/* =========================================================
   NOUVEAU SOUFFLE — Feuille de style
   ---------------------------------------------------------
   Couleurs et typographies issues du Branding Book
   Nouveau Souffle (Studio(A), 2024) :
     Ivoire #F9F9ED · Noir #0A0D0B · Rouge #FF2600 / #E6352B
     Titres : Clash Display · Textes : Work Sans
   Pour changer une couleur sur tout le site, modifiez
   simplement la valeur ci-dessous.
   ========================================================= */
:root {
  --ivoire:   #F9F9ED;
  --noir:     #0A0D0B;
  --noir-2:   #151816;   /* noir légèrement éclairci (cartes) */
  --rouge:    #FF2600;
  --rouge-2:  #E6352B;   /* rouge foncé (textes sur fond clair) */
  --gris:     #A7A89F;   /* texte secondaire sur fond noir */
  --gris-2:   #5E605A;   /* texte secondaire sur fond ivoire */
  --ligne:    rgba(249, 249, 237, .14);
  --ligne-2:  rgba(10, 13, 11, .14);

  --f-titre: "Clash Display", "Arial Black", Impact, sans-serif;
  --f-texte: "Work Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --max: 1200px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--f-texte);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ivoire);
  background: var(--noir) url("/.netlify/images?url=/img/texture-noir.jpg&w=1600&fm=webp&q=60") center top / 1600px auto repeat;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }
::selection { background: var(--rouge); color: var(--ivoire); }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 112px 0; position: relative; }
.section--ivoire { background: var(--ivoire); color: var(--noir); }
.section--ivoire .lead { color: var(--gris-2); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--rouge); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.section--ivoire .eyebrow { color: var(--rouge-2); }

h1, h2, h3 { font-family: var(--f-titre); font-weight: 600; line-height: 1; margin: 0 0 20px; text-transform: uppercase; letter-spacing: -.01em; }
h1 { font-size: clamp(44px, 7.4vw, 104px); }
h2 { font-size: clamp(36px, 5vw, 64px); }
h3 { font-size: 24px; letter-spacing: 0; }
.lead { font-size: 19px; color: var(--gris); max-width: 680px; }
.accent { color: var(--rouge); }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 28px; border-radius: 999px;
  font-family: var(--f-texte); font-weight: 600; font-size: 16px; text-decoration: none;
  border: 2px solid transparent; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease;
}
.btn--rouge { background: var(--rouge); color: var(--ivoire); }
.btn--rouge:hover { background: var(--ivoire); color: var(--noir); transform: translateY(-2px); }
.btn--contour { border-color: var(--ivoire); color: var(--ivoire); }
.btn--contour:hover { background: var(--ivoire); color: var(--noir); }
.section--ivoire .btn--contour { border-color: var(--noir); color: var(--noir); }
.section--ivoire .btn--contour:hover { background: var(--noir); color: var(--ivoire); }

/* ---------- En-tête ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(10, 13, 11, .86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ligne);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.logo img { width: 220px; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a { color: var(--ivoire); text-decoration: none; font-size: 15px; font-weight: 500; white-space: nowrap; }
.nav a:not(.btn):hover { color: var(--rouge); }
.nav .btn { padding: 11px 20px; font-size: 15px; }
.lang { font-size: 12px; font-weight: 600; letter-spacing: .1em; border: 1px solid var(--ligne); padding: 4px 9px; border-radius: 999px; color: var(--gris); white-space: nowrap; }
.burger { display: none; background: none; border: 0; color: var(--ivoire); cursor: pointer; padding: 8px; }
.burger svg { display: block; }

/* ---------- Hero ---------- */
.hero { position: relative; isolation: isolate; min-height: 100svh; display: flex; align-items: flex-end; padding: 150px 0 72px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 60% center; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(10,13,11,.96) 0%, rgba(10,13,11,.82) 45%, rgba(10,13,11,.35) 100%),
    linear-gradient(0deg, var(--noir) 0%, transparent 40%);
}
.hero h1 { max-width: 15ch; }
.hero .lead { color: #D9D9CE; font-size: 20px; max-width: 600px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero__stats { display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 18px 56px; margin-top: 72px; padding-top: 28px; border-top: 1px solid var(--ligne); }
.stat strong { display: block; font-family: var(--f-titre); font-weight: 600; font-size: 44px; line-height: 1; }
.stat span { font-size: 14px; color: var(--gris); }

