/* assets/css/hub.css
 * Styles spécifiques au hub (index.html).
 */

/* === HERO ============================================================== */

.hero-air {
  background: var(--c-black);
  color: var(--c-off-white);
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  padding-top: var(--header-h);
  overflow: hidden;
}

/* Glow multi-couleurs en arrière-plan (les 4 couleurs des packagings) */
.hero-air::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 30%, var(--c-s2) 0%, transparent 35%),
    radial-gradient(circle at 80% 20%, var(--c-s3) 0%, transparent 35%),
    radial-gradient(circle at 25% 85%, var(--c-w1) 0%, transparent 35%),
    radial-gradient(circle at 85% 80%, var(--c-w2-accent) 0%, transparent 25%);
  filter: blur(80px);
  opacity: 0.35;
  z-index: 0;
}

.hero-air::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/></svg>");
  opacity: 0.05;
  pointer-events: none;
  z-index: 1;
}

.hero-air__inner {
  text-align: center;
  padding-block: var(--sp-7);
  position: relative;
  z-index: 2;
}

.hero-air__logo {
  width: clamp(220px, 40vw, 480px);
  margin: 0 auto var(--sp-4);
  filter: brightness(0) invert(1);
}

.hero-air__title {
  max-width: 22ch;
  margin: 0 auto var(--sp-3);
}

.hero-air__sub {
  font-size: var(--fs-h3);
  color: rgba(255,255,255,0.6);
  font-weight: var(--fw-light);
}

.hero-air__color-bands {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; height: 4px;
  z-index: 3;
}
.hero-air__color-bands span {
  flex: 1;
  transition: flex-grow var(--t-slow);
}

/* === HERO LOAD ANIMATION — Option C "Color burst" =====================
   1. Le gradient multi-couleurs ::before démarre compressé au centre (scale 0.35,
      opacity 0) et "explose" vers son état dispersé (scale 1, opacity 0.35).
   2. Le noise overlay ::after fade-in une fois le burst quasi terminé.
   3. Logo, baseline et sub-titre apparaissent en cascade.
   4. Les 4 bandes verticales colorées (color-bands) s'élargissent au tout début
      pour souligner le burst.
*/

.hero-air::before {
  opacity: 0;
  transform: scale(0.35);
  transform-origin: center;
  animation: hero-c-burst 1700ms cubic-bezier(0.22, 0.61, 0.36, 1) 100ms forwards;
}

.hero-air::after {
  opacity: 0;
  animation: hero-c-noise 1000ms ease-out 1200ms forwards;
}

.hero-air__logo {
  opacity: 0;
  transform: scale(0.94);
  animation: hero-c-logo 900ms cubic-bezier(0.22, 0.61, 0.36, 1) 700ms forwards;
}

.hero-air__title {
  opacity: 0;
  transform: translateY(22px);
  animation: hero-c-rise 900ms cubic-bezier(0.22, 0.61, 0.36, 1) 1000ms forwards;
}

.hero-air__sub {
  opacity: 0;
  transform: translateY(14px);
  animation: hero-c-rise 900ms cubic-bezier(0.22, 0.61, 0.36, 1) 1300ms forwards;
}

.hero-air__color-bands span {
  transform: scaleY(0);
  transform-origin: bottom;
  animation: hero-c-band 700ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}
.hero-air__color-bands span:nth-child(1) { animation-delay: 300ms; }
.hero-air__color-bands span:nth-child(2) { animation-delay: 400ms; }
.hero-air__color-bands span:nth-child(3) { animation-delay: 500ms; }
.hero-air__color-bands span:nth-child(4) { animation-delay: 600ms; }

@keyframes hero-c-burst {
  to { opacity: 0.35; transform: scale(1); }
}
@keyframes hero-c-noise {
  to { opacity: 0.05; }
}
@keyframes hero-c-logo {
  to { opacity: 1; transform: scale(1); }
}
@keyframes hero-c-rise {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-c-band {
  to { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-air::before,
  .hero-air::after,
  .hero-air__logo,
  .hero-air__title,
  .hero-air__sub,
  .hero-air__color-bands span {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .hero-air::before { opacity: 0.35; }
  .hero-air::after { opacity: 0.05; }
}

/* === GAMME RICHE (4 cartes enrichies, plus de section 100vh par produit) === */

.gamme-rich {
  background: var(--c-black);
  color: var(--c-off-white);
  padding-block: var(--sp-8);
  position: relative;
  overflow: hidden;
}

.gamme-rich__header {
  text-align: center;
  margin-bottom: var(--sp-6);
  position: relative;
  z-index: 1;
}

.gamme-rich__eyebrow {
  font-size: var(--fs-label);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--sp-2);
}

.gamme-rich__title {
  margin: 0 auto;
  max-width: 22ch;
  font-weight: var(--fw-light);
}

.gamme-rich__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
  position: relative;
  z-index: 1;
}

.gamme-rich__card {
  --card-color: var(--c-theme, var(--c-black));
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(180deg, color-mix(in srgb, var(--card-color) 35%, var(--c-black)) 0%, var(--c-black) 100%);
  border: 1px solid rgba(255,255,255,0.06);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 0.3s,
              box-shadow 0.4s ease;
}

