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

  :root {
    --navy:       #0D1B2A;
    --navy-mid:   #1A2F45;
    --navy-light: #243B55;
    --blue:       #1B6CA8;
    --blue-light: #2E86C1;
    --blue-pale:  #D6EAF8;
    --white:      #FFFFFF;
    --off-white:  #F7F9FC;
    --gray-light: #ECF0F4;
    --gray-mid:   #8896A4;
    --gray-text:  #4A5568;
    --gold:       #C9A84C;
    --gold-light: #DFC06A;
    --gold-dim:   rgba(201,168,76,0.12);
    --gold-border:rgba(201,168,76,0.3);
    --font-display:'Playfair Display', Georgia, serif;
    --font-body:  'DM Sans', system-ui, sans-serif;
    --font-mono:  'DM Mono', monospace;
  }

  html { scroll-behavior: smooth; }

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

  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3rem;
    height: 60px;
    background: rgba(13,27,42,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .nav-brand {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 0.02em;
  }
  .nav-brand span { color: var(--gold); }

  .nav-links {
    display: flex;
    gap: 0.15rem;
    list-style: none;
  }

  .nav-links a {
    display: block;
    padding: 0.38rem 0.8rem;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
  }
  .nav-links a:hover,
  .nav-links a.active {
    color: var(--white);
    background: rgba(255,255,255,0.08);
  }
  .nav-links a.active { color: var(--gold); }

  /* ── PAGES ── */
  .page { padding-top: 60px; }
  
  #page-home { overflow: hidden; height: calc(100vh - 60px); max-height: calc(100vh - 60px); }

  /* ══════════════════════════════════
     HOME PAGE
  ══════════════════════════════════ */
  .home-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: calc(100vh - 60px);
    max-height: calc(100vh - 60px);
    overflow: hidden;
    align-items: center;
  }

  .hero-left {
    padding: 2.5rem 3rem 2.5rem 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
  }

  .hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
  }

  .hero-name {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 4.5vw, 4.6rem);
    font-weight: 900;
    line-height: 0.92;
    color: var(--white);
    margin-bottom: 1rem;
  }

  .hero-title {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.45);
    line-height: 1.7;
    margin-bottom: 1.75rem;
    text-transform: uppercase;
  }

  .hero-bio {
    font-size: 0.97rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.75);
    max-width: 520px;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--gold);
    padding-left: 1.25rem;
  }

  .hero-contact {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    margin-bottom: 0.5rem;
  }
  .hero-contact a { color: var(--blue-light); text-decoration: none; }
  .hero-contact a:hover { text-decoration: underline; }

  /* hero CTA removed per request #3 */

  /* hero metrics strip */
  .hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    max-width: 500px;
  }
  .hero-metric {
    background: var(--navy-mid);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 6px;
    border-top: 2px solid var(--gold);
    padding: 0.75rem 0.5rem 0.65rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  }
  .hero-metric-num {
    display: block;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 5px;
  }
  .hero-metric-label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.38);
  }

  .hero-right {
    position: relative;
    height: 100%;
    background: var(--navy-mid);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }

  .hero-right::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse at 30% 50%, rgba(41,128,185,0.15) 0%, transparent 65%),
      radial-gradient(ellipse at 80% 20%, rgba(201,168,76,0.08) 0%, transparent 50%);
  }

  .hero-photo-wrap {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 3rem;
  }

  .hero-photo {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255,255,255,0.1);
    box-shadow: 0 0 0 12px rgba(41,128,185,0.12);
    display: block;
    margin: 0 auto 1.75rem;
  }

  .photo-placeholder {
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    border: 4px solid rgba(255,255,255,0.1);
    box-shadow: 0 0 0 12px rgba(41,128,185,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.75rem;
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(255,255,255,0.15);
  }

  .hero-quote {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-style: italic;
    color: rgba(255,255,255,0.5);
    max-width: 280px;
    line-height: 1.6;
    text-align: center;
  }
  .hero-quote strong {
    display: block;
    color: var(--gold);
    font-style: normal;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-top: 0.75rem;
  }