/* Trait manuscrit (élément graphique de la charte) */
.squiggle { position: absolute; pointer-events: none; color: var(--rouge); }
.squiggle path { fill: none; stroke: currentColor; stroke-width: 7; stroke-linecap: round; stroke-linejoin: round; }
.hero .squiggle { right: 6%; top: 18%; width: 220px; opacity: .9; }

/* ---------- Bandeau écoles défilant ---------- */
.marquee { border-block: 1px solid var(--ligne); overflow: hidden; padding: 22px 0; background: var(--noir); }
.marquee__track { display: flex; gap: 56px; width: max-content; animation: defile 38s linear infinite; }
.marquee span { font-family: var(--f-titre); font-weight: 600; font-size: 26px; text-transform: uppercase; white-space: nowrap; color: var(--ivoire); display: inline-flex; align-items: center; gap: 56px; }
.marquee span::after { content: "✦"; color: var(--rouge); font-size: 16px; }
@keyframes defile { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- Grilles ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }

/* ---------- Documentaire ---------- */
.video {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden; cursor: pointer;
  background: var(--noir); border-radius: var(--radius);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.45);
}
.video img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.video:hover img { transform: scale(1.04); }
.video::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,13,11,.6), transparent 60%); }
.video__play {
  position: absolute; z-index: 2; left: 24px; bottom: 22px;
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--rouge); color: var(--ivoire); border: 0; border-radius: 999px;
  padding: 12px 22px 12px 14px; font: 600 15px var(--f-texte); cursor: pointer;
}
.video__play i { width: 30px; height: 30px; border-radius: 50%; background: var(--ivoire); display: grid; place-items: center; }
.video__play i::before { content: ""; border-left: 11px solid var(--rouge); border-block: 7px solid transparent; margin-left: 3px; }
.video--vertical { aspect-ratio: 9 / 16; max-width: 360px; margin-inline: auto; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; z-index: 3; }
.video-meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 14px; font-size: 14px; color: var(--gris-2); }
.video-meta a { color: var(--rouge-2); font-weight: 600; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 32px; padding: 0; list-style: none; }
.tags li { border: 1px solid var(--ligne-2); padding: 6px 14px; border-radius: 999px; font-size: 14px; font-weight: 500; }

.ironman { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 88px; border-top: 2px solid var(--noir); }
.ironman div { padding: 26px 0 0; }
.ironman strong { display: block; font-family: var(--f-titre); font-weight: 600; font-size: clamp(44px, 6vw, 80px); line-height: 1; }
.ironman span { font-size: 14px; letter-spacing: .14em; text-transform: uppercase; color: var(--gris-2); }
.ironman div:nth-child(2) strong { color: var(--rouge-2); }

/* ---------- Format ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 56px; background: var(--ligne); border: 1px solid var(--ligne); }
.step { background: var(--noir); padding: 40px 32px 44px; }
.step__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 40px; }
.step__num { font-family: var(--f-titre); font-weight: 600; font-size: 60px; color: var(--rouge); line-height: 1; }
.step__time { font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gris); }
.step p { color: var(--gris); margin: 0; }
.format-info { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 32px; }
.pill { border: 1px solid var(--ligne); padding: 9px 16px; border-radius: 999px; font-size: 14px; }

.english { margin-top: 64px; display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start; padding: 32px; border: 1px solid var(--ligne); border-left: 4px solid var(--rouge); }
.english h3 { margin: 0; font-size: 22px; }
.english p { margin: 0; color: var(--gris); }

