    :root {
      --bg: #01011D;
      --bg-soft: #060b2d;
      --text: #edf2ff;
      --muted: rgba(223, 232, 255, 0.68);
      --line: rgba(255, 255, 255, 0.08);
      --glass: rgba(18, 27, 71, 0.42);
      --blue: #59a3ff;
      --blue-strong: #2f7dff;
      --blue-glow: rgba(56, 130, 255, 0.42);
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      margin: 0;
      padding: 0;
      min-height: 100%;
      scroll-behavior: smooth;
    }

    body {
      color: var(--text);
      background: radial-gradient(circle at 12% -4%, rgba(52, 118, 255, 0.28), rgba(1, 1, 29, 0) 36%),
        radial-gradient(circle at 80% -8%, rgba(68, 166, 255, 0.16), rgba(1, 1, 29, 0) 34%),
        var(--bg);
      font-family: Manrope, "Segoe UI", "Noto Sans", sans-serif;
      overflow-x: hidden;
    }

    .page-glow {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background-image:
        linear-gradient(115deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
      background-size: 42px 42px, 42px 42px;
      mask-image: radial-gradient(circle at center, #000 50%, transparent 94%);
      opacity: 0.5;
    }

    .flow-layer {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }

    .flow-line {
      position: absolute;
      width: 40%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(126, 183, 255, 0.8), transparent);
      filter: drop-shadow(0 0 8px rgba(89, 163, 255, 0.75));
      animation: moveFlow 7s linear infinite;
      opacity: 0.45;
    }

    .flow-line:nth-child(1) { top: 22%; left: -25%; }
    .flow-line:nth-child(2) { top: 48%; left: -35%; animation-duration: 9s; }
    .flow-line:nth-child(3) { top: 72%; left: -20%; animation-duration: 11s; }

    @keyframes moveFlow {
      from { transform: translateX(0); }
      to { transform: translateX(180vw); }
    }

    .container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    #announce-bar {
      position: sticky;
      top: 0;
      z-index: 60;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      letter-spacing: 0.01em;
      color: rgba(236, 245, 255, 0.92);
      background: #01011D;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      padding: 0 16px;
    }

    #announce-bar strong { color: #9fcbff; }

    #site-header {
      position: sticky;
      top: 36px;
      z-index: 50;
      height: 74px;
      background: rgba(1, 1, 29, 0.88);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .header-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .header-logo {
      display: inline-flex;
      align-items: center;
      text-decoration: none;
      line-height: 1;
      flex-shrink: 0;
    }

    .header-logo-img {
      width: 220px;
      height: 42px;
      object-fit: cover;
      object-position: center;
      border-radius: 5px;
      display: block;
    }

    .header-nav {
      display: flex;
      gap: 6px;
      align-items: center;
    }

    .header-nav a {
      color: rgba(237, 242, 255, 0.68);
      text-decoration: none;
      font-size: 0.88rem;
      padding: 8px 14px;
      border-radius: 9px;
      transition: color 0.16s ease, background 0.16s ease;
    }

    .header-nav a:hover {
      color: #fff;
      background: rgba(89, 163, 255, 0.12);
    }

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

    .mobile-menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 12px;
      border: 1px solid rgba(110, 145, 240, 0.18);
      background: rgba(255,255,255,0.03);
      color: #e6efff;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: background 0.2s ease, border-color 0.2s ease;
    }

    .mobile-menu-toggle:hover {
      background: rgba(255,255,255,0.06);
      border-color: rgba(110, 145, 240, 0.28);
    }

    .mobile-menu-toggle span,
    .mobile-menu-toggle::before,
    .mobile-menu-toggle::after {
      content: "";
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform 0.2s ease, opacity 0.2s ease;
      position: absolute;
    }

    .mobile-menu-toggle {
      position: relative;
    }

    .mobile-menu-toggle::before { transform: translateY(-6px); }
    .mobile-menu-toggle::after { transform: translateY(6px); }

    .mobile-menu-toggle.is-open span { opacity: 0; }
    .mobile-menu-toggle.is-open::before { transform: rotate(45deg); }
    .mobile-menu-toggle.is-open::after { transform: rotate(-45deg); }

    .mobile-nav {
      display: none;
      background: rgba(1, 1, 29, 0.98);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      overflow: hidden;
      max-height: 0;
      opacity: 0;
      transition: max-height 0.25s ease, opacity 0.2s ease;
    }

    .mobile-nav.is-open {
      max-height: 520px;
      opacity: 1;
    }

    .mobile-nav-inner {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      padding: 16px 0 18px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .mobile-nav-links {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .mobile-nav a {
      text-decoration: none;
    }

    .mobile-nav-link {
      display: flex;
      align-items: center;
      min-height: 46px;
      padding: 0 14px;
      border-radius: 12px;
      color: rgba(237, 242, 255, 0.84);
      background: rgba(255,255,255,0.02);
      border: 1px solid rgba(255,255,255,0.04);
    }

