/* The public product page at nbd.day (backend/src/lib/cloud-landing.ts).
   Same palette as the app (styles.css) so the page and the product match. */
:root {
  --bg: #fbfaf8;
  --panel: #ffffff;
  --ink: #1b1a18;
  --muted: #6c6862;
  --line: #e4e0d9;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --accent-soft: #e8f0ec;
  --agent: #6b4ea8;
  --agent-soft: #efeaf9;
  --warn: #9a5b1f;
  --warn-soft: #f7ede2;
  --sky: #2f6f9a;
  --sky-soft: #e4eef5;
  --code-bg: #1d1f22;
  --code-ink: #e8e6e1;
  --shadow: 0 1px 2px rgb(27 26 24 / 6%), 0 12px 40px rgb(27 26 24 / 10%);
  --radius: 14px;
  --sans: ui-sans-serif, -apple-system, "Segoe UI", system-ui, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131416;
    --panel: #1c1e21;
    --ink: #ecebe8;
    --muted: #9a968f;
    --line: #2c2f35;
    --accent: #7fb8a4;
    --accent-ink: #10201b;
    --accent-soft: #1f2c28;
    --agent: #b9a2ea;
    --agent-soft: #2a2438;
    --warn: #e0a463;
    --warn-soft: #33281d;
    --sky: #8cbde0;
    --sky-soft: #1d2a34;
    --code-bg: #0d0e10;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 16px 48px rgb(0 0 0 / 40%);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Header */
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}
.mark { font: 600 21px/1 var(--serif); text-decoration: none; letter-spacing: -0.01em; }
.top nav { display: flex; gap: 22px; align-items: center; font-size: 14px; }
.top nav a { text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--ink); }
.top nav .signin {
  color: var(--ink); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px;
}

main { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
section { padding: 72px 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.015em; }
h2 { font-size: clamp(28px, 4vw, 38px); line-height: 1.15; margin: 0 0 12px; text-align: center; }
.sub { color: var(--muted); text-align: center; max-width: 620px; margin: 0 auto 40px; font-size: 18px; }

/* Hero */
.hero { padding-top: 56px; text-align: center; }
.eyebrow {
  display: inline-block; margin: 0 0 18px; padding: 4px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600;
}
.hero h1 { font-size: clamp(36px, 6vw, 62px); line-height: 1.06; margin: 0 auto 20px; max-width: 880px; }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 640px; margin: 0 auto 30px; }

/* Join form */
.join { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; max-width: 460px; margin: 0 auto; }
.join input {
  flex: 1 1 220px; min-width: 0; padding: 12px 16px; font: inherit; color: inherit;
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
}
.join input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.join button {
  padding: 12px 20px; font: 600 15px var(--sans); border: 0; border-radius: 999px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink);
}
.join button:hover { filter: brightness(1.08); }
.join-error { flex-basis: 100%; margin: 4px 0 0; color: var(--warn); font-size: 14px; }
.joined {
  display: inline-block; margin: 0 auto; padding: 12px 18px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 600;
}

