/* uRep — landing page styles */

/* ===== Design tokens ===== */

:root {
  --bg: #0a0e13;
  --bg-soft: #0f151c;
  --panel: #111922;
  --panel-2: #0d1319;
  --line: #1f2b36;
  --line-strong: #2c3d4c;
  --text: #e8eef4;
  --muted: #93a3b3;
  --muted-2: #6f8091;
  --green: #7ee787;
  --green-soft: #2ea043;
  --cyan: #6ee7f2;
  --amber: #f2c46e;
  --radius: 16px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ===== Base ===== */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 78% -10%, rgba(126, 231, 135, 0.09), transparent 60%),
    radial-gradient(900px 500px at 8% 5%, rgba(110, 231, 242, 0.07), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(126, 231, 135, 0.25); }

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

/* ===== Header / navigation ===== */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 19, 0.72);
  border-bottom: 1px solid rgba(31, 43, 54, 0.8);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.brand svg { color: var(--green); }

.nav nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.92rem;
  color: var(--muted);
}

.nav nav a { transition: color 160ms ease; }
.nav nav a:hover { color: var(--text); }

.nav .nav-cta {
  color: var(--bg);
  background: var(--green);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 650;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.nav .nav-cta:hover {
  color: var(--bg);
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(126, 231, 135, 0.22);
}

/* ===== Layout ===== */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Hero ===== */

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 56px;
  align-items: center;
  padding: 92px 0 84px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 650;
  background: rgba(17, 25, 34, 0.6);
}

.badge .pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(126, 231, 135, 0.12);
}

h1 {
  margin: 22px 0 20px;
  font-size: clamp(2.5rem, 5.2vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  font-weight: 760;
}

h1 .accent { color: var(--green); }

.lede {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 1.08rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ===== Buttons ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 11px;
  font-weight: 650;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover { transform: translateY(-1px); }

.btn.primary {
  background: var(--green);
  color: #07100a;
  box-shadow: 0 10px 30px rgba(126, 231, 135, 0.18);
}

.btn.ghost {
  border-color: var(--line-strong);
  background: rgba(17, 25, 34, 0.55);
  color: var(--text);
}

.btn.ghost:hover { border-color: var(--green-soft); }

/* ===== Code cards ===== */

.code-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
}

.code-head .lights { display: flex; gap: 6px; }
.code-head .lights i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong);
}
.code-head .lights i:nth-child(1) { background: #ff7b72; opacity: .8; }
.code-head .lights i:nth-child(2) { background: var(--amber); opacity: .8; }
.code-head .lights i:nth-child(3) { background: var(--green); opacity: .8; }

pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.83rem;
  line-height: 1.65;
  color: #c9d7e2;
  background: transparent;
}

pre .cmd { color: var(--green); }
pre .flag { color: var(--cyan); }
pre .str { color: var(--amber); }
pre .comment { color: var(--muted-2); }

/* ===== Sections ===== */

.section {
  padding: 74px 0;
  border-top: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 650;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 730;
}

.section-intro {
  margin: 0 0 36px;
  max-width: 720px;
  color: var(--muted);
}

/* ===== Cards ===== */

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(17, 25, 34, 0.82), rgba(13, 19, 25, 0.72));
  transition: border-color 180ms ease, transform 180ms ease;
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.card .icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  margin-bottom: 15px;
  color: var(--green);
  background: rgba(126, 231, 135, 0.09);
  border: 1px solid rgba(126, 231, 135, 0.16);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

/* ===== Steps ===== */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 30px;
}

.step {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(17, 25, 34, 0.55);
}

.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(126, 231, 135, 0.3);
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.step h3 { margin: 0 0 6px; font-size: 1rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* ===== Architecture diagram ===== */

.diagram {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-2);
  padding: 22px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.55;
}

.diagram .hl { color: var(--green); }
.diagram .dim { color: var(--muted-2); }

/* ===== Quick start ===== */

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: start;
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.checklist li {
  display: flex;
  gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.checklist li::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
}

/* ===== Status chips ===== */

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.84rem;
  background: rgba(17, 25, 34, 0.55);
  font-family: var(--mono);
}

.chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

/* ===== Footer ===== */

footer {
  border-top: 1px solid var(--line);
  margin-top: 20px;
  padding: 30px 24px 46px;
  color: var(--muted-2);
  font-size: 0.86rem;
}

footer .inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--green); }

.muted { color: var(--muted-2); }

/* ===== Responsive ===== */

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 64px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 720px) {
  .nav { padding: 14px 18px; }
  .nav nav { gap: 14px; font-size: 0.85rem; }
  .nav nav a:not(.nav-cta) { display: none; }
  main { padding: 0 18px; }
  .hero { padding: 52px 0 56px; }
  .grid, .steps { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  pre { font-size: 0.77rem; }
}