/* ═══════════════════════════════════════════════════════════════
   LLMsTXT Digital — Main Stylesheet
   Aesthetic: Premium dark AI / Stripe × Linear × Vercel
═══════════════════════════════════════════════════════════════ */

/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --bg-void:      #06080f;
  --bg-deep:      #090d18;
  --bg-surface:   #0e1422;
  --bg-card:      #111827;
  --bg-card-alt:  #131c2e;

  --violet:       #7c3aed;
  --violet-light: #a78bfa;
  --violet-glow:  rgba(124,58,237,0.18);
  --cyan:         #06b6d4;
  --cyan-light:   #67e8f9;
  --cyan-glow:    rgba(6,182,212,0.12);
  --green:        #10b981;
  --green-light:  #6ee7b7;

  --white:        #ffffff;
  --text-primary: #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:   #475569;
  --border:       rgba(255,255,255,0.07);
  --border-glow:  rgba(124,58,237,0.25);

  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-violet: 0 0 60px rgba(124,58,237,0.15), 0 0 120px rgba(124,58,237,0.07);
  --shadow-cyan:   0 0 40px rgba(6,182,212,0.12);
  --shadow-card:   0 4px 24px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.04) inset;
}

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ─── Canvas Background ──────────────────────────────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}
.page-wrap { position: relative; z-index: 1; }

/* ─── NAV ────────────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  height: 68px;
  background: rgba(6,8,15,0.7);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-size: 17px; font-weight: 700; letter-spacing: -0.4px;
  display: flex; align-items: center; gap: 8px;
}
.nav-logo .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--violet-light);
  box-shadow: 0 0 12px var(--violet);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.nav-links {
  display: flex; align-items: center; gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 14px; font-weight: 400; color: var(--text-secondary);
  transition: color .2s;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  display: flex; align-items: center; gap: 16px;
}
.btn-ghost {
  font-size: 14px; color: var(--text-secondary);
  padding: 8px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all .2s; cursor: pointer; background: transparent;
  font-family: var(--font-display);
}
.btn-ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.15); }
.btn-primary {
  font-size: 14px; font-weight: 600; color: var(--white);
  padding: 9px 20px; border-radius: var(--radius-sm);
  background: var(--violet);
  border: 1px solid rgba(167,139,250,0.3);
  box-shadow: 0 0 20px rgba(124,58,237,0.3);
  transition: all .2s; cursor: pointer;
  font-family: var(--font-display);
}
.btn-primary:hover {
  background: #6d28d9;
  box-shadow: 0 0 30px rgba(124,58,237,0.5);
  transform: translateY(-1px);
}

/* ─── HERO ───────────────────────────────────────────────────── */
.hero-section {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  width: 100%;
}

/* Hero Left */
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 400;
  color: var(--violet-light);
  border: 1px solid rgba(167,139,250,0.2);
  background: rgba(124,58,237,0.08);
  padding: 6px 14px; border-radius: 100px;
  margin-bottom: 28px; letter-spacing: 0.3px;
}
.hero-eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--violet-light);
  box-shadow: 0 0 8px var(--violet-light);
}
.hero-h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 800; line-height: 1.06;
  letter-spacing: -2.5px; margin-bottom: 24px;
  color: var(--white);
}
.hero-h1 .grad {
  background: linear-gradient(135deg, var(--violet-light) 0%, var(--cyan-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px; line-height: 1.7; color: var(--text-secondary);
  max-width: 440px; margin-bottom: 40px; font-weight: 400;
}
.hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.btn-hero-primary {
  font-family: var(--font-display); font-size: 15px; font-weight: 600;
  color: var(--white); padding: 14px 28px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--violet) 0%, #5b21b6 100%);
  border: 1px solid rgba(167,139,250,0.25);
  box-shadow: 0 0 30px rgba(124,58,237,0.35), 0 4px 16px rgba(0,0,0,0.3);
  transition: all .25s; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
}
.btn-hero-primary:hover {
  box-shadow: 0 0 50px rgba(124,58,237,0.55), 0 4px 20px rgba(0,0,0,0.4);
  transform: translateY(-2px);
}
.btn-hero-secondary {
  font-family: var(--font-display); font-size: 15px; font-weight: 400;
  color: var(--text-secondary); padding: 14px 24px;
  border-radius: var(--radius-md); background: transparent;
  border: 1px solid var(--border); transition: all .2s; cursor: pointer;
}
.btn-hero-secondary:hover { color: var(--white); border-color: rgba(255,255,255,0.12); }