    .mobile-nav-actions {
      display: flex;
      flex-direction: column;
      gap: 10px;
      padding-top: 8px;
      border-top: 1px solid rgba(255,255,255,0.06);
      margin-top: 6px;
    }

    .mobile-login-link {
      display: flex;
      align-items: center;
      min-height: 46px;
      padding: 0 14px;
      border-radius: 12px;
      color: rgba(237, 242, 255, 0.9);
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.05);
    }

    .mobile-cta {
      width: 100%;
      min-height: 50px;
    }

    .header-login {
      font-size: 0.86rem;
      color: rgba(237, 242, 255, 0.58);
      text-decoration: none;
      transition: color 0.16s ease;
    }

    .header-login:hover { color: rgba(237, 242, 255, 0.9); }

    .btn-primary,
    .btn-secondary {
      border: none;
      font-family: inherit;
      cursor: pointer;
      border-radius: 12px;
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 0.01em;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    }

    .btn-primary {
      padding: 11px 18px;
      color: #f8fbff;
      background: linear-gradient(135deg, #1e63ff 0%, #3091ff 100%);
      box-shadow: 0 0 0 1px rgba(130, 188, 255, 0.42), 0 10px 32px rgba(47, 125, 255, 0.42);
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 0 1px rgba(130, 188, 255, 0.58), 0 14px 36px rgba(47, 125, 255, 0.54);
    }

    .btn-secondary {
      padding: 10px 18px;
      color: rgba(237, 242, 255, 0.9);
      background: rgba(48, 88, 170, 0.18);
      border: 1px solid rgba(124, 176, 255, 0.28);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }

    .btn-secondary:hover {
      transform: translateY(-1px);
      background: rgba(56, 112, 212, 0.24);
      box-shadow: 0 10px 26px rgba(18, 36, 86, 0.55);
    }

    main {
      padding: 28px 0 0;
      position: relative;
      z-index: 1;
    }

    .ref-wrap {
      width: min(1240px, calc(100% - 34px));
      margin: 0 auto 28px;
      position: relative;
    }

    .hero {
      min-height: 324px;
      border-radius: 22px;
      border: 1px solid rgba(136, 186, 255, 0.2);
      background:
        radial-gradient(circle at 78% 30%, rgba(60, 132, 255, 0.25), transparent 42%),
        radial-gradient(circle at 22% 0%, rgba(71, 152, 255, 0.17), transparent 39%),
        linear-gradient(155deg, rgba(16, 24, 64, 0.92), rgba(7, 11, 36, 0.9));
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 22px 58px rgba(5, 12, 42, 0.72);
      padding: 30px 28px;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 20px;
      overflow: hidden;
      position: relative;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(110deg, rgba(120,177,255,0.12) 1px, transparent 1px),
        linear-gradient(180deg, rgba(120,177,255,0.08) 1px, transparent 1px);
      background-size: 38px 38px;
      opacity: 0.28;
      pointer-events: none;
    }

    .hero-left {
      position: relative;
      z-index: 1;
      padding-top: 6px;
    }

    .hero-left h1 {
      margin: 0;
      font-size: clamp(1.9rem, 3.9vw, 2.85rem);
      line-height: 1.08;
      letter-spacing: -0.02em;
      font-family: "Space Grotesk", Manrope, sans-serif;
      text-wrap: balance;
    }

    .hero-sub {
      margin: 14px 0 0;
      font-size: 0.96rem;
      line-height: 1.62;
      color: rgba(221, 232, 255, 0.72);
      max-width: 36ch;
      white-space: pre-line;
    }

    .hero-cta {
      margin-top: 22px;
    }

    .hero-cta-note {
      margin-top: 10px;
      font-size: 0.78rem;
      color: rgba(205, 223, 250, 0.62);
      letter-spacing: 0.01em;
    }

    .hero-right {
      position: relative;
      z-index: 1;
      min-height: 250px;
    }

    .hero-bg-layers {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }

    .hero-radial {
      position: absolute;
      width: 420px;
      height: 420px;
      right: -120px;
      top: -110px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(59,130,246,0.06) 38%, rgba(59,130,246,0) 72%);
      filter: blur(8px);
    }

    .hero-streak {
      position: absolute;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(122,178,255,0), rgba(122,178,255,0.45), rgba(122,178,255,0));
      filter: blur(18px);
      opacity: 0.2;
    }

    .hero-streak.s1 {
      width: 280px;
      right: 30px;
      top: 64px;
      transform: rotate(-6deg);
    }

    .hero-streak.s2 {
      width: 240px;
      right: 0;
      top: 136px;
      transform: rotate(5deg);
      opacity: 0.16;
    }

    .hero-streak.s3 {
      width: 200px;
      right: 58px;
      top: 208px;
      transform: rotate(-4deg);
      opacity: 0.14;
    }

    .hero-orb {
      position: absolute;
      border-radius: 50%;
      background: rgba(87,159,255,0.25);
      filter: blur(48px);
      opacity: 0.24;
    }

    .hero-orb.o1 {
      width: 108px;
      height: 108px;
      right: 92px;
      top: 24px;
    }

    .hero-orb.o2 {
      width: 84px;
      height: 84px;
      right: 250px;
      top: 146px;
      opacity: 0.2;
    }

    .hero-orb.o3 {
      width: 76px;
      height: 76px;
      right: 48px;
      top: 206px;
      opacity: 0.16;
    }

    .hero-grid {
      position: absolute;
      inset: 16px 8px 8px 64px;
      background-image:
        linear-gradient(90deg, rgba(123,177,255,0.12) 1px, transparent 1px),
        linear-gradient(180deg, rgba(123,177,255,0.09) 1px, transparent 1px);
      background-size: 26px 26px;
      opacity: 0.09;
      mask-image: radial-gradient(circle at 70% 35%, #000 32%, transparent 86%);
      pointer-events: none;
    }

    .card-halo {
      position: absolute;
      border-radius: 50%;
      background: rgba(70,141,255,0.28);
      filter: blur(34px);
      z-index: 1;
      pointer-events: none;
    }

    .card-halo.halo-files {
      width: 150px;
      height: 74px;
      left: 54%;
      top: 12px;
      transform: translateX(-50%);
      opacity: 0.24;
    }

    .card-halo.halo-ksef {
      width: 164px;
      height: 84px;
      left: 56%;
      bottom: 8px;
      transform: translateX(-50%);
      opacity: 0.28;
    }

    .hero-flow-stack {
      position: absolute;
      inset: 6px 6px 6px 6px;
      display: grid;
      grid-template-rows: auto auto auto auto auto;
      justify-items: center;
      align-content: center;
      gap: 12px;
      z-index: 2;
    }

    .file-pair {
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .flow-chip {
      min-width: 84px;
      height: 48px;
      padding: 0 14px;
      border-radius: 12px;
      border: 1px solid rgba(132, 186, 255, 0.42);
      background: linear-gradient(160deg, rgba(27, 59, 147, 0.66), rgba(10, 24, 72, 0.74));
      box-shadow: 0 0 0 1px rgba(77, 145, 255, 0.14), 0 0 30px rgba(53, 122, 240, 0.4);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.84rem;
      letter-spacing: 0.02em;
      color: #e7f2ff;
    }

    .flow-chip.ksebridge-chip {
      min-width: 164px;
      height: 58px;
      border-color: rgba(126, 184, 255, 0.5);
      background: linear-gradient(160deg, rgba(24, 62, 162, 0.72), rgba(11, 28, 86, 0.78));
      box-shadow: 0 0 0 1px rgba(84, 155, 255, 0.2), 0 0 42px rgba(53, 122, 240, 0.52);
    }

    .flow-chip.ksef-chip {
      min-width: 152px;
      height: 58px;
      border-color: rgba(145, 205, 255, 0.62);
      background: linear-gradient(160deg, rgba(22, 76, 178, 0.78), rgba(12, 40, 118, 0.82));
      box-shadow: 0 0 0 1px rgba(96, 173, 255, 0.24), 0 0 48px rgba(67, 148, 255, 0.58);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .ksef-check {
      width: 20px;
      height: 20px;
      border-radius: 999px;
      border: 1px solid rgba(194, 232, 255, 0.55);
      background: rgba(119, 198, 255, 0.2);
      color: #dff3ff;
      font-size: 0.74rem;
      font-weight: 800;
      display: inline-grid;
      place-items: center;
      filter: drop-shadow(0 0 6px rgba(146, 219, 255, 0.9));
    }

    .hero-flow-arrow {
      width: 2px;
      height: 36px;
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(87,159,255,0.12), rgba(210,231,255,0.95), rgba(87,159,255,0.12));
      box-shadow: 0 0 10px rgba(102, 170, 255, 0.66), 0 0 24px rgba(92, 166, 255, 0.46);
      position: relative;
      overflow: hidden;
    }

    .hero-flow-arrow::after {
      content: "";
      position: absolute;
      left: -4px;
      bottom: -1px;
      width: 9px;
      height: 9px;
      border-right: 2px solid #d7ecff;
      border-top: 2px solid #d7ecff;
      transform: rotate(135deg);
      filter: drop-shadow(0 0 4px rgba(174, 216, 255, 0.88));
    }

    .hero-flow-arrow::before {
      content: "";
      position: absolute;
      left: -2px;
      top: -35%;
      width: 6px;
      height: 32%;
      background: linear-gradient(180deg, rgba(255,255,255,0), rgba(236, 248, 255, 0.95), rgba(255,255,255,0));
      filter: blur(1px);
      animation: arrowFlowVertical 1.75s linear infinite;
      opacity: 0.95;
    }

    @keyframes arrowFlowVertical {
      from { top: -35%; }
      to { top: 110%; }
    }

    .benefits-box {
      margin-top: 0;
      margin-bottom: 28px;
      border-radius: 14px;
      border: 1px solid rgba(130, 184, 255, 0.22);
      background: linear-gradient(170deg, rgba(16, 26, 70, 0.82), rgba(7, 12, 38, 0.88));
      box-shadow: 0 16px 44px rgba(5, 12, 40, 0.58), 0 0 36px rgba(59,130,246,0.12);
      padding: 0 10px;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
    }

    .benefit-row {
      min-height: 64px;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 32px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .benefit-row::-webkit-scrollbar { display: none; }

    .benefit-item {
      min-height: 64px;
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 0;
      color: rgba(230, 239, 255, 0.78);
      font-size: 0.9rem;
      line-height: 1.2;
      text-align: center;
      white-space: nowrap;
    }

    .benefit-item svg {
      width: 14px;
      height: 14px;
      color: var(--blue);
      filter: drop-shadow(0 0 6px rgba(89, 163, 255, 0.7));
    }

    .process {
      margin-top: 0;
      margin-bottom: 28px;
      border-radius: 16px;
      border: 1px solid rgba(125, 177, 255, 0.22);
      background: linear-gradient(165deg, rgba(13, 22, 60, 0.86), rgba(7, 11, 35, 0.9));
      box-shadow: 0 14px 34px rgba(4, 10, 34, 0.58), 0 0 28px rgba(59,130,246,0.08);
      padding: 16px 16px 12px;
    }

    .process-flow {
      display: grid;
      grid-template-columns: 1fr auto 1fr auto 1fr;
      gap: 14px;
      align-items: center;
      margin-bottom: 10px;
    }

    .process-block {
      position: relative;
      border-radius: 11px;
      border: 1px solid rgba(127, 181, 255, 0.34);
      background: linear-gradient(160deg, rgba(22, 48, 126, 0.66), rgba(9, 21, 61, 0.72));
      box-shadow: 0 0 24px rgba(44, 110, 225, 0.35);
      min-height: 74px;
      display: grid;
      place-items: center;
      padding: 12px 10px;
      font-weight: 700;
      font-size: 0.92rem;
      color: #eef5ff;
      text-align: center;
    }

    .process-block::after {
      content: "";
      position: absolute;
      left: 14%;
      right: 14%;
      bottom: -10px;
      height: 12px;
      border-radius: 999px;
      background: rgba(84, 160, 255, 0.32);
      filter: blur(10px);
      pointer-events: none;
    }

    .process-arrow {
      width: 60px;
      height: 3px;
      background: linear-gradient(90deg, rgba(96, 165, 250, 0.1), rgba(152, 203, 255, 0.75), rgba(232, 246, 255, 0.96), rgba(152, 203, 255, 0.72), rgba(96, 165, 250, 0.1));
      border-radius: 999px;
      position: relative;
      box-shadow: 0 0 10px rgba(104, 172, 255, 0.64), 0 0 24px rgba(104, 172, 255, 0.56), 0 0 38px rgba(104, 172, 255, 0.34);
      overflow: hidden;
    }

    .process-arrow::after {
      content: "";
      position: absolute;
      top: -4px;
      right: -1px;
      width: 9px;
      height: 9px;
      border-right: 2px solid #d7ecff;
      border-top: 2px solid #d7ecff;
      transform: rotate(45deg);
    }

    .process-arrow::before {
      content: "";
      position: absolute;
      top: -2px;
      left: -45%;
      width: 46%;
      height: 7px;
      background: linear-gradient(90deg, rgba(255,255,255,0), rgba(236, 248, 255, 0.95), rgba(255,255,255,0));
      filter: blur(2px);
      animation: arrowFlow 1.85s linear infinite;
      opacity: 0.9;
    }

    @keyframes arrowFlow {
      from { left: -45%; }
      to { left: 120%; }
    }

    .process-labels {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
      text-align: center;
    }

    .process-labels span {
      color: rgba(225, 236, 255, 0.9);
      font-size: 0.9rem;
      font-weight: 500;
      line-height: 1.45;
    }

    .integration-strip {
      margin-top: 0;
      margin-bottom: 28px;
      border-radius: 13px;
      border: 1px solid rgba(126, 179, 255, 0.2);
      background: linear-gradient(170deg, rgba(12, 21, 58, 0.78), rgba(6, 11, 34, 0.86));
      box-shadow: 0 10px 26px rgba(4, 9, 30, 0.54), 0 0 18px rgba(59,130,246,0.06);
      padding: 10px 16px 12px;
    }

