:root {
      --bg: #070914;
      --card: rgba(255,255,255,0.075);
      --card-strong: rgba(255,255,255,0.115);
      --card-border: rgba(255,255,255,0.13);
      --text: #f7f8ff;
      --muted: #aeb6d8;
      --primary: #7c5cff;
      --primary-2: #13d6ff;
      --accent: #49ffb6;
      --danger: #ff5c9a;
      --shadow: 0 28px 90px rgba(0,0,0,0.42);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      min-height: 100vh;
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
      background:
        radial-gradient(circle at 18% 12%, rgba(124,92,255,0.35), transparent 32%),
        radial-gradient(circle at 84% 18%, rgba(19,214,255,0.22), transparent 30%),
        radial-gradient(circle at 50% 100%, rgba(73,255,182,0.13), transparent 34%),
        var(--bg);
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.032) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.032) 1px, transparent 1px);
      background-size: 72px 72px;
      mask-image: radial-gradient(circle at 50% 18%, black, transparent 72%);
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 1;
      opacity: 0.055;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      color: inherit;
    }

    .container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .loader {
      position: fixed;
      inset: 0;
      z-index: 999;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle at 50% 38%, rgba(124,92,255,0.28), transparent 34%),
        #070914;
      transition: opacity 0.7s ease, visibility 0.7s ease;
    }

    .loader.hide {
      opacity: 0;
      visibility: hidden;
    }

    .loader-card {
      width: min(340px, calc(100% - 42px));
      padding: 34px;
      border-radius: 32px;
      text-align: center;
      background: rgba(255,255,255,0.085);
      border: 1px solid rgba(255,255,255,0.16);
      box-shadow: var(--shadow);
      backdrop-filter: blur(22px);
      animation: loaderIn 0.75s ease both;
    }

    .loader-mark {
      width: 62px;
      height: 62px;
      margin: 0 auto 18px;
      border-radius: 22px;
      background: conic-gradient(from 210deg, var(--primary), var(--primary-2), var(--accent), var(--primary));
      box-shadow: 0 0 60px rgba(124,92,255,0.72);
      animation: spinGlow 1.6s ease-in-out infinite;
    }

    .loader-card strong {
      display: block;
      font-size: 24px;
      letter-spacing: -0.05em;
    }

    .loader-card span {
      color: var(--muted);
      font-size: 14px;
    }

    @keyframes loaderIn {
      from { opacity: 0; transform: translateY(28px) scale(0.96); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }

    @keyframes spinGlow {
      0%, 100% { transform: rotate(0deg) scale(1); }
      50% { transform: rotate(10deg) scale(1.08); }
    }

    .glow-orb {
      position: fixed;
      left: 50%;
      top: 50%;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      pointer-events: none;
      background: radial-gradient(circle, rgba(124,92,255,0.22), transparent 65%);
      filter: blur(18px);
      transform: translate(-50%, -50%);
      z-index: 1;
    }

    .meteor-layer {
      position: fixed;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      overflow: hidden;
    }

    .meteor {
      position: absolute;
      top: -120px;
      left: 50%;
      width: var(--meteor-length, 180px);
      height: 2px;
      border-radius: 999px;
      opacity: 0;
      transform:
        translate3d(0, 0, 0)
        rotate(var(--meteor-angle, -38deg));
      background: linear-gradient(
        90deg,
        rgba(255,255,255,0),
        rgba(190,225,255,0.18),
        rgba(255,255,255,0.96)
      );
      box-shadow:
        0 0 18px rgba(120,190,255,0.75),
        0 0 42px rgba(124,92,255,0.28);
      filter: drop-shadow(0 0 8px rgba(19,214,255,0.55));
      animation: meteorFall var(--meteor-duration, 1.8s) linear forwards;
    }

    .meteor::after {
      content: "";
      position: absolute;
      right: -3px;
      top: 50%;
      width: 7px;
      height: 7px;
      border-radius: 999px;
      transform: translateY(-50%);
      background: #ffffff;
      box-shadow:
        0 0 12px #ffffff,
        0 0 30px rgba(19,214,255,0.9),
        0 0 52px rgba(124,92,255,0.55);
    }

    @keyframes meteorFall {
      0% {
        opacity: 0;
        transform:
          translate3d(0, 0, 0)
          rotate(var(--meteor-angle, -38deg))
          scaleX(0.72);
      }

