:root {
  --blue: #1556f5;
  --blue-dark: #2430d4;
  --cyan: #00d4ff;
  --ink: #111827;
  --graphite: #374151;
  --muted: #6b7280;
  --cloud: #f3f4f6;
  --warm: #fffdf8;
  --amber: #f59e0b;
  --line: #d1d5db;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(16px);
}

.site-header.compact {
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  color: var(--graphite);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  text-decoration: none;
}

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

.hero {
  min-height: 82svh;
  display: flex;
  align-items: center;
  padding: clamp(60px, 9vw, 110px) clamp(22px, 8vw, 112px);
  background:
    linear-gradient(90deg, rgba(255, 253, 248, 0.96) 0%, rgba(255, 253, 248, 0.84) 42%, rgba(255, 253, 248, 0.2) 72%),
    url("assets/hero-master-vpn.png") center right / cover no-repeat;
}

.hero-copy {
  max-width: 700px;
}

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

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(54px, 9vw, 118px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-text {
  max-width: 620px;
  color: var(--graphite);
  font-size: clamp(18px, 2.4vw, 24px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 2px solid var(--blue);
  border-radius: 8px;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.button.secondary {
  color: var(--blue);
  background: rgba(255, 253, 248, 0.72);
}

.intro-band,
.screens-section,
.download-band {
  padding: clamp(64px, 9vw, 112px) clamp(20px, 5vw, 72px);
}

.intro-band {
  background: var(--ink);
  color: var(--warm);
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.intro-band .section-heading p,
.intro-band .feature-card p {
  color: rgba(255, 253, 248, 0.74);
}

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

.feature-card {
  min-height: 220px;
  padding: 26px;
  border: 1px solid rgba(255, 253, 248, 0.16);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.06);
}

.feature-dot {
  display: block;
  width: 28px;
  height: 28px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: var(--cyan);
}

.feature-dot.amber {
  background: var(--amber);
}

.feature-dot.blue {
  background: var(--blue);
}

.screens-section {
  background: #f8fafc;
}

.screens-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.screens-grid img {
  width: 100%;
  display: block;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(17, 24, 39, 0.14);
}

.download-band {
  background: var(--warm);
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-top: 42px;
  padding-bottom: 42px;
}

.download-layout p {
  max-width: 680px;
  color: var(--graphite);
  font-size: 18px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 72px);
  color: var(--graphite);
  background: var(--cloud);
}

.site-footer p {
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 18px;
  font-weight: 750;
}

.legal-page {
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.legal-content {
  max-width: 860px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: clamp(42px, 7vw, 76px);
}

.legal-content h2 {
  margin-top: 38px;
  font-size: 28px;
}

.legal-content p {
  color: var(--graphite);
  font-size: 18px;
}

@media (max-width: 840px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .hero {
    min-height: 78svh;
    align-items: flex-end;
    background:
      linear-gradient(0deg, rgba(255, 253, 248, 0.98) 0%, rgba(255, 253, 248, 0.8) 56%, rgba(255, 253, 248, 0.16) 100%),
      url("assets/hero-master-vpn.png") center top / cover no-repeat;
  }

  .feature-grid,
  .screens-grid,
  .download-layout {
    grid-template-columns: 1fr;
  }

  .screens-grid img:nth-child(n+3) {
    display: none;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 52px;
  }

  .hero {
    padding-top: 180px;
  }

  .button {
    width: 100%;
  }
}