:root {
        color-scheme: light;
        --bg: #f3f1ec;
        --surface: #fffdfa;
        --ink: #43392f;
        --ink-strong: #302b27;
        --muted: #81776c;
        --faint: #a19689;
        --border: #e5ddd2;
        --border-strong: #d4c7b6;
        --gold: #d4a537;
        --gold-soft: #fff3d7;
        --green: #4f8d5b;
        --shadow: 0 24px 70px rgb(53 42 31 / 13%);
      }
      * { box-sizing: border-box; }
      html { background: var(--bg); }
      body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--ink); background: radial-gradient(circle at 8% -8%, rgb(212 165 55 / 18%), transparent 32%), radial-gradient(circle at 100% 22%, rgb(190 167 136 / 15%), transparent 28%), var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
      button, input { font: inherit; }
      button { cursor: pointer; }
      .page-shell { width: min(1180px, calc(100% - 44px)); margin: 0 auto; padding: 24px 0 38px; }
      .site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 52px; padding-bottom: 16px; border-bottom: 1px solid rgb(212 199 182 / 55%); }
      .header-section-label { display: inline-flex; align-items: center; gap: 8px; color: #8b704f; font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
      .header-section-label i { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgb(212 165 55 / 12%); }
      .header-section-label strong { color: var(--ink-strong); font-weight: 900; }
      .secure-badge { display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid var(--border-strong); border-radius: 999px; background: rgb(255 253 250 / 86%); color: #6d6257; font-size: 10px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; box-shadow: 0 5px 16px rgb(46 37 28 / 4%); }
      .secure-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgb(79 141 91 / 12%); }
      .main-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr); align-items: center; gap: clamp(36px, 7vw, 96px); min-height: 620px; padding: 58px 0 52px; }
      .hero { position: relative; overflow: hidden; padding: 42px 44px 40px; border: 1px solid rgb(123 91 62 / 45%); border-radius: 24px; background: linear-gradient(145deg, #49372b 0%, #33271f 58%, #241e1a 100%); box-shadow: 0 24px 64px rgb(47 34 24 / 22%); }
      .hero::before { position: absolute; top: -44px; left: -54px; width: 174px; height: 174px; border: 1px solid rgb(240 208 143 / 20%); border-radius: 50%; content: ""; }
      .hero::after { position: absolute; right: -90px; bottom: -120px; width: 300px; height: 300px; border-radius: 50%; background: rgb(212 165 55 / 12%); filter: blur(3px); content: ""; }
      .hero > * { position: relative; }
      .hero-brand { width: 214px; height: 88px; margin-bottom: 34px; overflow: hidden; border: 1px solid rgb(226 187 91 / 55%); border-radius: 16px; background: #171513; box-shadow: 0 14px 28px rgb(0 0 0 / 22%); }
      .hero-brand img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 53%; transform: scale(1.04); }
      .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #8b704f; font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
      .hero .eyebrow { color: #e7ca92; }
      .eyebrow::before { width: 23px; height: 1px; background: var(--gold); content: ""; }
      h1 { max-width: 610px; margin: 18px 0 18px; color: var(--ink-strong); font-size: clamp(2.6rem, 6vw, 5rem); font-weight: 500; letter-spacing: -.065em; line-height: .98; }
      .hero h1 { color: #fff8ed; }
      .hero-intro { max-width: 520px; margin: 0; color: #eadfd2; font-size: 15px; line-height: 1.75; }
      .hero-rule { width: 100%; height: 1px; margin: 34px 0 24px; background: linear-gradient(90deg, rgb(231 202 146 / 65%), transparent); }
      .steps { position: relative; display: grid; gap: 18px; }
      .steps::before { position: absolute; top: 15px; bottom: 15px; left: 15px; border-left: 1px dashed rgb(231 202 146 / 38%); content: ""; }
      .step { position: relative; display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
      .step-number { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid #d9c28b; border-radius: 10px; background: #f4dfae; color: #6d5024; font-size: 10px; font-weight: 900; }
      .step strong { display: block; margin: 2px 0 3px; color: #fff8ed; font-size: 12px; }
      .step small { display: block; color: #cdbfb0; font-size: 11px; line-height: 1.45; }
      .upload-card { position: relative; overflow: hidden; padding: clamp(26px, 4vw, 40px); border: 1px solid var(--border); border-radius: 24px; background: rgb(255 253 250 / 94%); box-shadow: var(--shadow); }
      .upload-card::before { position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg, #9b805e, var(--gold), #ead49a); content: ""; }
      .card-heading { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 23px; }
      .card-icon { display: grid; place-items: center; width: 48px; height: 48px; flex: 0 0 48px; border-radius: 15px; background: linear-gradient(145deg, #342f2a, #1f1d1b); color: #e6d1b4; box-shadow: 0 10px 24px rgb(31 28 25 / 18%); }
      .card-heading .eyebrow { margin-top: 2px; }
      h2 { margin: 7px 0 0; color: var(--ink-strong); font-size: 24px; font-weight: 600; letter-spacing: -.035em; }
      .card-description { margin: 6px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }
      .dropzone { display: grid; justify-items: center; min-height: 212px; padding: 28px 22px; border: 1px dashed #cdbda8; border-radius: 16px; background: linear-gradient(145deg, #fbf9f5, #f7f2eb); text-align: center; transition: border-color .18s ease, background .18s ease, transform .18s ease; }
