/* ============================================================
   PAGES D'ARTICLE SEO (/seo/<mot-cle>/)
   Habille le balisage existant des pages avec le système du site :
   tokens de styles.css (--ink / --accent / --bg), verre profond des
   cartes du film, titres serif Instrument Serif. Le contenu et le
   balisage SEO (JSON-LD, FAQ, breadcrumb) ne changent pas.
   ============================================================ */
:root {
  --seo-serif: "Instrument Serif", "Times New Roman", Georgia, serif;
  --seo-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.seo-body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body, "Satoshi", system-ui, sans-serif);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(circle at 82% -8%, rgba(106, 165, 255, 0.16), transparent 540px),
    radial-gradient(circle at 2% 10%, rgba(96, 150, 255, 0.08), transparent 480px),
    var(--bg, #04060c);
}

a { color: inherit; }
strong { color: #fff; font-weight: 700; }

/* ---------- En-tête solide (pas de film derrière la nav ici) ---------- */
body.seo-body .nav {
  background: rgba(4, 6, 12, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
body.seo-body section[id] { scroll-margin-top: 108px; }

/* ---------- Conteneurs ---------- */
main { display: block; }
.seo-hero,
.seo-section {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

/* ---------- Kicker / titres ---------- */
.seo-kicker {
  margin: 0 0 18px;
  font-family: var(--seo-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent, #6aa5ff);
}
.seo-hero h1,
.seo-section h2,
.seo-hero-panel h2 {
  margin: 0;
  font-family: var(--seo-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.04;
  color: var(--ink);
}
.seo-hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.4rem); }
.seo-section h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
.seo-card h3,
.seo-flow strong { font-family: var(--seo-serif); }

.seo-lead {
  max-width: 640px;
  margin: 26px 0 0;
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--ink-dim, rgba(242, 246, 250, 0.62));
}
.seo-section p {
  font-size: 1.06rem;
  line-height: 1.7;
  color: var(--ink-dim, rgba(242, 246, 250, 0.62));
}

/* ============================================================
   HERO (copie + panneau formulaire)
   ============================================================ */
.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  align-items: center;
  gap: 56px;
  padding: 168px 0 80px;
}
.seo-hero-copy { max-width: 680px; }

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.seo-primary,
.seo-secondary,
.seo-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 28px;
  border: 0;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
}
.seo-primary,
.seo-form button {
  color: #0a0d14;
  background: #fff;
  box-shadow: 0 16px 40px -16px rgba(106, 165, 255, 0.5);
}
.seo-primary:hover,
.seo-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.35);
}
.seo-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.seo-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(150, 190, 255, 0.5);
  transform: translateY(-2px);
}

.seo-proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.seo-proof-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 13px;
  border-radius: 999px;
  font-family: var(--seo-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(242, 246, 250, 0.8);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

/* ============================================================
   RECETTE DE VERRE PROFOND (cartes, panneau, FAQ, RDV, highlight)
   ============================================================ */
.seo-hero-panel,
.seo-card,
.seo-faq-item,
.seo-rdv,
.seo-highlight {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(106, 165, 255, 0.10), transparent 60%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.02) 55%, rgba(6, 12, 26, 0.4));
  box-shadow: 0 40px 90px -38px rgba(0, 0, 0, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.seo-hero-panel::before,
.seo-card::before,
.seo-rdv::before,
.seo-highlight::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(150, 190, 255, 0.55), transparent);
  opacity: 0.6;
}

/* ---------- Panneau formulaire du hero ---------- */
.seo-hero-panel { padding: 24px; }
.seo-hero-panel h2 { font-size: 1.7rem; line-height: 1.1; }
.seo-hero-panel p { margin: 12px 0 0; font-size: 0.98rem; color: var(--ink-dim); }
.seo-panel-media {
  position: relative;
  height: 168px;
  margin: -2px -2px 22px;
  overflow: hidden;
  border-radius: 18px;
  background: #0b111c;
}
.seo-panel-media img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center 34%; }
.seo-panel-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(4, 6, 12, 0.8));
}
.seo-panel-media span {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 1;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #06080f;
  background: #fff;
}
.seo-panel-link {
  display: inline-flex;
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--accent);
}
.seo-panel-link:hover { text-decoration: underline; }

/* ---------- Formulaire ---------- */
.seo-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.seo-form-compact { margin-top: 18px; }
.seo-form input,
.seo-form textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.22);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.25s, background 0.25s;
}
.seo-form input:focus,
.seo-form textarea:focus {
  border-color: rgba(150, 190, 255, 0.6);
  background: rgba(0, 0, 0, 0.32);
}
.seo-form input::placeholder,
.seo-form textarea::placeholder { color: rgba(242, 246, 250, 0.5); }
.seo-form textarea,
.seo-form button { grid-column: 1 / -1; }

/* ============================================================
   SECTIONS
   ============================================================ */
.seo-section { padding: 70px 0; }
.seo-section-head { max-width: 760px; margin-bottom: 30px; }
.seo-section-head .seo-kicker { margin-bottom: 14px; }

.seo-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.85fr);
  gap: 34px;
  align-items: start;
}
.seo-split > div > p { margin-top: 18px; }