/* ---------- Publics ---------- */
.audiences { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 56px; }
.audience { background: var(--noir); color: var(--ivoire); padding: 44px 40px; border-radius: var(--radius); position: relative; overflow: hidden; }
.audience h3 { font-size: 30px; }
.audience ul { list-style: none; padding: 0; margin: 22px 0 0; }
.audience li { padding: 12px 0 12px 30px; border-top: 1px solid var(--ligne); position: relative; color: #D9D9CE; }
.audience li::before { content: "→"; position: absolute; left: 0; color: var(--rouge); font-weight: 600; }
.audience__tag { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--rouge); }

/* ---------- Intervenants (style polaroïd du pitch) ---------- */
.speakers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 56px; }
.speaker { margin: 0; }
.speaker__photo { position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden; background: var(--noir-2); }
.speaker__photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.15); transition: filter .3s, transform .5s; }
.speaker:hover .speaker__photo img { filter: none; transform: scale(1.03); }
.speaker__label {
  display: inline-block; margin: -20px 0 0 14px; position: relative; z-index: 1;
  background: var(--ivoire); color: var(--noir);
  font-family: var(--f-titre); font-weight: 600; font-size: 15px; text-transform: uppercase;
  padding: 7px 14px; border-radius: 3px; transform: rotate(-3deg);
  box-shadow: 0 6px 14px rgba(0,0,0,.35);
}
.speaker:nth-child(even) .speaker__label { transform: rotate(2deg); }
.speaker__role { display: block; margin-top: 16px; color: var(--rouge); font-size: 13px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.speaker p { color: var(--gris); font-size: 15px; margin: 8px 0 0; }
.speaker__links { display: flex; gap: 16px; margin-top: 12px; font-size: 14px; font-weight: 600; }
.speaker__links a { text-decoration: underline; text-underline-offset: 3px; }
.speaker__links a:hover { color: var(--rouge); }

.credit { margin-top: 48px; color: var(--gris); font-size: 15px; }
.credit strong { color: var(--ivoire); font-weight: 600; }

/* ---------- Références ---------- */
.logos { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); margin: 56px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ligne-2); border-left: 1px solid var(--ligne-2); }
.logos li {
  border-right: 1px solid var(--ligne-2); border-bottom: 1px solid var(--ligne-2);
  min-height: 120px; display: grid; place-items: center; text-align: center; padding: 16px;
  font-family: var(--f-titre); font-weight: 600; font-size: 24px; text-transform: uppercase; line-height: 1.05;
  transition: background .2s, color .2s;
}
.logos li small { display: block; font-family: var(--f-texte); font-weight: 500; font-size: 12px; letter-spacing: .1em; color: var(--gris-2); margin-top: 6px; }
.logos li:hover { background: var(--noir); color: var(--ivoire); }
.logos li:hover small { color: var(--gris); }
.partners { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-top: 48px; color: var(--gris-2); font-size: 15px; }
.partners img { height: 64px; width: auto; }

/* ---------- Médias ---------- */
.media { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin-top: 56px; }
.media-card {
  display: flex; flex-direction: column; gap: 6px; min-height: 170px; text-decoration: none;
  border: 1px solid var(--ligne); border-radius: var(--radius); padding: 26px; background: rgba(10,13,11,.6);
  transition: border-color .2s, transform .2s;
}
.media-card strong { font-family: var(--f-titre); font-weight: 600; font-size: 26px; text-transform: uppercase; line-height: 1.05; }
.media-card span { color: var(--gris); font-size: 14px; }
.media-card em { margin-top: auto; font-style: normal; font-size: 14px; font-weight: 600; color: var(--rouge); }
a.media-card:hover { border-color: var(--rouge); transform: translateY(-3px); }
.socials { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 40px; }

/* ---------- FAQ ---------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.faq details { border-top: 1px solid var(--ligne-2); padding: 22px 0; }
.faq details:last-child { border-bottom: 1px solid var(--ligne-2); }
.faq summary { font-weight: 600; font-size: 18px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--rouge-2); font-size: 26px; line-height: .9; font-weight: 400; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 12px 0 0; color: var(--gris-2); }

