/* Author's Workshop — Marketing Site */

@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Paper theme (default) */
  --bg: #f5f1ea;
  --bg-2: #ebe5d9;
  --bg-3: #ddd4c2;
  --ink: #1a1714;
  --ink-2: #3a342d;
  --ink-3: #6b6357;
  --ink-4: #9a9285;
  --rule: #c9bfaa;
  --rule-2: #d8cfba;
  --accent: oklch(0.55 0.13 55);
  --accent-soft: oklch(0.92 0.04 70);
  --shadow: 0 1px 2px rgba(26, 23, 20, 0.04), 0 8px 24px rgba(26, 23, 20, 0.06);
  --shadow-lg: 0 2px 4px rgba(26, 23, 20, 0.05), 0 24px 64px rgba(26, 23, 20, 0.10);
}

[data-theme="ink"] {
  --bg: #14110e;
  --bg-2: #1c1814;
  --bg-3: #25201a;
  --ink: #f0ebe0;
  --ink-2: #d4ccbc;
  --ink-3: #948b7a;
  --ink-4: #5e574a;
  --rule: #2e2820;
  --rule-2: #3a3329;
  --accent: oklch(0.72 0.14 60);
  --accent-soft: oklch(0.30 0.06 60);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.4), 0 24px 64px rgba(0, 0, 0, 0.6);
}

/* Forge theme = the actual app's design system */
[data-theme="forge"] {
  --bg: #0f0f0f;
  --bg-2: #1a1a1a;
  --bg-3: #242424;
  --ink: #e8e8e8;
  --ink-2: #b0b0b0;
  --ink-3: #707070;
  --ink-4: #555555;
  --rule: #3a3a3a;
  --rule-2: #2e2e2e;
  --accent: #5b8dd9;
  --accent-soft: #2a3a52;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.5), 0 24px 64px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.4s ease, color 0.4s ease;
}

body {
  overflow-x: hidden;
}

.serif {
  font-family: 'Spectral', Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.mono {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-feature-settings: "ss01", "ss02";
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.container-narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Spectral', serif;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.nav-mark {
  width: 22px;
  height: 22px;
  position: relative;
}

.nav-links {
  display: flex;
  gap: 36px;
  font-size: 14px;
  color: var(--ink-2);
}

.nav-links a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--ink); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--ink-2);
  border-color: var(--ink-2);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn-ghost:hover {
  background: var(--bg-2);
  border-color: var(--ink-3);
}

/* ============ HERO ============ */
.hero {
  padding: 80px 0 40px;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 28px;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 100px;
  background: var(--bg-2);
}

.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 25%, transparent);
}

.hero h1 {
  font-family: 'Spectral', serif;
  font-weight: 400;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
  color: var(--ink);
  max-width: 12ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0 0 40px;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  margin-left: 8px;
}

/* App preview frame */
.hero-stage {
  margin-top: 72px;
  position: relative;
}

.app-frame {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--bg-2);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}

.app-frame-bar {
  height: 36px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 8px;
  background: var(--bg-2);
}

.tl-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--rule);
}

/* ============ SECTIONS ============ */
.section {
  padding: 120px 0;
  border-top: 1px solid var(--rule);
}

.section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 20px;
}

.section-eyebrow-num {
  color: var(--accent);
  margin-right: 12px;
}

.section h2 {
  font-family: 'Spectral', serif;
  font-weight: 400;
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--ink);
  max-width: 22ch;
  text-wrap: balance;
}

.section h2 em {
  font-style: italic;
  color: var(--accent);
}

.section-lede {
  font-size: 18px;
  color: var(--ink-2);
  max-width: 60ch;
  margin: 0 0 64px;
  font-weight: 300;
  line-height: 1.6;
}

/* Footer */
.footer {
  border-top: 1px solid var(--rule);
  padding: 64px 0 48px;
  background: var(--bg-2);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-col h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 16px;
  font-weight: 500;
}

.footer-col a {
  display: block;
  color: var(--ink-2);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 8px;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--ink); }

.footer-mark {
  font-family: 'Spectral', serif;
  font-size: 22px;
  margin-bottom: 12px;
  display: block;
}

.footer-tagline {
  font-family: 'Spectral', serif;
  font-style: italic;
  color: var(--ink-3);
  font-size: 14px;
  max-width: 32ch;
  margin: 0 0 24px;
}

.footer-bottom {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}

/* ============ FEATURE GRID ============ */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}

.feature {
  background: var(--bg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 320px;
  position: relative;
}

.feature--wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: stretch;
  min-height: 360px;
  gap: 40px;
}

.feature--wide > .feature-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 440px;
}

.feature--wide > .feature-art {
  flex: 1;
  margin-top: 0;
  margin-left: auto;
  height: auto;
  min-height: 360px;
}

.feature-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
}

.feature h3 {
  font-family: 'Spectral', serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.015em;
}

.feature p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
  max-width: 42ch;
}

.feature-art {
  margin-top: auto;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--bg-2);
  height: 140px;
  overflow: hidden;
  position: relative;
}

/* ============ BYO API ============ */
.byo-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
}

.byo-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.byo-list li {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.byo-list li:last-child { border-bottom: none; }

.byo-list .icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-2);
  color: var(--ink);
}

.byo-list h4 {
  margin: 0 0 4px;
  font-family: 'Spectral', serif;
  font-weight: 500;
  font-size: 18px;
}

