/* assets/css/components.css
 * Header sticky, footer Apple-like, boutons CTA, cartes, pictos.
 */

/* === HEADER ============================================================ */

.site-header {
  position: fixed; inset: 0 0 auto 0;
  height: var(--header-h);
  display: flex; align-items: center;
  z-index: 100;
  background: rgba(255, 255, 255, 0);
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  transition: background var(--t-base), backdrop-filter var(--t-base), box-shadow var(--t-base);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--c-neutral-300);
}

body.theme-w1 .site-header.is-scrolled,
body.theme-w2 .site-header.is-scrolled,
body.theme-s2 .site-header.is-scrolled,
body.theme-s3 .site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.75);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}

.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  gap: var(--sp-4);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  height: 28px;
}
.site-header__logo img {
  height: 28px;
  width: auto;
  display: block;
}

/* Sur le hub uniquement (pas de theme produit), inverser le logo en sombre
   quand le header devient opaque clair au scroll. */
body:not(.theme-w1):not(.theme-w2):not(.theme-s2):not(.theme-s3) .site-header.is-scrolled .site-header__logo img {
  filter: brightness(0);
  transition: filter var(--t-base);
}

.site-header__nav {
  display: flex; gap: var(--sp-4);
  align-items: center;
}

/* Language switch FR <-> EN — sibling of <nav>, visible mobile + desktop */
.site-header__lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-caption);
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  padding: 6px 10px;
  border: 1px solid currentColor;
  border-radius: 4px;
  opacity: 0.7;
  transition: opacity var(--t-fast), background var(--t-fast), color var(--t-fast);
  text-decoration: none;
  min-width: 36px;
  line-height: 1;
  order: 3;
}
.site-header__lang:hover {
  opacity: 1;
  background: currentColor;
}
.site-header__lang:hover > span {
  color: var(--c-black);
}
body.theme-w1 .site-header__lang:hover > span,
body.theme-w2 .site-header__lang:hover > span,
body.theme-s2 .site-header__lang:hover > span,
body.theme-s3 .site-header__lang:hover > span {
  color: var(--c-off-white);
}

/* Desktop: nav en order 2 (entre logo et switch), switch en order 3 (droite) */
.site-header__nav { order: 2; margin-left: auto; }
.site-header__lang { order: 3; margin-left: var(--sp-2); }
.site-header__burger { order: 4; }

@media (max-width: 768px) {
  /* Mobile: ordre = logo → switch → burger (à l'extrême droite) */
  .site-header__lang {
    order: 2;
    margin-left: auto;
    margin-right: var(--sp-2);
    min-height: 32px;
    padding: 4px 10px;
  }
  .site-header__burger { order: 3; margin-left: 0; }
  .site-header__nav { margin-left: 0; }
}
.site-header__nav a {
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  transition: color var(--t-fast), opacity var(--t-fast);
  opacity: 0.85;
}
.site-header__nav a:hover { opacity: 1; color: var(--c-theme); }

body.theme-w1 .site-header__nav a,
body.theme-w2 .site-header__nav a,
body.theme-s2 .site-header__nav a,
body.theme-s3 .site-header__nav a { color: var(--c-off-white); }

body.theme-w1 .site-header__nav a:hover,
body.theme-w2 .site-header__nav a:hover,
body.theme-s2 .site-header__nav a:hover,
body.theme-s3 .site-header__nav a:hover { color: var(--c-theme-accent); }

/* === BURGER MENU (mobile uniquement) ============================ */

.site-header__burger {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 8px;
  color: var(--c-off-white);
  z-index: 110;
  position: relative;
}

/* Sur le hub (pas de theme produit) avec header scrollé opaque blanc, on inverse en noir */
body:not(.theme-w1):not(.theme-w2):not(.theme-s2):not(.theme-s3) .site-header.is-scrolled .site-header__burger {
  color: var(--c-black);
}

.site-header__burger span {
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  margin: 5px auto;
  transition: transform var(--t-base), opacity var(--t-base);
}

.site-header__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header__burger.is-open span:nth-child(2) { opacity: 0; }
.site-header__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .site-header__burger { display: block; }
  .site-header__nav {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100vw; height: 100vh;
    background: var(--c-black);
    color: var(--c-off-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--sp-4);
    z-index: 105;
    padding: var(--sp-5);
  }
  .site-header__nav.is-open { display: flex; }
  .site-header__nav a {
    color: var(--c-off-white) !important;
    font-size: var(--fs-h2);
    font-weight: var(--fw-medium);
    opacity: 1;
  }
}