      8% {
        opacity: var(--meteor-opacity, 0.95);
      }

      82% {
        opacity: var(--meteor-opacity, 0.95);
      }

      100% {
        opacity: 0;
        transform:
          translate3d(
            var(--meteor-x, -760px),
            var(--meteor-y, 760px),
            0
          )
          rotate(var(--meteor-angle, -38deg))
          scaleX(1);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      .meteor {
        animation: none;
        display: none;
      }
    }

    .nav {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(20px);
      background: rgba(7,9,20,0.78);
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .nav-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      border: 0;
      background: transparent;
      color: var(--text);
      font-size: 22px;
      font-weight: 900;
      letter-spacing: -0.045em;
      cursor: pointer;
      white-space: nowrap;
    }

    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 13px;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 0 36px rgba(124,92,255,0.62);
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      align-items: center;
      justify-content: center;
      border-radius: 15px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.075);
      cursor: pointer;
      transition: background 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
    }

    .nav-toggle:hover {
      background: rgba(255,255,255,0.13);
      border-color: rgba(255,255,255,0.2);
    }

    .nav-toggle-lines,
    .nav-toggle-lines::before,
    .nav-toggle-lines::after {
      display: block;
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: #fff;
      transition: transform 0.22s ease, opacity 0.22s ease;
    }

    .nav-toggle-lines {
      position: relative;
    }

    .nav-toggle-lines::before,
    .nav-toggle-lines::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .nav-toggle-lines::before { top: -7px; }
    .nav-toggle-lines::after { top: 7px; }

    body.nav-open .nav-toggle-lines {
      transform: rotate(45deg);
    }

    body.nav-open .nav-toggle-lines::before {
      transform: translateY(7px) rotate(90deg);
    }

    body.nav-open .nav-toggle-lines::after {
      opacity: 0;
      transform: translateY(-7px);
    }

    .nav-demo-mobile {
      display: none;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border-radius: 999px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(255,255,255,0.09);
    }

    .nav-item {
      position: relative;
    }

    .nav-link {
      border: 0;
      color: var(--muted);
      background: transparent;
      border-radius: 999px;
      padding: 10px 18px;
      cursor: pointer;
      font-weight: 800;
      transition: 0.22s ease;
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(124,92,255,0.95), rgba(19,214,255,0.75));
      box-shadow: 0 12px 28px rgba(124,92,255,0.28);
    }

    .mega-menu {
      position: absolute;
      top: 100%;
      left: 50%;
      width: min(900px, calc(100vw - 32px));
      padding-top: 14px;
      transform: translateX(-50%) translateY(10px) scale(0.97);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
      z-index: 100;
    }

    .mega-parent.open .mega-menu {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0) scale(1);
    }

    .mega-menu::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 6px;
      width: 18px;
      height: 18px;
      transform: translateX(-50%) rotate(45deg);
      background: rgba(14,18,36,0.96);
      border-left: 1px solid rgba(255,255,255,0.12);
      border-top: 1px solid rgba(255,255,255,0.12);
      z-index: 1;
    }

    .mega-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 0.78fr 1.22fr;
      gap: 20px;
      padding: 22px;
      border-radius: 28px;
      background:
        radial-gradient(circle at 20% 10%, rgba(124,92,255,0.22), transparent 34%),
        radial-gradient(circle at 90% 80%, rgba(19,214,255,0.14), transparent 32%),
        rgba(14,18,36,0.96);
      border: 1px solid rgba(255,255,255,0.13);
      box-shadow: 0 30px 90px rgba(0,0,0,0.45);
      backdrop-filter: blur(22px);
    }

    .mega-copy {
      padding: 20px;
      border-radius: 22px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(255,255,255,0.08);
    }

    .section-kicker {
      display: block;
      color: var(--accent);
      font-size: 12px;
      font-weight: 900;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 10px;
    }

    .mega-copy h3 {
      font-size: 28px;
      line-height: 1.1;
      letter-spacing: -0.05em;
      margin-bottom: 10px;
    }

    .mega-copy p {
      color: var(--muted);
      font-size: 14px;
    }

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

    .mega-card {
      border: 1px solid rgba(255,255,255,0.1);
      background: rgba(255,255,255,0.055);
      color: var(--text);
      border-radius: 22px;
      padding: 18px;
      cursor: pointer;
      text-align: left;
      transition: 0.22s ease;
    }

    .mega-card:hover {
      transform: translateY(-4px);
      background: rgba(255,255,255,0.095);
      border-color: rgba(255,255,255,0.2);
    }

