/*
 * clearbox landing page — static, self-contained.
 * Tokens transcribed from web/src/tokens.css (ledger palette only;
 * the marketing page follows the OS color scheme, no manual toggle).
 * Color roles per design round 2: chrome = ink, accent = identity
 * only, gain/loss reserved for data (unused here outside screenshots).
 */

@font-face {
  font-family: "Instrument Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/instrument-sans-latin-700-normal.woff2") format("woff2");
}

:root {
  --font-ui: system-ui, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-display: "Instrument Sans", var(--font-ui);
  --font-data: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, monospace;
  --radius: 6px;
  --radius-lg: 10px;

  --bg: #EFECE3; --panel: #FFFDF8; --panel2: #E6E2D5;
  --border: #DDD6C2; --ink: #14160F; --muted: #6E7263;
  --chrome: #14160F; --chrome-ink: #FFFDF8;
  --accent: #30684B; --accent-ink: #F2F7F0; --accent-soft: #E3EBE4;
  --shadow: 0 1px 2px rgba(34, 39, 31, .06), 0 8px 28px rgba(34, 39, 31, .07);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14160F; --panel: #21241C; --panel2: #2A2D23;
    --border: #333729; --ink: #EDEAE1; --muted: #9A9E8C;
    --chrome: #EDEAE1; --chrome-ink: #14160F;
    --accent: #6EAE8A; --accent-ink: #12211A; --accent-soft: #293A2F;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 28px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

/* ——— base ——— */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.shell { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.shell-narrow { max-width: 720px; }

.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;
}

/* ——— type ——— */

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 3.6rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
h3 { font-size: 1.2rem; margin-bottom: 6px; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  color: var(--accent);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* ——— lockup ——— */

.lockup {
  display: inline-flex;
  align-items: center;
  gap: 7px;             /* 28% of 24px mark, per the asset sheet */
  color: var(--ink);
}
.lockup:hover { text-decoration: none; }

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 31px;      /* header lockup ratio: mark 24 / font 31 */
  letter-spacing: -0.035em;
  line-height: 1;
  text-transform: lowercase;
}

.lockup-sm { gap: 6px; }
.wordmark-sm { font-size: 26px; }

.mark .track { fill: var(--ink); opacity: .17; }
.mark .track-sm { opacity: .26; }   /* sheet rule: tracks step up below 24px */
.mark .fill { fill: var(--ink); opacity: .88; }
.mark .fill.accent { fill: var(--accent); opacity: 1; }

/* the ladder draws itself on load — the one memorable flourish */
@media (prefers-reduced-motion: no-preference) {
  .mark-animated .fill {
    transform: scaleX(0);
    transform-origin: 1px 50%;
    animation: bar-in .5s cubic-bezier(.2, .7, .2, 1) forwards;
  }
  .mark-animated g:nth-child(2) .fill { animation-delay: .06s; }
  .mark-animated g:nth-child(3) .fill { animation-delay: .12s; }
  .mark-animated g:nth-child(4) .fill { animation-delay: .18s; }
  .mark-animated g:nth-child(5) .fill { animation-delay: .24s; }
  .mark-animated g:nth-child(6) .fill { animation-delay: .30s; }
  @keyframes bar-in { to { transform: scaleX(1); } }
}

/* ——— header ——— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-row {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.site-nav {
  display: flex;
  gap: 22px;
  margin-left: 12px;
}
.site-nav a { color: var(--muted); font-size: .95rem; }
.site-nav a:hover { color: var(--ink); text-decoration: none; }

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.signin { color: var(--ink); font-size: .95rem; }

/* ——— buttons ——— */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 9px 18px;
  font: 600 .95rem/1.2 var(--font-ui);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-chrome {
  background: var(--chrome);
  color: var(--chrome-ink);
  box-shadow: var(--shadow);
}
.btn-chrome:hover { box-shadow: var(--shadow), 0 2px 10px rgba(0,0,0,.08); }

.btn-quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-quiet:hover { background: var(--panel); }

.btn-lg { padding: 13px 24px; font-size: 1.02rem; }

/* ——— hero ——— */

.hero { padding: 72px 0 40px; overflow: hidden; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 48px;
  align-items: center;
}

.hero-sub {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34em;
  margin-top: 18px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.cta-note {
  color: var(--muted);
  font-size: .85rem;
  margin-top: 14px;
}

.browser-frame {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  background: var(--panel2);
  border-bottom: 1px solid var(--border);
}
.browser-bar .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--border);
}
.browser-bar .url {
  margin-left: 10px;
  font: 500 .72rem/1 var(--font-data);
  color: var(--muted);
  background: var(--bg);
  border-radius: 99px;
  padding: 4px 10px;
}

