: fixed; inset: 0; z-index: 99;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 40px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-nav.open { opacity: 1; pointer-events: all; }
.mobile-nav a {
  font-size: 2rem; font-weight: 700; letter-spacing: -0.03em;
  color: var(--text-muted); transition: color 0.2s;
  opacity: 0; transform: translateY(20px);
  transition: color 0.2s, opacity 0.4s ease, transform 0.4s ease;
}
.mobile-nav.open a { opacity: 1; transform: translateY(0); }
.mobile-nav.open a:nth-child(1) { transition-delay: 0.05s; }
.mobile-nav.open a:nth-child(2) { transition-delay: 0.1s; }
.mobile-nav.open a:nth-child(3) { transition-delay: 0.15s; }
.mobile-nav.open a:nth-child(4) { transition-delay: 0.2s; }
.mobile-nav.open a:nth-child(5) { transition-delay: 0.25s; }
.mobile-nav a:hover { color: var(--primary-light); }

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 140px 40px 100px;
}
#hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
}
[data-theme="light"] #hero::before {
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}

.orb {
  position: absolute; border-radius: 50%;
  pointer-events: none; will-change: transform;
}
.orb-1 {
  top: 5%; left: -15%; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(139,92,246,0.11) 0%, transparent 65%);
}
.orb-2 {
  bottom: -10%; right: -10%; width: 550px; height: 550px;
  background: radial-gradient(circle, rgba(34,211,238,0.08) 0%, transparent 65%);
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: 100px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: 28px;
  animation: fadeUp 0.8s ease 0.1s both;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--green); border-radius: 50%;
  animation: glow 2s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  50% { box-shadow: 0 0 0 5px rgba(52,211,153,0); }
}
.hero-subtitle {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text-dim); letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 14px;
  animation: fadeUp 0.8s ease 0.18s both;
}
.hero-name {
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.0;
  margin-bottom: 22px;
  animation: fadeUp 0.8s ease 0.25s both;
}
.hero-role {
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  font-weight: 400; color: var(--text-muted);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
  min-height: 2.2rem;
  animation: fadeUp 0.8s ease 0.4s both;
}
.typed-text { color: var(--text); font-weight: 500; }
.cursor {
  display: inline-block; width: 2px; height: 1.1em;
  background: var(--primary); margin-left: 1px;
  vertical-align: text-bottom;
  animation: blink 0.9s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-desc {
  font-size: 1.05rem; color: var(--text-muted);
  max-width: 540px; line-height: 1.75;
  margin-bottom: 44px;
  animation: fadeUp 0.8s ease 0.55s both;
}
.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 72px;
  animation: fadeUp 0.8s ease 0.7s both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary), #9585f8);
  color: white; font-size: 15px; font-weight: 600;
  border-radius: 10px; border: none; cursor: pointer;
  transition: all 0.25s ease; letter-spacing: -0.01em;
  font-family: var(--font-sans); position: relative; overflow: hidden;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(139,92,246,0.4);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: transparent; color: var(--text);
  font-size: 15px; font-weight: 500;
  border-radius: 10px; border: 1px solid var(--border);
  cursor: pointer; transition: all 0.25s ease;
  letter-spacing: -0.01em; font-family: var(--font-sans);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.04);
}
.btn-cv {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: transparent; color: var(--text-muted);
  font-size: 15px; font-weight: 500;
  border-radius: 10px; border: 1px solid var(--border);
  cursor: pointer; transition: all 0.25s ease;
  letter-spacing: -0.01em; font-family: var(--font-sans);
}
.btn-cv:hover {
  border-color: var(--green); color: var(--green);
  background: rgba(52,211,153,0.05);
}

.hero-stats {
  display: flex; gap: 0; flex-wrap: wrap;
  animation: fadeUp 0.8s ease 0.85s both;
}
.hero-stat {
  padding: 0 36px 0 0; margin-right: 36px;
  border-right: 1px solid var(--border);
}
.hero-stat:last-child { border-right: none; margin-right: 0; padding-right: 0; }
.hero-stat-num {
  font-size: 1.9rem; font-weight: 700;
  letter-spacing: -0.04em; line-height: 1;
}
.hero-stat-num em { color: var(--primary-light); font-style: normal; }
.hero-stat-label { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.scroll-cue {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--text-dim);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  animation: fadeUp 1s ease 1.8s both;
}
.scroll-line {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, transparent, var(--primary), transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Hero particles */
.particle {
  position: absolute; border-radius: 50%;
  background: var(--primary-light); opacity: 0;
  pointer-events: none;
  animation: particleDrift linear infinite;
}
@keyframes particleDrift {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.2; }
  100% { transform: translateY(-120px) scale(0.4); opacity: 0; }
}

