* { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    letter-spacing: 0;
    -webkit-font-smoothing: antialiased;
  }
  .container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
  section { padding: 96px 0; }
  .section-gray { background: var(--bg-gray); }

  .eyebrow {
    display: inline-block;
    font-size: 14px; font-weight: 700;
    color: var(--blue);
    background: var(--blue-bg);
    padding: 6px 14px; border-radius: 100px;
    margin-bottom: 16px;
  }
  h2.section-title {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 800; line-height: 1.35;
    letter-spacing: 0;
    margin-bottom: 14px;
  }
  p.section-desc {
    font-size: clamp(15px, 2vw, 17px);
    color: var(--text-sub);
    max-width: 640px;
  }

  /* ─── Nav ─── */
  nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--bg-gray2);
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
  }
  .logo {
    display: inline-flex; align-items: center;
    text-decoration: none; color: var(--text);
  }
  .logo img {
    display: block;
    width: 86px; height: auto;
  }
  .nav-cta {
    font-size: 14px; font-weight: 700; color: #fff;
    background: var(--blue-gradient); border-radius: 10px;
    padding: 9px 18px; text-decoration: none;
    box-shadow: 0 8px 18px rgba(var(--accent-rgb), .22);
    transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
  }
  .nav-cta:hover {
    background: var(--blue-gradient-hover);
    box-shadow: 0 10px 24px rgba(var(--accent-rgb), .28);
    transform: translateY(-1px);
  }

  /* ─── Hero ─── */
  .hero { padding: 88px 0 104px; overflow: hidden; }
  .hero-grid {
    display: grid; grid-template-columns: 1fr 440px;
    gap: 64px; align-items: center;
  }
  .hero h1 {
    font-size: clamp(32px, 5vw, 50px);
    font-weight: 800; line-height: 1.25;
    letter-spacing: 0;
    margin-bottom: 20px;
  }
  .hero h1 .accent { color: var(--blue); }
  .hero .sub {
    font-size: clamp(16px, 2.2vw, 19px);
    color: var(--text-sub);
    margin-bottom: 12px;
    word-break: keep-all;
  }
  .hero .support {
    font-size: 15px; color: var(--text-muted);
    margin-bottom: 32px; word-break: keep-all;
  }
  .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-size: 16px; font-weight: 700;
    padding: 15px 28px; border-radius: 14px;
    text-decoration: none; cursor: pointer; border: none;
    transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
    font-family: inherit;
  }
  .btn:active { transform: scale(0.97); }
  .btn-primary {
    background: var(--blue-gradient);
    color: #fff;
    box-shadow: 0 10px 22px rgba(var(--accent-rgb), .24);
  }
  .btn-primary:hover {
    background: var(--blue-gradient-hover);
    box-shadow: 0 12px 28px rgba(var(--accent-rgb), .30);
    transform: translateY(-1px);
  }
  .btn-secondary { background: var(--bg-gray2); color: var(--text); }
  .btn-secondary:hover { background: var(--border); }

  .hero-badges { display: flex; gap: 24px 32px; flex-wrap: wrap; }
  .hero-badge .num {
    font-size: 24px; font-weight: 800; letter-spacing: 0;
    font-variant-numeric: tabular-nums;
  }
  .hero-badge .num .unit { font-size: 16px; font-weight: 700; }
  .hero-badge .label { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

