/* ═══════════════════════════════════════
   JOIAFLIX — Netflix-style Jewelry Platform
   ═══════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-card: #1a1a1a;
  --bg-hover: #252525;
  --gold: #d4a853;
  --gold-light: #f0d68a;
  --gold-dark: #b8912e;
  --diamond: #b9d5ff;
  --silver: #c0c0c0;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-muted: #777777;
  --gradient-gold: linear-gradient(135deg, #d4a853 0%, #f0d68a 50%, #b8912e 100%);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
  --shadow-hover: 0 8px 40px rgba(212,168,83,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 8px;
  --radius-lg: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-dark); }

/* ═══════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to bottom, rgba(0,0,0,0.9) 0%, transparent 100%);
  transition: background 0.4s;
}

.navbar.scrolled {
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.navbar-logo {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.5px;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  cursor: pointer;
  user-select: none;
}

.navbar-logo span {
  -webkit-text-fill-color: var(--text-primary);
  font-weight: 300;
}

.navbar-nav {
  display: flex;
  gap: 32px;
  list-style: none;
}

.navbar-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--text-primary);
}

.navbar-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 0;
  padding: 8px 0;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: width 0.3s, padding 0.3s;
}

.search-box.open input {
  width: 240px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
}

.search-box button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
  padding: 4px;
}

.search-box button:hover {
  color: var(--gold);
}

/* ═══════════════════════════════════════
   HERO
   ═══════════════════════════════════════ */
.hero {
  position: relative;
  height: 85vh;
  min-height: 500px;
  display: flex;
  align-items: flex-end;
  padding: 0 48px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(10,10,10,0) 0%, rgba(10,10,10,0.4) 50%, rgba(10,10,10,1) 100%),
    linear-gradient(to right, rgba(10,10,10,0.8) 0%, rgba(10,10,10,0) 60%),
    url('') center/cover no-repeat;
  background-color: #1a1510;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: float-up 6s infinite;
}

@keyframes float-up {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  20% { opacity: 0.6; }
  80% { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-20vh) scale(1.5); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(212,168,83,0.15);
  border: 1px solid rgba(212,168,83,0.3);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gold-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-title .gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-meta .tag {
  padding: 4px 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  font-weight: 500;
}

.hero-meta .rating {
  color: var(--gold);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gold);
  color: #000;
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: scale(1.03);
  box-shadow: 0 0 30px rgba(212,168,83,0.3);
}

.btn-secondary {
  background: rgba(255,255,255,0.12);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
}

.btn-icon {
  font-size: 18px;
}

/* ═══════════════════════════════════════
   CATEGORY TABS
   ═══════════════════════════════════════ */
.category-tabs {
  display: flex;
  gap: 8px;
  padding: 0 48px;
  margin-bottom: 32px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.category-tab {
  flex-shrink: 0;
  padding: 10px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  user-select: none;
}

.category-tab:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.category-tab.active {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
  font-weight: 600;
}

/* ═══════════════════════════════════════
   CONTENT ROWS
   ═══════════════════════════════════════ */
.content-section {
  padding: 0 48px;
  margin-bottom: 48px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title .icon {
  font-size: 20px;
}

.section-count {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
}

.scroll-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-btn:hover {
  background: rgba(255,255,255,0.15);
  color: var(--text-primary);
}

.video-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.video-row::-webkit-scrollbar { display: none; }

/* ═══════════════════════════════════════
   VIDEO CARD
   ═══════════════════════════════════════ */
.video-card {
  flex-shrink: 0;
  width: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
  scroll-snap-align: start;
  position: relative;
}

.video-card:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
  z-index: 10;
}

.card-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #111;
}

.card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.video-card:hover .card-thumbnail img {
  transform: scale(1.1);
  filter: brightness(0.7);
}

.card-play-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .card-play-icon {
  opacity: 1;
}

.play-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(212,168,83,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #000;
  box-shadow: 0 4px 20px rgba(212,168,83,0.4);
  transition: var(--transition);
}

.play-circle:hover {
  transform: scale(1.1);
}

.card-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 2px 8px;
  background: rgba(0,0,0,0.8);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.card-language {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-language.pt { background: #2d7d46; color: #fff; }
.card-language.en { background: #2d5f7d; color: #fff; }
.card-language.es { background: #7d5f2d; color: #fff; }
.card-language.fr { background: #5f2d7d; color: #fff; }

.card-badge-movie {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 10px;
  background: linear-gradient(135deg, #e63946 0%, #c1121f 100%);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  border-radius: 4px;
  text-transform: uppercase;
  z-index: 2;
}

.video-card.is-movie .card-thumbnail::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: var(--transition);
}

.video-card.is-movie:hover .card-thumbnail::after {
  border-color: rgba(230,57,70,0.4);
}

.card-info {
  padding: 14px 16px;
}

.card-source {
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.card-meta .star {
  color: var(--gold);
}

.card-meta .dot {
  width: 3px;
  height: 3px;
  background: var(--text-muted);
  border-radius: 50%;
}

/* ═══════════════════════════════════════
   MODAL / PLAYER
   ═══════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 90%;
  max-width: 960px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
}