/* === BUTTONS =========================================================== */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  cursor: pointer;
  background: transparent;
  color: var(--c-black);
  transition: all var(--t-fast);
  text-decoration: none;
  min-height: 44px;
}
.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--c-theme);
  color: var(--c-off-white);
  border-color: var(--c-theme);
}
body.theme-w2 .btn--primary { color: var(--c-w2-accent); }
.btn--primary:hover { background: var(--c-theme-deep); border-color: var(--c-theme-deep); }

.btn--secondary {
  background: transparent;
  color: var(--c-theme);
  border-color: var(--c-theme);
}
body.theme-w2 .btn--secondary { color: var(--c-w2-accent); border-color: var(--c-w2-accent); }
.btn--secondary:hover { background: var(--c-theme); color: var(--c-off-white); }
body.theme-w2 .btn--secondary:hover { background: var(--c-w2-accent); color: var(--c-black); }

.btn--ghost {
  background: transparent;
  color: var(--c-off-white);
  border-color: rgba(255,255,255,0.5);
}
.btn--ghost:hover { border-color: var(--c-off-white); }

.btn .icon { width: 16px; height: 16px; }

/* === FOOTER (Apple-like 3 zones) ====================================== */

.site-footer {
  background: var(--c-black);
  color: var(--c-off-white);
  padding-block: var(--sp-7) var(--sp-3);
}

.site-footer__brand {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-5);
  align-items: end;
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--c-neutral-900);
}
.site-footer__brand-logo {
  width: clamp(160px, 22vw, 280px);
  filter: brightness(0) invert(1);
}
.site-footer__brand-signature {
  font-size: clamp(1.25rem, 1.8vw, 1.75rem); /* 20 → 28 px (était fs-display-l 40→80 px) */
  font-weight: var(--fw-light);
  line-height: var(--lh-snug);
  max-width: 22ch;
  margin-top: var(--sp-3);
  color: rgba(255, 255, 255, 0.85);
}

/* MacBook 13"/14" (1280–1536 px) — resserre légèrement les colonnes du footer
   et s'assure que la signature + CTAs cohabitent sans déborder. */
@media (min-width: 1024px) and (max-width: 1536px) {
  .site-footer__brand { gap: var(--sp-4); }
  .site-footer__brand-signature { max-width: 24ch; }
  .site-footer__nav { gap: var(--sp-4); }
}
.site-footer__brand-cta {
  display: flex; flex-direction: column; gap: var(--sp-1);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
}
.site-footer__brand-cta a {
  color: var(--c-off-white);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast);
  padding-bottom: 2px;
}
.site-footer__brand-cta a:hover { border-color: var(--c-off-white); }

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  padding-block: var(--sp-5);
  border-bottom: 1px solid var(--c-neutral-900);
}
.site-footer__nav--3 { grid-template-columns: repeat(3, 1fr); }
.site-footer__nav--2 { grid-template-columns: repeat(2, 1fr); max-width: 720px; }
.site-footer__nav h4 {
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  color: var(--c-off-white);
  margin: 0 0 var(--sp-2);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}
.site-footer__nav ul li { margin-bottom: var(--sp-1); }
.site-footer__nav a {
  color: var(--c-neutral-500);
  font-size: var(--fs-label);
  transition: color var(--t-fast);
}
.site-footer__nav a:hover { color: var(--c-off-white); }

.site-footer__legal {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-2);
  padding-top: var(--sp-3);
  font-size: var(--fs-caption);
  color: var(--c-neutral-500);
}
.site-footer__legal a { color: var(--c-neutral-500); transition: color var(--t-fast); }
.site-footer__legal a:hover { color: var(--c-off-white); }

@media (max-width: 768px) {
  .site-footer__brand { grid-template-columns: 1fr; align-items: start; }
  .site-footer__nav { grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
  .site-footer__legal { flex-direction: column; }
}
@media (max-width: 480px) {
  .site-footer__nav { grid-template-columns: 1fr; gap: var(--sp-3); }
}

/* === PICTO ============================================================= */

.icon {
  display: inline-block;
  vertical-align: middle;
  width: 1em; height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon--lg { width: 48px; height: 48px; }
.icon--xl { width: 64px; height: 64px; }