:root {
    --red: #ce1126;
    --red-dark: #9f0d1d;
    --gold: #fcd116;
    --green: #0a7a45;
    --ink: #1f1718;
    --muted: #695c5f;
    --line: #ecdfe1;
    --bg: #fbf7f8;
    --card: #ffffff;
    --soft: #f7edef;
    --shadow: 0 10px 24px rgba(54, 14, 20, 0.08);
    --radius: 18px;
    --max: 1180px;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
  }

  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }

  .flagbar {
    height: 4px;
    background: linear-gradient(90deg, var(--red) 0 33%, var(--gold) 33% 66%, var(--green) 66% 100%);
  }

  .wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
  }

  .head-row {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 76px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
  }

  .brand img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    object-fit: contain;
    background: #000;
    padding: 4px;
  }

  .brand-title { margin: 0; font-size: 1rem; line-height: 1.2; font-weight: 800; }
  .brand-sub { margin: 0; color: var(--muted); font-size: 0.77rem; }

  .menu-toggle {
    border: 1px solid var(--line);
    background: #fff;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: none;
    font-size: 1.2rem;
    cursor: pointer;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .main-nav a,
  .main-nav button {
    border: 0;
    background: transparent;
    font: inherit;
    color: #3a2e30;
    font-weight: 650;
    font-size: 0.9rem;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
  }

  .main-nav a:hover,
  .main-nav button:hover,
  .main-nav a:focus-visible,
  .main-nav button:focus-visible { background: var(--soft); outline: none; }

  .hero {
    padding: 50px 0 24px;
  }

  .hero-box {
    background: linear-gradient(145deg, #fff 0%, #fff8f8 56%, #fff 100%);
    border: 1px solid var(--line);
    border-radius: calc(var(--radius) + 6px);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 30px;
    padding: 34px;
    overflow: hidden;
  }

  .eyebrow {
    display: inline-block;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 11px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
  }

  .hero h1 {
    margin: 12px 0 12px;
    line-height: 1.1;
    font-size: clamp(1.7rem, 2.2vw, 2.7rem);
    letter-spacing: -0.02em;
  }

  .hero p { margin: 0 0 20px; color: #3f3235; max-width: 62ch; }

  .cta-row { display: flex; flex-wrap: wrap; gap: 10px; }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
    padding: 12px 18px;
    font-weight: 750;
    font-size: 0.95rem;
    border: 1px solid transparent;
  }

  .btn.primary { background: var(--red); color: #fff; }
  .btn.primary:hover, .btn.primary:focus-visible { background: var(--red-dark); outline: none; }
  .btn.ghost { background: #fff; color: var(--ink); border-color: var(--line); }
  .btn.ghost:hover, .btn.ghost:focus-visible { background: var(--soft); outline: none; }

  .hero-art {
    border: 1px solid var(--line);
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
    align-self: stretch;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, 1fr);
  }

  .art-tile {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    min-height: 120px;
    display: grid;
    place-items: center;
    color: #5f5255;
    font-size: 2rem;
  }

  .art-tile.featured {
    grid-column: span 3;
    min-height: 90px;
    background: linear-gradient(120deg, #fff, #fef0f2);
    color: var(--red);
    font-size: 0.95rem;
    font-weight: 700;
    padding: 12px;
    text-align: center;
  }

  .section { padding: 20px 0 8px; }
  .section h2 { margin: 0 0 6px; font-size: 1.45rem; }
  .section .lead { margin: 0 0 18px; color: var(--muted); }

  .investor-banner {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 18px;
    display: grid;
    gap: 12px;
  }

  .investor-banner h2 { margin: 0; font-size: 1.4rem; }
  .investor-banner p { margin: 0; color: #433638; }

  .stakeholder-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .stakeholder-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    display: grid;
    gap: 8px;
  }

  .stakeholder-card h3 { margin: 0; font-size: 1rem; color: #2f2123; }
  .stakeholder-card p { margin: 0; color: #514447; font-size: 0.92rem; }

  .ecosystem-flow {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    display: grid;
    gap: 10px;
  }

  .ecosystem-track {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
  }

  .ecosystem-node {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff9fa;
    padding: 10px;
    font-size: 0.88rem;
    color: #443538;
    font-weight: 650;
    text-align: center;
  }

  .category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .category-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 8px;
  }

  .category-card h3 { margin: 0; font-size: 1.05rem; }
  .category-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
  .category-card button {
    justify-self: start;
    margin-top: 2px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 10px;
    padding: 8px 12px;
    font-weight: 700;
    cursor: pointer;
  }

  .catalogue {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: calc(var(--radius) + 2px);
    box-shadow: var(--shadow);
    padding: 18px;
  }

  .filters {
    display: grid;
    grid-template-columns: 2fr repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 15px;
  }

