/* ── Variables ─────────────────────────────────── */
:root {
  --ink:        #0d1117;
  --ink-2:      #1e2a38;
  --ink-light:  #4a5568;
  --muted:      #8896a7;
  --rule:       #e2e8f0;
  --bg:         #fafbfc;
  --white:      #ffffff;
  --accent:     #1a56db;
  --accent-2:   #0e3d8a;
  --accent-3:   #e8f0fe;
  --gold:       #c9882a;
  --gold-light: #fef3e2;
  --sans:       'DM Sans', sans-serif;
  --serif:      'Playfair Display', Georgia, serif;
  --mono:       'DM Mono', monospace;
  --max:        1160px;
  --radius:     8px;
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Utilities ─────────────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }
.section--lg { padding: 120px 0; }
.label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.label--gold { color: var(--gold); }
.serif { font-family: var(--serif); }

/* ── Nav ───────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,251,252,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-light);
  padding: 6px 14px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--ink); background: var(--rule); }
.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  border-radius: 6px;
  padding: 8px 18px !important;
  font-weight: 600 !important;
  transition: background 0.15s !important;
}
.nav-cta:hover { background: var(--accent-2) !important; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
  font-size: 1.4rem;
  line-height: 1;
}

/* ── Buttons ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26,86,219,0.3); }
.btn-secondary { background: var(--white); color: var(--ink); border: 1.5px solid var(--rule); }
.btn-secondary:hover { border-color: var(--ink); background: var(--ink); color: var(--white); }
.btn-ghost { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-ghost:hover { background: var(--accent); color: var(--white); }
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

/* ═══════════════════════════════════════════════
   HOME PAGE
═══════════════════════════════════════════════ */

/* Hero */
.hero {
  background: linear-gradient(160deg, #0d1117 0%, #1a2740 60%, #0e3d8a 100%);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 70% 40%, rgba(26,86,219,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7fa8f5;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.18;
  color: #ffffff;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero h1 em { font-style: italic; color: #7fa8f5; }
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-book-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 28px;
}
.book-cover-placeholder {
  background: linear-gradient(145deg, #1a2e4a 0%, #0e3d8a 100%);
  border-radius: 10px;
  aspect-ratio: 6/8;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}
.book-cover-placeholder::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, #7fa8f5, #1a56db);
}
.book-cover-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  text-align: center;
  line-height: 1.3;
  margin-bottom: 8px;
}
.book-cover-sub {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  text-align: center;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.book-cover-author {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
  margin-top: auto;
  font-family: var(--sans);
}
.hero-book-meta { color: rgba(255,255,255,0.65); font-size: 0.85rem; }
.hero-book-meta strong { color: white; display: block; font-size: 1rem; margin-bottom: 4px; }

/* Logos / Social Proof */
.proof {
  background: var(--white);
  border-bottom: 1px solid var(--rule);
  padding: 24px 0;
}
.proof-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.proof-label { font-size: 0.78rem; color: var(--muted); font-weight: 500; white-space: nowrap; }
.proof-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.proof-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 4px;
  background: var(--accent-3);
  color: var(--accent-2);
  font-weight: 500;
}

/* About Strip */
.about-strip {
  background: var(--white);
  padding: 80px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-photo {
  background: linear-gradient(145deg, #e8f0fe, #dbeafe);
  border-radius: 16px;
  aspect-ratio: 1;
  max-width: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule);
  font-family: var(--serif);
  font-size: 5rem;
  color: var(--accent);
  letter-spacing: -0.05em;
}
.about-text h2 {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.about-text p { color: var(--ink-light); margin-bottom: 16px; font-size: 1.02rem; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.stat-num {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label { font-size: 0.78rem; color: var(--muted); font-weight: 500; }

/* Frameworks strip */
.frameworks-strip { background: var(--bg); }
.frameworks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.fw-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all 0.2s;
  cursor: pointer;
  display: block;
}
.fw-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-3);
  transform: translateY(-2px);
}
.fw-letter {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}
.fw-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.fw-desc { font-size: 0.82rem; color: var(--ink-light); line-height: 1.5; }

/* Book Section */
.book-section { background: var(--ink); }
.book-section-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 72px;
  align-items: start;
}
.book-cover-large {
  background: linear-gradient(145deg, #1a2e4a 0%, #0e3d8a 100%);
  border-radius: 14px;
  aspect-ratio: 6/8;
  display: flex;
  flex-direction: column;
  padding: 36px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}
.book-cover-large::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  background: linear-gradient(to bottom, #7fa8f5, #1a56db, #0e3d8a);
}
.bcl-framework-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}
.bcl-framework-item {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
}
.book-info h2 {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: white;
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.book-info-subtitle { color: rgba(255,255,255,0.5); font-size: 1.05rem; margin-bottom: 28px; }
.book-info p { color: rgba(255,255,255,0.7); margin-bottom: 16px; font-size: 1.02rem; }
.book-frameworks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0;
}
.fw-badge {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  border-radius: 4px;
  background: rgba(26,86,219,0.25);
  color: #7fa8f5;
  border: 1px solid rgba(127,168,245,0.2);
}
.book-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

