:root {
  --orange-50:  #FFF4E8;
  --orange-100: #FDE3C7;
  --orange-300: #F8A23B;
  --orange-500: #F08113;
  --orange-600: #E94D1D;
  --orange-700: #C13A12;
  --brand-grad: linear-gradient(135deg, #F8A23B 0%, #F08113 48%, #E94D1D 100%);
  --brand-grad-soft: linear-gradient(135deg, #FDB976 0%, #F39553 50%, #EE6F3A 100%);

  --paper:   #FAF7F2;
  --paper-2: #F2EEE7;
  --paper-3: #E8E3DA;
  --hairline: rgba(26,22,20,0.08);
  --hairline-strong: rgba(26,22,20,0.14);
  --ink:   #1A1614;
  --ink-2: #423B36;
  --stone: #87807A;
  --mist:  #B8B1AB;

  --font-display: "Plus Jakarta Sans", -apple-system, system-ui, sans-serif;
  --font-text:    "Lora", Georgia, serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --glass-shadow: 0 30px 60px -20px rgba(170,90,40,0.18), 0 12px 24px -16px rgba(26,22,20,0.16);
  --shadow-brand: 0 40px 80px -20px rgba(233,77,29,0.45), inset 0 2px 0 rgba(255,255,255,0.40);
  --shadow-cta:   0 12px 24px -8px rgba(233,77,29,0.50), inset 0 1px 0 rgba(255,255,255,0.30);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-display);
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── AMBIENT ── */
.ambient {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.ambient::before {
  content: "";
  position: absolute;
  width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(240,129,19,0.28), transparent 70%);
  filter: blur(140px); border-radius: 50%;
  top: -300px; right: -260px;
  animation: driftA 12s ease-in-out infinite alternate;
}
.ambient::after {
  content: "";
  position: absolute;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(233,77,29,0.18), transparent 70%);
  filter: blur(140px); border-radius: 50%;
  top: 60%; left: -300px;
  animation: driftB 16s ease-in-out infinite alternate;
}
@keyframes driftA { from { transform: translate(0,0) scale(1); } to { transform: translate(-80px,60px) scale(1.1); } }
@keyframes driftB { from { transform: translate(0,0) scale(1); } to { transform: translate(60px,-80px) scale(1.08); } }

/* ── NAV ── */
nav {
  position: sticky; top: 16px; z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  max-width: 1200px; margin: 16px auto 0; padding: 12px 22px;
  background: rgba(250,247,242,0.72);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.85);
  border-radius: 999px;
  box-shadow: var(--glass-shadow);
}
.nav-logo {
  display: flex;
  align-items: center;
  justify-self: start;
}
.nav-logo img {
  height: 32px;
  width: auto;
  display: block;
}
.nav-tabs {
  display: flex; gap: 4px; list-style: none;
  justify-self: center;
}
.nav-tab {
  padding: 8px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 600; letter-spacing: -0.01em;
  color: var(--stone); cursor: pointer;
  transition: all 200ms ease;
  border: none; background: transparent;
}
.nav-tab:hover { color: var(--ink); background: var(--paper-2); }
.nav-tab.active {
  background: var(--ink); color: var(--paper);
}
.nav-badge {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--orange-600);
  padding: 6px 14px; border-radius: 999px;
  background: var(--orange-50);
  border: 1px solid var(--orange-100);
}

/* ── HERO ── */
.hero {
  max-width: 1200px; margin: 0 auto;
  padding: 100px 56px 80px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
  position: relative; z-index: 1;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--orange-600);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 24px;
}
.hero-eyebrow::before {
  content: ""; width: 18px; height: 1px; background: var(--orange-500);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800; letter-spacing: -0.04em; line-height: 0.95;
  margin-bottom: 24px;
}
.hero h1 .grad {
  background: var(--brand-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-family: var(--font-text);
  font-size: 16px; line-height: 1.55; color: var(--ink-2);
  max-width: 480px; margin-bottom: 40px;
  font-style: italic;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--brand-grad); color: white; border: 0;
  padding: 16px 28px; border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
  box-shadow: var(--shadow-cta); cursor: pointer;
  transition: transform 200ms, box-shadow 200ms;
  text-decoration: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -10px rgba(233,77,29,0.6), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(20px);
  color: var(--ink); border: 1px solid rgba(255,255,255,0.85);
  padding: 16px 28px; border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600; font-size: 15px; cursor: pointer;
  transition: all 200ms; text-decoration: none;
}
.btn-ghost:hover { background: rgba(255,255,255,0.85); }

