:root {
  --brand-primary: #1f4b99;
  --brand-secondary: #ff7a59;
  --brand-accent: #2fbf71;
  --ink: #1c2430;
  --muted: #5b6774;
  --bg-soft: #f7f9fc;
  --card: #ffffff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
  font-family: 'Manrope', 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg-soft);
  line-height: 1.6;
  margin: 0;
  padding-bottom: 48px;
}

a { color: var(--brand-primary); }
a:hover { color: var(--brand-secondary); }

.navbar-brand { font-weight: 700; letter-spacing: 0.5px; }

.page-hero {
  background: linear-gradient(120deg, rgba(31,75,153,0.1), rgba(47,191,113,0.12));
  border-radius: 16px;
  padding: 32px;
  margin: 24px 0;
  box-shadow: var(--shadow);
}

.page-hero h1 {
  font-family: 'Playfair Display', serif;
  margin-bottom: 12px;
}

.hero-badge {
  display: inline-block;
  background: var(--brand-secondary);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  animation: floaty 4s ease-in-out infinite;
}

@keyframes floaty {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

.section-card {
  background: var(--card);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.word-counter {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  margin: 16px 0 6px;
  color: var(--brand-primary);
}

.ad-card {
  border: 2px dashed var(--brand-secondary);
  border-radius: 12px;
  padding: 16px;
  background: #fff7f3;
  box-shadow: inset 0 0 0 1px rgba(255, 122, 89, 0.25);
  margin-bottom: 16px;
}

.ad-card h4 { margin-top: 0; }

.ad-variant-b { border-color: var(--brand-accent); background: #f1fff7; box-shadow: inset 0 0 0 1px rgba(47,191,113,0.25); }
.ad-variant-c { border-color: var(--brand-primary); background: #eef3ff; box-shadow: inset 0 0 0 1px rgba(31,75,153,0.25); }

.ad-animated { position: relative; overflow: hidden; }
.ad-animated::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(255,122,89,0.18), transparent 55%);
  animation: pulse 2.2s ease-in-out infinite;
  z-index: 0;
}
.ad-animated::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.35) 45%, transparent 70%);
  transform: translateX(-120%);
  animation: sweep 2s ease-in-out infinite;
  z-index: 0;
}
.ad-animated * { position: relative; z-index: 1; }

@keyframes pulse {
  0% { transform: scale(0.72) rotate(0deg); opacity: 0.4; }
  50% { transform: scale(1.12) rotate(3deg); opacity: 1; }
  100% { transform: scale(0.78) rotate(-3deg); opacity: 0.4; }
}

@keyframes sweep {
  0% { transform: translateX(-120%); opacity: 0; }
  20% { opacity: 1; }
  60% { transform: translateX(120%); opacity: 1; }
  100% { transform: translateX(120%); opacity: 0; }
}

.auto-scroll-box {
  max-height: 240px;
  overflow-y: auto;
  border-radius: 10px;
  padding: 16px;
  border: 1px solid #d9e2ec;
  background: #ffffff;
  box-shadow: inset 0 1px 0 rgba(0,0,0,0.02);
  cursor: pointer;
}

.catalog-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.catalog-table th, .catalog-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #e3e8ef;
}

.catalog-table thead {
  background: #eef3ff;
}

.catalog-table tbody tr:nth-child(odd) { background: #f9fbff; }

.search-bar input { max-width: 280px; }

.item-card img { border-radius: 10px; box-shadow: var(--shadow); }

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.tile {
  perspective: 800px;
}

.tile-inner {
  position: relative;
  width: 100%;
  padding-top: 100%;
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
}

.tile.flipped .tile-inner { transform: rotateY(180deg); }

.tile-face {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  backface-visibility: hidden;
  box-shadow: var(--shadow);
  font-weight: 700;
}

.tile-front { background: linear-gradient(135deg, var(--brand-primary), #132d68); color: #fff; }
.tile-back { background: linear-gradient(135deg, #fff7f3, #ffe5dc); color: var(--ink); transform: rotateY(180deg); }

.media-embed video, .media-embed audio { width: 100%; border-radius: 12px; box-shadow: var(--shadow); }

.form-card form { gap: 12px; }

footer {
  margin-top: 32px;
  padding: 16px 0;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 768px) {
  .page-hero { padding: 20px; }
  .navbar-brand { font-size: 1rem; }
}