@font-face {
      font-family: 'Boldonse';
      src: url('https://fonts.gstatic.com/s/boldonse/v1/ZgNQjPxGPbbJUZemjC35hmHmNpCO.woff2') format('woff2');
      font-style: normal;
      font-weight: 400;
      font-display: swap;
    }

    /* ================= TOKENS ================= */
    :root {
      --bg-page: rgb(233, 235, 237);
      --card-bg: rgb(255, 255, 255);
      --card-sub-bg: rgb(233, 235, 237);
      --text-main: rgb(10, 10, 10);
      --text-muted: #525355;
      --text-faint: #8a8c8f;
      --text-inverted: #ffffff;
      --accent-orange: rgb(255, 56, 17);
      --accent-hover: rgb(230, 46, 7);
      --btn-black: rgb(10, 10, 10);
      --border-light: rgb(228, 230, 233);
      --border-mid: rgb(214, 217, 220);
      --shadow-card:
        0.6px 0.6px 0.8px -0.05px rgba(0,0,0,0.01),
        1.6px 1.6px 2.3px -0.1px rgba(0,0,0,0.02),
        3.5px 3.5px 5px -0.15px rgba(0,0,0,0.03),
        7.9px 7.9px 11px -0.2px rgba(0,0,0,0.06),
        20px 20px 28px -0.25px rgba(0,0,0,0.12);
      --shadow-float: 0px 20px 48px -10px rgba(0,0,0,0.14), 0px 6px 16px rgba(0,0,0,0.04);
      --shadow-btn:
        0px 43px 12px 0px rgba(0,0,0,0.01),
        0px 28px 11px 0px rgba(0,0,0,0.02),
        0px 16px 9px 0px rgba(0,0,0,0.1),
        0px 7px 7px 0px rgba(0,0,0,0.19),
        0px 2px 4px 0px rgba(0,0,0,0.2);
      --shadow-btn-hover: 0px 28px 16px 0px rgba(246,88,88,0.15), 0px 10px 10px 0px rgba(0,0,0,0.2);
      --font-display: 'Boldonse', sans-serif;
      --font-ui: 'Geist', sans-serif;
      --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
      --ease-color: cubic-bezier(0.44, 0, 0.56, 1);
      --sp-3: 24px;
      --radius-card: 32px;
      --radius-inner: 24px;
      --container: 1180px;
      --gutter: 24px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; overflow-x: clip; }

    body {
      background: var(--bg-page);
      font-family: var(--font-ui);
      color: var(--text-main);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: clip;
      line-height: 1.5;
    }

    a { color: inherit; }
    button { font: inherit; }
    img { max-width: 100%; display: block; }
    ::selection { background: var(--accent-orange); color: #fff; }

    .container {
      width: 100%;
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 var(--gutter);
    }

    /* ================= TYPOGRAPHY ================= */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: 9999px;
      padding: 9px 16px;
      font-family: var(--font-display);
      font-size: 11px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      line-height: 1;
      color: var(--text-main);
      white-space: nowrap;
    }

    .badge .dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent-orange);
      animation: pulse 1.6s infinite;
      flex: none;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.35); opacity: 0.55; }
    }

    .section-tag {
      font-family: var(--font-display);
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--text-faint);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .section-tag::before {
      content: "";
      width: 24px;
      height: 1px;
      background: var(--accent-orange);
      flex: none;
    }

    h2.section-title {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: clamp(32px, 4.4vw, 50px);
      line-height: 1.24;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      color: var(--text-main);
      font-feature-settings: "cv09" 1, "cv03" 1, "cv04" 1, "cv11" 1, "blwf" 1;
    }

    .section-title .accent { color: var(--accent-orange); }

    .section-sub {
      font-size: 17px;
      font-weight: 500;
      line-height: 1.6;
      letter-spacing: 0.01em;
      color: var(--text-muted);
      max-width: 460px;
    }

    /* ================= BUTTONS ================= */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: var(--btn-black);
      color: var(--text-inverted);
      text-decoration: none;
      border: none;
      border-radius: 32px;
      height: 54px;
      min-width: 232px;
      padding: 0 22px 0 28px;
      box-shadow: var(--shadow-btn);
      transition: background-color 0.3s var(--ease-color), box-shadow 0.3s ease, transform 0.3s var(--ease-out);
      cursor: pointer;
      white-space: nowrap;
    }

    .btn:hover {
      background: var(--accent-hover);
      box-shadow: var(--shadow-btn-hover);
      transform: translateY(-2px);
    }

    .btn:active { transform: translateY(0); }

    .btn[hidden] { display: none; }

    .btn:disabled { opacity: 0.6; cursor: default; pointer-events: none; transform: none; }

    .btn .txt {
      height: 22px;
      line-height: 22px;
      overflow: hidden;
      position: relative;
      display: block;
      text-align: left;
    }

    .btn .txt span {
      display: block;
      height: 22px;
      line-height: 22px;
      font-family: var(--font-display);
      font-size: 14px;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      color: inherit;
      white-space: nowrap;
      transition: transform 0.3s var(--ease-out);
    }

    .btn .txt .clone { position: absolute; top: 100%; left: 0; width: 100%; }
    .btn:hover .txt span { transform: translateY(-100%); }

    .btn .ico {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 14px;
      flex: none;
      transition: transform 0.3s var(--ease-out);
    }

    .btn:hover .ico { transform: translateX(4px); }

    .btn-ghost {
      background: transparent;
      color: var(--text-main);
      border: 1px solid var(--border-mid);
      box-shadow: none;
    }

    .btn-ghost:hover {
      background: var(--text-main);
      color: #fff;
      border-color: var(--text-main);
      box-shadow: none;
    }

    .btn-accent {
      background: var(--accent-orange);
      color: #fff;
      border: none;
    }

    .btn-accent:hover {
      background: var(--accent-hover);
      color: #fff;
    }

    .btn-sm { height: 46px; min-width: 0; padding: 0 20px; box-shadow: none; gap: 12px; }
    .btn-sm .txt span { font-size: 13px; }
    .btn-sm:hover { box-shadow: none; }

    /* ================= HEADER ================= */
    .site-header {
      position: relative;
      z-index: 200;
      padding: 14px 0;
      background: var(--bg-page);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      font-family: var(--font-display);
      font-size: 21px;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      color: var(--text-main);
      line-height: 1;
      white-space: nowrap;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      display: block;
      flex: none;
      overflow: hidden;
      transition: transform 0.4s var(--ease-out);
    }

