/* ───────────────────────────────────────────────────────────────────────────
   NURVYLA™ ROOT ACTIVATOR SHAMPOO
   Global Luxury Design System & Master Canvas Motion Framework
   Aesthetic: Luxury Beauty + Scalp Science + Editorial Minimalism
   ─────────────────────────────────────────────────────────────────────────── */

:root {
  --bg-near-black:   #050505;
  --bg-charcoal:     #0c0c0e;
  --bg-dark-navy:    #071A38;
  --bg-navy-deep:    #040e1e;
  --bg-navy-surface: #0a172c;
  --bg-ivory:        #F3E9D7;
  --bg-ivory-light:  #faf6ef;

  --gold-champagne:  #C99A45;
  --gold-soft:       #D4AF37;
  --gold-pale:       #E8D4A2;
  --gold-glow:       rgba(201, 154, 69, 0.25);

  --text-white:      #FFFFFF;
  --text-pure:       #FFFFFF;
  --text-muted:      rgba(245, 245, 243, 0.82);
  --text-dim:        rgba(245, 245, 243, 0.52);
  --text-navy:       #071A38;
  --text-navy-muted: rgba(7, 26, 56, 0.78);

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --header-height: 80px;
  --side-padding: clamp(1.5rem, 5vw, 5rem);
  --ease-luxury: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  font-size: 16px;
  background-color: var(--bg-near-black);
  color: var(--text-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html.lenis, html.lenis-smooth {
  height: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-near-black);
  color: var(--text-white);
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
}

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  touch-action: manipulation;
}

/* ── Typography ─────────────────────────────────────────────────────────── */
h1, h2, h3, h4, .editorial-heading {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-rendering: optimizeLegibility;
}

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-champagne);
  display: block;
  margin-bottom: 1.25rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}

/* ── Floating Navigation ───────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease-smooth), backdrop-filter 0.5s var(--ease-smooth), border-color 0.5s var(--ease-smooth);
  border-bottom: 1px solid transparent;
}

#nav.scrolled {
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(201, 154, 69, 0.2);
}

.nav-container {
  width: 100%;
  max-width: 1520px;
  margin: 0 auto;
  padding: 0 var(--side-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-logo-svg {
  height: 38px;
  width: auto;
  transition: opacity 0.3s ease;
}

.nav-logo-svg:hover {
  opacity: 0.85;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-white);
  opacity: 0.85;
  position: relative;
  padding: 0.5rem 0;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold-champagne);
  transition: width 0.3s var(--ease-smooth);
}

.nav-link:hover {
  opacity: 1;
  color: var(--gold-champagne);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.65rem 1.6rem;
  border: 1px solid rgba(201, 154, 69, 0.45);
  color: var(--gold-champagne);
  transition: all 0.35s var(--ease-luxury);
  border-radius: 1px;
}

.nav-cta:hover {
  background: var(--gold-champagne);
  color: var(--bg-near-black);
  border-color: var(--gold-champagne);
  box-shadow: 0 0 20px var(--gold-glow);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  z-index: 1002;
}

.nav-hamburger span {
  width: 100%;
  height: 1.5px;
  background: var(--text-white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ── Minimal Luxury Preloader ───────────────────────────────────────────── */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg-near-black);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.8s var(--ease-smooth), visibility 0.8s;
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-brand {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.35em;
  color: var(--gold-champagne);
  text-transform: uppercase;
  font-weight: 300;
}

.preloader-bar-wrap {
  width: 240px;
  height: 1px;
  background: rgba(201, 154, 69, 0.15);
  position: relative;
  overflow: hidden;
}

.preloader-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--gold-champagne);
  transition: width 0.2s linear;
  box-shadow: 0 0 10px var(--gold-champagne);
}

.preloader-status {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--gold-pale);
  text-transform: uppercase;
}

/* ── Single Master Canvas Container ─────────────────────────────────────── */
#canvas-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
  background: var(--bg-near-black);
}

#cinematic-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background: radial-gradient(circle at 50% 50%, rgba(5,5,5,0) 35%, rgba(5,5,5,0.65) 80%, rgba(5,5,5,0.92) 100%);
}

/* ── Main Cinematic Scroll Track (432 Frames Engine) ─────────────────────── */
#cinematic-track {
  position: relative;
  width: 100%;
  height: 750vh;
  z-index: 5;
}

.sticky-film-viewport {
  position: sticky;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  pointer-events: none;
}

