/* ── RESET & BASE ─────────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --ink:       #0f1923;
      --parchment: #f5f0e8;
      --white:     #ffffff;
      --navy:      #1a3a5c;
      --gold:      #c8a96e;
      --gold-light:#e8d4a8;
      --blue-mid:  #6b8cba;
      --blue-pale: #dce8f5;
      --text-body: #2c2c2c;
      --text-muted:#666666;
      --border:    #d8d0c4;

      --ff-display: 'Playfair Display', Georgia, serif;
      --ff-body:    'Inter', system-ui, sans-serif;
      --ff-mono:    'JetBrains Mono', 'Courier New', monospace;

      --max-w: 1200px;
      --section-pad: 100px 24px;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--ff-body);
      font-size: 17px;
      line-height: 1.7;
      color: var(--text-body);
      background: var(--parchment);
    }

    img { max-width: 100%; display: block; }
    a { color: inherit; }

    /* ── TYPOGRAPHY ───────────────────────────────────────────────── */
    .display-xl {
      font-family: var(--ff-display);
      font-size: clamp(2.8rem, 6vw, 5.5rem);
      font-weight: 900;
      line-height: 1.05;
      letter-spacing: -0.02em;
    }

    .display-lg {
      font-family: var(--ff-display);
      font-size: clamp(2rem, 4vw, 3.2rem);
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -0.01em;
    }

    .display-md {
      font-family: var(--ff-display);
      font-size: clamp(1.4rem, 2.5vw, 2rem);
      font-weight: 700;
      line-height: 1.25;
    }

    .label {
      font-family: var(--ff-mono);
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gold);
    }

    .body-lg { font-size: 1.1rem; line-height: 1.75; }
    .body-sm { font-size: 0.9rem; line-height: 1.6; color: var(--text-muted); }

    /* ── LAYOUT ───────────────────────────────────────────────────── */
    .container {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 24px;
    }

    section { padding: var(--section-pad); }

    /* ── NAVIGATION ───────────────────────────────────────────────── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      background: rgba(15, 25, 35, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(200, 169, 110, 0.2);
      padding: 0 24px;
    }

    .nav-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }

    .nav-logo {
      font-family: var(--ff-mono);
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--white);
      text-decoration: none;
      letter-spacing: 0.08em;
    }

    .nav-logo span { color: var(--gold); }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      font-size: 0.85rem;
      font-weight: 500;
      color: rgba(255,255,255,0.7);
      text-decoration: none;
      transition: color 0.2s;
    }

    .nav-links a:hover { color: var(--white); }

    .btn-nav {
      font-family: var(--ff-mono);
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      background: var(--gold);
      color: var(--ink);
      padding: 10px 20px;
      text-decoration: none;
      transition: background 0.2s;
    }

    .btn-nav:hover { background: var(--gold-light); }

    .nav-hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 4px;
    }

    .nav-hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--white);
      transition: all 0.3s;
    }

    /* ── HERO ─────────────────────────────────────────────────────── */
    #hero {
      min-height: 100vh;
      background: var(--ink);
      display: flex;
      align-items: center;
      padding: 120px 24px 80px;
      position: relative;
      overflow: hidden;
    }

    .hero-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 480px;
      gap: 80px;
      align-items: center;
      width: 100%;
    }

    .hero-content { position: relative; z-index: 2; }

    .hero-label {
      font-family: var(--ff-mono);
      font-size: 0.72rem;
      font-weight: 500;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 24px;
    }

    .hero-headline {
      font-family: var(--ff-display);
      font-size: clamp(3rem, 6.5vw, 6rem);
      font-weight: 900;
      line-height: 1.0;
      letter-spacing: -0.03em;
      color: var(--white);
      margin-bottom: 32px;
    }

    .hero-headline em {
      font-style: italic;
      color: var(--gold);
    }

    .hero-sub {
      font-size: 1.1rem;
      line-height: 1.75;
      color: rgba(255,255,255,0.72);
      max-width: 520px;
      margin-bottom: 48px;
    }

    .hero-ctas {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .btn-primary {
      font-family: var(--ff-mono);
      font-size: 0.78rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      background: var(--gold);
      color: var(--ink);
      padding: 14px 28px;
      text-decoration: none;
      display: inline-block;
      transition: background 0.2s, transform 0.2s;
    }

    .btn-primary:hover {
      background: var(--gold-light);
      transform: translateY(-1px);
    }

    .btn-secondary {
      font-family: var(--ff-mono);
      font-size: 0.78rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      background: transparent;
      color: rgba(255,255,255,0.8);
      padding: 13px 28px;
      text-decoration: none;
      display: inline-block;
      border: 1px solid rgba(255,255,255,0.3);
      transition: border-color 0.2s, color 0.2s;
    }

