/* === Reset & base === */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #0f172a;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
code, pre { font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace; }

:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --accent: #06b6d4;
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-mute: #94a3b8;
  --line: #e2e8f0;
  --line-soft: #f1f5f9;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-dark: #0f172a;
  --green: #10b981;
  --red: #ef4444;
  --amber: #f59e0b;
  --grad: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --grad-soft: linear-gradient(135deg, rgba(124,58,237,.08), rgba(6,182,212,.08));
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
  --shadow-md: 0 4px 6px -1px rgba(15,23,42,.08), 0 2px 4px -2px rgba(15,23,42,.06);
  --shadow-lg: 0 20px 25px -5px rgba(15,23,42,.10), 0 8px 10px -6px rgba(15,23,42,.08);
  --shadow-xl: 0 25px 50px -12px rgba(124,58,237,.25);
  --radius: 12px;
  --radius-lg: 20px;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px; border-radius: 10px; font-weight: 600; font-size: 14px;
  transition: all .18s ease; cursor: pointer; white-space: nowrap;
  border: 1px solid transparent;
}
.btn-lg { padding: 14px 24px; font-size: 15px; border-radius: 12px; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 4px 14px rgba(124,58,237,.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(124,58,237,.5); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { display: flex; width: 100%; }

/* === Announce bar === */
.announce {
  background: linear-gradient(90deg, #1e1b4b, #312e81);
  color: #e0e7ff; text-align: center; padding: 10px 16px;
  font-size: 13.5px; font-weight: 500;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.announce .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #34d399; box-shadow: 0 0 0 4px rgba(52,211,153,.2);
  animation: pulse 2s infinite;
}
@keyframes pulse { 50% { opacity: .5; } }

/* === Nav === */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-mark { width: 32px; height: 32px; }
.logo-text { font-size: 19px; letter-spacing: -.02em; color: var(--ink); }
.logo-text b { font-weight: 800; color: var(--primary); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 14.5px; color: var(--ink-soft); font-weight: 500; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { display: flex; gap: 8px; }

/* === Hero === */
.hero { padding: 80px 0 100px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,.12), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -100px; left: -150px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6,182,212,.10), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-copy h1 {
  font-size: clamp(36px, 5vw, 60px); font-weight: 800; line-height: 1.05;
  letter-spacing: -.025em; margin: 18px 0 22px; color: var(--ink);
}
.lead { font-size: 18px; color: var(--ink-soft); line-height: 1.6; max-width: 540px; }
.eyebrow { display: flex; gap: 10px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 100px;
  font-size: 12px; font-weight: 600; letter-spacing: .02em;
  background: var(--grad); color: #fff;
}
.badge-soft { background: rgba(124,58,237,.10); color: var(--primary); }
.hero-cta { display: flex; gap: 12px; margin: 32px 0 22px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; color: var(--ink-mute); font-size: 14px; font-weight: 500; }
.hero-trust li { display: flex; align-items: center; gap: 6px; }

