:root {
  --bg: #f8f9fb;
  --bg-2: #ffffff;
  --text: #101214;
  --muted: #5b6573;
  --line: #e7eaf0;
  --accent: #2b59ff;
  --accent-2: #9aa6ff;
  --shadow: 0 10px 30px rgba(16, 18, 20, 0.08);
  --radius: 16px;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "SF Pro Text", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #eef2ff 0%, transparent 60%),
    radial-gradient(1200px 600px at 90% 0%, #f2f7ff 0%, transparent 55%),
    linear-gradient(180deg, #f8f9fb 0%, #ffffff 100%);
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.container { width: min(100%, var(--max)); margin: 0 auto; padding: 0 24px; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(248, 249, 251, 0.8);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: 0.2px;
}
.brand-dot {
  width: 12px; height: 12px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(43, 89, 255, 0.1);
}
.nav { display: flex; gap: 18px; font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--text); }

.hero {
  padding: 96px 0 56px;
}
.hero-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px;
  align-items: center;
}
.hero h1 { font-size: clamp(36px, 4vw, 56px); margin: 0 0 12px; }
.hero p { color: var(--muted); font-size: 18px; line-height: 1.6; margin: 0 0 24px; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 999px; font-weight: 600; font-size: 14px;
  border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn-primary {
  background: var(--accent); color: #fff; box-shadow: var(--shadow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(43, 89, 255, 0.25); }
.btn-secondary {
  border-color: var(--line); background: #fff; color: var(--text);
}
.btn-secondary:hover { border-color: var(--accent-2); transform: translateY(-2px); }

.card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.section { padding: 48px 0; }
.section h2 { margin: 0 0 8px; font-size: 26px; }
.section p { color: var(--muted); margin: 0 0 16px; line-height: 1.6; }

.grid-4 {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.grid-2 {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}

.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px; font-size: 13px; color: var(--muted);
  background: #fff; border: 1px solid var(--line);
}

.contact-form {
  display: grid; gap: 12px;
}
input, textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--line); font-size: 14px; font-family: inherit;
}
textarea { min-height: 120px; }
input:focus, textarea:focus { outline: 2px solid rgba(43, 89, 255, 0.2); border-color: var(--accent-2); }

.footer {
  padding: 28px 0 48px; color: var(--muted); font-size: 14px;
  border-top: 1px solid var(--line); margin-top: 24px;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }

.page-hero {
  padding: 56px 0 24px;
}
.page-hero h1 { margin: 0 0 8px; font-size: clamp(28px, 3vw, 40px); }

.legal h2 { margin-top: 24px; }
.legal ul { padding-left: 18px; color: var(--muted); line-height: 1.6; }

.notice {
  background: #f3f6ff; border: 1px solid #e0e7ff; color: #2b3a78;
  padding: 12px 16px; border-radius: 12px; font-size: 13px;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .hero { padding-top: 72px; }
}