/* ===== Portfolio premium — glass, typo uniforme, carrousels ===== */

:root {
  --ui-font: 'Inter', system-ui, sans-serif;
  --ui-display: 'Cormorant Garamond', Georgia, serif;
  --ui-tech: 'Orbitron', var(--ui-font);
  --ui-size: 0.9375rem;
  --ui-size-sm: 0.8125rem;
  --ui-size-xs: 0.75rem;
  --ui-size-h2: 1.65rem;
  --ui-size-h3: 1rem;
  --ui-leading: 1.6;
  --glass-bg: rgba(12, 18, 28, 0.52);
  --glass-bg-strong: rgba(12, 18, 28, 0.68);
  --glass-border: rgba(94, 184, 255, 0.22);
  --glass-blur: 18px;
  --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

[data-theme="light"] {
  --glass-bg: rgba(255, 255, 255, 0.78);
  --glass-bg-strong: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(71, 85, 105, 0.2);
  --glass-shadow: 0 12px 36px rgba(15, 23, 42, 0.1);
}

body.stage-body {
  font-family: var(--ui-font);
  font-size: var(--ui-size);
  line-height: var(--ui-leading);
}

.layer-head h2,
.future-lab-head h2,
.contact-form-title {
  font-family: var(--ui-display);
  font-size: var(--ui-size-h2);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.layer-sub,
.welcome-desc,
.project-pane-lead,
.future-lab-lead,
.contact-form-lead,
.about-compact p {
  font-size: var(--ui-size);
  line-height: var(--ui-leading);
  color: var(--muted);
}

.welcome-eyebrow,
.layer-num,
.future-lab-tag {
  font-family: var(--ui-tech);
  font-size: var(--ui-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Glass uniforme */
.glass-panel,
.skill-slide,
.future-card,
.portal-card,
.xp-entry-body,
.contact-channel,
.contact-form-panel,
.project-card,
.about-compact,
.stage-header.visible,
.stage-nav,
.float-dock .btn-glass {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border) !important;
  box-shadow: var(--glass-shadow);
}

[data-theme="light"] .layer-bg {
  opacity: 0.35;
}

[data-theme="light"] .stage-fx .fx-vignette {
  opacity: 0.15;
}

[data-theme="light"] .welcome-line--accent {
  filter: none;
}

/* Phase intro — cinéma plein écran (voir immersive.css) */
body[data-phase="intro"] #home-scroll.home-scroll--revealed {
  animation: none;
}

body[data-phase="explore"] #home-scroll:not([hidden]) {
  animation: homeReveal 1.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes homeReveal {
  from {
    opacity: 0;
    visibility: hidden;
    transform: translateY(32px);
    max-height: 0;
  }
  to {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    max-height: 5000px;
  }
}

#welcome-discover {
  position: relative;
  overflow: hidden;
}

#welcome-discover::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.12) 50%, transparent 60%);
  transform: translateX(-120%);
  animation: btnShine 4s ease-in-out infinite;
}

@keyframes btnShine {
  0%, 80%, 100% { transform: translateX(-120%); }
  40% { transform: translateX(120%); }
}

/* —— Carrousel premium —— */
.premium-carousel {
  position: relative;
  margin: 0 calc(-1 * min(4vw, 1.5rem));
  padding: 0.5rem 0 1.25rem;
}

.premium-carousel-viewport {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  cursor: grab;
  touch-action: pan-y pinch-zoom;
}

.premium-carousel-viewport.is-dragging {
  cursor: grabbing;
}

.premium-carousel-track {
  display: flex;
  width: max-content;
  gap: 1rem;
  will-change: transform;
  animation: premiumMarquee var(--marquee-duration, 48s) linear infinite;
}

.premium-carousel:hover .premium-carousel-track,
.premium-carousel.is-paused .premium-carousel-track {
  animation-play-state: paused;
}

.premium-carousel-set {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

@keyframes premiumMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.premium-carousel--future .premium-carousel-track {
  --marquee-duration: 56s;
}

.premium-carousel--skills .premium-carousel-track {
  --marquee-duration: 52s;
}

.premium-carousel--projects .premium-carousel-track {
  --marquee-duration: 44s;
}

/* Slide compétences */
.skill-slide {
  flex: 0 0 272px;
  width: 272px;
  padding: 1.1rem 1.15rem;
  border-radius: 8px;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
  transform-style: preserve-3d;
}

.skill-slide:hover {
  transform: translateY(-6px) rotateX(2deg) scale(1.02);
  box-shadow: 0 20px 48px rgba(94, 184, 255, 0.15), var(--glass-shadow);
}

.skill-slide-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--steel-soft);
  color: var(--steel);
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 0 20px var(--steel-glow);
}

.skill-slide-title {
  font-family: var(--ui-display);
  font-size: var(--ui-size-h3);
  font-weight: 600;
  color: var(--paper);
  margin: 0 0 0.35rem;
  line-height: 1.3;
}

.skill-slide-stack {
  font-size: var(--ui-size-sm);
  color: var(--muted);
  line-height: 1.45;
  margin: 0 0 0.75rem;
  min-height: 2.9em;
}

.skill-slide-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.skill-slide-bar {
  flex: 1;
  height: 4px;
  background: rgba(107, 140, 174, 0.2);
  border-radius: 4px;
  overflow: hidden;
}

.skill-slide-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--steel), var(--bronze));
  border-radius: 4px;
}

.skill-slide-pct {
  font-family: var(--ui-tech);
  font-size: var(--ui-size-xs);
  font-weight: 600;
  color: var(--bronze);
  letter-spacing: 0.06em;
}

/* Projets dans carrousel */
.premium-carousel--projects .project-card {
  flex: 0 0 min(300px, 78vw);
  width: min(300px, 78vw);
  max-width: 300px;
}

.premium-carousel--projects .project-card.hidden {
  display: none !important;
}

.premium-carousel--future .future-card {
  flex: 0 0 260px;
  width: 260px;
}

.future-card--holo {
  border-color: rgba(168, 120, 255, 0.35) !important;
  box-shadow: 0 0 32px rgba(138, 92, 255, 0.12), var(--glass-shadow);
}

.future-card--holo .future-card-icon {
  color: #b794f6;
  text-shadow: 0 0 16px rgba(183, 148, 246, 0.5);
}

#layer-skills .premium-carousel,
#layer-projects .premium-carousel {
  margin-top: 0.5rem;
}

@media (max-width: 720px) {
  .premium-carousel-viewport {
    mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  }
  .skill-slide {
    flex: 0 0 248px;
    width: 248px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .premium-carousel-track {
    animation: none !important;
  }
  .premium-carousel-viewport {
    overflow-x: auto;
    mask-image: none;
  }
  #welcome-discover::after {
    animation: none;
  }
}