    .btn-secondary:hover {
      border-color: var(--gold);
      color: var(--gold);
    }

    /* ── PERCEPTUAL CIRCLE ────────────────────────────────────────── */
    .circle-container {
      position: relative;
      width: 480px;
      height: 480px;
      flex-shrink: 0;
    }

    #perceptual-circle {
      width: 100%;
      height: 100%;
    }

    /* ── SECTION: PROBLEM ─────────────────────────────────────────── */
    #problem {
      background: var(--white);
    }

    .section-header {
      margin-bottom: 64px;
    }

    .section-header .label { margin-bottom: 12px; display: block; }

    .pull-quote {
      font-family: var(--ff-display);
      font-size: clamp(1.2rem, 2vw, 1.6rem);
      font-style: italic;
      font-weight: 400;
      color: var(--navy);
      border-left: 3px solid var(--gold);
      padding: 20px 32px;
      margin: 48px 0;
      background: var(--blue-pale);
    }

    .three-cols {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      margin-top: 56px;
    }

    .col-card {
      padding: 32px;
      border-top: 3px solid var(--gold);
      background: var(--parchment);
    }

    .col-card .card-label {
      font-family: var(--ff-mono);
      font-size: 0.68rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 12px;
    }

    .col-card h3 {
      font-family: var(--ff-display);
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .col-card p {
      font-size: 0.92rem;
      line-height: 1.7;
      color: var(--text-muted);
    }

    /* ── SECTION: SCIENCE ─────────────────────────────────────────── */
    #science {
      background: var(--navy);
      color: var(--white);
    }

    #science .label { color: var(--gold); }

    #science .display-lg { color: var(--white); }

    #science .body-lg { color: rgba(255,255,255,0.8); }

    #science .pull-quote {
      background: rgba(255,255,255,0.07);
      border-left-color: var(--gold);
      color: var(--white);
    }

    .pillars {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      margin-top: 56px;
      background: rgba(255,255,255,0.1);
    }

    .pillar {
      background: rgba(15, 25, 35, 0.6);
      padding: 40px 32px;
    }

    .pillar-num {
      font-family: var(--ff-mono);
      font-size: 2.5rem;
      font-weight: 400;
      color: var(--gold);
      opacity: 0.4;
      line-height: 1;
      margin-bottom: 16px;
    }

    .pillar h3 {
      font-family: var(--ff-display);
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 10px;
    }

    .pillar p {
      font-size: 0.88rem;
      line-height: 1.7;
      color: rgba(255,255,255,0.65);
    }

    .pillar .pillar-ref {
      font-family: var(--ff-mono);
      font-size: 0.72rem;
      color: var(--gold);
      margin-top: 12px;
      opacity: 0.8;
    }

    .science-cta {
      margin-top: 56px;
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .btn-outline-gold {
      font-family: var(--ff-mono);
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      background: transparent;
      color: var(--gold);
      padding: 13px 28px;
      text-decoration: none;
      border: 1px solid var(--gold);
      display: inline-block;
      transition: background 0.2s, color 0.2s;
    }

    .btn-outline-gold:hover {
      background: var(--gold);
      color: var(--ink);
    }

    /* ── SECTION: FRAMEWORK ───────────────────────────────────────── */
    #framework {
      background: var(--parchment);
    }

    .framework-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: start;
      margin-top: 56px;
    }

    .construct-cards {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .construct-card {
      padding: 28px 32px;
      background: var(--white);
      border-left: 4px solid var(--gold);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .construct-card:hover {
      transform: translateX(4px);
      box-shadow: -4px 0 0 var(--gold), 0 4px 20px rgba(0,0,0,0.08);
    }

    .construct-card .card-label {
      font-family: var(--ff-mono);
      font-size: 0.68rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 8px;
    }

    .construct-card h3 {
      font-family: var(--ff-display);
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: 8px;
    }

    .construct-card p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: var(--text-muted);
    }

    .framework-text .display-md { color: var(--navy); margin-bottom: 20px; }

    .framework-text p { margin-bottom: 20px; }

    .differentiator {
      margin-top: 32px;
      padding: 28px 32px;
      background: var(--navy);
      color: var(--white);
    }

    .differentiator .label { color: var(--gold); margin-bottom: 12px; display: block; }

    .differentiator p {
      font-size: 0.95rem;
      line-height: 1.7;
      color: rgba(255,255,255,0.85);
    }

    .framework-ctas { margin-top: 32px; display: flex; gap: 16px; flex-wrap: wrap; }

    .btn-dark {
      font-family: var(--ff-mono);
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      background: var(--navy);
      color: var(--white);
      padding: 13px 24px;
      text-decoration: none;
      display: inline-block;
      transition: background 0.2s;
    }