/* === Hero mockup === */
.hero-visual { position: relative; }
.window {
  background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--line);
  box-shadow: var(--shadow-xl); overflow: hidden;
  transform: rotate(-1deg);
}
.window:hover { transform: rotate(0); transition: transform .4s ease; }
.window-bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 14px;
  background: #f8fafc; border-bottom: 1px solid var(--line-soft);
}
.window-bar .dot { width: 12px; height: 12px; border-radius: 50%; }
.window-bar .dot.red { background: #ef4444; }
.window-bar .dot.yellow { background: #f59e0b; }
.window-bar .dot.green { background: #10b981; }
.window-url {
  margin-left: 16px; padding: 4px 12px; background: #fff;
  border: 1px solid var(--line); border-radius: 6px;
  font-size: 12px; color: var(--ink-mute); font-family: 'JetBrains Mono', monospace;
  flex: 1;
}
.window-body { padding: 22px; }
.audit-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 16px; border-bottom: 1px solid var(--line-soft); margin-bottom: 16px;
}
.audit-title { font-size: 16px; font-weight: 700; color: var(--ink); }
.audit-sub { font-size: 12.5px; color: var(--ink-mute); margin-top: 2px; }
.score { text-align: right; }
.score-num {
  font-size: 34px; font-weight: 800;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.score-lbl { font-size: 11px; color: var(--ink-mute); text-transform: uppercase; letter-spacing: .05em; }
.issue-list { display: flex; flex-direction: column; gap: 10px; }
.issue {
  display: flex; align-items: center; gap: 12px; padding: 12px;
  border: 1px solid var(--line-soft); border-radius: 10px; background: #fff;
}
.issue-icon {
  width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.issue.critical .issue-icon { background: #fee2e2; color: #dc2626; }
.issue.warn .issue-icon { background: #fef3c7; color: #d97706; }
.issue.info .issue-icon { background: #dbeafe; color: #2563eb; }
.issue.good .issue-icon { background: #d1fae5; color: #059669; }
.issue-text { flex: 1; }
.issue-name { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.issue-meta { font-size: 11.5px; color: var(--ink-mute); margin-top: 1px; }
.btn-fix {
  padding: 6px 12px; background: var(--grad); color: #fff;
  border-radius: 6px; font-size: 12px; font-weight: 600;
}
.credit-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 16px; padding: 10px 14px; background: var(--bg-soft);
  border-radius: 8px; font-size: 12.5px; color: var(--ink-soft);
}
.link { color: var(--primary); font-weight: 600; }

/* === Trust strip === */
.trust-strip { padding: 50px 0; background: var(--bg-soft); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.trust-label { text-align: center; font-size: 12px; font-weight: 600; color: var(--ink-mute); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 22px; }
.trust-logos {
  display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap;
  opacity: .65;
}
.trust-logos span {
  font-size: 18px; font-weight: 700; color: var(--ink-soft); letter-spacing: -.01em;
}

/* === Sections === */
section { padding: 100px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.kicker {
  display: inline-block; padding: 6px 14px; border-radius: 100px;
  background: rgba(124,58,237,.10); color: var(--primary);
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px); font-weight: 800; line-height: 1.12;
  letter-spacing: -.025em; color: var(--ink);
}
.section-lead { font-size: 17px; color: var(--ink-soft); margin-top: 18px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* === Problem === */
.problem { background: var(--bg); text-align: center; }
.problem .section-title { max-width: 800px; margin: 0 auto; }
.problem .section-lead { margin-top: 22px; }
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  max-width: 1000px; margin: 60px auto 0;
}
.stat {
  padding: 32px 20px; background: var(--bg-soft); border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
}
.stat-num {
  font-size: 44px; font-weight: 800; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 10px;
}
.stat-label { font-size: 13.5px; color: var(--ink-soft); line-height: 1.45; }

