/* =========================================================
   SOS Textiles — Composants (header, footer, formes, blog…)
   ========================================================= */

/* ---------- HEADER ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 300;
  height: var(--sos-header-h);
  transition: background .35s var(--sos-ease), box-shadow .35s var(--sos-ease), border-color .35s var(--sos-ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom-color: var(--sos-line);
  box-shadow: 0 4px 24px -18px rgba(15, 23, 42, .5);
}

/* Home : header transparent au-dessus du hero sombre */
.page-home .site-header:not(.scrolled) .site-logo__name,
.page-home .site-header:not(.scrolled) .site-nav a,
.page-home .site-header:not(.scrolled) .nav-toggle { color: #fff; }
.page-home .site-header:not(.scrolled) .site-logo__mark { color: var(--sos-accent-2); }
.page-home .site-header:not(.scrolled) .site-nav a::after { background: var(--sos-accent-2); }
.page-home .site-header:not(.scrolled) .site-header__actions .sos-btn--secondary {
  background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.32); color: #fff; backdrop-filter: blur(8px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.site-logo { display: flex; flex-direction: column; line-height: 1.05; }
.site-logo__mark {
  font-size: 0.62rem; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; color: var(--sos-accent);
}
.site-logo__name {
  font-family: var(--sos-font-display); font-weight: 800; font-size: 1.3rem; color: var(--sos-ink); letter-spacing: -0.03em;
}

.site-nav { display: none; gap: 1.9rem; align-items: center; }
.site-nav a { font-size: 0.9rem; font-weight: 500; color: var(--sos-ink-soft); position: relative; }
.site-nav a::after {
  content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 2px; border-radius: 2px;
  background: var(--sos-accent); transition: width .3s var(--sos-ease);
}
.site-nav a:hover { color: var(--sos-ink); }
.site-nav a:hover::after { width: 100%; }

.site-header__actions { display: none; align-items: center; gap: 0.7rem; }

.nav-toggle {
  background: none; border: none; width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--sos-ink); border-radius: var(--sos-radius-sm); font-size: 1.2rem;
}
.nav-toggle:hover { background: rgba(37,99,235,.08); }

@media (min-width: 1000px) {
  .site-nav, .site-header__actions { display: flex; }
  .nav-toggle { display: none; }
}

/* ---------- Menu mobile (drawer) ---------- */
.nav-backdrop {
  position: fixed; inset: 0; z-index: 350;
  background: rgba(9, 15, 30, 0.5);
  backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden; transition: opacity .3s var(--sos-ease), visibility .3s;
}
body.nav-open .nav-backdrop { opacity: 1; visibility: visible; }
html:has(body.nav-open) { overflow: hidden; }

.mobile-nav {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 360;
  width: min(86vw, 360px);
  background: #fff;
  padding: 1.25rem 1.4rem 2rem;
  display: flex; flex-direction: column;
  transform: translateX(105%);
  transition: transform .38s var(--sos-spring);
  box-shadow: -20px 0 60px -20px rgba(15, 23, 42, .35);
  overflow-y: auto;
}
body.nav-open .mobile-nav { transform: translateX(0); }
.mobile-nav__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .5rem; }
.mobile-nav__close {
  background: var(--sos-bg-warm); border: none; width: 42px; height: 42px; border-radius: 50%;
  font-size: 1.1rem; color: var(--sos-ink); cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
}
.mobile-nav a.mobile-nav__link {
  display: flex; align-items: center; gap: .85rem;
  font-size: 1.02rem; font-weight: 600; color: var(--sos-ink);
  padding: 0.95rem 0.25rem; border-bottom: 1px solid var(--sos-line);
}
.mobile-nav a.mobile-nav__link i { color: var(--sos-accent); width: 22px; text-align: center; font-size: .95rem; }
.mobile-nav__cta { margin-top: 1.4rem; display: grid; gap: .7rem; }
.mobile-nav__foot { margin-top: auto; padding-top: 1.4rem; color: var(--sos-ink-soft); font-size: .85rem; }
.mobile-nav__foot a { color: var(--sos-accent); font-weight: 600; }

@media (min-width: 1000px) { .mobile-nav, .nav-backdrop { display: none; } }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--sos-bg-dark); color: rgba(255, 255, 255, 0.6); padding: 4.5rem 0 2rem; }
.site-footer a { color: rgba(255, 255, 255, 0.72); }
.site-footer a:hover { color: #fff; }
.site-footer__grid { display: grid; gap: 2.5rem; margin-bottom: 3rem; }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; } }
.site-footer__brand { font-family: var(--sos-font-display); font-weight: 800; font-size: 1.5rem; color: #fff; margin-bottom: .75rem; letter-spacing: -.03em; }
.site-footer__col-title { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(255, 255, 255, 0.42); margin-bottom: 1.1rem; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.6rem; font-size: .92rem; }
.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.10); padding-top: 1.75rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 0.82rem;
}