    .logo-mark svg {
      display: block;
      width: 100%;
      height: 100%;
    }

    .logo:hover .logo-mark { transform: rotate(-90deg); }

    .logo .accent { color: var(--accent-orange); }

    .logo-name {
      display: block;
      font-family: var(--font-display);
      line-height: 1.16;
      white-space: nowrap;
    }

    .header-inner .logo { font-size: 18px; letter-spacing: 0.01em; }
    .header-inner .logo .logo-mark { width: 46px; height: 46px; }

    .header-nav { display: flex; align-items: center; gap: 26px; }

    .header-nav a {
      text-decoration: none;
      font-family: var(--font-display);
      font-size: 13px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
      white-space: nowrap;
      transition: color 0.25s var(--ease-color);
    }

    .header-nav a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 100%;
      height: 1.5px;
      background: var(--accent-orange);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.35s var(--ease-out);
    }

    .header-nav a:hover { color: var(--text-main); }
    .header-nav a:hover::after { transform: scaleX(1); }

    .header-actions { display: flex; align-items: center; gap: 12px; position: relative; }

    .menu-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border: 1px solid var(--border-mid);
      background: var(--card-bg);
      border-radius: 50%;
      color: var(--text-main);
      cursor: pointer;
      transition: background 0.25s var(--ease-color), color 0.25s var(--ease-color);
    }

    .menu-toggle:hover { background: var(--text-main); color: #fff; }

    .burger { display: flex; flex-direction: column; gap: 4px; width: 16px; }
    .burger i { display: block; height: 2px; width: 100%; background: currentColor; border-radius: 2px; transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out); }
    .menu-toggle.is-open .burger i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .menu-toggle.is-open .burger i:nth-child(2) { opacity: 0; }
    .menu-toggle.is-open .burger i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

    .popup-card {
      position: absolute;
      top: calc(100% + 14px);
      right: 0;
      width: min(360px, calc(100vw - 48px));
      background: var(--card-bg);
      border-radius: 24px;
      padding: 8px;
      box-shadow: var(--shadow-float);
      display: flex;
      flex-direction: column;
      gap: 8px;
      user-select: none;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-10px) scale(0.98);
      transform-origin: top right;
      transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out), visibility 0.35s;
    }

    .popup-card.is-open { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }

    .popup-nav { list-style: none; display: flex; flex-direction: column; gap: 18px; padding: 20px 20px 14px; }

    .popup-nav-link {
      display: flex;
      align-items: center;
      width: max-content;
      height: 30px;
      overflow: hidden;
      font-family: var(--font-display);
      font-size: 20px;
      line-height: 30px;
      color: var(--text-main);
      text-decoration: none;
    }

    .roll-char {
      display: inline-block;
      position: relative;
      height: 30px;
      line-height: 30px;
      transition: transform 0.4s var(--ease-out);
      transition-delay: calc(var(--char-index, 0) * 15ms);
    }

    .roll-char::after {
      content: attr(data-char);
      position: absolute;
      left: 0;
      top: 100%;
      width: 100%;
      height: 100%;
      line-height: 30px;
      color: inherit;
    }

    .popup-nav-link:hover .roll-char { transform: translateY(-30px); }

    .popup-subcard { background: var(--card-sub-bg); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 16px; }
    .popup-subcard p { font-size: 14px; line-height: 1.5; color: var(--text-muted); }

    /* ================= HERO (stacked) ================= */
    .hero {
      padding: clamp(44px, 6vw, 76px) 0 clamp(40px, 5vw, 60px);
      position: relative;
    }

    .hero::before {
      content: "";
      position: absolute;
      top: -160px;
      right: -180px;
      width: 520px;
      height: 520px;
      background: radial-gradient(circle, rgba(255, 56, 17, 0.10) 0%, transparent 68%);
      pointer-events: none;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 22px;
      position: relative;
    }

    h1.hero-title {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: clamp(36px, 4.6vw, 56px);
      line-height: 1.34;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      color: var(--text-main);
      font-feature-settings: "cv09" 1, "cv03" 1, "cv04" 1, "cv11" 1, "blwf" 1;
      max-width: 16ch;
      width: 100%;
    }

    h1.hero-title .accent { color: var(--accent-orange); }

    .hero-desc {
      font-size: 17px;
      font-weight: 500;
      line-height: 1.6;
      letter-spacing: 0.01em;
      color: var(--text-muted);
      max-width: 520px;
      margin: 0 auto;
    }

    .hero-cta {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      justify-content: center;
      margin-top: 4px;
    }

    /* ================= CROP TOOL (functional) ================= */
    .tool-card {
      margin-top: clamp(36px, 5vw, 56px);
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 18px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 14px;
      position: relative;
    }

    .tool-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 4px 8px 0;
      flex-wrap: wrap;
    }

    .tool-info { display: flex; align-items: center; gap: 14px; min-width: 0; flex-wrap: wrap; }

    .tool-file {
      font-size: 13.5px;
      color: var(--text-faint);
      font-weight: 500;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 300px;
    }

    .tool-file b { color: var(--text-main); font-weight: 600; }

    .tool-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

    .ratio-pills { display: flex; gap: 7px; flex-wrap: wrap; }

    .ratio-pill {
      border: 1px solid var(--border-light);
      background: var(--card-bg);
      border-radius: 9999px;
      padding: 0 14px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      font-family: var(--font-display);
      font-size: 11px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--text-main);
      cursor: pointer;
      transition: all 0.25s var(--ease-color);
    }

    .ratio-pill:hover { border-color: var(--text-main); transform: translateY(-1px); }

    .ratio-pill.is-active {
      background: var(--accent-orange);
      border-color: var(--accent-orange);
      color: #fff;
      box-shadow: 0 6px 14px rgba(255, 56, 17, 0.3);
    }

    .tool-stage {
      position: relative;
      border-radius: var(--radius-inner);
      overflow: hidden;
      height: clamp(300px, 40vw, 470px);
      background:
        linear-gradient(45deg, #17181a 25%, transparent 25%, transparent 75%, #17181a 75%),
        linear-gradient(45deg, #17181a 25%, #1d1e21 25%, #1d1e21 75%, #17181a 75%);
      background-size: 24px 24px;
      background-position: 0 0, 12px 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 16px;
      user-select: none;
      touch-action: pan-y;
    }

    .tool-stage.is-dragover { outline: 2px dashed var(--accent-orange); outline-offset: -8px; }