  /* ── PILLARS SECTION (home) — tightened for above-fold ── */
  .pillars-section {
    background: var(--off-white);
    padding: 3.5rem 5rem;
  }

  .section-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.6rem;
  }

  .section-heading {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.4rem;
  }

  .section-sub {
    font-size: 0.95rem;
    color: var(--gray-mid);
    font-style: italic;
    margin-bottom: 1.75rem;
  }

  .pillars-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    max-width: 860px;
  }

  .pillar-card {
    background: var(--white);
    border-radius: 6px;
    padding: 1.5rem 1.75rem;
    border-left: 4px solid var(--blue);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: block;
    cursor: pointer;
  }
  .pillar-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }

  .pillar-icon { font-size: 1.6rem; margin-bottom: 0.5rem; display: block; }

  .pillar-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.4rem;
  }

  .pillar-body {
    font-size: 0.86rem;
    line-height: 1.6;
    color: var(--gray-text);
  }

  .scroll-hint {
    text-align: center;
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blue);
    opacity: 0.8;
    animation: pulse 2.5s ease-in-out infinite;
  }
  .scroll-hint a { color: inherit; text-decoration: none; }
  .scroll-hint a:hover { text-decoration: underline; }

  @keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
  }

  /* ── INNER PAGES ── */
  .page-hero {
    background: var(--navy-mid);
    padding: 4rem 5rem 3.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .page-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.75rem;
  }

  .page-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 0.65rem;
    line-height: 1.05;
  }

  .page-subtitle {
    font-size: 0.97rem;
    color: rgba(255,255,255,0.5);
    font-style: italic;
    max-width: 580px;
    line-height: 1.65;
  }

  .page-content {
    padding: 2.5rem 5rem 3.5rem;
    background: var(--off-white);
    min-height: 60vh;
    color: var(--navy);
  }

  /* ── ABOUT PAGE ── */
  .about-intro {
    max-width: 760px;
    font-size: 0.97rem;
    line-height: 1.75;
    color: var(--gray-text);
    margin-bottom: 1.5rem;
  }
  .about-intro p + p { margin-top: 1.1rem; }

  .about-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    max-width: 860px;
  }

  .metric-box {
    background: var(--navy);
    border-radius: 6px;
    padding: 1rem 0.75rem;
    text-align: center;
  }

  .metric-num {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--white);
    display: block;
    line-height: 1;
    margin-bottom: 0.3rem;
  }

  .metric-label {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.45);
  }

  .about-bridge {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--navy);
    font-weight: 500;
    margin-bottom: 1rem;
    max-width: 860px;
  }

  .about-pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    max-width: 1100px;
    margin-bottom: 2rem;
  }

  /* About pillar cards are clickable anchors to detail section */
  .about-pillar-btn {
    background: var(--white);
    border-radius: 6px;
    padding: 1.1rem 1.2rem;
    border-left: 4px solid var(--blue);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: block;
    cursor: pointer;
  }
  .about-pillar-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  }

  .about-deep-dive {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.5rem;
    max-width: 860px;
  }

  .about-pillars { max-width: 860px; }

  .about-pillar {
    display: flex;
    gap: 1.5rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--gray-light);
  }
  .about-pillar:last-child { border-bottom: none; }

  .about-pillar-icon {
    font-size: 1.9rem;
    flex-shrink: 0;
    width: 2.5rem;
    text-align: center;
    padding-top: 0.1rem;
  }

  .about-pillar-text h3 {
    font-family: var(--font-display);
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.35rem;
  }

  .about-pillar-tagline {
    font-style: italic;
    color: var(--blue);
    font-size: 0.86rem;
    margin-bottom: 0.45rem;
  }

  .about-pillar-text p {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--gray-text);
  }

  /* ── PDF PAGES ── */
  .pdf-intro {
    max-width: 680px;
    font-size: 0.97rem;
    line-height: 1.75;
    color: var(--gray-text);
    margin-bottom: 1.75rem;
  }