    .integration-title {
      text-align: center;
      margin: 0 0 8px;
      font-size: 1.02rem;
      color: rgba(230, 239, 255, 0.82);
    }

    .logo-row {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
      color: rgba(194, 213, 241, 0.86);
      font-size: 1rem;
      font-weight: 500;
      letter-spacing: 0.01em;
    }

    .logo-row strong {
      font-weight: 700;
      color: rgba(222, 236, 255, 0.92);
    }

    .custom-system-note {
      margin-top: 0;
      border-radius: 14px;
      border: 1px solid rgba(126, 179, 255, 0.2);
      background: linear-gradient(170deg, rgba(13, 22, 60, 0.8), rgba(6, 11, 34, 0.88));
      box-shadow: 0 10px 26px rgba(4, 9, 30, 0.5), 0 0 18px rgba(59,130,246,0.08);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      padding: 20px 24px;
    }

    .custom-system-note h3 {
      margin: 0 0 12px;
      text-align: center;
      color: #edf4ff;
      font-size: clamp(1.25rem, 2.2vw, 1.45rem);
      font-family: "Space Grotesk", Manrope, sans-serif;
      letter-spacing: -0.01em;
    }

    .custom-system-note p {
      margin: 0;
      color: rgba(205, 220, 245, 0.86);
      font-size: 0.98rem;
      line-height: 1.72;
      text-wrap: pretty;
      max-width: 86ch;
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    /* === INFO SECTION === */
    .info-section {
      position: relative;
      margin-top: 0;
      margin-bottom: 28px;
      border-radius: 14px;
      border: 1px solid rgba(126, 179, 255, 0.2);
      background: linear-gradient(170deg, rgba(13, 22, 60, 0.8), rgba(6, 11, 34, 0.88));
      box-shadow: 0 10px 26px rgba(4, 9, 30, 0.5), 0 0 18px rgba(59,130,246,0.08);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      overflow: hidden;
      padding: 36px 24px;
    }

    .info-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 460px;
      height: 460px;
      background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
      pointer-events: none;
    }

    .info-section .container {
      width: 100%;
      margin: 0;
    }

    .info-section-inner {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
      opacity: 0;
    }

    .info-section h2 {
      font-size: clamp(28px, 4vw, 36px);
      font-weight: 700;
      color: #fff;
      margin: 0 0 24px;
      line-height: 1.3;
    }

    .info-text {
      color: rgba(245, 248, 255, 0.72);
      font-size: 1.05rem;
      line-height: 1.75;
      margin: 0 0 32px;
      text-align: left;
    }

    .info-text p {
      margin: 0 0 16px;
    }

    .info-text p:last-child {
      margin-bottom: 0;
    }

    .info-badge {
      display: inline-block;
      background: rgba(7, 19, 47, 0.9);
      border: 1px solid rgba(59, 130, 246, 0.3);
      border-radius: 12px;
      padding: 16px 24px;
      color: rgba(245, 248, 255, 0.85);
      font-size: 0.92rem;
      line-height: 1.5;
      box-shadow: 0 0 20px rgba(59, 130, 246, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
      margin-top: 16px;
    }

    .info-badge strong {
      color: #93c5fd;
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .info-section.is-visible .info-section-inner {
      animation: fadeInUp 0.6s ease-out forwards;
    }

    @media (max-width: 760px) {
      .info-section {
        padding: 28px 16px;
        border-radius: 12px;
      }

      .info-section h2 {
        font-size: clamp(22px, 5vw, 28px);
      }

      .info-section .info-text {
        font-size: 0.95rem;
      }

      .info-badge {
        padding: 14px 18px;
        font-size: 0.85rem;
      }
    }

    /* ── Sekcja kontaktowa ── */
    .contact-section-wrap {
      margin: 30px auto;
      width: min(1240px, calc(100% - 40px));
      scroll-margin-top: 80px;
    }

    .contact-section-inner {
      border-radius: 20px;
      border: 1px solid rgba(122, 174, 255, 0.18);
      background: linear-gradient(150deg, rgba(10,20,58,0.92), rgba(5,10,35,0.96));
      box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px rgba(59,130,246,0.08);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: start;
    }

    @media (max-width: 768px) {
      .contact-section-inner {
        grid-template-columns: 1fr;
        padding: 28px 20px;
        gap: 28px;
      }
    }

    .contact-left h2 {
      margin: 0 0 12px;
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-family: "Space Grotesk", Manrope, sans-serif;
      letter-spacing: -0.02em;
      color: #edf4ff;
      line-height: 1.2;
    }

    .contact-left p {
      margin: 0 0 28px;
      color: rgba(205, 220, 245, 0.78);
      font-size: 1rem;
      line-height: 1.7;
    }

