:root {
  --bg: #f7f9fc;
  --bg-soft: #f1f5fb;
  --card: #ffffff;
  --line: #e5ebf3;
  --text: #101828;
  --muted: #667085;
  --primary: #155eef;
  --primary-soft: #eef4ff;
  --radius: 24px;
  --shadow: 0 20px 50px rgba(16, 24, 40, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
}
.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(21,94,239,0.10), transparent 24%),
    radial-gradient(circle at top right, rgba(56,189,248,0.07), transparent 20%);
  pointer-events: none;
}
.container {
  position: relative;
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 24px 0 48px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-bottom: 30px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #4f8cff);
  color: white;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(21, 94, 239, 0.22);
}
.brand strong { display: block; letter-spacing: -0.03em; }
.brand span { color: var(--muted); font-size: 0.9rem; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.nav-actions a {
  color: var(--muted);
  font-weight: 600;
}
.nav-cta {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--line);
}
.hero {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr;
  gap: 20px;
  align-items: stretch;
}
.hero-copy { padding: 12px 2px 0; }
.eyebrow, .section-tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 700;
}
h1 {
  margin: 18px 0 18px;
  font-size: clamp(2.45rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
  max-width: 820px;
}
h1 span { color: var(--primary); }
.lead, .side-copy, .info-card p, .step-card p, .faq-item p, .register-copy, .simple-card p, .small-note {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.02rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 26px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 22px;
  border-radius: 18px;
  font-weight: 800;
  transition: transform 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #2b6fff); color: white; }
.btn-secondary { background: white; border: 1px solid var(--line); color: var(--text); }
.full { width: 100%; }
.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.metric-card, .card, .step-card {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}
.metric-card {
  padding: 18px;
}
.metric-card strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.metric-card span { color: var(--muted); font-size: 0.95rem; }
.hero-side {
  padding: 24px;
}
.mini-label {
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.countdown {
  font-size: clamp(1.35rem, 3vw, 2.25rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  margin: 10px 0 8px;
}
.divider {
  height: 1px;
  background: var(--line);
  margin: 20px 0;
}
.bullet-list {
  margin: 10px 0 0 18px;
  padding: 0;
  color: var(--muted);
  line-height: 1.7;
}
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}
.info-card, .faq-card, .register-card, .simple-card {
  padding: 28px;
}
.info-card h2, .steps-section h2, .faq-card h2, .register-card h2, .simple-card h1 {
  margin: 14px 0 10px;
  letter-spacing: -0.045em;
}
.card-soft {
  margin-top: 20px;
  padding: 30px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 32px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}
.step-card {
  padding: 24px;
}
.step-card span {
  display: block;
  color: var(--primary);
  font-size: 0.92rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}
.step-card h3 { margin: 0 0 10px; letter-spacing: -0.03em; }
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}
.faq-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: #fafcff;
}
.faq-item h3 { margin: 0 0 8px; font-size: 1rem; }
.form-grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}
.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}
label span { font-size: 0.95rem; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 15px 16px;
  font: inherit;
  background: white;
  color: var(--text);
}
input:focus, textarea:focus {
  outline: none;
  border-color: rgba(21, 94, 239, 0.35);
  box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.08);
}
.checkbox-row {
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 12px;
  font-weight: 500;
  color: var(--muted);
}
.checkbox-row input { width: 18px; height: 18px; margin-top: 3px; }
.footer {
  text-align: center;
  color: var(--muted);
  padding-top: 28px;
  font-size: 0.94rem;
}
.simple-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}
@media (max-width: 980px) {
  .hero, .cards-3, .steps-grid, .split-layout, .field-row, .metric-row {
    grid-template-columns: 1fr;
  }
  .container { width: min(100% - 18px, 1180px); }
  .info-card, .faq-card, .register-card, .simple-card, .hero-side, .card-soft { padding: 24px; }
}