/* ============================================
   Flamingo — Project Demo Detail Pages
   ============================================ */

:root {
  --pd-bg: #0a0a0a;
  --pd-bg2: #111118;
  --pd-card: rgba(255, 255, 255, 0.03);
  --pd-border: rgba(255, 255, 255, 0.08);
  --pd-accent: #3b82f6;
  --pd-cyan: #22d3ee;
  --pd-neon: #60a5fa;
  --pd-text: #ffffff;
  --pd-muted: #a0a0b0;
  --pd-topbar-bg: rgba(10, 10, 10, 0.88);
  --pd-tabs-bg: rgba(10, 10, 10, 0.92);
  --pd-hero-grid-line: rgba(255, 255, 255, 0.02);
  --pd-hero-glow: rgba(59, 130, 246, 0.15);
  --pd-title-grad-start: #ffffff;
  --pd-title-grad-mid: #22d3ee;
  --pd-title-grad-end: #60a5fa;
  --pd-metric-grad-start: #60a5fa;
  --pd-metric-grad-end: #22d3ee;
  --pd-shadow-card: 0 16px 40px rgba(0, 0, 0, 0.3);
  --pd-shadow-hero: 0 32px 80px rgba(0, 0, 0, 0.5);
  --pd-tab-active-text: #ffffff;
  --pd-nav-active-text: #ffffff;
  --pd-radius: 16px;
  --pd-font: 'Inter', -apple-system, sans-serif;
  --pd-display: 'Space Grotesk', 'Inter', sans-serif;
  --pd-header: 64px;
  --pd-nav: 52px;
}

[data-theme="light"] {
  --pd-bg: #f8f9fc;
  --pd-bg2: #ffffff;
  --pd-card: rgba(255, 255, 255, 0.95);
  --pd-border: rgba(0, 0, 0, 0.09);
  --pd-accent: #2563eb;
  --pd-cyan: #0891b2;
  --pd-neon: #1d4ed8;
  --pd-text: #0a0a0f;
  --pd-muted: #4a4a5a;
  --pd-topbar-bg: rgba(248, 249, 252, 0.94);
  --pd-tabs-bg: rgba(248, 249, 252, 0.96);
  --pd-hero-grid-line: rgba(0, 0, 0, 0.04);
  --pd-hero-glow: rgba(37, 99, 235, 0.1);
  --pd-title-grad-start: #0a0a0f;
  --pd-title-grad-mid: #0891b2;
  --pd-title-grad-end: #2563eb;
  --pd-metric-grad-start: #1d4ed8;
  --pd-metric-grad-end: #0891b2;
  --pd-shadow-card: 0 12px 32px rgba(0, 0, 0, 0.08);
  --pd-shadow-hero: 0 24px 60px rgba(0, 0, 0, 0.12);
  --pd-tab-active-text: #1d4ed8;
  --pd-nav-active-text: #1d4ed8;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--pd-header) + var(--pd-nav) + 16px); color-scheme: dark; }

[data-theme="light"] { color-scheme: light; }

body.pd-page {
  font-family: var(--pd-font);
  background: var(--pd-bg);
  color: var(--pd-text);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}

/* --- Top bar --- */
.pd-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--pd-header);
  padding: 0 24px;
  background: var(--pd-topbar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--pd-border);
  transition: background 0.35s ease, border-color 0.35s ease;
}

.pd-topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pd-theme-toggle {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--pd-card);
  border: 1px solid var(--pd-border);
  border-radius: 10px;
  color: var(--pd-text);
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.pd-theme-toggle:hover {
  border-color: rgba(59, 130, 246, 0.45);
  color: var(--pd-neon);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
}

.pd-theme-toggle svg {
  width: 20px;
  height: 20px;
}

.pd-icon-sun { display: none; }
.pd-icon-moon { display: block; }

[data-theme="light"] .pd-icon-sun { display: block; }
[data-theme="light"] .pd-icon-moon { display: none; }