/* Insights strip */
.insights-strip { background: var(--white); }
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.insight-card {
  border: 1px solid var(--rule);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.2s;
  cursor: pointer;
  background: var(--white);
}
.insight-card:hover { border-color: var(--accent); box-shadow: 0 8px 24px rgba(26,86,219,0.1); transform: translateY(-2px); }
.insight-header { padding: 24px 24px 0; }
.insight-category {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.insight-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--ink);
}
.insight-excerpt { font-size: 0.85rem; color: var(--ink-light); line-height: 1.6; padding: 0 24px 20px; }
.insight-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.insight-date { font-size: 0.75rem; color: var(--muted); }
.insight-read { font-size: 0.78rem; color: var(--accent); font-weight: 600; }

/* CTA Band */
.cta-band {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  padding: 72px 0;
  text-align: center;
}
.cta-band h2 {
  font-family: var(--serif);
  font-size: 2.2rem;
  color: white;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.cta-band p { color: rgba(255,255,255,0.8); max-width: 500px; margin: 0 auto 32px; font-size: 1.05rem; }
.email-form {
  display: flex;
  gap: 8px;
  max-width: 420px;
  margin: 0 auto;
}
.email-input {
  flex: 1;
  padding: 12px 18px;
  border-radius: var(--radius);
  border: none;
  font-family: var(--sans);
  font-size: 0.9rem;
  outline: none;
}
.email-input::placeholder { color: #94a3b8; }

/* Footer */
footer {
  background: var(--ink-2);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  margin-top: 12px;
  line-height: 1.6;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.65); font-size: 0.875rem; transition: color 0.15s; }
.footer-col a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-bottom p { color: rgba(255,255,255,0.35); font-size: 0.8rem; }

/* ═══════════════════════════════════════════════
   BOOK PAGE
═══════════════════════════════════════════════ */
.book-hero {
  background: linear-gradient(160deg, #0d1117 0%, #0e2040 100%);
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
.book-hero::after {
  content: '';
  position: absolute;
  right: -200px;
  top: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,86,219,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.book-hero-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: start;
}
.book-hero-cover {
  background: linear-gradient(145deg, #1a2e4a 0%, #0e3d8a 100%);
  border-radius: 12px;
  aspect-ratio: 6/8;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}
.book-hero-cover::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: linear-gradient(to bottom, #7fa8f5, #1a56db);
}
.book-hero-info h1 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: white;
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.book-hero-subtitle { font-size: 1.05rem; color: rgba(255,255,255,0.55); margin-bottom: 24px; }
.book-hero-value {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 28px;
}
.book-hero-value p { color: rgba(255,255,255,0.75); font-size: 1rem; line-height: 1.6; }
.book-hero-value strong { color: #7fa8f5; }
.audience-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.audience-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}
.audience-pill-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #7fa8f5;
  flex-shrink: 0;
}
.book-cta-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* Frameworks section */
.fw-section { background: var(--bg); }
.fw-section-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.fw-detail-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.2s;
}
.fw-detail-card:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(26,86,219,0.08); }
.fw-detail-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.fw-detail-icon {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 48px;
}
.fw-detail-meta h3 { font-size: 1rem; font-weight: 700; margin-bottom: 2px; }
.fw-detail-meta .fw-full { font-size: 0.78rem; color: var(--muted); }
.fw-detail-desc { font-size: 0.88rem; color: var(--ink-light); line-height: 1.6; }
.fw-detail-dimensions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.fw-dim {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--accent-3);
  color: var(--accent-2);
}

/* Resources section */
.resources-section { background: var(--white); }
.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.resource-card {
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s;
  cursor: pointer;
}
.resource-card:hover { border-color: var(--accent); background: var(--accent-3); }
.resource-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--accent-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.resource-title { font-size: 0.9rem; font-weight: 700; color: var(--ink); }
.resource-desc { font-size: 0.82rem; color: var(--ink-light); line-height: 1.5; }
.resource-link { font-size: 0.78rem; color: var(--accent); font-weight: 600; margin-top: auto; }
.resource-path {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Who for section */
.who-section { background: var(--bg); }
.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.who-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 32px;
}
.who-role {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.who-title { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; margin-bottom: 12px; }
.who-list { list-style: none; }
.who-list li {
  font-size: 0.85rem;
  color: var(--ink-light);
  padding: 5px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.who-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  top: 6px;
}

