/* ============================================================
   HT CONFORT — Scroll-Driven Animated Website
   Charte MYconfort : crème #F2EFE2 · vert #477A0C · texte #14281D
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ── CUSTOM PROPERTIES ──────────────────────────────────────── */
:root {
  --bg:           #F2EFE2;
  --charcoal:     #14281D;
  --bamboo:       #477A0C;
  --bamboo-dark:  #365c08;
  --cream:        #E8E4D4;
  --white:        #FDFAF7;
  --text-muted:   #5a6b55;

  --hero-size:    10rem;
  --h2-size:      2.4rem;
  --marquee-size: 0.8rem;
  --label-size:   0.72rem;
  --body-size:    1.1rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-base:   600ms;
  --t-slow:   900ms;
}

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

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--charcoal);
  font-family: 'Inter', sans-serif;
  overflow: hidden; /* Lenis controls scroll */
  -webkit-font-smoothing: antialiased;
}

/* ── LOADER ─────────────────────────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--charcoal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 600ms ease, visibility 600ms ease;
}

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

#loader-brand {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 0.8rem;
  letter-spacing: 0.5em;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
}

#loader-bar-track {
  width: min(320px, 60vw);
  height: 1px;
  background: rgba(255,255,255,0.12);
  position: relative;
  overflow: hidden;
}

#loader-bar-fill {
  position: absolute;
  inset: 0;
  background: var(--bamboo);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 80ms linear;
}

#loader-percent {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.28);
  font-variant-numeric: tabular-nums;
}

/* ── HEADER ─────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0.5rem 5vw;
  pointer-events: none;
  background: #477A0C;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: auto;
}

.header-logo {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.header-logo-img {
  height: 90px;
  width: auto;
  display: block;
  filter: none;
}

.header-logo span {
  font-weight: 300;
}

.header-nav {
  display: flex;
  gap: 1.6rem;
}

.header-nav a {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  opacity: 0.85;
  transition: opacity 250ms ease;
}

.header-nav a:hover { opacity: 1; }

/* ── CANVAS WRAP ────────────────────────────────────────────── */
#canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 1;
  -webkit-clip-path: circle(0% at 50% 50%);
  clip-path: circle(0% at 50% 50%);
  will-change: clip-path;
}

#main-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ── DARK OVERLAY ───────────────────────────────────────────── */
#dark-overlay {
  position: fixed;
  inset: 0;
  z-index: 9;
  background: #1a1208;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}

/* ── MARQUEE ────────────────────────────────────────────────── */
#marquee-wrap {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 11;
  overflow: hidden;
  padding: 1.6rem 0;
  border-top: 1px solid rgba(44,44,44,0.10);
  background: var(--bg);
  opacity: 0;
  transition: opacity 400ms ease;
  pointer-events: none;
}

#marquee-wrap.visible {
  opacity: 1;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-loop 20s linear infinite;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-right: 2rem;
  font-family: 'Inter', sans-serif;
  font-size: var(--marquee-size);
  font-style: italic;
  font-weight: 400;
  color: var(--charcoal);
  white-space: nowrap;
  line-height: 1;
}

.marquee-content .dot {
  color: var(--bamboo);
  font-style: normal;
}

@keyframes marquee-loop {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── SCROLL CONTAINER ───────────────────────────────────────── */
#scroll-container {
  height: 1600vh;
  position: relative;
}

/* ── SECTIONS (sticky) ──────────────────────────────────────── */
section {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  z-index: 10;
  pointer-events: none;
}

section.is-active {
  pointer-events: auto;
}

/* Hero: solid bg that hides canvas until it reveals */
#hero {
  z-index: 12;
  background: var(--bg);
}

.section-inner {
  width: 100%;
  padding: 0 5vw;
}

/* All text blocks pinned to left — canvas (matelas) stays visible on right */
.align-left  { padding-right: 60vw; }
.align-right { padding-left: 5vw; padding-right: 60vw; }

/* Frosted glass panel — visible only when section is active */
.section-inner {
  position: relative;
}
.section-inner::before {
  content: '';
  position: absolute;
  top: -1.2rem;
  bottom: -1.2rem;
  left: -1rem;
  right: 68vw;
  background: rgba(242, 239, 226, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 6px;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 500ms ease;
}
section.is-active .section-inner::before {
  opacity: 1;
}