.pd-topbar-brand {
  font-family: var(--pd-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--pd-neon);
  text-decoration: none;
}

.pd-topbar-brand span { color: var(--pd-muted); font-weight: 400; }

.pd-topbar-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fff;
  background: var(--pd-accent);
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s;
}

.pd-topbar-back:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4);
}

.pd-topbar-back svg { width: 16px; height: 16px; }

/* --- Tab nav --- */
.pd-tabs-wrap {
  position: fixed;
  top: var(--pd-header);
  left: 0;
  right: 0;
  z-index: 150;
  background: var(--pd-tabs-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--pd-border);
  transition: background 0.35s ease, border-color 0.35s ease;
}

.pd-tabs {
  display: flex;
  gap: 4px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 24px;
  overflow-x: auto;
  scrollbar-width: none;
}

.pd-tabs::-webkit-scrollbar { display: none; }

.pd-tab {
  flex-shrink: 0;
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--pd-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--pd-font);
}

.pd-tab:hover { color: var(--pd-text); background: var(--pd-card); }

.pd-tab.active {
  color: var(--pd-tab-active-text);
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.12);
}

[data-theme="light"] .pd-tab.active {
  background: rgba(37, 99, 235, 0.1);
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.08);
}

/* --- Panels --- */
.pd-panel { display: none; padding-top: calc(var(--pd-header) + var(--pd-nav) + 8px); }
.pd-panel.active { display: block; animation: pdFadeIn 0.45s ease; }

@keyframes pdFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.pd-container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* --- Hero --- */
.pd-hero {
  position: relative;
  padding: 48px 0 64px;
  overflow: hidden;
}

.pd-hero-glow {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, var(--pd-hero-glow), transparent 70%);
  pointer-events: none;
}

.pd-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--pd-hero-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pd-hero-grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 0%, black, transparent 70%);
  pointer-events: none;
}

.pd-hero-inner { position: relative; z-index: 1; }

.pd-badge {
  display: inline-block;
  padding: 6px 16px;
  margin-bottom: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pd-cyan);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.22);
  border-radius: 50px;
}

.pd-hero h1 {
  font-family: var(--pd-display);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--pd-title-grad-start) 0%, var(--pd-title-grad-mid) 50%, var(--pd-title-grad-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: var(--pd-text);
}

.pd-hero-lead {
  font-size: 1.125rem;
  color: var(--pd-muted);
  max-width: 640px;
  margin-bottom: 32px;
  line-height: 1.75;
}

.pd-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

.pd-hero-meta div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pd-hero-meta label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pd-muted);
}

.pd-hero-meta span { font-size: 0.9375rem; font-weight: 500; }

.pd-hero-cover {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--pd-border);
  box-shadow: var(--pd-shadow-hero);
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.pd-hero-cover img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Emara Store — hero & galerie premium */
.pd-hero-cover--emara {
  position: relative;
  cursor: default;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}

.pd-hero-cover--emara.pd-hero-cover--screenshot {
  background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
}

.pd-hero-cover--emara:hover {
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: var(--pd-shadow-hero), 0 0 48px rgba(34, 211, 238, 0.12);
}

.pd-hero-cover--emara img {
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.45s ease;
  object-position: center center;
  will-change: transform;
}

.pd-hero-cover--emara.pd-hero-cover--photo img {
  object-fit: cover;
  object-position: center center;
  aspect-ratio: 16 / 9;
}

.pd-hero-cover--emara.pd-hero-cover--screenshot img {
  object-fit: contain;
  object-position: center top;
  aspect-ratio: 16 / 9;
}

.pd-hero-cover--emara:hover img {
  transform: scale(1.04);
}

.pd-hero-cover--emara.pd-hero-cover--photo:hover img {
  transform: scale(1.04);
  filter: brightness(1.04);
}

