:root {
  --bg: #f7f7f8;
  --ink: #111827;
  --muted: #5b6472;
  --line: #e5e7eb;
  --dark: #101820;
  --navy: #0b1f3a;
  --orange: #f59e0b;
  --orange-dark: #d97706;
  --white: #ffffff;
  --soft: #fff7ed;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

.page-shell {
  max-width: 1140px;
  margin: 0 auto;
  padding: 28px 18px 46px;
}

.hero {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 42px 32px;
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.24), transparent 32%),
    linear-gradient(135deg, #071525 0%, #0b1f3a 62%, #111827 100%);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 42px solid rgba(255,255,255,0.05);
}

.hero-badge,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero-badge {
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.18);
  color: #fde68a;
  border: 1px solid rgba(245, 158, 11, 0.28);
}

.hero h1 {
  margin: 18px 0 12px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero p {
  max-width: 830px;
  margin: 0;
  color: rgba(255,255,255,0.84);
  font-size: 18px;
  line-height: 1.7;
}

.quick-topics,
.contact-layout {
  margin-top: 34px;
}

.section-kicker {
  color: var(--orange-dark);
}

.quick-topics h2,
.contact-panel h2 {
  margin: 10px 0 8px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-note {
  max-width: 760px;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.topic-card {
  display: block;
  min-height: 190px;
  padding: 20px;
  color: inherit;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.topic-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 158, 11, 0.55);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.08);
}

.topic-card span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--orange-dark);
  font-weight: 800;
  font-size: 13px;
}

.topic-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.28;
  margin-bottom: 8px;
}

.topic-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
  gap: 22px;
  align-items: start;
}

.contact-panel,
.info-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 26px;
}

.contact-form {
  display: grid;
  gap: 12px;
}

.contact-form label {
  font-weight: 700;
  color: #172033;
  font-size: 14px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
}

.contact-form button {
  margin-top: 8px;
  border: 0;
  border-radius: 14px;
  background: var(--orange);
  color: #111827;
  padding: 14px 18px;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}

.contact-form button:hover {
  background: #fbbf24;
  transform: translateY(-1px);
}

.info-panel {
  display: grid;
  gap: 16px;
}

.info-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.info-card p,
.info-card li {
  color: var(--muted);
  line-height: 1.7;
  font-size: 15px;
}

.info-card p {
  margin: 0;
}

.info-card ul {
  margin: 0;
  padding-left: 18px;
}

.info-card.dark {
  background: var(--dark);
  color: var(--white);
  border-color: rgba(255,255,255,0.08);
}

.info-card.dark p,
.info-card.dark a {
  color: #fde68a;
  font-weight: 800;
}

.info-card.notice {
  background: var(--soft);
  border-color: #fed7aa;
}

@media (max-width: 900px) {
  .topic-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 16px 12px 34px;
  }

  .hero {
    border-radius: 18px;
    padding: 30px 20px;
  }

  .hero p,
  .section-note {
    font-size: 15px;
  }

  .topic-grid {
    gap: 12px;
  }

  .topic-card {
    min-height: auto;
    padding: 16px;
    border-radius: 16px;
  }

  .contact-panel,
  .info-card {
    border-radius: 18px;
    padding: 18px;
  }
}