/* Hero card visual */
.hero-visual {
  position: relative; display: flex; justify-content: center;
}
.hero-mark {
  width: 280px; height: 280px;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 22%; display: flex; align-items: center; justify-content: center;
  box-shadow: var(--glass-shadow);
  animation: floatY 8s ease-in-out infinite;
  position: relative;
}
.hero-mark-img {
  width: 170px;
  height: 170px;
  object-fit: contain;
}
.hero-chip {
  position: absolute;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.85);
  border-radius: 999px;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.04em;
  color: var(--ink-2); white-space: nowrap;
  box-shadow: 0 8px 24px rgba(26,22,20,0.1);
}
.chip-1 { top: 20px; right: -30px; animation: floatY 6s ease-in-out infinite; }
.chip-2 { bottom: 60px; left: -40px; animation: floatY 7s ease-in-out infinite reverse; }
.chip-3 { bottom: 10px; right: 10px; animation: floatY 5s ease-in-out infinite 1s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ── STATS STRIP ── */
.stats-strip {
  max-width: 1200px; margin: 0 auto 80px;
  padding: 0 56px;
  position: relative; z-index: 1;
}
.stats-inner {
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.85);
  border-radius: 28px;
  box-shadow: var(--glass-shadow);
  padding: 32px 48px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: 40px; font-weight: 800; letter-spacing: -0.04em;
  background: var(--brand-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--stone);
}

/* ── MAIN CONTENT ── */
main {
  max-width: 1200px; margin: 0 auto;
  padding: 0 56px 120px;
  position: relative; z-index: 1;
}

.section-head {
  margin-bottom: 48px;
}
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--orange-600);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content: ""; width: 18px; height: 1px; background: var(--orange-500);
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800; letter-spacing: -0.04em; line-height: 1.0;
}
.section-head h2 .grad {
  background: var(--brand-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── TABS (page-level) ── */
.page-tabs {
  display: none; /* controlled via JS */
}
.tab-page { display: none; }
.tab-page.active { display: block; }

/* ── PROMPT CARDS ── */
.prompts-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.prompts-grid.single { grid-template-columns: 1fr; }

.prompt-card {
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.85);
  border-radius: 28px;
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: transform 200ms, box-shadow 200ms;
}
.prompt-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 40px 80px -20px rgba(170,90,40,0.22), 0 16px 32px -16px rgba(26,22,20,0.18);
}

.prompt-card-header {
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--hairline);
  display: flex; align-items: flex-start; gap: 16px;
}
.prompt-icon {
  width: 44px; height: 44px; border-radius: 14px;
  background: var(--brand-grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
  box-shadow: 0 8px 20px -4px rgba(233,77,29,0.4);
}
.prompt-meta { flex: 1; }
.prompt-tag {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--orange-600); margin-bottom: 6px;
}
.prompt-card-header h3 {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.2;
}
.prompt-card-header p {
  font-family: var(--font-display);
  font-size: 13px; color: var(--stone); margin-top: 6px; line-height: 1.5;
}

.prompt-card-body { padding: 24px 32px; }

/* Form */
.form-group { margin-bottom: 16px; }
.form-label {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--stone); margin-bottom: 8px; display: block;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.75);
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
  padding: 12px 16px;
  font-family: var(--font-display);
  font-size: 14px; color: var(--ink-2);
  transition: border-color 200ms, box-shadow 200ms;
  outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--mist); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--orange-300);
  box-shadow: 0 0 0 3px rgba(240,129,19,0.12);
}
.form-textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
.form-select { appearance: none; cursor: pointer; }

