:root {
      --bg: #0D0F14;
      --bg-card: #13161D;
      --bg-section: #0A0C10;
      --ink: #F0F2F8;
      --ink-muted: #8A8FA8;
      --accent: #4F8EF7;
      --accent2: #7C5CFC;
      --accent-lt: rgba(79,142,247,0.1);
      --border: rgba(255,255,255,0.07);
      --border-strong: rgba(255,255,255,0.12);
      --radius: 12px;
      --radius-lg: 20px;
      --shadow: 0 4px 32px rgba(0,0,0,0.4);
      --glow: 0 0 40px rgba(79,142,247,0.15);
      --font-serif: 'Playfair Display', serif;
      --font-sans: 'Inter', sans-serif;
      --nav-h: 70px;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
    body { font-family: var(--font-sans); background: var(--bg); color: var(--ink); line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
    img { max-width: 100%; display: block; height: auto; }
    a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
    button { -webkit-tap-highlight-color: transparent; cursor: pointer; }
    ul { list-style: none; }
    /* Better touch targets on mobile */
    @media (pointer: coarse) {
      .btn, .nav-links a, .mobile-menu a { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; }
    }

    /* ── UTILITY ── */
    .container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
    .section { padding: 100px 0; }
    .section-label {
      font-size: 11px; font-weight: 600; letter-spacing: .2em;
      text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
      display: flex; align-items: center; gap: 10px;
    }
    .section-label::before {
      content: ''; width: 28px; height: 1.5px; background: var(--accent);
    }
    .section-title {
      font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 2.9rem);
      line-height: 1.2; color: var(--ink); margin-bottom: 16px;
    }
    .section-sub { font-size: 1rem; color: var(--ink-muted); max-width: 520px; margin-bottom: 56px; line-height: 1.75; }
    .btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 13px 28px; border-radius: 8px; font-family: var(--font-sans);
      font-size: .875rem; font-weight: 600; cursor: pointer; transition: all .22s ease; border: none; letter-spacing: .02em;
    }
    .btn-primary { background: var(--accent); color: #fff; }
    .btn-primary:hover { background: #3a7ae8; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,142,247,0.4); }
    .btn-outline { background: transparent; color: var(--ink); border: 1.5px solid var(--border-strong); }
    .btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

    /* ── REVEAL ── */
    .reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s ease, transform .65s ease; will-change: opacity, transform; }
    .reveal.visible { opacity: 1; transform: none; }
    .reveal-delay-1 { transition-delay: .1s; }
    .reveal-delay-2 { transition-delay: .2s; }
    .reveal-delay-3 { transition-delay: .3s; }
    .reveal-delay-4 { transition-delay: .4s; }
    /* Performance optimization for animations */
    @media (prefers-reduced-motion: reduce) {
      .reveal { transition: none; opacity: 1; transform: none; }
      html { scroll-behavior: auto; }
    }

    /* ── NAV ── */
    #navbar {
      position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
      z-index: 100; background: rgba(13,15,20,.9);
      backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid transparent; transition: border-color .3s;
      -webkit-transform: translateZ(0); transform: translateZ(0); /* Hardware acceleration */
    }
    #navbar.scrolled { border-color: var(--border); }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
    .nav-logo { font-family: var(--font-serif); font-size: 1.35rem; color: var(--ink); }
    .nav-logo span { color: var(--accent); }
    .nav-links { display: flex; gap: 30px; }
    .nav-links a { font-size: .82rem; font-weight: 500; color: var(--ink-muted); position: relative; transition: color .2s; }
    .nav-links a::after { content: ''; position: absolute; bottom: -3px; left: 0; width: 0; height: 1.5px; background: var(--accent); transition: width .25s ease; }
    .nav-links a:hover, .nav-links a.active { color: var(--ink); }
    .nav-links a.active::after, .nav-links a:hover::after { width: 100%; }
    .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
    .hamburger span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: all .3s; }
    .hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
    .mobile-menu { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 20px 28px 28px; z-index: 99; flex-direction: column; -webkit-transform: translateZ(0); transform: translateZ(0); }
    .mobile-menu.open { display: flex; }
    .mobile-menu a { font-size: .95rem; font-weight: 500; color: var(--ink-muted); padding: 13px 0; border-bottom: 1px solid var(--border); transition: color .2s; }
    .mobile-menu a:hover { color: var(--accent); }