  .pdf-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
  }

  .pdf-embed-wrap {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--gray-light);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    background: #525659;
  }

  .pdf-embed-wrap iframe {
    display: block;
    width: 100%;
    border: none;
  }

  /* ── CONTACT ── */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 900px;
  }

  .contact-block h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 1.25rem;
  }

  .contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--gray-light);
    font-size: 0.93rem;
  }
  .contact-item:last-child { border-bottom: none; }

  .contact-icon { font-size: 1.2rem; width: 1.5rem; text-align: center; color: var(--blue); flex-shrink: 0; }
  .contact-item a { color: var(--blue); text-decoration: none; }
  .contact-item a:hover { text-decoration: underline; }
  .ci-label { font-family: var(--font-mono); font-size: 0.67rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gray-mid); display: block; }

  .contact-note {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--gray-text);
    margin-bottom: 2rem;
    font-style: italic;
    border-left: 3px solid var(--blue-pale);
    padding-left: 1rem;
  }

  /* ── BTN SYSTEM ── */
  .btn {
    display: inline-block;
    padding: 0.62rem 1.4rem;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
  }
  .btn-primary { background: var(--blue); color: var(--white); }
  .btn-primary:hover { background: var(--blue-light); }
  .btn-outline { background: transparent; color: rgba(255,255,255,0.75); border: 1px solid rgba(255,255,255,0.22); }
  .btn-outline:hover { border-color: rgba(255,255,255,0.55); color: var(--white); }
  .btn-outline-dark { background: transparent; color: var(--navy); border: 1px solid var(--gray-mid); }
  .btn-outline-dark:hover { border-color: var(--navy); }
  .btn-gold { background: var(--gold); color: var(--navy); }
  .btn-gold:hover { background: var(--gold-light); }

  /* ══════════════════════════════════
     AI STACK / ARTICLES PAGE
  ══════════════════════════════════ */

  /* Stack visual */
  .stack-visual {
    max-width: 680px;
    margin: 0 auto 3.5rem;
  }

  .stack-item {
    display: flex;
    align-items: stretch;
    margin-bottom: 2px;
    transition: transform 0.2s;
    cursor: default;
  }
  .stack-item:hover { transform: translateX(5px); }

  .stack-num {
    width: 42px;
    min-width: 42px;
    background: var(--navy);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--gold);
    border-right: none;
  }

  .stack-body {
    flex: 1;
    padding: 13px 18px;
    background: var(--navy-mid);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
  }

  .stack-item:nth-child(6) .stack-body { background: rgba(201,168,76,0.08); border-color: var(--gold-border); }
  .stack-item:nth-child(6) .stack-num  { background: rgba(201,168,76,0.08); border-color: var(--gold-border); }

  .stack-name { font-weight: 600; font-size: 0.88rem; color: var(--white); }
  .stack-subtitle { font-family: var(--font-mono); font-size: 0.73rem; color: rgba(255,255,255,0.45); margin-top: 2px; }

  .stack-connector {
    display: flex;
    padding-left: 20px;
    margin: 0 0 2px;
    color: var(--gold-border);
    font-size: 16px;
    line-height: 1;
  }

  /* AI page pill tags */
  .ai-pill {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.45);
    border-radius: 2px;
    text-transform: uppercase;
    display: inline-block;
  }
  .ai-pill-gold { border-color: var(--gold-border); color: var(--gold); }

  /* Component cards */
  .components-grid { display: flex; flex-direction: column; gap: 1px; border: 1px solid rgba(255,255,255,0.07); overflow: hidden; }

  .component-card {
    background: var(--navy-mid);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
    transition: background 0.2s;
  }
  .component-card:last-child { border-bottom: none; }
  .component-card:hover { background: var(--navy-light); }

  .card-header { display: flex; align-items: center; gap: 18px; padding: 24px 28px; }
  .card-num { font-family: var(--font-mono); font-size: 11px; color: var(--gold); letter-spacing: 0.1em; min-width: 26px; }
  .card-icon { font-size: 20px; min-width: 28px; text-align: center; }
  .card-titles { flex: 1; }

