:root {
  --ink: #102d33;
  --muted: #60717a;
  --teal: #0f766e;
  --teal-dark: #0b5e58;
  --teal-soft: #e7f5f2;
  --mint: #d7f0eb;
  --line: #dfe9e7;
  --surface: #ffffff;
  --surface-alt: #f7faf9;
  --danger-soft: #fdeae6;
  --danger: #a84f42;
  --radius: 16px;
  --shadow: 0 16px 44px rgba(16, 45, 51, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(223,233,231,.9);
  backdrop-filter: blur(10px);
}
.nav {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 760;
  letter-spacing: -.025em;
}
.brand-mark { width: 30px; height: 30px; flex: 0 0 auto; }
.desktop-nav { display: flex; gap: 28px; margin-left: auto; }
.desktop-nav a { color: #42585f; font-size: 14px; font-weight: 560; }
.desktop-nav a:hover { color: var(--teal); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-small { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn-primary {
  color: #fff;
  background: var(--teal-dark);
  box-shadow: 0 8px 20px rgba(15,118,110,.14);
}
.btn-primary:hover { background: #084f4a; }
.btn-secondary {
  color: var(--teal-dark);
  background: #fff;
  border-color: #9bc8c2;
}

.hero {
  padding: 78px 0 58px;
  background:
    radial-gradient(circle at 82% 18%, rgba(215,240,235,.9), transparent 24%),
    linear-gradient(180deg, #fbfdfd 0%, #fff 72%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 58px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
}
h1, h2, h3 { margin-top: 0; letter-spacing: -.035em; }
h1 {
  max-width: 700px;
  margin-bottom: 22px;
  font-size: clamp(44px, 5vw, 68px);
  line-height: 1.02;
}
h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.08;
}
h3 { margin-bottom: 10px; font-size: 19px; line-height: 1.2; }
.hero-lead {
  max-width: 700px;
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 19px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.status-line { margin: 22px 0 0; color: #708189; font-size: 13px; }

.product-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}
.visual-header {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid #e9efee;
  background: #fbfcfc;
}
.window-dot { width: 8px; height: 8px; border-radius: 99px; background: #cbd8d6; }
.window-dot:first-child { background: #ed9586; }
.window-dot:nth-child(2) { background: #eccf79; }
.window-dot:nth-child(3) { background: #89cbbf; }
.visual-title { margin-left: 8px; color: #718188; font-size: 12px; font-weight: 650; }
.comparison {
  display: grid;
  grid-template-columns: 1fr 34px 1fr;
  gap: 10px;
  align-items: center;
  padding: 28px;
}
.document-card {
  min-height: 284px;
  padding: 22px;
  border: 1px solid #e6edeb;
  border-radius: 12px;
  background: #fff;
}
.doc-label {
  margin-bottom: 22px;
  color: #66777e;
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.line { height: 9px; margin: 12px 0; border-radius: 10px; background: #e8eeef; }
.line-title { width: 76%; height: 12px; background: #dbe4e5; }
.line-short { width: 64%; }
.pii, .token {
  display: inline-block;
  margin: 4px 0;
  padding: 6px 9px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 750;
}
.pii { color: var(--danger); background: var(--danger-soft); }
.token { color: var(--teal-dark); background: var(--teal-soft); }
.arrow { color: var(--teal); font-size: 28px; font-weight: 500; text-align: center; }
.visual-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px 18px;
  color: #63757b;
  border-top: 1px solid #eef2f1;
  font-size: 12px;
}
.local-dot { width: 8px; height: 8px; border-radius: 50%; background: #35aa97; }

.trust-strip { padding: 0 0 24px; }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-item {
  display: flex;
  gap: 16px;
  padding: 28px 24px;
}
.trust-item + .trust-item { border-left: 1px solid var(--line); }
.trust-icon {
  display: grid;
  place-items: center;
  flex: 0 0 38px;
  height: 38px;
  color: var(--teal);
  border: 1px solid #b9dbd5;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}
.trust-item strong { display: block; margin-bottom: 4px; font-size: 15px; }
.trust-item span:last-child { display: block; color: var(--muted); font-size: 13px; }