    /* ── HERO ── */
    #hero {
      min-height: 100vh; display: flex; align-items: center;
      padding-top: var(--nav-h); position: relative; overflow: hidden;
    }
    .hero-grid-bg {
      position: absolute; inset: 0; pointer-events: none;
      background-image: linear-gradient(rgba(79,142,247,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79,142,247,.04) 1px, transparent 1px);
      background-size: 60px 60px;
    }
    .hero-glow {
      position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none;
    }
    .hero-glow:nth-child(2) { width: 500px; height: 500px; background: rgba(79,142,247,0.12); top: -100px; right: -100px; }
    .hero-glow:nth-child(3) { width: 350px; height: 350px; background: rgba(124,92,252,0.1); bottom: 0; left: -80px; }
    .hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: 80px; align-items: center; width: 100%; }
    .hero-eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
    .hero-dot { width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 10px #3ddc84; animation: pulse 2s infinite; }
    @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
    .hero-eyebrow-text { font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
    .hero-title { font-family: var(--font-serif); font-size: clamp(2.6rem, 5vw, 4.2rem); line-height: 1.1; margin-bottom: 22px; }
    .hero-title .line2 { font-style: italic; color: var(--accent); }
    .hero-desc { font-size: 1.05rem; color: var(--ink-muted); margin-bottom: 36px; max-width: 440px; line-height: 1.8; }
    .hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-stats { display: flex; gap: 36px; margin-top: 56px; padding-top: 36px; border-top: 1px solid var(--border); }
    .hero-stat-num { font-family: var(--font-serif); font-size: 2.2rem; line-height: 1; color: var(--ink); }
    .hero-stat-num span { color: var(--accent); }
    .hero-stat-label { font-size: .75rem; color: var(--ink-muted); margin-top: 4px; letter-spacing: .04em; }
    .hero-photo-wrap { position: relative; display: flex; justify-content: center; }
    .hero-photo-ring {
      width: 380px; height: 460px; border-radius: var(--radius-lg);
      position: relative; padding: 3px;
      background: linear-gradient(135deg, var(--accent), var(--accent2));
    }
    .hero-photo-inner { border-radius: calc(var(--radius-lg) - 3px); overflow: hidden; width: 100%; height: 100%; }
    .hero-photo-inner img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
    .hero-badge {
      position: absolute; bottom: 24px; left: -28px;
      background: var(--bg-card); border: 1px solid var(--border-strong);
      border-radius: var(--radius); padding: 14px 18px;
      box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px;
    }
    .hero-badge-icon { width: 38px; height: 38px; background: var(--accent-lt); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
    .hero-badge-num { font-weight: 700; font-size: .95rem; color: var(--ink); }
    .hero-badge-text { font-size: .73rem; color: var(--ink-muted); margin-top: 2px; }
    .hero-badge2 {
      position: absolute; top: 24px; right: -24px;
      background: var(--bg-card); border: 1px solid var(--border-strong);
      border-radius: var(--radius); padding: 12px 16px;
      box-shadow: var(--shadow); display: flex; align-items: center; gap: 8px;
    }

    /* ── ABOUT ── */
    #about { background: var(--bg-card); }
    .about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: start; }
    .about-photo { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-strong); }
    .about-photo img { width: 100%; height: 480px; object-fit: cover; object-position: center top; }
    .about-tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
    .about-tag { font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--accent-lt); padding: 5px 12px; border-radius: 50px; border: 1px solid rgba(79,142,247,0.2); }
    .about-text p { color: var(--ink-muted); margin-bottom: 16px; font-size: .975rem; line-height: 1.8; }
    .about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
    .about-fact { display: flex; align-items: flex-start; gap: 10px; font-size: .85rem; color: var(--ink-muted); }
    .about-fact-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
    /* ── SKILLS ── */
    .skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
    .skill-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; transition: border-color .25s, box-shadow .25s, transform .25s; }
    .skill-card:hover { border-color: rgba(79,142,247,0.4); box-shadow: var(--glow); transform: translateY(-4px); }
    .skill-icon { font-size: 1.6rem; margin-bottom: 14px; }
    .skill-name { font-weight: 600; font-size: .9rem; margin-bottom: 10px; color: var(--ink); }
    .skill-bar-bg { height: 3px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; }
    .skill-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 2px; width: 0; transition: width 1.1s cubic-bezier(.4,0,.2,1); }
    .skill-pct { font-size: .72rem; color: var(--ink-muted); margin-top: 7px; text-align: right; }

    /* ── PORTFOLIO ── */
    #portfolio { background: var(--bg-card); }
    .portfolio-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
    .filter-btn { padding: 7px 18px; border-radius: 6px; border: 1px solid var(--border-strong); background: transparent; font-family: var(--font-sans); font-size: .8rem; font-weight: 500; cursor: pointer; color: var(--ink-muted); transition: all .2s; }
    .filter-btn.active, .filter-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-lt); }
    .portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
    .portfolio-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--bg); transition: border-color .25s, box-shadow .25s, transform .25s; cursor: pointer; }
    .portfolio-card:hover { border-color: rgba(79,142,247,0.35); box-shadow: var(--glow); transform: translateY(-5px); }
    .portfolio-thumb { width: 100%; aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; font-size: .8rem; color: var(--ink-muted); position: relative; overflow: hidden; }
    .portfolio-thumb.marketing-bg { background: linear-gradient(135deg,#1a2535,#243048); }
    .portfolio-thumb.web-bg { background: linear-gradient(135deg,#1a2535,#1f2d3d); }
    .portfolio-thumb.data-bg { background: linear-gradient(135deg,#1c1a35,#252044); }
    .portfolio-thumb-icon { font-size: 3rem; opacity: .6; }
    .portfolio-thumb-overlay { position: absolute; inset: 0; background: rgba(13,15,20,.85); opacity: 0; display: flex; align-items: center; justify-content: center; transition: opacity .25s; }
    .portfolio-card:hover .portfolio-thumb-overlay { opacity: 1; }
    .portfolio-thumb-overlay span { color: #fff; font-size: .82rem; font-weight: 600; border: 1.5px solid rgba(255,255,255,.35); padding: 9px 20px; border-radius: 6px; }
    .portfolio-info { padding: 22px; }
    .portfolio-tag { font-size: .69rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
    .portfolio-title { font-weight: 600; font-size: .97rem; margin-bottom: 8px; color: var(--ink); }
    .portfolio-desc { font-size: .83rem; color: var(--ink-muted); line-height: 1.65; }