.modal-player iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  border: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: rgba(212,168,83,0.8);
  color: #000;
}

.modal-info {
  padding: 28px 32px;
}

.modal-source {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.modal-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.modal-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.modal-meta .tag {
  padding: 4px 12px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  font-weight: 500;
  font-size: 12px;
}

.modal-meta .rating {
  color: var(--gold);
  font-weight: 700;
}

.modal-description {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.modal-subtitle-tip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(212,168,83,0.08);
  border: 1px solid rgba(212,168,83,0.15);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.modal-subtitle-tip .tip-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.modal-actions .btn {
  font-size: 14px;
  padding: 12px 28px;
}

/* ═══════════════════════════════════════
   STATS BAR
   ═══════════════════════════════════════ */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 40px 48px;
  margin: 0 48px 48px;
  background: linear-gradient(135deg, rgba(212,168,83,0.05) 0%, rgba(185,213,255,0.03) 100%);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-lg);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* ═══════════════════════════════════════
   ALL VIDEOS GRID
   ═══════════════════════════════════════ */
.grid-section {
  padding: 0 48px;
  margin-bottom: 48px;
  display: none;
}

.grid-section.active {
  display: block;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.video-grid .video-card {
  width: 100%;
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.no-results .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.no-results p {
  font-size: 16px;
}

/* ═══════════════════════════════════════
   AD BANNER — ORION GOLD
   ═══════════════════════════════════════ */
.ad-banner {
  display: block;
  margin: 32px 48px;
  padding: 24px 36px;
  background: linear-gradient(135deg, #1a1408 0%, #2a1f0a 40%, #1a1408 100%);
  border: 1px solid rgba(212,168,83,0.25);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.ad-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(212,168,83,0.04) 50%, transparent 100%);
  animation: banner-shimmer 4s infinite;
}

@keyframes banner-shimmer {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

.ad-banner:hover {
  border-color: rgba(212,168,83,0.5);
  box-shadow: 0 4px 30px rgba(212,168,83,0.12);
  transform: translateY(-2px);
}

.ad-banner-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.ad-banner-logo {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.ad-logo-img {
  height: 56px;
  width: auto;
  border-radius: 8px;
  object-fit: contain;
  filter: brightness(1.1);
  transition: var(--transition);
}

.ad-banner:hover .ad-logo-img {
  filter: brightness(1.2);
  transform: scale(1.05);
}

.ad-brand {
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.5px;
}

.ad-brand-gold {
  font-size: 28px;
  font-weight: 300;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ad-badge {
  margin-left: 12px;
  padding: 3px 8px;
  background: rgba(212,168,83,0.15);
  border: 1px solid rgba(212,168,83,0.25);
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--gold);
  text-transform: uppercase;
}

.ad-banner-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ad-headline {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.ad-sub {
  font-size: 13px;
  color: var(--text-muted);
}

.ad-banner-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.ad-btn {
  padding: 10px 24px;
  background: var(--gold);
  color: #000;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.ad-banner:hover .ad-btn {
  background: var(--gold-light);
  box-shadow: 0 0 20px rgba(212,168,83,0.3);
}

.ad-instagram {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.ad-instagram:hover {
  color: #e1306c;
}

.ad-instagram svg {
  transition: var(--transition);
}

.ad-instagram:hover svg {
  color: #e1306c;
}

.ad-banner-footer {
  margin-top: 48px;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .ad-banner {
    margin: 24px 20px;
    padding: 20px;
  }

  .ad-banner-inner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .ad-banner-logo {
    justify-content: center;
  }

  .ad-banner-text {
    align-items: center;
  }

  .ad-headline {
    font-size: 14px;
  }
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.footer {
  padding: 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}

.footer-logo {
  font-size: 24px;
  font-weight: 900;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.footer p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer .note {
  margin-top: 12px;
  font-size: 11px;
  color: #555;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
  .navbar {
    padding: 12px 20px;
  }

  .navbar-nav {
    display: none;
  }

  .hero {
    height: 70vh;
    padding: 0 20px 60px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-description {
    font-size: 14px;
  }

  .category-tabs,
  .content-section,
  .grid-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .stats-bar {
    margin: 0 20px 48px;
    padding: 24px 20px;
    gap: 24px;
    flex-wrap: wrap;
  }

  .stat-number {
    font-size: 28px;
  }

  .video-card {
    width: 260px;
  }

  .modal {
    width: 95%;
  }

  .modal-info {
    padding: 20px;
  }

  .modal-title {
    font-size: 22px;
  }

  .footer {
    padding: 32px 20px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 26px;
  }

  .section-title {
    font-size: 18px;
  }

  .video-card {
    width: 220px;
  }
}

/* ═══════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.content-section {
  animation: fadeIn 0.5s ease-out;
}

.content-section:nth-child(2) { animation-delay: 0.1s; }
.content-section:nth-child(3) { animation-delay: 0.2s; }
.content-section:nth-child(4) { animation-delay: 0.3s; }

/* Loading shimmer */
.shimmer {
  background: linear-gradient(90deg, var(--bg-card) 25%, #222 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}