/* === Modes === */
.modes { background: var(--bg); }
.modes-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  max-width: 1100px; margin: 0 auto;
}
.mode-card {
  padding: 38px 32px; border-radius: var(--radius-lg);
  border: 1px solid var(--line); background: #fff;
  display: flex; flex-direction: column;
  transition: all .25s ease; position: relative;
}
.mode-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.mode-standalone {
  background: linear-gradient(160deg, #faf5ff 0%, #ffffff 60%);
  border-color: rgba(124,58,237,.25);
}
.mode-companion {
  background: linear-gradient(160deg, #ecfeff 0%, #ffffff 60%);
  border-color: rgba(6,182,212,.25);
}
.mode-badge-row {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px;
}
.mode-badge {
  display: inline-block; padding: 5px 12px; border-radius: 100px;
  font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.mode-standalone .mode-badge { background: rgba(124,58,237,.12); color: var(--primary); }
.mode-companion .mode-badge { background: rgba(6,182,212,.12); color: #0891b2; }
.mode-lock {
  display: inline-block; padding: 5px 11px; border-radius: 100px;
  font-size: 11px; font-weight: 700; letter-spacing: .03em;
  background: linear-gradient(135deg, #fef3c7, #fde68a); color: #92400e;
  border: 1px solid rgba(146,64,14,.15);
}
.mode-lock.available {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #065f46;
  border-color: rgba(6,95,70,.15);
}
.mode-head h3 { font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.mode-head p { font-size: 15px; color: var(--ink-soft); margin-top: 8px; line-height: 1.55; }
.mode-features {
  display: flex; flex-direction: column; gap: 11px; margin: 28px 0 24px; flex: 1;
}
.mode-features li {
  font-size: 14px; color: var(--ink-soft); padding-left: 26px; position: relative; line-height: 1.55;
}
.mode-features li::before {
  content: '✓'; position: absolute; left: 0; top: 1px; font-weight: 800; font-size: 14px;
}
.mode-standalone .mode-features li::before { color: var(--primary); }
.mode-companion .mode-features li::before { color: #0891b2; }
.mode-features b { color: var(--ink); font-weight: 700; }
.mode-best {
  font-size: 13px; color: var(--ink-soft); padding: 14px 16px;
  background: rgba(15,23,42,.04); border-radius: 10px; line-height: 1.5;
}
.mode-best strong { color: var(--ink); }

.mode-toggle-demo {
  max-width: 1100px; margin: 50px auto 0; padding: 28px 32px;
  background: var(--bg-soft); border-radius: var(--radius-lg); border: 1px dashed var(--line);
}
.toggle-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 10px 0; border-bottom: 1px dashed var(--line);
}
.toggle-row:last-of-type { border-bottom: none; }
.toggle-label { font-size: 13px; color: var(--ink-mute); font-weight: 500; }
.toggle-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  font-size: 13px; font-weight: 600; color: var(--ink); font-family: 'JetBrains Mono', monospace;
}
.toggle-chip.standalone { border-color: var(--primary); color: var(--primary); background: rgba(124,58,237,.06); }
.toggle-chip.companion { border-color: #0891b2; color: #0891b2; background: rgba(6,182,212,.06); }
.toggle-chip.locked { border-color: #d97706; color: #92400e; background: linear-gradient(135deg,#fef3c7,#fde68a); }
.toggle-arrow { color: var(--ink-mute); font-size: 18px; }
.toggle-or {
  font-size: 12px; color: var(--ink-mute); font-style: italic; margin: 0 4px;
}
.toggle-note {
  font-size: 12.5px; color: var(--ink-mute); margin-top: 14px;
}
.toggle-note code {
  background: #fff; padding: 2px 8px; border-radius: 5px; border: 1px solid var(--line);
  font-size: 12px; color: var(--ink);
}

/* === Features === */
.features { background: var(--bg-soft); }
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature {
  background: #fff; padding: 32px 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft); transition: all .25s ease;
  display: flex; flex-direction: column;
}
.feature:hover { border-color: rgba(124,58,237,.30); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 32px; margin-bottom: 16px; }
.feature h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 8px; letter-spacing: -.01em; }
.feature p { font-size: 14.5px; color: var(--ink-soft); flex: 1; line-height: 1.55; }
.tag {
  display: inline-block; margin-top: 16px; padding: 5px 10px; border-radius: 6px;
  background: var(--grad-soft); color: var(--primary);
  font-size: 11.5px; font-weight: 600;
}

