:root {
  --ink: #0d2039;
  --muted: #5e6d7d;
  --line: rgba(13, 32, 57, 0.13);
  --blue: #00529a;
  --blue-dark: #003f78;
  --cream: #f8f2e8;
  --card: rgba(255, 255, 255, 0.86);
  --soft: rgba(242, 247, 252, 0.82);
  --shadow: 0 24px 70px rgba(23, 45, 73, 0.14);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[hidden],
.is-hidden { display: none !important; }
body {
  margin: 0;
  padding-bottom: 100px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 70% 18%, rgba(255, 201, 122, 0.30), transparent 28rem),
    radial-gradient(circle at 22% 38%, rgba(80, 161, 225, 0.16), transparent 30rem),
    linear-gradient(145deg, #fbfaf8, #edf4fa 62%, #e7f0f8);
  min-height: 100vh;
}
a { color: inherit; }
img { max-width: 100%; }
.container { width: min(var(--max), calc(100% - 1.5rem)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.9); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.navbar { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.wordmark { font-weight: 800; text-decoration: none; letter-spacing: -.03em; }
.nav-toggle { display: none; }
.nav-links { display: flex; align-items: center; gap: 1.8rem; }
.nav-links a { text-decoration: none; font-size: .9rem; font-weight: 650; }
.nav-links a[aria-current="page"] { color: var(--blue); border-bottom: 2px solid var(--blue); padding-bottom: .35rem; }
.nav-button { border: 1px solid var(--line); border-radius: 9px; padding: .55rem .85rem; background: #fff; }

.hero { padding: clamp(3rem, 8vw, 6rem) 0 2rem; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .16em; font-size: .73rem; color: var(--blue); font-weight: 800; margin: 0 0 .8rem; }
h1 { font-size: clamp(2.4rem, 6vw, 5.5rem); line-height: .98; letter-spacing: -.055em; margin: 0; max-width: 12ch; }
.lede { color: var(--muted); font-size: clamp(1rem, 2vw, 1.18rem); line-height: 1.65; max-width: 38rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; min-height: 44px; padding: 0 1rem; border-radius: 9px; border: 1px solid var(--line); text-decoration: none; font-weight: 750; font-size: .9rem; background: rgba(255,255,255,.78); }
.button.primary { color: #fff; background: linear-gradient(180deg, var(--blue), var(--blue-dark)); border-color: transparent; }
.hero-art { min-height: 260px; border-radius: 28px; background: linear-gradient(145deg, rgba(255,255,255,.15), rgba(255,255,255,.74)); border: 1px solid rgba(255,255,255,.7); display: grid; place-items: center; padding: 2rem; overflow: hidden; position: relative; }
.hero-art::before { content:""; position:absolute; inset:10%; background: radial-gradient(circle, rgba(0,82,154,.18), transparent 58%); filter: blur(8px); }
.stack { position: relative; width: min(260px, 88%); aspect-ratio: 1; display:grid; place-items:center; }
.stack-core { width: 44%; aspect-ratio: 1; border-radius: 26px; background: linear-gradient(145deg,#0d5b9d,#0a355e); box-shadow: 0 25px 45px rgba(5,47,87,.28); transform: rotate(8deg); display:grid; place-items:center; }
.stack-core img { width: 58%; filter: brightness(0) invert(1); transform: rotate(-8deg); }
.tile { position:absolute; width:26%; aspect-ratio:1; border-radius:18px; background:linear-gradient(145deg,#fff9ed,#e7eef5); border:1px solid rgba(13,32,57,.09); box-shadow:0 16px 30px rgba(25,55,90,.13); }
.tile.one{left:6%;top:18%;}.tile.two{right:7%;top:10%;}.tile.three{left:12%;bottom:8%;}.tile.four{right:13%;bottom:11%;}

.traits { display:grid; grid-template-columns: repeat(3,1fr); gap:1rem; margin:2rem 0 3rem; }
.trait { display:flex; gap:.8rem; align-items:flex-start; }
.icon { width:38px; height:38px; border-radius:12px; border:1px solid var(--line); background:rgba(255,255,255,.7); display:grid; place-items:center; color:var(--blue); font-weight:900; }
.trait strong { display:block; margin-bottom:.2rem; font-size:.9rem; }
.trait span { color:var(--muted); font-size:.78rem; line-height:1.45; }

