:root {
  --color-obsidian: #070707;
  --color-obsidian-card: #111111;
  --color-ivory: #F5F2EB;
  --color-ivory-dim: #A8A49C;
  --color-champagne: #C5A059;
  --color-champagne-light: #E0C58A;
  --color-border-subtle: rgba(245, 242, 235, 0.1);
  
  --font-serif: 'Playfair Display', 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  background-color: var(--color-obsidian);
  color: var(--color-ivory);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Header */
.aurelis-nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 7, 7, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.aurelis-brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-monogram {
  color: var(--color-champagne);
  font-size: 20px;
}

.brand-wordmark {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 4px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-ivory-dim);
  transition: color 0.25s ease;
}

.nav-links a:hover {
  color: var(--color-champagne);
}

/* Buttons */
.btn-champagne {
  background: transparent;
  color: var(--color-champagne);
  border: 1px solid var(--color-champagne);
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.btn-champagne:hover {
  background: var(--color-champagne);
  color: var(--color-obsidian);
}

/* Beat 1: Opening Hero */
.beat-hero {
  min-height: 100vh;
  padding: 140px 0 100px;
  display: flex;
  align-items: center;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-bottle-visual {
  width: 140px;
  height: 280px;
  margin: 0 auto 36px;
  background: linear-gradient(180deg, #1A1A1A 0%, #0A0A0A 100%);
  border: 1px solid rgba(197, 160, 89, 0.4);
  border-radius: 24px 24px 8px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 24px 12px;
  box-shadow: 0 20px 60px rgba(197, 160, 89, 0.12);
  position: relative;
}

.dropper-cap {
  width: 44px;
  height: 32px;
  background: var(--color-champagne);
  border-radius: 6px 6px 0 0;
}

.serum-label {
  font-family: var(--font-serif);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--color-champagne);
  text-align: center;
}

.beat-tag {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-champagne);
  margin-bottom: 14px;
}

.beat-hero-h1 {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.beat-hero-sub {
  font-size: 18px;
  color: var(--color-ivory-dim);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

/* Beat 2: The Problem */
.beat-problem {
  padding: 140px 0;
  text-align: center;
  background: radial-gradient(circle at center, rgba(197, 160, 89, 0.05), transparent 70%);
  border-bottom: 1px solid var(--color-border-subtle);
}

.problem-statement-1 {
  font-family: var(--font-serif);
  font-size: 38px;
  color: var(--color-ivory-dim);
  margin-bottom: 16px;
}

.problem-statement-2 {
  font-family: var(--font-serif);
  font-size: 52px;
  color: var(--color-champagne);
  font-weight: 600;
}

/* Beat 3: The Technology */
.beat-tech {
  padding: 120px 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.tech-panels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 50px;
}

.tech-panel {
  background: var(--color-obsidian-card);
  border: 1px solid var(--color-border-subtle);
  padding: 40px 30px;
  border-radius: 8px;
  transition: border-color 0.3s ease;
}

.tech-panel:hover {
  border-color: var(--color-champagne);
}

.panel-num {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-champagne);
  margin-bottom: 14px;
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 26px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.panel-desc {
  font-size: 14px;
  color: var(--color-ivory-dim);
  line-height: 1.8;
}

/* Beat 4: The Hero Product Sequence */
.beat-product {
  padding: 120px 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.product-sequence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin: 50px 0;
}

.sequence-card {
  background: var(--color-obsidian-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  padding: 32px 24px;
  text-align: center;
}

.sequence-visual {
  height: 180px;
  background: #141414;
  border-radius: 6px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-subtle);
}

.sequence-step {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--color-champagne);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.sequence-title {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 8px;
}

.sequence-desc {
  font-size: 13px;
  color: var(--color-ivory-dim);
}

/* Beat 5: The Radial / Horizontal Flow System */
.beat-system {
  padding: 120px 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border-subtle);
}

.flow-diagram-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 50px 0 20px;
}

.flow-node {
  background: var(--color-obsidian-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: 8px;
  padding: 28px 16px;
  position: relative;
}

.flow-node .node-num {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--color-champagne);
  margin-bottom: 8px;
}

.flow-node h4 {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.flow-node p {
  font-size: 12px;
  color: var(--color-ivory-dim);
}

.phase-note {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--color-champagne);
  margin-top: 20px;
}

/* Beat 6: Ritual Proof & Formula Statement */
.beat-proof {
  padding: 130px 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border-subtle);
}

.proof-quote {
  font-family: var(--font-serif);
  font-size: 46px;
  line-height: 1.25;
  color: var(--color-ivory);
  max-width: 820px;
  margin: 0 auto 50px;
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}

.ingredient-item {
  border-top: 1px solid var(--color-champagne);
  padding-top: 18px;
}

.ingredient-item h5 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 6px;
}

.ingredient-item p {
  font-size: 13px;
  color: var(--color-ivory-dim);
}

/* Beat 7: Final Scene */
.beat-final {
  padding: 160px 0 120px;
  text-align: center;
  background: radial-gradient(circle at center, rgba(197, 160, 89, 0.08), transparent 70%);
}

.final-statement {
  font-family: var(--font-serif);
  font-size: 48px;
  line-height: 1.2;
  margin-bottom: 30px;
}

.final-wordmark {
  font-family: var(--font-serif);
  font-size: 32px;
  letter-spacing: 8px;
  color: var(--color-champagne);
  margin-bottom: 40px;
}

/* Footer */
.aurelis-footer {
  border-top: 1px solid var(--color-border-subtle);
  padding: 40px 0;
  text-align: center;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--color-ivory-dim);
}

/* Cinematic Scroll Reveals */
.cinematic-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.cinematic-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .tech-panels-grid { grid-template-columns: 1fr; }
  .product-sequence-grid { grid-template-columns: 1fr; }
  .flow-diagram-row { grid-template-columns: 1fr 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .beat-hero-h1 { font-size: 42px; }
  .proof-quote { font-size: 28px; }
  .final-statement { font-size: 32px; }
}