:root {
    --bg:          #C5C5C5;
    --bg-surface:  #b8b8b8;
    --red:         #8B0000;
    --red-glow:    rgba(139, 0, 0, 0.07);
    --ink:         #1A1A1A;
    --ink-mid:     #3a3a3a;
    --ink-light:   #555555;
    --white:       #ffffff;
    --border:      #1A1A1A;
    --border-mid:  #888888;
    --max-w:       1000px;
    --pad:         48px;
  }

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

  body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
  }

  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
  }

  a { color: inherit; text-decoration: none; }

  .container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad);
  }

  /* ---- NAV ---- */
  nav {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 28px var(--pad) 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }

  .nav-left { display: flex; align-items: center; }
  .logo { font-size: 13px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase; color: var(--red); }
  .logo-and { color: var(--ink); }
  .nav-links { list-style: none; display: flex; gap: 28px; }
  .nav-links a { font-size: 10px; font-weight: 500; color: var(--ink-mid); text-transform: uppercase; letter-spacing: 1.5px; transition: color 0.2s; }
  .nav-links a:hover { color: var(--ink); }
  .nav-right { display: flex; align-items: center; justify-content: flex-end; gap: 16px; }
  .nav-search { background: transparent; border: 1px solid var(--border); color: var(--ink); font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 1px; padding: 6px 12px; width: 150px; outline: none; transition: border-color 0.2s; }
  .nav-search::placeholder { color: var(--ink-light); }
  .nav-search:focus { border-color: var(--red); }

  .unit-toggle { display: flex; border: 1px solid var(--border); overflow: hidden; flex-shrink: 0; }
  .unit-toggle .u-opt { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: 1px; text-transform: uppercase; background: transparent; border: none; color: var(--ink-light); padding: 5px 10px; cursor: pointer; transition: all 0.2s; }
  .unit-toggle .u-opt.active { background: var(--ink); color: var(--white); }
  .unit-toggle .u-opt:not(.active):hover { color: var(--ink); }

  /* Divider: always inside .container so it matches content width */
  .divider {
    border: none;
    border-top: 2px solid var(--ink);
  }

  .header-line {
    max-width: var(--max-w);
    margin: 20px auto 0;
    padding: 0 var(--pad);
  }

  /* ---- HERO ---- */
  .hero { padding: 120px 0 48px; animation: fadeIn 0.6s ease-out 0.05s both; }
  .scenarios { margin-top: 16px; }
  .hero-tagline { font-size: clamp(26px, 4.5vw, 52px); font-weight: 800; line-height: 1.15; letter-spacing: -1px; color: var(--ink); text-align: center; text-transform: uppercase; }
  .hero-tagline span { color: var(--red); }

  /* ---- SCENARIOS ---- */
  .scenarios { padding: 0 0 80px; animation: fadeIn 0.5s ease-out 0.1s both; }
  .scenario-row { display: flex; gap: 24px; justify-content: center; flex-wrap: nowrap; }
  .scenario-pill { cursor: pointer; transition: color 0.2s; }
  .scenario-pill:hover .scenario-name { color: var(--red); }
  .scenario-name { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--ink-mid); line-height: 1.4; white-space: nowrap; }

  /* ---- SECTION LABEL ---- */
  .section-label { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: 3px; color: var(--red); margin-bottom: 32px; display: flex; align-items: center; gap: 16px; }
  .section-label::after { content: ''; flex: 1; height: 1px; background: var(--ink); }