.panel { background:var(--card); border:1px solid rgba(255,255,255,.9); box-shadow:var(--shadow); border-radius:var(--radius); padding:clamp(1.1rem,3vw,2rem); }
.section { padding: 1rem 0 1rem; }
.section-head { display:flex; align-items:end; justify-content:space-between; gap:1rem; margin-bottom:1.2rem; }
h2 { font-size:clamp(1.55rem,3vw,2.4rem); margin:0; letter-spacing:-.035em; }
.section-head p { margin:.35rem 0 0; color:var(--muted); }
.text-link { color:var(--blue); text-decoration:none; font-weight:750; font-size:.9rem; }
.repo-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; }
.repo-card { padding:1.2rem; border-radius:14px; background:var(--soft); border:1px solid var(--line); text-decoration:none; display:flex; flex-direction:column; min-height:190px; transition:.2s ease; }
.repo-card:hover { transform:translateY(-3px); box-shadow:0 15px 30px rgba(18,49,80,.10); }
.repo-card small { color:var(--blue); font-weight:800; }
.repo-card h3 { margin:.55rem 0 .5rem; font-size:1.08rem; }
.repo-card p { color:var(--muted); line-height:1.55; font-size:.9rem; flex:1; }
.tags { display:flex; flex-wrap:wrap; gap:.4rem; }
.tag { padding:.28rem .55rem; border-radius:999px; background:#e7eff7; color:#31577b; font-size:.7rem; font-weight:700; }

.page-hero { padding:3.2rem 0 0; }
.page-hero h1 { font-size:clamp(2.4rem,5vw,4.3rem); max-width:none; }
.repo-list { overflow: hidden; }
.repository-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}
.repository-filter-group {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: .75rem;
  align-items: start;
  min-height: 100%;
}
.repository-filter-label {
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  padding-top: .65rem;
}
.repository-filter-options { display: flex; flex-wrap: wrap; gap: .55rem; }
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .52rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.8);
  font-size: .84rem;
  font-weight: 650;
}
.filter-chip input { margin: 0; accent-color: var(--blue); }
.sort-control {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: .75rem;
  align-items: start;
  min-height: 100%;
}
.sort-control select {
  min-height: 42px;
  width: 100%;
  padding: 0 .8rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.86);
  color: var(--ink);
  font: inherit;
  margin-top: 0;
}
.repository-list-head {
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) minmax(260px, 2fr) minmax(120px, .7fr) minmax(100px, .65fr) auto;
  gap: 1rem;
  padding: 0 .15rem .65rem;
  color: var(--muted);
  font-size: .74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.repository-list { display: grid; gap: .85rem; }
.repository-row {
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) minmax(260px, 2fr) minmax(120px, .7fr) minmax(100px, .65fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--soft);
}
.repository-row > * { min-width: 0; }
.repository-name,
.repository-action { color: var(--blue); text-decoration: none; font-weight: 750; }
.repository-name { overflow-wrap: anywhere; }
.repository-description { color: var(--muted); line-height: 1.5; font-size: .88rem; }
.repository-description code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: .84em;
}
.repository-location { color: var(--muted); font-size: .82rem; font-weight: 650; }
.repository-category { color: var(--muted); font-size: .76rem; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; }
.repository-action { white-space: nowrap; font-size: .86rem; }
.detail-grid { display:grid; grid-template-columns:280px 1fr; gap:1rem; }
.meta dl { margin:0; }
.meta div { padding:.85rem 0; border-bottom:1px solid var(--line); }
dt { font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); }
dd { margin:.3rem 0 0; font-weight:700; }
.content-card h3 { margin-top:0; }
.content-card p,.content-card li { color:var(--muted); line-height:1.65; }

footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 15;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
}
.footer-inner {
  min-height: 50px;
  padding-block: .85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-links { display:flex; gap:1rem; }
.footer-links a { font-size:.82rem; color:var(--blue); text-decoration:none; }

@media (max-width: 820px) {
  .nav-toggle { display:block; border:0; background:none; font-size:1.5rem; }
  .nav-links { display:none; position:absolute; top:68px; left:0; right:0; padding:1rem; background:rgba(255,255,255,.98); border-bottom:1px solid var(--line); flex-direction:column; align-items:flex-start; }
  .nav-links.open { display:flex; }
  .hero-grid,.detail-grid { grid-template-columns:1fr; }
  .hero-art { min-height:290px; }
  .traits,.repo-grid { grid-template-columns:1fr; }
  .section-head { align-items:flex-start; flex-direction:column; }
  .repository-tools { grid-template-columns: 1fr; align-items: stretch; }
  .repository-filter-group {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: .65rem;
  }
  .sort-control {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: .65rem;
  }
  .repository-filter-label { padding-top: .55rem; }
  .repository-list-head { display: none; }
  .repository-row {
    grid-template-columns: 1fr auto;
    gap: .45rem .8rem;
    padding: 1rem;
  }
  .repository-name { grid-column: 1; }
  .repository-action { grid-column: 2; grid-row: 1; text-align: right; }
  .repository-description { grid-column: 1 / -1; }
  .repository-location,
  .repository-category { grid-column: 1 / -1; }
  .footer-inner {
    min-height: 50px;
    padding: 1rem .35rem;
    align-items: center;
  }
  .footer-links {
    margin-left: auto;
    justify-content: flex-end;
    text-align: right;
  }
  h1 { max-width:13ch; }
}

@media (max-width: 480px) {
  body { padding-bottom: 60px; }
  .footer-inner { padding: 1rem .5rem; }
  .footer-links { gap: .85rem; }
}