.pd-hero-cover--emara.pd-hero-cover--screenshot:hover img {
  transform: scale(1.02);
}

.pd-hero-cover--emara::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.45) 0%,
    rgba(0, 0, 0, 0.08) 40%,
    transparent 70%
  );
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.pd-hero-cover--emara.pd-hero-cover--screenshot::after {
  background: linear-gradient(
    to top,
    rgba(15, 23, 42, 0.28) 0%,
    rgba(15, 23, 42, 0.04) 35%,
    transparent 55%
  );
}

.pd-hero-cover-label {
  position: absolute;
  bottom: 18px;
  left: 20px;
  z-index: 1;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  pointer-events: none;
}

.pd-gallery--emara {
  grid-template-columns: repeat(2, 1fr);
}

.pd-gallery--emara .pd-gallery-item--featured {
  grid-column: 1 / -1;
  aspect-ratio: 21 / 9;
}

.pd-gallery--emara .pd-gallery-item--featured img {
  object-position: center center;
}

.pd-gallery--emara .pd-gallery-item--photo img {
  object-fit: cover;
  object-position: center center;
}

.pd-gallery--emara .pd-gallery-item--photo:hover img {
  transform: scale(1.06);
  filter: brightness(1.04);
}

.pd-gallery--emara .pd-gallery-item--screenshot {
  background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
}

.pd-gallery--emara .pd-gallery-item--screenshot img {
  object-fit: contain;
  object-position: center top;
  padding: 8px 8px 0;
}

.pd-gallery--emara .pd-gallery-item--screenshot:hover img {
  transform: scale(1.02);
}

[data-theme="light"] .pd-hero-cover--emara.pd-hero-cover--screenshot {
  background: #ffffff;
  box-shadow: var(--pd-shadow-hero), inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .pd-hero-cover--emara::after {
  background: linear-gradient(
    to top,
    rgba(15, 23, 42, 0.2) 0%,
    rgba(15, 23, 42, 0.04) 45%,
    transparent 70%
  );
}

[data-theme="light"] .pd-hero-cover--emara.pd-hero-cover--screenshot::after {
  background: linear-gradient(
    to top,
    rgba(15, 23, 42, 0.12) 0%,
    transparent 45%
  );
}

[data-theme="light"] .pd-hero-cover--emara img {
  filter: saturate(1.02);
}

[data-theme="light"] .pd-hero-cover--emara.pd-hero-cover--photo img {
  filter: saturate(1.03);
}

[data-theme="light"] .pd-hero-cover--emara.pd-hero-cover--photo:hover img {
  filter: saturate(1.06) brightness(1.02);
}

[data-theme="light"] .pd-gallery--emara .pd-gallery-item--photo:hover img {
  filter: saturate(1.05) brightness(1.02);
}

[data-theme="light"] .pd-hero-cover--emara.pd-hero-cover--screenshot img {
  filter: none;
}

[data-theme="light"] .pd-hero-cover--emara:hover img {
  filter: saturate(1.05) brightness(1.02);
}

[data-theme="light"] .pd-hero-cover--emara.pd-hero-cover--screenshot:hover img {
  filter: none;
}

[data-theme="light"] .pd-gallery--emara .pd-gallery-item--screenshot {
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .pd-hero-cover-label {
  background: rgba(255, 255, 255, 0.82);
  color: var(--pd-text);
  border-color: rgba(0, 0, 0, 0.08);
}

@media (max-width: 640px) {
  .pd-gallery--emara {
    grid-template-columns: 1fr;
  }

  .pd-gallery--emara .pd-gallery-item--featured {
    aspect-ratio: 16 / 10;
  }

  .pd-hero-cover--emara.pd-hero-cover--photo img {
    aspect-ratio: 16 / 10;
  }

  .pd-hero-cover--emara.pd-hero-cover--screenshot img {
    aspect-ratio: 16 / 10;
  }
}

