:root {
  --ink: #111827;
  --muted: #596579;
  --line: #dbe3f2;
  --blue: #1563f7;
  --blue-soft: #eaf2ff;
  --purple: #6f35e8;
  --green: #1fa971;
  --panel: #ffffff;
  --soft: #f7f9fe;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--soft);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

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

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  left: 0;
  padding: 16px clamp(20px, 5vw, 72px);
  position: sticky;
  right: 0;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 19px;
  font-weight: 900;
  gap: 10px;
}

.brand img {
  border-radius: 8px;
  height: 36px;
  width: 36px;
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.hero {
  align-items: center;
  background:
    radial-gradient(circle at 78% 18%, rgba(21, 99, 247, 0.18), transparent 31%),
    linear-gradient(135deg, #ffffff 0%, #eef6ff 48%, #f8f5ff 100%);
  display: grid;
  gap: clamp(32px, 5vw, 68px);
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 1.02fr);
  min-height: 82vh;
  padding: clamp(46px, 7vw, 92px) clamp(20px, 5vw, 72px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 12px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.95;
  margin-bottom: 24px;
  max-width: 820px;
}

h2 {
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1;
  margin-bottom: 16px;
}

h3 {
  font-size: 21px;
  margin-bottom: 10px;
}

.lead {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
  margin-bottom: 32px;
  max-width: 680px;
}

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

.primary-action,
.secondary-action {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
}

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

.secondary-action {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(17, 24, 39, 0.16);
  display: block;
  height: auto;
  width: 100%;
}

.section {
  padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 800px;
}

.section-heading p,
.feature-card p,
.policy-box p,
.support-card p,
.plain-list li {
  color: var(--muted);
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 32px;
}

.feature-card,
.policy-box,
.support-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.feature-card strong {
  color: var(--green);
}

.privacy-band {
  background: #fff;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
}

.page-main {
  padding: clamp(42px, 7vw, 78px) clamp(20px, 5vw, 72px);
}

.page-main article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0 auto;
  max-width: 920px;
  padding: clamp(24px, 5vw, 52px);
}

.plain-list {
  padding-left: 20px;
}

.plain-list li {
  margin-bottom: 10px;
}

.support-strip {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(21, 99, 247, 0.12), rgba(111, 53, 232, 0.14)),
    #fff;
  display: flex;
  gap: 24px;
  justify-content: space-between;
}

.support-strip div {
  max-width: 780px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.badge {
  background: var(--blue-soft);
  border-radius: 999px;
  color: #073f9e;
  font-size: 14px;
  font-weight: 900;
  padding: 10px 14px;
}

@media (max-width: 860px) {
  .site-header,
  .support-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
    gap: 16px;
  }

  .hero,
  .privacy-band,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}