/* ── quillsly.com — Graphite Dawn ported from withmerkava ─────── */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { min-height: 100vh; }

:root {
  /* Dawn tokens (default) */
  --bg-base: linear-gradient(135deg, #e6ecff 0%, #f5e9f2 45%, #fff0e3 100%);
  --bg-glow-a: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.25), transparent 55%);
  --bg-glow-b: radial-gradient(circle at 10% 90%, rgba(59, 130, 246, 0.20), transparent 50%);
  --surface: rgba(255, 255, 255, 0.55);
  --surface-elevated: rgba(255, 255, 255, 0.75);
  --surface-border: rgba(255, 255, 255, 0.60);
  --surface-border-strong: rgba(15, 23, 42, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-gradient: linear-gradient(135deg, #6366f1, #ec4899);
  --accent-solid: #6366f1;
  --accent-solid-rgb: 99, 102, 241;
  --success: #16a34a;
  --warning: #ca8a04;
  --error: #dc2626;
  --highlight-inner: rgba(255, 255, 255, 0.80);
  --shadow-outer: rgba(15, 23, 42, 0.15);

  /* Scale */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-7: 32px; --space-8: 40px;
  --space-9: 56px; --space-10: 80px;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 24px;

  /* Type */
  --font-primary: -apple-system, "SF Pro Display", system-ui, "Inter", sans-serif;
  --font-mono: "SF Mono", ui-monospace, Menlo, "JetBrains Mono", monospace;

  /* Layout */
  --page-max: 1200px;
}

[data-theme="graphite"] {
  --bg-base: radial-gradient(ellipse at 30% 10%, #1e293b, #030712 70%);
  --bg-glow-a: radial-gradient(circle at 75% 85%, rgba(56, 189, 248, 0.18), transparent 50%);
  --bg-glow-b: radial-gradient(circle at 15% 25%, rgba(168, 85, 247, 0.12), transparent 45%);
  --surface: rgba(255, 255, 255, 0.06);
  --surface-elevated: rgba(255, 255, 255, 0.10);
  --surface-border: rgba(255, 255, 255, 0.08);
  --surface-border-strong: rgba(255, 255, 255, 0.12);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --accent-gradient: linear-gradient(135deg, #38bdf8, #a855f7);
  --accent-solid: #38bdf8;
  --accent-solid-rgb: 56, 189, 248;
  --success: #4ade80;
  --warning: #facc15;
  --error: #f87171;
  --highlight-inner: rgba(255, 255, 255, 0.10);
  --shadow-outer: rgba(0, 0, 0, 0.50);
}

/* ── Base body + background glows ─── */
body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background: var(--bg-base);
  background-attachment: fixed;
  transition: color 200ms ease, background 200ms ease;
  font-size: 16px;
  line-height: 1.6;
}
body::before, body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  transition: background 200ms ease;
}
body::before { background: var(--bg-glow-a); }
body::after  { background: var(--bg-glow-b); }

/* ── Typography scale ─── */
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(40px, 7vw, 88px); line-height: 1.05; }
h2 { font-size: clamp(28px, 4vw, 52px); line-height: 1.1; }
h3 { font-size: 20px; font-weight: 600; line-height: 1.3; }
p  { margin: 0; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.label-mono {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent-solid);
}
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

a { color: var(--accent-solid); }

/* ── Glass primitives ─── */
.glass {
  background: var(--surface);
  backdrop-filter: blur(20px) saturate(170%);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow:
    0 1px 0 var(--highlight-inner) inset,
    0 8px 24px -12px var(--shadow-outer);
}
.glass-elevated {
  background: var(--surface-elevated);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow:
    0 1px 0 var(--highlight-inner) inset,
    0 12px 32px -12px var(--shadow-outer);
}

/* ── Layout ─── */
.container {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
section { padding: var(--space-10) 0; }

/* ── Nav ─── */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-6);
  max-width: var(--page-max);
  margin: var(--space-4) auto var(--space-5);
  position: sticky;
  top: var(--space-4);
  z-index: 50;
}
.nav-brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}
.nav-links {
  display: flex;
  gap: var(--space-5);
  margin-left: auto;
  align-items: center;
}
.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text-primary); }
.theme-toggle {
  background: none;
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ── Hero ─── */
.hero { text-align: left; padding-top: var(--space-8); }
.hero-eyebrow { display: block; margin-bottom: var(--space-5); }
.hero h1 { margin-bottom: var(--space-6); max-width: 20ch; }
.hero p.lead {
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--text-secondary);
  max-width: 62ch;
  line-height: 1.55;
  margin-bottom: var(--space-7);
}
.hero-cta {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  background: var(--accent-gradient);
  color: white;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -8px rgba(var(--accent-solid-rgb), 0.4);
}
.btn-ghost {
  display: inline-block;
  background: none;
  color: var(--text-primary);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  border: 1px solid var(--surface-border);
}
.hero-stats {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}
.hero-stat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Hero inline demo preview */
.hero-demo-preview {
  margin-top: var(--space-7);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 620px;
}
.hero-demo-preview .demo-row {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}
.hero-demo-preview input {
  flex: 1 1 280px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
}
.hero-demo-preview input:focus {
  outline: none;
  border-color: var(--accent-solid);
}
.hero-demo-preview .demo-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ── Thesis three-beat ─── */
.thesis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-7);
}
.thesis-beat { padding: var(--space-6); }
.thesis-n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent-solid);
  margin-bottom: var(--space-3);
}
.thesis-beat h3 { margin-bottom: var(--space-3); }
.thesis-beat p { color: var(--text-secondary); font-size: 15px; }