/* Hero Right — AI Visualization */
.hero-viz {
  position: relative; display: flex; align-items: center; justify-content: center;
}
#viz-canvas {
  width: 100%; max-width: 560px; height: 400px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-glow);
  background: rgba(14,20,34,0.8);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-violet);
  display: block;
}

/* ─── TOOL SECTION ────────────────────────────────────────────── */
.tool-section {
  padding: 100px 48px;
  position: relative;
}
.section-center { max-width: 1280px; margin: 0 auto; }
.section-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--violet-light);
  margin-bottom: 16px; display: block;
}
.section-h2 {
  font-size: clamp(30px, 3.5vw, 46px); font-weight: 800;
  letter-spacing: -1.5px; line-height: 1.1; color: var(--white);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px; color: var(--text-secondary); max-width: 520px;
  line-height: 1.7; margin-bottom: 56px;
}

/* Generator Card */
.generator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-violet), var(--shadow-card);
  position: relative; overflow: hidden;
  max-width: 860px; margin: 0 auto;
}
.generator-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet-light), transparent);
  opacity: 0.4;
}
.gen-title {
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
  margin-bottom: 20px; display: flex; align-items: center; gap: 8px;
}
.gen-title::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 10px var(--green);
}
.url-input-wrap {
  display: flex; gap: 12px; margin-bottom: 20px;
}
.url-field {
  flex: 1; font-family: var(--font-mono); font-size: 14px;
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md); padding: 16px 20px;
  outline: none; transition: all .2s;
}
.url-field::placeholder { color: var(--text-muted); }
.url-field:focus {
  border-color: rgba(124,58,237,0.5);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
  background: rgba(124,58,237,0.04);
}
.gen-btn {
  font-family: var(--font-display); font-size: 14px; font-weight: 600;
  color: var(--white); padding: 16px 28px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--violet) 0%, #5b21b6 100%);
  border: 1px solid rgba(167,139,250,0.25);
  box-shadow: 0 0 20px rgba(124,58,237,0.3);
  cursor: pointer; transition: all .25s; white-space: nowrap;
  display: flex; align-items: center; gap: 8px; min-width: 160px; justify-content: center;
}
.gen-btn:hover {
  box-shadow: 0 0 35px rgba(124,58,237,0.5);
  transform: translateY(-1px);
}
.gen-btn:disabled {
  opacity: 0.6; cursor: not-allowed; transform: none;
}
.gen-btn .spinner {
  width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white; border-radius: 50%;
  animation: spin 0.8s linear infinite; display: none;
}
.gen-btn.loading .btn-text { display: none; }
.gen-btn.loading .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.options-row {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px;
}
.opt-chip {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.3px;
  color: var(--text-muted); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 100px;
  background: rgba(255,255,255,0.02); cursor: pointer; transition: all .18s;
  user-select: none;
}
.opt-chip.active {
  color: var(--cyan-light); border-color: rgba(6,182,212,0.3);
  background: rgba(6,182,212,0.07);
}
.opt-chip:hover { border-color: rgba(255,255,255,0.12); color: var(--text-secondary); }

/* Output Box */
.output-wrap { display: none; }
.output-wrap.visible { display: block; }
.output-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.output-label {
  font-family: var(--font-mono); font-size: 11px; color: var(--green-light);
  display: flex; align-items: center; gap: 6px;
}
.output-label::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
}
.output-actions { display: flex; gap: 8px; }
.btn-action {
  font-family: var(--font-display); font-size: 12px; font-weight: 500;
  color: var(--text-secondary); padding: 7px 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03); cursor: pointer; transition: all .18s;
  display: flex; align-items: center; gap: 6px;
}
.btn-action:hover { color: var(--white); border-color: rgba(255,255,255,0.12); }
.btn-action.btn-dl {
  color: var(--green-light); border-color: rgba(110,231,183,0.25);
  background: rgba(16,185,129,0.06);
}
.btn-action.btn-dl:hover { background: rgba(16,185,129,0.12); }
.output-box {
  background: #070a12; border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md); padding: 24px;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.85;
  color: var(--text-secondary); white-space: pre-wrap;
  max-height: 420px; overflow-y: auto;
}
.output-box::-webkit-scrollbar { width: 4px; }
.output-box::-webkit-scrollbar-track { background: transparent; }
.output-box::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }
.output-box .hl-heading   { color: var(--violet-light); font-weight: 500; }
.output-box .hl-section   { color: var(--cyan-light); }
.output-box .hl-link      { color: var(--green-light); }
.output-box .hl-meta      { color: var(--text-muted); }