/* ── About ── */
#about {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}
.about-left .label { display: block; margin-bottom: 16px; }
.about-left h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.15;
  margin-bottom: 24px;
}
.about-left p {
  color: var(--text-muted); font-size: 0.97rem;
  margin-bottom: 14px; line-height: 1.78;
}
.about-left p strong { color: var(--text); font-weight: 500; }
.about-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.about-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; color: var(--text-muted);
  transition: all 0.2s;
}
.about-link:hover {
  border-color: var(--primary); color: var(--primary-light);
  background: var(--primary-glow);
}
.skills-block { margin-top: 36px; }
.skills-block .label { display: block; margin-bottom: 16px; }
.skill-rows { display: flex; flex-direction: column; gap: 11px; }
.skill-row { display: flex; align-items: flex-start; gap: 14px; }
.skill-cat {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-dim); width: 84px; flex-shrink: 0;
  padding-top: 4px; text-align: right; line-height: 1.4;
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); border-radius: 100px;
  font-size: 12px; color: var(--text-muted);
  transition: all 0.2s;
}
.pill:hover {
  background: var(--primary-glow);
  border-color: rgba(139,92,246,0.3); color: var(--primary-light);
}

.about-right { display: flex; flex-direction: column; gap: 16px; }
.kpi-card {
  background: var(--surface2);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px;
  display: flex; align-items: center; gap: 18px;
  transition: border-color 0.25s, transform 0.25s;
}
.kpi-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.kpi-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.kpi-icon.v { background: rgba(139,92,246,0.14); color: var(--primary-light); }
.kpi-icon.g { background: rgba(52,211,153,0.12); color: var(--green); }
.kpi-icon.c { background: rgba(34,211,238,0.1); color: var(--cyan); }
.kpi-icon.o { background: rgba(251,191,36,0.1); color: var(--orange); }
.kpi-num {
  font-size: 1.65rem; font-weight: 700;
  letter-spacing: -0.04em; line-height: 1;
}
.kpi-num.v { color: var(--primary-light); }
.kpi-num.g { color: var(--green); }
.kpi-num.c { color: var(--cyan); }
.kpi-num.o { color: var(--orange); }
.kpi-desc { font-size: 13px; color: var(--text-muted); line-height: 1.45; margin-top: 3px; }

/* ── Services ── */
#services { background: var(--bg); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  will-change: transform;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent, var(--primary)), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.service-card:hover {
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.25), 0 0 0 1px rgba(139,92,246,0.08);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 50px; height: 50px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--accent, var(--primary-light));
}
.service-title {
  font-size: 1.02rem; font-weight: 600;
  letter-spacing: -0.02em; margin-bottom: 10px;
}
.service-desc {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.65; margin-bottom: 20px;
}
.service-pills { display: flex; flex-wrap: wrap; gap: 6px; }

/* ── Projects ── */
#projects {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.projects-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.project-card {
  background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px;
  position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  will-change: transform;
}
.project-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(139,92,246,0.04), transparent 60%);
  opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.project-card:hover {
  border-color: rgba(139,92,246,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 44px rgba(0,0,0,0.25);
}
.project-card:hover::after { opacity: 1; }
.project-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.project-co {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-dim); letter-spacing: 0.08em;
}
.badge-metric {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 100px;
  font-size: 11px; font-weight: 600;
}
.bm-green {
  background: rgba(52,211,153,0.11); color: var(--green);
  border: 1px solid rgba(52,211,153,0.2);
}
.bm-blue {
  background: rgba(139,92,246,0.12); color: var(--primary-light);
  border: 1px solid rgba(139,92,246,0.2);
}
.project-title {
  font-size: 1.15rem; font-weight: 600;
  letter-spacing: -0.02em; margin-bottom: 10px; line-height: 1.3;
}
.project-desc {
  font-size: 13.5px; color: var(--text-muted);
  line-height: 1.65; margin-bottom: 22px;
}
.project-pills { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }

/* Project expand/collapse */
.project-expand {
  display: flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-dim); letter-spacing: 0.08em;
  padding: 0; transition: color 0.2s;
}
.project-expand:hover { color: var(--primary-light); }
.project-expand svg { transition: transform 0.3s ease; }
.project-expand.expanded svg { transform: rotate(180deg); }
.project-details {
  overflow: hidden; max-height: 0;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}
.project-details.open { max-height: 200px; opacity: 1; }
.project-detail-row {
  margin-top: 16px; padding-top: 16px;
  border-top: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.project-detail-row dt {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 4px;
}
.project-detail-row dd { font-size: 13px; color: var(--text-muted); }