.align-center {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 5vw;
}

/* ── TYPOGRAPHY ─────────────────────────────────────────────── */
.section-label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: var(--label-size);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--bamboo);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
}

.section-label.light { color: rgba(255,255,255,0.45); }

h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: var(--hero-size);
  line-height: 0.90;
  letter-spacing: -0.025em;
  color: var(--charcoal);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
  transition-delay: 80ms;
}

h2 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: var(--h2-size);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
  transition-delay: 80ms;
}

.hero-tagline {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(44,44,44,0.5);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
  transition-delay: 160ms;
}

.section-body {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: var(--body-size);
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 38ch;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
  transition-delay: 160ms;
}

.section-note {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--bamboo);
  margin-top: 1.5rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
  transition-delay: 240ms;
}

/* ── SCROLL HINT ────────────────────────────────────────────── */
.scroll-hint {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-base) var(--ease-out),
              transform var(--t-base) var(--ease-out);
  transition-delay: 240ms;
}

.scroll-hint span {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(44,44,44,0.35);
}

.scroll-line {
  width: 60px;
  height: 1px;
  background: rgba(44,44,44,0.15);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bamboo);
  transform: translateX(-100%);
  animation: line-pulse 2s ease-in-out infinite 1s;
}

@keyframes line-pulse {
  0%   { transform: translateX(-100%); }
  50%  { transform: translateX(0); }
  100% { transform: translateX(100%); }
}

/* ── ANIMATION STATES ───────────────────────────────────────── */

/* fade-up: hero */
section[data-animation="fade-up"] .section-label.animated,
section[data-animation="fade-up"] h1.animated,
section[data-animation="fade-up"] .hero-tagline.animated,
section[data-animation="fade-up"] .scroll-hint.animated {
  opacity: 1;
  transform: none;
}

/* clip-reveal: technologie */
section[data-animation="clip-reveal"] .section-label,
section[data-animation="clip-reveal"] h2,
section[data-animation="clip-reveal"] .layer-list {
  opacity: 0;
  clip-path: inset(100% 0 0 0);
  transform: none;
  transition: opacity var(--t-slow) var(--ease-out),
              clip-path var(--t-slow) var(--ease-out);
}

section[data-animation="clip-reveal"] .section-label.animated,
section[data-animation="clip-reveal"] h2.animated,
section[data-animation="clip-reveal"] .layer-list.animated {
  opacity: 1;
  clip-path: inset(0% 0 0 0);
}

/* slide-left: thermorégulation */
section[data-animation="slide-left"] .section-label,
section[data-animation="slide-left"] h2,
section[data-animation="slide-left"] .section-body,
section[data-animation="slide-left"] .section-note {
  opacity: 0;
  transform: translateX(-80px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

section[data-animation="slide-left"] .section-label.animated,
section[data-animation="slide-left"] h2.animated,
section[data-animation="slide-left"] .section-body.animated,
section[data-animation="slide-left"] .section-note.animated {
  opacity: 1;
  transform: none;
}

/* scale-in: densité */
section[data-animation="scale-in"] .section-label,
section[data-animation="scale-in"] h2,
section[data-animation="scale-in"] .section-body,
section[data-animation="scale-in"] .section-note {
  opacity: 0;
  transform: scale(0.88) translateY(20px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

section[data-animation="scale-in"] .section-label.animated,
section[data-animation="scale-in"] h2.animated,
section[data-animation="scale-in"] .section-body.animated,
section[data-animation="scale-in"] .section-note.animated {
  opacity: 1;
  transform: none;
}

/* overlay-drop: stats */
section[data-animation="overlay-drop"] .section-label,
section[data-animation="overlay-drop"] .stat-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

section[data-animation="overlay-drop"] .section-label.animated,
section[data-animation="overlay-drop"] .stat-item.animated {
  opacity: 1;
  transform: none;
}

/* slide-right: CTA */
section[data-animation="slide-right"] .section-label,
section[data-animation="slide-right"] h2,
section[data-animation="slide-right"] .section-body,
section[data-animation="slide-right"] .cta-button {
  opacity: 0;
  transform: translateX(80px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

section[data-animation="slide-right"] .section-label.animated,
section[data-animation="slide-right"] h2.animated,
section[data-animation="slide-right"] .section-body.animated,
section[data-animation="slide-right"] .cta-button.animated {
  opacity: 1;
  transform: none;
}

