/* Valiha Studio — feuille de style du site vitrine
   Direction : la régie. Fond « nuit de régie » pour les temps forts,
   papier clair pour la lecture, repères de timecode en accent.
   Charte reprise du logo : violet + bleu. */

:root {
  --ink: #1e1440;          /* violet nuit : titres, bandeaux sombres */
  --paper: #f7f5fb;        /* fond de lecture */
  --mist: #ede8f6;         /* fond secondaire */
  --surface: #ffffff;      /* cartes */
  --violet: #6a3fb8;       /* accent 1 (logo) */
  --blue: #1580b5;         /* accent 2 lisible sur clair */
  --sky: #7fd0f2;          /* accent 2 sur sombre */
  --text: #2a2440;
  --muted: #4a4560;
  --line: #ddd5ee;
  --on-ink: #e4def3;
  --rec: #ff4d4d;          /* voyant REC */

  --f-display: "Montserrat", "Trebuchet MS", Arial, sans-serif;
  --f-body: "Public Sans", Arial, sans-serif;

  --step-hero: clamp(2.2rem, 5.2vw, 4.2rem);
  --step-h2: clamp(1.7rem, 3.4vw, 2.6rem);
  --step-h3: clamp(1.15rem, 1.8vw, 1.4rem);
  --wrap: 72rem;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--f-display); color: var(--ink); line-height: 1.15; margin: 0; text-wrap: balance; }
h1 { font-size: var(--step-hero); font-weight: 800; }
h2 { font-size: var(--step-h2); font-weight: 700; }
h3 { font-size: var(--step-h3); font-weight: 700; }
p { margin: 0; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section--mist { background: var(--mist); }
.section--ink { background: var(--ink); color: var(--on-ink); }
.section--ink h2, .section--ink h3 { color: #f7f5fb; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.stack-lg { display: flex; flex-direction: column; gap: 2.5rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 42rem; }
.section--ink .lead { color: var(--on-ink); }

.eyebrow {
  font-family: var(--f-display);
  font-size: .8rem; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--violet);
}
.section--ink .eyebrow, .hero .eyebrow { color: var(--sky); }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(247, 245, 251, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .8rem; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); }
.brand img { width: 30px; height: 38px; object-fit: contain; }
.brand span { font-family: var(--f-display); font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; }
.brand small { font-weight: 500; letter-spacing: .3em; font-size: .7rem; color: var(--muted); }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.6rem; align-items: center; }
.nav a { text-decoration: none; color: var(--text); font-weight: 500; font-size: .98rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--violet); }
.nav a[aria-current="page"] { font-weight: 700; }
.nav .btn { color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: .45rem .7rem; font: 600 .9rem var(--f-display); color: var(--ink); cursor: pointer; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); display: none; }
  .nav.is-open { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem max(20px, env(safe-area-inset-left, 0px)) 1rem; }
  .nav li a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: .8rem; text-align: center; }
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-block; text-decoration: none;
  font-family: var(--f-display); font-weight: 700; font-size: .95rem;
  padding: .8rem 1.4rem; border-radius: 999px;
  background: var(--violet); color: #fff; border: 2px solid var(--violet);
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); background: #5a32a3; }
.btn--ghost { background: transparent; color: #f7f5fb; border-color: rgba(247,245,251,.5); }
.btn--ghost:hover { background: rgba(247,245,251,.08); }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ---------- Héros ---------- */
.hero { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 3rem; align-items: center; padding-block: clamp(3.5rem, 9vw, 7rem); }
.hero h1 { color: #f7f5fb; }
.hero .lead { color: var(--on-ink); }
.hero-mark { justify-self: center; width: min(260px, 60vw); opacity: .95; }
.hero--page .wrap { grid-template-columns: minmax(0, 1fr); padding-block: clamp(3rem, 7vw, 5rem); }
.hero--page h1 { font-size: clamp(2rem, 4.4vw, 3.4rem); }

/* voyant de régie : le détail propre au métier */
.tally {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: .85rem; letter-spacing: .08em;
  color: var(--on-ink); background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14); border-radius: 6px; padding: .35rem .7rem;
  font-variant-numeric: tabular-nums; width: fit-content;
}
.tally::before { content: ""; width: .6rem; height: .6rem; border-radius: 50%; background: var(--rec); box-shadow: 0 0 0 3px rgba(255,77,77,.25); animation: rec 1.6s ease-in-out infinite; }
@keyframes rec { 50% { opacity: .35; } }

@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); }
  .hero-mark { display: none; }
}

/* ---------- Chiffres ---------- */
.figures { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.figure { background: var(--surface); border-radius: var(--radius); padding: 1.6rem 1.4rem; border-top: 5px solid var(--violet); }
.figure:nth-child(even) { border-top-color: var(--blue); }
.figure strong { display: block; font-family: var(--f-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.figure span { display: block; margin-top: .5rem; color: var(--muted); }
@media (max-width: 760px) { .figures { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- Grilles de cartes ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: minmax(0, 1fr); } }