/* Wide project cards (span 2 columns) */
.project-card--wide { grid-column: span 2; }
.project-wide-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start;
  margin-top: 18px;
}
.project-feature-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.pf-item {
  background: rgba(139,92,246,0.05);
  border: 1px solid rgba(139,92,246,0.12);
  border-radius: var(--radius); padding: 14px 16px;
}
.pf-label {
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-dim); margin-bottom: 5px;
}
.pf-value { font-size: 13px; font-weight: 500; color: var(--text); line-height: 1.5; }
.bm-amber {
  background: rgba(251,191,36,0.12); color: #f59e0b;
  border: 1px solid rgba(251,191,36,0.25);
}

/* ── Contact ── */
#contact { background: var(--bg); }
.contact-wrap { max-width: 680px; margin: 0 auto; }
.contact-head { text-align: center; margin-bottom: 52px; }
.contact-head .label { display: block; margin-bottom: 12px; }
.contact-head h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 14px;
}
.contact-head p { color: var(--text-muted); font-size: 1rem; line-height: 1.7; }
.contact-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin-bottom: 44px;
}
.contact-card {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 22px 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); text-align: center;
  transition: all 0.25s; cursor: pointer;
}
.contact-card:hover {
  border-color: var(--primary);
  background: rgba(139,92,246,0.06);
  transform: translateY(-2px);
}
.cc-icon {
  width: 42px; height: 42px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
}
.cc-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase;
}
.cc-val { font-size: 12px; color: var(--text-muted); line-height: 1.4; }

.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-dim); letter-spacing: 0.1em;
}
.form-group input,
.form-group textarea {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 11px 15px;
  font-family: var(--font-sans); font-size: 14px;
  color: var(--text); outline: none;
  transition: border-color 0.2s; resize: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input.error,
.form-group textarea.error { border-color: #f87171; animation: shake 0.4s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}
.form-footer { display: flex; justify-content: center; margin-top: 6px; }
.form-status {
  text-align: center; font-size: 14px; margin-top: 8px; min-height: 20px;
  color: var(--text-muted);
}
.form-status.success { color: var(--green); }
.form-status.error { color: #f87171; }

/* Toast */
#toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 20px;
  font-size: 13px; color: var(--text);
  display: flex; align-items: center; gap: 8px;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 500; pointer-events: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast .toast-icon { color: var(--green); }

/* ── Footer ── */
footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
  text-align: center;
}
footer p {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-dim);
}
footer p em { color: var(--primary-light); font-style: normal; }

/* ── Back to top ── */
#back-to-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 400;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(16px);
  transition: all 0.3s ease;
  pointer-events: none;
}
#back-to-top.visible {
  opacity: 1; transform: translateY(0); pointer-events: all;
}
#back-to-top:hover {
  border-color: var(--primary); color: var(--primary-light);
  background: var(--primary-glow);
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.in { opacity: 1; transform: none; }

.stagger-grid > * {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.stagger-grid.in > * { opacity: 1; transform: none; }

/* ── Focus styles ── */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  section { padding: 80px 20px; }
  nav { padding: 16px 20px; }
  nav.scrolled { padding: 12px 20px; }
  .nav-links { display: none; }
  .lang-switcher { display: none; }
  .hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card--wide { grid-column: span 1; }
  .project-wide-layout { grid-template-columns: 1fr; gap: 20px; }
  .project-feature-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; flex-direction: column; }
  .hero-stat { border-right: none; border-bottom: 1px solid var(--border); padding: 0 0 16px 0; margin: 0; }
  .hero-stat:last-child { border-bottom: none; }
  #hero { padding: 120px 20px 80px; }
  #cursor-glow { display: none; }
  #back-to-top { bottom: 20px; right: 20px; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 100px 32px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .fade-up, .stagger-grid > * { opacity: 1; transform: none; }
}

/* ── Print ── */
@media print {
  nav, #cursor-glow, #progress-bar, #back-to-top, #toast,
  .orb, .particle, .hero-actions, .scroll-cue { display: none !important; }
  body { background: #fff; color: #000; }
  #hero { min-height: auto; padding: 40px 0; }
  section { page-break-inside: avoid; }
}