  /* ---- CATEGORIES ---- */
  .categories { padding: 48px 0; animation: fadeIn 0.5s ease-out 0.15s both; }
  .cat-list { display: flex; flex-direction: column; }
  .cat-row { display: flex; text-decoration: none; color: inherit; align-items: baseline; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid var(--red); cursor: pointer; transition: background 0.2s; gap: 24px; }
  .cat-row:first-child { border-top: 1px solid var(--red); }
  .cat-row:hover { background: var(--red-glow); }
  .cat-name { font-size: 14px; font-weight: 800; color: var(--red); text-transform: uppercase; letter-spacing: 2px; white-space: nowrap; flex-shrink: 0; }
  .cat-examples { font-size: 11px; color: var(--ink-mid); text-align: right; letter-spacing: 0.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  /* ---- CTA ---- */
  .cta-section { padding: 64px 0; animation: fadeIn 0.4s ease-out 0.2s both; }
  .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
  .cta-text h2 { font-size: 16px; font-weight: 800; line-height: 1.3; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 2px; color: var(--ink); }
  .cta-text p { font-size: 14px; color: var(--ink-mid); font-weight: 400; line-height: 1.7; }
  .cta-btn { display: inline-block; background: var(--ink); border: 1px solid var(--ink); color: var(--white); font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; padding: 14px 28px; transition: all 0.2s; white-space: nowrap; flex-shrink: 0; }
  .cta-btn:hover { background: var(--red); border-color: var(--red); }

  /* ---- ARTICLES ---- */
  .articles { padding: 56px 0; animation: fadeIn 0.5s ease-out 0.25s both; }
  .article-list { display: flex; flex-direction: column; }
  .article-row { display: flex; align-items: flex-start; gap: 32px; padding: 20px 0; border-bottom: 1px solid var(--border-mid); cursor: pointer; transition: opacity 0.2s; }
  .article-row:hover { opacity: 0.6; }
  .article-row:first-child { border-top: 1px solid var(--border-mid); }
  .article-meta { display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; width: 90px; }
  .article-tag { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--red); }
  .article-time { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: var(--ink-light); }
  .article-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; color: var(--ink); }
  .article-excerpt { font-size: 13px; color: var(--ink-mid); font-weight: 400; line-height: 1.6; margin-bottom: 10px; }
  .article-read { font-size: 10px; font-weight: 700; color: var(--red); letter-spacing: 1px; }

  /* ---- FOOTER ---- */
  footer { padding: 40px 0; }
  .footer-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 32px; }
  .footer-brand { font-size: 11px; font-weight: 800; color: var(--red); letter-spacing: 2px; text-transform: uppercase; }
  .footer-nav { display: flex; gap: 28px; list-style: none; }
  .footer-nav a { font-size: 10px; font-weight: 500; color: var(--ink-mid); text-transform: uppercase; letter-spacing: 1.5px; transition: color 0.2s; }
  .footer-nav a:hover { color: var(--ink); }
  .footer-bottom { display: flex; justify-content: space-between; align-items: baseline; padding-top: 24px; border-top: 1px solid var(--border-mid); }
  .footer-tagline { font-size: 13px; color: var(--ink-mid); font-weight: 400; font-style: italic; }
  .footer-copyright { font-size: 11px; color: var(--ink-light); text-align: right; }

  /* ---- GRAB AND GO PICKS ---- */
  .picks { padding: 56px 0; animation: fadeIn 0.5s ease-out 0.2s both; }

  .picks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .pick-card {
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
  }

  .pick-img {
    height: 180px;
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border);
  }

  .pick-img-placeholder {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--ink-light);
  }

  .pick-info {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .pick-tag {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--red);
    margin-bottom: 10px;
  }

  .pick-name {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    color: var(--ink);
  }

  .pick-desc {
    font-size: 13px;
    color: var(--ink-mid);
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
  }

  .pick-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-mid);
    margin-top: auto;
  }

  .pick-price {
    font-size: 18px;
    font-weight: 800;
    color: var(--ink);
  }

  .pick-btn {
    display: inline-block;
    background: var(--ink);
    border: 1px solid var(--ink);
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 10px 20px;
    transition: all 0.2s;
    text-decoration: none;
  }

  .pick-btn:hover { background: var(--red); border-color: var(--red); }

  @media (max-width: 900px) {
    .picks-grid { grid-template-columns: 1fr; max-width: 480px; }
  }