    .img-wrap {
      position: relative;
      line-height: 0;
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
    }

    .img-wrap img {
      display: block;
      width: 100%;
      height: 100%;
      pointer-events: none;
      -webkit-user-drag: none;
    }

    .crop-rect {
      position: absolute;
      outline: 1.5px solid rgba(255, 255, 255, 0.95);
      box-shadow: 0 0 0 9999px rgba(8, 8, 8, 0.58);
      cursor: move;
      touch-action: none;
      z-index: 2;
    }

    .crop-rect .thirds {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.38) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.38) 1px, transparent 1px);
      background-size: 33.333% 33.333%;
      pointer-events: none;
    }

    .handle {
      position: absolute;
      width: 18px;
      height: 18px;
      background: #fff;
      border: 3px solid var(--accent-orange);
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
      touch-action: none;
    }

    .handle[data-handle="tl"] { top: -3px; left: -3px; border-right: 0; border-bottom: 0; cursor: nwse-resize; }
    .handle[data-handle="tr"] { top: -3px; right: -3px; border-left: 0; border-bottom: 0; cursor: nesw-resize; }
    .handle[data-handle="bl"] { bottom: -3px; left: -3px; border-right: 0; border-top: 0; cursor: nesw-resize; }
    .handle[data-handle="br"] { bottom: -3px; right: -3px; border-left: 0; border-top: 0; cursor: nwse-resize; }

    .dim-tag {
      position: absolute;
      left: 50%;
      bottom: 10px;
      transform: translateX(-50%);
      background: rgba(10, 10, 10, 0.92);
      color: #fff;
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.06em;
      padding: 6px 12px;
      border-radius: 9999px;
      white-space: nowrap;
      line-height: 1.2;
      pointer-events: none;
    }

    .drop-hint {
      position: absolute;
      inset: 0;
      display: none;
      align-items: center;
      justify-content: center;
      font-family: var(--font-display);
      font-size: 15px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #fff;
      background: rgba(255, 56, 17, 0.28);
      backdrop-filter: blur(3px);
      z-index: 5;
      pointer-events: none;
    }

    .tool-stage.is-dragover .drop-hint { display: flex; }

    .stage-empty {
      position: absolute;
      inset: 16px;
      z-index: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 24px;
      border: 2px dashed rgba(255, 255, 255, 0.26);
      border-radius: var(--radius-inner);
      background: rgba(255, 255, 255, 0.035);
      color: #fff;
      cursor: pointer;
      text-align: center;
      transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
    }

    .stage-empty:hover {
      border-color: var(--accent-orange);
      background: rgba(255, 56, 17, 0.07);
    }

    .stage-empty:focus-visible { outline: 2px solid var(--accent-orange); outline-offset: -6px; }

    .stage-empty .se-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: var(--accent-orange);
      color: #fff;
      box-shadow: 0 8px 20px rgba(255, 56, 17, 0.35);
    }

    .stage-empty b {
      display: block;
      font-family: var(--font-display);
      font-size: clamp(16px, 2.2vw, 21px);
      font-weight: 400;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      line-height: 1.35;
    }

    .stage-empty .se-sub {
      display: block;
      font-family: var(--font-ui);
      font-size: 12.5px;
      letter-spacing: 0.04em;
      color: rgba(255, 255, 255, 0.55);
    }

    .tool-stage.has-image .stage-empty { display: none; }
    .tool-stage:not(.has-image) .img-wrap { display: none; }

    .tool-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 8px 4px;
      border-top: 1px solid var(--border-light);
      flex-wrap: wrap;
    }

    .tool-meta {
      display: flex;
      gap: 22px;
      font-size: 12.5px;
      color: var(--text-faint);
      flex-wrap: wrap;
      letter-spacing: 0.02em;
    }

    .tool-meta b {
      display: block;
      font-family: var(--font-display);
      font-size: 14px;
      letter-spacing: 0.03em;
      color: var(--text-main);
      font-weight: 400;
      margin-top: 2px;
    }

    .tool-actions { display: flex; gap: 10px; flex-wrap: wrap; }

    /* ---------- tool: extra rows ---------- */
    .tool-row {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      padding: 2px 8px 0;
    }

    .row-label {
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-faint);
      white-space: nowrap;
    }

    .row-sep { width: 1px; height: 24px; background: var(--border-light); flex: none; }
    .row-spacer { flex: 1; min-width: 0; }

    .pop-wrap { position: relative; display: inline-flex; }

    .pop-toggle { display: inline-flex; align-items: center; gap: 7px; }
    .pop-toggle .chev { transition: transform 0.3s var(--ease-out); }
    .pop-toggle.is-active .chev { transform: rotate(180deg); }

    .tool-pop {
      position: absolute;
      top: calc(100% + 10px);
      left: 0;
      z-index: 30;
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: 18px;
      box-shadow: var(--shadow-float);
      padding: 13px 15px;
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      max-width: min(640px, calc(100vw - 76px));
      animation: popIn 0.28s var(--ease-out);
    }

    .tool-pop[hidden] { display: none; }

    @keyframes popIn {
      from { opacity: 0; transform: translateY(-8px); }
    }

    .preset-pills { display: flex; gap: 7px; flex-wrap: wrap; }

    .preset-pill {
      border: 1px solid var(--border-light);
      background: var(--card-bg);
      border-radius: 9999px;
      padding: 0 14px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--text-main);
      cursor: pointer;
      transition: all 0.25s var(--ease-color);
      white-space: nowrap;
    }

    .preset-pill em {
      font-style: normal;
      font-size: 9px;
      letter-spacing: 0.06em;
      color: var(--text-faint);
      margin-left: 7px;
      transition: color 0.25s var(--ease-color);
    }

    .preset-pill:hover { border-color: var(--text-main); transform: translateY(-1px); }

    .preset-pill.is-active {
      background: var(--accent-orange);
      border-color: var(--accent-orange);
      color: #fff;
      box-shadow: 0 6px 14px rgba(255, 56, 17, 0.3);
    }

    .preset-pill.is-active em { color: rgba(255, 255, 255, 0.75); }

    .icon-group { display: flex; align-items: center; gap: 6px; }

    .icon-btn {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      border: 1px solid var(--border-light);
      background: var(--card-bg);
      color: var(--text-main);
      display: grid;
      place-items: center;
      cursor: pointer;
      padding: 0;
      transition: all 0.25s var(--ease-color);
      font-family: var(--font-display);
      font-size: 13px;
      letter-spacing: 0.03em;
      line-height: 1;
    }

