:root {
  color-scheme: dark;
  --bg: #060812;
  --panel: #0f1522;
  --panel-2: #151c2a;
  --text: #f8fafc;
  --muted: #a9b4c4;
  --line: rgba(255, 255, 255, 0.13);
  --cyan: #38d9f2;
  --pink: #ff6db3;
  --green: #81f0b4;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(6, 8, 18, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand,
nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  text-decoration: none;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 9px;
  color: #071018;
  background: var(--cyan);
}

nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

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

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 120px clamp(20px, 5vw, 72px) 82px;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(6, 8, 18, 0.96) 0%, rgba(6, 8, 18, 0.78) 38%, rgba(6, 8, 18, 0.24) 78%),
    linear-gradient(0deg, rgba(6, 8, 18, 1) 0%, rgba(6, 8, 18, 0) 28%);
}

.hero-content {
  position: relative;
  max-width: 780px;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(56px, 9vw, 118px);
  line-height: 0.92;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.02;
}

h3 {
  margin: 0;
  font-size: 22px;
}

.hero-copy {
  max-width: 690px;
  margin: 26px 0 0;
  color: #dbeafe;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 0 22px;
  font-weight: 900;
  text-decoration: none;
}

.primary-action {
  color: #061018;
  background: var(--cyan);
}

.primary-action:hover {
  background: #74e7f8;
}

.secondary-action {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.large {
  min-height: 60px;
  margin-top: 28px;
  font-size: 17px;
}

.trust-strip,
.section,
.split-section,
.download-section,
footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.trust-strip div {
  padding: 24px;
  background: #0a101c;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.section,
.split-section,
.download-section {
  padding: 98px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-grid article,
.download-card,
.privacy-list div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
}

.feature-grid article {
  min-height: 230px;
  padding: 26px;
}

.feature-grid article span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.feature-grid h3 {
  margin-top: 34px;
}

.feature-grid p,
.split-section p,
.download-section p {
  color: var(--muted);
  line-height: 1.7;
}

.split-section,
.download-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
}

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

.privacy-list div {
  padding: 24px;
}

.privacy-list strong,
.privacy-list span {
  display: block;
}

.privacy-list span {
  margin-top: 8px;
  color: var(--muted);
}

.download-section {
  margin-bottom: 70px;
  padding-inline: clamp(22px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 78% 0%, rgba(56, 217, 242, 0.16), transparent 38%),
    linear-gradient(135deg, #101826, #0a101a);
}

.fine-print {
  max-width: 650px;
  margin-top: 18px;
  font-size: 13px;
}

.download-card {
  padding: 30px;
}

.download-card ul {
  margin: 22px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 2;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .site-header {
    position: sticky;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 82vh;
    padding-top: 76px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(6, 8, 18, 0.94), rgba(6, 8, 18, 0.58)),
      linear-gradient(0deg, rgba(6, 8, 18, 1), rgba(6, 8, 18, 0) 35%);
  }

  .trust-strip,
  .feature-grid,
  .split-section,
  .download-section {
    grid-template-columns: 1fr;
  }

  .section,
  .split-section,
  .download-section {
    padding-block: 68px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }
}