.gamme-rich__card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60%; height: 60%;
  background: radial-gradient(circle at top right, var(--card-color) 0%, transparent 60%);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.gamme-rich__card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4),
              0 0 60px -20px var(--card-color);
}

.gamme-rich__link {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100%;
  position: relative;
  z-index: 1;
}

.gamme-rich__visual {
  position: relative;
  overflow: hidden;
}
.gamme-rich__visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: var(--img-pos, center 30%);
  min-height: 380px;
}

.gamme-rich__content {
  padding: var(--sp-4) var(--sp-4) var(--sp-3);
  display: flex; flex-direction: column;
  gap: var(--sp-2);
  position: relative;
}

.gamme-rich__logo {
  width: 56px;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.gamme-rich__name {
  font-size: clamp(1.75rem, 2.5vw, 2.5rem);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  color: var(--c-off-white);
}

.gamme-rich__card.theme-w2 .gamme-rich__name { color: var(--c-w2-accent); }

.gamme-rich__sub {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-body);
  line-height: 1.3;
  margin: 0;
}

.gamme-rich__keys {
  margin: var(--sp-2) 0;
  display: flex; flex-direction: column; gap: 6px;
}
.gamme-rich__keys li {
  color: rgba(255,255,255,0.82);
  font-size: var(--fs-body);
  padding-left: 1.25em;
  position: relative;
}
.gamme-rich__keys li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--card-color);
  font-weight: var(--fw-medium);
}

.gamme-rich__card.theme-w2 .gamme-rich__keys li::before { color: var(--c-w2-accent); }

.gamme-rich__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: auto;
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-wrap: nowrap;
}

.gamme-rich__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-weight: var(--fw-black);
  color: var(--c-off-white);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.gamme-rich__price-amount { font-size: clamp(1.5rem, 2vw, 1.875rem); line-height: 1; }
.gamme-rich__price-suffix {
  font-size: var(--fs-caption);
  font-weight: var(--fw-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

.gamme-rich__cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px;
  font-size: var(--fs-caption);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: var(--fw-medium);
  color: var(--c-off-white);
  background: var(--card-color);
  border-radius: 999px;
  white-space: nowrap;
  transition: transform 0.4s ease-out;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.gamme-rich__card.theme-w2 .gamme-rich__cta {
  color: var(--c-black);
  background: var(--c-w2-accent);
}
.gamme-rich__cta svg {
  width: 14px; height: 14px;
  transition: transform 0.4s ease-out;
}
.gamme-rich__card:hover .gamme-rich__cta svg { transform: translateX(3px); }

@media (max-width: 1024px) {
  .gamme-rich__link { grid-template-columns: 1fr; }
  .gamme-rich__visual img { min-height: 280px; }
}
@media (max-width: 768px) {
  .gamme-rich__grid { grid-template-columns: 1fr; }
}

/* === ACCESSOIRES ====================================================== */

.accessoires {
  background: var(--c-neutral-900);
  color: var(--c-off-white);
  padding-block: var(--sp-7);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.accessoires__header { text-align: center; margin-bottom: var(--sp-5); }
.accessoires__eyebrow {
  font-size: var(--fs-label);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--sp-2);
}
.accessoires__title { font-weight: var(--fw-light); }
.accessoires__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4);
}
.acc-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  padding: var(--sp-4);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: var(--sp-2);
  position: relative;
  overflow: hidden;
}
.acc-card .label-uc { color: rgba(255,255,255,0.5); }
.acc-card h3 {
  line-height: 1;
  font-weight: var(--fw-black);
  margin-block: var(--sp-1) var(--sp-2);
  color: var(--c-off-white);
}
.acc-card p { margin: 0; color: rgba(255,255,255,0.7); }
.acc-specs {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6px var(--sp-3);
  margin-block: var(--sp-3);
}
.acc-specs dt {
  font-weight: var(--fw-medium);
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-caption);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.acc-specs dd { margin: 0; font-size: var(--fs-label); color: var(--c-off-white); }
.acc-card__cta {
  margin-top: auto;
  color: var(--c-off-white);
  border-color: rgba(255,255,255,0.3);
}
.acc-card__cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--c-off-white);
}

@media (max-width: 768px) { .accessoires__grid { grid-template-columns: 1fr; } }

/* === BANDEAU REVENDEUR ================================================ */

.reseller-band {
  background: var(--c-black);
  color: var(--c-off-white);
  padding-block: var(--sp-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.reseller-band::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 100%; height: 200%;
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at 30% 50%, var(--c-s2) 0%, transparent 35%),
    radial-gradient(circle at 70% 50%, var(--c-s3) 0%, transparent 35%);
  filter: blur(100px);
  opacity: 0.3;
  z-index: 0;
}
.reseller-band__inner {
  position: relative;
  z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: var(--sp-4);
}
.reseller-band h2 {
  max-width: 24ch;
  font-weight: var(--fw-light);
}