/* Stagger delays */
[data-stagger="0"] { transition-delay: 0ms !important; }
[data-stagger="1"] { transition-delay: 90ms !important; }
[data-stagger="2"] { transition-delay: 180ms !important; }
[data-stagger="3"] { transition-delay: 270ms !important; }
[data-stagger="4"] { transition-delay: 360ms !important; }

/* ── LAYER LIST (technologie section) ──────────────────────── */
.layer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin-top: 2rem;
  opacity: 0;
  clip-path: inset(100% 0 0 0);
  transition: opacity var(--t-slow) var(--ease-out),
              clip-path var(--t-slow) var(--ease-out);
  transition-delay: 180ms;
}

.layer-list li {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.layer-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.layer-list li div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.layer-list li strong {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--charcoal);
}

.layer-list li span {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── STATS GRID ─────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.stat-value-row {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.stat-number {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.stat-suffix {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 1.2rem;
  color: rgba(255,255,255,0.5);
  line-height: 1;
}

.stat-label {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

/* ── CTA BUTTON ─────────────────────────────────────────────── */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
  padding: 1rem 2rem;
  background: var(--bamboo);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 280ms ease, color 280ms ease, border-color 280ms ease,
              opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
  pointer-events: auto;
}

.cta-button:hover {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}

/* ── PERSISTENT CTA ─────────────────────────────────────────── */
#persistent-cta {
  position: fixed;
  bottom: 0;
  right: 0;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.6rem 3rem;
  background: var(--bamboo);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms ease, transform 400ms ease, background 200ms ease;
  pointer-events: none;
}

#persistent-cta.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

#persistent-cta:hover {
  background: var(--bamboo-dark);
}

#persistent-cta.cta-oreillers {
  background: var(--charcoal);
}

#persistent-cta.cta-oreillers:hover {
  background: #0d1c14;
}

#persistent-cta span {
  transition: opacity 300ms ease;
}

/* ── STATS SECTION — text color overrides ───────────────────── */
#section-stats h2 {
  color: var(--white);
}

/* ── SECTION OREILLERS ──────────────────────────────────────── */
.align-center-oreillers {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 5vw;
  text-align: center;
}

.align-center-oreillers::before {
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: min(700px, 90vw);
  top: -2rem;
  bottom: -2rem;
  border-radius: 12px;
}

.oreillers-label {
  justify-content: center;
  display: block;
  text-align: center;
}

.align-center-oreillers .section-body {
  max-width: 48ch;
  margin: 0 auto;
  text-align: center;
}

.align-center-oreillers .cta-button {
  margin: 2.5rem auto 0;
}

.align-center-oreillers .section-note {
  display: block;
  text-align: center;
}

/* fade-up-center animation */
section[data-animation="fade-up-center"] .section-label,
section[data-animation="fade-up-center"] h2,
section[data-animation="fade-up-center"] .section-body,
section[data-animation="fade-up-center"] .cta-button,
section[data-animation="fade-up-center"] .section-note {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}

section[data-animation="fade-up-center"] .section-label.animated,
section[data-animation="fade-up-center"] h2.animated,
section[data-animation="fade-up-center"] .section-body.animated,
section[data-animation="fade-up-center"] .cta-button.animated,
section[data-animation="fade-up-center"] .section-note.animated {
  opacity: 1;
  transform: none;
}

/* ── MOBILE ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --hero-size:    3.5rem;
    --h2-size:      1.9rem;
    --marquee-size: 0.75rem;
  }

  .align-left,
  .align-right {
    padding-left: 5vw;
    padding-right: 5vw;
  }

  /* Panneau frosted glass pleine largeur sur mobile */
  .section-inner::before {
    left: -1rem;
    right: -1rem;
  }

  .align-center-oreillers::before {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: min(700px, 90vw);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  #persistent-cta {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
    text-align: center;
    justify-content: center;
    padding: 0.875rem 1.25rem;
    font-size: 0.75rem;
  }

  .header-nav {
    display: none;
  }

  .header-logo-img {
    height: 60px;
  }

  h1 {
    line-height: 1.0;
  }

  .section-body {
    font-size: 0.95rem;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --hero-size:    2.6rem;
    --h2-size:      1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .section-label {
    font-size: 0.62rem;
    letter-spacing: 0.2em;
  }
}