/* Product mock-up */
.window {
  margin: 56px auto 0; max-width: 1040px; text-align: left;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.chrome { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.chrome span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.chrome b { margin: 0 auto; font: 500 12px var(--sans); color: var(--muted); }
.app { display: grid; grid-template-columns: 150px 1fr 260px; min-height: 360px; }
.side { display: flex; flex-direction: column; gap: 2px; padding: 16px 10px; border-right: 1px solid var(--line); font-size: 13px; }
.side b { font: 600 16px var(--serif); padding: 0 10px 12px; }
.side a { padding: 6px 10px; border-radius: 8px; color: var(--muted); }
.side a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.week { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; padding: 16px; }
.day { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.day > span { font-size: 12px; font-weight: 600; color: var(--muted); }
.col { position: relative; flex: 1; border-radius: 10px; background: repeating-linear-gradient(var(--bg) 0 23px, var(--line) 23px 24px); }
.ev {
  position: absolute; left: 4px; right: 4px; padding: 4px 6px; border-radius: 6px;
  font: 600 11px/1.25 var(--sans); font-style: normal; overflow: hidden;
}
.ev.a { background: var(--sky-soft); color: var(--sky); }
.ev.b { background: var(--accent-soft); color: var(--accent); }
.ev.c { background: var(--warn-soft); color: var(--warn); }
.ev.d { background: var(--agent-soft); color: var(--agent); }
.ev.p { background: transparent; color: var(--agent); border: 1.5px dashed var(--agent); }
.cards { display: flex; flex-direction: column; gap: 12px; padding: 16px; border-left: 1px solid var(--line); }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 13px; background: var(--bg); }
.card h4 { margin: 0 0 8px; font: 600 13px var(--sans); }
.card ul { margin: 0; padding-left: 16px; color: var(--muted); }
.card ul b { color: var(--ink); }
.card p { margin: 0 0 10px; color: var(--muted); }
.card p b { color: var(--ink); }
.proposal { border-color: color-mix(in srgb, var(--agent) 40%, var(--line)); background: var(--agent-soft); }
.proposal em { font-style: normal; color: var(--agent); }
.actions { display: flex; gap: 6px; }
.actions span { padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); font-size: 12px; font-weight: 600; }
.actions .ok { background: var(--agent); color: var(--panel); border-color: var(--agent); }

/* Features */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid article {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.grid h3 { margin: 14px 0 6px; font-size: 21px; }
.grid p { margin: 0; color: var(--muted); }
.icon {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent);
}
.icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* Agents */
.split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 16px; align-items: stretch; }
.code { background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius); padding: 20px 22px; overflow: hidden; }
.code pre { margin: 0; font: 13px/1.6 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.code .k { color: #7fb8a4; }
.code .c { color: #b9b5ad; }
.c-head, .c-foot { margin: 0 0 14px; font-size: 13px; color: #b9b5ad; }
.c-foot { margin: 14px 0 0; }
.c-foot code { font-family: var(--mono); color: var(--code-ink); }
.handoff { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.h-head { display: flex; align-items: center; gap: 8px; margin: 0 0 6px; font-size: 13px; color: var(--muted); }
.h-head b { color: var(--ink); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--agent); }
.handoff h5 { margin: 14px 0 2px; font: 600 12px var(--sans); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.handoff p { margin: 0; }
.steps { list-style: none; counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0; margin: 28px 0 0; }
.steps li { counter-increment: s; color: var(--muted); padding-top: 12px; border-top: 2px solid var(--line); }
.steps li b { display: block; color: var(--ink); font-size: 17px; margin-bottom: 4px; }
.steps li b::before { content: counter(s) " · "; color: var(--accent); }

/* Pricing */
.plan {
  max-width: 460px; margin: 28px auto 0; text-align: center; padding: 32px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.plan-name { margin: 0; font: 600 14px var(--sans); color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; }
.price { margin: 10px 0 18px; }
.price b { display: block; font: 600 30px var(--serif); }
.price span { color: var(--muted); font-size: 14px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; text-align: left; }
.plan li { padding: 8px 0 8px 26px; border-top: 1px solid var(--line); position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 4px; color: var(--accent); font-weight: 700; }

/* FAQ */
.faq { max-width: 720px; margin: 0 auto; }
.faq h2 { margin-bottom: 24px; }
.faq details { border-top: 1px solid var(--line); padding: 16px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.faq details p { color: var(--muted); margin: 10px 0 0; }

footer {
  display: flex; gap: 20px; justify-content: center; padding: 40px 24px 56px;
  color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); margin-top: 40px;
}

/* Narrow screens */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { display: none; }
  .week { min-height: 240px; }
  .cards { border-left: 0; border-top: 1px solid var(--line); }
  .grid, .split, .steps { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .top nav a:not(.signin) { display: none; }
  .week { grid-template-columns: repeat(3, 1fr); }
  .week .day:nth-child(n + 4) { display: none; }
  section { padding: 52px 0; }
}