  /* ─── Recent data card ─── */
  .feed-wrap { position: relative; }
  .feed-card {
    background: #fff;
    border: 1px solid var(--bg-gray2);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    padding: 24px 20px 16px;
    position: relative;
  }
  .feed-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 4px 16px;
  }
  .feed-title { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
  .pulse {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--green); position: relative;
  }
  .pulse::after {
    content: ""; position: absolute; inset: -4px;
    border-radius: 50%; background: var(--green);
    opacity: .35; animation: pulse 1.6s ease-out infinite;
  }
  @keyframes pulse {
    0% { transform: scale(.5); opacity: .5; }
    100% { transform: scale(1.6); opacity: 0; }
  }
  .feed-count { font-size: 12px; font-weight: 600; color: var(--text-muted); }
  .feed-list { display: flex; flex-direction: column; gap: 8px; height: 372px; overflow: hidden; }
  .feed-item {
    display: flex; align-items: center; gap: 12px;
    background: var(--bg-gray);
    border-radius: 14px;
    padding: 12px 14px;
    animation: slideIn .5s cubic-bezier(.2,.9,.3,1);
  }
  @keyframes slideIn {
    from { opacity: 0; transform: translateY(-14px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .avatar {
    width: 38px; height: 38px; border-radius: 12px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 700; color: var(--blue);
    background: var(--blue-bg);
  }
  .feed-item .info { flex: 1; min-width: 0; }
  .feed-item .line1 {
    font-size: 14px; font-weight: 700;
    display: flex; align-items: center; gap: 6px;
  }
  .feed-item .phone { font-weight: 500; color: var(--text-muted); font-size: 12.5px; }
  .feed-item .line2 {
    font-size: 12.5px; color: var(--text-sub);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .chip {
    font-size: 11px; font-weight: 700;
    padding: 3px 8px; border-radius: 6px; flex-shrink: 0;
  }
  .chip-blue { color: var(--blue); background: var(--blue-bg); }
  .chip-green { color: var(--green); background: var(--green-bg); }
  .feed-note {
    text-align: center; font-size: 11.5px; color: var(--text-muted);
    padding: 14px 4px 2px;
    line-height: 1.45;
    word-break: keep-all;
  }

  /* ─── Problem cards ─── */
  .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
  .card {
    background: #fff; border-radius: var(--radius);
    padding: 32px 28px;
    border: 1px solid var(--bg-gray2);
    box-shadow: var(--shadow);
  }
  .card .icon {
    width: 48px; height: 48px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 18px;
    background: var(--blue-bg);
  }
  .card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; letter-spacing: 0; }
  .card p { font-size: 14.5px; color: var(--text-sub); word-break: keep-all; }

  /* ─── Data fields ─── */
  .fields-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px; margin-top: 48px;
  }
  .field-item {
    display: flex; align-items: center; gap: 12px;
    background: #fff; border: 1px solid var(--bg-gray2);
    border-radius: 14px; padding: 18px 20px;
    font-size: 15px; font-weight: 600;
  }
  .field-item .check {
    width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
    background: var(--green-bg); color: var(--green);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800;
  }

  /* ─── Quality criteria and delivery sample ─── */
  .quality-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 18px; margin-top: 48px;
  }
  .quality-card {
    background: #fff; border: 1px solid var(--bg-gray2);
    border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 28px 24px;
  }
  .quality-card .num {
    width: 34px; height: 34px; border-radius: 11px;
    background: var(--blue-bg); color: var(--blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800; margin-bottom: 18px;
  }
  .quality-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
  .quality-card p { font-size: 14px; color: var(--text-sub); word-break: keep-all; }

  .sample-layout {
    display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .75fr);
    gap: 24px; margin-top: 48px; align-items: start;
  }
  .visual-proof {
    margin-top: 42px;
    background: #fff;
    border: 1px solid var(--bg-gray2);
    border-radius: 24px;
    box-shadow: var(--shadow);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }
  .visual-proof img {
    display: block;
    width: 100%;
    min-width: 760px;
    height: auto;
  }
  .visual-proof + .sample-layout { margin-top: 32px; }
  .stats-visual {
    margin-top: 42px;
  }
  .stats-visual + .stats-grid {
    margin-top: 48px;
  }
  .stats-visual img {
    min-width: 760px;
  }
  .sample-table-wrap {
    background: #fff; border: 1px solid var(--bg-gray2);
    border-radius: var(--radius); box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
  }
  .sample-table-hint {
    display: flex; justify-content: flex-end;
    padding: 14px 16px 0;
  }
  .sample-table-hint span {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--blue); background: var(--blue-bg);
    border-radius: 999px; padding: 6px 10px;
    font-size: 12px; font-weight: 800;
  }
  .sample-table-scroll { overflow-x: auto; }
  .sample-table {
    width: 100%; min-width: var(--sample-table-min-width, 680px); border-collapse: collapse;
    font-size: 13.5px;
  }
  .sample-table th {
    background: var(--bg-gray); color: var(--text-muted);
    font-size: 12px; font-weight: 800; text-align: left;
    padding: 14px 16px; border-bottom: 1px solid var(--border);
    white-space: nowrap;
  }
  .sample-table td {
    padding: 16px; border-bottom: 1px solid var(--bg-gray2);
    color: var(--text-sub); white-space: nowrap;
  }
  .sample-table tr:last-child td { border-bottom: none; }
  .sample-table td strong { color: var(--text); font-weight: 800; }
  .sample-table .status {
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--blue); background: var(--blue-bg);
    border-radius: 6px; padding: 3px 8px; font-size: 11px; font-weight: 800;
  }
  .sample-note {
    padding: 14px 16px; background: var(--bg-gray);
    font-size: 12.5px; color: var(--text-muted); word-break: keep-all;
  }
  .ops-panel {
    background: var(--text); color: #fff;
    border-radius: var(--radius); padding: 28px 26px;
    box-shadow: var(--shadow-lg);
  }
  .ops-panel h3 { font-size: 18px; font-weight: 800; margin-bottom: 12px; }
  .ops-panel p { font-size: 14px; color: rgba(255,255,255,.72); word-break: keep-all; margin-bottom: 22px; }
  .ops-list { display: flex; flex-direction: column; gap: 12px; }
  .ops-list li {
    list-style: none; display: flex; gap: 10px;
    font-size: 13.5px; color: rgba(255,255,255,.88); word-break: keep-all;
  }
  .ops-list li::before {
    content: "✓"; flex: 0 0 22px; width: 22px; height: 22px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(var(--accent-rgb), .22); color: var(--ops-accent-color);
    font-size: 12px; font-weight: 900;
  }

