:root {
  --navy: #07384a;
  --navy-deep: #042531;
  --teal: #08a8ad;
  --teal-dark: #078a91;
  --mint: #dff6f2;
  --lime: #b7d82c;
  --ink: #102e3b;
  --muted: #5d747d;
  --line: #d5e4e6;
  --paper: #ffffff;
  --soft: #f4faf9;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  width: min(1180px, calc(100% - 40px));
  height: 84px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: .12em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px 5px 13px 5px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(145deg, var(--teal), var(--navy));
  font-size: 13px;
  letter-spacing: -.03em;
  box-shadow: 0 10px 24px rgba(8, 168, 173, .2);
}

nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; }
nav > a:not(.header-action):hover { color: var(--teal-dark); }

.header-action,
.primary-action,
.secondary-action {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 0 22px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.header-action,
.primary-action {
  color: #fff;
  background: var(--teal-dark);
  box-shadow: 0 12px 26px rgba(7, 138, 145, .18);
}

.secondary-action { color: var(--navy); border: 1px solid var(--line); background: #fff; }
.header-action:hover, .primary-action:hover, .secondary-action:hover { transform: translateY(-2px); }

.hero {
  width: min(1180px, calc(100% - 40px));
  min-height: 650px;
  margin: 0 auto;
  padding: 66px 0 92px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .15em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 680px;
  margin-bottom: 24px;
  color: var(--navy);
  font-size: clamp(44px, 5.7vw, 76px);
  line-height: .99;
  letter-spacing: -.055em;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 19px;
}

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

.hero-points {
  margin: 31px 0 0;
  padding: 0;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.hero-points li::before { content: ""; width: 7px; height: 7px; margin-right: 8px; display: inline-block; border-radius: 50%; background: var(--lime); }

.hero-visual {
  position: relative;
  padding: 25px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 30px 8px 30px 8px;
  color: #fff;
  background:
    radial-gradient(circle at 95% 8%, rgba(183, 216, 44, .32), transparent 25%),
    linear-gradient(145deg, #0a5164, var(--navy-deep));
  box-shadow: 0 32px 70px rgba(4, 37, 49, .23);
}

.visual-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.visual-logo { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px 5px 14px 5px; background: var(--teal); font-weight: 900; }
.visual-status { padding: 8px 11px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; font-size: 11px; font-weight: 800; }
.visual-status::before { content: ""; width: 7px; height: 7px; margin-right: 7px; display: inline-block; border-radius: 50%; background: var(--lime); }

.visual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.visual-grid article { min-height: 147px; padding: 19px; display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,.12); border-radius: 18px 6px 18px 6px; background: rgba(255,255,255,.075); backdrop-filter: blur(8px); }
.visual-grid small { color: #a9dce0; font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.visual-grid strong { margin: auto 0 7px; font-size: 16px; }
.visual-grid span { color: #b9cdd2; font-size: 12px; }

.platform { padding: 100px max(20px, calc((100% - 1180px) / 2)); background: var(--soft); }
.section-heading { max-width: 720px; margin-bottom: 48px; }
h2 { margin-bottom: 17px; color: var(--navy); font-size: clamp(34px, 4vw, 52px); line-height: 1.06; letter-spacing: -.04em; }
.section-heading > p:last-child, .security > div > p:last-child { color: var(--muted); font-size: 17px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.feature-grid article { min-height: 235px; padding: 27px; border: 1px solid var(--line); border-radius: 20px 6px 20px 6px; background: #fff; }
.feature-grid span { color: var(--teal-dark); font-size: 12px; font-weight: 900; }
.feature-grid h3 { margin: 36px 0 11px; color: var(--navy); font-size: 19px; }
.feature-grid p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.security {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 112px 0;
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: 90px;
  align-items: center;
}

.security-card { padding: 34px; border: 1px solid #b9e5dd; border-radius: 24px 7px 24px 7px; background: var(--mint); box-shadow: 0 22px 55px rgba(7, 138, 145, .1); }
.security-card > span { color: var(--teal-dark); font-size: 11px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.security-card > strong { margin: 8px 0 24px; display: block; color: var(--navy); font-size: 24px; }
.security-card ul { margin: 0; padding: 0; display: grid; gap: 12px; list-style: none; }
.security-card li { padding: 13px 15px; border-radius: 12px; background: rgba(255,255,255,.65); font-size: 14px; font-weight: 750; }
.security-card li::before { content: "✓"; margin-right: 10px; color: var(--teal-dark); font-weight: 900; }

.final-cta { margin: 0 20px 30px; padding: 78px 30px; text-align: center; border-radius: 30px 8px 30px 8px; color: #fff; background: var(--navy); }
.final-cta .eyebrow { color: #7cd6d8; }
.final-cta h2 { max-width: 780px; margin: 0 auto 28px; color: #fff; }

footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  color: var(--muted);
  font-size: 12px;
}

footer p { margin: 0; }

@media (max-width: 900px) {
  nav > a:not(.header-action) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 40px; gap: 48px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .security { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 620px) {
  .site-header { width: min(100% - 28px, 1180px); }
  .site-header .header-action { min-height: 40px; padding: 0 14px; }
  .hero { width: min(100% - 28px, 1180px); padding: 35px 0 68px; }
  h1 { font-size: 45px; }
  .hero-actions a { width: 100%; }
  .hero-points { display: grid; gap: 10px; }
  .hero-visual { padding: 17px; }
  .visual-grid { grid-template-columns: 1fr; }
  .visual-grid article { min-height: 120px; }
  .platform { padding-top: 76px; padding-bottom: 76px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 205px; }
  .security { width: min(100% - 28px, 1180px); padding: 82px 0; }
  .final-cta { margin: 0 14px 20px; padding: 60px 20px; }
  footer { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}