.byo-list p {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.55;
}

/* ============ WORKFLOW ============ */
.workflow {
  position: relative;
}

.workflow-steps {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--bg-2);
  overflow: hidden;
  min-height: 600px;
}

.workflow-rail {
  border-right: 1px solid var(--rule);
  padding: 24px 0;
  background: var(--bg-2);
}

.workflow-step {
  padding: 18px 24px;
  cursor: pointer;
  border-left: 2px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.15s;
}

.workflow-step:hover {
  background: var(--bg-3);
}

.workflow-step.active {
  border-left-color: var(--accent);
  background: var(--bg);
}

.workflow-step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: 0.1em;
}

.workflow-step-title {
  font-family: 'Spectral', serif;
  font-weight: 500;
  font-size: 16px;
  color: var(--ink);
}

.workflow-step.active .workflow-step-title {
  color: var(--accent);
}

.workflow-step-desc {
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.4;
  margin-top: 4px;
}

.workflow-stage {
  background: var(--bg);
  position: relative;
  padding: 0;
  overflow: hidden;
}

/* ============ CTA ============ */
.cta-section {
  padding: 140px 0;
  text-align: center;
  border-top: 1px solid var(--rule);
}

.cta-section h2 {
  margin: 0 auto 24px;
  text-align: center;
  max-width: 18ch;
}

.cta-section .section-lede {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-bottom: 40px;
}

.cta-form {
  display: flex;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
  border: 1px solid var(--rule);
  background: var(--bg-2);
  padding: 6px;
  border-radius: 3px;
}

.cta-form input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 14px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink);
  outline: none;
}

.cta-form input::placeholder { color: var(--ink-4); }

/* ============ MOCK UI (recreated app screenshots) ============ */
.mock {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  background: #14110e;
  color: #d4ccbc;
  display: grid;
  grid-template-columns: 220px 1fr 280px;
  height: 540px;
  border-radius: 0;
}

.mock-sidebar {
  background: #1a1612;
  border-right: 1px solid #2a221c;
  padding: 12px 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mock-sb-header {
  padding: 4px 14px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid #2a221c;
  margin-bottom: 8px;
  font-size: 10px;
  color: #8a7e6a;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mock-sb-pill {
  display: inline-block;
  padding: 2px 6px;
  font-size: 9px;
  border: 1px solid #3a3024;
  border-radius: 2px;
  color: #b8a988;
}

.mock-sb-group {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: #d4a574;
  padding: 8px 14px 6px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mock-sb-item {
  padding: 4px 14px 4px 24px;
  font-size: 11px;
  color: #b8ad97;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: default;
  position: relative;
}

.mock-sb-item.active { color: #f5e6d0; background: rgba(212, 165, 116, 0.08); }
.mock-sb-item .check { width: 9px; height: 9px; border: 1px solid #4a3e2c; border-radius: 1px; flex-shrink: 0; }
.mock-sb-item .check.on { background: #d4a574; border-color: #d4a574; }
.mock-sb-item .num { margin-left: auto; color: #6a5d48; font-size: 10px; }

.mock-main {
  background: #14110e;
  display: flex;
  flex-direction: column;
}

.mock-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid #2a221c;
  padding: 0 14px;
  height: 38px;
  align-items: stretch;
}

.mock-tab {
  padding: 0 16px;
  display: flex;
  align-items: center;
  font-size: 12px;
  color: #8a7e6a;
  border-bottom: 2px solid transparent;
  cursor: default;
}

.mock-tab.active {
  color: #f5e6d0;
  border-bottom-color: #d4a574;
}

.mock-content {
  padding: 28px 36px;
  flex: 1;
  overflow: hidden;
}

.mock-content h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #8a7e6a;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 16px;
  font-weight: 500;
}

.mock-input {
  border: 1px solid #2a221c;
  background: #1a1612;
  border-radius: 2px;
  padding: 16px;
  font-size: 13px;
  color: #d4ccbc;
  line-height: 1.6;
  min-height: 90px;
}

.mock-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: #d4a574;
  color: #1a1310;
  font-size: 12px;
  font-weight: 500;
  border-radius: 2px;
  border: none;
  margin-top: 16px;
}

.mock-chat {
  background: #1a1612;
  border-left: 1px solid #2a221c;
  display: flex;
  flex-direction: column;
}

.mock-chat-header {
  padding: 10px 14px;
  border-bottom: 1px solid #2a221c;
  font-size: 11px;
  color: #b8a988;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mock-chat-body {
  flex: 1;
  padding: 16px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: #b8ad97;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mock-chat-msg {
  background: #1f1a14;
  border: 1px solid #2a221c;
  padding: 10px 12px;
  border-radius: 3px;
  font-size: 11px;
}

.mock-chat-input {
  border-top: 1px solid #2a221c;
  padding: 10px 14px;
  font-size: 11px;
  color: #6a5d48;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mock-chat-input .field {
  flex: 1;
  border: 1px solid #2a221c;
  background: #14110e;
  padding: 6px 10px;
  border-radius: 2px;
}

/* small / responsive */
@media (max-width: 880px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature--wide { flex-direction: column; gap: 16px; }
  .feature--wide > .feature-body { max-width: none; }
  .byo-grid { grid-template-columns: 1fr; gap: 40px; }
  .workflow-steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .mock { grid-template-columns: 1fr; }
  .mock-sidebar, .mock-chat { display: none; }
}

/* Prevent flicker */
.fade-in {
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Caret blink for typing demo */
.caret {
  display: inline-block;
  width: 7px;
  height: 1.1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }