:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #141824;
  --muted: #5c6578;
  --line: #e6e8f0;
  --accent: #4f46e5;
  --accent-dark: #3730a3;
  --accent-soft: #eef0ff;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 12px 32px rgba(16, 24, 40, 0.06);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

body { min-height: 100vh; }

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

a { color: var(--accent); }

a:hover { color: var(--accent-dark); }

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

h1 { font-size: clamp(32px, 5vw, 46px); letter-spacing: -0.035em; line-height: 1.12; }

h2 { font-size: clamp(24px, 3vw, 30px); letter-spacing: -0.03em; line-height: 1.2; }

h3 { font-size: 18px; letter-spacing: -0.02em; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 5;
}

.skip:focus { top: 12px; }

.wrap {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  padding: 56px 0 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  margin-top: 14px;
  font-size: 18px;
  max-width: 42rem;
}

.value {
  margin-top: 10px;
  color: var(--muted);
  max-width: 40rem;
}

.cta {
  margin-top: 14px;
  font-weight: 600;
}

.section { padding: 28px 0; }

.section-head { margin-bottom: 16px; max-width: 40rem; }

.section-head p { color: var(--muted); margin-top: 6px; }

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.shot {
  background: #eef0f6;
  border-bottom: 1px solid var(--line);
  height: 168px;
  overflow: hidden;
}

.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.card-body { padding: 16px 16px 18px; }

.tagline { color: var(--muted); margin: 4px 0 12px; }

.psr { display: grid; gap: 8px; margin: 0 0 12px; }

.psr div {
  background: var(--bg);
  border-radius: 10px;
  padding: 8px 10px;
}

.psr strong {
  display: block;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.tags, .cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.tag, .cloud span {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
}

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
}

.btn:hover { background: var(--accent-dark); color: #fff; }

.btn.ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
}

.btn.ghost:hover { border-color: var(--accent); color: var(--accent-dark); background: #fff; }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.service, .step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 14px 16px;
  box-shadow: var(--shadow);
}

.service h3, .step h3 { margin-bottom: 4px; }

.service p, .step p { color: var(--muted); font-size: 14px; }

.step-no {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 8px;
}

.cloud span { background: #fff; border: 1px solid var(--line); }

.foot {
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(247, 248, 251, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
}

.brand { font-weight: 700; color: var(--text); text-decoration: none; letter-spacing: -0.03em; }

.topnav { display: flex; gap: 14px; font-size: 14px; font-weight: 600; }

.topnav a { text-decoration: none; }

.case { padding: 28px 0 8px; }

.note { color: var(--muted); margin: 6px 0 16px; }

.readme {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 8px 18px 22px;
  box-shadow: var(--shadow);
}

.readme h1 { font-size: 32px; margin-top: 18px; }

.readme h2 { margin-top: 28px; font-size: 24px; }

.readme h3 { margin-top: 20px; }

.readme p, .readme ul, .readme ol, .readme pre, .readme table { margin: 10px 0; }

.readme ul, .readme ol { padding-left: 1.2rem; }

.readme code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--bg);
  border-radius: 6px;
  padding: 1px 5px;
}

.readme pre {
  background: #141824;
  color: #e8eaf2;
  border-radius: 12px;
  padding: 12px 14px;
  overflow: auto;
}

.readme pre code { background: transparent; color: inherit; padding: 0; }

.readme table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  display: block;
  overflow-x: auto;
}

.readme th, .readme td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 8px 10px;
  vertical-align: top;
  white-space: nowrap;
}

.readme img {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 12px 0;
}

.repo-path {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--bg);
  border-radius: 6px;
  padding: 1px 5px;
}

.case-cta { margin: 18px 0; }

.missing {
  padding: 64px 0;
  text-align: center;
}

.missing h1 { font-size: 36px; margin-bottom: 8px; }

@media (min-width: 800px) {
  .card {
    display: grid;
    grid-template-columns: minmax(220px, 34%) minmax(0, 1fr);
  }
  .card:not(:has(.shot)) {
    grid-template-columns: 1fr;
  }
  .shot {
    height: 100%;
    min-height: 210px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }
}

@media (min-width: 720px) {
  .grid.services { grid-template-columns: 1fr 1fr; }
  .grid.steps { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 980px) {
  .hero { padding: 32px 0 8px; }
  .section { padding: 12px 0; }
  .section-head { margin-bottom: 10px; }
  .cards {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    gap: 14px;
  }
  .card {
    display: flex;
    flex-direction: column;
  }
  .shot {
    height: 112px;
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .card-body { padding: 10px 12px 12px; }
  .tagline { margin: 2px 0 6px; font-size: 15px; }
  .psr { gap: 4px; margin-bottom: 8px; }
  .psr div { padding: 6px 8px; }
  .actions { margin-top: 8px; }
  .grid.services { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 640px) {
  .hero { padding-top: 32px; }
  .wrap { width: min(1080px, calc(100% - 24px)); }
  .actions { flex-direction: column; }
  .actions .btn { width: 100%; }
  .readme { padding: 4px 12px 16px; }
  .readme h1 { font-size: 28px; }
}