/* === Power-ups === */
.powerups { background: var(--bg); }
.powerup {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  max-width: 1180px; margin: 0 auto 80px;
}
.powerup:last-child { margin-bottom: 0; }
.powerup.reverse .powerup-text { order: 2; }
.powerup-tags { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.pu-tag {
  padding: 5px 12px; border-radius: 100px; font-size: 11.5px;
  font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
}
.pu-tag.pro { background: var(--grad); color: #fff; }
.pu-tag.all { background: var(--green); color: #fff; }
.pu-tag.soft { background: var(--bg-soft); color: var(--ink-soft); border: 1px solid var(--line); }
.powerup-text h3 {
  font-size: clamp(24px, 3vw, 32px); font-weight: 800;
  letter-spacing: -.02em; margin-bottom: 12px; color: var(--ink);
}
.powerup-lead {
  font-size: 16.5px; color: var(--ink-soft); line-height: 1.6; margin-bottom: 22px;
}
.powerup-lead strong { color: var(--ink); font-weight: 700; }
.powerup-list { display: flex; flex-direction: column; gap: 11px; margin-bottom: 22px; }
.powerup-list li {
  font-size: 14.5px; color: var(--ink-soft); padding-left: 26px; position: relative; line-height: 1.55;
}
.powerup-list li::before {
  content: '→'; position: absolute; left: 0; top: 0; font-weight: 700; color: var(--primary);
}
.powerup-list b { color: var(--ink); font-weight: 700; }
.powerup-credit {
  font-size: 13px; padding: 12px 16px; background: var(--grad-soft);
  border-radius: 10px; color: var(--ink-soft); line-height: 1.5;
}
.powerup-credit b { color: var(--ink); font-weight: 700; }

/* Visual cards inside power-ups */
.diff-card, .writer-card, .update-card {
  background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--line); box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Diff card */
.diff-head {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
  padding: 12px 16px; background: #fef2f2; border-bottom: 1px solid #fee2e2; gap: 8px;
}
.diff-file { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: #991b1b; font-weight: 600; }
.diff-status { font-size: 12px; color: #b91c1c; font-weight: 600; }
.diff-body { background: #0f172a; padding: 14px 0; font-family: 'JetBrains Mono', monospace; font-size: 11.5px; line-height: 1.7; }
.diff-line { display: flex; padding: 2px 16px; }
.diff-line .ln { color: #475569; width: 28px; flex-shrink: 0; user-select: none; }
.diff-line .code-text { color: #cbd5e1; word-break: break-all; }
.diff-line.removed { background: rgba(239,68,68,.12); }
.diff-line.removed .code-text::before { content: '- '; color: #ef4444; }
.diff-line.added { background: rgba(16,185,129,.12); }
.diff-line.added .code-text::before { content: '+ '; color: #10b981; }
.diff-line.kept .code-text::before { content: '  '; color: var(--ink-mute); }
.diff-actions {
  display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px;
  background: #fff; border-top: 1px solid var(--line-soft);
}
.btn-discard { padding: 8px 14px; background: #f1f5f9; color: var(--ink-soft); border-radius: 6px; font-size: 13px; font-weight: 600; }
.btn-apply { padding: 8px 14px; background: linear-gradient(135deg, #10b981, #059669); color: #fff; border-radius: 6px; font-size: 13px; font-weight: 600; }

/* Writer card */
.writer-head {
  display: flex; justify-content: space-between; padding: 14px 18px;
  background: var(--grad); color: #fff;
}
.writer-mode { font-weight: 600; font-size: 13.5px; }
.writer-lang { font-size: 12px; opacity: .9; }
.writer-prompt {
  padding: 12px 18px; background: var(--bg-soft); font-size: 13px; color: var(--ink-soft);
  border-bottom: 1px solid var(--line-soft); display: flex; gap: 10px; align-items: flex-start;
}
.writer-label { font-weight: 700; color: var(--ink); flex-shrink: 0; }
.writer-output { padding: 18px; font-size: 13.5px; color: var(--ink); line-height: 1.6; }
.writer-output p { margin-bottom: 10px; }
.writer-output ul { margin: 8px 0; padding-left: 4px; }
.writer-output ul li { font-size: 13px; color: var(--ink-soft); margin-bottom: 4px; list-style: none; padding: 0; }
.writer-meta {
  margin-top: 12px !important; padding: 10px 12px; background: var(--bg-soft);
  border-radius: 8px; font-size: 12px !important; color: var(--ink-mute) !important;
}
.writer-meta em { color: var(--primary); font-style: normal; font-weight: 600; }