/* ---------- Cartes ---------- */
.seo-card { padding: 28px; transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s; }
.seo-card h3 { margin: 0 0 12px; font-weight: 400; font-size: 1.4rem; color: var(--ink); }
.seo-card p { margin: 0; font-size: 1rem; color: var(--ink-dim); }
.seo-card:hover {
  transform: translateY(-5px);
  border-color: rgba(150, 190, 255, 0.4);
  box-shadow: 0 48px 100px -42px rgba(0, 0, 0, 0.9), 0 0 60px -22px rgba(56, 160, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.seo-card-label {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 11px;
  border-radius: 999px;
  font-family: var(--seo-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #cfe0ff;
  background: rgba(106, 165, 255, 0.12);
  border: 1px solid rgba(106, 165, 255, 0.28);
}
.seo-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

/* ---------- Bloc « highlight » (solution) ---------- */
.seo-highlight {
  padding: 40px;
  border-color: rgba(106, 165, 255, 0.28);
  background:
    radial-gradient(130% 90% at 50% 0%, rgba(106, 165, 255, 0.16), transparent 62%),
    linear-gradient(165deg, rgba(106, 165, 255, 0.08), rgba(255, 255, 255, 0.02) 60%, rgba(6, 12, 26, 0.45));
}

/* ---------- Checklist ---------- */
.seo-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.seo-checklist li {
  position: relative;
  padding: 16px 18px 16px 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 1rem;
  color: rgba(242, 246, 250, 0.86);
}
.seo-checklist li::before {
  content: "✓";
  position: absolute;
  left: 18px;
  top: 16px;
  font-weight: 800;
  color: var(--accent);
}

/* ---------- Flow numéroté ---------- */
.seo-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.seo-flow article {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 150px;
  padding: 26px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}
.seo-flow strong {
  font-weight: 400;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--accent);
}
.seo-flow span { font-size: 1rem; line-height: 1.55; color: var(--ink-dim); }

/* ---------- FAQ ---------- */
.seo-faq { max-width: 900px; }
.seo-faq-item { margin-top: 12px; padding: 0; border-radius: 18px; }
.seo-faq-item summary {
  position: relative;
  padding: 22px 60px 22px 26px;
  list-style: none;
  cursor: pointer;
  font-family: var(--seo-serif);
  font-size: 1.22rem;
  color: #fff;
}
.seo-faq-item summary::-webkit-details-marker { display: none; }
.seo-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.25s;
}
.seo-faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.seo-faq-item p {
  margin: 0;
  padding: 0 26px 24px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-dim);
}

/* ---------- RDV ---------- */
.seo-rdv {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: 30px;
  align-items: center;
  padding: 40px;
  border-color: rgba(106, 165, 255, 0.28);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(106, 165, 255, 0.18), transparent 60%),
    linear-gradient(165deg, rgba(106, 165, 255, 0.08), rgba(255, 255, 255, 0.02) 60%, rgba(6, 12, 26, 0.45));
}
.seo-rdv h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.seo-rdv p { margin-top: 14px; }
.seo-rdv-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.seo-rdv-actions p { width: 100%; margin: 4px 0 0; font-size: 0.95rem; }
.seo-rdv-actions a:not(.seo-primary):not(.seo-secondary) { color: var(--accent); font-weight: 700; text-decoration: none; }

/* ============================================================
   FOOTER + STICKY CTA
   ============================================================ */
.seo-footer {
  width: min(1180px, calc(100% - 48px));
  margin: 40px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 30px 0 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--ink-dim);
  font-size: 0.92rem;
}
.seo-footer div { display: flex; gap: 18px; flex-wrap: wrap; }
.seo-footer a { color: #fff; font-weight: 700; text-decoration: none; }
.seo-footer a:hover { color: var(--accent); }

.seo-sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 60;
  width: min(720px, calc(100% - 28px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 10px 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(8, 12, 22, 0.82);
  box-shadow: 0 24px 70px -24px rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 14px);
  transition: opacity 0.24s ease, transform 0.24s ease;
}
body[data-show-sticky] .seo-sticky-cta {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.seo-sticky-cta span {
  min-width: 0;
  overflow: hidden;
  font-size: 0.86rem;
  font-weight: 600;
  color: rgba(242, 246, 250, 0.82);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.seo-sticky-cta a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  color: #06080f;
  background: #fff;
}
.seo-sticky-cta a:hover { box-shadow: 0 0 24px rgba(255, 255, 255, 0.4); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .seo-hero,
  .seo-split,
  .seo-rdv { grid-template-columns: 1fr; }
  .seo-hero { padding-top: 140px; gap: 40px; }
}
@media (max-width: 600px) {
  .seo-hero,
  .seo-section,
  .seo-footer { width: min(100% - 32px, 1180px); }
  .seo-section { padding: 52px 0; }
  .seo-form { grid-template-columns: 1fr; }
  .seo-card-grid,
  .seo-flow { grid-template-columns: 1fr; }
  .seo-highlight,
  .seo-rdv { padding: 26px; }
  .seo-sticky-cta { flex-direction: column; align-items: stretch; border-radius: 18px; padding: 12px; }
  .seo-sticky-cta span { white-space: normal; text-align: center; }
  .seo-footer { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}