  .filters input,
  .filters select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: inherit;
    background: #fff;
    color: var(--ink);
    min-height: 42px;
    padding: 0 12px;
  }

  .results-note { color: var(--muted); font-size: 0.9rem; margin: 0 0 12px; }

  .device-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .device-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    overflow: hidden;
    display: grid;
    grid-template-rows: auto 1fr;
    box-shadow: 0 6px 18px rgba(54, 14, 20, 0.06);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }

  .device-image {
    background: linear-gradient(160deg, #fff, #f7ebed);
    border-bottom: 1px solid var(--line);
    min-height: 152px;
    display: grid;
    place-items: center;
    position: relative;
  }

  .device-image img {
    width: 100%;
    height: 152px;
    object-fit: contain;
    padding: 10px;
  }

  .device-image .ph {
    color: #5a4d4f;
    font-size: 0.88rem;
    font-weight: 700;
    text-align: center;
    padding: 0 10px;
  }

  .device-card:hover,
  .device-card:focus-within {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(54, 14, 20, 0.1);
  }

  .device-body { padding: 14px; display: grid; gap: 10px; }
  .pill { display: inline-block; width: fit-content; border-radius: 999px; padding: 4px 9px; font-size: 0.74rem; font-weight: 800; background: #f9ecee; color: var(--red); }
  .device-title { margin: 0; font-size: 1.02rem; line-height: 1.3; }
  .device-brand { margin: 0; font-size: 0.88rem; color: var(--muted); font-weight: 700; }

  .specs {
    margin: 0;
    padding: 0;
    list-style: none;
    color: #473b3d;
    font-size: 0.86rem;
    display: grid;
    gap: 3px;
  }

  .meta { display: flex; justify-content: space-between; gap: 10px; font-size: 0.88rem; }
  .price { font-weight: 800; color: #154e2f; }
  .stock { color: #575053; font-weight: 650; }

  .device-actions { display: flex; gap: 8px; margin-top: 3px; }
  .device-actions .btn { flex: 1; padding: 9px 10px; font-size: 0.84rem; }

  .empty {
    border: 1px dashed #cfb9bd;
    border-radius: 12px;
    background: #fffafb;
    color: #594d50;
    padding: 24px;
    text-align: center;
    font-weight: 600;
  }


  .app-shell[hidden],
  .view[hidden] { display: none !important; }

  .app-flow-head {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
  }

  .app-card,
  .card,
  .note,
  .selectable {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
  }

  .card,
  .note,
  .selectable {
    padding: 16px;
  }

  .card,
  .note,
  .field,
  .selectable,
  .auth-panels,
  .app-home-actions,
  .app-detail-actions,
  .steps,
  .app-flow-toolbar {
    display: grid;
    gap: 12px;
  }

  .auth-panels,
  .app-home-actions,
  .app-detail-actions {
    margin-top: 16px;
  }

  .app-flow-toolbar {
    margin-top: 18px;
  }

  .field label {
    display: block;
    margin-bottom: 6px;
    font-weight: 700;
    font-size: 0.9rem;
  }

  .field input,
  .field select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: inherit;
    background: #fff;
    color: var(--ink);
    min-height: 42px;
    padding: 0 12px;
  }

  .field.err input,
  .field.err select,
  .field.err input[type=checkbox] {
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(206, 17, 38, 0.08);
  }

  .field input[type=checkbox] {
    min-height: auto;
  }

  .errmsg {
    display: none;
    color: var(--red-dark);
    font-size: 0.8rem;
  }

  .field.err .errmsg {
    display: block;
  }

  .row2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .tabbar {
    display: inline-grid;
    grid-auto-flow: column;
    gap: 8px;
    padding: 4px;
    background: #fff6f6;
    border: 1px solid var(--line);
    border-radius: 14px;
  }

  .tabbar button {
    border: 0;
    background: transparent;
    border-radius: 10px;
    padding: 10px 14px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
  }

  .tabbar button.on {
    background: #fff;
    box-shadow: var(--shadow);
  }

  .note {
    background: #fffafb;
    color: #594d50;
  }

  .note.blue {
    background: #f2f7ff;
    border-color: #dbe7ff;
    color: #314c76;
  }

  .req { color: var(--red); }

  .codebox input {
    width: min(220px, 100%);
    border: 1px solid var(--line);
    border-radius: 14px;
    min-height: 58px;
    font: inherit;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.45rem;
    text-align: center;
    background: #fff;
  }

  .steps {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    align-items: center;
    margin-bottom: 16px;
  }

  .stepdot {
    height: 10px;
    border-radius: 999px;
    background: #eadfe1;
  }

  .stepdot.on { background: var(--green); }

  .selectable {
    width: 100%;
    text-align: left;
    font: inherit;
    cursor: pointer;
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .selectable.sel {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(10, 122, 69, 0.08);
  }