.demo-caption {
  color: var(--muted);
  font-size: .78rem;
  text-align: right;
  margin-top: 8px;
}

figure { margin: 0; }

/* ——— sections ——— */

.section { padding: 88px 0; }

.section-tinted {
  background:
    linear-gradient(color-mix(in srgb, var(--panel2) 40%, var(--bg)),
                    color-mix(in srgb, var(--panel2) 40%, var(--bg)));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ——— how it works: ruled ledger rows, not cards ——— */

.steps {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--border);
}
.step:last-child { border-bottom: 1px solid var(--border); }

.step-no {
  font: 700 1.6rem/1 var(--font-data);
  color: var(--accent);
  padding-top: 2px;
}

.step p { color: var(--muted); max-width: 44em; }

.closing-line {
  margin-top: 28px;
  font-size: 1.05rem;
  max-width: 40em;
}

/* ——— product highlights ——— */

.highlight {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 44px;
  align-items: center;
  padding: 44px 0;
}
.highlight + .highlight { border-top: 1px solid var(--border); }
.highlight-flip .highlight-copy { order: 2; }
.highlight-flip .highlight-shot { order: 1; }

.highlight-copy p { color: var(--muted); }

.highlight-shot img {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* ——— pricing ——— */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
  align-items: stretch;
}

.plan {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.plan-featured {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: var(--shadow);
}

.plan-name { font-size: 1.05rem; margin-bottom: 10px; }

.plan-price { margin: 0 0 6px; }
.plan-price .price {
  font: 700 2rem/1 var(--font-data);
  letter-spacing: -0.02em;
}
.plan-price .per { color: var(--muted); font-size: .95rem; }
.plan-price .annual {
  display: block;
  color: var(--muted);
  font-size: .85rem;
  margin-top: 6px;
}

.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  padding: 2px 9px;
  margin-left: 6px;
}

.plan-tagline { color: var(--muted); font-style: italic; margin-bottom: 14px; }

.plan-features {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  flex: 1;
}
.plan-features li {
  padding: 8px 0 8px 26px;
  position: relative;
  border-top: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  font-size: .95rem;
}
.plan-features li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 12px;
  height: 4px;
  border-radius: 2px;
  background: var(--accent);
  opacity: .85;
}

.plan-cta { width: 100%; }

.plan-note {
  color: var(--muted);
  font-size: .8rem;
  text-align: center;
  margin-top: 10px;
}

.autopilot-teaser {
  color: var(--muted);
  font-size: .95rem;
  margin-top: 28px;
  max-width: 46em;
}
.autopilot-teaser strong { color: var(--ink); }

.pricing-footnote {
  color: var(--muted);
  font-size: .85rem;
  margin-top: 14px;
  max-width: 46em;
}

/* ——— email band ——— */

.email-band {
  background: var(--accent-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.email-shell { max-width: 620px; text-align: center; }
.email-shell p { color: var(--muted); }

.email-form {
  display: flex;
  gap: 10px;
  margin: 24px auto 0;
  max-width: 460px;
}
.email-form input {
  flex: 1;
  min-width: 0;
  font: 1rem var(--font-ui);
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
}
.email-form input::placeholder { color: var(--muted); }

.email-confirm { font-weight: 600; margin-top: 24px; }
.email-error { margin-top: 16px; }

.privacy-note {
  font-size: .8rem;
  margin-top: 16px;
}

/* ——— faq ——— */

.faq-item {
  border-top: 1px solid var(--border);
  padding: 4px 0;
}
.faq-item:last-of-type { border-bottom: 1px solid var(--border); }

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 16px 28px 16px 0;
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font: 400 1.3rem/1 var(--font-data);
  transition: transform .15s ease;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq-item p {
  color: var(--muted);
  padding: 0 0 18px;
  max-width: 42em;
}

/* ——— founder ——— */

.founder { padding-top: 40px; }

.founder-note {
  border-left: 3px solid var(--accent);
  padding-left: 24px;
}
.founder-note p { max-width: 38em; }
.founder-sig { color: var(--muted); }

/* ——— footer ——— */

.site-footer {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel2) 40%, var(--bg));
  padding: 56px 0 40px;
  margin-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}

.footer-col h4 {
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
.footer-col a {
  display: block;
  color: var(--ink);
  font-size: .92rem;
  padding: 4px 0;
}

.footer-legal {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 24px;
}
.footer-legal p {
  color: var(--muted);
  font-size: .8rem;
  max-width: 62em;
}
.copyright { margin-top: 16px; }

/* ——— reveal motion ——— */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .55s ease, transform .55s cubic-bezier(.2, .7, .2, 1);
  }
  .reveal.is-visible { opacity: 1; transform: none; }
}

/* ——— responsive ——— */

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .highlight,
  .highlight-flip { grid-template-columns: 1fr; gap: 20px; }
  .highlight-flip .highlight-copy { order: 1; }
  .highlight-flip .highlight-shot { order: 2; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .hero { padding-top: 48px; }
  .section { padding: 64px 0; }
  .step { grid-template-columns: 40px 1fr; gap: 12px; }
  .email-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}