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

:root {
  --bg:        #08090c;
  --bg-2:      #0d0f14;
  --bg-3:      #111419;
  --surface:   #161a22;
  --surface-2: #1c2130;
  --border:    rgba(255,255,255,0.07);
  --border-2:  rgba(255,255,255,0.12);

  --accent:    #00d4ff;
  --accent-2:  #0099bb;
  --accent-glow: rgba(0,212,255,0.15);
  --orange:    #ff6b35;
  --orange-glow: rgba(255,107,53,0.15);

  --text:      #e8eaf0;
  --text-2:    #8b91a3;
  --text-3:    #555d70;

  --font-display: 'Orbitron', monospace;
  --font-ui:      'Rajdhani', sans-serif;
  --font-body:    'Inter', sans-serif;

  --nav-h:     70px;
  --radius:    12px;
  --radius-lg: 20px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-2); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent), #7b61ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.label-line {
  width: 32px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
  border-radius: 1px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.section-sub {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 560px;
  margin-top: 0.8rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .section-label { justify-content: center; }
.section-header .section-sub { margin: 0.8rem auto 0; }

.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-card {
  opacity: 0;
  transform: translateY(60px) scale(0.97);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-card.visible {
  opacity: 1;
  transform: none;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  transform: translateX(-110%) skewX(-20deg);
  transition: transform 0.35s ease;
}
.btn-primary:hover::before { transform: translateX(110%) skewX(-20deg); }
.btn-primary:hover {
  background: #19e5ff;
  box-shadow: 0 0 32px rgba(0,212,255,0.4);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  background: transparent;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border-2);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
#main-nav.scrolled {
  background: rgba(8,9,12,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  cursor: pointer;
  user-select: none;
}
.logo-bracket { color: var(--accent); }
.logo-text { color: var(--text); }
.logo-accent { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2.5rem;
}
.nav-link {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

.nav-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

.carplay-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.carplay-overlay.active {
  pointer-events: all;
  opacity: 1;
}

.carplay-screen {
  width: min(540px, 92vw);
  background: rgba(10,12,18,0.97);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(0,212,255,0.15),
    0 40px 100px rgba(0,0,0,0.8),
    inset 0 1px 0 rgba(255,255,255,0.08);
  transform: scale(0.6) translateY(40px);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(30px);
}
.carplay-overlay.active .carplay-screen {
  transform: scale(1) translateY(0);
}

.carplay-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.carplay-time {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
}
.carplay-icons {
  display: flex;
  gap: 10px;
  color: var(--text-2);
}

.carplay-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 24px 20px;
}

.carplay-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 14px 10px;
  border-radius: 16px;
  transition: background 0.2s, transform 0.15s;
  user-select: none;
}
.carplay-app:hover { background: rgba(255,255,255,0.05); }
.carplay-app:active { transform: scale(0.93); }

.app-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: box-shadow 0.2s, transform 0.2s;
}
.carplay-app:hover .app-icon {
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
  transform: translateY(-2px);
}

.carplay-app span {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-2);
  text-align: center;
  letter-spacing: 0.02em;
}

.carplay-dock {
  display: flex;
  justify-content: space-around;
  padding: 14px 28px 20px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.carplay-dock-item {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--text-2);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.carplay-dock-item:hover { color: var(--text); background: rgba(255,255,255,0.06); }

.carplay-overlay::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(4,5,8,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity 0.3s;
  opacity: 0;
}
.carplay-overlay.active::before { opacity: 1; }

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  padding: var(--nav-h) clamp(1.5rem, 6vw, 8rem) 4rem;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 100px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease both;
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 8px var(--accent); transform: scale(1); }
  50% { box-shadow: 0 0 16px var(--accent), 0 0 24px rgba(0,212,255,0.3); transform: scale(1.2); }
}

.hero-title {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
}

.hero-line {
  display: block;
  color: var(--text);
  opacity: 0;
  transform: translateX(-30px);
  animation: slideIn 0.7s ease both;
}
.hero-line:nth-child(1) { animation-delay: 0.2s; }
.hero-line:nth-child(2) { animation-delay: 0.35s; }
.hero-line:nth-child(3) { animation-delay: 0.5s; }

.hero-line-accent {
  color: transparent;
  -webkit-text-stroke: 2px var(--accent);
  text-stroke: 2px var(--accent);
  position: relative;
}
.hero-line-accent::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  background: linear-gradient(90deg, var(--accent) 0%, #7b61ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.25;
  filter: blur(12px);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  color: var(--text-2);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 520px;
  opacity: 0;
  animation: fadeInDown 0.7s 0.65s ease both;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInDown 0.7s 0.8s ease both;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s 1.5s infinite;
}
.scroll-arrow svg { stroke: var(--text-3); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.hero-stats {
  position: absolute;
  bottom: 0;
  right: clamp(1.5rem, 6vw, 8rem);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 1.5rem 0;
  opacity: 0;
  animation: fadeInDown 0.7s 1s ease both;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 2rem;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.7;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-2);
}