    /* ── SERVICES ── */
    .services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
    .service-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 26px; background: var(--bg-card); transition: border-color .25s, box-shadow .25s, transform .25s; position: relative; overflow: hidden; }
    .service-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); transform: scaleX(0); transition: transform .35s ease; transform-origin: left; }
    .service-card:hover::after { transform: scaleX(1); }
    .service-card:hover { border-color: rgba(79,142,247,0.3); box-shadow: var(--glow); transform: translateY(-4px); }
    .service-num { font-size: .72rem; font-weight: 700; letter-spacing: .15em; color: var(--ink-muted); margin-bottom: 18px; opacity: .5; }
    .service-icon { font-size: 1.8rem; margin-bottom: 14px; }
    .service-name { font-weight: 600; font-size: 1.05rem; margin-bottom: 10px; color: var(--ink); }
    .service-desc { font-size: .875rem; color: var(--ink-muted); line-height: 1.7; }

    /* ── TESTIMONIALS ── */
    #testimonials { background: var(--bg-section); }
    .testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
    .testi-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: border-color .25s, box-shadow .25s; }
    .testi-card:hover { border-color: rgba(79,142,247,0.3); box-shadow: var(--glow); }
    .testi-stars { color: #f5c842; font-size: .95rem; letter-spacing: 2px; margin-bottom: 16px; }
    .testi-quote { font-size: .93rem; line-height: 1.75; color: var(--ink-muted); margin-bottom: 22px; font-style: italic; }
    .testi-author { display: flex; align-items: center; gap: 12px; }
    .testi-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent2)); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .88rem; color: #fff; flex-shrink: 0; }
    .testi-name { font-weight: 600; font-size: .88rem; color: var(--ink); }
    .testi-role { font-size: .76rem; color: var(--ink-muted); margin-top: 2px; }

    /* ── BLOG ── */
    .blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
    .blog-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: border-color .25s, box-shadow .25s, transform .25s; display: flex; flex-direction: column; }
    .blog-card:hover { border-color: rgba(79,142,247,0.3); box-shadow: var(--glow); transform: translateY(-4px); }
    .blog-thumb { width: 100%; aspect-ratio: 16/8; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
    .blog-thumb.blog-bg1 { background: linear-gradient(135deg,#1a2535,#243048); }
    .blog-thumb.blog-bg2 { background: linear-gradient(135deg,#1a2830,#1f3d3a); }
    .blog-thumb.blog-bg3 { background: linear-gradient(135deg,#1c1a35,#252044); }
    .blog-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
    .blog-meta { display: flex; gap: 12px; font-size: .71rem; color: var(--ink-muted); margin-bottom: 10px; }
    .blog-cat { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
    .blog-title { font-weight: 600; font-size: .97rem; line-height: 1.45; margin-bottom: 10px; color: var(--ink); transition: color .2s; }
    .blog-card:hover .blog-title { color: var(--accent); }
    .blog-excerpt { font-size: .84rem; color: var(--ink-muted); line-height: 1.65; flex: 1; }
    .blog-readmore { display: inline-flex; align-items: center; gap: 5px; margin-top: 16px; font-size: .8rem; font-weight: 600; color: var(--accent); }

    /* ── CONTACT ── */
    #contact { background: var(--bg-card); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; align-items: start; }
    .contact-info-block h3 { font-family: var(--font-serif); font-size: 2rem; line-height: 1.2; margin-bottom: 16px; color: var(--ink); }
    .contact-info-block p { font-size: .95rem; color: var(--ink-muted); margin-bottom: 36px; line-height: 1.75; }
    .contact-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
    .contact-item-icon { width: 42px; height: 42px; background: var(--accent-lt); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.1rem; border: 1px solid rgba(79,142,247,0.2); }
    .contact-item-label { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-muted); margin-bottom: 2px; }
    .contact-item-val { font-size: .9rem; font-weight: 500; color: var(--ink); }
    .contact-form-wrap { background: var(--bg); border-radius: var(--radius-lg); padding: 38px; border: 1px solid var(--border); }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
    .form-group label { font-size: .75rem; font-weight: 600; color: var(--ink-muted); text-transform: uppercase; letter-spacing: .07em; }
    .form-group input, .form-group textarea, .form-group select {
      padding: 12px 16px; border: 1px solid var(--border-strong); border-radius: 8px;
      background: var(--bg-card); font-family: var(--font-sans); font-size: .875rem;
      color: var(--ink); outline: none; transition: border-color .2s; resize: none;
    }
    .form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,142,247,0.1); }
    .form-group select option { background: var(--bg-card); }
    .form-group textarea { min-height: 130px; }
    #formMsg { font-size: .86rem; margin-top: 10px; min-height: 20px; }

    /* ── FOOTER ── */
    footer { background: var(--bg-section); color: var(--ink-muted); padding: 48px 0; text-align: center; border-top: 1px solid var(--border); }
    .footer-logo { font-family: var(--font-serif); font-size: 1.5rem; color: var(--ink); margin-bottom: 14px; }
    .footer-logo span { color: var(--accent); }
    .footer-links { display: flex; justify-content: center; gap: 28px; margin-bottom: 22px; flex-wrap: wrap; }
    .footer-links a { font-size: .8rem; color: var(--ink-muted); transition: color .2s; }
    .footer-links a:hover { color: var(--accent); }
    .footer-copy { font-size: .78rem; color: var(--ink-muted); opacity: .6; }