  .card-title { font-family: var(--font-display); font-size: 1.18rem; font-weight: 700; color: var(--white); letter-spacing: -0.01em; }
  .card-abbr { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.15em; color: var(--gold); text-transform: uppercase; margin-top: 2px; }

  .card-body { padding: 0 28px 28px 72px; }

  .card-what {
    background: rgba(0,0,0,0.2);
    border-left: 2px solid var(--gold);
    padding: 12px 18px;
    margin-bottom: 18px;
    font-size: 0.92rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.75;
  }
  .card-what strong {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.17em;
    text-transform: uppercase;
    color: var(--gold);
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
  }

  .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }

  .info-block { background: rgba(0,0,0,0.15); padding: 14px 16px; border: 1px solid rgba(255,255,255,0.06); }
  .info-block h4 { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 7px; }
  .info-block p { font-size: 0.86rem; color: rgba(255,255,255,0.65); line-height: 1.7; }

  .pills-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }

  /* Model section */
  .model-table-wrapper { overflow-x: auto; margin-bottom: 2.5rem; }

  .model-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
  .model-table th {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold);
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid var(--gold-border);
    white-space: nowrap;
  }
  .model-table td {
    padding: 13px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    vertical-align: top;
    color: rgba(255,255,255,0.75);
    line-height: 1.6;
  }
  .model-table tr:last-child td { border-bottom: none; }
  .model-table tr:hover td { background: var(--navy-light); }
  .model-table td:first-child { font-weight: 600; color: var(--white); white-space: nowrap; }

  .mbadge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    padding: 3px 7px;
    border-radius: 2px;
    text-transform: uppercase;
    margin-left: 6px;
    vertical-align: middle;
  }
  .mbadge-prop { background: rgba(41,128,185,0.15); color: #5dade2; border: 1px solid rgba(41,128,185,0.3); }
  .mbadge-open { background: rgba(39,174,96,0.15); color: #58d68d; border: 1px solid rgba(39,174,96,0.3); }

  .model-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; margin-bottom: 2rem; }

  .model-card {
    background: var(--navy-mid);
    padding: 24px;
    border: 1px solid rgba(255,255,255,0.07);
    transition: background 0.2s;
    position: relative;
    overflow: hidden;
  }
  .model-card:hover { background: var(--navy-light); }
  .model-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
  .model-card.openai::before    { background: linear-gradient(90deg, #10a37f, transparent); }
  .model-card.anthropic::before { background: linear-gradient(90deg, var(--gold), transparent); }
  .model-card.google::before    { background: linear-gradient(90deg, #4285f4, transparent); }
  .model-card.meta::before      { background: linear-gradient(90deg, #0866ff, transparent); }

  .model-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
  .model-card h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--white); }
  .model-card .model-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: rgba(255,255,255,0.4); margin-top: 3px; }
  .model-card p { font-size: 0.86rem; color: rgba(255,255,255,0.65); line-height: 1.75; margin-bottom: 12px; }
  .model-metric { background: rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.06); padding: 10px 13px; font-size: 0.82rem; color: rgba(255,255,255,0.5); line-height: 1.6; }
  .model-metric strong { color: var(--gold); font-weight: 600; }

  /* Strategy block */
  .strategy-block {
    background: var(--navy-mid);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 32px;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
  }
  .strategy-block::before {
    content: '"';
    font-family: var(--font-display);
    font-size: 110px;
    color: rgba(201,168,76,0.07);
    position: absolute;
    top: -18px; left: 18px;
    line-height: 1;
    pointer-events: none;
  }
  .strategy-block h3 { font-family: var(--font-display); font-size: 1.2rem; color: var(--white); margin-bottom: 16px; position: relative; }
  .strategy-block p { font-size: 0.9rem; color: rgba(255,255,255,0.55); line-height: 1.8; }

