@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;700&display=swap");

:root {
  --ink: #0c0f1a;
  --text: #f5f7ff;
  --muted: #5f6783;
  --card: #0f1424;
  --shell: rgba(11, 15, 27, 0.75);
  --line: rgba(255, 255, 255, 0.08);
  --accent: #ff7a48;
  --accent-2: #7c9dff;
  --btn-1: #cfd6e1;
  --btn-2: #5be7b2;
  --bg: radial-gradient(120% 140% at 18% 20%, rgba(91, 231, 178, 0.18), transparent 40%),
    radial-gradient(140% 140% at 82% 18%, rgba(122, 214, 180, 0.16), transparent 45%),
    radial-gradient(120% 120% at 80% 80%, rgba(55, 181, 148, 0.16), transparent 40%),
    #070a14;
  --soft: rgba(255, 255, 255, 0.06);
  --nav-active-bg: rgba(255, 255, 255, 0.04);
  --pill-text: #dfe6ff;
  --tag-text: #d6dbff;
  --nav-bg: linear-gradient(180deg, rgba(7, 10, 20, 0.95) 0%, rgba(7, 10, 20, 0.75) 100%);
}

body.theme-light {
  --text: #0f1828;
  --muted: #4b5565;
  --card: #ffffff;
  --shell: #ffffff;
  --line: rgba(15, 24, 40, 0.12);
  --bg: radial-gradient(120% 140% at 18% 20%, rgba(122, 214, 180, 0.25), transparent 40%),
    radial-gradient(140% 140% at 82% 18%, rgba(104, 209, 167, 0.22), transparent 45%),
    radial-gradient(120% 120% at 80% 80%, rgba(64, 168, 136, 0.2), transparent 40%),
    #edf2f7;
  --soft: rgba(15, 24, 40, 0.06);
  --nav-active-bg: rgba(15, 24, 40, 0.08);
  --pill-text: #142033;
  --tag-text: #0f1828;
  --nav-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.82) 100%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.shell {
  background: var(--shell);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
}

.section.shell {
  padding: 24px;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--soft);
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

.menu-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
}

.nav-links a {
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 500;
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-color: var(--line);
  background: var(--nav-active-bg);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--btn-1), var(--btn-2));
  color: #0c0f1a;
  padding: 11px 16px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(91, 231, 178, 0.25);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 60px rgba(91, 231, 178, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
  box-shadow: none;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
}

.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero {
  padding: 60px 20px 10px;
  text-align: left;
}

.hero h1 {
  font-family: "Space Grotesk", "DM Sans", system-ui, sans-serif;
  font-size: clamp(36px, 5vw, 52px);
  letter-spacing: -0.5px;
  margin: 0 0 18px;
}

.hero p {
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 26px;
}

.hero .tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.tag {
  background: var(--soft);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--tag-text);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 28px 0 12px;
}

.card {
  padding: 20px;
  background: var(--card);
  border-radius: 16px;
  border: 1px solid var(--line);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

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

.section-title {
  margin: 40px 0 10px;
  font-size: 22px;
  font-weight: 700;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 12px;
  background: var(--soft);
  border: 1px solid var(--line);
  color: var(--pill-text);
  font-weight: 600;
}

.legal {
  padding: 36px 24px 24px;
}

.legal h1 {
  font-size: 32px;
  margin: 0 0 12px;
}

.legal .meta {
  color: var(--muted);
  margin-bottom: 24px;
}

.legal h2 {
  margin: 30px 0 10px;
  font-size: 20px;
}

.legal h3 {
  margin: 18px 0 8px;
  font-size: 17px;
}

.legal p {
  margin: 0 0 12px;
  color: var(--text);
}

.legal ul {
  color: var(--text);
  padding-left: 20px;
  margin: 0 0 14px;
  gap: 8px;
}

.legal li {
  margin-bottom: 8px;
}

footer {
  margin: 36px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

.theme-toggle {
  border: 1px solid var(--line);
  background: var(--soft);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

body.theme-light .theme-toggle:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  border-color: rgba(15, 24, 40, 0.2);
}

@media (max-width: 720px) {
  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 40px 14px 6px;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    background: var(--shell);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    flex-direction: column;
    gap: 10px;
    display: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a,
  .nav-links button.theme-toggle,
  .nav-links .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 10px 12px;
  }

  .nav-links .btn {
    margin-top: 4px;
  }

  .page {
    padding: 24px 16px 64px;
  }

  .section.shell {
    padding: 18px;
  }

  .card {
    padding: 16px;
  }

  .grid {
    gap: 12px;
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
  }
}