  /* ---- SHOP GRID (5-col) ---- */
  .shop { padding: 56px 0; animation: fadeIn 0.5s ease-out 0.2s both; }
  .shop-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
  .shop-card { border: 1px solid var(--border); display: flex; flex-direction: column; }
  .shop-card .pick-img { height: 140px; }
  .shop-card .pick-info { padding: 16px; flex: 1; display: flex; flex-direction: column; }
  .shop-card .pick-tag { font-size: 8px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--red); margin-bottom: 8px; }
  .shop-card .pick-name { font-size: 12px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; color: var(--ink); }
  .shop-card .pick-bottom { padding-top: 12px; border-top: 1px solid var(--border-mid); margin-top: auto; display: flex; align-items: center; justify-content: space-between; }
  .shop-card .pick-price { font-size: 15px; font-weight: 800; color: var(--ink); }
  @media (max-width: 900px) { .shop-grid { grid-template-columns: repeat(2, 1fr); } .shop-grid .shop-card:last-child { grid-column: 1/-1; max-width: 50%; justify-self: center; } }
  @media (max-width: 480px) { .shop-grid { grid-template-columns: 1fr; } .shop-grid .shop-card:last-child { max-width: 100%; } }

  /* ---- GUIDE BUTTON ---- */
  .guides-more { margin-top: 32px; text-align: center; }

  /* ---- SOCIAL ICONS ---- */
  .footer-social { display: flex; gap: 16px; align-items: center; }
  .footer-social a { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: 1px solid var(--border-mid); transition: all 0.2s; }
  .footer-social a:hover { border-color: var(--red); }
  .footer-social a svg { width: 14px; height: 14px; fill: var(--ink-mid); transition: fill 0.2s; }
  .footer-social a:hover svg { fill: var(--red); }

  /* ---- AFFILIATE NOTICE ---- */
  .affiliate-notice { font-size: 10px; color: var(--ink-light); line-height: 1.6; margin-top: 20px; }

  @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
  nav { animation: fadeIn 0.5s ease-out; }

  /* Tablet: scenarios wrap */
  @media (max-width: 900px) {
    .scenario-row { flex-wrap: wrap; gap: 12px 24px; }
  }

  @media (max-width: 768px) {
    :root { --pad: 24px; }
    .cat-row { flex-wrap: wrap; }
    .cat-examples { display: none; }
    .article-row { flex-direction: column; gap: 8px; }
    .nav-left { display: none; }
    nav { grid-template-columns: auto 1fr; }
    .footer-top { flex-direction: column; gap: 20px; }
    .footer-bottom { flex-direction: column; gap: 12px; }
    .footer-copyright { text-align: left; }
    .cta-inner { flex-direction: column; }
  }

  /* Phone: scenarios stack */
  @media (max-width: 480px) {
    .scenario-row { flex-direction: column; align-items: flex-start; gap: 10px; }
  }
/* ---- HERO ---- */
  .cat-hero {
    padding: 48px 0 56px;
    animation: fadeIn 0.4s ease-out both;
  }

  .cat-hero h1 {
    font-size: clamp(22px, 3.5vw, 38px);
    font-weight: 800;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    line-height: 1.15;
  }

  .cat-hero-desc {
    font-size: 14px;
    color: var(--ink);
    line-height: 1.75;
    font-weight: 400;
  }

  /* ---- SUBCATEGORY ACCORDION ---- */
  .subcategories {
    padding-bottom: 48px;
    animation: fadeIn 0.4s ease-out 0.05s both;
  }

  .subcat-item { border-bottom: 2px solid var(--ink); }
  .subcat-item:first-child { border-top: 2px solid var(--ink); }

  .subcat-trigger {
    width: 100%;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
    cursor: pointer;
    gap: 24px;
    font-family: 'JetBrains Mono', monospace;
    transition: background 0.2s;
  }

  .subcat-trigger:hover { background: var(--red-glow); }

  .subcat-name {
    font-size: 13px;
    font-weight: 800;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: left;
  }

  .subcat-icon {
    font-size: 18px;
    color: var(--ink);
    flex-shrink: 0;
    transition: transform 0.3s ease;
    line-height: 1;
    font-weight: 800;
  }

  .subcat-item.open .subcat-icon { transform: rotate(45deg); }

  .subcat-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
  }

  .subcat-item.open .subcat-body {
    max-height: 15000px;
    transition: max-height 0.8s ease;
  }