/* Raja Store — hero & galerie (dashboard & catalogue) */
.pd-hero-cover--raja {
  position: relative;
  cursor: default;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}

.pd-hero-cover--raja.pd-hero-cover--screenshot {
  background: linear-gradient(180deg, #0a0f1a 0%, #1a2332 100%);
}

.pd-hero-cover--raja.pd-hero-cover--screenshot-light {
  background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

.pd-hero-cover--raja.pd-hero-cover--screenshot-dark {
  background: linear-gradient(180deg, #0a0f1a 0%, #1a2332 100%);
}

.pd-hero-cover--raja:hover {
  border-color: rgba(34, 197, 94, 0.45);
  box-shadow: var(--pd-shadow-hero), 0 0 48px rgba(34, 197, 94, 0.16);
}

.pd-hero-cover--raja img {
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.45s ease;
  object-position: center center;
  will-change: transform;
}

.pd-hero-cover--raja.pd-hero-cover--screenshot img {
  object-fit: contain;
  object-position: center top;
  aspect-ratio: 16 / 9;
}

.pd-hero-cover--raja.pd-hero-cover--screenshot:hover img {
  transform: scale(1.02);
  filter: brightness(1.05);
}

.pd-hero-cover--raja.pd-hero-cover--screenshot-light:hover img {
  transform: scale(1.02);
  filter: none;
}

.pd-hero-cover--raja.pd-hero-cover--screenshot-dark:hover img {
  transform: scale(1.02);
  filter: brightness(1.05);
}

.pd-hero-cover--raja.pd-hero-cover--screenshot-dark::after {
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.12) 35%,
    transparent 55%
  );
}

.pd-hero-cover--raja.pd-hero-cover--screenshot-light::after {
  background: linear-gradient(
    to top,
    rgba(15, 23, 42, 0.22) 0%,
    rgba(15, 23, 42, 0.04) 40%,
    transparent 60%
  );
}

.pd-gallery--raja {
  grid-template-columns: repeat(2, 1fr);
}

.pd-gallery--raja .pd-gallery-item--featured {
  grid-column: 1 / -1;
  aspect-ratio: 21 / 9;
}

.pd-gallery--raja .pd-gallery-item--screenshot-dark {
  background: linear-gradient(180deg, #0a0f1a 0%, #1a2332 100%);
}

.pd-gallery--raja .pd-gallery-item--screenshot-light {
  background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

.pd-gallery--raja .pd-gallery-item--screenshot img {
  object-fit: contain;
  object-position: center top;
  padding: 8px 8px 0;
}

.pd-gallery--raja .pd-gallery-item--screenshot-dark:hover img {
  transform: scale(1.02);
  filter: brightness(1.05);
}

.pd-gallery--raja .pd-gallery-item--screenshot-light:hover img {
  transform: scale(1.02);
  filter: none;
}

[data-theme="light"] .pd-hero-cover--raja.pd-hero-cover--screenshot-dark {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  box-shadow: var(--pd-shadow-hero), inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .pd-hero-cover--raja.pd-hero-cover--screenshot-dark::after {
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.35) 0%,
    transparent 50%
  );
}

[data-theme="light"] .pd-hero-cover--raja.pd-hero-cover--screenshot-light {
  background: #ffffff;
  box-shadow: var(--pd-shadow-hero), inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .pd-hero-cover--raja.pd-hero-cover--screenshot-light::after {
  background: linear-gradient(
    to top,
    rgba(15, 23, 42, 0.1) 0%,
    transparent 45%
  );
}

[data-theme="light"] .pd-gallery--raja .pd-gallery-item--screenshot-dark {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .pd-gallery--raja .pd-gallery-item--screenshot-light {
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .pd-hero-cover--raja.pd-hero-cover--screenshot-light {
  background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
}

[data-theme="dark"] .pd-gallery--raja .pd-gallery-item--screenshot-light {
  background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
}

@media (max-width: 640px) {
  .pd-gallery--raja {
    grid-template-columns: 1fr;
  }