/* Update card */
.update-head {
  padding: 14px 18px; background: #0f172a; color: #fff;
  display: flex; justify-content: space-between; align-items: center;
}
.update-title { font-weight: 700; font-size: 14px; }
.update-time { font-size: 12px; color: #94a3b8; }
.update-steps { padding: 18px; display: flex; flex-direction: column; gap: 14px; position: relative; }
.update-steps::before {
  content: ''; position: absolute; left: 26px; top: 24px; bottom: 24px;
  width: 2px; background: var(--line);
}
.upd-step { display: flex; align-items: center; gap: 14px; position: relative; z-index: 1; }
.upd-dot {
  width: 16px; height: 16px; border-radius: 50%; background: #fff;
  border: 2px solid var(--green); flex-shrink: 0;
}
.upd-dot.success { background: var(--green); box-shadow: 0 0 0 5px rgba(16,185,129,.15); }
.upd-step span:last-child { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }
.upd-step b { color: var(--ink); }
.update-actions {
  display: flex; gap: 8px; padding: 14px 18px;
  border-top: 1px solid var(--line-soft); background: var(--bg-soft);
}
.btn-restore, .btn-rollback {
  padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
  background: #fff; border: 1px solid var(--line); color: var(--ink-soft);
  cursor: pointer; transition: all .15s;
}
.btn-restore:hover { border-color: var(--primary); color: var(--primary); }
.btn-rollback:hover { border-color: #ef4444; color: #ef4444; }

/* === How it works === */
.how-steps {
  display: flex; align-items: stretch; justify-content: center;
  gap: 24px; max-width: 1100px; margin: 0 auto;
}
.step {
  flex: 1; background: #fff; padding: 36px 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--line); position: relative;
}
.step-num {
  width: 44px; height: 44px; border-radius: 12px; background: var(--grad);
  color: #fff; font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.step h3 { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.step p { font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; }
.step-arrow {
  display: flex; align-items: center; font-size: 24px; color: var(--ink-mute);
  font-weight: 300;
}

/* === Demo === */
.demo { background: var(--bg-soft); }
.demo-grid {
  display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr; gap: 16px;
  align-items: center; max-width: 1200px; margin: 0 auto;
}
.demo-step {
  background: #fff; padding: 24px; border-radius: var(--radius-lg);
  border: 1px solid var(--line); min-height: 220px;
}
.demo-step.ai { background: linear-gradient(135deg, #1e1b4b, #312e81); color: #e0e7ff; border-color: transparent; }
.demo-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-mute); margin-bottom: 14px;
}
.demo-step.ai .demo-label { color: #a5b4fc; }
.code {
  background: #0f172a; color: #e2e8f0; padding: 14px;
  border-radius: 8px; font-size: 12px; overflow-x: auto; line-height: 1.6;
  word-break: break-all; white-space: pre-wrap;
}
.demo-note { font-size: 12.5px; color: var(--ink-mute); margin-top: 14px; line-height: 1.5; }
.ai-think { display: flex; flex-direction: column; gap: 8px; }
.ai-line {
  background: rgba(255,255,255,.06); padding: 8px 12px; border-radius: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: 11.5px;
  border-left: 2px solid #a5b4fc;
}
.demo-arrow {
  font-size: 28px; color: var(--ink-mute); text-align: center; font-weight: 300;
}

/* === Pricing === */
.pricing { background: var(--bg); }

/* Billing toggle */
.billing-toggle {
  display: inline-flex; gap: 4px; padding: 5px;
  background: var(--bg-soft); border-radius: 100px;
  border: 1px solid var(--line); margin-top: 28px;
}
.billing-btn {
  padding: 10px 22px; border-radius: 100px;
  background: transparent; color: var(--ink-soft);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all .2s; display: inline-flex; align-items: center; gap: 8px;
}
.billing-btn:hover { color: var(--ink); }
.billing-btn.active {
  background: #fff; color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.billing-btn .badge-save {
  padding: 3px 9px; border-radius: 100px;
  background: var(--green); color: #fff;
  font-size: 10.5px; font-weight: 800;
  letter-spacing: .04em; text-transform: uppercase;
}
.billing-btn.active .badge-save { background: var(--grad); }

