/* ═══════════════════════════════════════════════════════
   LAMBORGHINI HURACÁN STO — CINEMATIC EXPERIENCE
   style.css
═══════════════════════════════════════════════════════ */

:root {
  --gold: #c9a227;
  --gold-light: #f0c040;
  --orange: #ff6b00;
  --red: #e01e37;
  --bg: #050507;
  --bg2: #08080f;
  --surface: #0d0d1a;
  --text: #f0f0f5;
  --text-dim: #888899;
  --accent: #ffd000;
  --glow-orange: rgba(255, 107, 0, 0.6);
  --glow-gold: rgba(201, 162, 39, 0.5);
  --font-head: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
  --font-text: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
}

/* ─── Custom Cursor ─────────────────────────── */
body::after {
  content: '';
  position: fixed;
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: difference;
  left: var(--cx, 50%);
  top: var(--cy, 50%);
}
body::before {
  content: '';
  position: fixed;
  width: 40px; height: 40px;
  border: 1.5px solid rgba(255, 208, 0, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: left 0.15s ease, top 0.15s ease;
  left: var(--cx, 50%);
  top: var(--cy, 50%);
}

/* ─── Loader ─────────────────────────────────── */
#loader {
  position: fixed; inset: 0;
  background: #000;
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-inner { text-align: center; }

.loader-logo {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: 0.3em;
  color: var(--gold);
  text-shadow: 0 0 40px var(--gold), 0 0 80px var(--gold-light);
  animation: logoPulse 1.5s ease-in-out infinite;
  margin-bottom: 2rem;
}

@keyframes logoPulse {
  0%, 100% { text-shadow: 0 0 40px var(--gold), 0 0 80px var(--gold-light); }
  50% { text-shadow: 0 0 80px var(--gold), 0 0 160px var(--gold-light), 0 0 200px #fff; }
}

.loader-bar-wrap {
  width: 300px; height: 2px;
  background: rgba(255,255,255,0.1);
  margin: 0 auto 1rem;
  position: relative;
  overflow: hidden;
}
.loader-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--orange), var(--gold));
  background-size: 200%;
  width: 0%;
  transition: width 0.05s linear;
  animation: shimmer 1.5s linear infinite;
}
@keyframes shimmer { 0% { background-position: 0% } 100% { background-position: 200% } }

.loader-percent {
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
}

/* ─── Navbar ─────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 3rem;
  background: linear-gradient(to bottom, rgba(5,5,7,0.95), transparent);
  backdrop-filter: blur(4px);
  transition: background 0.3s;
}
#navbar.scrolled { background: rgba(5,5,7,0.97); }

.nav-brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-head);
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  color: var(--gold);
}
.nav-bull { font-size: 1.2rem; }

.nav-links {
  display: flex; list-style: none; gap: 2rem;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s, text-shadow 0.3s;
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.nav-link:hover, .nav-link.active { color: var(--gold); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-speed {
  font-family: var(--font-head);
  font-size: 0.82rem;
  color: var(--orange);
  letter-spacing: 0.1em;
  min-width: 90px;
  text-align: right;
}

/* ─── Scroll Progress ─────────────────────────── */
#scrollProgress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 600;
}
#scrollBar {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--orange));
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--orange);
}

/* ─── Canvas ─────────────────────────────────── */
#canvasContainer {
  position: fixed; inset: 0; z-index: 1;
  pointer-events: none;
}
#mainCanvas {
  width: 100%; height: 100%;
  display: block;
}

/* ─── Sections ─────────────────────────────────── */
.section {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  padding: 8rem 3rem;
}

/* ─── Hero ─────────────────────────────────────── */
.hero-section {
  flex-direction: column;
  align-items: flex-start;
  padding-left: clamp(2rem, 8vw, 10rem);
}

.hero-content { max-width: 650px; }

.hero-sub {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.5em;
  color: var(--gold);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 1.5s forwards;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 0 80px rgba(255,255,255,0.1);
  opacity: 0;
  animation: fadeSlideUp 0.9s ease 1.7s forwards;
}
.hero-accent {
  color: var(--gold);
  text-shadow: 0 0 60px rgba(201,162,39,0.8), 0 0 120px rgba(201,162,39,0.4);
}

.hero-desc {
  font-family: var(--font-text);
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin: 1.5rem 0 2.5rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 2s forwards;
}

.hero-stats {
  display: flex; align-items: center; gap: 2rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 2.2s forwards;
}
.stat { text-align: center; }
.stat-val {
  display: block;
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-top: 0.3rem;
}
.stat-divider { width: 1px; height: 50px; background: rgba(255,255,255,0.15); }

.hero-cta {
  display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem;
  opacity: 0;
  animation: fadeSlideUp 0.8s ease 2.4s forwards;
}
.scroll-hint {
  font-family: var(--font-head);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--text-dim);
}
.scroll-arrow {
  width: 20px; height: 30px;
  border-left: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(-45deg) translateX(5px);
  animation: arrowBounce 1.5s ease-in-out infinite;
}
@keyframes arrowBounce {
  0%, 100% { transform: rotate(-45deg) translateX(5px) translateY(0); }
  50% { transform: rotate(-45deg) translateX(5px) translateY(8px); }
}