  .pd-gallery--raja .pd-gallery-item--featured {
    aspect-ratio: 16 / 10;
  }

  .pd-hero-cover--raja.pd-hero-cover--screenshot img {
    aspect-ratio: 16 / 10;
  }
}

/* Luxura Shop — hero & galerie */
.pd-hero-cover--luxura:hover {
  border-color: rgba(212, 175, 55, 0.45);
  box-shadow: var(--pd-shadow-hero), 0 0 48px rgba(212, 175, 55, 0.14);
}

.pd-hero-cover--luxura.pd-hero-cover--photo img {
  object-fit: cover;
  object-position: center center;
  aspect-ratio: 16 / 9;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.45s ease;
}

.pd-hero-cover--luxura.pd-hero-cover--photo:hover img {
  transform: scale(1.04);
  filter: brightness(1.04) saturate(1.05);
}

.pd-gallery--luxura {
  grid-template-columns: repeat(2, 1fr);
}

.pd-gallery--luxura .pd-gallery-item--featured {
  grid-column: 1 / -1;
  aspect-ratio: 21 / 9;
}

.pd-gallery--luxura .pd-gallery-item--photo img {
  object-fit: cover;
  object-position: center center;
}

.pd-gallery--luxura .pd-gallery-item--photo:hover img {
  transform: scale(1.06);
  filter: brightness(1.04);
}

/* Location de Voitures — hero & galerie */
.pd-hero-cover--location-voitures:hover {
  border-color: rgba(59, 130, 246, 0.45);
  box-shadow: var(--pd-shadow-hero), 0 0 48px rgba(59, 130, 246, 0.14);
}

.pd-hero-cover--location-voitures.pd-hero-cover--photo img {
  object-fit: cover;
  object-position: center center;
  aspect-ratio: 16 / 9;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.45s ease;
}

.pd-hero-cover--location-voitures.pd-hero-cover--photo:hover img {
  transform: scale(1.04);
  filter: brightness(1.05);
}

.pd-gallery--location-voitures {
  grid-template-columns: repeat(2, 1fr);
}

.pd-gallery--location-voitures .pd-gallery-item--featured {
  grid-column: 1 / -1;
  aspect-ratio: 21 / 9;
}

.pd-gallery--location-voitures .pd-gallery-item--photo img {
  object-fit: cover;
  object-position: center center;
}

.pd-gallery--location-voitures .pd-gallery-item--photo:hover img {
  transform: scale(1.06);
  filter: brightness(1.05);
}

@media (max-width: 640px) {
  .pd-gallery--luxura,
  .pd-gallery--location-voitures {
    grid-template-columns: 1fr;
  }

  .pd-gallery--luxura .pd-gallery-item--featured,
  .pd-gallery--location-voitures .pd-gallery-item--featured {
    aspect-ratio: 16 / 10;
  }

  .pd-hero-cover--luxura.pd-hero-cover--photo img,
  .pd-hero-cover--location-voitures.pd-hero-cover--photo img {
    aspect-ratio: 16 / 10;
  }
}

/* --- Section blocks --- */
.pd-section {
  padding: 64px 0;
  border-top: 1px solid var(--pd-border);
}

.pd-section:first-of-type { border-top: none; }

.pd-section-header {
  margin-bottom: 36px;
}

.pd-section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pd-accent);
  margin-bottom: 10px;
}

.pd-section h2 {
  font-family: var(--pd-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.pd-section-desc {
  color: var(--pd-muted);
  font-size: 1rem;
  max-width: 600px;
}

/* --- Cards grid --- */
.pd-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pd-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.pd-card {
  padding: 28px;
  background: var(--pd-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
}

.pd-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: var(--pd-shadow-card), 0 0 30px rgba(59, 130, 246, 0.08);
}

[data-theme="light"] .pd-card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1), 0 0 24px rgba(37, 99, 235, 0.1);
}