    /* ── MODALS (project preview + blog article) ── */
    .modal-overlay {
      position: fixed; inset: 0; z-index: 500; background: rgba(6,7,10,.82);
      backdrop-filter: blur(6px); display: none; align-items: flex-start; justify-content: center;
      padding: 40px 20px; overflow-y: auto;
    }
    .modal-overlay.open { display: flex; }
    .modal-box {
      background: var(--bg-card); border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
      max-width: 900px; width: 100%; margin: auto 0; box-shadow: 0 20px 80px rgba(0,0,0,.6);
      overflow: hidden; animation: modalIn .28s ease;
    }
    @keyframes modalIn { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }
    .modal-head {
      display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
      padding: 26px 30px; border-bottom: 1px solid var(--border);
    }
    .modal-tag { font-size: .69rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
    .modal-title { font-family: var(--font-serif); font-size: 1.5rem; color: var(--ink); line-height: 1.25; }
    .modal-close {
      flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border-strong);
      background: transparent; color: var(--ink-muted); font-size: 1.1rem; cursor: pointer; transition: all .2s;
      display: flex; align-items: center; justify-content: center;
    }
    .modal-close:hover { color: var(--ink); border-color: var(--accent); background: var(--accent-lt); }
    .modal-body { padding: 28px 30px 30px; }
    .modal-desc { color: var(--ink-muted); font-size: .92rem; line-height: 1.8; margin-bottom: 22px; }
    .modal-stats { display: flex; gap: 26px; flex-wrap: wrap; margin-bottom: 24px; padding: 18px 20px; background: var(--bg); border-radius: var(--radius); border: 1px solid var(--border); }
    .modal-stat-num { font-family: var(--font-serif); font-size: 1.3rem; color: var(--accent); }
    .modal-stat-label { font-size: .7rem; color: var(--ink-muted); margin-top: 2px; }
    .modal-frame-wrap {
      border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border-strong);
      box-shadow: var(--shadow); background: #000;
    }
    .modal-frame-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #1a1c22; }
    .modal-frame-dot { width: 9px; height: 9px; border-radius: 50%; }
    .modal-frame iframe { width: 100%; height: 480px; border: none; display: block; background: #fff; }
    .modal-article-body { color: var(--ink-muted); font-size: .95rem; line-height: 1.9; }
    .modal-article-body h4 { color: var(--ink); font-family: var(--font-serif); font-size: 1.15rem; margin: 26px 0 10px; }
    .modal-article-body p { margin-bottom: 16px; }
    .modal-article-body ul { margin: 0 0 16px 20px; list-style: disc; }
    .modal-article-body li { margin-bottom: 8px; }
    body.modal-lock { overflow: hidden; }
    @media (max-width: 600px) {
      .modal-frame iframe { height: 340px; }
      .modal-head, .modal-body { padding-left: 20px; padding-right: 20px; }
    }


    /* ── RESEARCH ── */
    #research { background: var(--bg-section); }
    .research-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(480px, 1fr)); gap: 22px; }
    .research-card {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
      padding: 28px 26px; cursor: pointer;
      transition: border-color .25s, box-shadow .25s, transform .25s;
      display: flex; flex-direction: column;
    }
    .research-card:hover { border-color: rgba(79,142,247,0.35); box-shadow: var(--glow); transform: translateY(-4px); }
    .research-card-header { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 18px; }
    .research-card-icon { font-size: 2.2rem; flex-shrink: 0; margin-top: 2px; }
    .research-card-tag { font-size: .69rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
    .research-card-title { font-weight: 600; font-size: 1rem; line-height: 1.4; color: var(--ink); }
    .research-card-body { flex: 1; margin-bottom: 18px; }
    .research-card-summary { font-size: .87rem; color: var(--ink-muted); line-height: 1.7; margin-bottom: 16px; }
    .research-card-findings { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; }
    .research-card-findings-label { font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 8px; }
    .research-card-findings-list { list-style: none; padding: 0; margin: 0; }
    .research-card-findings-list li { font-size: .82rem; color: var(--ink-muted); line-height: 1.6; padding: 4px 0 4px 18px; position: relative; }
    .research-card-findings-list li::before { content: '▸'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
    .research-card-footer { display: flex; align-items: center; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); flex-wrap: wrap; }
    .research-status-badge { font-size: .68rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: #3ddc84; background: rgba(61,220,132,.1); padding: 3px 10px; border-radius: 20px; border: 1px solid rgba(61,220,132,.2); }
    .research-connections { font-size: .72rem; color: var(--ink-muted); }
    .research-read-more { font-size: .78rem; font-weight: 600; color: var(--accent); margin-left: auto; }
    .research-card:hover .research-read-more { text-decoration: underline; }

    /* ── RESEARCH DETAIL PAGE: Related Content ── */
    .research-related-section { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); }
    .research-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
    .related-link { display: flex; align-items: center; gap: 12px; padding: 16px 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color .2s, transform .2s; }
    .related-link:hover { border-color: rgba(79,142,247,0.3); transform: translateY(-2px); }
    .related-icon { font-size: 1.3rem; flex-shrink: 0; }
    .related-type { font-size: .68rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: 2px; }
    .related-name { font-size: .85rem; color: var(--ink); line-height: 1.4; }

    /* ── RESEARCH MODAL: Related Content ── */
    .modal-article-body .research-related-section { margin-top: 32px; }
    .modal-article-body .research-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }

    /* Research and Case Study Page Styles */
    .research-article, .case-study-article {
      max-width: 900px;
      margin: 0 auto;
    }
    .research-header, .case-study-header {
      text-align: center;
      margin-bottom: 40px;
    }
    .research-meta, .case-study-meta {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 16px;
      flex-wrap: wrap;
    }
    .research-tag, .case-study-tag {
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--accent);
      background: var(--accent-lt);
      padding: 6px 12px;
      border-radius: 20px;
    }
    .research-status, .case-study-type {
      font-size: 0.75rem;
      font-weight: 500;
      color: var(--ink-muted);
      background: var(--bg-card);
      padding: 6px 12px;
      border-radius: 20px;
      border: 1px solid var(--border);
    }
    .research-title, .case-study-title {
      font-family: var(--font-serif);
      font-size: clamp(1.8rem, 4vw, 2.6rem);
      line-height: 1.2;
      color: var(--ink);
      margin-bottom: 12px;
    }
    .research-subtitle, .case-study-subtitle {
      font-size: 1.1rem;
      color: var(--ink-muted);
      line-height: 1.6;
    }
    .research-disclaimer, .case-study-disclaimer {
      margin-top: 16px;
      padding: 12px 16px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      font-size: 0.85rem;
      color: var(--ink-muted);
      line-height: 1.5;
    }
    .research-content, .case-study-content {
      color: var(--ink-muted);
      line-height: 1.8;
    }
    .research-section, .case-study-section {
      margin: 40px 0;
      padding: 24px 0;
      border-top: 1px solid var(--border);
    }
    .research-section:first-child, .case-study-section:first-child {
      border-top: none;
      padding-top: 0;
      margin-top: 0;
    }
    .research-section h2, .case-study-section h2 {
      font-family: var(--font-serif);
      font-size: 1.5rem;
      color: var(--ink);
      margin-bottom: 16px;
    }
    .research-section h3, .case-study-section h3 {
      font-size: 1.1rem;
      color: var(--ink);
      margin-bottom: 12px;
      font-weight: 600;
    }
    .research-section p, .case-study-section p {
      margin-bottom: 16px;
    }
    .research-section ul, .case-study-section ul {
      list-style: disc;
      padding-left: 24px;
      margin-bottom: 16px;
    }
    .research-section li, .case-study-section li {
      margin-bottom: 8px;
    }
    .key-findings {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px;
      margin: 20px 0;
    }
    .finding-item {
      margin-bottom: 16px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }
    .finding-item:last-child {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom: none;
    }
    .finding-item strong {
      color: var(--accent);
      display: block;
      margin-bottom: 4px;
    }
    .framework-component, .research-area, .platform-feature {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px;
      margin: 16px 0;
    }
    .framework-component h3, .research-area h3, .platform-feature h3 {
      color: var(--ink);
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    .framework-component p, .research-area p, .platform-feature p {
      color: var(--ink-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }
    .related-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .related-link {
      display: inline-flex;
      align-items: center;
      padding: 10px 16px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      color: var(--ink-muted);
      font-size: 0.85rem;
      transition: all 0.2s ease;
    }
    .related-link:hover {
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-2px);
    }
    .research-footer, .case-study-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 40px;
      padding-top: 24px;
      border-top: 1px solid var(--border);
      flex-wrap: wrap;
      gap: 16px;
    }
    .limitation-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px;
      margin: 16px 0;
    }
    .limitation-item h3 {
      color: var(--ink);
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    .limitation-item p {
      color: var(--ink-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 960px) {
      .research-grid { grid-template-columns: 1fr; }
      .hero-inner { grid-template-columns: 1fr; text-align: center; }
      .hero-eyebrow { justify-content: center; }
      .hero-desc { margin: 0 auto 36px; }
      .hero-btns { justify-content: center; }
      .hero-stats { justify-content: center; }
      .hero-photo-wrap { display: none; }
      .about-grid { grid-template-columns: 1fr; gap: 40px; }
      .contact-grid { grid-template-columns: 1fr; gap: 40px; }
      .container { padding: 0 20px; }
    }
    @media (max-width: 768px) {
      .section { padding: 72px 0; }
      .nav-links, .nav-cta { display: none; }
      .hamburger { display: flex; }
      .form-row { grid-template-columns: 1fr; }
      .hero-stats { flex-wrap: wrap; gap: 24px; }
      .section-title { font-size: 1.8rem; }
      .section-sub { font-size: 0.95rem; }
      .portfolio-grid { grid-template-columns: 1fr; }
      .blog-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .skills-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 480px) {
      .section { padding: 60px 0; }
      .container { padding: 0 16px; }
      .section-title { font-size: 1.5rem; }
      .section-sub { font-size: 0.9rem; }
      .hero-title { font-size: 2rem; }
      .btn { padding: 11px 20px; font-size: 0.8rem; }
      .nav-logo { font-size: 1.2rem; }
      .modal-frame iframe { height: 300px; }
      .modal-head, .modal-body { padding-left: 16px; padding-right: 16px; }
    }
    @media (max-width: 380px) {
      .section { padding: 48px 0; }
      .section-title { font-size: 1.3rem; }
      .hero-title { font-size: 1.8rem; }
      .btn { padding: 10px 16px; font-size: 0.75rem; }
    }
    /* Mobile landscape optimization */
    @media (max-height: 500px) and (orientation: landscape) {
      .section { padding: 40px 0; }
      #hero { min-height: auto; padding: 80px 0 40px; }
      .hero-title { font-size: 1.8rem; }
      .hero-desc { font-size: 1rem; }
    }
    /* Tablet portrait optimization */
    @media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
      .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
      .research-grid { grid-template-columns: 1fr; }
    }
    /* Desktop large screens */
    @media (min-width: 1400px) {
      .container { max-width: 1280px; }
    }
    @media (min-width: 1600px) {
      .container { max-width: 1400px; }
    }
    /* Accessibility improvements */
    @media (prefers-contrast: high) {
      :root {
        --border: rgba(255,255,255,0.2);
        --border-strong: rgba(255,255,255,0.3);
        --ink-muted: #A0A5B8;
      }
    }
    /* Dark mode enhancement for OLED displays */
    @media (prefers-color-scheme: dark) {
      :root {
        --bg: #000000;
        --bg-card: #0A0C10;
      }
    }
    /* Print styles */
    @media print {
      #navbar, .mobile-menu, .btn, .hero-btns { display: none !important; }
      body { background: white; color: black; }
      .section { padding: 40px 0; }
      .container { max-width: 100%; }
      a { text-decoration: underline; color: blue; }
    }