/* ── Workflow 5-block grid ─── */
.layer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-7);
}
.layer {
  padding: var(--space-5);
  border-left: 2px solid var(--accent-solid);
  position: relative;
}
.layer-n {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.10em;
  color: var(--accent-solid);
  margin-bottom: var(--space-2);
}
.layer h3 { margin-bottom: var(--space-3); font-size: 18px; }
.layer p { color: var(--text-secondary); font-size: 13.5px; line-height: 1.5; }

/* ── GEO edge comparison table ─── */
.compare {
  margin-top: var(--space-7);
  padding: var(--space-5);
  overflow-x: auto;
}
.compare table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare thead th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent-solid);
  border-bottom: 1px solid var(--surface-border-strong);
}
.compare tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--surface-border);
  color: var(--text-secondary);
  vertical-align: top;
}
.compare tbody tr.quill td {
  color: var(--text-primary);
  background: rgba(var(--accent-solid-rgb), 0.06);
  font-weight: 500;
}
.compare .yes { color: var(--success); font-weight: 600; }
.compare .no  { color: var(--text-muted); }

/* ── Live demo form ─── */
.demo-panel {
  margin-top: var(--space-7);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.demo-panel .demo-row {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}
.demo-panel label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: var(--space-2);
}
.demo-panel input {
  flex: 1 1 300px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 15px;
}
.demo-panel input:focus { outline: none; border-color: var(--accent-solid); }
.demo-output {
  margin-top: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px dashed var(--surface-border-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  white-space: pre-wrap;
  min-height: 120px;
  display: none;
}
.demo-output.visible { display: block; }
.demo-output.ok   { border-color: rgba(var(--accent-solid-rgb), 0.5); color: var(--text-primary); }
.demo-output.warn { color: var(--warning); }
.demo-output.err  { color: var(--error); }

/* ── Dual-mode side-by-side ─── */
.dualmode {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
  margin-top: var(--space-7);
}
.dualmode-copy h3 { margin-bottom: var(--space-4); font-size: 24px; }
.dualmode-copy p { color: var(--text-secondary); margin-bottom: var(--space-4); font-size: 16px; }
.dualmode-copy ul {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.dualmode-copy ul li {
  padding-left: var(--space-5);
  position: relative;
  color: var(--text-secondary);
}
.dualmode-copy ul li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--accent-solid);
  font-weight: 700;
}
.dualmode-img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px -16px var(--shadow-outer);
  background: var(--surface);
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

/* ── Pricing ─── */
.price-row {
  display: flex;
  justify-content: center;
  margin-top: var(--space-7);
}
.price-card {
  padding: var(--space-8);
  max-width: 420px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}
.price-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent-solid);
}
.price-name { font-size: 28px; font-weight: 700; }
.price-main {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}
.price-main small {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 6px;
}
.price-alt {
  font-size: 14px;
  color: var(--text-secondary);
}
.price-features {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 14.5px;
  color: var(--text-secondary);
}
.price-features li { padding-left: var(--space-5); position: relative; }
.price-features li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--accent-solid);
  font-weight: 700;
}
.price-agency {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: var(--space-2);
}

/* ── FAQ ─── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
  max-width: 840px;
}
details.faq {
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
}
details.faq summary {
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details.faq summary::after {
  content: '+';
  font-size: 20px;
  color: var(--accent-solid);
  font-weight: 300;
}
details.faq[open] summary::after { content: '−'; }
details.faq p {
  margin-top: var(--space-3);
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* ── Final CTA ─── */
.cta-panel {
  padding: var(--space-9) var(--space-7);
  margin-top: var(--space-7);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  align-items: center;
}
.cta-panel h2 { max-width: 22ch; }
.cta-panel p { color: var(--text-secondary); max-width: 60ch; font-size: 17px; }

/* ── Footer ─── */
footer {
  padding: var(--space-7) var(--space-6);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--surface-border);
  margin-top: var(--space-10);
}
footer a { color: var(--text-muted); }
.footer-row {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

/* ── Responsive ─── */
@media (max-width: 980px) {
  .layer-grid { grid-template-columns: repeat(2, 1fr); }
  .thesis { grid-template-columns: 1fr; }
  .dualmode { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .layer-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { text-align: center; }
  .price-card { padding: var(--space-6); }
}