/* qAuto website. One style sheet, no build step (_doc/qauto-website-plan.md). */

:root {
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;

  --bg: #fbfaf7;
  --bg-soft: #f3f1ea;
  --surface: #ffffff;
  --text: #14161b;
  --text-2: #2b2f38;
  --muted: #5c6270;
  --line: #e5e1d6;
  --accent: #047857;
  --accent-strong: #059669;
  --accent-2: #0e7490;
  --glow: rgba(16, 185, 129, 0.16);
  --glow-2: rgba(14, 165, 233, 0.10);
  --btn: #047857;
  --btn-text: #ffffff;
  --shadow: 0 1px 2px rgba(20, 22, 27, 0.04), 0 18px 40px -18px rgba(20, 22, 27, 0.22);

  --code-bg: #0f1318;
  --code-line: #232833;
  --code-text: #d6dbe3;
  --code-muted: #7c8594;
  --code-green: #3fcf8e;
  --code-red: #ff6b6b;
  --code-str: #a5d6ff;
  --code-key: #ffb86b;
  --code-ph: #d2a8ff;

  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d11;
    --bg-soft: #12151b;
    --surface: #13161d;
    --text: #eceef2;
    --text-2: #c9ced8;
    --muted: #9aa1ae;
    --line: #232731;
    --accent: #34d399;
    --accent-strong: #10b981;
    --accent-2: #22d3ee;
    --glow: rgba(52, 211, 153, 0.13);
    --glow-2: rgba(34, 211, 238, 0.08);
    --btn: #34d399;
    --btn-text: #042f20;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 24px 48px -20px rgba(0, 0, 0, 0.7);
    --code-bg: #0d1015;
    --code-line: #262b35;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 3px; border-radius: 6px; }
::selection { background: color-mix(in srgb, var(--accent-strong) 28%, transparent); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 20; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 6px;
  white-space: nowrap;
}

/* A placeholder to fill in before the site goes live. */

/* ---------------------------------------------------------------- Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 19px; letter-spacing: -0.02em; text-decoration: none; }
.logo svg { width: 28px; height: 28px; }
.site-nav { display: flex; gap: 2px; }
.site-nav a { text-decoration: none; color: var(--muted); font-size: 15px; padding: 6px 11px; border-radius: 8px; transition: color 0.15s, background 0.15s; }
.site-nav a:hover { color: var(--text); background: var(--bg-soft); }
.site-nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

/* ---------------------------------------------------------------- Buttons */

.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 22px;
  border-radius: 11px;
  font-weight: 650;
  font-size: 15.5px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--btn); color: var(--btn-text); box-shadow: 0 10px 28px -10px color-mix(in srgb, var(--accent-strong) 70%, transparent); }
.btn-primary:hover { box-shadow: 0 14px 32px -10px color-mix(in srgb, var(--accent-strong) 80%, transparent); }
.btn-ghost { background: var(--surface); color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: color-mix(in srgb, var(--text) 25%, var(--line)); }

/* ---------------------------------------------------------------- Hero */

.hero { position: relative; isolation: isolate; overflow: hidden; padding: 96px 0 88px; }
.hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 760px;
  z-index: -2;
  background:
    radial-gradient(45% 55% at 72% 38%, var(--glow), transparent 70%),
    radial-gradient(35% 45% at 18% 8%, var(--glow-2), transparent 70%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 20%, transparent 75%);
  opacity: 0.55;
}
.hero-center { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero-center .lede { margin-left: auto; margin-right: auto; }
.hero-center .actions { justify-content: center; }
.hero .ide { margin-top: 64px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent-strong) 9%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent-strong) 28%, transparent);
  padding: 5px 13px 5px 11px;
  border-radius: 999px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-strong); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-strong) 22%, transparent); }

h1 { margin: 0; }
.hero h1 {
  font-size: clamp(2.8rem, 7.6vw, 5.9rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 820;
  margin: 26px 0 24px;
}
.grad {
  background: linear-gradient(95deg, var(--accent-strong) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede { font-size: clamp(1.07rem, 1.6vw, 1.25rem); line-height: 1.6; color: var(--muted); max-width: 36em; margin: 0 0 34px; }
.fine { margin: 18px 0 0; font-size: 14px; color: var(--muted); }
.fine strong { color: var(--text-2); font-weight: 600; }

