/* posboard.app — light only. Brand colours come from the logo (media/*.png): amber #DF9B1C, charcoal #2F3436. */
:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --sunk: #f4f1ea;
  --ink: #2f3436;
  --muted: #646a6d;
  --line: #e7e2d8;
  --amber: #df9b1c;
  --amber-soft: #fbf0d9;
  --amber-text: #8f5c00;          /* amber that passes 4.5:1 on white, for small text */
  --charcoal: #2f3436;
  --stage: #23272a;
  --radius: 16px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Inter Tight", "Inter", system-ui, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--font); }
a { color: var(--amber-text); }
img, svg, video { max-width: 100%; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; }
.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo img { height: 30px; width: auto; display: block; }
.nav { display: flex; align-items: center; gap: 20px; font-size: 15px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav .lang { border: 1px solid var(--line); border-radius: 999px; padding: 3px 11px; background: var(--surface); }
.nav .btn { padding: 8px 16px; font-size: 15px; color: var(--charcoal); }
@media (max-width: 760px) { .nav .hide-sm { display: none; } .logo img { height: 26px; } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; font-size: 16px; }
.btn-primary { background: var(--amber); color: var(--charcoal); }
.btn-primary:hover { background: #e7a52b; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { border-color: #d5cec1; }
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* hero */
.hero { text-align: center; padding: 22px 0 30px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--amber-text); background: var(--amber-soft); padding: 5px 12px; border-radius: 999px; }
h1 { font: 700 clamp(36px, 5.6vw, 68px)/1.04 var(--display); letter-spacing: -0.03em; margin: 16px auto 16px; }
h1 em { font-style: normal; color: var(--amber); display: block; }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--muted); margin: 0 auto; max-width: 36em; }
@media (max-width: 520px) { .eyebrow { font-size: 11px; } }
.cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.note { font-size: 14px; color: var(--muted); margin-top: 14px; }

/* the demo: what dominates the page */
.demo { margin: 8px auto 0; max-width: 1160px; }
.stage { position: relative; border-radius: 22px; background: var(--stage); padding: 10px; box-shadow: 0 50px 90px -40px rgba(47,52,54,.55), 0 0 0 1px rgba(47,52,54,.06); }
.stage video, .stage .poster { display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: 14px; background: #1b1e20; object-fit: cover; }
.sound { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 10px; padding: 11px 18px 11px 14px; border: 0; border-radius: 999px; background: rgba(255,255,255,.94); color: var(--charcoal); font: 600 15px/1 var(--font); box-shadow: 0 10px 30px -10px rgba(0,0,0,.5); cursor: pointer; }
.sound svg { width: 22px; height: 22px; flex: none; }
.sound[hidden] { display: none; }
.chapters { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 0; margin: 18px 0 0; counter-reset: ch; }
.chapters li { position: relative; }
.chapters button { width: 100%; text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: 14px; padding: 14px 16px 16px; cursor: pointer; color: var(--ink); font: inherit; overflow: hidden; position: relative; }
.chapters b { display: block; font: 700 16px/1.3 var(--display); letter-spacing: -0.01em; }
.chapters span { display: block; font-size: 14px; color: var(--muted); margin-top: 3px; }
.chapters b::before { counter-increment: ch; content: counter(ch); display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 8px; border-radius: 50%; background: var(--sunk); color: var(--ink); font-size: 12px; vertical-align: 1px; }
.chapters .bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: var(--amber); }
.chapters .on button { border-color: var(--amber); }
.chapters .on b::before { background: var(--amber); color: var(--charcoal); }
@media (max-width: 1040px) { .chapters { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .chapters { grid-template-columns: 1fr; gap: 8px; } .chapters span { display: none; } .stage { padding: 6px; border-radius: 16px; } .stage video, .stage .poster { border-radius: 11px; } .sound { bottom: 14px; font-size: 14px; } }