.pd-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  color: var(--pd-neon);
  font-size: 1.25rem;
}

.pd-card h3 {
  font-family: var(--pd-display);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.pd-card p { font-size: 0.875rem; color: var(--pd-muted); line-height: 1.6; }

/* --- Lists --- */
.pd-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pd-border);
  font-size: 0.9375rem;
  color: var(--pd-muted);
}

.pd-list li:last-child { border-bottom: none; }

.pd-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  margin-top: 10px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pd-accent), var(--pd-cyan));
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.4);
}

.pd-list strong { color: var(--pd-text); }

/* --- Tech tags --- */
.pd-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pd-tech span {
  padding: 8px 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--pd-neon);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.pd-tech span:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.2);
}

/* --- Gallery --- */
.pd-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pd-gallery-item {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--pd-border);
  aspect-ratio: 16/10;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s;
}

.pd-gallery-item:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.pd-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.pd-gallery-item:hover img { transform: scale(1.08); }

.pd-gallery-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
}

/* --- Challenge / Solution pairs --- */
.pd-challenge {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.pd-challenge-box {
  padding: 24px;
  border-radius: var(--pd-radius);
  border: 1px solid var(--pd-border);
}

.pd-challenge-box.problem {
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.2);
}

.pd-challenge-box.solution {
  background: rgba(34, 197, 94, 0.06);
  border-color: rgba(34, 197, 94, 0.2);
}

.pd-challenge-box h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.pd-challenge-box.problem h4 { color: #f87171; }
.pd-challenge-box.solution h4 { color: #4ade80; }

.pd-challenge-box p { font-size: 0.875rem; color: var(--pd-muted); }

/* --- Results metrics --- */
.pd-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pd-metric {
  padding: 28px 20px;
  text-align: center;
  background: var(--pd-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius);
  transition: transform 0.3s, border-color 0.3s;
}

.pd-metric:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.35);
}

.pd-metric-value {
  font-family: var(--pd-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--pd-metric-grad-start), var(--pd-metric-grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: var(--pd-neon);
  margin-bottom: 6px;
}

.pd-metric-label { font-size: 0.8125rem; color: var(--pd-muted); }

/* --- Cahier des charges --- */
.pd-cdc-nav {
  position: sticky;
  top: calc(var(--pd-header) + var(--pd-nav) + 8px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0 32px;
  margin-bottom: 16px;
  background: var(--pd-bg);
  z-index: 10;
  border-bottom: 1px solid var(--pd-border);
}

.pd-cdc-nav a {
  padding: 8px 14px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--pd-muted);
  background: var(--pd-card);
  border: 1px solid var(--pd-border);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.25s;
}

.pd-cdc-nav a:hover,
.pd-cdc-nav a.active {
  color: var(--pd-nav-active-text);
  border-color: rgba(59, 130, 246, 0.4);
  background: rgba(59, 130, 246, 0.12);
}

[data-theme="light"] .pd-cdc-nav a:hover,
[data-theme="light"] .pd-cdc-nav a.active {
  background: rgba(37, 99, 235, 0.1);
}

.pd-cdc-block {
  padding: 40px 0;
  border-bottom: 1px solid var(--pd-border);
  scroll-margin-top: calc(var(--pd-header) + var(--pd-nav) + 80px);
}

.pd-cdc-block:last-child { border-bottom: none; }

.pd-cdc-block h3 {
  font-family: var(--pd-display);
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--pd-neon);
}

.pd-cdc-block p,
.pd-cdc-block li {
  font-size: 0.9375rem;
  color: var(--pd-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}

.pd-cdc-block ul { padding-left: 0; list-style: none; }

.pd-cdc-block ul li {
  padding-left: 20px;
  position: relative;
}

.pd-cdc-block ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--pd-accent);
}

.pd-table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border-radius: var(--pd-radius);
  border: 1px solid var(--pd-border);
}