/* ---------------------------------------------------------------- Code windows */

.window {
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--code-line);
  border-radius: 13px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 38px;
  padding: 0 14px;
  border-bottom: 1px solid var(--code-line);
  background: rgba(255, 255, 255, 0.025);
  font: 12px var(--mono);
  color: var(--code-muted);
}
.titlebar .dots { display: flex; gap: 6px; }
.titlebar .dots i { width: 10px; height: 10px; border-radius: 50%; background: #343a46; }
.titlebar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.window pre { margin: 0; padding: 16px 20px 20px; font: 12.5px/1.8 var(--mono); overflow-x: auto; }
.panes { display: grid; grid-template-columns: max-content minmax(0, 1fr); }
.pane { min-width: 0; }
.pane + .pane { border-left: 1px solid var(--code-line); }
.pane-tab { font: 12px var(--mono); color: var(--code-muted); padding: 10px 20px 0; }

.c-muted { color: var(--code-muted); }
.c-green { color: var(--code-green); }
.c-red { color: var(--code-red); }
.c-str { color: var(--code-str); }
.c-key { color: var(--code-key); }
.c-ph { color: var(--code-ph); }
.c-yellow { color: #f5c451; }
.c-b { font-weight: 700; }
.notfound { max-width: 440px; margin: 8px auto 40px; text-align: left; }
.c-prompt { color: var(--code-green); user-select: none; }

/* ---------------------------------------------------------------- Strip */

.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg-soft) 55%, var(--bg)); }
.strip ul { list-style: none; margin: 0; padding: 20px 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 36px; font-size: 14.5px; color: var(--muted); }
.strip li { display: inline-flex; align-items: center; gap: 8px; }
.strip svg { width: 17px; height: 17px; color: var(--accent); }

/* ---------------------------------------------------------------- Sections */

.section { padding: 104px 0; }
.section + .section { padding-top: 24px; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.kicker { font: 600 12.5px var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin: 0; }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.7rem); line-height: 1.08; letter-spacing: -0.03em; font-weight: 780; margin: 12px 0 16px; }
.section-head p, .sub { color: var(--muted); font-size: 1.08rem; margin: 0; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card h3 { font-size: 18.5px; letter-spacing: -0.015em; margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: step; }
.steps .card { position: relative; }
.num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  margin-bottom: 20px;
  font: 700 14px var(--mono);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent-strong) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-strong) 24%, transparent);
}

.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.checks li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--text-2); }
.checks svg { width: 22px; height: 22px; color: var(--accent); margin-top: 1px; }
.checks.row { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 32px; }

.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  margin-bottom: 18px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent-strong) 10%, transparent);
}
.icon svg { width: 21px; height: 21px; }

.panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 64px 48px;
  text-align: center;
}
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(50% 80% at 50% 0%, var(--glow), transparent 70%),
    radial-gradient(30% 60% at 90% 100%, var(--glow-2), transparent 70%);
}
.panel h2 { margin-top: 0; }
.panel p { color: var(--muted); font-size: 1.08rem; max-width: 36em; margin: 0 auto 30px; }
.panel .actions { justify-content: center; }

.price-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.price-band h3 { font-size: 22px; letter-spacing: -0.02em; margin: 0 0 6px; }
.price-band p { margin: 0; }

/* ---------------------------------------------------------------- Pricing page */

.page-head { padding: 80px 0 40px; position: relative; isolation: isolate; overflow: hidden; }
.page-head::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto;
  height: 520px;
  z-index: -1;
  background: radial-gradient(40% 55% at 50% 30%, var(--glow), transparent 70%);
}
.page-head h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); letter-spacing: -0.035em; line-height: 1.05; font-weight: 800; margin-top: 12px; }
.page-head p { color: var(--muted); font-size: 1.15rem; margin: 16px 0 0; max-width: 36em; }
.center { text-align: center; }
.center p { margin-left: auto; margin-right: auto; }

