@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700&family=Archivo:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --paper: #faf8f4;
  --ink: #1c1a17;
  --muted: #5d574e;
  --line: #e3ddd2;
  --accent: #c14a28;
  --accent-dark: #9a3a1f;
  --card: #ffffff;
  --mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* ---- accessibility primitives ---- */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.skip {
  position: absolute; left: -9999px; top: 8px; z-index: 200;
  background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 5px; font-weight: 600;
}
.skip:focus { left: 12px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
@media (prefers-contrast: more) {
  :root { --muted: #3a352e; --line: #8d867b; }
  .up { color: #135c2b !important; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Archivo', sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Fraunces', serif; font-weight: 600; line-height: 1.15; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: var(--mono); }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

nav {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky; top: 0; z-index: 10;
}
nav .wrap { display: flex; align-items: center; gap: 28px; height: 58px; }
nav .logo { font-family: 'Fraunces', serif; font-weight: 700; font-size: 19px; color: var(--ink); }
nav .logo span { color: var(--accent); }
nav a.nl { color: var(--muted); font-size: 14px; }
nav a.nl:hover { color: var(--ink); text-decoration: none; }
nav .cta { margin-left: auto; }

.btn {
  display: inline-block; padding: 10px 20px; border-radius: 4px;
  background: var(--ink); color: var(--paper); font-weight: 600; font-size: 14px;
  border: none; cursor: pointer; font-family: 'Archivo', sans-serif;
}
.btn:hover { background: #000; text-decoration: none; }
.btn.accent { background: var(--accent); color: #fff; }
.btn.accent:hover { background: var(--accent-dark); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--ink); }

.hero { padding: 84px 0 60px; }
.hero .kicker { font-family: var(--mono); font-size: 13px; color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase; }
.hero h1 { font-size: clamp(34px, 5.5vw, 58px); margin: 14px 0 18px; max-width: 780px; }
.hero p.sub { font-size: 18px; color: var(--muted); max-width: 620px; margin-bottom: 30px; }

.tape {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 10px 0; overflow: hidden; white-space: nowrap;
  font-family: var(--mono); font-size: 13px; color: var(--muted);
}
.tape-track { display: inline-block; white-space: nowrap; }
.tape-track.rolling {
  will-change: transform;
  animation: tapescroll 40s linear infinite;
}
.tape-track .half { display: inline-block; padding-right: 64px; }
@keyframes tapescroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}
.tape:hover .tape-track.rolling { animation-play-state: paused; }
.tape-track.paused { animation-play-state: paused !important; }
.tape-wrap { position: relative; }
.tape-toggle {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%); z-index: 5;
  font-family: var(--mono); font-size: 11px; background: var(--paper); color: var(--muted);
  border: 1px solid var(--line); border-radius: 4px; padding: 4px 10px; cursor: pointer;
}
.tape-toggle:hover, .tape-toggle:focus-visible { color: var(--ink); border-color: var(--ink); }
@media (prefers-reduced-motion: reduce) { .tape-track.rolling { animation: none; } }
.tape b { color: var(--ink); font-weight: 500; }
.flare { display: inline-block; animation: flarepulse 1.1s ease-in-out infinite; }
@keyframes flarepulse {
  0%, 100% { transform: scale(1); opacity: .8; }
  50% { transform: scale(1.3); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .flare { animation: none; } }
.tape .up { color: #1e7d3c; }
.tape .down { color: var(--accent); }

section.block { padding: 64px 0; border-bottom: 1px solid var(--line); }
section.block h2, h1.pageh { font-size: 30px; margin-bottom: 10px; font-family: 'Fraunces', serif; font-weight: 600; line-height: 1.15; }
main a:not(.btn) { text-decoration: underline; text-underline-offset: 2px; }
section.block p.lead { color: var(--muted); max-width: 640px; margin-bottom: 36px; }