    .contact-data {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .contact-data a {
      color: #7ab3ff;
      text-decoration: none;
      font-size: 0.97rem;
    }

    .contact-data a:hover { text-decoration: underline; }

    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-form label {
      display: flex;
      flex-direction: column;
      gap: 5px;
      font-size: 0.87rem;
      color: rgba(200, 215, 245, 0.82);
      font-weight: 500;
    }

    .contact-form input,
    .contact-form textarea {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(122,174,255,0.22);
      border-radius: 10px;
      color: #edf4ff;
      font-family: inherit;
      font-size: 0.97rem;
      padding: 11px 14px;
      outline: none;
      transition: border-color 0.2s;
      width: 100%;
      box-sizing: border-box;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
      border-color: rgba(122,174,255,0.6);
      background: rgba(255,255,255,0.06);
    }

    .contact-form input::placeholder,
    .contact-form textarea::placeholder {
      color: rgba(150,170,210,0.45);
    }

    .contact-form textarea {
      resize: vertical;
      min-height: 110px;
    }

    .contact-form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    @media (max-width: 520px) {
      .contact-form-row { grid-template-columns: 1fr; }
    }

    .contact-checkbox {
      display: flex;
      flex-direction: row !important;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.83rem;
      color: rgba(180,200,240,0.72);
      cursor: pointer;
    }

    .contact-checkbox input {
      width: 16px;
      height: 16px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .contact-checkbox a {
      color: #7ab3ff;
      text-decoration: underline;
    }

    .contact-submit {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      border-radius: 10px;
      border: none;
      background: linear-gradient(135deg, #2563eb, #1d4ed8);
      color: #fff;
      font-family: inherit;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: opacity 0.2s, transform 0.15s;
      align-self: flex-start;
    }

    .contact-submit:hover { opacity: 0.88; transform: translateY(-1px); }
    .contact-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

    #contact-status {
      font-size: 0.9rem;
      min-height: 1.2em;
    }

    #contact-status.ok { color: #4ade80; }
    #contact-status.err { color: #f87171; }

    .landing-footer {
      margin: 30px auto 24px;
      width: min(1240px, calc(100% - 40px));
      background: #01011D;
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: 14px;
      overflow: hidden;
      position: relative;
      z-index: 1;
    }

    .landing-footer-content {
      padding: 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-top-brand {
      margin-bottom: 14px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 0;
      margin-bottom: 0;
    }

    .footer-brand-logo {
      width: 150px;
      height: 34px;
      border-radius: 6px;
      object-fit: contain;
      object-position: left center;
    }

    .footer-company-logo {
      width: 280px;
      height: 68px;
      border-radius: 6px;
      object-fit: contain;
      object-position: right center;
      opacity: 0.95;
    }

    .footer-columns {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 24px;
    }

    .footer-col-title {
      margin: 0 0 10px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #eaf1ff;
      letter-spacing: 0.03em;
      text-transform: uppercase;
    }

    .footer-col-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .footer-col-list a,
    .footer-contact-lines a {
      color: rgba(205, 220, 245, 0.78);
      text-decoration: none;
      font-size: 0.92rem;
    }

    .footer-col-list a:hover,
    .footer-contact-lines a:hover,
    .footer-col-list a:focus,
    .footer-contact-lines a:focus {
      color: #dce9ff;
    }

    .footer-contact-lines {
      margin: 0;
      color: rgba(210, 222, 245, 0.78);
      line-height: 1.7;
      font-size: 0.92rem;
    }

    .footer-bottom {
      padding: 13px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
      font-size: 0.82rem;
      color: rgba(230, 236, 248, 0.62);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .footer-counter {
      font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
      font-size: 15px;
      letter-spacing: 2px;
      color: #4ea2ff;
      opacity: 0.9;
      white-space: nowrap;
      text-align: center;
      flex: 0 0 auto;
    }

    @media (max-width: 980px) {
      .hero {
        grid-template-columns: 1fr;
        padding: 24px;
      }

      .hero-right { min-height: 250px; }
    }

    @media (max-width: 920px) {
      .header-nav { display: none; }
      .header-login { display: none; }
      .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }

    @media (max-width: 900px) {
      .header-nav,
      .header-actions { display: none; }
      .mobile-menu-toggle,
      .mobile-nav { display: block; }
    }