.generate-btn {
  width: 100%; margin-top: 20px;
  background: var(--brand-grad); color: white; border: 0;
  padding: 14px 24px; border-radius: 14px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 14px; letter-spacing: -0.01em;
  box-shadow: var(--shadow-cta); cursor: pointer;
  transition: transform 200ms, box-shadow 200ms;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.generate-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -8px rgba(233,77,29,0.55);
}
.generate-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Output */
.output-area {
  margin-top: 24px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--hairline-strong);
  border-radius: 20px;
  padding: 24px;
  display: none;
  position: relative;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s ease;
}
.output-area.visible { display: block; }
.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.output-header-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-600);
}
.output-text {
  width: 100%;
  min-height: 250px;
  background: rgba(26, 22, 20, 0.03);
  border: 1px solid var(--hairline-strong);
  border-radius: 12px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  resize: vertical;
  outline: none;
  margin-bottom: 16px;
  display: block;
  transition: border-color 200ms, box-shadow 200ms;
}
.output-text:focus {
  border-color: var(--orange-300);
  box-shadow: 0 0 0 3px rgba(240,129,19,0.08);
}
.output-footer {
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
}
.footer-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
  display: block;
  margin-bottom: 12px;
}
.ia-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.ia-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 200ms ease;
  box-shadow: 0 4px 12px rgba(26,22,20,0.05);
}
.ia-link:hover {
  transform: translateY(-1.5px);
  box-shadow: 0 8px 18px rgba(26,22,20,0.12);
}
.ia-link.claude {
  background: #F1F0E9;
  color: #D97706;
  border: 1px solid #D6D3C4;
}
.ia-link.claude:hover {
  background: #E6E4DA;
}
.ia-link.chatgpt {
  background: #10A37F;
  color: white;
  border: 1px solid rgba(0,0,0,0.02);
}
.ia-link.chatgpt:hover {
  background: #158b6e;
}
.ia-link.gemini {
  background: linear-gradient(135deg, #1A73E8 0%, #7A22FF 100%);
  color: white;
  border: none;
}
.ia-link.gemini:hover {
  opacity: 0.95;
}
.ia-link.ideogram {
  background: #111111;
  color: #FFFFFF;
  border: 1px solid #333333;
}
.ia-link.ideogram:hover {
  background: #222222;
}
.ia-link.midjourney {
  background: #1E293B;
  color: #38BDF8;
  border: 1px solid #334155;
}
.ia-link.midjourney:hover {
  background: #334155;
}
.copy-btn {
  padding: 8px 16px; border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--hairline-strong);
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-2); cursor: pointer;
  transition: all 200ms;
}
.copy-btn:hover { background: var(--paper-3); }
.copy-btn.copied {
  background: #E8F5EC; color: #1F7A47; border-color: #A8D5B5;
}

/* Steps Grid & Cards (Global workflow display) */
.steps-workflow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.step-workflow-card {
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(16px);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px -15px rgba(170,90,40,0.1);
  transition: all 0.3s ease;
}
.step-workflow-card:hover {
  transform: translateY(-2px);
  border-color: rgba(240,129,19,0.3);
  box-shadow: 0 15px 35px -10px rgba(170,90,40,0.15);
}
.step-workflow-num {
  position: absolute;
  right: 16px; bottom: 8px;
  font-family: var(--font-display);
  font-size: 80px; font-weight: 800;
  color: rgba(240,129,19,0.08);
  line-height: 1; pointer-events: none;
}
.step-workflow-icon {
  font-size: 24px;
  margin-bottom: 12px;
}
.step-workflow-title {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.step-workflow-desc {
  font-family: var(--font-display);
  font-size: 12px; line-height: 1.5;
  color: var(--stone);
}

/* Step badges for forms */
.step-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-600);
  background: var(--orange-50);
  border: 1px solid var(--orange-100);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 16px;
}


/* Spinner */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.spinner.visible { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Loading shimmer */
.shimmer {
  background: linear-gradient(90deg, var(--paper-2) 25%, var(--paper-3) 50%, var(--paper-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px; height: 14px; margin-bottom: 8px;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* Framework PCTFR card */
.framework-card {
  background: linear-gradient(160deg, #2A211B, #1A1614);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 32px;
  padding: 48px 56px;
  margin-bottom: 32px;
  position: relative; overflow: hidden;
}
.framework-card::before {
  content: "";
  position: absolute; top: -200px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(240,129,19,0.18), transparent 70%);
  filter: blur(80px); pointer-events: none;
}
.framework-card h2 {
  font-family: var(--font-display);
  font-size: 40px; font-weight: 800; letter-spacing: -0.04em;
  color: #FAF7F2; margin-bottom: 12px; position: relative;
}
.framework-card > p {
  font-family: var(--font-text);
  font-size: 18px; line-height: 1.6; color: rgba(250,247,242,0.6);
  font-style: italic; max-width: 520px; margin-bottom: 40px; position: relative;
}
.pctfr-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
  position: relative;
}
.pctfr-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px; padding: 20px;
  transition: background 200ms;
}
.pctfr-item:hover { background: rgba(255,255,255,0.1); }
.pctfr-letter {
  font-family: var(--font-display);
  font-size: 36px; font-weight: 800; letter-spacing: -0.04em;
  background: var(--brand-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1; margin-bottom: 8px;
}
.pctfr-name {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(250,247,242,0.5); margin-bottom: 6px;
}
.pctfr-desc {
  font-family: var(--font-display);
  font-size: 12px; line-height: 1.4; color: rgba(250,247,242,0.7);
}