    .icon-btn:hover { border-color: var(--text-main); transform: translateY(-1px); }

    .icon-btn.wide {
      width: auto;
      padding: 0 14px;
      border-radius: 9999px;
      font-size: 11px;
      letter-spacing: 0.06em;
    }

    .zoom-val {
      font-family: var(--font-display);
      font-size: 11px;
      letter-spacing: 0.05em;
      color: var(--text-muted);
      min-width: 48px;
      text-align: center;
    }

    /* ---------- tool: collapsible panels ---------- */
    .tool-panel {
      background: var(--card-bg);
      border: 1px solid var(--border-mid);
      border-radius: 16px;
      box-shadow: var(--shadow-card);
      padding: 18px 20px;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .tool-panel[hidden] { display: none; }

    .panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-bottom: 13px;
      border-bottom: 1px solid var(--border-light);
    }

    .panel-head .row-label { color: var(--text-main); }

    .link-btn {
      background: none;
      border: none;
      padding: 4px 0;
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--accent-orange);
      cursor: pointer;
      transition: color 0.25s var(--ease-color);
    }

    .link-btn:hover { color: var(--accent-hover); text-decoration: underline; }

    .sliders { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

    .slider {
      display: flex;
      flex-direction: column;
      gap: 9px;
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text-main);
    }

    .slider > span { display: flex; justify-content: space-between; gap: 10px; }
    .slider b { color: var(--text-main); font-weight: 400; }

    .tool-panel input[type="range"] {
      -webkit-appearance: none;
      appearance: none;
      width: 100%;
      height: 5px;
      background: var(--border-mid);
      border-radius: 9999px;
      outline: none;
      cursor: pointer;
    }

    .tool-panel input[type="range"]::-webkit-slider-thumb {
      -webkit-appearance: none;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--accent-orange);
      border: 3px solid var(--card-bg);
      box-shadow: 0 2px 7px rgba(0, 0, 0, 0.35);
      cursor: pointer;
      transition: transform 0.2s var(--ease-out);
    }

    .tool-panel input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }

    .tool-panel input[type="range"]::-moz-range-thumb {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--accent-orange);
      border: 3px solid var(--card-bg);
      box-shadow: 0 2px 7px rgba(0, 0, 0, 0.35);
      cursor: pointer;
    }

    .export-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
      gap: 18px;
      align-items: end;
    }

    .opt-group { display: flex; flex-direction: column; gap: 10px; }

    .opt-label {
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      gap: 10px;
    }

    .opt-label b { color: var(--text-main); font-weight: 400; }
    .opt-group[hidden] { display: none; }

    /* ---------- tool: queue & recent strips ---------- */
    .tool-strip {
      display: flex;
      align-items: center;
      gap: 14px;
      background: var(--card-sub-bg);
      border: 1px solid var(--border-light);
      border-radius: 16px;
      padding: 11px 15px;
    }

    .tool-strip[hidden] { display: none; }

    .chip-row {
      display: flex;
      gap: 8px;
      flex: 1;
      min-width: 0;
      overflow-x: auto;
      padding-bottom: 2px;
      scrollbar-width: thin;
    }

    .q-chip {
      position: relative;
      flex: none;
      width: 78px;
      height: 56px;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border-light);
      background: var(--card-bg);
      cursor: pointer;
      padding: 0;
      display: block;
      transition: border-color 0.25s var(--ease-color), transform 0.25s var(--ease-out);
    }

    .q-chip:hover { border-color: var(--accent-orange); transform: translateY(-2px); }

    .q-chip.is-active {
      border-color: var(--accent-orange);
      box-shadow: 0 0 0 2px var(--accent-orange);
    }

    .q-chip img { width: 100%; height: 100%; object-fit: cover; display: block; }

    .q-chip .q-x {
      position: absolute;
      top: 3px;
      right: 3px;
      width: 17px;
      height: 17px;
      border-radius: 50%;
      background: rgba(10, 10, 10, 0.78);
      color: #fff;
      border: none;
      font-size: 12px;
      line-height: 1;
      display: grid;
      place-items: center;
      cursor: pointer;
      padding: 0;
      transition: background 0.2s var(--ease-color);
    }

    .q-chip .q-x:hover { background: var(--accent-orange); }

    /* ---------- tool: toast ---------- */
    .toast {
      position: fixed;
      left: 50%;
      bottom: 30px;
      transform: translate(-50%, 24px);
      background: var(--text-main);
      color: var(--text-inverted);
      font-family: var(--font-display);
      font-size: 12px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 14px 24px;
      border-radius: 9999px;
      box-shadow: var(--shadow-float);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
      z-index: 500;
      white-space: nowrap;
      max-width: calc(100vw - 40px);
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .toast.is-on { opacity: 1; transform: translate(-50%, 0); }

    /* ================= MARQUEE ================= */
    .marquee-wrap {
      padding: 24px 0;
      border-top: 1px solid var(--border-mid);
      border-bottom: 1px solid var(--border-mid);
      overflow: hidden;
      margin-top: clamp(52px, 7vw, 84px);
      -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
      mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    }

    .marquee { display: flex; width: max-content; animation: scroll-x 34s linear infinite; }
    .marquee:hover { animation-play-state: paused; }

    .marquee span {
      font-family: var(--font-display);
      font-size: clamp(17px, 2.1vw, 23px);
      letter-spacing: 0.03em;
      text-transform: uppercase;
      color: rgba(10, 10, 10, 0.38);
      padding: 0 clamp(22px, 3vw, 44px);
      display: flex;
      align-items: center;
      gap: clamp(22px, 3vw, 44px);
      white-space: nowrap;
    }

    .marquee span::after {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--accent-orange);
      border-radius: 50%;
      flex: none;
      opacity: 0.65;
    }

    @keyframes scroll-x {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }

    /* ================= SECTIONS ================= */
    .section { padding: clamp(72px, 9vw, 120px) 0; }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 32px;
      margin-bottom: clamp(36px, 5vw, 56px);
      flex-wrap: wrap;
    }

    .section-head .head-left {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 20px;
    }

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

    .feature-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 34px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 18px;
      position: relative;
      overflow: hidden;
      transition: transform 0.45s var(--ease-out);
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--accent-orange);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.45s var(--ease-out);
    }

    .feature-card:hover { transform: translateY(-8px); }
    .feature-card:hover::before { transform: scaleX(1); }

    .feature-top { display: flex; align-items: center; justify-content: space-between; }