    @media (max-width: 720px) {
      .container,
      .landing-footer,
      .ref-wrap { width: calc(100% - 20px); }
      #announce-bar { font-size: 0.72rem; }
      #site-header { height: 68px; }
      .header-logo-img { width: 170px; height: 34px; }
      .mobile-nav-inner { width: calc(100% - 20px); }
      .btn-primary,
      .btn-secondary { width: 100%; }
      .hero-left h1 { font-size: 2rem; }
      .hero-cta { max-width: 230px; }
      .hero-cta-note { max-width: 230px; }
      .process-flow { grid-template-columns: 1fr; gap: 10px; }
      .process-arrow { width: 2px; height: 28px; justify-self: center; }
      .process-arrow::after {
        top: auto;
        right: -4px;
        bottom: -1px;
        transform: rotate(135deg);
      }
      .process-labels { grid-template-columns: 1fr; }
      .footer-top-brand { flex-wrap: wrap; }
      .footer-columns { grid-template-columns: 1fr; gap: 18px; }
      .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
      .landing-footer-content,
      .footer-bottom { padding-left: 16px; padding-right: 16px; }
    }

    .hero-sales {
      position: relative;
      overflow: hidden;
      background: #01011d;
      padding: 48px 24px 28px;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 1240px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 40px;
      align-items: center;
      padding: 40px;
      border: 1px solid rgba(120, 160, 255, 0.18);
      border-radius: 28px;
      background:
        linear-gradient(180deg, rgba(18, 32, 80, 0.55), rgba(7, 14, 43, 0.68));
      box-shadow:
        0 0 0 1px rgba(255,255,255,0.02) inset,
        0 40px 100px rgba(0,0,0,0.45),
        0 0 80px rgba(59,130,246,0.10);
      backdrop-filter: blur(10px);
    }

    .hero-copy h1 {
      margin: 0 0 20px;
      font-size: clamp(42px, 6vw, 74px);
      line-height: 0.95;
      letter-spacing: -0.03em;
      color: #f5f8ff;
      font-weight: 800;
      max-width: 680px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      margin-bottom: 18px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(59,130,246,0.10);
      border: 1px solid rgba(96,165,250,0.18);
      color: #bcd2ff;
      font-size: 14px;
      font-weight: 600;
    }

    .hero-sub {
      max-width: 620px;
      margin: 0 0 28px;
      color: #b8c4e3;
      font-size: 22px;
      line-height: 1.55;
    }

    .hero-actions {
      display: flex;
      align-items: stretch;
      flex-wrap: nowrap;
      gap: 16px;
      margin-bottom: 16px;
    }

    .hero-cta,
    .hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 60px;
      padding: 0 28px;
      border-radius: 16px;
      border: 1px solid transparent;
      font-size: 16px;
      line-height: 1;
      flex: 1 1 0;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .hero-cta {
      color: #fff;
      font-weight: 700;
      background: linear-gradient(135deg, #2563eb, #4ea2ff);
      box-shadow:
        0 12px 30px rgba(37,99,235,0.35),
        0 0 30px rgba(78,162,255,0.25);
    }

    .hero-cta:hover {
      transform: scale(1.03);
      box-shadow:
        0 12px 30px rgba(37,99,235,0.35),
        0 0 30px rgba(59,130,246,0.4);
    }

    .hero-secondary {
      color: #d8e4ff;
      font-weight: 600;
      border: 1px solid rgba(110, 145, 240, 0.18);
      background: rgba(255,255,255,0.03);
    }

    .hero-secondary:hover {
      background: rgba(255,255,255,0.06);
    }

    .hero-meta {
      margin: 0;
      color: #8ea2cf;
      font-size: 15px;
    }

    .hero-visual {
      position: relative;
      min-height: 480px;
    }

    .flow-card {
      position: absolute;
      border-radius: 24px;
      border: 1px solid rgba(122, 163, 255, 0.22);
      background:
        linear-gradient(180deg, rgba(26, 47, 113, 0.85), rgba(10, 18, 49, 0.92));
      box-shadow:
        0 0 0 1px rgba(255,255,255,0.02) inset,
        0 24px 60px rgba(0,0,0,0.35),
        0 0 40px rgba(59,130,246,0.14);
      color: #eef4ff;
    }

    .flow-card.small {
      width: 120px;
      height: 120px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 28px;
      letter-spacing: 0.02em;
      z-index: 3;
      --tilt: 0deg;
      animation: float 6s ease-in-out infinite;
    }

    .flow-card.pdf {
      left: 36px;
      top: 70px;
      --tilt: -8deg;
    }

    .flow-card.xml {
      left: 150px;
      top: 96px;
      --tilt: 6deg;
      animation-delay: 0.35s;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0) rotate(var(--tilt)); }
      50% { transform: translateY(-8px) rotate(var(--tilt)); }
    }

    .flow-card.core {
      left: 84px;
      top: 210px;
      width: 320px;
      height: 160px;
      padding: 26px;
      z-index: 2;
      box-shadow:
        0 0 0 1px rgba(255,255,255,0.02) inset,
        0 24px 60px rgba(0,0,0,0.35),
        0 0 40px rgba(59,130,246,0.14),
        0 0 30px rgba(59,130,246,0.3);
    }

    .core-logo {
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 20px;
      color: #f0f5ff;
    }