.film-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  padding: 0 var(--side-padding);
  will-change: opacity, transform;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

#overlay-s1 {
  opacity: 1;
  visibility: visible;
}

/* ── High-Contrast Text Content Scrims (Guarantees Full Readability) ───── */
.film-content {
  pointer-events: auto;
  position: relative;
  will-change: transform, opacity;
  border-radius: 4px;
}

/* Left-aligned scene layout (e.g. Scene 2, 4) */
.align-left {
  justify-content: flex-start;
}

.align-left .film-content {
  max-width: clamp(400px, 42vw, 600px);
  background: linear-gradient(90deg, rgba(5, 5, 5, 0.90) 0%, rgba(5, 5, 5, 0.72) 75%, rgba(5, 5, 5, 0.2) 100%);
  padding: 2.5rem 3rem 2.5rem 2.5rem;
  border-left: 2px solid var(--gold-champagne);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

/* Right-aligned scene layout (e.g. Scene 3) */
.align-right {
  justify-content: flex-end;
}

.align-right .film-content {
  max-width: clamp(400px, 42vw, 600px);
  text-align: right;
  background: linear-gradient(270deg, rgba(5, 5, 5, 0.90) 0%, rgba(5, 5, 5, 0.72) 75%, rgba(5, 5, 5, 0.2) 100%);
  padding: 2.5rem 2.5rem 2.5rem 3rem;
  border-right: 2px solid var(--gold-champagne);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
}

/* Center-aligned scene layout (Scene 1, 5, 6) */
.align-center {
  justify-content: center;
}

.align-center .film-content {
  max-width: clamp(480px, 62vw, 860px);
  text-align: center;
  background: radial-gradient(circle at center, rgba(5, 5, 5, 0.88) 0%, rgba(5, 5, 5, 0.65) 70%, rgba(5, 5, 5, 0) 100%);
  padding: 3rem 3.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Cinematic Typography */
.film-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.2vw, 5.5rem);
  font-weight: 300;
  line-height: 1.04;
  color: var(--text-white);
  letter-spacing: -0.015em;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.9), 0 1px 4px rgba(0, 0, 0, 0.95);
}

.film-headline em {
  font-style: italic;
  color: var(--gold-pale);
  text-shadow: 0 0 20px rgba(232, 212, 162, 0.4);
}

.film-subcopy {
  font-size: clamp(1rem, 1.2vw, 1.25rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 520px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.9);
}

.align-center .film-subcopy {
  margin-left: auto;
  margin-right: auto;
}

.film-feature-block {
  margin-top: 1.5rem;
}

.feature-title {
  font-size: 1.8rem;
  color: var(--gold-champagne);
  font-family: var(--font-serif);
  font-weight: 400;
  margin-bottom: 0.5rem;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.8);
}

/* ── Scene 1 Scroll Indicator ────────────────────────────────────────────── */
.film-scroll-cue {
  position: absolute;
  bottom: 2.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  pointer-events: none;
  z-index: 12;
  transition: opacity 0.4s ease;
}

.cue-text {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-champagne);
  font-weight: 500;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}

.cue-line {
  width: 1px;
  height: 48px;
  background: rgba(201, 154, 69, 0.3);
  position: relative;
  overflow: hidden;
}

.cue-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--gold-champagne);
  animation: scrollDown 2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ── Scene 5: Ingredients HUD ───────────────────────────────────────────── */
.hud-quadrants {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

.hud-item {
  position: absolute;
  pointer-events: auto;
  background: rgba(5, 5, 5, 0.82);
  padding: 1rem 1.8rem;
  border-radius: 2px;
  border: 1px solid rgba(201, 154, 69, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  transition: opacity 0.4s ease, transform 0.4s ease;
  will-change: transform, opacity;
}

.hud-top-left {
  top: 20%;
  left: 6%;
  text-align: left;
}

.hud-top-right {
  top: 20%;
  right: 6%;
  text-align: right;
}

.hud-bottom-left {
  bottom: 20%;
  left: 6%;
  text-align: left;
}

.hud-bottom-right {
  bottom: 20%;
  right: 6%;
  text-align: right;
}

.hud-name {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.3vw, 2.4rem);
  font-weight: 300;
  color: var(--gold-champagne);
  display: block;
  letter-spacing: 0.02em;
}

.hud-sub {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-top: 0.3rem;
}

/* ── Scene 6: Finale Hero Styling ───────────────────────────────────────── */
.film-product-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-champagne);
  margin-bottom: 0.5rem;
}