.section { padding: 92px 0; }
.section-muted { background: var(--surface-alt); border-top: 1px solid #edf2f1; border-bottom: 1px solid #edf2f1; }
.section-heading { max-width: 720px; margin-bottom: 36px; }
.section-heading > p:last-child,
.section-copy { color: var(--muted); font-size: 17px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step-card {
  position: relative;
  min-height: 220px;
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.step-number {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 24px;
  color: #fff;
  background: var(--teal);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}
.step-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.usecase-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 72px;
  align-items: center;
}
.usecase-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.usecase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 20px 22px;
  border-bottom: 1px solid #e8efed;
  font-size: 14px;
}
.usecase-row span { color: #687980; }
.usecase-row strong { font-weight: 720; }
.usecase-note {
  padding: 20px 22px;
  color: #5d6f75;
  background: #f2f8f6;
  font-size: 13px;
}

.privacy-panel {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 56px;
  padding: 42px;
  border: 1px solid #d9e9e6;
  border-radius: 16px;
  background: #f4faf8;
}
.privacy-panel p:last-child { margin-bottom: 0; color: var(--muted); font-size: 16px; }
.privacy-points { display: grid; align-content: center; gap: 14px; }
.privacy-points div { display: flex; gap: 10px; font-size: 14px; font-weight: 650; }
.privacy-points span { color: var(--teal); }

.cta-section { padding-top: 20px; }
.cta-card {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 16px;
}
.cta-card h2 { max-width: 700px; margin-bottom: 10px; font-size: 34px; }
.cta-card p:last-child { margin: 0; color: var(--muted); }
.cta-actions { display: flex; flex-direction: column; gap: 10px; flex: 0 0 220px; }

.footer { padding: 34px 0 40px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.footer-brand { font-size: 18px; }
.footer-brand .brand-mark { width: 23px; height: 23px; }
.footer-links { display: flex; gap: 22px; color: #718188; font-size: 13px; }
.footer-links a { color: var(--teal-dark); }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .hero { padding-top: 56px; }
  .hero-grid, .usecase-grid, .privacy-panel { grid-template-columns: 1fr; }
  .hero-grid { gap: 42px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item + .trust-item { border-left: 0; border-top: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr 1fr; }
  .cta-card { align-items: flex-start; flex-direction: column; }
  .cta-actions { width: 100%; flex: auto; flex-direction: row; }
  .cta-actions .btn { flex: 1; }
}

@media (max-width: 600px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav { height: 64px; }
  .nav > .btn { display: none; }
  .hero { padding: 44px 0 40px; }
  h1 { font-size: 42px; }
  .hero-lead { font-size: 17px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .comparison { grid-template-columns: 1fr; padding: 18px; }
  .arrow { transform: rotate(90deg); }
  .document-card { min-height: 240px; }
  .steps { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .usecase-grid { gap: 34px; }
  .usecase-row { grid-template-columns: 1fr; gap: 4px; }
  .privacy-panel { padding: 28px 22px; gap: 30px; }
  .cta-card { padding: 30px 22px; }
  .cta-actions { flex-direction: column; }
  .footer-inner, .footer-links { align-items: flex-start; flex-direction: column; }
}


.lang-picker {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
}
.lang-picker a {
  min-width: 30px;
  padding: 5px 7px;
  border-radius: 6px;
  color: #687980;
  font-size: 11px;
  font-weight: 750;
  text-align: center;
}
.lang-picker a:hover { color: var(--teal-dark); background: var(--teal-soft); }
.lang-picker a.active { color: #fff; background: var(--teal-dark); }

@media (max-width: 600px) {
  .lang-picker { margin-left: auto; }
  .lang-picker a { min-width: 28px; padding: 5px 5px; }
}