.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 24px;
}
.card h2, .card h3 { font-size: 18px; margin-bottom: 8px; font-family: 'Fraunces', serif; font-weight: 600; }
.card p { font-size: 14.5px; color: var(--muted); }
.card .tag { font-family: var(--mono); font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; align-items: stretch; }
.price-card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 30px; display: flex; flex-direction: column; }
.price-card.featured { border: 2px solid var(--accent); position: relative; }
.price-card.featured::before {
  content: 'Most desks pick this'; position: absolute; top: -11px; left: 24px;
  background: var(--accent); color: #fff; font-size: 11px; font-family: var(--mono);
  padding: 2px 10px; border-radius: 3px;
}
.price-card h2, .price-card h3 { font-size: 21px; font-family: 'Fraunces', serif; font-weight: 600; }
.price-card .amount { font-family: 'Fraunces', serif; font-size: 44px; font-weight: 700; margin: 14px 0 2px; }
.price-card .amount small { font-size: 16px; color: var(--muted); font-family: 'Archivo', sans-serif; font-weight: 400; }
.price-card ul { list-style: none; margin: 22px 0 28px; flex: 1; }
.price-card li { padding: 7px 0; font-size: 14.5px; border-bottom: 1px dashed var(--line); }
.price-card li::before { content: '+ '; color: var(--accent); font-family: var(--mono); }
.price-card .btn { width: 100%; text-align: center; }

.beta-pill {
  display: inline-block; vertical-align: middle; margin-left: 6px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--accent); color: #fff; border-radius: 3px; padding: 2px 7px;
}

.lim {
  position: relative; display: inline-block; margin-left: 6px; vertical-align: middle;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--accent); color: var(--accent); border-radius: 3px; padding: 2px 7px; cursor: help;
}
.lim::after {
  content: attr(data-tip); position: absolute; left: 50%; transform: translateX(-50%);
  bottom: calc(100% + 8px); width: 250px; background: var(--ink); color: var(--paper);
  font-family: 'Archivo', sans-serif; font-size: 12px; font-weight: 400; text-transform: none; letter-spacing: 0;
  line-height: 1.45; padding: 9px 11px; border-radius: 5px;
  opacity: 0; pointer-events: none; transition: opacity .15s; z-index: 30;
}
.lim:hover::after, .lim:focus-visible::after { opacity: 1; }

footer { padding: 40px 0 60px; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---- chat app ---- */
.app-shell { max-width: 860px; margin: 0 auto; padding: 0 20px; display: flex; flex-direction: column; height: calc(100vh - 59px); }
#chatlog { flex: 1; overflow-y: auto; padding: 28px 4px; }
.msg { margin-bottom: 18px; max-width: 92%; }
.msg .who { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 4px; }
.msg.user .who { color: var(--accent); }
.msg .body { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; font-size: 14.5px; white-space: pre-wrap; }
.msg.user .body { background: #f1ece2; }
.msg .body table { border-collapse: collapse; margin: 8px 0; font-family: var(--mono); font-size: 12.5px; }
.msg .body td, .msg .body th { border: 1px solid var(--line); padding: 3px 8px; text-align: right; }
.msg .body th { background: #f1ece2; }
.msg .trace { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 5px; }
.composer { display: flex; gap: 10px; padding: 14px 0 22px; border-top: 1px solid var(--line); }
.composer input {
  flex: 1; padding: 12px 14px; border: 1px solid var(--line); border-radius: 5px;
  font-family: 'Archivo', sans-serif; font-size: 15px; background: var(--card); color: var(--ink);
}
.composer input:focus { outline: none; border-color: var(--accent); }
.suggest { display: flex; gap: 8px; flex-wrap: wrap; padding-bottom: 10px; }
.suggest button {
  font-family: var(--mono); font-size: 12px; background: transparent; color: var(--muted);
  border: 1px solid var(--line); border-radius: 20px; padding: 5px 12px; cursor: pointer;
}
.suggest button:hover { color: var(--ink); border-color: var(--ink); }

.modal-back { position: fixed; inset: 0; background: rgba(28,26,23,.45); display: none; align-items: center; justify-content: center; z-index: 50; }
.modal-back.open { display: flex; }
.modal { background: var(--card); border-radius: 8px; padding: 30px; max-width: 420px; width: 92%; }
.modal h3 { margin-bottom: 6px; }
.modal p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.modal input { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 5px; font-size: 15px; margin-bottom: 12px; font-family: 'Archivo', sans-serif; }