    /* Research and case study specific responsive */
    .research-article, .case-study-article {
      padding: 40px 0;
    }
    .research-header, .case-study-header {
      padding: 20px 0;
    }
    .research-content, .case-study-content {
      padding: 20px 0;
    }
    .research-section, .case-study-section {
      margin: 30px 0;
    }
    @media (max-width: 768px) {
      .research-article, .case-study-article {
        padding: 30px 0;
      }
      .research-header, .case-study-header {
        padding: 15px 0;
      }
      .research-content, .case-study-content {
        padding: 15px 0;
      }
      .research-section, .case-study-section {
        margin: 20px 0;
      }
      .key-findings, .framework-component, .research-area, .finding-card, .framework-section, .limitation-item {
        padding: 15px;
        margin: 10px 0;
      }
    }
    @media (max-width: 480px) {
      .research-article, .case-study-article {
        padding: 20px 0;
      }
      .research-title, .case-study-title {
        font-size: 1.5rem;
      }
      .research-subtitle, .case-study-subtitle {
        font-size: 1rem;
      }
      .key-findings, .framework-component, .research-area, .finding-card, .framework-section, .limitation-item {
        padding: 12px;
        margin: 8px 0;
      }
    }

    /* ──────────────────────────────────────────────────────────────
       EVIDENCE ARCHITECTURE — added for flagship integration
       Premium, restrained, consistent with the existing dark system.
       ────────────────────────────────────────────────────────────── */

    /* Evidence classification badge — small, typographic, not decorative */
    .evidence-badge {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: .68rem; font-weight: 600; letter-spacing: .1em;
      text-transform: uppercase; color: var(--accent);
      background: var(--accent-lt); padding: 5px 12px; border-radius: 50px;
      border: 1px solid rgba(79,142,247,0.2); white-space: nowrap;
    }
    .evidence-badge::before {
      content: ''; width: 5px; height: 5px; border-radius: 50%;
      background: var(--accent); flex-shrink: 0;
    }
    .evidence-badge.badge-framework { color: #c39bff; background: rgba(124,92,252,.08); border-color: rgba(124,92,252,.25); }
    .evidence-badge.badge-framework::before { background: #c39bff; }
    .evidence-badge.badge-analysis { color: #ffd479; background: rgba(245,200,66,.07); border-color: rgba(245,200,66,.22); }
    .evidence-badge.badge-analysis::before { background: #ffd479; }
    .evidence-badge.badge-build { color: #3ddc84; background: rgba(61,220,132,.07); border-color: rgba(61,220,132,.22); }
    .evidence-badge.badge-build::before { background: #3ddc84; }

    /* Evidence / Analysis / Recommendation / Limitations blocks */
    .evidence-block {
      border: 1px solid var(--border); border-left: 3px solid var(--border-strong);
      border-radius: var(--radius); padding: 22px 26px; margin: 22px 0;
      background: var(--bg-card);
    }
    .evidence-block__label {
      font-size: .68rem; font-weight: 700; letter-spacing: .14em;
      text-transform: uppercase; margin-bottom: 12px; display: flex; align-items: center; gap: 10px;
    }
    .evidence-block__label-icon {
      width: 18px; height: 18px; border-radius: 4px; display: inline-flex;
      align-items: center; justify-content: center; font-size: .8rem; flex-shrink: 0;
    }
    .evidence-block--evidence { border-left-color: var(--accent); }
    .evidence-block--evidence .evidence-block__label { color: var(--accent); }
    .evidence-block--evidence .evidence-block__label-icon { background: rgba(79,142,247,.15); }
    .evidence-block--analysis { border-left-color: #c39bff; }
    .evidence-block--analysis .evidence-block__label { color: #c39bff; }
    .evidence-block--analysis .evidence-block__label-icon { background: rgba(124,92,252,.15); }
    .evidence-block--recommendation { border-left-color: #ffd479; }
    .evidence-block--recommendation .evidence-block__label { color: #ffd479; }
    .evidence-block--recommendation .evidence-block__label-icon { background: rgba(245,200,66,.15); }
    .evidence-block--limitations { border-left-color: #ff8a8a; }
    .evidence-block--limitations .evidence-block__label { color: #ff8a8a; }
    .evidence-block--limitations .evidence-block__label-icon { background: rgba(255,138,138,.15); }
    .evidence-block p { color: var(--ink-muted); font-size: .92rem; line-height: 1.8; margin-bottom: 12px; }
    .evidence-block p:last-child { margin-bottom: 0; }
    .evidence-block ul { margin: 8px 0 4px 22px; list-style: disc; }
    .evidence-block li { color: var(--ink-muted); font-size: .9rem; line-height: 1.75; margin-bottom: 6px; }
    .evidence-block strong { color: var(--ink); font-weight: 600; }
    .evidence-block h5 {
      font-family: var(--font-serif); color: var(--ink); font-size: 1rem;
      margin: 14px 0 8px; font-weight: 600;
    }

    /* Inline stat strip used in flagship pages */
    .stat-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin: 24px 0; }
    .stat-strip__item {
      background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
      padding: 18px 20px;
    }
    .stat-strip__num { font-family: var(--font-serif); font-size: 1.6rem; color: var(--accent); line-height: 1.1; }
    .stat-strip__label { font-size: .72rem; color: var(--ink-muted); margin-top: 6px; letter-spacing: .03em; line-height: 1.4; }