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: 32px 28px; }
.plan-name { font-weight: 650; color: var(--muted); font-size: 15px; margin: 0; }
.plan .price { color: var(--text); font-size: 46px; font-weight: 820; letter-spacing: -0.04em; line-height: 1; margin: 16px 0 6px; }
.price small { font-size: 16px; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-left: 4px; }
.plan .credits { font-weight: 650; color: var(--text); margin: 0; }
.plan ul { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.plan li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; color: var(--muted); font-size: 15px; }
.plan li svg { width: 18px; height: 18px; color: var(--accent); margin-top: 3px; }
.plan.featured { border-color: color-mix(in srgb, var(--accent-strong) 55%, var(--line)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-strong) 35%, transparent), 0 24px 48px -24px color-mix(in srgb, var(--accent-strong) 55%, transparent); }
.badge {
  position: absolute;
  top: -12px;
  left: 28px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--btn);
  color: var(--btn-text);
}
.after-plans { text-align: center; color: var(--muted); font-size: 14.5px; margin: 28px 0 0; }
.section.tight { padding-top: 32px; }
.actions.centered { justify-content: center; margin-top: 28px; }

.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

.faq { max-width: 760px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 650; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 22px/1 var(--mono); color: var(--muted); transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 10px 0 0; }
.faq a { color: var(--accent); text-underline-offset: 3px; }

/* ---------------------------------------------------------------- Legal pages */

.prose { max-width: 720px; padding-bottom: 96px; }
.prose h2 { font-size: 1.35rem; letter-spacing: -0.015em; margin: 44px 0 10px; }
.prose p, .prose li { color: var(--text-2); }
.prose ul { padding-left: 1.25em; }
.prose li { margin: 6px 0; }
.prose a { color: var(--accent); text-underline-offset: 3px; }
.page-head .updated { color: var(--muted); font-size: 14px; margin: 14px 0 0; }
.summary { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 14px; padding: 22px 26px; margin: 8px 0 8px; }
.summary h2 { margin-top: 0; font-size: 1.05rem; }
.summary ul { margin: 0; }

/* ---------------------------------------------------------------- Footer */

.site-footer { border-top: 1px solid var(--line); padding: 44px 0 60px; color: var(--muted); font-size: 14.5px; }
.foot { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot p { margin: 8px 0 0; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: flex-start; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--text); }
.legal-line { margin-top: 28px; font-size: 13.5px; }

/* ---------------------------------------------------------------- Small screens */

@media (max-width: 1100px) {
  .panes { grid-template-columns: minmax(0, 1fr); }
  .pane + .pane { border-left: 0; border-top: 1px solid var(--code-line); }
}

@media (max-width: 960px) {
  .hero { padding: 64px 0 64px; }
  .checks.row { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .steps, .features, .plans { grid-template-columns: minmax(0, 1fr); }
  .plans { max-width: 460px; margin: 0 auto; gap: 28px; }
  .section { padding: 80px 0; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .site-header { position: static; }
  .bar { flex-direction: column; align-items: flex-start; height: auto; gap: 6px; padding-top: 14px; padding-bottom: 10px; }
  .site-nav { margin-left: -11px; flex-wrap: wrap; }
  .site-nav a { font-size: 14.5px; padding: 6px 10px; }
  .hero { padding: 44px 0 56px; }
  .window pre { font-size: 11.5px; padding: 12px 16px 16px; }
  .pane-tab { padding: 10px 16px 0; }
  .hero .ide { margin-top: 44px; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 24px; }
  .panel { padding: 44px 22px; border-radius: 18px; }
  .actions .btn { flex: 1 1 auto; }
  .page-head { padding: 52px 0 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .faq summary::after { transition: none; }
  .btn:hover { transform: none; }
}