    .feature-index {
      font-family: var(--font-display);
      font-size: 15px;
      letter-spacing: 0.08em;
      color: var(--text-faint);
      transition: color 0.3s var(--ease-color);
    }

    .feature-card:hover .feature-index { color: var(--accent-orange); }

    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--card-sub-bg);
      display: grid;
      place-items: center;
      color: var(--text-main);
      transition: background 0.35s var(--ease-color), color 0.35s var(--ease-color), transform 0.45s var(--ease-out);
    }

    .feature-card:hover .feature-icon { background: var(--btn-black); color: #fff; transform: rotate(-8deg); }

    .feature-card h3 {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: 25px;
      line-height: 1.3;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      margin-top: 8px;
    }

    .feature-card p { font-size: 15px; line-height: 1.62; color: var(--text-muted); }

    .feature-foot {
      margin-top: auto;
      padding-top: 18px;
      border-top: 1px solid var(--border-light);
      font-family: var(--font-display);
      font-size: 11px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--text-faint);
    }

    .steps-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: clamp(32px, 5vw, 56px);
      box-shadow: var(--shadow-card);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      margin-top: clamp(32px, 4vw, 48px);
      border-top: 1px solid var(--border-light);
    }

    .step { padding: 34px 30px 6px 0; border-right: 1px solid var(--border-light); }
    .step:last-child { border-right: 0; padding-right: 0; }
    .step:not(:first-child) { padding-left: 30px; }

    .step-num {
      font-family: var(--font-display);
      font-size: 12px;
      letter-spacing: 0.1em;
      color: var(--accent-orange);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .step-num::after { content: ""; flex: 1; height: 1px; background: var(--border-light); }

    .step h4 {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: 23px;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .step p { font-size: 15px; line-height: 1.6; color: var(--text-muted); }

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

    .quote-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 32px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 24px;
      transition: transform 0.45s var(--ease-out);
    }

    .quote-card:hover { transform: translateY(-6px); }

    .stars { display: flex; gap: 4px; color: var(--accent-orange); }

    .quote-card blockquote {
      font-size: 16.5px;
      font-weight: 500;
      line-height: 1.6;
      letter-spacing: 0.01em;
      color: var(--text-main);
    }

    .quote-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: auto;
      padding-top: 20px;
      border-top: 1px solid var(--border-light);
    }

    .avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-family: var(--font-display);
      font-size: 14px;
      letter-spacing: 0.04em;
      color: #fff;
      flex: none;
    }

    .avatar.a1 { background: linear-gradient(135deg, #ff3811, #ff8a3d); }
    .avatar.a2 { background: linear-gradient(135deg, #0a0a0a, #4a4a4a); }
    .avatar.a3 { background: linear-gradient(135deg, #2b6cff, #6ea8ff); }
    .avatar.a4 { background: linear-gradient(135deg, #7a3cff, #b47cff); }
    .avatar.a5 { background: linear-gradient(135deg, #00a884, #4aded0); }

    .quote-author b { display: block; font-size: 14.5px; font-weight: 600; }
    .quote-author span { font-size: 13px; color: var(--text-faint); }

    .cta-section { padding-bottom: clamp(72px, 9vw, 120px); }

    .cta-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: clamp(36px, 5vw, 64px);
      box-shadow: var(--shadow-card);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 44px;
      flex-wrap: wrap;
      position: relative;
      overflow: hidden;
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -90px;
      bottom: -110px;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(255, 56, 17, 0.12), transparent 70%);
      pointer-events: none;
    }

    .cta-text { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; position: relative; z-index: 1; }

    .cta-title {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: clamp(36px, 4.6vw, 56px);
      line-height: 1.22;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      color: var(--text-main);
      font-feature-settings: "cv09" 1, "cv03" 1, "cv04" 1, "cv11" 1, "blwf" 1;
    }

    .cta-title .accent { display: block; color: var(--accent-orange); margin-top: 12px; }

    .cta-desc { font-size: 17px; font-weight: 500; line-height: 1.6; color: var(--text-muted); max-width: 430px; }

    .cta-side { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; position: relative; z-index: 1; }

    .cta-note { font-size: 13.5px; color: var(--text-muted); display: flex; align-items: center; gap: 9px; font-weight: 500; }
    .cta-note svg { color: var(--accent-orange); flex: none; }

    /* ================= FOOTER ================= */
    .site-footer {
      background: var(--btn-black);
      color: var(--text-inverted);
      border-radius: var(--radius-card) var(--radius-card) 0 0;
      padding: clamp(52px, 7vw, 80px) 0 32px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.3fr 2fr;
      gap: clamp(36px, 6vw, 80px);
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; max-width: 330px; }
    .footer-brand .logo { color: #fff; }
    .footer-brand p { font-size: 15px; line-height: 1.6; color: rgba(255, 255, 255, 0.55); }

    .footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

    .footer-col h5 {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: 11px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: rgba(255, 255, 255, 0.4);
      margin-bottom: 20px;
    }

    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 13px; }

    .footer-col a {
      text-decoration: none;
      font-size: 15px;
      color: rgba(255, 255, 255, 0.82);
      transition: color 0.25s var(--ease-color), padding-left 0.3s var(--ease-out);
      display: inline-block;
    }

    .footer-col a:hover { color: var(--accent-orange); padding-left: 5px; }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-top: 28px;
      flex-wrap: wrap;
    }

    .footer-bottom small { font-size: 13px; color: rgba(255, 255, 255, 0.4); letter-spacing: 0.03em; }

    .social-grid { display: flex; align-items: center; gap: 8px; list-style: none; }

    .btn-social {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      color: #fff;
      text-decoration: none;
      transition: background-color 0.25s ease, transform 0.25s ease;
    }

    .btn-social svg { width: 17px; height: 17px; transition: transform 0.25s ease; }
    .btn-social:hover { background: var(--accent-orange); transform: translateY(-3px); }
    .btn-social:hover svg { transform: scale(1.1); }

    /* ================= THEME TOGGLE ================= */
    .theme-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border: 1px solid var(--border-mid);
      background: var(--card-bg);
      border-radius: 50%;
      color: var(--text-main);
      cursor: pointer;
      flex: none;
      transition: background 0.25s var(--ease-color), color 0.25s var(--ease-color), transform 0.4s var(--ease-out);
    }

    .theme-toggle:hover {
      background: var(--text-main);
      color: var(--card-bg);
      transform: rotate(20deg);
    }

