:root {
  --blue: #0080ff;
  --red: #ee2560;
  --surface: #f4f4f4;
  --ink: #08182b;
  --muted: rgba(8, 24, 43, 0.68);
  --line: rgba(8, 24, 43, 0.12);
  --panel: #ffffff;
  color: var(--ink);
  background: var(--surface);
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  overflow-x: hidden;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid rgba(8, 24, 43, 0.08);
  background: rgba(244, 244, 244, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 18px;
  font-weight: 750;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  border-radius: 999px;
  padding: 9px 13px;
}

.site-nav a:hover {
  background: rgba(8, 24, 43, 0.06);
  color: var(--ink);
}

.site-nav .nav-download {
  background: var(--blue);
  color: white;
}

.site-nav .nav-download:hover {
  background: #006fe0;
  color: white;
}

.hero {
  position: relative;
  min-height: 820px;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(380px, 0.9fr) minmax(520px, 1.1fr);
  gap: clamp(34px, 5vw, 72px);
  align-items: center;
  padding: 126px clamp(24px, 5vw, 88px) 84px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(0, 128, 255, 0.08), rgba(244, 244, 244, 0) 42%),
    linear-gradient(0deg, rgba(238, 37, 96, 0.04), rgba(244, 244, 244, 0) 48%),
    var(--surface);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(680px, 100%);
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(58px, 7vw, 96px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  letter-spacing: 0;
}

.hero-copy {
  width: min(580px, 100%);
  color: rgba(8, 24, 43, 0.78);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 680;
  overflow-wrap: break-word;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 16px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 8px;
  padding: 0 22px;
  font-weight: 780;
}

.primary-action {
  background: var(--blue);
  color: white;
  box-shadow: 0 12px 28px rgba(0, 128, 255, 0.22);
}

.secondary-action {
  border: 1px solid rgba(8, 24, 43, 0.16);
  background: rgba(255, 255, 255, 0.84);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.hero-meta span {
  border: 1px solid rgba(8, 24, 43, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  padding: 8px 11px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 680;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
  min-width: 0;
}

.shot {
  position: relative;
  width: min(100%, 760px);
  margin: 0;
  border: 1px solid rgba(8, 24, 43, 0.14);
  border-radius: 8px;
  background: white;
  box-shadow: 0 28px 80px rgba(8, 24, 43, 0.16);
  overflow: hidden;
}

.shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.shot figcaption {
  display: flex;
  align-items: center;
  min-height: 48px;
  border-top: 1px solid rgba(8, 24, 43, 0.08);
  background: rgba(255, 255, 255, 0.96);
  padding: 0 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 720;
}

.shot-selection {
  width: min(100%, 760px);
}

.section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 76px 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 48px;
  align-items: center;
}

.intro p,
.privacy-panel p {
  color: var(--muted);
  font-size: 18px;
}

.quick-facts {
  display: grid;
  gap: 12px;
}

.quick-facts span,
.feature-card,
.privacy-panel,
.limit-list,
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.quick-facts span {
  padding: 16px 18px;
  color: var(--ink);
  font-weight: 760;
}

.section-heading {
  margin-bottom: 28px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 24px;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: 42px;
  align-items: start;
}

.privacy-panel {
  padding: 28px;
}

.privacy-panel a {
  color: var(--blue);
  font-weight: 780;
}

.limits {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.limit-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.limit-list li {
  min-height: 110px;
  padding: 24px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-weight: 650;
}

.limit-list li:last-child {
  border-right: 0;
}

.faq {
  padding-bottom: 96px;
}

.faq details {
  padding: 0 22px;
}

.faq details + details {
  margin-top: 10px;
}

.faq summary {
  cursor: pointer;
  padding: 20px 0;
  font-weight: 780;
}

.faq p {
  margin-bottom: 20px;
  color: var(--muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  padding: 28px 20px 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

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

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

  .site-nav a:not(.nav-download) {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 96px;
  }

  .intro,
  .split-section,
  .feature-grid,
  .limit-list {
    grid-template-columns: 1fr;
  }

  .limit-list li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .limit-list li:last-child {
    border-bottom: 0;
  }

  .hero-visual {
    min-height: auto;
    display: grid;
    gap: 14px;
  }

  .shot {
    position: static;
    width: 100%;
  }
}

@media (max-width: 520px) {
  .brand span {
    font-size: 16px;
  }

  .hero {
    padding: 94px 20px 54px;
  }

  .hero-copy {
    font-size: 21px;
    line-height: 1.42;
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .section {
    width: min(100% - 28px, 1160px);
    padding: 56px 0;
  }
}