/* ── AGENT SECTIONS ── */
.agent-header {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 32px; padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
}
.agent-number {
  font-family: var(--font-display);
  font-size: 64px; font-weight: 800; letter-spacing: -0.06em;
  background: var(--brand-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
}
.agent-info h2 {
  font-family: var(--font-display);
  font-size: 28px; font-weight: 800; letter-spacing: -0.03em;
}
.agent-info p {
  font-family: var(--font-text);
  font-size: 15px; color: var(--stone); font-style: italic; margin-top: 4px;
}

/* Prompt block (raw) */
.prompt-raw {
  background: rgba(26,22,20,0.04);
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 12px; line-height: 1.7; color: var(--ink-2);
  white-space: pre-wrap; word-break: break-word;
  position: relative; overflow: hidden;
  margin-top: 16px;
}
.prompt-raw-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}
.prompt-raw-label {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--orange-600);
}

/* Quote block */
.quote-block {
  border-left: 3px solid var(--orange-500);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--orange-50);
  border-radius: 0 12px 12px 0;
}
.quote-block p {
  font-family: var(--font-text);
  font-size: 17px; font-style: italic; color: var(--ink-2); line-height: 1.6;
}

/* Table */
.data-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px; margin: 20px 0;
}
.data-table th {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--stone); padding: 10px 16px; text-align: left;
  border-bottom: 1px solid var(--hairline-strong);
}
.data-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--hairline);
  font-family: var(--font-display); color: var(--ink-2);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table strong { color: var(--ink); font-weight: 700; }

/* Footer */
footer {
  position: relative; z-index: 1;
  background: linear-gradient(160deg, #2A211B, #1A1614);
  padding: 64px 56px;
  text-align: center;
}
.footer-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}
.footer-logo img {
  height: 48px;
  width: auto;
  display: block;
}
.footer-sub {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(250,247,242,0.4);
}

/* Responsive */
@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; padding: 80px 32px 60px; gap: 60px; }
  .hero-visual { display: none; }
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  main { padding: 0 32px 80px; }
  .pctfr-grid { grid-template-columns: repeat(3,1fr); }
  .prompts-grid { grid-template-columns: 1fr; }
  .stats-strip { padding: 0 32px; }
}
@media (max-width: 720px) {
  nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 20px;
    margin: 12px;
    top: 12px;
    border-radius: 24px;
  }
  .nav-tabs {
    display: flex;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 4px;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .nav-tabs::-webkit-scrollbar {
    display: none;
  }
  .nav-tab {
    flex-shrink: 0;
  }
  .hero { padding: 60px 24px 40px; }
  .stats-inner { grid-template-columns: repeat(2,1fr); padding: 24px; }
  main { padding: 0 24px 60px; }
  .framework-card { padding: 32px 24px; }
  .pctfr-grid { grid-template-columns: 1fr 1fr; }
  .steps-workflow { grid-template-columns: 1fr; gap: 16px; }
  footer { padding: 48px 24px; }
}

@media (max-width: 480px) {
  .stats-inner { grid-template-columns: 1fr; gap: 20px; }
  .pctfr-grid { grid-template-columns: 1fr; }
}

/* API key notice */
.api-notice {
  background: var(--orange-50);
  border: 1px solid var(--orange-100);
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 12px;
}
.api-notice-icon { font-size: 20px; flex-shrink: 0; }
.api-notice-text {
  font-family: var(--font-display);
  font-size: 13px; color: var(--ink-2); line-height: 1.5;
}
.api-notice-text strong { color: var(--orange-700); }

.api-key-input-row {
  display: flex; gap: 10px; margin-bottom: 24px;
}
.api-key-input-row .form-input { flex: 1; }
.api-save-btn {
  padding: 12px 20px; border-radius: 14px;
  background: var(--ink); color: var(--paper);
  border: 0; font-family: var(--font-display);
  font-size: 13px; font-weight: 700; cursor: pointer;
  white-space: nowrap; transition: opacity 200ms;
}
.api-save-btn:hover { opacity: 0.8; }