/* Updates strip */
.updates-strip {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
  border-top: 1px solid #c3d4f7;
  border-bottom: 1px solid #c3d4f7;
  padding: 64px 0;
}
.updates-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.updates-text h2 { font-family: var(--serif); font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; }
.updates-text p { color: var(--ink-light); margin-bottom: 20px; }
.updates-features { list-style: none; }
.updates-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.88rem;
  color: var(--ink-light);
}
.updates-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Resource Path Strip */
.resource-path-strip {
  background: var(--ink-2);
  border-radius: 10px;
  padding: 16px 24px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.resource-path-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
}
.resource-path-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.resource-path-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: rgba(26,86,219,0.3);
  color: #7fa8f5;
  border-radius: 4px;
  border: 1px solid rgba(127,168,245,0.2);
}

/* ═══════════════════════════════════════════════
   FRAMEWORKS PAGE
═══════════════════════════════════════════════ */
.fw-page-hero {
  background: linear-gradient(160deg, #0d1117, #1a2740);
  padding: 80px 0;
  text-align: center;
}
.fw-page-hero h1 { font-family: var(--serif); font-size: 3rem; color: white; margin-bottom: 16px; letter-spacing: -0.02em; }
.fw-page-hero p { color: rgba(255,255,255,0.6); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }
.fw-full-grid { display: flex; flex-direction: column; gap: 80px; margin-top: 80px; }
.fw-full-item {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: start;
}
.fw-full-item:nth-child(even) { direction: rtl; }
.fw-full-item:nth-child(even) > * { direction: ltr; }
.fw-full-visual {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
}
.fw-big-letter {
  font-family: var(--serif);
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.fw-full-name { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-light); }
.fw-full-content h2 { font-family: var(--serif); font-size: 2rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.02em; }
.fw-full-content .fw-tagline { font-size: 1.05rem; color: var(--ink-light); margin-bottom: 20px; }
.fw-full-content p { color: var(--ink-light); margin-bottom: 16px; }
.fw-components {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 24px;
}
.fw-component {
  background: var(--accent-3);
  border-radius: 8px;
  padding: 12px 16px;
}
.fw-component-letter { font-family: var(--mono); font-size: 0.7rem; color: var(--accent); font-weight: 600; margin-bottom: 2px; }
.fw-component-name { font-size: 0.82rem; font-weight: 700; color: var(--ink); margin-bottom: 2px; }
.fw-component-desc { font-size: 0.75rem; color: var(--ink-light); }

/* ═══════════════════════════════════════════════
   ABOUT PAGE
═══════════════════════════════════════════════ */
.about-hero {
  background: linear-gradient(160deg, #0d1117, #1a2740);
  padding: 80px 0;
}
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: center;
}
.about-hero h1 { font-family: var(--serif); font-size: 2.8rem; color: white; margin-bottom: 16px; letter-spacing: -0.02em; }
.about-hero p { color: rgba(255,255,255,0.65); font-size: 1.05rem; line-height: 1.7; }
.about-photo-lg {
  background: linear-gradient(145deg, #1e3a5f, #0e3d8a);
  border-radius: 16px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 6rem;
  color: rgba(255,255,255,0.3);
  border: 1px solid rgba(255,255,255,0.1);
}
.about-body { padding: 80px 0; background: var(--white); }
.about-body-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
}
.about-body h2 { font-family: var(--serif); font-size: 1.8rem; font-weight: 700; margin-bottom: 20px; letter-spacing: -0.01em; }
.about-body p { color: var(--ink-light); margin-bottom: 16px; font-size: 1.02rem; }
.expertise-list { list-style: none; margin-top: 8px; }
.expertise-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--ink-light);
  display: flex;
  align-items: center;
  gap: 10px;
}
.expertise-list li::before { content: '▸'; color: var(--accent); font-size: 0.7rem; }
.about-sidebar h3 { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.sidebar-links { list-style: none; margin-bottom: 32px; }
.sidebar-links li { margin-bottom: 10px; }
.sidebar-links a { font-size: 0.875rem; color: var(--accent); font-weight: 500; display: flex; align-items: center; gap: 6px; }

/* ═══════════════════════════════════════════════
   SECTION HEADERS
═══════════════════════════════════════════════ */
.section-header { margin-bottom: 48px; }
.section-header h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-top: 10px;
  letter-spacing: -0.02em;
}
.section-header p { color: var(--ink-light); font-size: 1.02rem; margin-top: 12px; max-width: 560px; }
.section-header--center { text-align: center; }
.section-header--center p { margin: 12px auto 0; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .book-section-grid,
  .book-hero-grid, .about-hero-grid, .about-body-grid,
  .updates-inner { grid-template-columns: 1fr; }
  .hero-book-card { max-width: 320px; }
  .frameworks-grid { grid-template-columns: repeat(2, 1fr); }
  .insights-grid, .resources-grid, .who-grid { grid-template-columns: 1fr; }
  .fw-section-grid { grid-template-columns: 1fr; }
  .fw-full-item, .fw-full-item:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: block; }
  .nav-links { 
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 32px;
    border-bottom: 1px solid var(--rule);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .frameworks-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .email-form { flex-direction: column; }
  .fw-components { grid-template-columns: 1fr; }
  .book-cta-row { flex-direction: column; }
}