/* Show/hide based on .pricing.annual state */
.pricing .annual-only { display: none; }
.pricing.annual .monthly-only { display: none; }
.pricing.annual .plan-price.annual-only { display: flex; }
.pricing.annual .plan-yearly.annual-only { display: block; }
.price-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1100px; margin: 0 auto;
}
.plan {
  background: #fff; padding: 38px 30px; border-radius: var(--radius-lg);
  border: 1px solid var(--line); display: flex; flex-direction: column;
  position: relative; transition: all .25s ease;
}
.plan:hover { box-shadow: var(--shadow-lg); }
.plan-featured {
  border: 2px solid var(--primary);
  box-shadow: 0 12px 32px rgba(124,58,237,.18);
  transform: scale(1.02);
}
.ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  padding: 6px 16px; background: var(--grad); color: #fff;
  border-radius: 100px; font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.plan-head h3 { font-size: 22px; font-weight: 800; color: var(--ink); }
.plan-head p { font-size: 13.5px; color: var(--ink-mute); margin-top: 4px; }
.plan-price { margin: 22px 0 4px; display: flex; align-items: baseline; gap: 6px; }
.price { font-size: 42px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.per { font-size: 14px; color: var(--ink-mute); font-weight: 500; }
.plan-yearly { font-size: 12.5px; color: var(--green); font-weight: 600; margin-bottom: 22px; }
.plan-features { display: flex; flex-direction: column; gap: 10px; margin: 22px 0 28px; flex: 1; }
.plan-features li {
  font-size: 14px; color: var(--ink-soft); padding-left: 24px; position: relative;
}
.plan-features li::before {
  content: '✓'; position: absolute; left: 0; top: 0;
  color: var(--green); font-weight: 700;
}
.plan-features li.not { color: var(--ink-mute); text-decoration: line-through; }
.plan-features li.not::before { content: '✗'; color: var(--ink-mute); text-decoration: none; }
.plan-features b { color: var(--ink); font-weight: 700; }
.muted { color: var(--ink-mute); font-size: 12.5px; }
.plan-foot { font-size: 12px; color: var(--ink-mute); text-align: center; margin-top: 12px; }
.price-note {
  max-width: 1100px; margin: 40px auto 0; padding: 18px 22px;
  background: var(--grad-soft); border-radius: var(--radius);
  font-size: 13.5px; color: var(--ink-soft); text-align: center;
}

/* === Credit top-up packs === */
.topup-section {
  max-width: 1100px; margin: 70px auto 0;
  padding: 40px 32px; background: var(--bg-soft);
  border-radius: var(--radius-lg); border: 1px solid var(--line);
}
.topup-head { text-align: center; margin-bottom: 32px; }
.topup-head h3 {
  font-size: clamp(22px, 3vw, 30px); font-weight: 800;
  letter-spacing: -.02em; color: var(--ink); margin-bottom: 10px;
}
.topup-head p { font-size: 14.5px; color: var(--ink-soft); max-width: 540px; margin: 0 auto; }
.topup-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.topup-pack {
  background: #fff; padding: 22px 18px; border-radius: var(--radius);
  border: 1px solid var(--line); text-align: center;
  display: flex; flex-direction: column; gap: 10px;
  position: relative; transition: all .2s ease;
}
.topup-pack:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.topup-pack.featured { border: 2px solid var(--primary); }
.pack-save {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  padding: 3px 10px; background: var(--green); color: #fff;
  border-radius: 100px; font-size: 10.5px; font-weight: 700;
  letter-spacing: .05em; white-space: nowrap;
}
.pack-save.best { background: var(--grad); }
.pack-name { font-size: 13px; font-weight: 700; color: var(--ink-mute); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }
.pack-credits { font-size: 13px; color: var(--ink-soft); }
.pack-credits b { font-size: 28px; font-weight: 800; color: var(--ink); display: block; line-height: 1.1; margin-bottom: 2px; letter-spacing: -.02em; }
.pack-price {
  margin: 6px 0; padding: 10px 0;
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
}
.pack-inr { font-size: 22px; font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.pack-usd { font-size: 12.5px; color: var(--ink-mute); font-weight: 500; margin-top: 2px; }
.pack-rate { font-size: 12px; color: var(--primary); font-weight: 600; }
.topup-foot {
  margin-top: 24px; font-size: 12px; color: var(--ink-mute); text-align: center; line-height: 1.5;
}