/* ---------- Devis ---------- */
.quote { display: grid; grid-template-columns: .85fr 1.15fr; gap: 72px; align-items: start; }
.quote__aside ul { list-style: none; padding: 0; margin: 28px 0; }
.quote__aside li { padding: 12px 0 12px 30px; border-top: 1px solid var(--ligne); position: relative; }
.quote__aside li::before { content: "✓"; position: absolute; left: 0; color: var(--rouge); font-weight: 700; }
.quote__aside .direct { color: var(--gris); }
.quote__aside .direct a { color: var(--ivoire); font-weight: 600; }
.form { background: var(--ivoire); color: var(--noir); border-radius: var(--radius); padding: 40px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; margin-bottom: 18px; }
.field label { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 16px; padding: 13px 14px; border: 1px solid var(--ligne-2);
  border-radius: var(--radius); background: #fff; color: var(--noir); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--rouge); outline-offset: 1px; border-color: transparent; }
.field textarea { min-height: 130px; resize: vertical; }
.form .btn { width: 100%; margin-top: 4px; }
.form .btn--rouge:hover { background: var(--noir); color: var(--ivoire); }
.form__note { font-size: 13px; color: var(--gris-2); margin: 14px 0 0; }
.form__note a { color: var(--rouge-2); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Pied de page ---------- */
.footer { border-top: 1px solid var(--ligne); padding: 72px 0 32px; font-size: 15px; color: var(--gris); background: var(--noir); }
.footer__logo { width: min(100%, 760px); margin-bottom: 56px; opacity: .95; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer a { text-decoration: none; color: var(--ivoire); }
.footer a:hover { color: var(--rouge); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer h4 { color: var(--ivoire); font-size: 13px; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 16px; font-weight: 600; }
.footer__bottom { border-top: 1px solid var(--ligne); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }

/* ---------- Pages simples (merci, mentions légales) ---------- */
.page { padding: 170px 0 110px; min-height: 75vh; }
.page h3 { font-size: 22px; margin-top: 40px; }
.page p { color: #D9D9CE; }
.page a { color: var(--rouge); }

/* ---------- Apparition au défilement ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .speakers { grid-template-columns: repeat(2, 1fr); }
  .nav { gap: 20px; }
  .lang { display: none; }
}
@media (max-width: 960px) {
  .section { padding: 84px 0; }
  .grid-2, .quote, .faq-wrap, .audiences { grid-template-columns: 1fr; gap: 44px; }
  .steps { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: repeat(2, auto); }
  .hero .squiggle { display: none; }
  .burger { display: block; }
  .nav {
    position: fixed; top: 76px; left: 0; right: 0; flex-direction: column; align-items: flex-start;
    background: var(--noir); padding: 28px 24px 32px; gap: 22px; display: none; border-bottom: 1px solid var(--ligne);
  }
  .nav.is-open { display: flex; }
  .nav a { font-size: 18px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .logo img { width: 170px; }
  .speakers { grid-template-columns: 1fr 1fr; gap: 20px; }
  .speaker p { display: none; }
  .form__row { grid-template-columns: 1fr; }
  .form { padding: 26px 20px; }
  .english { grid-template-columns: 1fr; gap: 12px; padding: 24px; }
  .ironman { grid-template-columns: 1fr; }
  .ironman div { border-bottom: 1px solid var(--ligne-2); padding-bottom: 20px; }
  .stat strong { font-size: 36px; }
}

/* ---------- Bande photos du documentaire ---------- */
.filmstrip { display: grid; grid-template-columns: 1fr 2fr 1fr; gap: 12px; margin-top: 56px; }
.filmstrip img { width: 100%; height: 340px; object-fit: cover; border-radius: var(--radius); }
@media (max-width: 600px) {
  .filmstrip { grid-template-columns: 1fr 1fr; }
  .filmstrip img { height: 220px; }
  .filmstrip img:nth-child(2) { grid-column: 1 / -1; order: -1; }
}

/* ---------- Petits logos (références & médias) ---------- */
.logos__img { display: block; margin-bottom: 10px; }
.logos__img img { height: 40px; width: auto; max-width: 120px; object-fit: contain; }
.media-card__logo img { height: 40px; width: auto; max-width: 110px; object-fit: contain; border-radius: var(--radius); background: #fff; margin-bottom: 8px; }