:root {
  --bg: #050302;
  --bg-soft: #0e0805;
  --bg-card: #150c08;
  --cream: #f5ebd9;
  --cream-soft: #d9cdb6;
  --ember: #e07a2a;
  --ember-soft: #f4a35d;
  --ember-deep: #9e4310;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--cream);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

em {
  font-style: italic;
  color: var(--ember-soft);
  font-weight: 500;
}

/* ---------- BACK LINK ---------- */
.back-link {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--cream-soft);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.08);
  transition: color 0.2s, border-color 0.2s;
}
.back-link:hover {
  color: var(--cream);
  border-color: rgba(255,255,255,0.2);
}

/* ---------- TOP NAVIGATION ---------- */
.topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2.5rem 1.5rem calc(2.5rem + 7rem);
  pointer-events: none;
  color: var(--cream);
}

.topnav > * {
  pointer-events: auto;
}

.topnav__brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: 0.4em;
  font-variation-settings: "opsz" 144;
}

.topnav__links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  align-items: center;
}

.topnav__links a {
  opacity: 0.78;
  transition: opacity 0.2s;
}

.topnav__links a:hover {
  opacity: 1;
}

.topnav__cta {
  border: 1px solid var(--ember-soft);
  color: var(--ember-soft);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  opacity: 1 !important;
  transition: background 0.25s, color 0.25s;
}
.topnav__cta:hover {
  background: var(--ember-soft);
  color: var(--bg);
}

/* ---------- HERO SCROLL-SCRUB ---------- */
.hero {
  position: relative;
  height: 320vh;
}

.hero__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: var(--bg);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero__canvas.is-ready {
  opacity: 1;
}

/* warm glow behind the burger */
.hero__glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(
      ellipse 55% 60% at 50% 55%,
      rgba(224, 122, 42, 0.18) 0%,
      rgba(224, 122, 42, 0.06) 40%,
      transparent 70%
    );
  pointer-events: none;
}

/* dark vignette for text readability */
.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.45) 0%, transparent 25%, transparent 65%, rgba(0,0,0,0.7) 100%),
    radial-gradient(ellipse 90% 90% at 50% 50%, transparent 50%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
  --t: 0;
  transform: translateY(calc(var(--t) * -30px));
  opacity: calc(1 - var(--t) * 0.95);
  pointer-events: none;
}

.hero__overlay > * {
  pointer-events: auto;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--cream-soft);
  margin-bottom: 2rem;
}

.hero__eyebrow-line {
  display: inline-block;
  width: 50px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.6rem, 8vw, 7rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 2.2rem;
  max-width: 18ch;
  font-variation-settings: "opsz" 144;
  text-shadow: 0 2px 30px rgba(0,0,0,0.5);
}

.hero__title-line {
  display: block;
}

.hero__title-line--italic {
  font-style: italic;
  font-weight: 400;
  color: var(--ember-soft);
}

.hero__subtitle {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--cream-soft);
  margin-bottom: 4rem;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--cream-soft);
  opacity: calc(1 - var(--t) * 2);
  white-space: nowrap;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, currentColor 0%, transparent 100%);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.4); opacity: 0.3; }
}

/* loading bar */
.hero__loading {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 5;
  background: rgba(255,255,255,0.06);
  opacity: 1;
  transition: opacity 0.5s;
}

.hero__loading.is-done {
  opacity: 0;
}

.hero__loading-bar {
  height: 100%;
  width: 0;
  background: var(--ember);
  transition: width 0.3s ease;
}

/* ---------- CONTENT SECTIONS ---------- */
.section {
  padding: 9rem 2.5rem;
  position: relative;
  z-index: 4;
  background: var(--bg);
}

.section__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--ember-soft);
  margin-bottom: 2rem;
  font-weight: 500;
}

.section__heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.018em;
  margin-bottom: 2.5rem;
  max-width: 18ch;
  font-variation-settings: "opsz" 144;
}

.section__lede {
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  font-weight: 300;
  line-height: 1.65;
  color: var(--cream-soft);
  max-width: 60ch;
}

/* Manifeste */
.section--manifeste {
  background: linear-gradient(to bottom, var(--bg) 0%, var(--bg-soft) 100%);
}

/* Couches (list of ingredients) */
.section--couches {
  background: var(--bg-soft);
}

.couches {
  list-style: none;
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.couche {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 1.1rem;
  transition: background 0.25s, padding-left 0.25s;
}

.couche:hover {
  background: rgba(224, 122, 42, 0.05);
  padding-left: 1rem;
}

.couche__num {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ember-soft);
  letter-spacing: 0.05em;
  font-variation-settings: "opsz" 144;
}

.couche__nom {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.6rem;
  color: var(--cream);
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 144;
}

.couche__src {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cream-soft);
  opacity: 0.7;
  text-align: right;
}

/* Carte (menu) */
.section--carte {
  background: var(--bg);
}

.carte {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.plat {
  padding: 2.5rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  border-right: 1px solid rgba(255,255,255,0.08);
  transition: background 0.25s;
}

.plat:nth-child(2n) {
  border-right: none;
}

.plat:hover {
  background: rgba(224, 122, 42, 0.04);
}

.plat__nom {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.9rem;
  margin-bottom: 0.6rem;
  letter-spacing: -0.015em;
  color: var(--cream);
  font-variation-settings: "opsz" 144;
}

.plat__desc {
  font-size: 0.95rem;
  color: var(--cream-soft);
  margin-bottom: 1.2rem;
  font-weight: 300;
  line-height: 1.55;
}

.plat__prix {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ember-soft);
  font-variation-settings: "opsz" 144;
}

/* Footer */
.footer {
  background: #020100;
  padding: 5rem 2.5rem 3rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer__brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.6rem;
  letter-spacing: 0.4em;
  margin-bottom: 1.2rem;
  color: var(--cream);
  font-variation-settings: "opsz" 144;
}

.footer__credit {
  font-size: 0.78rem;
  color: var(--cream-soft);
  opacity: 0.55;
  letter-spacing: 0.05em;
}

.footer__credit a {
  color: var(--ember-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  opacity: 0.9;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .topnav {
    padding: 1rem 1.25rem;
    padding-left: 1.25rem;
  }
  .topnav__links {
    gap: 1rem;
    font-size: 0.68rem;
  }
  .topnav__links li:not(:last-child) {
    display: none;
  }
  .back-link {
    top: 1rem;
    left: 1rem;
    padding: 0.4rem 0.6rem;
  }
  .section {
    padding: 6rem 1.5rem;
  }
  .couche {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }
  .couche__src {
    grid-column: 2;
    text-align: left;
    font-size: 0.7rem;
  }
  .carte {
    grid-template-columns: 1fr;
  }
  .plat {
    border-right: none;
    padding: 2rem 1rem;
  }
  .hero__subtitle {
    margin-bottom: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero {
    height: 100vh;
  }
  html {
    scroll-behavior: auto;
  }
  .hero__scroll-line {
    animation: none;
  }
}