.error-msg {
  display: none; margin-top: 16px; padding: 14px 18px;
  background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-md);
  font-size: 13px; color: #fca5a5;
  font-family: var(--font-mono);
}
.error-msg.visible { display: block; }

/* ─── HOW IT WORKS ────────────────────────────────────────────── */
.how-section { padding: 100px 48px; }
.steps-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2px; margin-top: 0;
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  overflow: hidden;
}
.step-card {
  background: var(--bg-card); padding: 36px 28px;
  position: relative; transition: background .25s;
  border-right: 1px solid var(--border);
}
.step-card:last-child { border-right: none; }
.step-card:hover { background: var(--bg-card-alt); }
.step-num {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--violet-light); margin-bottom: 20px;
  opacity: 0.7;
}
.step-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 20px;
}
.step-title { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 10px; letter-spacing: -0.3px; font-family: var(--font-display); }
h3.step-title { font-size: 17px; }
.step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }

/* ─── FEATURES ────────────────────────────────────────────────── */
.features-section { padding: 100px 48px; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: all .25s; position: relative; overflow: hidden;
}
.feature-card::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top left, var(--violet-glow), transparent 60%);
  opacity: 0; transition: opacity .3s;
  pointer-events: none;
}
.feature-card:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.feature-card:hover::after { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 20px;
  border: 1px solid var(--border);
}
.fi-violet { background: rgba(124,58,237,0.1); border-color: rgba(124,58,237,0.2); }
.fi-cyan   { background: rgba(6,182,212,0.1);  border-color: rgba(6,182,212,0.2); }
.fi-green  { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); }
.feature-title { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 10px; letter-spacing: -0.3px; font-family: var(--font-display); }
h3.feature-title { font-size: 18px; }
.feature-desc  { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ─── WHAT IS LLMS.TXT ────────────────────────────────────────── */
.edu-section { padding: 100px 48px; }
.edu-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start;
}
.edu-content h2 { margin-bottom: 20px; }
.edu-content p  { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 18px; }
.edu-example {
  background: #070a12; border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-violet);
}
.edu-example-header {
  display: flex; align-items: center; gap: 8px; padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.win-dot { width: 10px; height: 10px; border-radius: 50%; }
.wd-red   { background: #ff5f56; }
.wd-yellow{ background: #ffbd2e; }
.wd-green { background: #27c93f; }
.edu-example-filename {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
  margin-left: auto;
}
.edu-example pre {
  font-family: var(--font-mono); font-size: 12.5px; line-height: 2;
  padding: 24px; color: var(--text-secondary);
  overflow-x: auto; white-space: pre;
}
.edu-example pre .c-violet { color: var(--violet-light); }
.edu-example pre .c-cyan   { color: var(--cyan-light); }
.edu-example pre .c-green  { color: var(--green-light); }
.edu-example pre .c-muted  { color: var(--text-muted); }

/* ─── COMPARISON ─────────────────────────────────────────────── */
.compare-section { padding: 80px 48px; }
.compare-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; margin-top: 48px;
}
.compare-table th {
  padding: 20px 24px; text-align: left;
  background: var(--bg-card); font-size: 13px; font-weight: 600;
  color: var(--text-secondary); border-bottom: 1px solid var(--border);
}
.compare-table th:first-child { color: var(--text-muted); font-weight: 400; }
.compare-table td {
  padding: 18px 24px; font-size: 14px; color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table td:first-child { color: var(--text-primary); font-weight: 500; }
.compare-table tr:hover td { background: rgba(255,255,255,0.01); }
.badge-yes { color: var(--green-light); font-weight: 600; }
.badge-no  { color: var(--text-muted); }
.badge-partial { color: var(--cyan-light); }
.col-highlight th, .col-highlight td { background: rgba(124,58,237,0.04); }

/* ─── FAQ ────────────────────────────────────────────────────── */
.faq-section { padding: 100px 48px; }
.faq-grid { max-width: 780px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border); padding: 28px 0;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  font-size: 17px; font-weight: 600; color: var(--white);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  letter-spacing: -0.2px; gap: 16px; font-family: var(--font-display);
  margin: 0; padding: 0;
}
.faq-arrow {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 100px;
  border: 1px solid var(--border); display: flex; align-items: center;
  justify-content: center; font-size: 14px; color: var(--text-muted);
  transition: all .25s;
}
.faq-item.open .faq-arrow { transform: rotate(45deg); border-color: var(--violet-light); color: var(--violet-light); }
.faq-a {
  font-size: 15px; color: var(--text-secondary); line-height: 1.75;
  max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s;
}
.faq-item.open .faq-a { max-height: 300px; padding-top: 16px; }

