:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-muted: #eceff3;
  --ink: #15171a;
  --muted: #5b6470;
  --line: #d9dee6;
  --accent: #0f6bff;
  --accent-dark: #0849b8;
  --green: #177245;
  --shadow: 0 18px 50px rgba(25, 33, 44, 0.10);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(246, 247, 249, 0.88);
  border-bottom: 1px solid rgba(217, 222, 230, 0.72);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink) !important;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 52px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 88px 24px 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(44px, 7vw, 74px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 38px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: 0;
}

.hero-text {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

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

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 36px 0 0;
}

.trust-row div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.trust-row dt {
  font-weight: 800;
}

.trust-row dd {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-visual {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section {
  padding: 78px 24px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.section.muted {
  background: var(--surface-muted);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 52px;
}

.copy-block p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 18px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.step,
.feature-grid article,
.privacy-list article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.step {
  min-height: 214px;
  padding: 20px;
}

.step-number {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
}

.step p,
.feature-grid p,
.privacy-list p,
.note,
.check-list {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

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

.feature-grid article,
.privacy-list article {
  padding: 22px;
}

.note {
  max-width: 820px;
  margin: 24px 0 0;
  font-size: 15px;
}

.privacy-list {
  display: grid;
  gap: 14px;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 18px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 32px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
}

.cta-section {
  padding: 86px 24px;
  background: var(--ink);
  color: #fff;
}

.cta-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner .eyebrow {
  color: #8eb6ff;
}

.cta-inner p {
  color: #c6ccd5;
  font-size: 18px;
}

.cta-inner .button {
  margin-top: 16px;
  background: #fff;
  color: var(--ink);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 24px;
  color: var(--muted);
}

.site-footer p {
  margin: 4px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-links a:hover {
  color: var(--ink);
}

@media (max-width: 940px) {
  .hero,
  .two-column {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .hero-visual {
    max-width: 640px;
  }

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

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .hero-text {
    font-size: 18px;
  }

  .trust-row,
  .steps,
  .feature-grid,
  .feature-grid.compact {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 20px;
  }

  .site-footer {
    flex-direction: column;
  }
}