.brand-strip {
  overflow: hidden;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.brand-track {
  display: flex;
  gap: 0;
  white-space: nowrap;
  animation: marquee 22s linear infinite;
}
.brand-track span {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-3);
  padding: 0 1.5rem;
  text-transform: uppercase;
}
.brand-track .sep {
  color: var(--accent);
  opacity: 0.4;
  padding: 0;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.about-section {
  padding: 9rem 0;
  position: relative;
  overflow: hidden;
}

.section-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-3d-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border-2);
  box-shadow:
    0 0 0 1px rgba(0,212,255,0.08),
    0 30px 80px rgba(0,0,0,0.5);
}

#about-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

.viewer-label {
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 4px 10px;
  border-radius: 4px;
  z-index: 2;
}

.viewer-controls-hint {
  position: absolute;
  bottom: 14px;
  right: 14px;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-3);
  z-index: 2;
}

.about-glow-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.about-text { padding: 2rem 0; }

.about-desc {
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2rem;
}

.skill-tag {
  padding: 7px 16px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 6px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-2);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  cursor: default;
}
.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.portfolio-section {
  padding: 8rem 0 10rem;
  background: var(--bg-2);
  position: relative;
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}
.filter-btn {
  padding: 9px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover {
  border-color: var(--border-2);
  color: var(--text);
}
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(0,212,255,0.25);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2rem;
}

.vehicle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.vehicle-card:hover {
  border-color: rgba(0,212,255,0.25);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,212,255,0.1);
}
.vehicle-card.hidden { display: none; }

.card-3d-viewer {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--bg-3);
  overflow: hidden;
  cursor: grab;
}
.card-3d-viewer:active { cursor: grabbing; }

.model-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
}

.model-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--text-3);
  pointer-events: none;
}
.model-placeholder.hidden { display: none; }

.placeholder-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder-icon svg { opacity: 0.4; }

.model-placeholder span {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card-viewer-ui {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}
.card-viewer-ui > * { pointer-events: all; }

.viewer-fullscreen-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border-2);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s, color 0.2s, background 0.2s;
  opacity: 0;
  transform: scale(0.8);
}
.vehicle-card:hover .viewer-fullscreen-btn {
  opacity: 1;
  transform: scale(1);
}
.viewer-fullscreen-btn:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.viewer-interaction-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  background: rgba(0,0,0,0.5);
  padding: 4px 10px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  white-space: nowrap;
}
.vehicle-card:hover .viewer-interaction-hint { opacity: 1; }

.card-info { padding: 1.4rem; flex: 1; display: flex; flex-direction: column; }

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.card-tag {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 3px 10px;
  border-radius: 4px;
}

.card-polys {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.card-desc {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
}

.card-footer { margin-top: 1.2rem; }

.card-features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.card-features span {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
}

.fullscreen-viewer {
  position: fixed;
  inset: 0;
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.fullscreen-viewer.active {
  pointer-events: all;
  opacity: 1;
}

.fv-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4,5,8,0.95);
  backdrop-filter: blur(16px);
}

.fv-screen {
  position: relative;
  width: min(1400px, 96vw);
  height: min(900px, 92vh);
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0,0,0,0.8), 0 0 0 1px rgba(0,212,255,0.1);
  transform: scale(0.92);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}
.fullscreen-viewer.active .fv-screen { transform: scale(1); }

.fv-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.fv-title-wrap { display: flex; align-items: center; gap: 12px; }

.fv-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 3px 8px;
  border-radius: 4px;
}

.fv-model-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.fv-close {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.fv-close:hover { background: #ff3b3b22; border-color: #ff3b3b44; color: #ff3b3b; }

#fv-canvas {
  flex: 1;
  width: 100%;
  cursor: grab;
}
#fv-canvas:active { cursor: grabbing; }

.fv-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.fv-control-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.fv-lighting-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  padding: 6px 14px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.fv-lighting-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.fv-lighting-toggle.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.fv-lighting-panel {
  position: absolute;
  top: 56px;
  right: 16px;
  z-index: 20;
  width: 280px;
  background: rgba(14,16,22,0.97);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,212,255,0.08);
  backdrop-filter: blur(12px);
  display: none;
  flex-direction: column;
  gap: 10px;
}
.fv-lighting-panel.visible {
  display: flex;
  animation: lightingPanelIn 0.25s ease both;
}
@keyframes lightingPanelIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.fv-lighting-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.fv-lighting-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  gap: 8px;
}

.fv-lighting-row label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-2);
  white-space: nowrap;
}

.fv-lighting-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--surface-2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.fv-lighting-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 6px rgba(0,212,255,0.4);
  cursor: pointer;
  transition: box-shadow 0.2s;
}
.fv-lighting-row input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 12px rgba(0,212,255,0.6);
}
.fv-lighting-row input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 6px rgba(0,212,255,0.4);
  cursor: pointer;
}

.fv-lighting-row input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 0;
  cursor: pointer;
  background: none;
  overflow: hidden;
}
.fv-lighting-row input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}
.fv-lighting-row input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 3px;
}
.fv-lighting-row input[type="color"]::-moz-color-swatch {
  border: none;
  border-radius: 3px;
}

