/* Piirus — app download portal */
:root {
  --bg: #0c1016;
  --bg-elev: #121821;
  --card: #161d28;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.24);
  --text: #e8eef7;
  --muted: #94a3b8;
  --faint: #64748b;
  --accent: #5b8def;
  --accent-2: #7c5cfc;
  --accent-dim: rgba(91, 141, 239, 0.14);
  --ok: #34d399;
  --danger: #f87171;
  --radius: 14px;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Instrument Sans", var(--font);
  --max: 1100px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(900px 480px at 10% -10%, rgba(91, 141, 239, 0.16), transparent 55%),
    radial-gradient(700px 400px at 90% 0%, rgba(124, 92, 252, 0.12), transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-size: 0.9em; color: #c7d2fe; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(12, 16, 22, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.logo { display: flex; align-items: center; gap: 0.55rem; color: var(--text); text-decoration: none; }
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-weight: 700; font-size: 0.95rem;
}
.logo-text { font-family: var(--display); font-weight: 700; letter-spacing: -0.02em; }
.nav { display: flex; align-items: center; gap: 0.2rem; flex-wrap: wrap; }
.nav a {
  color: var(--muted); padding: 0.45rem 0.7rem; border-radius: 8px;
  font-weight: 500; font-size: 0.92rem; text-decoration: none;
}
.nav a:hover, .nav a.is-active { color: var(--text); background: rgba(255,255,255,0.04); text-decoration: none; }

.main { width: min(100% - 2rem, var(--max)); margin: 0 auto 3rem; padding-top: 1.5rem; }
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; color: var(--faint); font-size: 0.88rem; }
.footer-inner {
  width: min(100% - 2rem, var(--max)); margin: 0 auto;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}

.hero {
  display: grid; grid-template-columns: 1.2fr 0.9fr; gap: 1.5rem;
  align-items: start; margin-bottom: 2rem;
}
.hero h1 {
  font-family: var(--display); font-size: clamp(1.9rem, 4vw, 2.6rem);
  letter-spacing: -0.03em; line-height: 1.15; margin: 0 0 0.75rem;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { color: var(--muted); font-size: 1.05rem; max-width: 36rem; margin: 0 0 1.25rem; }
.eyebrow {
  margin: 0 0 0.4rem; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow);
}
.card h2, .card h3 { margin: 0 0 0.5rem; font-family: var(--display); letter-spacing: -0.02em; }
.muted { color: var(--muted); }
.small { font-size: 0.88rem; }
.version-tag {
  display: inline-block; font-weight: 700; color: var(--accent);
  background: var(--accent-dim); border: 1px solid rgba(91,141,239,0.3);
  padding: 0.2rem 0.55rem; border-radius: 999px; font-size: 0.85rem; margin: 0 0 0.5rem;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem;
  border: 0; border-radius: 10px; padding: 0.7rem 1.15rem; font: inherit; font-weight: 600;
  cursor: pointer; text-decoration: none; transition: transform 0.12s, background 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #4f74d6);
  color: #fff; box-shadow: 0 8px 24px rgba(91, 141, 239, 0.28);
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.05); text-decoration: none; color: #fff; }
.btn-ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--border-strong);
}
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.03); text-decoration: none; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.88rem; }

.checklist { margin: 0.75rem 0 1rem; padding: 0; list-style: none; color: var(--muted); }
.checklist li { padding: 0.3rem 0 0.3rem 1.35rem; position: relative; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.pricing { display: grid; grid-template-columns: 1fr 0.9fr; gap: 1.5rem; align-items: start; }
.pricing-card .price {
  font-size: 2rem; font-weight: 700; font-family: var(--display); margin: 0.25rem 0 0.75rem;
}

.auth-wrap { display: grid; place-items: center; min-height: calc(100vh - var(--header-h) - 8rem); }
.auth-card { width: min(100%, 420px); }
.form-stack { display: grid; gap: 0.85rem; margin-top: 1rem; }
.form-stack label { display: grid; gap: 0.35rem; font-size: 0.85rem; font-weight: 600; color: var(--muted); }
.form-stack input, .form-stack textarea, .form-stack select {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.7rem 0.8rem; color: var(--text); font: inherit;
}
.form-stack input:focus, .form-stack textarea:focus {
  outline: none; border-color: rgba(91,141,239,0.55);
  box-shadow: 0 0 0 3px rgba(91,141,239,0.15);
}

.flash {
  border-radius: 10px; padding: 0.85rem 1rem; margin: 0 0 1rem; font-size: 0.92rem;
}
.flash p { margin: 0.2rem 0; }
.flash-error { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.35); color: #fecaca; }
.flash-success { background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.35); color: #a7f3d0; }
.flash-info { background: var(--accent-dim); border: 1px solid rgba(91,141,239,0.35); color: #c7d2fe; }

.dash-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem;
}
.dash h1 { margin: 0; font-family: var(--display); letter-spacing: -0.02em; }
.status { font-weight: 700; margin: 0.35rem 0; }
.status-ok { color: var(--ok); }
.status-locked { color: #fbbf24; }
.changelog {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 0.75rem; color: var(--muted); white-space: pre-wrap; font-size: 0.88rem;
  max-height: 160px; overflow: auto;
}
.hash { font-size: 0.8rem; }
.table-wrap { overflow: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--border); }
.table th { color: var(--faint); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.steps { color: var(--muted); padding-left: 1.2rem; }
.steps li { margin: 0.35rem 0; }

@media (max-width: 860px) {
  .hero, .pricing, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav .btn-sm { display: none; }
}