    .theme-toggle .ic-sun { display: none; }
    html[data-theme="dark"] .theme-toggle .ic-sun { display: block; }
    html[data-theme="dark"] .theme-toggle .ic-moon { display: none; }

    /* ================= BACK TO TOP ================= */
    .to-top {
      position: fixed;
      right: 26px;
      bottom: 26px;
      z-index: 190;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: 1px solid var(--border-mid);
      background: var(--card-bg);
      color: var(--text-main);
      display: grid;
      place-items: center;
      cursor: pointer;
      box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
      opacity: 0;
      visibility: hidden;
      transform: translateY(14px);
      transition:
        opacity 0.3s var(--ease-color),
        visibility 0.3s var(--ease-color),
        transform 0.4s var(--ease-out),
        background 0.25s var(--ease-color),
        color 0.25s var(--ease-color),
        border-color 0.25s var(--ease-color);
    }

    .to-top.is-on {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .to-top:hover {
      background: var(--card-bg);
      border-color: var(--accent-orange);
      color: var(--accent-orange);
      transform: translateY(-3px);
    }

    .to-top:focus-visible { outline: 2px solid var(--accent-orange); outline-offset: 3px; }

    .to-top svg { transition: transform 0.3s var(--ease-out); }
    .to-top:hover svg { transform: translateY(-2px); }

    @media (max-width: 640px) {
      .to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
    }

    /* ================= USE CASES ================= */
    .use-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

    .use-card {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: 24px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      transition: transform 0.4s var(--ease-out), border-color 0.3s var(--ease-color), box-shadow 0.4s var(--ease-out);
    }

    .use-card:hover {
      transform: translateY(-5px);
      border-color: var(--accent-orange);
      box-shadow: var(--shadow-card);
    }

    .use-ico {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: rgba(255, 56, 17, 0.1);
      color: var(--accent-orange);
      display: grid;
      place-items: center;
      margin-bottom: 6px;
      transition: transform 0.4s var(--ease-out);
    }

    .use-card:hover .use-ico { transform: scale(1.08) rotate(-6deg); }

    .use-card h4 {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: 20px;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      line-height: 1.3;
    }

    .use-card p { font-size: 14.5px; line-height: 1.6; color: var(--text-muted); }

    .use-tag {
      margin-top: auto;
      padding-top: 16px;
      border-top: 1px solid var(--border-light);
      font-family: var(--font-display);
      font-size: 11px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--text-faint);
    }

    /* ================= FAQ ================= */
    .faq-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: clamp(32px, 5vw, 56px);
    }

    .faq-list { margin-top: clamp(30px, 4vw, 44px); border-top: 1px solid var(--border-light); }

    .faq-item { border-bottom: 1px solid var(--border-light); }

    .faq-q {
      width: 100%;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 24px 0;
      cursor: pointer;
      text-align: left;
      font-family: var(--font-display);
      font-size: clamp(15px, 1.6vw, 19px);
      letter-spacing: 0.02em;
      text-transform: uppercase;
      line-height: 1.35;
      color: var(--text-main);
      transition: color 0.25s var(--ease-color);
    }

    .faq-q:hover { color: var(--accent-orange); }

    .faq-ico {
      position: relative;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      border: 1px solid var(--border-mid);
      flex: none;
      transition: background 0.3s var(--ease-color), border-color 0.3s var(--ease-color), color 0.3s var(--ease-color);
    }

    .faq-ico::before,
    .faq-ico::after {
      content: "";
      position: absolute;
      left: 50%;
      top: 50%;
      background: currentColor;
      transform: translate(-50%, -50%);
    }

    .faq-ico::before { width: 12px; height: 2px; }
    .faq-ico::after { width: 2px; height: 12px; transition: transform 0.35s var(--ease-out); }

    .faq-item.is-open .faq-ico {
      background: var(--accent-orange);
      border-color: var(--accent-orange);
      color: #fff;
    }

    .faq-item.is-open .faq-ico::after { transform: translate(-50%, -50%) scaleY(0); }

    .faq-a { max-height: 0; overflow: hidden; transition: max-height 0.5s var(--ease-out); }

    .faq-item.is-open .faq-a { max-height: 420px; }

    .faq-a p {
      padding: 0 60px 26px 0;
      font-size: 15.5px;
      line-height: 1.65;
      color: var(--text-muted);
      max-width: 760px;
    }

    /* ================= CAROUSEL (reviews) ================= */
    .quotes-viewport {
      display: flex;
      gap: 20px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      scroll-behavior: smooth;
      scroll-padding-left: 44px;
      scroll-padding-right: 44px;
      -ms-overflow-style: none;
      scrollbar-width: none;
      padding: 26px 44px 44px;
      margin: -26px -44px -40px;
    }

    .quotes-viewport::-webkit-scrollbar { display: none; }

    .quotes-viewport .quote-card {
      flex: 0 0 calc((100% - 40px) / 3);
      scroll-snap-align: start;
    }

    .carousel-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-top: 26px;
    }

    .carousel-bar.is-off { display: none; }

    .carousel-dots { display: flex; gap: 7px; align-items: center; }

    .carousel-dots i {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--border-mid);
      cursor: pointer;
      transition: all 0.3s var(--ease-out);
    }

    .carousel-dots i.is-on { background: var(--accent-orange); width: 22px; border-radius: 9999px; }

    .carousel-nav { display: flex; gap: 9px; }

    .car-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      border: 1px solid var(--border-mid);
      background: var(--card-bg);
      color: var(--text-main);
      cursor: pointer;
      display: grid;
      place-items: center;
      transition: all 0.25s var(--ease-color);
    }

    .car-btn:hover { background: var(--text-main); color: #fff; border-color: var(--text-main); }

    /* ================= BLOG ================= */
    .blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

    .blog-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      padding: 16px 16px 26px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      gap: 16px;
      text-decoration: none;
      color: inherit;
      transition: transform 0.45s var(--ease-out);
      overflow: hidden;
    }

    .blog-card:hover { transform: translateY(-8px); }

    .blog-cover {
      position: relative;
      height: 168px;
      border-radius: var(--radius-inner);
      overflow: hidden;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, #ff8a3d, #ff3811 55%, #141414);
    }

    .blog-cover.bc2 { background: linear-gradient(135deg, #141414, #2f2f33 55%, #ff3811); }
    .blog-cover.bc3 { background: linear-gradient(135deg, #ff3811, #ff6a3d 45%, #ffd23d); }

    .blog-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.2) 2px, transparent 2px);
      background-size: 22px 22px;
      opacity: 0.5;
    }