  /* ─── Stats section ─── */
  .stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 20px; margin-top: 48px;
  }
  .stat-card {
    background: #fff; border-radius: var(--radius);
    padding: 32px 28px; border: 1px solid var(--bg-gray2);
    box-shadow: var(--shadow);
  }
  .stat-card .value {
    font-size: clamp(28px, 3.6vw, 38px);
    font-weight: 800; letter-spacing: 0;
    font-variant-numeric: tabular-nums;
    color: var(--text);
  }
  .stat-card .value .unit { font-size: 20px; font-weight: 700; }
  .stat-card.blue .value { color: var(--blue); }
  .stat-card .label { font-size: 14px; color: var(--text-sub); margin-top: 6px; font-weight: 600; }
  .stat-card .period { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
  .stats-note {
    margin-top: 28px; font-size: 13.5px; color: var(--text-muted);
    background: var(--bg-gray); border-radius: var(--radius-sm);
    padding: 16px 20px; word-break: keep-all;
  }

  /* ─── Supply options ─── */
  .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px; }

  /* ─── Process steps ─── */
  .steps { margin-top: 56px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
  .step { text-align: center; padding: 0 8px; position: relative; }
  .step .dot {
    width: 44px; height: 44px; border-radius: 50%;
    background: #fff; border: 2px solid var(--blue);
    color: var(--blue); font-weight: 800; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px; position: relative; z-index: 1;
    transition: background .22s ease, color .22s ease, box-shadow .22s ease, transform .22s ease;
  }
  .step.final .dot,
  .step.is-active .dot,
  .steps.is-complete .step.final .dot {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
  }
  .step.is-active .dot {
    box-shadow: 0 10px 22px rgba(var(--accent-rgb), .18);
    transform: translateY(-2px) scale(1.04);
  }
  .steps.is-pending .step.final .dot,
  .steps.is-animating .step.final:not(.is-active) .dot {
    background: #fff;
    color: var(--blue);
    box-shadow: none;
    transform: none;
  }
  .step::before {
    content: ""; position: absolute;
    top: 21px; left: calc(-50% + 30px); right: calc(50% + 30px);
    height: 2px; background: var(--border);
  }
  .step:first-child::before { display: none; }
  .step h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 4px; word-break: keep-all; }
  .step p { font-size: 12.5px; color: var(--text-muted); word-break: keep-all; }

  /* ─── A/S criteria ─── */
  .reject-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px; margin-top: 48px;
  }
  .reject-item {
    display: flex; align-items: center; gap: 12px;
    background: #fff; border: 1px solid var(--bg-gray2);
    border-radius: 14px; padding: 18px 20px;
    font-size: 15px; font-weight: 600;
  }
  .reject-item .x {
    width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
    background: var(--red-bg); color: var(--red);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 800;
  }
  .settlement-box {
    margin-top: 28px; background: #fff; border: 1px solid var(--bg-gray2);
    border-radius: var(--radius); box-shadow: var(--shadow);
    display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px;
    padding: 30px 32px;
  }
  .settlement-box h3 { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
  .settlement-box p { font-size: 14.5px; color: var(--text-sub); word-break: keep-all; }
  .settlement-list {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
  }
  .settlement-list div {
    background: var(--bg-gray); border-radius: 12px;
    padding: 14px 16px; font-size: 13.5px; color: var(--text-sub);
    word-break: keep-all;
  }
  .settlement-list strong {
    display: block; color: var(--text); font-size: 13.5px; margin-bottom: 2px;
  }