    /* Disclaimer block — strong but not alarmist */
    .disclaimer-block {
      border: 1px solid rgba(255,138,138,.18); background: rgba(255,138,138,.04);
      border-radius: var(--radius); padding: 18px 22px; margin: 24px 0;
      font-size: .85rem; color: var(--ink-muted); line-height: 1.7;
    }
    .disclaimer-block strong { color: #ffb3b3; font-weight: 600; }

    /* Source list */
    .source-list {
      background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
      padding: 22px 26px; margin: 24px 0;
    }
    .source-list h5 {
      font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
      color: var(--ink-muted); margin-bottom: 14px;
    }
    .source-list ul { list-style: none; padding: 0; margin: 0; }
    .source-list li {
      font-size: .83rem; color: var(--ink-muted); line-height: 1.6; padding: 5px 0 5px 18px;
      position: relative;
    }
    .source-list li::before { content: '▸'; position: absolute; left: 0; color: var(--accent); }

    /* Featured Evidence grid (homepage + Work hub) */
    .featured-evidence-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px;
    }
    .featured-evidence-card {
      display: flex; flex-direction: column; background: var(--bg-card);
      border: 1px solid var(--border); border-radius: var(--radius-lg);
      padding: 28px 26px; transition: border-color .25s, box-shadow .25s, transform .25s;
      text-decoration: none; color: inherit; position: relative; overflow: hidden;
    }
    .featured-evidence-card::after {
      content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(90deg, var(--accent), var(--accent2));
      transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
    }
    .featured-evidence-card:hover {
      border-color: rgba(79,142,247,0.4); box-shadow: var(--glow); transform: translateY(-4px);
    }
    .featured-evidence-card:hover::after { transform: scaleX(1); }
    .featured-evidence-card__badge { margin-bottom: 16px; }
    .featured-evidence-card__icon { font-size: 1.6rem; margin-bottom: 14px; }
    .featured-evidence-card__title {
      font-family: var(--font-serif); font-size: 1.2rem; line-height: 1.3;
      color: var(--ink); margin-bottom: 10px; font-weight: 600;
    }
    .featured-evidence-card__desc { font-size: .87rem; color: var(--ink-muted); line-height: 1.7; flex: 1; }
    .featured-evidence-card__meta {
      display: flex; align-items: center; gap: 10px; margin-top: 18px;
      padding-top: 16px; border-top: 1px solid var(--border);
      font-size: .76rem; color: var(--ink-muted);
    }
    .featured-evidence-card__cta {
      margin-left: auto; font-weight: 600; color: var(--accent); font-size: .8rem;
    }
    .featured-evidence-card:hover .featured-evidence-card__cta { text-decoration: underline; }

    /* Featured-evidence section heading area */
    .featured-section-head { margin-bottom: 36px; }
    .featured-section-head .section-label { margin-bottom: 12px; }

    /* ROOT Method framework diagram */
    .root-diagram {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 32px 0;
    }
    .root-stage {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
      padding: 26px 22px; text-align: center; position: relative;
      transition: border-color .25s, transform .25s;
    }
    .root-stage:hover { border-color: rgba(79,142,247,.35); transform: translateY(-3px); }
    .root-stage__letter {
      font-family: var(--font-serif); font-size: 2.6rem; color: var(--accent);
      line-height: 1; margin-bottom: 12px; font-weight: 700;
    }
    .root-stage__name { font-size: .92rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; letter-spacing: .02em; }
    .root-stage__desc { font-size: .8rem; color: var(--ink-muted); line-height: 1.6; }
    .root-stage__arrow {
      position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
      color: var(--accent); font-size: 1rem; opacity: .6; z-index: 2;
    }
    .root-stage:last-child .root-stage__arrow { display: none; }
    @media (max-width: 880px) {
      .root-diagram { grid-template-columns: repeat(2, 1fr); }
      .root-stage__arrow { display: none; }
    }
    @media (max-width: 520px) {
      .root-diagram { grid-template-columns: 1fr; }
    }

    /* ROOT principle cards (the conceptual ideas before the framework) */
    .root-principle {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
      padding: 22px 24px; margin-bottom: 14px;
    }
    .root-principle__title { font-family: var(--font-serif); color: var(--ink); font-size: 1.05rem; margin-bottom: 8px; }
    .root-principle__body { font-size: .9rem; color: var(--ink-muted); line-height: 1.75; }

    /* AI-Website 5-stage workflow */
    .workflow-stages { display: flex; flex-direction: column; gap: 14px; margin: 28px 0; }
    .workflow-stage {
      display: grid; grid-template-columns: 56px 1fr; gap: 22px; align-items: start;
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
      padding: 22px 26px; transition: border-color .25s;
    }
    .workflow-stage:hover { border-color: rgba(79,142,247,.3); }
    .workflow-stage__num {
      width: 48px; height: 48px; border-radius: 50%;
      background: var(--accent-lt); border: 1px solid rgba(79,142,247,.25);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-serif); font-size: 1.15rem; color: var(--accent); font-weight: 600;
      flex-shrink: 0;
    }
    .workflow-stage__head {
      display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px;
    }
    .workflow-stage__title { font-size: 1rem; font-weight: 600; color: var(--ink); }
    .workflow-stage__owner {
      font-size: .66rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
      padding: 3px 9px; border-radius: 20px;
    }
    .workflow-stage__owner--ai { color: #3ddc84; background: rgba(61,220,132,.08); border: 1px solid rgba(61,220,132,.2); }
    .workflow-stage__owner--human { color: #ffd479; background: rgba(245,200,66,.08); border: 1px solid rgba(245,200,66,.2); }
    .workflow-stage__owner--shared { color: var(--accent); background: var(--accent-lt); border: 1px solid rgba(79,142,247,.2); }
    .workflow-stage__desc { font-size: .88rem; color: var(--ink-muted); line-height: 1.7; }
    .workflow-stage__desc strong { color: var(--ink); }

