/* ArcheoLog public landing page
   Static, dependency-free and intentionally small. */

:root {
  --ink: #111820;
  --paper: #edf1f2;
  --panel: #f8faf9;
  --line: rgba(17, 24, 32, 0.18);
  --muted: #667078;
  --log-accent: #9db4aa;
  --sketch-accent: #bc765e;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(rgba(17, 24, 32, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 24, 32, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: 36px 36px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.page-shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 72px 0 32px;
}

.hero {
  max-width: 820px;
  padding: 0 0 54px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid var(--ink);
  font-size: 0.73rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

h1 {
  margin: 20px 0 12px;
  font-size: clamp(3.8rem, 10vw, 8.4rem);
  line-height: 0.88;
  letter-spacing: -0.065em;
  font-weight: 780;
}

.intro {
  max-width: 690px;
  margin: 25px 0 0;
  color: #303941;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.5;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.app-card {
  position: relative;
  display: flex;
  min-height: 420px;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--panel);
  box-shadow: 8px 8px 0 var(--ink);
}

.app-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 12px;
  background: var(--log-accent);
}

.sketch-card::before {
  background: var(--sketch-accent);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 32px 30px 0;
}

.app-number {
  font-size: 0.92rem;
  font-weight: 800;
}

.app-type {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-align: right;
}

.card-body {
  padding: 72px 30px 34px;
}

.card-body h2 {
  margin: 0 0 18px;
  font-size: clamp(2.35rem, 5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.card-body p {
  max-width: 480px;
  margin: 0;
  color: #404951;
  font-size: 1rem;
  line-height: 1.6;
}

.app-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: auto;
  padding: 22px 30px;
  border-top: 1px solid var(--ink);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 760;
  transition:
    background-color 150ms ease,
    color 150ms ease;
}

.app-link:hover,
.app-link:focus-visible {
  color: var(--panel);
  background: var(--ink);
}

.app-link:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: -6px;
}

.arrow {
  font-size: 1.35rem;
  line-height: 1;
}

.site-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 44px 2px 0;
  color: #4f5960;
  font-size: 0.82rem;
}

.footer-divider {
  width: 28px;
  height: 1px;
  background: var(--line);
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 28px), var(--max-width));
    padding-top: 40px;
  }

  .hero {
    padding-bottom: 36px;
  }

  h1 {
    margin-top: 18px;
    font-size: clamp(3.55rem, 21vw, 6rem);
  }

  .intro {
    margin-top: 20px;
    font-size: 1rem;
  }

  .app-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .app-card {
    min-height: 360px;
    box-shadow: 6px 6px 0 var(--ink);
  }

  .card-top {
    padding: 28px 24px 0;
  }

  .card-body {
    padding: 54px 24px 28px;
  }

  .card-body h2 {
    font-size: clamp(2.6rem, 14vw, 3.7rem);
  }

  .app-link {
    padding: 20px 24px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
    padding-top: 38px;
  }

  .footer-divider {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}