    .btn-dark:hover { background: var(--ink); }

    .btn-outline-dark {
      font-family: var(--ff-mono);
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      background: transparent;
      color: var(--navy);
      padding: 12px 24px;
      text-decoration: none;
      display: inline-block;
      border: 1px solid var(--navy);
      transition: background 0.2s, color 0.2s;
    }

    .btn-outline-dark:hover { background: var(--navy); color: var(--white); }

    /* ── SECTION: CERTIFICATION ───────────────────────────────────── */
    #certification {
      background: var(--white);
    }

    .cert-intro {
      max-width: 680px;
      margin-bottom: 56px;
    }

    .tracks {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 48px;
    }

    .track-card {
      padding: 36px 28px;
      border: 1px solid var(--border);
      position: relative;
      transition: border-color 0.2s, transform 0.2s;
    }

    .track-card:hover {
      border-color: var(--gold);
      transform: translateY(-3px);
    }

    .track-letter {
      font-family: var(--ff-display);
      font-size: 3rem;
      font-weight: 900;
      color: var(--gold);
      opacity: 0.25;
      line-height: 1;
      margin-bottom: 12px;
    }

    .track-card .card-label {
      font-family: var(--ff-mono);
      font-size: 0.65rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 8px;
    }

    .track-card h3 {
      font-family: var(--ff-display);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .track-card p {
      font-size: 0.87rem;
      line-height: 1.65;
      color: var(--text-muted);
    }

    .cert-pricing {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      background: var(--border);
      margin-bottom: 48px;
    }

    .price-cell {
      background: var(--parchment);
      padding: 32px 28px;
    }

    .price-cell.featured {
      background: var(--navy);
      color: var(--white);
    }

    .price-cell .price-label {
      font-family: var(--ff-mono);
      font-size: 0.68rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 8px;
    }

    .price-cell h3 {
      font-family: var(--ff-display);
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: 4px;
    }

    .price-cell.featured h3 { color: var(--white); }

    .price-cell .price-amount {
      font-family: var(--ff-display);
      font-size: 2rem;
      font-weight: 900;
      color: var(--navy);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .price-cell.featured .price-amount { color: var(--gold); }

    .price-cell .price-note {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .price-cell.featured .price-note { color: rgba(255,255,255,0.65); }

    .cert-cta-area {
      text-align: center;
      padding: 48px;
      background: var(--parchment);
      border-top: 3px solid var(--gold);
    }

    .cert-cta-area .display-md { color: var(--navy); margin-bottom: 8px; }
    .cert-cta-area p { color: var(--text-muted); margin-bottom: 28px; }

    /* ── SECTION: ORGANISATIONS ───────────────────────────────────── */
    #organisations {
      background: var(--ink);
      color: var(--white);
    }

    #organisations .label { color: var(--gold); }
    #organisations .display-lg { color: var(--white); }

    .org-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: start;
      margin-top: 56px;
    }

    .org-props {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .org-prop {
      display: flex;
      gap: 20px;
      align-items: flex-start;
    }

    .org-prop-num {
      font-family: var(--ff-mono);
      font-size: 1.5rem;
      font-weight: 400;
      color: var(--gold);
      opacity: 0.5;
      flex-shrink: 0;
      width: 40px;
      line-height: 1.3;
    }

    .org-prop h3 {
      font-family: var(--ff-display);
      font-size: 1rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 6px;
    }

    .org-prop p {
      font-size: 0.88rem;
      line-height: 1.7;
      color: rgba(255,255,255,0.65);
    }

    .org-enquiry {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(200,169,110,0.3);
      padding: 40px;
    }

    .org-enquiry h3 {
      font-family: var(--ff-display);
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 8px;
    }

    .org-enquiry p {
      font-size: 0.9rem;
      color: rgba(255,255,255,0.65);
      margin-bottom: 24px;
    }

    .price-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .price-row:last-of-type { border-bottom: none; }

    .price-row-label {
      font-size: 0.88rem;
      color: rgba(255,255,255,0.65);
    }

    .price-row-amount {
      font-family: var(--ff-mono);
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--gold);
    }

    /* ── SECTION: ABOUT ───────────────────────────────────────────── */
    #about {
      background: var(--parchment);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 80px;
      align-items: start;
      margin-top: 56px;
    }

    .about-aside {
      position: sticky;
      top: 88px;
    }

    .about-name {
      font-family: var(--ff-display);
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: 4px;
    }

    .about-title {
      font-family: var(--ff-mono);
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 20px;
    }

    .about-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-top: 28px;
    }

    .about-link {
      font-family: var(--ff-mono);
      font-size: 0.72rem;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--navy);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: color 0.2s;
    }