    .core-lines {
      display: grid;
      gap: 12px;
    }

    .core-lines span {
      display: block;
      height: 12px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(95,160,255,0.85), rgba(95,160,255,0.16));
    }

    .core-lines span:nth-child(1) { width: 88%; }
    .core-lines span:nth-child(2) { width: 68%; }
    .core-lines span:nth-child(3) { width: 76%; }

    .flow-card.success {
      right: 10px;
      bottom: 40px;
      width: 270px;
      height: 180px;
      padding: 22px;
      z-index: 2;
      border-color: rgba(74,222,128,0.34);
      box-shadow:
        0 0 0 1px rgba(255,255,255,0.02) inset,
        0 24px 60px rgba(0,0,0,0.35),
        0 0 40px rgba(59,130,246,0.14),
        0 0 26px rgba(74,222,128,0.22);
    }

    .success-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #dfffea;
      font-size: 16px;
      margin-bottom: 18px;
    }

    .success-top .dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: #4ade80;
      box-shadow: 0 0 16px rgba(74,222,128,0.6);
    }

    .success-check {
      font-size: 64px;
      line-height: 1;
      color: #4ade80;
      text-shadow: 0 0 20px rgba(74,222,128,0.5);
    }

    .success-text {
      margin-top: 10px;
      color: #c8f7dc;
      font-size: 16px;
      text-shadow: 0 0 20px rgba(74,222,128,0.32);
    }

    .flow-line {
      position: absolute;
      z-index: 1;
      background: linear-gradient(90deg, rgba(78,162,255,0), rgba(115,193,255,0.95), rgba(78,162,255,0));
      filter: blur(1px);
      box-shadow: 0 0 18px rgba(78,162,255,0.65);
    }

    .line-pdf {
      left: 120px;
      top: 165px;
      width: 120px;
      height: 3px;
      transform: rotate(18deg);
    }

    .line-xml {
      left: 210px;
      top: 175px;
      width: 100px;
      height: 3px;
      transform: rotate(48deg);
    }

    .line-core {
      left: 330px;
      top: 300px;
      width: 210px;
      height: 4px;
    }

    .flow-pulse {
      position: absolute;
      border-radius: 999px;
      background: radial-gradient(circle, rgba(59,130,246,0.25) 0%, rgba(59,130,246,0.08) 40%, rgba(59,130,246,0) 74%);
      filter: blur(48px);
      z-index: 0;
      opacity: 0.95;
    }

    .pulse-1 {
      width: 420px;
      height: 420px;
      right: -30px;
      top: -24px;
    }

    .pulse-2 {
      width: 180px;
      height: 180px;
      left: 100px;
      top: 120px;
      opacity: 0.6;
    }

    .pulse-3 {
      width: 220px;
      height: 220px;
      left: 180px;
      bottom: 10px;
      opacity: 0.5;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      pointer-events: none;
    }

    .glow {
      position: absolute;
      border-radius: 999px;
      filter: blur(80px);
      opacity: 0.35;
    }

    .glow-1 {
      width: 520px;
      height: 520px;
      right: 8%;
      top: 60px;
      background: rgba(59,130,246,0.22);
    }

    .glow-2 {
      width: 320px;
      height: 320px;
      left: 18%;
      top: 160px;
      background: rgba(37,99,235,0.14);
    }

    .glow-3 {
      width: 720px;
      height: 240px;
      left: 50%;
      top: 340px;
      transform: translateX(-20%);
      background: rgba(30,64,175,0.10);
    }

    .grid-overlay {
      position: absolute;
      inset: 0;
      opacity: 0.06;
      background-image:
        linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
      background-size: 80px 80px;
    }

    @media (max-width: 980px) {
      .hero-inner {
        grid-template-columns: 1fr;
        padding: 28px;
      }

      .hero-copy h1 {
        font-size: 52px;
      }

      .hero-sub {
        font-size: 18px;
      }

      .hero-visual {
        min-height: 420px;
      }

    }

    @media (max-width: 640px) {
      .hero-sales {
        padding: 32px 16px 20px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .hero-copy h1 {
        font-size: 42px;
      }

      .hero-visual {
        min-height: 360px;
      }

      .flow-card.small {
        width: 86px;
        height: 86px;
        font-size: 20px;
      }

      .flow-card.pdf {
        left: 10px;
        top: 40px;
      }

      .flow-card.xml {
        left: 90px;
        top: 62px;
      }

      .flow-card.core {
        left: 20px;
        top: 150px;
        width: 220px;
        height: 120px;
        padding: 18px;
      }

      .core-logo {
        font-size: 24px;
      }

      .flow-card.success {
        right: 0;
        bottom: 18px;
        width: 180px;
        height: 130px;
      }

      .success-check {
        font-size: 42px;
      }

      .benefits-box {
        margin-top: 16px;
        margin-bottom: 24px;
      }
    }
