/* Taalim News — Professional Arabic RTL Website */

:root {
  --primary: #0B2B6F;
  --primary-dark: #061A44;
  --primary-light: #1E3A8A;
  --accent: #14B8FF;
  --accent-sky: #38BDF8;
  --gold: #F5B84B;
  --mint: #10B981;
  --purple: #7C3AED;
  --bg: #F4F7FC;
  --bg-alt: #EAF1FB;
  --surface: #FFFFFF;
  --text: #08152F;
  --text-secondary: #4B5F7A;
  --text-muted: #7A8AA0;
  --stroke: #E0E9F7;
  --shadow-sm: 0 2px 8px rgba(11, 43, 111, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 43, 111, 0.1);
  --shadow-lg: 0 16px 48px rgba(11, 43, 111, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 72px;
  --ticker-h: 44px;
  --container: 1200px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Cairo", "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  direction: rtl;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }

.media-frame-img {
  max-width: none;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--stroke);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 12px;
  flex-wrap: nowrap;
  min-width: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.logo span {
  white-space: nowrap;
}

.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: contain;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  background: #fff;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  flex-shrink: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-desktop::-webkit-scrollbar {
  display: none;
}

.nav-desktop a {
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--primary);
  background: var(--bg-alt);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-auth-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-app-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-inline-start: 12px;
  padding-inline-start: 12px;
  border-inline-start: 1px solid var(--stroke);
  flex-shrink: 0;
}

.app-qr-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  border-radius: 8px;
  border: 1px solid var(--stroke);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  flex-shrink: 0;
  position: relative;
  line-height: 0;
}

.app-qr-box:hover {
  border-color: var(--accent-sky);
  box-shadow: var(--shadow-md);
}

.app-qr-img {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  display: block;
  image-rendering: pixelated;
}

.app-qr-box::after {
  content: "امسح لتحميل التطبيق";
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-start: 50%;
  transform: translateX(50%) translateY(4px);
  background: var(--primary-dark);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: var(--transition);
  z-index: 120;
  box-shadow: var(--shadow-md);
}

[dir="rtl"] .app-qr-box::after {
  transform: translateX(50%) translateY(4px);
}

.app-qr-box:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(50%) translateY(0);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 14px rgba(11, 43, 111, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(11, 43, 111, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--stroke);
}

.btn-outline:hover { border-color: var(--primary); background: var(--bg-alt); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold), #E09B1A);
  color: var(--primary-dark);
}

.btn-mint {
  background: linear-gradient(135deg, var(--mint), #059669);
  color: #fff;
}

[data-admin-only] {
  display: none !important;
}

[data-admin-only].is-admin-visible {
  display: inline-flex !important;
}

a[data-admin-only].is-admin-visible {
  display: inline-flex !important;
}

.footer-col a[data-admin-only].is-admin-visible {
  display: block !important;
}

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

.btn-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #fff;
  color: var(--text);
  border: 2px solid var(--stroke);
  font-weight: 700;
}

.btn-google:hover {
  border-color: var(--primary);
  background: var(--bg-alt);
}

.auth-user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.auth-user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  background: var(--bg-alt);
  border-radius: 999px;
  border: 1px solid var(--stroke);
  white-space: nowrap;
  flex-shrink: 0;
}

.auth-user-photo,
.auth-user-initial {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
}

.auth-user-initial {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-weight: 800;
  font-size: 0.75rem;
}

.auth-user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.comments-section {
  margin-top: 40px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.comments-header h2 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}

.comments-count {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.comments-login-prompt {
  text-align: center;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.comments-login-prompt p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 0.92rem;
}

.comment-composer {
  margin-bottom: 24px;
}

.comment-composer textarea {
  margin-bottom: 10px;
}

.comment-composer .admin-textarea,
.comments-section .admin-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--stroke);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}

.comment-card {
  padding: 16px 0;
  border-bottom: 1px solid var(--stroke);
}

.comment-card:last-child { border-bottom: none; }

.comment-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.comment-card-header strong {
  font-size: 0.92rem;
  color: var(--text);
}

.comment-card-header span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.comment-card-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
}

.comment-card-actions {
  display: flex;
  gap: 8px;
}

.btn-danger-outline {
  color: #B91C1C !important;
  border-color: #FECACA !important;
}

.comments-empty,
.comments-loading {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 12px 16px 20px;
  border-top: 1px solid var(--stroke);
  background: var(--surface);
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  padding: 12px 8px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  border-bottom: 1px solid var(--stroke);
}

/* ── Ticker ── */
.ticker-bar {
  background: var(--primary-dark);
  color: #fff;
  height: var(--ticker-h);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.ticker-label {
  flex-shrink: 0;
  background: var(--gold);
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 0.78rem;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}

.ticker-track-wrap {
  overflow: hidden;
  flex: 1;
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.ticker-track {
  display: flex;
  gap: 48px;
  animation: ticker-scroll 40s linear infinite;
  white-space: nowrap;
  padding-inline: 24px;
}

.ticker-track:hover { animation-play-state: paused; }

.ticker-item {
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ticker-item::before {
  content: "●";
  color: var(--accent);
  font-size: 0.5rem;
}

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

/* ── Hero ── */
.hero {
  position: relative;
  padding: 56px 0 64px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(6, 26, 68, 0.92) 0%, rgba(11, 43, 111, 0.85) 50%, rgba(30, 58, 138, 0.8) 100%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent-sky);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-desc {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  margin-bottom: 24px;
  max-width: 520px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.hero-tag {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

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

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-card-visual {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.stat-box {
  text-align: center;
  padding: 16px 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
}

.stat-box .num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--gold);
}

.stat-box .lbl {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
}

.hero-illustration {
  font-size: 5rem;
  text-align: center;
  margin-bottom: 8px;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.2));
}

/* ── Sections ── */
section { padding: 56px 0; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title .icon {
  width: 36px;
  height: 36px;
  background: var(--bg-alt);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 4px;
}

/* ── Two-column layout: 2/3 wide + 1/3 narrow, equal height ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: stretch;
}

@media (min-width: 993px) {
  .two-col {
    grid-template-columns: 2fr 1fr;
  }

  .col-span-wide .article-card-thumb {
    width: 210px;
    height: 140px;
  }
}

.col-panel {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100%;
}

.col-panel-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.col-panel-actions {
  margin-top: auto;
  flex-shrink: 0;
  padding-top: 20px;
  text-align: center;
}

/* ── Resource cards (app-style) ── */
.resource-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 20px;
}

.resource-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--card-accent, var(--primary)) 18%, var(--stroke));
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.resource-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.resource-card-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  background: color-mix(in srgb, var(--card-accent, var(--primary)) 12%, transparent);
  border-radius: 14px;
}

.resource-card-body { flex: 1; min-width: 0; }

.resource-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.resource-card-body p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.resource-card-arrow {
  flex-shrink: 0;
  color: var(--text-muted);
  font-size: 1.4rem;
  font-weight: 300;
}

.section-divider {
  height: 1px;
  background: var(--stroke);
  margin: 20px 0;
}

.section-divider-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.article-list { display: flex; flex-direction: column; gap: 16px; }

/* ── Media frame (صفحة المقال فقط) ── */
.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary-light) 100%);
}

.media-frame-bg {
  position: absolute;
  inset: -25%;
  background-size: cover;
  background-position: center;
  filter: blur(32px) saturate(1.15) brightness(0.7);
  transform: scale(1.2);
  z-index: 0;
  pointer-events: none;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(6, 26, 68, 0.05) 0%,
    rgba(6, 26, 68, 0.22) 100%
  );
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.media-frame-img {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center;
  display: block;
}

.article-card {
  display: flex;
  gap: 16px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  align-items: flex-start;
}

.article-card:hover {
  background: var(--bg);
  border-color: var(--stroke);
  box-shadow: var(--shadow-sm);
}

.article-card-thumb {
  position: relative;
  flex-shrink: 0;
  width: 135px;
  height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-alt);
}

.article-card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center;
  display: block;
}

.article-card-body { flex: 1; min-width: 0; }

.article-card .subject {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--mint);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.article-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
  margin: 4px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card .article-excerpt {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 6px 0 10px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  min-height: calc(1.6em * 2);
  word-break: break-word;
}

.article-card .meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Event cards ── */
.event-list { display: flex; flex-direction: column; gap: 12px; }

.event-card {
  display: flex;
  gap: 14px;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--stroke);
  transition: var(--transition);
  align-items: center;
}

.event-card.has-image {
  padding-left: 0;
  overflow: hidden;
}

.event-thumb {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-left: 14px;
}

.event-card:hover {
  border-color: var(--accent-sky);
  box-shadow: var(--shadow-sm);
}

.event-date-box {
  flex-shrink: 0;
  width: 56px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 8px 4px;
}

.event-date-box .day { font-size: 1.3rem; font-weight: 900; line-height: 1; }
.event-date-box .mon { font-size: 0.65rem; font-weight: 700; opacity: 0.85; }

.event-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.event-card .loc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Feature cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-sky);
}

.feature-card .emoji { font-size: 2.5rem; margin-bottom: 12px; }

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* ── Join section ── */
.join-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.join-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  color: #fff;
  transition: var(--transition);
}

.join-card:hover { transform: scale(1.02); }

.join-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
}

.join-card:nth-child(1)::before { background: linear-gradient(160deg, #0B2B6F, #1E3A8A); }
.join-card:nth-child(2)::before { background: linear-gradient(160deg, #7C3AED, #2563EB); }
.join-card:nth-child(3)::before { background: linear-gradient(160deg, #059669, #0F766E); }