  /* ─── Privacy ─── */
  .privacy-box {
    margin-top: 40px; background: #fff;
    border: 1px solid var(--bg-gray2); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 36px 32px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  }
  .privacy-box .item h4 {
    font-size: 16px; font-weight: 700; margin-bottom: 8px;
    display: flex; align-items: center; gap: 8px;
  }
  .privacy-box .item p { font-size: 14.5px; color: var(--text-sub); word-break: keep-all; }
  .shield {
    width: 30px; height: 30px; border-radius: 9px;
    background: var(--blue-bg); color: var(--blue);
    display: flex; align-items: center; justify-content: center; font-size: 15px;
  }

  /* ─── FAQ ─── */
  .faq-list { margin-top: 48px; display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
  details {
    background: #fff; border: 1px solid var(--bg-gray2);
    border-radius: 16px; overflow: hidden;
  }
  summary {
    cursor: pointer; list-style: none;
    padding: 20px 24px;
    font-size: 16px; font-weight: 700;
    display: flex; justify-content: space-between; align-items: center;
  }
  summary::-webkit-details-marker { display: none; }
  summary::after {
    content: "+"; font-size: 20px; font-weight: 400; color: var(--text-muted);
    transition: transform .2s ease;
  }
  details[open] summary::after { transform: rotate(45deg); }
  details .answer { padding: 0 24px 22px; font-size: 14.5px; color: var(--text-sub); word-break: keep-all; }

  /* ─── Contact ─── */
  .contact-section {
    background: var(--contact-gradient);
    color: #fff;
  }
  .contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 440px;
    gap: 56px;
    align-items: center;
  }
  .contact-copy h2 {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.35;
    margin-bottom: 16px;
    word-break: keep-all;
  }
  .contact-copy p {
    font-size: clamp(15px, 2vw, 17px);
    opacity: .9;
    word-break: keep-all;
  }
  .contact-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 800;
    color: var(--contact-eyebrow);
    margin-bottom: 14px;
  }
  .contact-points {
    display: grid;
    gap: 10px;
    margin: 28px 0 32px;
    padding: 0;
    list-style: none;
  }
  .contact-points li {
    position: relative;
    padding-left: 18px;
    color: rgba(255,255,255,.86);
    font-size: 15px;
    word-break: keep-all;
  }
  .contact-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fff;
    opacity: .75;
  }
  .contact-alt {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }
  .inquiry-form {
    background: #fff;
    color: var(--text);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 20px 56px rgba(25,31,40,.20);
  }
  .form-title {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 6px;
  }
  .form-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 18px;
  }
  .form-summary {
    display: grid;
    gap: 10px;
    margin: 0 0 22px;
    padding: 14px;
    background: var(--bg-gray);
    border: 1px solid var(--bg-gray2);
    border-radius: 14px;
  }
  .form-summary-item {
    display: grid;
    gap: 2px;
    padding-left: 12px;
    border-left: 3px solid var(--blue);
  }
  .form-summary-item strong {
    color: var(--text);
    font-size: 13px;
    font-weight: 900;
  }
  .form-summary-item span {
    color: var(--text-sub);
    font-size: 12.5px;
    line-height: 1.45;
    word-break: keep-all;
  }
  .form-grid {
    display: grid;
    gap: 14px;
  }
  .bot-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }
  .field label {
    display: block;
    font-size: 13px;
    font-weight: 800;
    color: var(--text-sub);
    margin-bottom: 7px;
  }
  .field input,
  .field select,
  .field textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 13px 14px;
    font: inherit;
    font-size: 15px;
    color: var(--text);
    background: #fff;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
  }
  .field textarea {
    min-height: 132px;
    resize: vertical;
  }
  .field select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
    background-position: calc(100% - 18px) 19px, calc(100% - 12px) 19px;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 36px;
  }
  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .12);
  }
  .contact-method-grid {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 12px;
  }
  .privacy-consent {
    display: block;
    margin-top: 4px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-gray);
    color: var(--text-sub);
    font-size: 11.5px;
    line-height: 1.55;
    word-break: keep-all;
  }
  .privacy-consent-main {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }
  .privacy-consent-check {
    display: flex;
    gap: 8px;
    align-items: center;
    min-width: 0;
  }
  .privacy-consent input {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    margin: 0;
    accent-color: var(--blue);
  }
  .privacy-consent strong {
    color: var(--text);
  }
  .privacy-consent a {
    color: var(--blue-dark);
    font-weight: 800;
    text-decoration: underline;
    text-underline-offset: 2px;
  }
  .form-actions {
    margin-top: 18px;
  }
  .form-actions .btn {
    width: 100%;
  }
  .form-note,
  .form-status {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-top: 12px;
    word-break: keep-all;
  }
  .form-status {
    color: var(--blue-dark);
    font-weight: 700;
    min-height: 18px;
  }
  .btn-white { background: #fff; color: var(--blue-dark); }
  .btn-white:hover { background: var(--btn-white-hover); }
  .btn-ghost { background: rgba(255,255,255,.16); color: #fff; }
  .btn-ghost:hover { background: rgba(255,255,255,.26); }