.film-product-formula {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.film-cta-wrap {
  margin-bottom: 2.2rem;
}

.btn-luxury-gold {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 1.1rem 2.8rem;
  background: var(--gold-champagne);
  color: var(--bg-near-black);
  border: 1px solid var(--gold-champagne);
  transition: all 0.35s var(--ease-luxury);
  border-radius: 1px;
}

.btn-luxury-gold:hover {
  background: transparent;
  color: var(--gold-champagne);
  box-shadow: 0 0 25px var(--gold-glow);
}

.film-badges {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-pale);
}

/* ── Editorial Section Styling ──────────────────────────────────────────── */
.editorial-section {
  position: relative;
  z-index: 20;
  padding: clamp(6rem, 11vw, 10rem) var(--side-padding);
}

.section-navy {
  background: var(--bg-navy-deep);
  color: var(--text-white);
  border-top: 1px solid rgba(201, 154, 69, 0.15);
}

.section-charcoal {
  background: var(--bg-charcoal);
  color: var(--text-white);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.section-ivory {
  background: var(--bg-ivory);
  color: var(--text-navy);
}

.editorial-container {
  max-width: 1400px;
  margin: 0 auto;
}

.editorial-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.08;
  margin-bottom: 1.5rem;
}

.section-ivory .editorial-title {
  color: var(--text-navy);
}

.editorial-intro {
  font-size: 1.15rem;
  max-width: 680px;
  line-height: 1.8;
}

.section-ivory .editorial-intro {
  color: var(--text-navy-muted);
}

/* ── 1. Scalp Science 3 Pillars Grid ────────────────────────────────────── */
.science-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 3.5vw, 4rem);
  margin-top: 4.5rem;
}

.science-pillar-card {
  background: var(--bg-navy-surface);
  border: 1px solid rgba(201, 154, 69, 0.18);
  padding: 3rem 2.5rem;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease-smooth), border-color 0.4s ease, box-shadow 0.4s ease;
}

.science-pillar-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-champagne);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  color: var(--gold-champagne);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.pillar-title {
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pillar-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-pale);
  border-top: 1px solid rgba(201, 154, 69, 0.18);
  padding-top: 1rem;
}

/* ── 2. Active Ingredients Showcase Grid ────────────────────────────────── */
.ingredients-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 4.5rem;
}

.ingredient-item {
  background: #111114;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 2px;
  overflow: hidden;
  transition: transform 0.35s var(--ease-smooth), border-color 0.35s ease;
}

.ingredient-item:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 154, 69, 0.4);
}

.ingredient-thumb-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #000;
}

.ingredient-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth);
}

.ingredient-item:hover .ingredient-thumb {
  transform: scale(1.06);
}

.ingredient-details {
  padding: 1.8rem;
}

.ingredient-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-white);
  margin-bottom: 0.25rem;
}

.ingredient-category {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-champagne);
  display: block;
  margin-bottom: 0.8rem;
}

.ingredient-bio {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.65;
}

/* ── 3. 90-Day Hair Health Timeline ─────────────────────────────────────── */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 4.5rem;
}

.timeline-card {
  background: #ffffff;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(7, 26, 56, 0.06);
  transition: transform 0.35s var(--ease-smooth);
}

.timeline-card:hover {
  transform: translateY(-6px);
}

.timeline-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.timeline-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.timeline-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: var(--text-navy);
  color: var(--gold-pale);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  padding: 0.4rem 0.8rem;
}

.timeline-heading {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-navy);
  margin: 1.5rem 1.5rem 0.5rem;
}

.timeline-text {
  font-size: 0.9rem;
  color: var(--text-navy-muted);
  line-height: 1.65;
  margin: 0 1.5rem 1.8rem;
}

/* ── 4. Studio Product Gallery ──────────────────────────────────────────── */
.product-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 4.5rem;
}

.gallery-item {
  border: 1px solid rgba(201, 154, 69, 0.15);
  background: #000;
  overflow: hidden;
}

.gallery-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.7s var(--ease-smooth);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.04);
}

.gallery-caption {
  padding: 1.5rem;
  background: var(--bg-navy-surface);
}

.gallery-caption h4 {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--gold-pale);
  margin-bottom: 0.25rem;
}

.gallery-caption p {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ── 5. Ritual Steps Grid ───────────────────────────────────────────────── */
.ritual-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  margin-top: 4.5rem;
}