  .strategy-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
  .strategy-col { background: rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.06); padding: 18px; }
  .strategy-col h4 { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
  .strategy-col ul { list-style: none; padding: 0; }
  .strategy-col ul li { font-size: 0.86rem; color: rgba(255,255,255,0.6); padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,0.05); display: flex; align-items: flex-start; gap: 8px; line-height: 1.5; }
  .strategy-col ul li:last-child { border-bottom: none; }
  .strategy-col ul li::before { content: '→'; color: var(--gold); flex-shrink: 0; margin-top: 1px; }

  /* Addl terms */
  .terms-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 2px; margin-top: 2.5rem; }
  .term-card { background: var(--navy-mid); border: 1px solid rgba(255,255,255,0.07); padding: 22px; transition: background 0.2s; }
  .term-card:hover { background: var(--navy-light); }
  .term-card h4 { font-family: var(--font-display); font-size: 0.98rem; font-weight: 700; color: var(--white); margin-bottom: 3px; }
  .term-abbr { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.13em; color: var(--gold); text-transform: uppercase; margin-bottom: 9px; }
  .term-card p { font-size: 0.83rem; color: rgba(255,255,255,0.5); line-height: 1.7; }

  /* AI page hero mantra */
  .mantra-box {
    background: var(--gold-dim);
    border: 1px solid var(--gold-border);
    border-left: 3px solid var(--gold);
    padding: 16px 24px;
    max-width: 640px;
    margin-top: 1.25rem;
  }
  .mantra-box p { font-family: var(--font-display); font-style: italic; font-size: 0.98rem; color: var(--gold-light); line-height: 1.6; }
  .mantra-box span { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-top: 8px; }

  /* Divider gold line */
  .gold-rule { width: 40px; height: 2px; background: var(--gold); margin: 0 0 2.5rem 0; }

  /* Section in AI page with dark bg */
  .ai-section {
    background: var(--navy);
    padding: 4rem 5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
  }
  .ai-section .section-label { color: var(--gold); }
  .ai-section-h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
  }
  .ai-section-intro { font-size: 0.95rem; color: rgba(255,255,255,0.5); max-width: 620px; margin-bottom: 2.5rem; line-height: 1.8; }

  /* ── FOOTER ── */
  footer {
    background: var(--navy);
    color: rgba(255,255,255,0.28);
    text-align: center;
    padding: 1.75rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    border-top: 1px solid rgba(255,255,255,0.05);
  }


  /* ══ IN THEIR WORDS ══ */
  .itw-section { margin-bottom: 3.5rem; }

  .itw-section-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--navy);
    border-left: 4px solid var(--gold);
    margin-bottom: 1.25rem;
    max-width: 100%;
  }
  .itw-category-icon { font-size: 1.5rem; flex-shrink: 0; }
  .itw-category-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 2px;
  }
  .itw-category-sub {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    font-style: italic;
  }

  .itw-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .itw-card {
    background: var(--white);
    border-radius: 6px;
    padding: 1.5rem;
    border-left: 3px solid var(--blue);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .itw-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    border-left-color: var(--gold);
  }

  .itw-quote {
    font-size: 0.88rem;
    line-height: 1.75;
    color: var(--gray-text);
    font-style: italic;
    margin-bottom: 1.25rem;
    flex: 1;
  }
  .itw-quote::before { content: '\201C'; color: var(--gold); font-family: var(--font-display); font-size: 1.4rem; line-height: 0; vertical-align: -0.4rem; margin-right: 2px; font-style: normal; }

  .itw-person {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-light);
  }
  .itw-avatar {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    background: var(--navy);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.05em;
  }
  .itw-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 1px;
  }
  .itw-title {
    font-size: 0.75rem;
    color: var(--gray-mid);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
  }

  /* stat bar */
  .itw-stat-bar {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: var(--navy);
    padding: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .itw-stat { text-align: center; }
  .itw-stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 4px;
  }
  .itw-stat-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
  }
  .itw-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.1);
  }

