/* Ghost St. — design system
   Warm paper / editorial serif / coral accent */

:root {
  --paper: #faf9f5;
  --oat: #f0eee6;
  --oat-deep: #e8e5d9;
  --card: #ffffff;
  --ink: #1f1e1b;
  --ink-soft: #4a4844;
  --muted: #75736d;
  --faint: #a3a099;
  --border: #e5e2d9;
  --border-strong: #d6d2c4;
  --accent: #355e3b;
  --accent-deep: #27472c;
  --accent-wash: #e6eee5;
  --good: #6a8f6b;
  --good-wash: #e9efe6;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SF Mono", "Fira Code", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent-wash); color: var(--accent-deep); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }
.wrap-narrow { max-width: 860px; margin: 0 auto; padding: 0 32px; }

/* ---------- Nav ---------- */

nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 249, 245, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  font-family: var(--serif); font-size: 22px; font-weight: 600;
  color: var(--ink); text-decoration: none; letter-spacing: -0.01em;
}
.logo .mark { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 450;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 550; }

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

.btn {
  display: inline-block; padding: 12px 26px; border-radius: 100px;
  font-size: 15px; font-weight: 550; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: all 0.16s ease; font-family: var(--sans);
}
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: #35332e; transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--oat); }
.btn-lg { padding: 15px 34px; font-size: 16px; }

/* ---------- Type ---------- */

.eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-deep); margin-bottom: 18px;
}
h1 {
  font-family: var(--serif); font-weight: 550; letter-spacing: -0.02em;
  font-size: clamp(42px, 6vw, 68px); line-height: 1.08; color: var(--ink);
}
h2 {
  font-family: var(--serif); font-weight: 550; letter-spacing: -0.015em;
  font-size: clamp(30px, 4vw, 42px); line-height: 1.15;
}
h3 { font-family: var(--serif); font-weight: 550; font-size: 22px; line-height: 1.3; }
.lede { font-size: 20px; line-height: 1.6; color: var(--ink-soft); max-width: 620px; }
.body-muted { color: var(--muted); }

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

section { padding: 96px 0; }
section.tight { padding: 64px 0; }
.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head p { margin-top: 16px; color: var(--muted); font-size: 17.5px; }
.alt { background: var(--oat); }

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

.hero { padding: 110px 0 90px; }
.hero .lede { margin: 26px 0 38px; }
.hero-cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero-note { margin-top: 22px; font-size: 13.5px; color: var(--faint); max-width: 520px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: 16px;
  overflow: hidden; margin-top: 72px;
}
.hero-stat { background: var(--card); padding: 26px 28px; }
.hero-stat .num { font-family: var(--serif); font-size: 30px; font-weight: 600; color: var(--ink); }
.hero-stat .num em { font-style: normal; color: var(--accent); }
.hero-stat .lbl { font-size: 13.5px; color: var(--muted); margin-top: 4px; }

/* ---------- Cards / grids ---------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px;
  padding: 34px 32px;
}
.card h3 { margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 15.5px; }
.card .step-num {
  font-family: var(--serif); font-size: 15px; font-weight: 600;
  color: var(--accent-deep); background: var(--accent-wash);
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
}
.card.feature { background: transparent; border: none; padding: 8px 0; }
.card.feature h3 { font-size: 19px; }

.icon-dot {
  width: 40px; height: 40px; border-radius: 12px; background: var(--accent-wash);
  color: var(--accent-deep); display: flex; align-items: center; justify-content: center;
  font-size: 19px; margin-bottom: 20px;
}

/* ---------- Comparison table ---------- */

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 18px; background: var(--card); }
table.compare { width: 100%; border-collapse: collapse; font-size: 15px; }
table.compare th, table.compare td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border); }
table.compare thead th {
  font-size: 13px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); background: var(--oat); white-space: nowrap;
}
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare td.us { background: #fdf6f2; font-weight: 550; }
table.compare thead th.us { background: var(--accent-wash); color: var(--accent-deep); }
table.compare td .no { color: var(--faint); }
table.compare td .yes { color: var(--good); font-weight: 600; }

