@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

* {
  box-sizing: border-box;
}

:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #dbeafe;
  --header-start: #0f172a;
  --header-end: #1e293b;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius-lg: 22px;
  --radius-md: 14px;
  --max: 1080px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
}

.container {
  width: min(92%, var(--max));
  margin: 0 auto;
}

.site-header {
  background: linear-gradient(135deg, var(--header-start), var(--header-end));
  color: white;
  padding: 72px 0 34px;
  position: relative;
  overflow: hidden;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: auto -80px -80px auto;
  width: 260px;
  height: 260px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  filter: blur(6px);
}

.site-header h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.tagline {
  margin: 14px 0 0;
  color: #dbe4f0;
  font-size: 1.08rem;
  max-width: 760px;
}

nav {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  opacity: 0.95;
}

nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

.hero {
  padding: 58px 0 28px;
}

.hero-badge {
  display: inline-block;
  margin-bottom: 16px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.hero h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.04em;
  max-width: 780px;
}

.hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
  margin-bottom: 22px;
}

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

.button {
  display: inline-block;
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 13px 18px;
  border-radius: 12px;
  font-weight: 700;
  transition: transform 0.18s ease, background 0.18s ease;
}

.button:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.button.secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
}

.button.secondary:hover {
  background: var(--surface-2);
}

.section-title {
  font-size: 1.6rem;
  margin: 8px 0 16px;
  letter-spacing: -0.03em;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  padding: 30px;
  margin: 22px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin-top: 0;
  letter-spacing: -0.03em;
}

.card p,
.card li {
  color: var(--muted);
}

.feature-card {
  background: var(--surface);
  padding: 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.kicker {
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.highlight {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 14px 0 0;
  list-style: none;
}

.inline-list li {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

ul {
  padding-left: 20px;
}

a {
  color: var(--accent-dark);
}

.site-footer {
  padding: 42px 0 54px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}

.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  padding: 14px 16px;
  border-radius: 12px;
  margin-top: 18px;
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-top: 56px;
  }

  .card,
  .feature-card,
  .highlight {
    padding: 22px;
  }

  .hero {
    padding-top: 46px;
  }
}