/* === Compare === */
.compare { background: var(--bg-soft); }
.table-wrap { overflow-x: auto; max-width: 1100px; margin: 0 auto; }
.cmp {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line);
  font-size: 14px;
}
.cmp th, .cmp td {
  padding: 16px 18px; text-align: center; border-bottom: 1px solid var(--line-soft);
}
.cmp th { background: var(--bg-soft); font-weight: 700; color: var(--ink); }
.cmp th.us { background: var(--grad); color: #fff; }
.cmp tbody tr td:first-child {
  text-align: left; font-weight: 600; color: var(--ink);
  background: var(--bg-soft);
}
.cmp .y { color: var(--green); font-weight: 600; }
.cmp .n { color: var(--ink-mute); }
.cmp .part { color: var(--amber); font-weight: 500; }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp tbody tr td:nth-child(2) { background: rgba(124,58,237,.04); font-weight: 600; }

/* === FAQ === */
.faq { background: var(--bg); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq details {
  background: var(--bg-soft); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 12px; border: 1px solid transparent;
  transition: all .2s;
}
.faq details[open] { border-color: var(--primary); background: #fff; box-shadow: var(--shadow-md); }
.faq summary {
  font-weight: 600; font-size: 16px; color: var(--ink);
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; font-size: 22px; color: var(--primary); font-weight: 300;
  transition: transform .2s;
}
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 12px; color: var(--ink-soft); font-size: 14.5px; line-height: 1.65; }

/* === Final CTA === */
.final-cta { background: var(--bg-soft); padding: 100px 0; }
.cta-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
  padding: 64px 40px; border-radius: var(--radius-lg);
  text-align: center; color: #fff; position: relative; overflow: hidden;
}
.cta-card::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(6,182,212,.20), transparent 70%);
}
.cta-card h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; line-height: 1.15; max-width: 720px; margin: 0 auto; position: relative; z-index: 1; }
.cta-card p { font-size: 17px; color: #cbd5e1; margin: 18px auto 32px; max-width: 560px; position: relative; z-index: 1; }
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-card .btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.2); }
.cta-card .btn-ghost:hover { background: rgba(255,255,255,.08); }
.cta-foot { font-size: 13px; color: #94a3b8; margin-top: 28px !important; position: relative; z-index: 1; }

/* === Footer === */
.footer { background: var(--bg-dark); color: #cbd5e1; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.footer .logo-text { color: #fff; }
.footer .logo-text b { color: #a78bfa; }
.foot-tag { font-size: 13.5px; color: #94a3b8; margin-top: 14px; line-height: 1.6; max-width: 280px; }
.footer h4 { font-size: 13px; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { font-size: 14px; color: #94a3b8; transition: color .15s; }
.footer ul a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #1e293b; padding: 22px 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: #64748b;
}

/* === Responsive === */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .modes-grid { grid-template-columns: 1fr; max-width: 560px; }
  .powerup { grid-template-columns: 1fr; gap: 32px; margin-bottom: 60px; }
  .powerup.reverse .powerup-text { order: 0; }
  .toggle-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .toggle-arrow { transform: rotate(90deg); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 480px; }
  .topup-grid { grid-template-columns: 1fr 1fr; }
  .plan-featured { transform: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .how-steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); margin: 0 auto; }
  .demo-grid { grid-template-columns: 1fr; }
  .demo-arrow { transform: rotate(90deg); }
  section { padding: 70px 0; }
}
@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-cta .btn-ghost { display: none; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
}