  .subcat-content { padding: 8px 0 56px; }

  /* ---- TYPE INTRO ---- */
  .type-intro {
    font-size: 14px;
    color: var(--ink);
    line-height: 1.75;
    font-weight: 400;
    margin-bottom: 32px;
  }

  /* ---- TYPE SECTIONS ---- */
  .type-section {
    margin-bottom: 16px;
    padding: 22px 26px;
    border: 1px solid var(--border);
    background: rgba(197, 197, 197, 0.3);
    transition: background 0.3s;
  }

  .type-section:hover { background: rgba(184, 184, 184, 0.6); }

  .type-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
  }

  .type-name {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--ink);
  }

  .type-tag {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--red);
    border: 1px solid var(--red);
    padding: 2px 9px;
    flex-shrink: 0;
  }

  .type-desc {
    font-size: 14px;
    color: var(--ink);
    line-height: 1.75;
    font-weight: 400;
  }

  .type-specs {
    display: flex;
    gap: 24px;
    margin-top: 12px;
    flex-wrap: wrap;
  }

  .type-spec {
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.5px;
  }

  .type-spec strong { color: var(--red); }

  /* ---- WHAT TO OWN ---- */
  .own-section {
    margin-top: 28px;
    border-left: 3px solid var(--red);
    background: var(--bg-surface);
    padding: 24px 28px;
  }

  .own-label {
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--red);
    margin-bottom: 20px;
  }

  .own-list {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 0;
    list-style: none;
  }

  .own-item { display: contents; }

  .own-what {
    padding: 10px 20px 10px 0;
    border-bottom: 1px solid var(--border-mid);
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
  }

  .own-why {
    padding: 10px 0 10px 20px;
    border-bottom: 1px solid var(--border-mid);
    border-left: 1px solid var(--border-mid);
    font-size: 13px;
    font-weight: 400;
    color: var(--ink-mid);
    line-height: 1.6;
  }

  .own-item:last-child .own-what,
  .own-item:last-child .own-why {
    border-bottom: none;
  }

.scenario-hero { padding: 48px 0 56px; animation: fadeIn 0.4s ease-out both; }
  .scenario-tag { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 3px; color: var(--red); border: 1px solid var(--red); padding: 4px 12px; display: inline-block; margin-bottom: 20px; }
  .scenario-hero h1 { font-size: clamp(22px, 3.5vw, 38px); font-weight: 800; color: var(--red); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 24px; line-height: 1.15; }
  .scenario-brief { font-size: 14px; color: var(--ink); line-height: 1.85; font-weight: 400; }
  .scenario-brief p { margin-bottom: 16px; }
  .scenario-brief p:last-child { margin-bottom: 0; }

  .section-label { font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: 3px; color: var(--red); display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
  .section-label::after { content: ''; flex: 1; height: 1px; background: var(--ink); }

  .your-move { padding: 0 0 56px; animation: fadeIn 0.4s ease-out 0.05s both; }
  .phase { margin-bottom: 36px; }
  .phase:last-child { margin-bottom: 0; }
  .phase-header { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 2px; color: var(--ink); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border-mid); }
  .phase-number { color: var(--red); margin-right: 8px; }
  .move-item { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--border-mid); }
  .move-item:last-child { border-bottom: none; }
  .move-info { flex: 1; }
  .move-name { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
  .move-why { font-size: 13px; color: var(--ink-mid); font-weight: 400; line-height: 1.6; }
  .move-link { display: inline-block; font-size: 9px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--white); background: var(--ink); border: 1px solid var(--ink); padding: 8px 16px; white-space: nowrap; flex-shrink: 0; transition: all 0.2s; }
  .move-link:hover { background: var(--red); border-color: var(--red); }

  .books-section { padding: 0 0 56px; animation: fadeIn 0.4s ease-out 0.1s both; }
  .book-card { display: flex; gap: 28px; padding: 28px; border: 1px solid var(--border); background: rgba(197, 197, 197, 0.3); margin-bottom: 16px; transition: background 0.3s; }
  .book-card:last-child { margin-bottom: 0; }
  .book-card:hover { background: rgba(184, 184, 184, 0.6); }

