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

:root {
  --page-bg: #F2EDE4;
  --card-bg: #FFFFFF;
  --border-default: #C9BBA8;
  /* #7D90A0 previously failed WCAG AA (2.83-3.30:1) against card-bg/page-bg — see STORY-056 */
  --text-muted: #4E6070;
  --interactive: #5A6E80;
  --cta: #1C2E45;
  --text-primary: #1C2E45;

  --success-light: #E3F0E8;
  --success-text: #1A5C32;
  --warning-light: #FDF3E3;
  --warning-text: #92500A;
  --error-light: #FEE8E8;
  --error-text: #991B1B;

  --radius-card: 11px;
  --radius-button: 7px;
  --radius-badge: 4px;
  --border-width: 0.5px;

  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html[data-theme="dark"] {
  --page-bg: #111820;
  --card-bg: #1C2E45;
  --border-default: #2A3F58;
  --text-muted: #9BADBD;
  --interactive: #7D90A0;
  --cta: #F2EDE4;
  --text-primary: #F2EDE4;
  --text-secondary: #C9BBA8;

  /* Semantic colors were previously omitted here, silently keeping their
     light-mode values (tuned for cream backgrounds) — ~1.4-1.6:1 contrast
     against dark card/page backgrounds, badly failing WCAG AA (4.5:1).
     Reuses colors already established elsewhere in this file (terminal
     dots, .ok text) for palette consistency. All 4 values verified
     ≥4.5:1 against both --card-bg and --page-bg. */
  --success-text: #7DD996;
  --warning-text: #E8B84B;
  --error-text: #FF7A6E;
}

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

body {
  font-family: var(--font-body);
  background: var(--page-bg);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.logo-dark { display: none; }
.logo-small.logo-dark { display: none; }
html[data-theme="dark"] .logo-light { display: none; }
html[data-theme="dark"] .logo-dark { display: inline-block; }

/* ---------- Topbar ---------- */
.topbar {
  border-bottom: var(--border-width) solid var(--border-default);
}

.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
}

.brand-mark { height: 26px; }

.brand-mark-dark { display: none; }

html[data-theme="dark"] .brand-mark-light { display: none; }
html[data-theme="dark"] .brand-mark-dark { display: inline-block; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-tagline {
  margin-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.brand-tag { color: var(--interactive); font-weight: 500; }

.logo { height: 28px; }

.topbar nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.topbar nav a { text-decoration: none; color: var(--text-primary); }
.topbar nav a:hover { color: var(--interactive); }

.nav-stamp {
  background: var(--cta);
  color: var(--page-bg) !important;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-button);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-button);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.theme-toggle:hover { border-color: var(--interactive); }

.theme-toggle svg { width: 16px; height: 16px; }

.icon-moon { display: none; }
html[data-theme="dark"] .icon-sun { display: none; }
html[data-theme="dark"] .icon-moon { display: block; }

main { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- Hero ---------- */
.hero { padding: 4.5rem 0 3.5rem; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--interactive);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success-text);
  display: inline-block;
}

h1 {
  font-size: 2.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin-bottom: 1.5rem;
}

.hero-strike {
  text-decoration: line-through;
  text-decoration-color: var(--error-text);
  text-decoration-thickness: 2px;
  opacity: 0.55;
}

h1 em { font-style: normal; color: var(--interactive); }

.subhead {
  font-size: 1.05rem;
  color: var(--text-primary);
  opacity: 0.8;
  max-width: 460px;
}

.subhead strong { font-weight: 700; }
.pron { font-size: 0.9em; opacity: 0.7; }

/* ---------- Terminal card ---------- */
.hero-terminal { position: relative; }

.terminal-tag {
  position: absolute;
  top: -0.6rem;
  right: 1.25rem;
  background: var(--success-light);
  color: var(--success-text);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-badge);
  z-index: 2;
}

.terminal {
  background: #1C2E45;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.terminal-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  border-bottom: var(--border-width) solid rgba(242, 237, 228, 0.15);
}

.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-r { background: #E5605A; }
.dot-y { background: #E8B84B; }
.dot-g { background: #5CB86B; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(242, 237, 228, 0.5);
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1.25rem 1.4rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #F2EDE4;
}

.terminal-body p { margin-bottom: 0.6rem; }
.terminal-body p:last-child { margin-bottom: 0; }

.prompt { color: var(--interactive); margin-right: 0.4rem; }
.dim { opacity: 0.4; font-size: 0.8rem; }
.ok { color: #7DD996; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--cta);
  color: var(--page-bg);
  text-decoration: none;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-button);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 1.25rem;
  transition: opacity 0.15s ease;
}

.btn-primary:hover { opacity: 0.85; }
.arrow { transition: transform 0.15s ease; }
.btn-primary:hover .arrow { transform: translateX(3px); }

.cta-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.7rem;
}

/* ---------- Sections ---------- */
section:not(.hero) { padding: 3.5rem 0; border-top: var(--border-width) solid var(--border-default); }

.section-head { max-width: 560px; margin-bottom: 2rem; }

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--interactive);
}

.section-head h2 {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.h2-icon {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
  color: var(--interactive);
}