  /* ─── Footer ─── */
  footer { padding: 48px 0 64px; border-top: 1px solid var(--bg-gray2); }
  .footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
  footer .brand { margin-bottom: 10px; }
  footer .brand img {
    display: block;
    width: 92px; height: auto;
  }
  .footer-info { max-width: 520px; }
  .footer-contact { min-width: 260px; }
  footer p, footer a { font-size: 13.5px; color: var(--text-muted); text-decoration: none; overflow-wrap: anywhere; }
  footer .legal-line { margin-top: 8px; }
  footer a:hover { color: var(--text-sub); }
  .copy-text-btn {
    border: 0;
    background: transparent;
    color: var(--blue);
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    padding: 0 0 0 6px;
  }
  .copy-text-btn:hover { color: var(--blue-dark); }

  /* ─── Toast ─── */
  .toast {
    position: fixed;
    bottom: max(24px, calc(env(safe-area-inset-bottom) + 18px));
    left: 50%;
    width: min(calc(100% - 32px), 520px);
    transform: translateX(-50%) translateY(20px);
    background: rgba(25, 31, 40, .96);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.45;
    text-align: center;
    word-break: keep-all;
    padding: 14px 20px;
    border-radius: 14px;
    box-shadow: 0 16px 42px rgba(25, 31, 40, .22);
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    z-index: 200;
  }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

  .mobile-sticky-cta { display: none; }

  /* ─── Reveal on scroll ─── */
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.visible { opacity: 1; transform: translateY(0); }

  /* ─── Responsive ─── */
  @media (max-width: 960px) {
    section { padding: 72px 0; }
    .hero { padding: 56px 0 72px; }
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .quality-grid { grid-template-columns: repeat(2, 1fr); }
    .sample-layout { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); gap: 32px 12px; }
    .step::before { display: none; }
    .privacy-box { grid-template-columns: 1fr; }
    .settlement-box { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; gap: 36px; }
  }
  @media (max-width: 560px) {
    .grid-4 { grid-template-columns: 1fr; }
    .quality-grid { grid-template-columns: 1fr; }
    .settlement-list { grid-template-columns: 1fr; }
    .hero-badges { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .btn { width: 100%; }
    .cta-row { flex-direction: column; }
    .feed-list { height: 340px; }
    .contact-alt { flex-direction: column; }
    .inquiry-form { padding: 22px; }
    .contact-method-grid { grid-template-columns: 1fr; }
    .visual-proof {
      margin-top: 32px;
      border-radius: 18px;
    }
    .visual-proof img { min-width: 680px; }
    .stats-visual + .stats-grid { margin-top: 36px; }
    body.has-mobile-sticky { padding-bottom: 86px; }
    .mobile-sticky-cta {
      position: fixed;
      left: 16px;
      right: 16px;
      bottom: max(14px, calc(env(safe-area-inset-bottom) + 12px));
      z-index: 160;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      border-radius: 14px;
      background: var(--blue-gradient);
      color: #fff;
      font-size: 16px;
      font-weight: 900;
      text-decoration: none;
      box-shadow: 0 16px 34px rgba(var(--accent-rgb), .30);
      opacity: 0;
      pointer-events: none;
      transform: translateY(18px);
      transition: opacity .22s ease, transform .22s ease;
    }
    .mobile-sticky-cta.is-visible {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }
  }