.card { background: var(--surface); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; gap: .7rem; min-width: 0; }
.card p { color: var(--muted); }
.section--ink .card { background: #2e2160; }
.section--ink .card p { color: #d8d0ee; }
.card .tag { font-family: var(--f-display); font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.card--dark { background: var(--ink); }
.card--dark h3 { color: var(--sky); }
.card--dark p, .card--dark li { color: var(--on-ink); }

/* ---------- Approche avant / pendant / après ---------- */
.flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; counter-reset: none; }
.flow .card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); display: flex; flex-direction: column; gap: .35rem; }
.flow .card--dark ul { color: var(--on-ink); }
.flow h3 { font-size: 1.5rem; }
.flow .card:nth-child(1) h3 { color: var(--violet); }
.flow .card:nth-child(2) h3 { color: var(--blue); }
@media (max-width: 760px) { .flow { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Études de cas ---------- */
.case { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 2.5rem; align-items: start; }
.case + .case { margin-top: 4.5rem; padding-top: 4.5rem; border-top: 1px solid var(--line); }
.case h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.case ul { margin: 0; padding-left: 1.1rem; color: var(--muted); display: flex; flex-direction: column; gap: .35rem; }
.case .meta { font-family: var(--f-display); font-weight: 700; color: var(--ink); }
.result { background: #e7f4fb; border-radius: 10px; padding: 1rem 1.2rem; color: var(--ink); }
@media (max-width: 820px) { .case { grid-template-columns: minmax(0, 1fr); } }

/* emplacement média à remplacer avant mise en ligne */
.media-slot {
  aspect-ratio: 4 / 3; max-width: 100%;
  display: grid; place-items: center; text-align: center; padding: 1.5rem;
  background: var(--mist); border: 2px dashed #9c8cc4; border-radius: var(--radius);
  color: #5a4e80; font-size: .95rem;
}
.media-slot--video { aspect-ratio: 16 / 9; }
.media-slot--portrait { aspect-ratio: 4 / 5; }

/* ---------- Teaser cas ---------- */
.case-teaser { text-decoration: none; color: inherit; transition: transform .15s ease; }
.case-teaser:hover { transform: translateY(-3px); }
.case-teaser h3 { color: var(--ink); }
.case-teaser .more { margin-top: auto; font-family: var(--f-display); font-weight: 700; color: var(--violet); }

/* ---------- Références ---------- */
.ref-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.ref-list li { padding: .55rem 0; border-bottom: 1px solid var(--line); color: var(--text); }
.ref-list li:last-child { border-bottom: none; }
.ref-list small { display: block; color: var(--muted); font-size: .88rem; }
.ref-family { border-top: 5px solid var(--violet); }
.ref-family:nth-child(even) { border-top-color: var(--blue); }

.quote-band { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: baseline; }
.quote-band strong { font-family: var(--f-display); font-size: clamp(1.8rem, 4vw, 2.6rem); color: #f7f5fb; }

/* ---------- Fondateur ---------- */
.founder { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 3rem; align-items: start; }
@media (max-width: 820px) { .founder { grid-template-columns: minmax(0, 1fr); } .founder .media-slot { max-width: 320px; } }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.contact-item { background: var(--surface); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; gap: .5rem; min-width: 0; }
.contact-item a { font-family: var(--f-display); font-weight: 700; font-size: 1.1rem; color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.contact-item a:hover { color: var(--violet); }
@media (max-width: 820px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Bandeau d'appel ---------- */
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--ink); color: var(--on-ink); padding-block: 3rem 2rem; font-size: .95rem; }
.site-footer .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 2rem; }
.site-footer img { width: 64px; }
.site-footer h3 { color: #f7f5fb; font-size: 1rem; margin-bottom: .6rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .4rem; }
.site-footer a { color: var(--on-ink); text-decoration: none; overflow-wrap: anywhere; }
.site-footer a:hover { color: var(--sky); }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.2rem; font-size: .85rem; color: #b8aed6; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem; }
.site-footer .legal button { background: none; border: none; color: #b8aed6; text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Bandeau de consentement (Google Analytics) ---------- */
.consent {
  position: fixed; z-index: 50;
  left: max(16px, env(safe-area-inset-left, 0px)); right: max(16px, env(safe-area-inset-right, 0px));
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  max-width: 34rem; margin-inline: auto;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(30,20,64,.18);
  padding: 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .9rem; font-size: .95rem;
}
.consent .btn-row .btn { padding: .6rem 1.1rem; font-size: .88rem; }
.consent .btn--plain { background: transparent; color: var(--ink); border-color: var(--line); }

/* ---------- Portrait du fondateur ---------- */
.portrait { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius); }
@media (max-width: 820px) { .portrait { max-width: 320px; } }

/* ---------- Photos des réalisations ---------- */
.case-img, .teaser-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); background: var(--mist); }
.teaser-img { border-radius: 10px; }