    .about-link::before {
      content: '→';
      color: var(--gold);
    }

    .about-link:hover { color: var(--gold); }

    .about-body h3 {
      font-family: var(--ff-display);
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--navy);
      margin-bottom: 12px;
      margin-top: 36px;
    }

    .about-body h3:first-child { margin-top: 0; }

    .about-body p {
      margin-bottom: 16px;
      color: var(--text-body);
    }

    /* ── SECTION: WHITE PAPER DOWNLOAD ───────────────────────────── */
    #download {
      background: var(--navy);
      color: var(--white);
    }

    #download .label { color: var(--gold); }

    .download-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: start;
      margin-top: 56px;
    }

    .download-options {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 32px;
    }

    .download-option {
      padding: 20px 24px;
      border: 1px solid rgba(255,255,255,0.15);
      cursor: pointer;
      transition: border-color 0.2s;
    }

    .download-option:hover,
    .download-option.selected {
      border-color: var(--gold);
    }

    .download-option-title {
      font-family: var(--ff-display);
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 4px;
    }

    .download-option-desc {
      font-size: 0.82rem;
      color: rgba(255,255,255,0.55);
    }

    .download-form { display: flex; flex-direction: column; gap: 16px; }

    .form-group { display: flex; flex-direction: column; gap: 6px; }

    .form-group label {
      font-family: var(--ff-mono);
      font-size: 0.7rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--gold);
    }

    .form-group input,
    .form-group select {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.2);
      color: var(--white);
      padding: 12px 16px;
      font-family: var(--ff-body);
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.2s;
      appearance: none;
    }

    .form-group input:focus,
    .form-group select:focus {
      border-color: var(--gold);
    }

    .form-group select option { background: var(--navy); color: var(--white); }

    .form-note {
      font-size: 0.8rem;
      color: rgba(255,255,255,0.4);
      line-height: 1.5;
    }

    /* ── SECTION: FOOTER ──────────────────────────────────────────── */
    footer {
      background: var(--ink);
      color: rgba(255,255,255,0.5);
      padding: 60px 24px 40px;
      border-top: 1px solid rgba(200,169,110,0.15);
    }

    .footer-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }

    .footer-brand .nav-logo {
      display: inline-block;
      margin-bottom: 16px;
      font-size: 1rem;
    }

    .footer-brand p {
      font-size: 0.85rem;
      line-height: 1.7;
      color: rgba(255,255,255,0.4);
    }

    .footer-col h4 {
      font-family: var(--ff-mono);
      font-size: 0.68rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 16px;
    }

    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

    .footer-col a {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.45);
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-col a:hover { color: var(--white); }

    .footer-bottom {
      max-width: var(--max-w);
      margin: 0 auto;
      padding-top: 24px;
      border-top: 1px solid rgba(255,255,255,0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.3); }

    .footer-ip {
      font-family: var(--ff-mono);
      font-size: 0.68rem;
      color: rgba(255,255,255,0.2);
    }

    /* ── MOBILE NAV ───────────────────────────────────────────────── */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: var(--ink);
      padding: 24px;
      z-index: 99;
      border-bottom: 1px solid rgba(200,169,110,0.2);
    }

    .mobile-menu.open { display: flex; flex-direction: column; gap: 16px; }

    .mobile-menu a {
      font-size: 0.95rem;
      color: rgba(255,255,255,0.7);
      text-decoration: none;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    /* ── SCROLL REVEAL ────────────────────────────────────────────── */
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce) {
      .reveal { opacity: 1; transform: none; transition: none; }
    }

    /* ── RESPONSIVE ───────────────────────────────────────────────── */
    @media (max-width: 1024px) {
      .hero-inner { grid-template-columns: 1fr; }
      .circle-container { width: 340px; height: 340px; margin: 0 auto; }
      .framework-grid { grid-template-columns: 1fr; gap: 48px; }
      .about-grid { grid-template-columns: 1fr; }
      .about-aside { position: static; }
      .org-grid { grid-template-columns: 1fr; gap: 48px; }
      .download-grid { grid-template-columns: 1fr; gap: 48px; }
      .footer-inner { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      :root { --section-pad: 64px 20px; }
      .nav-links { display: none; }
      .nav-hamburger { display: flex; }
      .three-cols { grid-template-columns: 1fr; }
      .pillars { grid-template-columns: 1fr; }
      .tracks { grid-template-columns: 1fr; }
      .cert-pricing { grid-template-columns: 1fr; }
      .hero-ctas { flex-direction: column; }
      .hero-ctas .btn-primary,
      .hero-ctas .btn-secondary { text-align: center; }
      .footer-inner { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }