/* =========================================================
   C'EST MADAME QUI CONDUIT — Feuille de style
   Direction : blanc, lumineux, épuré, premium, éditorial.
   Typographie : Cambria (secours Gelasio, métriquement compatible).
   ========================================================= */

:root {
  --bg:        #ffffff;
  --bg-warm:   #faf8f5;
  --ink:       #1a1815;
  --ink-soft:  #4a453e;
  --muted:     #938b7e;
  --hairline:  #e8e3da;
  --accent:    #a3271f;      /* rouge profond — clin d'œil à la carrosserie */
  --accent-dk: #7d1c16;

  --serif: Cambria, Gelasio, Georgia, "Times New Roman", serif;

  --wrap: 1180px;
  --gutter: clamp(1.5rem, 5vw, 5rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- Header ---------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 1rem var(--gutter);
  color: #fff;
  transition: background .5s var(--ease), color .5s var(--ease),
              padding .5s var(--ease), box-shadow .5s var(--ease);
}
/* En haut : header transparent, gros logo blanc centré, menu réparti autour.
   Passé le hero : une barre horizontale pleine largeur apparaît (fond clair,
   logo noir plus compact, menu foncé). */
.site-header.past-hero {
  color: var(--ink);
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(140%) blur(10px);
  padding-block: .55rem;
  box-shadow: 0 1px 0 var(--hairline), 0 18px 44px -32px rgba(30,20,10,.45);
}
.brand { grid-column: 2; justify-self: center; display: inline-flex; align-items: center; }
.brand__logo {
  height: clamp(92px, 12vw, 124px);
  width: auto;
  transition: height .5s var(--ease);
}
/* Logo blanc : pas de filtre CSS (garde le SVG parfaitement net) — la lisibilité
   est assurée par le léger dégradé sombre en haut du hero (.hero::after). */
.brand__logo--light { filter: none; }
.brand__logo--dark { display: none; }
/* Dans la barre : logo noir, plus compact */
.site-header.past-hero .brand__logo { height: clamp(48px, 6vw, 66px); }
.site-header.past-hero .brand__logo--light { display: none; }
.site-header.past-hero .brand__logo--dark { display: block; }

.nav { display: flex; gap: clamp(1.2rem, 2.4vw, 2.6rem); align-items: center; }
.nav--left { grid-column: 1; justify-self: start; }
.nav--right { grid-column: 3; justify-self: end; }
.nav-mobile { display: none; }
.nav a {
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: currentColor; transition: width .4s var(--ease);
}
.nav a:hover::after { width: 100%; }
.nav .nav-cta {
  border: 1px solid currentColor; border-radius: 999px;
  padding: .5rem 1.1rem;
}
.nav .nav-cta::after { display: none; }
.nav .nav-cta:hover { background: currentColor; }
.nav .nav-cta:hover span { color: var(--bg); }

.nav-toggle { display: none; }

/* ---------- Hero ------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img, .hero__media video {
  width: 100%; height: 100%; object-fit: cover; object-position: center 30%;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(20,16,12,.46) 0%, rgba(20,16,12,0) 32%),
    linear-gradient(0deg, rgba(20,16,12,.72) 0%, rgba(20,16,12,.05) 52%);
}
.hero__inner { padding-block: clamp(3rem, 9vh, 7rem); width: 100%; }
.hero__eyebrow {
  font-size: .74rem; letter-spacing: .34em; text-transform: uppercase;
  opacity: .9; margin: 0 0 1.1rem;
}
.hero__title {
  font-size: clamp(2.6rem, 8.2vw, 6.6rem);
  line-height: .98;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0;
  text-shadow: 0 2px 30px rgba(0,0,0,.28);
}
.hero__title em { font-style: italic; font-weight: 400; }
.hero__signature {
  font-style: italic;
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  margin: 1.2rem 0 0;
  opacity: .96;
}
.hero__scroll {
  position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%);
  font-size: .64rem; letter-spacing: .3em; text-transform: uppercase; opacity: .8;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
}
.hero__scroll span::after {
  content: ""; display: block; width: 1px; height: 34px; margin: .5rem auto 0;
  background: #fff; animation: scrollpulse 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollpulse { 0%,100%{ transform: scaleY(.35); opacity:.4 } 50%{ transform: scaleY(1); opacity:1 } }

/* ---------- Section rythme ------------------------------------------- */
.section { padding-block: clamp(4.5rem, 12vh, 9rem); }
.section--warm { background: var(--bg-warm); }
.kicker {
  font-size: .72rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1.4rem;
  display: inline-flex; align-items: center; gap: .8rem;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--accent); }

/* ---------- Concept --------------------------------------------------- */
/* Aligné à gauche sur la même marge que le titre et les autres sections */
.concept { max-width: 760px; margin: 0; text-align: left; }
.concept__lead {
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.28; font-weight: 400; margin: 0 0 2.4rem;
}
.concept__lead { color: var(--ink); }
.concept__lead b, .concept p b { font-weight: 700; color: var(--ink); }
.concept p:not(.kicker):not(.concept__lead) { color: var(--ink-soft); margin: 0 0 1.4rem; }
/* Même typo et même taille que la signature du hero (.hero__signature) */
.concept__sign {
  font-style: italic; font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  color: var(--ink); margin: 2.6rem 0 0;
}

/* Portrait éditorial après le texte — pleine largeur, format bandeau */
.concept-portrait {
  margin: clamp(3rem, 7vh, 5.5rem) 0 0;
  width: 100%;
}
.concept-portrait img {
  width: 100%;
  height: 100svh;
  object-fit: cover;
  object-position: center 30%;
}

/* ---------- Triptyque ------------------------------------------------- */
.triptyque {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3.4rem); text-align: center; margin-top: 1rem;
}
.triptyque > div { padding: 1rem; }
.triptyque .num {
  font-style: italic; color: var(--accent); font-size: 1.1rem; letter-spacing: .1em;
}
.triptyque h3 {
  font-size: clamp(1.4rem, 3vw, 2rem); margin: .6rem 0 .5rem; font-weight: 700;
}
.triptyque p { color: var(--muted); font-size: .98rem; margin: 0; }

/* ---------- Navigation univers (cartes) ------------------------------ */
.explore-head { display: flex; justify-content: space-between; align-items: end;
  flex-wrap: wrap; gap: 1rem; margin-bottom: 2.6rem; }
.explore-head h2 { font-size: clamp(1.9rem, 4.6vw, 3.1rem); margin: .4rem 0 0; font-weight: 700; }
.explore-head p { color: var(--muted); margin: 0; max-width: 34ch; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.card {
  position: relative; border: 1px solid var(--hairline); border-radius: 4px;
  padding: 1.6rem 1.4rem 1.5rem; min-height: 190px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: var(--bg); transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -30px rgba(30,20,10,.4); border-color: #d9d1c4; }
.card__num { font-size: .72rem; letter-spacing: .2em; color: var(--muted); }
.card h3 { font-size: 1.35rem; margin: .3rem 0 .4rem; font-weight: 700; }
.card p { font-size: .92rem; color: var(--ink-soft); margin: 0; }
.card .tag {
  align-self: flex-start; margin-top: 1rem; font-size: .62rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid var(--accent); border-radius: 999px; padding: .28rem .7rem;
}

/* ---------- Linktree / CTA ------------------------------------------- */
.link-cta { text-align: center; }
.link-cta h2 { font-size: clamp(2rem, 5vw, 3.4rem); margin: .4rem 0 .7rem; font-weight: 700; }
.link-cta > .wrap > p { color: var(--ink-soft); max-width: 46ch; margin: 0 auto 2.6rem; }
.link-buttons { display: grid; gap: .9rem; max-width: 560px; margin: 0 auto 2.4rem; }
.link-btn {
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid var(--ink); border-radius: 999px;
  padding: 1.05rem 1.7rem; font-size: 1.02rem;
  transition: background .4s var(--ease), color .4s var(--ease), transform .4s var(--ease);
}
.link-btn .arw { transition: transform .4s var(--ease); }
.link-btn:hover { background: var(--ink); color: var(--bg); transform: translateY(-2px); }
.link-btn:hover .arw { transform: translateX(5px); }

.link-primary {
  display: inline-flex; align-items: center; gap: .7rem;
  background: var(--accent); color: #fff; border: 1px solid var(--accent);
  padding: 1.05rem 2.2rem; border-radius: 999px; font-size: 1.05rem; letter-spacing: .02em;
  transition: background .4s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
  box-shadow: 0 18px 40px -20px rgba(163,39,31,.6);
}
.link-primary:hover { background: var(--accent-dk); transform: translateY(-2px); }
.link-note { color: var(--muted); font-size: .84rem; margin-top: 1.4rem; letter-spacing: .04em; }

/* ---------- Footer ---------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--hairline); padding-block: 3.4rem;
  color: var(--ink-soft);
}
.footer-grid { display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1.5rem; }
/* Logo noir dédié (fond clair du footer) */
.footer-logo img { height: clamp(72px, 8vw, 92px); width: auto; }
/* Icônes réseaux sociaux — noires */
.footer-social { display: flex; flex-wrap: nowrap; gap: 1.8rem; align-items: center; }
.footer-social a { display: inline-flex;
  transition: opacity .3s var(--ease), transform .3s var(--ease); }
.footer-social a:hover { opacity: .6; transform: translateY(-2px); }
.footer-social img { width: 30px; height: 30px; display: block; }
.footer-legal { width: 100%; font-size: .74rem; color: var(--muted); letter-spacing: .04em; margin-top: 1.4rem; line-height: 1.8; }
.footer-legal a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.footer-legal a:hover { color: var(--accent); }

/* ---------- Reveal ---------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .hero__scroll span::after { animation: none; }
}

/* ---------- Responsive ------------------------------------------------ */
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .triptyque { grid-template-columns: 1fr; gap: 2rem; }
  .triptyque > div + div { border-top: 1px solid var(--hairline); padding-top: 2rem; }
}
@media (max-width: 720px) {
  body { font-size: 17px; }
  .nav-desktop { display: none; }
  /* Menu mobile : superposition plein écran, liens centrés */
  .nav-mobile { display: flex; position: fixed; inset: 0; width: 100%;
    flex-direction: column; align-items: center; justify-content: center;
    gap: 2.2rem; background: var(--bg); color: var(--ink);
    padding: 5rem var(--gutter) 3rem; z-index: 100;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s; }
  .nav-mobile.open { opacity: 1; visibility: visible; transform: none; }
  .nav-mobile { overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .nav-mobile a { font-size: 1.45rem; letter-spacing: .18em; }
  /* Page figée derrière le menu ouvert (empêche le scroll de l'arrière-plan) */
  body.menu-open { position: fixed; inset: 0; width: 100%; overflow: hidden; }
  .nav-mobile .nav-cta { padding: .7rem 1.6rem; margin-top: .4rem; }
  .nav-toggle { display: inline-flex; flex-direction: column; gap: 5px;
    grid-column: 3; justify-self: end;
    background: none; border: 0; cursor: pointer; padding: 6px; z-index: 101; }
  .nav-toggle span { width: 26px; height: 2px; background: currentColor; transition: transform .4s var(--ease), opacity .3s, background .3s; }
  /* Croix toujours foncée sur le fond clair du menu ouvert */
  .nav-toggle.open span { background: var(--ink); }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .cards { grid-template-columns: 1fr; }
}