    .bc-glyph {
      font-family: var(--font-display);
      font-size: clamp(40px, 4vw, 54px);
      color: rgba(255, 255, 255, 0.94);
      letter-spacing: 0.03em;
      text-transform: uppercase;
      position: relative;
      z-index: 1;
      text-align: center;
      padding: 0 14px;
      line-height: 1.1;
    }

    .blog-body { display: flex; flex-direction: column; gap: 11px; padding: 0 8px; flex: 1; }

    .blog-meta {
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.09em;
      text-transform: uppercase;
      color: var(--accent-orange);
      display: flex;
      align-items: center;
      gap: 9px;
    }

    .blog-meta i { font-style: normal; color: var(--text-faint); }

    .blog-card h4 {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: 21px;
      line-height: 1.32;
      letter-spacing: 0.02em;
      text-transform: uppercase;
    }

    .blog-foot {
      margin-top: auto;
      padding-top: 15px;
      border-top: 1px solid var(--border-light);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-family: var(--font-display);
      font-size: 10.5px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--text-faint);
      transition: color 0.3s var(--ease-color);
    }

    .blog-foot svg { transition: transform 0.3s var(--ease-out); }
    .blog-card:hover .blog-foot { color: var(--accent-orange); }
    .blog-card:hover .blog-foot svg { transform: translateX(4px); }

    /* ================= LOGO MARQUEE ================= */
    .logo-marquee {
      display: flex;
      width: max-content;
      gap: 14px;
      padding-top: 22px;
      margin-top: 22px;
      border-top: 1px solid var(--border-mid);
      animation: scroll-x 30s linear infinite;
    }

    .logo-marquee:hover { animation-play-state: paused; }

    .logo-chip {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: 9999px;
      padding: 12px 21px;
      font-family: var(--font-display);
      font-size: 13px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--text-main);
      white-space: nowrap;
      box-shadow: 0 5px 14px rgba(0, 0, 0, 0.07);
    }

    .logo-chip svg { color: var(--accent-orange); flex: none; }

    /* ================= ANIMATIONS ================= */
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
      transition-delay: var(--d, 0ms);
    }

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

    .hero-anim {
      opacity: 0;
      transform: translateY(22px);
      animation: heroIn 0.9s var(--ease-out) forwards;
      animation-delay: var(--d, 0ms);
    }

    @keyframes heroIn { to { opacity: 1; transform: translateY(0); } }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
      .reveal { opacity: 1; transform: none; }
      .hero-anim { opacity: 1; transform: none; }
    }

    /* ================= SEO CONTENT ================= */
    .prose-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: clamp(32px, 5vw, 56px);
      margin-top: clamp(28px, 4vw, 44px);
    }

    .prose-card h3 {
      font-family: var(--font-display);
      font-weight: 400;
      font-size: clamp(19px, 2.1vw, 26px);
      letter-spacing: 0.02em;
      text-transform: uppercase;
      line-height: 1.3;
      color: var(--text-main);
      margin: 36px 0 14px;
      scroll-margin-top: 24px;
    }

    .prose-card h3:first-child { margin-top: 0; }

    .prose-card h3::before {
      content: "/ ";
      color: var(--accent-orange);
    }

    .prose-card p {
      font-size: 16.5px;
      line-height: 1.78;
      color: var(--text-muted);
      max-width: 900px;
      margin-bottom: 18px;
    }

    .prose-card p:last-child { margin-bottom: 0; }

    .prose-card strong { color: var(--text-main); font-weight: 600; }

    .prose-card ul,
    .prose-card ol { margin: 0 0 18px; padding-left: 24px; }

    .prose-card li {
      font-size: 16.5px;
      line-height: 1.78;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .prose-card li::marker { color: var(--accent-orange); }

    .prose-card li:last-child { margin-bottom: 0; }

    .prose-card a:not(.btn) { color: var(--accent-orange); text-decoration: none; }

    .prose-card a:not(.btn):hover { text-decoration: underline; }

    .prose-card code {
      font-size: 0.92em;
      background: rgba(127, 127, 127, 0.12);
      border-radius: 6px;
      padding: 2px 7px;
      color: var(--text-main);
    }

    section[id], .tool-card[id] { scroll-margin-top: 24px; }

    /* ================= RESPONSIVE ================= */
    @media (max-width: 1150px) {
      .header-nav { display: none; }
      .menu-toggle { display: flex; }
    }

    @media (max-width: 1080px) {
      h1.hero-title { max-width: 100%; }
    }

    @media (max-width: 900px) {
      .quotes-grid,
      .steps-grid { grid-template-columns: 1fr; }

      .features-grid,
      .use-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

      .quotes-viewport .quote-card { flex: 0 0 86%; }
      .blog-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
      .sliders { grid-template-columns: 1fr; }

      .steps-grid { border-top: 1px solid var(--border-light); }
      .step { border-right: 0; border-bottom: 1px solid var(--border-light); padding: 28px 0; }
      .step:not(:first-child) { padding-left: 0; }
      .step:last-child { border-bottom: 0; padding-bottom: 6px; }
      .step-num::after { display: none; }
      .footer-top { grid-template-columns: 1fr; }
      .tool-controls { width: 100%; justify-content: space-between; }
    }

    @media (max-width: 640px) {
      :root { --radius-card: 26px; --radius-inner: 20px; --gutter: 20px; }
      .cta-card { padding: 32px 24px; }
      .feature-card, .quote-card { padding: 26px 24px; }
      .footer-cols { grid-template-columns: 1fr 1fr; }
      .hero-cta { width: 100%; flex-direction: column; }
      .hero-cta .btn { width: 100%; min-width: 0; }
      .tool-card { padding: 12px; }
      .tool-foot { flex-direction: column; align-items: stretch; }
      .tool-file { display: none; }
      .tool-topbar { gap: 8px; }
      .tool-topbar .badge { padding: 9px 12px; }
      .tool-controls { display: contents; }
      .tool-controls .btn { height: 40px; padding: 0 14px; gap: 7px; }
      .tool-controls .btn .txt span { font-size: 12px; }
      .ratio-pills { width: 100%; justify-content: space-between; }
      .ratio-pills .ratio-pill { flex: 1; min-width: 0; justify-content: center; padding: 0 6px; font-size: 12.5px; white-space: nowrap; }
      .tool-actions { width: 100%; gap: 8px; }
      .tool-actions .btn { flex: 1; min-width: 0; justify-content: center; padding: 0; gap: 0; }
      .tool-actions .btn .txt { display: none; }
      .row-spacer { display: none; }
      .tool-row { justify-content: space-between; gap: 6px; }
      .tool-row .ratio-pill { padding: 0 9px; gap: 5px; height: 34px; font-size: 12px; }
      .tool-stage { height: clamp(340px, 52vh, 460px); }
      .export-grid { grid-template-columns: 1fr; }
      .tool-strip { flex-wrap: wrap; }
      .quotes-viewport .quote-card { flex: 0 0 92%; }
      .section { padding: 60px 0; }
    }