/* sections */
section { padding: 88px 0 0; }
h2 { font: 700 clamp(30px, 4.2vw, 46px)/1.08 var(--display); letter-spacing: -0.03em; margin: 0 0 14px; }
.sub { color: var(--muted); max-width: 40em; margin: 0 0 36px; font-size: 18px; }
.center { text-align: center; }
.center .sub { margin-left: auto; margin-right: auto; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 860px) { .grid3, .grid2 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h3 { margin: 10px 0 6px; font: 700 19px/1.3 var(--display); letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); }
.step { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--amber); color: var(--charcoal); font: 700 14px/1 var(--font); }
.icon { width: 40px; height: 40px; border-radius: 12px; background: var(--amber-soft); color: var(--amber-text); display: grid; place-items: center; }
.icon svg { width: 21px; height: 21px; }

/* things you can say */
.asks { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 980px; margin: 0 auto; padding: 0; list-style: none; }
.asks li { background: var(--surface); border: 1px solid var(--line); border-radius: 18px 18px 18px 4px; padding: 10px 16px; font-size: 16px; box-shadow: 0 1px 0 rgba(47,52,54,.04); }
.asks li:nth-child(3n+2) { background: var(--amber-soft); border-color: #f1dfb8; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
@media (max-width: 1040px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .plans { grid-template-columns: 1fr; } }
.plan { display: flex; flex-direction: column; position: relative; }
.plan.featured { border-color: var(--amber); box-shadow: 0 0 0 1px var(--amber), 0 30px 60px -40px rgba(143,92,0,.45); }
.plan .tag { position: absolute; top: 22px; right: 18px; font-size: 12px; font-weight: 700; color: var(--amber-text); background: var(--amber-soft); border-radius: 999px; padding: 3px 10px; }
.plan h3 { margin-top: 0; }
.plan .for { font-size: 14px; color: var(--muted); margin: 0; min-height: 2.8em; }
.price { font: 700 34px/1.1 var(--display); letter-spacing: -0.02em; margin: 14px 0 2px; }
.price small { font: 400 15px/1 var(--font); color: var(--muted); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 0; color: var(--muted); font-size: 15px; }
.plan li { padding: 7px 0 7px 26px; position: relative; border-top: 1px dashed var(--line); }
.plan li::before { content: "✓"; position: absolute; left: 3px; color: var(--amber-text); font-weight: 700; }
.plan li strong { color: var(--ink); font-weight: 600; }
.connect { display: flex; gap: 18px; align-items: flex-start; margin-top: 16px; border-left: 4px solid var(--amber); }
.connect h3 { margin-top: 6px; }
.connect p + p { margin-top: 8px; }
.connect .small { font-size: 14px; }
.connect strong { color: var(--ink); }
@media (max-width: 600px) { .connect { flex-direction: column; gap: 6px; } }
.fine { font-size: 14px; color: var(--muted); margin-top: 22px; max-width: 60em; }

/* faq */
.faq { max-width: 780px; }
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 17px; }
details p { color: var(--muted); margin: 10px 0 0; }

/* closing call */
.closing { margin-top: 88px; background: var(--charcoal); color: #fff; border-radius: 24px; padding: 56px 28px; text-align: center; }
.closing h2 { color: #fff; }
.closing .sub { color: #c9cdcf; margin-left: auto; margin-right: auto; }
.closing .btn-ghost { background: transparent; color: #fff; border-color: #4b5256; }

/* footer */
footer { margin-top: 72px; border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--muted); font-size: 14px; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 16px; }
.foot a { color: var(--muted); }

/* legal pages */
.legal { max-width: 760px; padding: 24px 0 64px; }
.legal h1 { font-size: clamp(32px, 5vw, 44px); text-align: left; margin-left: 0; }
.legal h2 { font: 600 20px/1.3 var(--font); letter-spacing: 0; margin: 32px 0 8px; }
.legal p, .legal li { color: var(--ink); }
.legal .meta { color: var(--muted); }