* {
  box-sizing: border-box;
}

:root {
  --bg: #F2F7FA;
  --card: #FFFFFF;
  --ink: #10264A;
  --muted: #5C7590;
  --accent: #1F5C82;
  --accent-deep: #123A56;
  --teal: #6FC3CE;
  --ring: #DCE7EE;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A1727;
    --card: #12253C;
    --ink: #EAF2F8;
    --muted: #9FB6CB;
    --accent: #6FC3CE;
    --accent-deep: #9FDDE3;
    --ring: #1E3652;
    color-scheme: dark;
  }
}

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

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(31, 92, 130, 0.08), transparent 26%),
    radial-gradient(circle at 88% 18%, rgba(111, 195, 206, 0.16), transparent 22%),
    var(--bg);
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

section {
  margin-top: 44px;
}

h2 {
  margin: 0 0 18px;
  font-size: 1.5rem;
  font-weight: 800;
}

p, li {
  color: var(--ink);
  opacity: 0.9;
  line-height: 1.65;
}

/* ---- hero ---- */

.hero {
  border: 1px solid var(--ring);
  background: var(--card);
  border-radius: 32px;
  padding: 36px;
  box-shadow: 0 24px 60px rgba(16, 38, 74, 0.08);
}

.hero-brand {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  flex-wrap: wrap;
}

.hero-logo {
  width: 150px;
  min-width: 130px;
  flex-shrink: 0;
  border-radius: 32px;
  filter: drop-shadow(0 18px 30px rgba(16, 38, 74, 0.18));
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 800;
  font-size: 0.8rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  line-height: 1.08;
  font-weight: 800;
}

.subtitle {
  margin: 14px 0 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 1.05rem;
  opacity: 1;
}

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

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 14px 30px rgba(31, 92, 130, 0.28);
}

.cta:hover {
  background: var(--accent-deep);
}

.cta.secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  box-shadow: none;
}

.cta.secondary:hover {
  background: var(--accent);
  color: #fff;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--ring);
  background: var(--bg);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
}

/* ---- features ---- */

.features-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--ring);
  border-radius: 20px;
  padding: 20px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--accent);
}

.feature-card p {
  margin: 0;
  font-size: 0.94rem;
}

/* ---- screenshots ---- */

.screens-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.screen-card {
  background: var(--card);
  border: 1px solid var(--ring);
  border-radius: 26px;
  padding: 14px;
}

.screen-card img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  display: block;
  margin-bottom: 10px;
}

.screen-card p {
  margin: 0;
  font-size: 0.88rem;
  text-align: center;
  color: var(--muted);
  opacity: 1;
}

/* ---- lists / releases ---- */

ul {
  padding-left: 1.3rem;
  margin: 0;
}

ul.link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.release-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: var(--card);
  border: 1px solid var(--ring);
  border-radius: 14px;
}

.release-list a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
}

.release-list a:hover {
  color: var(--accent);
}

.release-list .meta {
  color: var(--muted);
  font-size: 0.85rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: var(--ring);
  padding: 0.2rem 0.4rem;
  border-radius: 0.4rem;
  font-size: 0.9em;
}

pre {
  margin: 14px 0 0;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--ring);
  overflow-x: auto;
}

.callout {
  border: 1px solid var(--ring);
  background: var(--card);
  padding: 28px;
  border-radius: 24px;
}

.contact-block {
  border: 1px solid var(--ring);
  background: var(--card);
  padding: 28px;
  border-radius: 24px;
}

.contact-block p {
  margin: 0 0 14px;
}

.contact-link a {
  display: inline-flex;
  align-items: center;
  padding: 14px 20px;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.contact-link a:hover {
  background: var(--accent-deep);
}

@media (max-width: 720px) {
  main {
    padding: 24px 16px 56px;
  }

  .hero {
    padding: 24px;
  }

  .hero-brand {
    justify-content: center;
    text-align: center;
  }

  .hero-logo {
    width: 120px;
    min-width: auto;
    margin: 0 auto;
  }

  .hero-badges {
    justify-content: center;
  }

  .subtitle {
    max-width: none;
  }
}