  /* mobile itw */
  @media (max-width: 900px) {
    .itw-grid { grid-template-columns: 1fr; }
    .itw-stat-divider { display: none; }
    .itw-stat-bar { gap: 1.5rem; }
  }

  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    nav {
      padding: 0 1rem;
      height: auto;
      flex-direction: column;
      align-items: stretch;
      gap: 0;
    }
    .nav-brand {
      padding: 0.55rem 0 0.3rem;
      font-size: 1rem;
    }
    .nav-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0;
      padding-bottom: 0.4rem;
      justify-content: flex-start;
    }
    .nav-links a {
      padding: 0.28rem 0.5rem;
      font-size: 0.65rem;
      letter-spacing: 0.05em;
    }
    .page { padding-top: 88px; }

    /* Mobile: unlock fixed height, text first then photo */
    #page-home { overflow: visible; height: auto; max-height: none; }
    .home-hero { grid-template-columns: 1fr; height: auto; max-height: none; overflow: visible; }
    .hero-left { order: 1; padding: 2rem 1.5rem 1.5rem; overflow: visible; }
    .hero-metrics { grid-template-columns: repeat(4, 1fr); max-width: 100%; gap: 0.4rem; }
    .hero-metric-num { font-size: 0.95rem; }
    .hero-right { order: 2; min-height: 260px; height: auto; }
    .hero-photo { width: 160px; height: 160px; }
    .pillars-section { padding: 3rem 1.5rem; }
    .pillars-grid { grid-template-columns: 1fr; }
    .about-pillars-grid { grid-template-columns: 1fr 1fr; }
    .page-hero { padding: 3rem 1.5rem 2.5rem; }
    .page-content { padding: 2.5rem 1.5rem; }
    .about-metrics { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .ai-section { padding: 3rem 1.5rem; }
    .two-col { grid-template-columns: 1fr; }
    .model-cards { grid-template-columns: 1fr; }
    .strategy-row { grid-template-columns: 1fr; }
    .card-body { padding: 0 16px 24px 16px; }
  }

  /* ══ ARTICLES HUB ══ */
  .hub-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1280px;
  }
  .hub-card {
    background: var(--white);
    border-radius: 8px;
    padding: 1.75rem;
    border: 1px solid var(--gray-light);
    border-top: 3px solid var(--blue);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .hub-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.1);
    border-top-color: var(--gold);
  }
  .hub-card-soon {
    border-top-color: var(--gray-light);
    background: var(--off-white);
  }
  .hub-card-soon:hover {
    transform: none;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border-top-color: var(--gray-light);
  }
  .hub-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .hub-cat {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blue);
  }
  .hub-icon { font-size: 1.75rem; }
  .hub-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.3;
  }
  .hub-desc {
    font-size: 0.87rem;
    color: var(--gray-text);
    line-height: 1.75;
    flex: 1;
  }
  .hub-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .hub-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    padding: 3px 8px;
    border: 1px solid var(--gray-light);
    color: var(--gray-mid);
    border-radius: 2px;
    text-transform: uppercase;
  }
  .hub-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    padding-top: 0.25rem;
  }
  .hub-btn-primary {
    background: var(--blue);
    color: var(--white);
    padding: 0.55rem 1.1rem;
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: background 0.2s;
  }
  .hub-btn-primary:hover { background: var(--blue-light); }
  .hub-btn-secondary {
    background: transparent;
    color: var(--gray-mid);
    padding: 0.55rem 1.1rem;
    border-radius: 5px;
    border: 1px solid var(--gray-light);
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: all 0.2s;
  }
  .hub-btn-secondary:hover {
    border-color: var(--gray-mid);
    color: var(--navy);
  }
  .hub-btn-disabled {
    background: var(--gray-light);
    color: var(--gray-mid);
    padding: 0.55rem 1.1rem;
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: default;
    display: inline-block;
  }
  @media (max-width: 1150px) {
    .hub-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 900px) {
    .hub-grid { grid-template-columns: 1fr; }
  }