.ritual-card {
  border-top: 1px solid rgba(7, 26, 56, 0.15);
  padding-top: 2rem;
}

.ritual-number {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--gold-champagne);
  line-height: 1;
  margin-bottom: 1rem;
}

.ritual-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-navy);
  margin-bottom: 0.75rem;
}

.ritual-card-desc {
  font-size: 0.95rem;
  color: var(--text-navy-muted);
  line-height: 1.7;
}

/* ── 6. Free-From Row ───────────────────────────────────────────────────── */
.free-from-row {
  display: flex;
  justify-content: space-around;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.free-from-pill {
  text-align: center;
}

.pill-name {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-white);
  display: block;
}

.pill-desc {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-champagne);
  margin-top: 0.5rem;
}

/* ── 7. FAQ Accordion ───────────────────────────────────────────────────── */
.faq-accordion {
  max-width: 960px;
  margin: 0 auto;
  border-top: 1px solid rgba(201, 154, 69, 0.2);
}

.faq-item {
  border-bottom: 1px solid rgba(201, 154, 69, 0.2);
}

.faq-question {
  width: 100%;
  padding: 1.8rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 400;
  color: var(--text-white);
  transition: color 0.3s ease;
}

.faq-question:hover {
  color: var(--gold-champagne);
}

.faq-toggle {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--gold-champagne);
  margin-left: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-smooth), opacity 0.4s ease;
  opacity: 0;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  opacity: 1;
  padding-bottom: 1.8rem;
}

.faq-answer p {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ── 8. INCI Transparency ───────────────────────────────────────────────── */
.inci-container {
  background: rgba(7, 26, 56, 0.04);
  padding: 2.5rem;
  border-left: 2px solid var(--gold-champagne);
}

.inci-text {
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--text-navy-muted);
  letter-spacing: 0.02em;
}

/* ── Minimal Luxury Footer ──────────────────────────────────────────────── */
.luxury-footer {
  background: var(--bg-near-black);
  border-top: 1px solid rgba(201, 154, 69, 0.2);
  padding: 5rem var(--side-padding) 3.5rem;
  position: relative;
  z-index: 20;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2.2rem;
}

.footer-brandmark {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  letter-spacing: 0.3em;
  color: var(--gold-champagne);
  font-weight: 300;
}

.footer-tagline {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}

.footer-nav a {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.3s ease;
}

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

.footer-legal {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(245, 245, 243, 0.35);
  margin-top: 1rem;
}

/* ── Responsive Mobile Adaptations ──────────────────────────────────────── */
@media (max-width: 1200px) {
  .ingredients-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .align-left .film-content,
  .align-right .film-content {
    max-width: 55vw;
  }
  .science-pillars-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .product-gallery-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .ritual-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 5, 5, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease-smooth), visibility 0.4s ease;
    z-index: 1001;
  }
  .nav-menu.mobile-open {
    opacity: 1;
    visibility: visible;
  }
  .nav-menu.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
  .nav-menu.mobile-open .nav-link {
    font-size: 1.1rem;
    letter-spacing: 0.25em;
  }
  .nav-menu.mobile-open .nav-cta {
    display: inline-block;
    padding: 0.8rem 2.2rem;
    font-size: 0.85rem;
  }
  .nav-hamburger {
    display: flex;
  }
  .nav-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  .nav-hamburger.active span:nth-child(2) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  .align-left, .align-right {
    justify-content: center;
  }
  .align-left .film-content,
  .align-right .film-content,
  .align-center .film-content {
    max-width: 92vw;
    text-align: center;
    padding: 2rem 1.5rem;
    border-left: none;
    border-right: none;
    border-top: 2px solid var(--gold-champagne);
  }
  .film-headline {
    font-size: clamp(2.2rem, 8vw, 3.2rem);
  }
  .film-subcopy {
    font-size: 0.95rem;
  }
  .hud-quadrants {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    align-content: center;
    padding: 1.2rem;
  }
  .hud-item {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    padding: 0.8rem 0.6rem !important;
    text-align: center !important;
    background: rgba(5, 5, 5, 0.88) !important;
  }
  .hud-name {
    font-size: 1.05rem !important;
  }
  .hud-sub {
    font-size: 0.6rem !important;
  }
  .ingredients-showcase-grid {
    grid-template-columns: 1fr;
  }
  .timeline-grid {
    grid-template-columns: 1fr;
  }
  .ritual-steps-grid {
    grid-template-columns: 1fr;
  }
  .free-from-row {
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
  }
}