/* ─── FINAL CTA ───────────────────────────────────────────────── */
.cta-section {
  padding: 120px 48px; text-align: center; position: relative; overflow: hidden;
}
.cta-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section h2 {
  font-size: clamp(36px, 4.5vw, 56px); font-weight: 800;
  letter-spacing: -2px; color: var(--white); max-width: 640px;
  margin: 0 auto 20px; line-height: 1.08;
}
.cta-section p {
  font-size: 18px; color: var(--text-secondary); max-width: 480px;
  margin: 0 auto 40px; line-height: 1.7;
}
.cta-mono {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
  margin-top: 20px; display: block;
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border); padding: 60px 48px 40px;
  background: var(--bg-deep);
}
.footer-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px;
  margin-bottom: 48px;
}
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin-top: 12px; max-width: 280px; }
.footer-col h4 { font-size: 12px; font-weight: 600; color: var(--text-secondary); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--text-muted); transition: color .18s; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  max-width: 1280px; margin: 0 auto;
  border-top: 1px solid var(--border); padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }
.footer-mono { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); opacity: 0.5; }

/* ─── Scroll Animations ─────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid      { grid-template-columns: 1fr; gap: 48px; }
  .hero-h1        { font-size: 42px; }
  #viz-canvas     { height: 280px; }
  .features-grid  { grid-template-columns: 1fr 1fr; }
  .steps-grid     { grid-template-columns: 1fr 1fr; }
  .edu-grid       { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-nav       { padding: 0 24px; }
  .nav-links      { display: none; }
  .hero-section   { padding: 100px 24px 60px; }
  .tool-section, .how-section, .features-section,
  .edu-section, .compare-section, .faq-section,
  .cta-section    { padding: 70px 24px; }
  .features-grid  { grid-template-columns: 1fr; }
  .steps-grid     { grid-template-columns: 1fr; }
  .url-input-wrap { flex-direction: column; }
  .compare-table  { font-size: 12px; }
  .footer-grid    { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom  { flex-direction: column; gap: 12px; text-align: center; }
}

/* ─── EDU SUBHEAD ────────────────────────────────────────────── */
.edu-subhead {
  font-size: 19px; font-weight: 700; color: var(--white);
  letter-spacing: -0.4px; margin: 28px 0 12px;
  font-family: var(--font-display);
}

/* ─── WHY AI VISIBILITY ──────────────────────────────────────── */
.why-section { padding: 100px 48px; background: var(--bg-deep); }
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 48px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  transition: all .25s;
}
.why-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
}
.why-icon { font-size: 28px; margin-bottom: 16px; }
.why-title {
  font-size: 18px; font-weight: 700; color: var(--white);
  letter-spacing: -0.3px; margin-bottom: 12px;
  font-family: var(--font-display);
}
h3.why-title { font-size: 18px; }
.why-body {
  font-size: 14px; color: var(--text-secondary); line-height: 1.75;
}

@media (max-width: 1024px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-section { padding: 70px 24px; }
}

/* ─── SVG Step Icons ─────────────────────────────────────────── */
.step-icon-svg {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: rgba(124,58,237,0.08); border: 1px solid rgba(124,58,237,0.18);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}

/* ─── SVG Feature Icons ──────────────────────────────────────── */
.feature-icon-svg {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; border: 1px solid var(--border);
}
.feature-icon-svg.fi-violet { background: rgba(124,58,237,0.08); border-color: rgba(124,58,237,0.2); }
.feature-icon-svg.fi-cyan   { background: rgba(6,182,212,0.08);  border-color: rgba(6,182,212,0.2); }
.feature-icon-svg.fi-green  { background: rgba(16,185,129,0.08); border-color: rgba(16,185,129,0.2); }

/* ─── Why section SVG icons ──────────────────────────────────── */
.why-icon-svg {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: rgba(124,58,237,0.07); border: 1px solid rgba(124,58,237,0.15);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}

/* ─── Crawl badge ────────────────────────────────────────────── */
.crawl-badge {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--green-light); letter-spacing: 0.3px;
  background: rgba(16,185,129,0.08); border: 1px solid rgba(110,231,183,0.2);
  padding: 4px 10px; border-radius: 100px;
  align-items: center; gap: 5px;
}
.crawl-badge::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green);
  display: inline-block;
}

/* ─── Nav logo image ─────────────────────────────────────────── */
.nav-logo img { display: block; height: 32px; width: auto; }