.fv-lighting-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.fv-preset-btn {
  padding: 5px 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  text-align: center;
}
.fv-preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.process-section {
  padding: 8rem 0;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.process-step {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  position: relative;
}

.step-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 1.2rem;
}

.step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  color: var(--accent);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.process-step:hover .step-icon {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-glow);
  background: var(--accent-glow);
}

.process-step h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.8rem;
}
.process-step p {
  color: var(--text-2);
  font-size: 0.88rem;
  line-height: 1.7;
}

.process-connector {
  flex: 0 0 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--border-2), var(--accent), var(--border-2));
  margin-top: 5rem;
  opacity: 0.4;
  align-self: flex-start;
  min-width: 40px;
}

.contact-section {
  padding: 9rem 0 8rem;
  position: relative;
  background: var(--bg-2);
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: start;
}

.contact-desc {
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.contact-channel:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
  transform: translateX(4px);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.channel-icon.discord { background: linear-gradient(135deg, #5865f2, #7289da); }
.channel-icon.cfx     { background: linear-gradient(135deg, #05c0f4, #3564ff); }
.channel-icon.tebex   { background: linear-gradient(135deg, #5865f2, #7289da); }

.channel-text { flex: 1; }
.channel-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 2px;
}
.channel-value {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.channel-arrow {
  color: var(--text-3);
  flex-shrink: 0;
  transition: color 0.2s, transform 0.2s;
}
.contact-channel:hover .channel-arrow { color: var(--accent); transform: translateX(3px); }

.contact-form-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.93rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--surface); }

.form-submit { width: 100%; justify-content: center; margin-top: 0.4rem; }

.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo { font-family: var(--font-display); font-size: 1rem; font-weight: 900; letter-spacing: 0.1em; }

.footer-tagline {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.reviews-section {
  padding: 8rem 0;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.reviews-actions-bottom {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

.review-write-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--border-2);
  border-radius: 6px;
  color: var(--text-3);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.review-write-sm:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.reviews-empty {
  text-align: center;
  color: var(--text-3);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  padding: 4rem 0;
}

.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.25s, transform 0.3s, box-shadow 0.3s;
}
.review-card:hover {
  border-color: rgba(0,212,255,0.2);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(0,212,255,0.08);
}

.review-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.review-card-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--border-2);
  object-fit: cover;
  flex-shrink: 0;
}

.review-card-user-info {
  flex: 1;
  min-width: 0;
}

.review-card-name {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.review-card-date {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.05em;
}

.review-card-stars {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.review-card-stars .star-filled {
  fill: var(--accent);
}

.review-card-stars .star-empty {
  fill: none;
  stroke: var(--text-3);
  stroke-width: 1.5;
}

.review-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.review-card-message {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.7;
}

.review-modal {
  position: fixed;
  inset: 0;
  z-index: 8500;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.review-modal.active {
  pointer-events: all;
  opacity: 1;
}

.review-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4,5,8,0.92);
  backdrop-filter: blur(12px);
}

.review-modal-screen {
  position: relative;
  width: min(480px, 94vw);
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 40px 100px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,212,255,0.1);
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.review-modal.active .review-modal-screen {
  transform: scale(1) translateY(0);
}

.review-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.review-modal-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-modal-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  object-fit: cover;
}

.review-modal-username {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.review-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.review-stars-select {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.star-select-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: transform 0.15s;
  color: var(--text-3);
}
.star-select-btn:hover {
  transform: scale(1.15);
}
.star-select-btn svg {
  fill: none;
  stroke: var(--text-3);
  stroke-width: 1.5;
  transition: fill 0.15s, stroke 0.15s;
}
.star-select-btn.active svg {
  fill: var(--accent);
  stroke: var(--accent);
}

.review-star-label {
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  min-height: 1.2em;
}

.auth-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 9999;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  white-space: nowrap;
}
.auth-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.auth-toast.success {
  background: rgba(86,171,47,0.9);
  border: 1px solid rgba(86,171,47,0.4);
  backdrop-filter: blur(8px);
}
.auth-toast.error {
  background: rgba(255,59,59,0.9);
  border: 1px solid rgba(255,59,59,0.4);
  backdrop-filter: blur(8px);
}

@media (max-width: 1024px) {
  .about-layout { grid-template-columns: 1fr; gap: 3rem; }
  .about-3d-container { max-width: 380px; margin: 0 auto; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .hero-stats { display: none; }
  .process-connector { display: none; }
  .process-steps { gap: 1.5rem; }
}

@media (max-width: 768px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-line-accent { -webkit-text-stroke: 1px var(--accent); }
  .hero-cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .carplay-grid { grid-template-columns: repeat(2, 1fr); }
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent) 30%,
    var(--accent) 70%,
    transparent 100%
  );
  opacity: 0.25;
}

#hero-canvas::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
}

.nav-flash {
  position: fixed;
  inset: 0;
  z-index: 9990;
  background: var(--accent);
  pointer-events: none;
  opacity: 0;
}
.nav-flash.flash {
  animation: navFlash 0.5s ease forwards;
}
@keyframes navFlash {
  0%   { opacity: 0; }
  20%  { opacity: 0.08; }
  100% { opacity: 0; }
}