.section-lede { color: var(--text-primary); opacity: 0.7; font-size: 0.98rem; }

/* ---------- Problem: promise grid ---------- */
.promise-grid {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 2rem;
}

.promise-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0.9rem 1.4rem;
  border-bottom: var(--border-width) solid var(--border-default);
  font-size: 0.95rem;
}

.promise-row:last-child { border-bottom: none; }

.promise-header {
  background: var(--page-bg);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.bad { color: var(--error-text); }

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metric {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 1.1rem 1rem;
  text-align: center;
}

.metric-before {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.metric-arrow { color: var(--border-default); margin: 0 0.3rem; }

.metric-after {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--success-text);
}

.metric-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.metric-solo { display: block; }

.metric-cite {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.metric-cite a { color: var(--interactive); }

/* ---------- Fit: personas + use cases ---------- */
.persona-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.persona-card {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 1.1rem 1.25rem;
}

.persona-role {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--interactive);
  margin-bottom: 0.5rem;
}

.persona-card p { font-size: 0.9rem; opacity: 0.85; }

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.usecase-card {
  display: block;
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 1.1rem 1.25rem;
  text-decoration: none;
  transition: border-color 0.15s ease;
}

.usecase-card:hover { border-color: var(--interactive); }

.usecase-icon {
  display: block;
  width: 1.3rem;
  height: 1.3rem;
  color: var(--interactive);
  margin-bottom: 0.6rem;
}

.usecase-name {
  display: block;
  font-weight: 700;
  font-size: 0.98rem;
  margin-bottom: 0.35rem;
}

.usecase-pain { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- Trust ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.trust-card {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 1.1rem 1.25rem;
}

.trust-point {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.trust-card p { font-size: 0.88rem; color: var(--text-muted); }
.trust-card code { font-family: var(--font-mono); font-size: 0.85em; }

/* ---------- Pricing ---------- */
.tier-table {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.tier-row {
  display: grid;
  grid-template-columns: 1fr 90px 90px;
  align-items: center;
  padding: 0.85rem 1.4rem;
  border-bottom: var(--border-width) solid var(--border-default);
  font-size: 0.95rem;
}

.tier-row:last-child { border-bottom: none; }

.tier-head {
  background: var(--page-bg);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.tier-row .yes, .tier-row .no { text-align: center; font-family: var(--font-mono); }
.yes { color: var(--success-text); font-weight: 600; }
.no { color: var(--border-default); }

/* ---------- Checkout ---------- */
.checkout-block { margin-top: 3rem; }

.checkout-heading {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.region-toggle {
  display: inline-flex;
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-button);
  padding: 0.2rem;
  margin-bottom: 1.25rem;
}

.region-toggle-btn {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: calc(var(--radius-button) - 0.2rem);
  padding: 0.45rem 1.1rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.region-toggle-btn.active {
  background: var(--cta);
  color: var(--page-bg);
}

.checkout-grid[hidden] { display: none; }

.checkout-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.checkout-card {
  position: relative;
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.1rem;
  text-align: center;
}

.checkout-card-best { border-color: var(--cta); border-width: 1.5px; }

.checkout-badge {
  position: absolute;
  top: -0.6rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cta);
  color: var(--page-bg);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-badge);
  white-space: nowrap;
}

.checkout-tier {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.checkout-price {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.checkout-period {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
}

.checkout-savings {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--success-text);
  margin-bottom: 0.7rem;
}

.checkout-buy {
  display: inline-block;
  width: 100%;
  background: var(--cta);
  color: var(--page-bg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.55rem 0;
  border-radius: var(--radius-button);
  transition: opacity 0.15s ease;
}

.checkout-buy:hover { opacity: 0.85; }

.checkout-note {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 700px) {
  .checkout-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .checkout-grid { grid-template-columns: 1fr; }
}

/* ---------- Clients ---------- */
.client-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.client-tag {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-default);
  border-radius: var(--radius-button);
  padding: 0.6rem 1.1rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.client-note { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- Footer ---------- */
footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 3rem 24px;
  text-align: center;
  border-top: var(--border-width) solid var(--border-default);
}

footer .logo-small { height: 22px; margin-bottom: 1rem; }

.badge-row {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.badge-row img { height: 20px; }

footer nav a {
  margin: 0 0.75rem;
  text-decoration: none;
  font-size: 0.88rem;
  color: var(--interactive);
}

footer p {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .metric-strip { grid-template-columns: repeat(2, 1fr); }
  .persona-row, .usecase-grid, .trust-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  h1 { font-size: 2.1rem; }
  .topbar-inner { padding: 1rem 16px; }
  .topbar nav { gap: 1rem; font-size: 0.82rem; }
  main { padding: 0 16px; }
  .promise-row, .tier-row { padding: 0.75rem 1rem; font-size: 0.85rem; }
  .tier-row { grid-template-columns: 1fr 60px 60px; }
  .client-row { flex-wrap: wrap; }
  .persona-row, .usecase-grid, .trust-grid { grid-template-columns: 1fr; }
  .badge-row { flex-wrap: wrap; }
  section:not(.hero) { padding: 2.5rem 0; }
}