.pd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.pd-table th,
.pd-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--pd-border);
}

.pd-table th {
  background: rgba(59, 130, 246, 0.1);
  color: var(--pd-text);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pd-table td { color: var(--pd-muted); }
.pd-table tr:last-child td { border-bottom: none; }

/* --- Architecture diagram --- */
.pd-arch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px;
  background: var(--pd-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius);
}

.pd-arch-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.pd-arch-box {
  padding: 14px 24px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 10px;
  color: var(--pd-neon);
  min-width: 120px;
}

.pd-arch-arrow {
  color: var(--pd-muted);
  font-size: 1.25rem;
}

/* --- Timeline --- */
.pd-timeline { position: relative; padding-left: 28px; }

.pd-timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--pd-accent), var(--pd-cyan));
}

.pd-timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.pd-timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pd-accent);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
}

.pd-timeline-item h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.pd-timeline-item span {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--pd-cyan);
  margin-bottom: 8px;
}

.pd-timeline-item p { font-size: 0.875rem; color: var(--pd-muted); }

/* --- Reveal animation --- */
.pd-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.pd-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Footer CTA --- */
.pd-footer-cta {
  padding: 64px 0 80px;
  text-align: center;
}

.pd-footer-cta-inner {
  padding: 48px 32px;
  background: var(--pd-card);
  border: 1px solid var(--pd-border);
  border-radius: 20px;
  transition: background 0.35s ease, border-color 0.35s ease;
}

.pd-footer-cta h3 {
  font-family: var(--pd-display);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.pd-footer-cta p { color: var(--pd-muted); margin-bottom: 24px; }

.pd-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--pd-accent), #2563eb);
  border: none;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s;
}

.pd-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4);
}

.pd-btn-outline {
  background: transparent;
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: var(--pd-neon);
  margin-left: 12px;
}

.pd-btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .pd-grid-3, .pd-gallery, .pd-metrics { grid-template-columns: repeat(2, 1fr); }
  .pd-challenge { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .pd-grid-2, .pd-grid-3, .pd-gallery, .pd-metrics { grid-template-columns: 1fr; }
  .pd-hero-meta { gap: 16px; }
  .pd-cdc-nav { overflow-x: auto; flex-wrap: nowrap; }
  .pd-btn-outline { margin-left: 0; margin-top: 12px; }
  .pd-footer-cta-inner { padding: 32px 20px; }
  .pd-topbar { padding: 0 16px; }
  .pd-topbar-back { font-size: 0.75rem; padding: 8px 12px; }
}

/* --- Light mode extras --- */
[data-theme="light"] .pd-challenge-box.problem {
  background: rgba(239, 68, 68, 0.06);
}

[data-theme="light"] .pd-challenge-box.solution {
  background: rgba(34, 197, 94, 0.06);
}

[data-theme="light"] .pd-challenge-box.problem h4 { color: #dc2626; }
[data-theme="light"] .pd-challenge-box.solution h4 { color: #16a34a; }

[data-theme="light"] .pd-gallery-item:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .pd-btn-outline {
  color: var(--pd-accent);
  border-color: rgba(37, 99, 235, 0.35);
}

[data-theme="light"] .pd-btn-outline:hover {
  background: rgba(37, 99, 235, 0.08);
}

[data-theme="light"] .pd-section {
  transition: background 0.35s ease, border-color 0.35s ease;
}

[data-theme="light"] .pd-table th {
  background: rgba(37, 99, 235, 0.08);
  color: var(--pd-text);
}

[data-theme="light"] .pd-cdc-block h3 {
  color: var(--pd-accent);
}

[data-theme="light"] .pd-tech span {
  color: var(--pd-accent);
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.18);
}

[data-theme="light"] .pd-badge {
  color: #0891b2;
  background: rgba(8, 145, 178, 0.08);
  border-color: rgba(8, 145, 178, 0.2);
}