.guide-hero { padding:48px 0 56px;animation:fadeIn 0.4s ease-out both; }
  .guide-tag { font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:3px;color:var(--red);border:1px solid var(--red);padding:4px 12px;display:inline-block;margin-bottom:20px; }
  .guide-hero h1 { font-size:clamp(22px,3.5vw,38px);font-weight:800;color:var(--red);text-transform:uppercase;letter-spacing:2px;margin-bottom:24px;line-height:1.15; }
  .guide-brief { font-size:14px;color:var(--ink);line-height:1.85;font-weight:400; }
  .guide-brief p { margin-bottom:16px; }
  .guide-brief p:last-child { margin-bottom:0; }

  .section-label { font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:3px;color:var(--red);display:flex;align-items:center;gap:16px;margin-bottom:32px; }
  .section-label::after { content:'';flex:1;height:1px;background:var(--ink); }

  .guide-section { padding:0 0 56px;animation:fadeIn 0.4s ease-out 0.05s both; }
  .guide-category { margin-bottom:32px; }
  .guide-category:last-child { margin-bottom:0; }
  .guide-cat-header { font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--ink);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--ink); }
  .guide-cat-number { color:var(--red);margin-right:8px; }

  .checklist { list-style:none;display:grid;grid-template-columns:240px 1fr;gap:0; }
  .checklist-item { display:contents; }

  .check-name { padding:10px 20px 10px 0;border-bottom:1px solid var(--border-mid);font-size:13px;font-weight:600;color:var(--ink);line-height:1.5;white-space:nowrap; }
  .check-note { padding:10px 0 10px 20px;border-bottom:1px solid var(--border-mid);border-left:1px solid var(--border-mid);font-size:13px;color:var(--ink-mid);font-weight:400;line-height:1.6; }
  .checklist-item:last-child .check-name, .checklist-item:last-child .check-note { border-bottom:none; }

  .guide-note { font-size:14px;color:var(--ink);line-height:1.85;font-weight:400;margin-bottom:32px; }

  .products-section { padding:0 0 56px;animation:fadeIn 0.4s ease-out 0.1s both; }
  .size-label { font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--red);margin-bottom:16px;margin-top:40px;padding:8px 0 8px 14px;border-left:3px solid var(--red); }
  .size-label:first-child { margin-top:0; }
  .product-card { display:flex;gap:28px;padding:28px;border:1px solid var(--border);background:rgba(197,197,197,0.3);margin-bottom:16px;transition:background 0.3s; }
  .product-card:hover { background:rgba(184,184,184,0.6); }
  .product-img { width:100px;min-width:100px;height:100px;background:var(--bg-raised);border:1px solid var(--border-mid);display:flex;align-items:center;justify-content:center;font-size:9px;color:var(--ink-light);text-transform:uppercase;letter-spacing:1px;flex-shrink:0; }
  .product-info { flex:1;display:flex;flex-direction:column;gap:8px; }
  .product-title { font-size:14px;font-weight:800;color:var(--ink);text-transform:uppercase;letter-spacing:1px;line-height:1.3; }
  .product-specs { font-size:11px;font-weight:600;color:var(--red);text-transform:uppercase;letter-spacing:1px; }
  .product-desc { font-size:13px;color:var(--ink-mid);font-weight:400;line-height:1.7;flex:1; }
  .product-btn { display:inline-block;align-self:flex-start;font-size:9px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--white);background:var(--ink);border:1px solid var(--ink);padding:8px 16px;transition:all 0.2s; }
  .product-btn:hover { background:var(--red);border-color:var(--red); }

  .context-links { display:flex;gap:12px;flex-wrap:wrap;margin-top:16px; }
  .context-link { font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:var(--ink-mid);border:1px solid var(--border-mid);padding:6px 14px;transition:all 0.2s; }
  .context-link:hover { color:var(--red);border-color:var(--red); }

