:root {
  --bg: #f7f8fc;
  --surface: #ffffff;
  --surface-alt: #eef2f8;
  --text: #1d2433;
  --muted: #586179;
  --line: #dbe2ef;
  --primary: #be1e2d;
  --primary-dark: #961924;
  --accent: #4e627a;
  --shadow: 0 18px 50px rgba(18, 28, 45, 0.08);
  --radius: 22px;
  --container: 1180px;
}
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(190, 30, 45, 0.08), transparent 20%),
    radial-gradient(circle at top right, rgba(78, 98, 122, 0.08), transparent 18%),
    var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: 16px; top: 16px; background: #fff; padding: 10px 14px; border-radius: 10px; z-index: 999;
}
.container { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px);
  background: rgba(247, 248, 252, 0.88); border-bottom: 1px solid rgba(219, 226, 239, 0.8);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0;
}
.brand-block { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo { object-fit: contain; background: #fff; border-radius: 14px; box-shadow: var(--shadow); }
.logo-ubm { height: 72px; padding: 10px 12px; }
.logo-isic { height: 72px; padding: 6px; }
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.main-nav a:hover { color: var(--primary); }
.hero { padding: 60px 0 40px; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 36px; align-items: center;
}
.eyebrow, .section-kicker {
  margin: 0 0 8px; color: var(--primary); font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.08em; font-size: 0.82rem;
}
h1, h2, h3 { line-height: 1.1; margin: 0 0 14px; }
h1 { font-size: clamp(2.4rem, 5vw, 4.6rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); letter-spacing: -0.03em; }
h3 { font-size: 1.12rem; }
.hero-subtitle {
  font-size: 1.25rem; color: var(--accent); font-weight: 700; margin: 0 0 18px;
}
.hero-text, .section p, .card p, li { color: var(--muted); }
.hero-badges {
  display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 30px;
}
.hero-badges span {
  background: #fff; border: 1px solid var(--line); color: var(--text);
  padding: 10px 14px; border-radius: 999px; font-weight: 700; box-shadow: var(--shadow);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 13px 18px;
  border-radius: 14px; font-weight: 700; transition: 0.2s ease; border: 1px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-secondary { background: #fff; border-color: var(--line); color: var(--text); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.hero-visual img { width: 100%; filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.08)); }
.stats { padding: 10px 0 30px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat-card, .card, .feature-card, .ue-card, .audience-card, .cta-card {
  background: var(--surface); border: 1px solid rgba(219, 226, 239, 0.9); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stat-card { padding: 24px; text-align: center; }
.stat-card strong { display: block; font-size: 2rem; color: var(--primary); }
.section { padding: 52px 0; }
.section-alt {
  background: linear-gradient(180deg, rgba(238, 242, 248, 0.6), rgba(238, 242, 248, 0.2));
  border-top: 1px solid rgba(219, 226, 239, 0.7);
  border-bottom: 1px solid rgba(219, 226, 239, 0.7);
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.card { padding: 28px; }
.media-card { overflow: hidden; }
.features-grid, .ue-grid, .audience-grid { display: grid; gap: 18px; }
.features-grid { grid-template-columns: repeat(3, 1fr); }
.feature-card { padding: 24px; }
.ue-grid { grid-template-columns: repeat(3, 1fr); }
.ue-card { padding: 24px; }
.ue-card span {
  display: inline-block; padding: 6px 10px; border-radius: 999px; background: rgba(190, 30, 45, 0.1);
  color: var(--primary); font-weight: 800; margin-bottom: 14px;
}
.ue-card-highlight { background: linear-gradient(135deg, rgba(190, 30, 45, 0.06), rgba(255, 255, 255, 1)); }
.timeline {
  list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 14px;
}
.timeline li {
  position: relative; padding: 16px 18px 16px 52px; background: #fff; border: 1px solid var(--line);
  border-radius: 16px; box-shadow: var(--shadow);
}
.timeline li::before {
  content: ""; position: absolute; left: 18px; top: 18px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--primary); box-shadow: 0 0 0 6px rgba(190, 30, 45, 0.12);
}
.check-list, .simple-list { padding-left: 0; margin: 0; list-style: none; }
.check-list li, .simple-list li { position: relative; padding-left: 30px; margin-bottom: 12px; }
.check-list li::before, .simple-list li::before {
  content: "•"; position: absolute; left: 8px; color: var(--primary); font-weight: 800;
}
.accent-card {
  border: 1px solid rgba(190, 30, 45, 0.18); background: linear-gradient(180deg, rgba(190, 30, 45, 0.04), #fff);
}
.audience-grid { grid-template-columns: repeat(3, 1fr); }
.audience-card { padding: 22px; font-weight: 600; }
.cta-section { padding-bottom: 72px; }
.cta-card {
  padding: 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: linear-gradient(135deg, rgba(190, 30, 45, 0.08), rgba(255, 255, 255, 1));
}
.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner {
  padding: 20px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--muted); font-size: 0.95rem;
}
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (max-width: 1080px) {
  .hero-grid, .two-col, .features-grid, .ue-grid, .audience-grid, .stats-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
}
@media (max-width: 720px) {
  .hero-grid, .two-col, .features-grid, .ue-grid, .audience-grid, .stats-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 34px; }
  .logo-ubm, .logo-isic { height: 56px; }
  .cta-card { flex-direction: column; align-items: flex-start; }
  .header-inner { align-items: flex-start; }
}