.join-card > * { position: relative; z-index: 1; }

.join-card .emoji { font-size: 2.2rem; margin-bottom: 12px; }

.join-card h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 8px; }

.join-card p { font-size: 0.88rem; opacity: 0.9; margin-bottom: 16px; }

.join-card .btn {
  align-self: flex-start;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  backdrop-filter: blur(4px);
}

.join-card .btn:hover { background: rgba(255,255,255,0.3); }

/* ── Footer ── */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; opacity: 0.75; line-height: 1.8; }

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.88rem;
  opacity: 0.75;
  transition: var(--transition);
}

.footer-col a:hover { opacity: 1; color: var(--accent-sky); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  opacity: 0.6;
}

/* ── Skeleton loading ── */
.skeleton {
  background: linear-gradient(90deg, var(--stroke) 25%, var(--bg-alt) 50%, var(--stroke) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

.skeleton-card {
  display: flex;
  gap: 16px;
  padding: 12px;
}

.skeleton-card .sk-img { width: 110px; height: 80px; flex-shrink: 0; }
.skeleton-card .sk-body { flex: 1; }
.skeleton-card .sk-line { height: 12px; margin-bottom: 8px; }
.skeleton-card .sk-line.short { width: 60%; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .emoji { font-size: 2.5rem; margin-bottom: 12px; }

/* ── Article page ── */
.article-page { padding: 32px 0 64px; }

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 24px;
  transition: var(--transition);
}

.article-back:hover { color: var(--accent-sky); }

.article-hero.media-frame {
  width: min(100%, 840px);
  height: clamp(300px, 42vw, 400px);
  margin: 0 auto 32px;
  border-radius: 20px;
  box-shadow:
    0 28px 70px rgba(11, 43, 111, 0.16),
    0 8px 24px rgba(11, 43, 111, 0.08);
}

.article-hero .media-frame-bg {
  filter: blur(40px) saturate(1.2) brightness(0.65);
}

.article-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1.4;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--stroke);
}

.article-meta span { display: flex; align-items: center; gap: 6px; }

.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text);
}

.article-body p { margin-bottom: 16px; }

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.article-tag {
  background: var(--bg-alt);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
}

.article-share {
  margin-top: 32px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.share-btns { display: flex; gap: 8px; flex-wrap: wrap; }

.share-btns .btn { font-size: 0.82rem; padding: 8px 14px; }

.app-banner {
  margin-top: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  padding: 28px 32px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.app-banner h3 { font-size: 1.15rem; font-weight: 800; }

/* ── Responsive ── */
@media (max-width: 992px) {
  .hero-grid, .features-grid, .join-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual { order: -1; }
  .hero { padding: 40px 0 48px; }
}

.ads-resource-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  max-width: 900px;
}

@media (max-width: 768px) {
  .nav-desktop, .header-actions .btn-outline { display: none; }
  .app-qr-box { display: none; }
  .menu-toggle { display: block; }
  .article-card-thumb { width: 105px; height: 78px; }
  .article-hero.media-frame {
    height: clamp(220px, 58vw, 300px);
    border-radius: 16px;
  }
  .article-card h3 { font-size: 1rem; }
  section { padding: 40px 0; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; }
  .header-actions .btn-primary { font-size: 0.8rem; padding: 8px 14px; }
}

/* ── AI public content ── */
.ai-more-list {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--stroke);
}

.ai-more-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  text-align: center;
}

.ai-more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.ai-more-item {
  display: block;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.ai-more-item:hover {
  border-color: var(--purple);
  box-shadow: var(--shadow-sm);
}

.ai-more-item span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.ai-more-item strong {
  font-size: 0.92rem;
  color: var(--text);
}

.ai-examples {
  margin-top: 32px;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: var(--radius);
}

.ai-examples h3 {
  color: var(--primary);
  margin-bottom: 12px;
}

.ai-examples ul {
  list-style: disc;
  padding-inline-start: 24px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.quiz-card {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-md);
  max-width: 720px;
  margin: 0 auto;
}

.quiz-progress {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 12px 0 20px;
}

.quiz-question {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-option {
  padding: 14px 18px;
  border: 2px solid var(--stroke);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: start;
  cursor: pointer;
  transition: var(--transition);
}

.quiz-option:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--bg-alt);
}

.quiz-option.correct {
  border-color: var(--mint);
  background: rgba(16, 185, 129, 0.1);
}

.quiz-option.wrong {
  border-color: #DC2626;
  background: rgba(220, 38, 38, 0.08);
}

.quiz-feedback {
  margin-top: 20px;
  padding: 16px;
  border-radius: var(--radius-sm);
}

.quiz-feedback.ok { background: rgba(16, 185, 129, 0.1); }
.quiz-feedback.bad { background: rgba(220, 38, 38, 0.08); }

.quiz-result {
  text-align: center;
}

.quiz-score {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  margin: 16px 0;
}