:root {
  --blue: #0078d4;
  --blue-deep: #005a9e;
  --blue-hover: #106ebe;
  --blue-soft: #e8f3fc;
  --blue-mist: #f3f9fd;
  --text: #1b1b1b;
  --muted: #5d5d5d;
  --line: rgba(0, 0, 0, 0.06);
  --bg: #ffffff;
  --shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.04);
  --radius: 16px;
  --radius-lg: 24px;
  --header-h: 72px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  color: var(--blue-deep);
}

.container {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand:hover {
  color: var(--text);
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(180deg, #4aa3e8, var(--blue));
  box-shadow: 0 6px 16px rgba(0, 120, 212, 0.25);
  display: grid;
  place-items: center;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: 0.18s ease;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 20px rgba(0, 120, 212, 0.18);
}

.btn-primary:hover {
  background: var(--blue-hover);
  color: #fff;
}

.btn-ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost:hover {
  background: var(--blue-mist);
  color: var(--text);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero {
  padding: 88px 0 56px;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(0, 120, 212, 0.12), transparent 60%),
    linear-gradient(180deg, var(--blue-mist), #fff 72%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.kicker {
  color: var(--blue);
  font-weight: 600;
  margin: 0 0 14px;
  font-size: 0.95rem;
}

h1,
h2,
h3 {
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px;
}

.hero-card h3 {
  font-size: 1.05rem;
  margin-bottom: 18px;
}

.preview-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.preview-row:last-child {
  border-bottom: 0;
}

.badge {
  color: var(--blue-deep);
  background: var(--blue-soft);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.8rem;
  font-weight: 600;
}

section {
  padding: 80px 0;
}

.section-intro {
  max-width: 640px;
  margin-bottom: 36px;
}

.muted {
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.card h3 {
  font-size: 1.15rem;
}

.icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  font-weight: 700;
}

.privacy-band {
  background: var(--blue-mist);
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.checklist li {
  padding: 12px 0 12px 28px;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step-num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 10px;
}

.coming-soon {
  text-align: center;
  background: linear-gradient(180deg, #fff, var(--blue-mist));
}

.coming-box {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 40px 32px;
}

.legal {
  padding: 48px 0 88px;
}

.legal h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.legal .meta {
  color: var(--muted);
  margin-bottom: 36px;
}

.legal h2 {
  margin-top: 36px;
  font-size: 1.35rem;
}

.legal p,
.legal li {
  color: #3b3b3b;
}

.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq p {
  color: var(--muted);
  margin: 12px 0 4px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  background: #fff;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a,
.site-footer p {
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .privacy-grid,
  .cards,
  .steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    inset: var(--header-h) 16px auto;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .nav.open {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .hero,
  section,
  .legal {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .hero-grid,
  .privacy-grid,
  .cards,
  .steps {
    grid-template-columns: 1fr;
  }
}