/* ---------- FAQ ---------- */
.faq details {
  background: #fff; border-radius: var(--sos-radius-sm); margin-bottom: 0.7rem;
  border: 1px solid var(--sos-line); overflow: hidden; transition: border-color .25s, box-shadow .25s;
}
.faq details[open] { border-color: rgba(37,99,235,.25); box-shadow: var(--sos-shadow-sm); }
.faq summary {
  padding: 1.15rem 1.4rem; cursor: pointer; font-weight: 600; font-size: 0.95rem;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::after { content: '\2b'; font-weight: 400; font-size: 1.3rem; color: var(--sos-accent); transition: transform .3s var(--sos-spring); }
.faq details[open] summary::after { transform: rotate(135deg); }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { padding: 0 1.4rem 1.2rem; color: var(--sos-ink-soft); font-size: 0.92rem; line-height: 1.7; }

/* ---------- Formulaires ---------- */
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.8125rem; margin-bottom: 0.45rem; color: var(--sos-ink); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.85rem 1rem; border: 1.5px solid var(--sos-line-strong);
  border-radius: var(--sos-radius-sm); font-family: inherit; font-size: 1rem; background: #fff; color: var(--sos-ink);
  transition: border-color .25s, box-shadow .25s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--sos-accent); box-shadow: 0 0 0 3px var(--sos-accent-light);
}

.alert { padding: 1rem 1.25rem; border-radius: var(--sos-radius-sm); margin-bottom: 1rem; font-size: 0.9375rem; }
.alert--success { background: rgba(22, 163, 74, 0.1); color: var(--sos-success); }
.alert--error { background: rgba(220, 38, 38, 0.1); color: var(--sos-error); }

/* ---------- Blog ---------- */
.blog-card { overflow: hidden; padding: 0; border: 1px solid var(--sos-line); background: #fff; border-radius: var(--sos-radius); box-shadow: var(--sos-shadow-sm); transition: transform .35s var(--sos-ease), box-shadow .35s var(--sos-ease); }
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--sos-shadow-hover); }
.blog-card__img { aspect-ratio: 16/10; background: var(--sos-bg-warm); object-fit: cover; width: 100%; }
.blog-card__body { padding: 1.4rem; }
.blog-card__date { font-size: 0.75rem; color: var(--sos-ink-muted); font-weight: 600; }
.blog-card h3 { font-size: 1.2rem; margin: 0.5rem 0; line-height: 1.35; }

.prose { max-width: 720px; }
.prose h2 { margin: 2.5rem 0 1rem; font-size: 1.6rem; }
.prose p { margin-bottom: 1.2rem; color: var(--sos-ink-soft); line-height: 1.8; }
.prose ul { margin: 0 0 1.2rem 1.2rem; color: var(--sos-ink-soft); line-height: 1.8; }

/* ---------- Fil d'ariane ---------- */
.breadcrumb { font-size: 0.8rem; color: var(--sos-ink-muted); margin-bottom: 1.25rem; }
.breadcrumb a { color: var(--sos-ink-muted); }
.breadcrumb a:hover { color: var(--sos-accent); }

/* ---------- Page hero (pages internes) ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--sos-header-h) + 3.25rem) 0 3.25rem;
  background:
    radial-gradient(ellipse 70% 120% at 100% 0%, rgba(37, 99, 235, .12) 0%, transparent 60%),
    linear-gradient(180deg, var(--sos-bg-warm) 0%, var(--sos-bg) 100%);
  border-bottom: 1px solid var(--sos-line);
}
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: .75rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 2.25rem; }
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1.3fr 1fr; } }

/* ---------- Hub links (SEO) ---------- */
.hub-links { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.25rem; }
.hub-links a {
  padding: 0.5rem 1rem; background: #fff; border-radius: var(--sos-radius-pill);
  font-size: 0.8125rem; font-weight: 500; border: 1px solid var(--sos-line); color: var(--sos-ink-soft);
  transition: border-color .25s, color .25s, transform .25s var(--sos-spring);
}
.hub-links a:hover { border-color: var(--sos-accent); color: var(--sos-accent); transform: translateY(-2px); }

/* ---------- Bannière CTA ---------- */
.cta-banner {
  position: relative; overflow: hidden;
  background: linear-gradient(120deg, #0d1a36 0%, #1d4ed8 120%);
  color: #fff; padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--sos-radius-lg); text-align: center;
}
.cta-banner::before {
  content: ''; position: absolute; top: -40%; right: -10%; width: 55%; height: 180%;
  background: radial-gradient(ellipse, rgba(96, 165, 250, .35) 0%, transparent 70%); pointer-events: none;
}
.cta-banner > * { position: relative; }
.cta-banner h2 { color: #fff; margin-bottom: 0.6rem; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta-banner p { color: rgba(255, 255, 255, 0.78); margin-bottom: 1.5rem; }

/* ---------- Tableaux tarifs ---------- */
.price-table { width: 100%; border-collapse: collapse; }
.price-table td { padding: 0.8rem 0; }
.price-table tr { border-bottom: 1px solid var(--sos-line); }
.price-table tr:last-child { border-bottom: none; }
.price-table .price { text-align: right; font-weight: 700; color: var(--sos-accent); }