/* ---- BOOKS & KNOWLEDGE ---- */
.essential-shelf{padding:40px 0 56px;animation:fadeIn 0.4s ease-out 0.05s both}
  .essential-desc{font-size:13px;color:var(--ink-mid);line-height:1.7;margin-bottom:32px}
  .essential-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
  .essential-card{border:1px solid var(--border);background:rgba(197,197,197,0.3);padding:18px;display:flex;flex-direction:column;gap:10px;transition:background 0.3s}
  .essential-card:hover{background:rgba(184,184,184,0.6)}
  .essential-cover{width:100%;aspect-ratio:2/3;background:var(--bg-raised);border:1px solid var(--border-mid);display:flex;align-items:center;justify-content:center;overflow:hidden}
  .essential-cover img{display:block;width:100%;height:100%;object-fit:cover}
  .essential-cover .placeholder{font-size:8px;font-weight:800;color:var(--ink-light);text-transform:uppercase;letter-spacing:1px;text-align:center;padding:8px;line-height:1.4}
  .essential-title{font-size:10px;font-weight:700;color:var(--ink);line-height:1.4}
  .essential-author{font-size:9px;color:var(--ink-mid);font-weight:400}
  .essential-why{font-size:9px;color:var(--ink-light);line-height:1.6;font-weight:400;flex:1}
  .essential-btn{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:8px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--white);background:var(--ink);border:1px solid var(--ink);padding:7px 12px;text-align:center;transition:all 0.2s}
  .essential-btn:hover{background:var(--red);border-color:var(--red)}
  .book-category{padding:0 0 48px;animation:fadeIn 0.4s ease-out 0.1s both}
  .book-list{display:flex;flex-direction:column}
  .book-row{display:grid;grid-template-columns:70px 1fr auto;gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid var(--border-mid);transition:background 0.2s}
  .book-row:first-child{border-top:1px solid var(--border-mid)}
  .book-row:hover{background:var(--red-glow)}
  .book-cover{width:70px;height:100px;background:var(--bg-raised);border:1px solid var(--border-mid);flex-shrink:0;overflow:hidden;position:relative}
  .book-cover img{display:block;width:100%;height:100%;object-fit:cover}
  .book-cover .ph{font-size:7px;font-weight:800;color:var(--ink-light);text-transform:uppercase;letter-spacing:0.5px;text-align:center;padding:4px;line-height:1.3;position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
  .book-info{min-width:0;overflow:hidden}
  .book-title-line{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin-bottom:2px}
  .book-title{font-size:12px;font-weight:700;color:var(--ink);line-height:1.3}
  .book-author{font-size:10px;color:var(--ink-mid);font-weight:400;white-space:nowrap}
  .book-desc{font-size:11px;color:var(--ink-light);font-weight:400;line-height:1.5}
  .book-btn{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:8px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--white);background:var(--ink);border:1px solid var(--ink);padding:8px 14px;white-space:nowrap;flex-shrink:0;transition:all 0.2s}
  .book-btn:hover{background:var(--red);border-color:var(--red)}
  .free-docs{padding:0 0 48px}
  .free-desc{font-size:13px;color:var(--ink-mid);line-height:1.7;margin-bottom:28px}
  .doc-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-mid)}
  .doc-row:first-child{border-top:1px solid var(--border-mid)}
  .doc-title{font-size:12px;font-weight:700;color:var(--ink);line-height:1.3;margin-bottom:2px}
  .doc-source{font-size:10px;color:var(--ink-light);font-weight:400}
  .doc-btn{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:8px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink);background:transparent;border:1px solid var(--ink);padding:8px 14px;white-space:nowrap;transition:all 0.2s}
  .doc-btn:hover{background:var(--ink);color:var(--white)}
  
@media(max-width:700px){
    :root{--pad:20px}
    nav{grid-template-columns:1fr;gap:16px;justify-items:center}
    .nav-left,.nav-right{justify-content:center}
    .essential-grid{grid-template-columns:repeat(2,1fr);gap:14px}
    .essential-grid .essential-card:last-child{grid-column:1/-1;max-width:50%;justify-self:center}
    .book-row{grid-template-columns:56px 1fr;gap:12px}
    .book-btn{grid-column:1/-1;justify-self:start}
    .doc-row{grid-template-columns:1fr;gap:8px}
    .doc-btn{justify-self:start}
    .cta-inner{flex-direction:column;text-align:center}
    .footer-top,.footer-bottom{flex-direction:column;gap:12px;align-items:center;text-align:center}
  }