.hero-side-label {
  position: absolute; right: -3rem; top: 50%;
  transform: rotate(90deg) translateX(-50%);
  font-family: var(--font-head);
  font-size: 0.6rem;
  letter-spacing: 0.5em;
  color: rgba(255,255,255,0.1);
  white-space: nowrap;
  pointer-events: none;
}

/* ─── Component Sections ─────────────────────── */
.component-section { overflow: hidden; }

.component-content {
  position: relative;
  max-width: 600px;
  z-index: 2;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.component-content.visible { opacity: 1; transform: translateY(0); }
.component-content.left { align-self: flex-start; margin-left: clamp(2rem, 8vw, 10rem); }
.component-content.right { align-self: flex-end; margin-right: clamp(2rem, 8vw, 10rem); }

.comp-number {
  font-family: var(--font-head);
  font-size: 5rem;
  font-weight: 900;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  margin-bottom: -1rem;
  user-select: none;
  letter-spacing: -0.05em;
}

.comp-tag {
  font-family: var(--font-head);
  font-size: 0.6rem;
  letter-spacing: 0.5em;
  color: var(--gold);
  margin-bottom: 0.8rem;
}

.comp-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 0 40px rgba(255,255,255,0.1);
  margin-bottom: 1.2rem;
}

.comp-desc {
  font-family: var(--font-text);
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.comp-specs { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; }
.spec-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.88rem;
}
.spec-key { color: var(--text-dim); letter-spacing: 0.05em; }
.spec-val { color: var(--gold); font-family: var(--font-head); font-size: 0.78rem; letter-spacing: 0.1em; }

/* ─── Section Glow Effects ─────────────────────── */
.section-glow {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  opacity: 0; transition: opacity 1.5s ease;
}
.section-glow.visible { opacity: 1; }

.engine-glow {
  background: radial-gradient(ellipse at 70% 50%, rgba(255,100,0,0.15) 0%, transparent 70%);
}
.aero-glow {
  background: radial-gradient(ellipse at 30% 50%, rgba(0,150,255,0.12) 0%, transparent 70%);
}
.wheels-glow {
  background: radial-gradient(ellipse at 70% 60%, rgba(255,208,0,0.12) 0%, transparent 70%);
}
.interior-glow {
  background: radial-gradient(ellipse at 30% 50%, rgba(120,0,220,0.12) 0%, transparent 70%);
}
.exhaust-glow {
  background: radial-gradient(ellipse at 70% 50%, rgba(255,50,0,0.18) 0%, transparent 70%);
}

/* ─── Finale Section ─────────────────────────── */
.finale-section { flex-direction: column; text-align: center; position: relative; overflow: hidden; }

.finale-bg-text {
  position: absolute;
  font-family: var(--font-head);
  font-size: clamp(5rem, 15vw, 16rem);
  font-weight: 900;
  color: rgba(255,255,255,0.02);
  letter-spacing: 0.1em;
  pointer-events: none;
  white-space: nowrap;
  top: 50%; transform: translateY(-50%);
  width: 100%; text-align: center;
}

.finale-sub {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--gold);
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: none;
}
.finale-sub.visible { animation: fadeSlideUp 0.8s ease forwards; }

.finale-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 1;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
}
.finale-title.visible { animation: fadeSlideUp 0.9s ease 0.2s forwards; }
.finale-accent { color: var(--gold); }

.finale-desc {
  font-family: var(--font-text);
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 3rem;
  opacity: 0;
}
.finale-desc.visible { animation: fadeSlideUp 0.8s ease 0.4s forwards; }

.cta-btn {
  display: inline-flex; align-items: center; gap: 1rem;
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  padding: 1rem 2.5rem;
  cursor: none;
  position: relative;
  overflow: hidden;
  transition: color 0.4s, text-shadow 0.4s;
  opacity: 0;
}
.cta-btn.visible { animation: fadeSlideUp 0.8s ease 0.6s forwards; }
.cta-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
  z-index: -1;
}
.cta-btn:hover { color: #000; }
.cta-btn:hover::before { transform: scaleX(1); }
.btn-arrow {
  width: 20px; height: 20px;
  stroke: currentColor; stroke-width: 2;
  fill: none; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.3s;
}
.cta-btn:hover .btn-arrow { transform: translateX(4px); }

/* ─── Speed Overlay ─────────────────────────── */
.speed-overlay {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 400;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}
.speed-overlay.visible { opacity: 1; }

.speed-gauge { position: relative; width: 200px; height: 200px; }
#gaugeCanvas { width: 100%; height: 100%; }
.speed-display {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
#speedNum {
  display: block;
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.speed-unit {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

/* ─── Part Tooltip ──────────────────────────── */
.part-tooltip {
  position: fixed;
  background: rgba(5,5,7,0.95);
  border: 1px solid var(--gold);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  pointer-events: none;
  z-index: 600;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}
.part-tooltip.visible { opacity: 1; transform: translateY(0); }

/* ─── Animations ─────────────────────────────── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Particles Overlay ─────────────────────── */
.particle-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 2;
  overflow: hidden;
}

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

/* ─── Responsive ─────────────────────────────── */
@media (max-width: 768px) {
  #navbar { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .hero-section { padding-left: 1.5rem; }
  .component-content.left { margin-left: 1.5rem; }
  .component-content.right { margin-right: 1.5rem; }
  .hero-stats { gap: 1rem; }
  .stat-val { font-size: 1.8rem; }
}