  .selectable[disabled] {
    cursor: not-allowed;
  }

  .selectable .meta {
    display: grid;
    gap: 4px;
    justify-content: start;
  }

  .section-title {
    margin: 0 0 12px;
    font-size: 1.15rem;
    font-weight: 800;
  }

  .kv {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    padding: 10px 0;
    border-bottom: 1px solid #f1e7e8;
  }

  .kv:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .kv span {
    color: var(--muted);
    font-size: 0.9rem;
  }

  .status-chip {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.78rem;
    font-weight: 800;
    background: #f4ecee;
    color: var(--red-dark);
  }

  .status-chip.approved { background: #e8f6ef; color: #155b35; }
  .status-chip.rejected { background: #fdeced; color: #8c1e2c; }
  .status-chip.collected { background: #eef7ff; color: #204f84; }

  .app-card {
    padding: 14px 16px;
    cursor: pointer;
  }

  .app-card .r1,
  .detail-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
  }

  .app-card .sub,
  .detail-meta,
  .hint {
    color: var(--muted);
    font-size: 0.88rem;
  }

  .app-card .num {
    margin-top: 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.82rem;
    color: var(--green);
    font-weight: 700;
  }

  .selected-device-banner {
    margin-bottom: 18px;
    background: #fff8ea;
    border: 1px solid #f3db9f;
    border-radius: 14px;
    padding: 14px 16px;
  }

  .selected-device-banner strong {
    display: block;
    margin-bottom: 4px;
  }

  .selected-device-meta {
    color: #5d4c1c;
    font-size: 0.9rem;
  }

  .toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%) translateY(16px);
    background: #251c1d;
    color: #fff;
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 60;
  }

  .toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }


  .how-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
  }

  .how-step {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
  }

  .how-step b { display: block; color: var(--red-dark); margin-bottom: 5px; font-size: 0.9rem; }
  .how-step p { margin: 0; color: #4d4144; font-size: 0.9rem; }

  .suppliers {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
    display: grid;
    gap: 12px;
  }

  .suppliers h3 { margin: 0; }
  .suppliers p { margin: 0; color: var(--muted); }
  .partners { max-width: 420px; }

  .supplier-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .supplier-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: #fffafb;
    display: grid;
    gap: 8px;
  }

  .supplier-card h4 { margin: 0; font-size: 0.98rem; }
  .supplier-card p { margin: 0; color: #4f4346; font-size: 0.9rem; }

  .scale-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .scale-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
  }

  .scale-card h3 { margin: 0 0 6px; font-size: 1rem; color: #2f2123; }
  .scale-card p { margin: 0; color: #53474a; font-size: 0.92rem; }

  .trust {
    background: #fff6f6;
    border: 1px solid #f0cfd3;
    border-radius: 14px;
    padding: 17px;
    color: #412e31;
  }

  .trust b { color: #2f2123; }
  .trust ul { margin: 8px 0 0; padding-left: 19px; }

  footer {
    margin-top: 30px;
    border-top: 1px solid var(--line);
    background: #fff;
  }

  .foot-wrap { padding: 22px 0 30px; display: grid; gap: 12px; }

  .foot-links { display: flex; flex-wrap: wrap; gap: 9px 16px; }
  .foot-links a { color: #4a3f41; font-weight: 700; }
  .foot-meta { color: #64575a; font-size: 0.92rem; }

  @media (max-width: 1060px) {
    .filters { grid-template-columns: 1fr 1fr 1fr; }
    .device-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .how-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .stakeholder-grid,
    .scale-grid { grid-template-columns: 1fr 1fr; }
    .ecosystem-track { grid-template-columns: 1fr 1fr 1fr; }
  }

  @media (max-width: 820px) {
    .hero-box { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
    .main-nav {
      display: none;
      position: absolute;
      top: 77px;
      left: 0;
      right: 0;
      background: #fff;
      border-bottom: 1px solid var(--line);
      padding: 8px 16px 12px;
      flex-wrap: wrap;
      gap: 4px;
    }
    .main-nav.open { display: flex; }
    .main-nav a,
    .main-nav button { flex: 1 1 calc(50% - 4px); text-align: left; }
  }

  @media (max-width: 640px) {
    .wrap { width: calc(100% - 24px); }
    .hero { padding-top: 26px; }
    .hero-box { padding: 20px; }
    .filters { grid-template-columns: 1fr; }
    .device-grid { grid-template-columns: 1fr; }
    .how-grid { grid-template-columns: 1fr; }
    .stakeholder-grid,
    .scale-grid,
    .supplier-grid,
    .ecosystem-track { grid-template-columns: 1fr; }
    .device-image img { height: 168px; }
  }