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

.tier-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tier {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  padding: 32px 28px; display: flex; flex-direction: column; position: relative;
}
.tier.popular { border-color: var(--accent); box-shadow: 0 10px 40px -18px rgba(53, 94, 59, 0.35); }
.tier .flag {
  position: absolute; top: -13px; left: 28px; background: var(--accent); color: #fff;
  font-size: 12px; font-weight: 600; letter-spacing: 0.05em; padding: 4px 14px; border-radius: 100px;
}
.tier .tname { font-size: 14px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.tier .tsize { font-family: var(--serif); font-size: 34px; font-weight: 600; margin-top: 10px; }
.tier .tprice { margin: 6px 0 22px; color: var(--ink-soft); font-size: 15.5px; }
.tier .tprice strong { font-size: 24px; color: var(--ink); font-weight: 650; }
.tier ul { list-style: none; margin-bottom: 28px; flex: 1; }
.tier ul li {
  padding: 8px 0 8px 26px; font-size: 14.5px; color: var(--ink-soft);
  border-bottom: 1px dashed var(--border); position: relative;
}
.tier ul li:last-child { border-bottom: none; }
.tier ul li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
.tier .btn { text-align: center; }

.addon-row {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px 28px; margin-bottom: 14px;
}
.addon-row h3 { font-size: 19px; }
.addon-row p { color: var(--muted); font-size: 14.5px; margin-top: 4px; max-width: 560px; }
.addon-price { font-family: var(--serif); font-size: 22px; font-weight: 600; white-space: nowrap; }
.addon-price span { font-size: 14px; color: var(--muted); font-family: var(--sans); font-weight: 450; }

/* ---------- Rule meters demo ---------- */

.meter-panel {
  background: var(--ink); border-radius: 20px; padding: 36px;
  color: #efede6; font-family: var(--mono); font-size: 13.5px;
}
.meter-panel .mp-title { font-family: var(--sans); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: #8d8a80; margin-bottom: 26px; }
.meter { margin-bottom: 22px; }
.meter .m-label { display: flex; justify-content: space-between; margin-bottom: 8px; }
.meter .m-label .val { color: #efede6; }
.meter .m-label .lbl { color: #8d8a80; }
.meter .m-bar { height: 8px; background: #3a3833; border-radius: 100px; overflow: hidden; }
.meter .m-fill { height: 100%; border-radius: 100px; background: #c9973f; }
.meter .m-fill.ok { background: var(--good); }
.meter-panel .mp-note { color: #8d8a80; font-family: var(--sans); font-size: 13px; margin-top: 8px; }

/* ---------- Code block ---------- */

.code-panel {
  background: var(--ink); border-radius: 20px; padding: 30px 34px; overflow-x: auto;
}
.code-panel pre { font-family: var(--mono); font-size: 13.5px; line-height: 1.7; color: #e8e6de; }
.code-panel .c-comment { color: #8d8a80; }
.code-panel .c-key { color: #e6a08a; }
.code-panel .c-str { color: #a8c090; }
.code-panel .c-fn { color: #d4b483; }

/* ---------- FAQ / prose ---------- */

.faq-item { border-bottom: 1px solid var(--border); padding: 26px 0; }
.faq-item h3 { font-size: 19px; margin-bottom: 10px; }
.faq-item p { color: var(--muted); font-size: 15.5px; max-width: 720px; }

.prose h2 { margin: 56px 0 20px; }
.prose h3 { margin: 36px 0 12px; }
.prose p { margin-bottom: 18px; color: var(--ink-soft); }
.prose ul { margin: 0 0 18px 22px; color: var(--ink-soft); }
.prose ul li { margin-bottom: 8px; }

/* ---------- Callouts ---------- */

.callout {
  border-left: 3px solid var(--accent); background: var(--accent-wash);
  border-radius: 0 14px 14px 0; padding: 22px 26px; margin: 28px 0;
}
.callout p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.callout.green { border-color: var(--good); background: var(--good-wash); }