    /* Comparison columns (used by BYD: discount vs experience, ad vs conversation) */
    .compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0; }
    .compare-col {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
      padding: 22px 24px;
    }
    .compare-col__title {
      font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
      color: var(--ink-muted); margin-bottom: 14px;
    }
    .compare-col--a .compare-col__title { color: var(--ink-muted); }
    .compare-col--b .compare-col__title { color: var(--accent); }
    .compare-col ul { list-style: none; padding: 0; margin: 0; }
    .compare-col li {
      font-size: .88rem; color: var(--ink-muted); line-height: 1.7; padding: 5px 0 5px 22px;
      position: relative;
    }
    .compare-col--a li::before { content: '✕'; position: absolute; left: 0; color: #ff8a8a; font-weight: 700; }
    .compare-col--b li::before { content: '✓'; position: absolute; left: 0; color: #3ddc84; font-weight: 700; }
    @media (max-width: 640px) { .compare-grid { grid-template-columns: 1fr; } }

    /* Opportunity scoring matrix (Pathao) */
    .opportunity-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 24px 0; }
    .opportunity-card {
      background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
      padding: 24px 22px;
    }
    .opportunity-card__num {
      font-size: .7rem; font-weight: 700; letter-spacing: .14em; color: var(--accent); margin-bottom: 8px;
    }
    .opportunity-card__name { font-family: var(--font-serif); font-size: 1.1rem; color: var(--ink); margin-bottom: 14px; font-weight: 600; }
    .opportunity-card__rows { display: flex; flex-direction: column; gap: 6px; }
    .opportunity-card__row {
      display: flex; justify-content: space-between; font-size: .8rem;
      padding: 4px 0; border-bottom: 1px dashed var(--border);
    }
    .opportunity-card__row:last-child { border-bottom: none; }
    .opportunity-card__row-key { color: var(--ink-muted); }
    .opportunity-card__row-val { color: var(--ink); font-weight: 500; }
    @media (max-width: 640px) { .opportunity-grid { grid-template-columns: 1fr; } }

    /* Phase roadmap (Pathao recommendation) */
    .roadmap-stages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0; }
    .roadmap-stage {
      background: var(--bg-card); border: 1px solid var(--border); border-top: 3px solid var(--accent);
      border-radius: var(--radius); padding: 20px 22px;
    }
    .roadmap-stage__when {
      font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
      color: var(--accent); margin-bottom: 6px;
    }
    .roadmap-stage__title { font-family: var(--font-serif); color: var(--ink); font-size: 1rem; margin-bottom: 10px; }
    .roadmap-stage__body { font-size: .83rem; color: var(--ink-muted); line-height: 1.65; }
    @media (max-width: 768px) { .roadmap-stages { grid-template-columns: 1fr; } }

    /* Subsection heading inside flagship pages */
    .flagship-section {
      margin: 36px 0; padding-top: 28px; border-top: 1px solid var(--border);
    }
    .flagship-section:first-of-type { border-top: none; padding-top: 0; margin-top: 20px; }
    .flagship-section__num {
      font-size: .7rem; font-weight: 700; letter-spacing: .16em; color: var(--accent);
      text-transform: uppercase; margin-bottom: 8px;
    }
    .flagship-section__title {
      font-family: var(--font-serif); font-size: 1.5rem; color: var(--ink);
      line-height: 1.25; margin-bottom: 16px;
    }
    .flagship-body p { color: var(--ink-muted); font-size: .96rem; line-height: 1.85; margin-bottom: 16px; }
    .flagship-body strong { color: var(--ink); }
    .flagship-body ul { margin: 0 0 16px 22px; list-style: disc; }
    .flagship-body li { color: var(--ink-muted); font-size: .93rem; line-height: 1.8; margin-bottom: 8px; }
    .flagship-body h5 { font-family: var(--font-serif); color: var(--ink); font-size: 1.1rem; margin: 22px 0 10px; }

    /* Hero — refined to communicate WHO/WHAT/HOW/WHERE PROOF */
    .hero-eyebrow-text { letter-spacing: .14em; }
    .hero-proof-strip {
      display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 14px; margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--border);
    }
    .hero-proof-item { display: flex; align-items: flex-start; gap: 10px; }
    .hero-proof-step {
      font-family: var(--font-serif); font-size: .92rem; color: var(--accent);
      font-weight: 700; flex-shrink: 0; letter-spacing: .04em;
    }
    .hero-proof-label { font-size: .78rem; color: var(--ink-muted); line-height: 1.45; }
    .hero-proof-label strong { color: var(--ink); font-weight: 600; display: block; font-size: .82rem; margin-bottom: 2px; }

    /* Responsive — flagship pages */
    @media (max-width: 768px) {
      .stat-strip { grid-template-columns: 1fr 1fr; }
      .featured-evidence-grid { grid-template-columns: 1fr; }
      .workflow-stage { grid-template-columns: 1fr; gap: 14px; }
      .workflow-stage__num { margin-bottom: 4px; }
      .flagship-section__title { font-size: 1.25rem; }
    }
    @media (max-width: 480px) {
      .stat-strip { grid-template-columns: 1fr; }
      .evidence-block { padding: 18px 18px; }
      .source-list { padding: 18px 18px; }
    }