      .dropzone:hover, .dropzone.is-dragging { border-color: #9b805e; background: #fff8e8; transform: translateY(-1px); }
      .dropzone-icon { display: grid; place-items: center; width: 50px; height: 50px; margin-bottom: 13px; border-radius: 16px; background: #ebe4da; color: #776247; }
      .dropzone strong { color: var(--ink-strong); font-size: 14px; }
      .dropzone p { max-width: 330px; margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
      .browse-button { display: inline-flex; align-items: center; gap: 7px; margin-top: 18px; padding: 10px 14px; border: 1px solid var(--border-strong); border-radius: 10px; background: #fff; color: #5d4b38; font-size: 11px; font-weight: 800; box-shadow: 0 5px 16px rgb(46 37 28 / 6%); }
      .browse-button:hover { border-color: #a17a4d; background: #fffaf1; }
      .dropzone input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
      .upload-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 15px; color: var(--faint); font-size: 10px; line-height: 1.4; }
      .upload-meta strong { color: #776247; font-weight: 800; }
      .format-list { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 12px; padding-top: 11px; border-top: 1px solid #eee7de; }
      .format-list span { display: inline-flex; align-items: center; justify-content: center; min-width: 31px; padding: 4px 7px; border: 1px solid #e8ddcf; border-radius: 999px; background: #fbf7f0; color: #8b765a; font-size: 8px; font-weight: 900; letter-spacing: .08em; }
      .format-list .format-label { min-width: auto; margin-right: 3px; padding: 0; border: 0; border-radius: 0; background: transparent; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: 0; }
      #file-list { display: grid; gap: 7px; max-height: 180px; margin: 15px 0 0; padding: 0; overflow: auto; list-style: none; }
      #file-list.hidden { display: none; }
      #file-list li { display: flex; align-items: center; gap: 10px; padding: 10px 11px; border: 1px solid #eee7de; border-radius: 10px; background: #fff; color: #4c4237; font-size: 11px; }
      #file-list li .file-type { display: grid; place-items: center; width: 26px; height: 26px; flex: 0 0 26px; border-radius: 8px; background: #f4eadb; color: #916e37; font-size: 8px; font-weight: 900; }
      #file-list li .file-name { min-width: 0; flex: 1; overflow: hidden; text-align: left; text-overflow: ellipsis; white-space: nowrap; }
      #file-list li .file-size { color: var(--faint); white-space: nowrap; }
      #file-list li .file-remove { display: grid; place-items: center; width: 24px; height: 24px; padding: 0; border: 0; border-radius: 7px; background: transparent; color: #a19689; }
      #file-list li .file-remove:hover { background: #fff0ee; color: #a33a2b; }
      #send { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%; min-height: 48px; margin-top: 20px; border: 0; border-radius: 11px; background: linear-gradient(135deg, #342f2a, #1f1d1b); color: #fff8ed; font-size: 12px; font-weight: 800; box-shadow: 0 10px 22px rgb(31 28 25 / 16%); transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease; }
      #send:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 14px 28px rgb(31 28 25 / 22%); }
      #send:disabled { cursor: not-allowed; opacity: .48; }
      .status { min-height: 22px; margin: 14px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; text-align: center; }
      .status.error { color: #a33a2b; }
      .status.success { color: #3f7b4a; }
      .hidden { display: none !important; }
      .trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--border); border-radius: 16px; background: var(--border); box-shadow: 0 8px 28px rgb(35 29 24 / 4%); }
      .trust-item { display: flex; align-items: center; gap: 11px; min-height: 80px; padding: 16px 20px; background: rgb(255 253 250 / 82%); }
      .trust-item svg { flex: 0 0 auto; color: #9b805e; }
      .trust-item strong { display: block; color: var(--ink-strong); font-size: 11px; }
      .trust-item small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; line-height: 1.35; }
      footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 25px; color: #9a9084; font-size: 10px; line-height: 1.5; }
      footer span:last-child { text-align: right; }
      @media (max-width: 1040px) {
        .main-grid { grid-template-columns: 1fr; min-height: 0; gap: 36px; padding-top: 58px; }
        .hero { max-width: 650px; }
        h1 { max-width: 650px; font-size: clamp(2.6rem, 10vw, 4.6rem); }
      }
      @media (max-width: 560px) {
        .page-shell { width: min(100% - 28px, 1180px); padding-top: 16px; }
        .site-header { min-height: 58px; padding-bottom: 12px; }
        .header-section-label { font-size: 8px; letter-spacing: .08em; }
        .secure-badge { padding: 7px 9px; font-size: 8px; }
        .main-grid { padding: 45px 0 34px; }
        .hero { padding: 30px 24px 28px; border-radius: 20px; }
        .hero-brand { width: 178px; height: 73px; margin-bottom: 27px; border-radius: 13px; }
        h1 { font-size: clamp(2.45rem, 14vw, 4rem); }
        .hero-intro { font-size: 14px; }
        .upload-card { padding: 24px 18px; border-radius: 18px; }
        .card-heading { gap: 11px; }
        .card-icon { width: 43px; height: 43px; flex-basis: 43px; border-radius: 13px; }
        h2 { font-size: 21px; }
        .trust-strip { grid-template-columns: 1fr; }
        .trust-item { min-height: 68px; }
        .upload-meta { display: grid; gap: 3px; }
        .format-list { align-items: flex-start; }
        .format-list .format-label { width: 100%; margin: 0 0 2px; }
        footer { display: grid; gap: 5px; }
        footer span:last-child { text-align: left; }
      }