    @media (max-width: 480px) {
      .header-actions > .btn { display: none; }
      .header-inner .logo { font-size: 14px; gap: 9px; }
      .header-inner .logo .logo-mark { width: 34px; height: 34px; }
      .footer-cols { grid-template-columns: 1fr; }
      .tool-card { padding: 10px; }
      .tool-pop { max-width: calc(100vw - 40px); }
      .tool-row > .pop-wrap:nth-child(2) .tool-pop { left: auto; right: 0; }
      .stage-empty { inset: 12px; padding: 16px; }
      .stage-empty b { font-size: 15px; }
      .stage-empty .se-sub { font-size: 11.5px; }
      .tool-topbar { gap: 5px; }
      .tool-topbar .badge { padding: 9px 10px; font-size: 10px; }
      .tool-controls .btn { height: 36px; padding: 0 11px; gap: 5px; }
      .tool-controls .btn .txt span { font-size: 11.5px; }
      .tool-row { gap: 3px; }
      .tool-row .ratio-pill { padding: 0 5px; gap: 3px; font-size: 10px; }
    }

    @media (max-width: 340px) {
      .ratio-pills .ratio-pill { font-size: 11px; padding: 0 2px; }
      .tool-row { gap: 2px; }
      .tool-row .ratio-pill { padding: 0 4px; gap: 0; font-size: 9.5px; }
      .tool-row .chev { display: none; }
      .tool-topbar { flex-wrap: wrap; }
    }

    @media (min-width: 641px) and (max-width: 900px) {
      .tool-actions { margin-left: auto; }
    }

    /* ================= DARK MODE ================= */
    html[data-theme="dark"] {
      --bg-page: #0f1012;
      --card-bg: #1a1c1f;
      --card-sub-bg: #232529;
      --text-main: #f1f2f3;
      --text-muted: #a9abaf;
      --text-faint: #75777c;
      --text-inverted: #0a0a0a;
      --btn-black: #ffffff;
      --border-light: #2b2d31;
      --border-mid: #36383d;
      --shadow-card:
        1px 1px 2px rgba(0, 0, 0, 0.35),
        6px 6px 16px rgba(0, 0, 0, 0.35),
        16px 16px 40px rgba(0, 0, 0, 0.4);
      --shadow-float: 0px 20px 48px -10px rgba(0, 0, 0, 0.6), 0px 6px 16px rgba(0, 0, 0, 0.4);
      --shadow-btn: 0px 16px 9px 0px rgba(0, 0, 0, 0.3), 0px 7px 7px 0px rgba(0, 0, 0, 0.4), 0px 2px 4px 0px rgba(0, 0, 0, 0.5);
      --shadow-btn-hover: 0px 28px 16px 0px rgba(246, 88, 88, 0.2), 0px 10px 10px 0px rgba(0, 0, 0, 0.45);
    }

    html[data-theme="dark"] .btn-ghost:hover { color: #0a0a0a; }
    html[data-theme="dark"] .menu-toggle:hover { color: #0a0a0a; }
    html[data-theme="dark"] .feature-card:hover .feature-icon { color: #0a0a0a; }
    html[data-theme="dark"] .marquee span { color: rgba(255, 255, 255, 0.34); }
    html[data-theme="dark"] .ratio-pill { background: transparent; }
    html[data-theme="dark"] .use-ico { background: rgba(255, 56, 17, 0.16); }
    html[data-theme="dark"] .site-footer { background: #0a0a0a; color: #ffffff; }
    html[data-theme="dark"] .avatar { color: #fff; }

    /* ================= LANGUAGE SWITCHER ================= */
    .lang-switch { position: relative; }

    .lang-switch > summary {
      list-style: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      padding: 0;
      border: 1px solid var(--border-mid);
      background: var(--card-bg);
      border-radius: 50%;
      color: var(--text-main);
      font-family: var(--font-display);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      white-space: nowrap;
      flex: none;
      transition: background 0.25s var(--ease-color), color 0.25s var(--ease-color), border-color 0.25s var(--ease-color);
    }

    .lang-switch > summary::-webkit-details-marker { display: none; }
    .lang-switch > summary:hover { background: var(--text-main); color: var(--card-bg); border-color: var(--text-main); }

    .lang-current { display: block; }

    .lang-menu {
      position: absolute;
      top: calc(100% + 10px);
      right: 0;
      z-index: 60;
      min-width: 210px;
      max-height: 340px;
      overflow-y: auto;
      margin: 0;
      padding: 8px;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 2px;
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: 18px;
      box-shadow: var(--shadow-float);
    }

    html[dir="rtl"] .lang-menu { right: auto; left: 0; }

    .lang-menu a {
      display: block;
      padding: 9px 14px;
      border-radius: 10px;
      font-size: 14px;
      color: var(--text-muted);
      text-decoration: none;
      transition: background 0.2s var(--ease-color), color 0.2s var(--ease-color);
    }

    .lang-menu a:hover { background: rgba(127, 127, 127, 0.12); color: var(--text-main); }
    .lang-menu a[aria-current="true"] { color: var(--accent-orange); font-weight: 600; }

    .site-footer .lang-switch > summary {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.16);
      color: #fff;
    }

    .site-footer .lang-switch > summary:hover { background: #fff; color: #0a0a0a; border-color: #fff; }
    .site-footer .lang-menu { background: #141518; border-color: rgba(255, 255, 255, 0.14); }
    .site-footer .lang-menu a { color: rgba(255, 255, 255, 0.66); }
    .site-footer .lang-menu a:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

    /* ================= RIGHT-TO-LEFT ================= */
    html[dir="rtl"] .popup-card { right: auto; left: 0; transform-origin: top left; }
    html[dir="rtl"] .header-nav a::after { left: auto; right: 0; transform-origin: right; }
    html[dir="rtl"] .to-top { right: auto; left: 26px; }
    html[dir="rtl"] .roll-link { direction: ltr; }