/*
 * The whole page's styling. Hand-written, no framework, no build step: one
 * <link> the CDN caches forever. Design constraints from
 * docs/marketing-page.md: readable with JS off, contrast >= 4.5:1, and the
 * page + assets under 100 KB total.
 */

:root {
  --ink: #16181d;
  --ink-soft: #4a5060;
  --paper: #fbfaf8;
  --panel: #ffffff;
  --line: #e3e0da;
  --accent: #1f6f5c;
  --accent-ink: #ffffff;
  --accent-soft: #eaf3f0;
  --pill: #7a4b12;
  --pill-bg: #fdf0dc;
  --radius: 12px;
  --measure: 34rem;
  --page: 62rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ecebe8;
    --ink-soft: #a7adba;
    --paper: #14161a;
    --panel: #1b1e24;
    --line: #2c313a;
    --accent: #4bbf9e;
    --accent-ink: #10221d;
    --accent-soft: #172b26;
    --pill: #f0c07a;
    --pill-bg: #33270f;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
}

h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
}

h3 {
  font-size: 1.06rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--accent);
  text-underline-offset: 2px;
}

a:hover {
  text-decoration: none;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */

.hero,
.section,
.footer {
  max-width: var(--page);
  margin-inline: auto;
  padding-inline: clamp(1.15rem, 5vw, 2rem);
}

.section {
  padding-block: clamp(2.75rem, 7vw, 4.25rem);
  border-top: 1px solid var(--line);
}

.section-note,
.lede {
  color: var(--ink-soft);
  max-width: var(--measure);
}

.lede {
  font-size: 1.16rem;
}

/* ── Hero ───────────────────────────────────────────────────────────────── */

.nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem 3.5rem;
}

.wordmark {
  font-weight: 650;
  letter-spacing: -0.02em;
}

.nav-link {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-link:hover {
  color: var(--accent);
}

.hero {
  padding-bottom: clamp(2.5rem, 6vw, 3.5rem);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block: 1.75rem 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cta-note {
  color: var(--ink-soft);
  font-size: 0.93rem;
}

/* ── Problem ────────────────────────────────────────────────────────────── */

.problem-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--measure);
}

.problem-list li {
  padding-left: 1.15rem;
  margin-bottom: 0.85rem;
  position: relative;
  color: var(--ink-soft);
}

.problem-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.problem-list li:last-child {
  color: var(--ink);
  font-weight: 600;
}

/* ── Steps ──────────────────────────────────────────────────────────────── */

.steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.step-n {
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.steps-list p {
  color: var(--ink-soft);
  margin: 0;
}

/* ── Features ───────────────────────────────────────────────────────────── */

.feature-list {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.4rem 2.25rem;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}

.feature-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.feature p {
  color: var(--ink-soft);
  margin: 0;
}

/* The honesty mechanism (docs/marketing-page.md §2d): rendered for every
   claim whose state is not `built`. Never hand-written — see content.ts. */
.pill {
  background: var(--pill-bg);
  color: var(--pill);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Proof ──────────────────────────────────────────────────────────────── */

.proof-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: var(--measure);
}

.proof-card p:last-child {
  margin: 0;
}

.proof-cta {
  margin-top: 1.25rem;
}

/* ── Pricing ────────────────────────────────────────────────────────────── */

.tiers {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin-block: 1.75rem 1.25rem;
}

.tier {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
}

.tier-featured {
  border-color: var(--accent);
}

.tier h3 {
  margin-bottom: 0.15rem;
}

.tier-for {
  color: var(--ink-soft);
  font-size: 0.93rem;
  margin-bottom: 1rem;
}

.tier-price {
  font-size: 2rem;
  font-weight: 680;
  letter-spacing: -0.02em;
}

.tier-price .per {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--ink-soft);
}

.tier-credits {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.tier ul {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  font-size: 0.95rem;
}

.tier li {
  padding-left: 1.3rem;
  position: relative;
  margin-bottom: 0.4rem;
  color: var(--ink-soft);
}

.tier li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.tier .btn {
  margin-top: auto;
  text-align: center;
}

.pricing-note {
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: var(--measure);
}

.pricing-onboarding {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  max-width: var(--measure);
}

/* ── Credits ────────────────────────────────────────────────────────────── */

.credits-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin-top: 1.75rem;
}

.credit-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem;
}

.credit-card p {
  color: var(--ink-soft);
  margin: 0;
}

.credit-card-lead {
  border-color: var(--accent);
  background: var(--accent-soft);
  grid-column: 1 / -1;
}

.credit-card-lead p {
  color: var(--ink);
}

/* ── FAQ ────────────────────────────────────────────────────────────────── */

.faq-list {
  margin-top: 1.75rem;
  max-width: var(--measure);
}

.faq-item {
  border-top: 1px solid var(--line);
  padding-block: 1.15rem;
}

.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-item h3 {
  margin-bottom: 0.35rem;
}

.faq-item p {
  color: var(--ink-soft);
  margin: 0;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */

.footer {
  padding-block: 2.5rem 3.5rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.sep {
  padding-inline: 0.5rem;
}

.footer-fine {
  margin: 0;
}

/* ── Motion / focus ─────────────────────────────────────────────────────── */

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}