/* ---------- Big CTA ---------- */

.cta-block {
  background: var(--ink); border-radius: 28px; padding: 80px 64px; text-align: center;
}
.cta-block h2 { color: var(--paper); }
.cta-block p { color: #a3a099; margin: 18px auto 34px; max-width: 520px; }

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

footer { border-top: 1px solid var(--border); padding: 64px 0 48px; background: var(--oat); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.foot-grid h4 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.foot-grid a { display: block; color: var(--ink-soft); text-decoration: none; font-size: 14.5px; margin-bottom: 10px; }
.foot-grid a:hover { color: var(--ink); }
.disclosure {
  font-size: 12.5px; line-height: 1.7; color: var(--faint);
  border-top: 1px solid var(--border-strong); padding-top: 28px;
}
.disclosure strong { color: var(--muted); }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid-3, .tier-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { gap: 18px; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 560px) {
  .grid-3, .tier-grid, .hero-stats { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .cta-block { padding: 56px 28px; }
  .addon-row { flex-direction: column; align-items: flex-start; }
}

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

.legal-head { padding: 72px 0 36px; background: var(--oat); border-bottom: 1px solid var(--border); }
.legal-head h1 { font-family: var(--serif); font-size: 42px; font-weight: 600; letter-spacing: -0.015em; }
.legal-head .updated { color: var(--muted); font-size: 14px; margin-top: 10px; }
.legal-body { padding: 48px 0 80px; }
.legal-body h2 { font-family: var(--serif); font-size: 24px; font-weight: 600; margin: 36px 0 12px; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body p, .legal-body li { font-size: 15.5px; color: var(--ink-soft); line-height: 1.75; margin-bottom: 12px; }
.legal-body ul { padding-left: 22px; margin-bottom: 16px; }
.legal-body strong { color: var(--ink); }
.legal-callout {
  background: var(--accent-wash); border-left: 3px solid var(--accent); border-radius: 8px;
  padding: 16px 20px; margin: 20px 0; font-size: 14.5px; color: var(--accent-deep);
}

/* ---------- Waitlist ---------- */

.waitlist-block { margin-top: 26px; }
.waitlist-label { font-size: 13.5px; font-weight: 600; color: var(--accent-deep); margin-bottom: 10px; }
form.waitlist { display: flex; gap: 10px; max-width: 440px; }
form.waitlist input {
  flex: 1; min-width: 0; padding: 12px 16px;
  border: 1px solid var(--border-strong); border-radius: 10px;
  font-family: var(--sans); font-size: 15px; color: var(--ink); background: var(--card);
}
form.waitlist input:focus { outline: none; border-color: var(--accent); }
form.waitlist button { white-space: nowrap; }
form.waitlist.compact { margin-top: 14px; }
form.waitlist.compact input { padding: 9px 12px; font-size: 14px; }
.waitlist-msg { min-height: 20px; font-size: 13.5px; margin-top: 8px; }
.waitlist-msg.ok { color: var(--accent); font-weight: 600; }
.waitlist-msg.err { color: #a4472f; }

/* ---------- Live ticker strip ---------- */

.ticker-strip {
  display: flex; align-items: center; gap: 34px;
  max-width: 1120px; margin: 0 auto; padding: 14px 32px;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  font-family: var(--mono); font-size: 14px; overflow-x: auto;
}
.tk-item { display: flex; gap: 10px; align-items: baseline; white-space: nowrap; }
.tk-sym { font-weight: 700; color: var(--muted); font-size: 12px; letter-spacing: 0.06em; }
.tk-price { color: var(--ink); font-weight: 600; transition: color 0.2s; }
.tk-item.up .tk-price { animation: tk-up 1.2s ease; }
.tk-item.down .tk-price { animation: tk-down 1.2s ease; }
@keyframes tk-up { 0% { color: var(--good); } 100% { color: var(--ink); } }
@keyframes tk-down { 0% { color: #a4472f; } 100% { color: var(--ink); } }
.tk-note { margin-left: auto; font-family: var(--sans); font-size: 12px; color: var(--faint); white-space: nowrap; }

@media (max-width: 720px) {
  .tk-note { display: none; }
  form.waitlist { flex-direction: column; }
}