    .mega-card.active {
      background: linear-gradient(135deg, rgba(124,92,255,0.38), rgba(19,214,255,0.16));
      border-color: rgba(124,92,255,0.55);
    }

    .mega-icon {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      margin-bottom: 14px;
      border-radius: 15px;
      background: linear-gradient(135deg, rgba(124,92,255,0.95), rgba(19,214,255,0.75));
      font-size: 21px;
    }

    .mega-card strong {
      display: block;
      font-size: 17px;
      margin-bottom: 4px;
    }

    .mega-card small {
      display: block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .btn {
      border: 0;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
      color: white;
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.12);
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
      background: rgba(255,255,255,0.16);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 16px 40px rgba(124,92,255,0.35);
      border: none;
    }

    #appMain {
      position: relative;
      z-index: 2;
      min-height: calc(100vh - 76px);
      transition: opacity 0.28s ease, transform 0.28s ease, filter 0.28s ease;
    }

    #appMain.main-leaving {
      opacity: 0;
      transform: translateY(18px) scale(0.985);
      filter: blur(10px);
    }

    #appMain.main-entering {
      animation: mainIn 0.62s cubic-bezier(.2,.8,.2,1) both;
    }

    @keyframes mainIn {
      from { opacity: 0; transform: translateY(28px) scale(0.985); filter: blur(12px); }
      to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    }

    .page-scene {
      padding: 110px 0;
      position: relative;
    }

    .hero-page {
      min-height: calc(100vh - 76px);
      display: grid;
      align-items: center;
      padding: 110px 0 96px;
    }

    .full-page {
      min-height: calc(100vh - 76px);
      display: grid;
      align-items: center;
      padding: 110px 0;
    }

    .page-card {
      animation: pageCardIn 0.72s cubic-bezier(.2,.8,.2,1) both;
    }

    @keyframes pageCardIn {
      from { opacity: 0; transform: translateY(22px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.04fr 0.96fr;
      gap: 52px;
      align-items: center;
    }

    .intro-left,
    .intro-right {
      opacity: 0;
      transform: translateY(30px) scale(0.985);
    }

    body.ready .intro-left {
      animation: heroIn 0.9s cubic-bezier(.2,.8,.2,1) 0.1s both;
    }

    body.ready .intro-right {
      animation: heroIn 0.9s cubic-bezier(.2,.8,.2,1) 0.28s both;
    }

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

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.1);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
      color: var(--muted);
      font-size: 13px;
      margin-bottom: 22px;
    }

    .pulse {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 18px var(--accent);
      animation: pulse 1.3s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.45); opacity: 0.65; }
    }

    h1 {
      font-size: clamp(42px, 5.4vw, 76px);
      line-height: 1.04;
      letter-spacing: -0.065em;
      margin-bottom: 24px;
      word-break: keep-all;
      text-wrap: balance;
      text-shadow: 0 18px 58px rgba(124,92,255,0.22);
    }

    .hero-title {
      max-width: 760px;
      word-break: keep-all;
      overflow-wrap: normal;
      line-break: strict;
    }

    .hero-title .gradient-text {
      display: inline-block;
    }

    h2 {
      font-size: clamp(36px, 5vw, 62px);
      line-height: 1.08;
      letter-spacing: -0.065em;
      margin-bottom: 16px;
      text-wrap: balance;
      word-break: keep-all;
      overflow-wrap: normal;
      line-break: strict;
    }

    h3 {
      letter-spacing: -0.035em;
      word-break: keep-all;
      overflow-wrap: normal;
      line-break: strict;
    }

    .gradient-text {
      background: linear-gradient(135deg, #fff, #bfc6ff 38%, #6fffe0);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-page p {
      color: var(--muted);
      font-size: 18px;
      max-width: 660px;
      margin-bottom: 32px;
      text-wrap: pretty;
    }

    .section-head h2,
    .pricing-head h3,
    .detail-panel h3,
    .cta-panel h2,
    .mega-copy h3,
    .modal-head h3,
    .timeline-item strong,
    .card h3 {
      word-break: keep-all;
      overflow-wrap: normal;
      line-break: strict;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 34px;
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      max-width: 650px;
    }

    .stat {
      background: rgba(255,255,255,0.058);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 22px;
      padding: 18px;
      backdrop-filter: blur(14px);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
    }

    .stat strong {
      font-size: 26px;
      display: block;
      letter-spacing: -0.04em;
    }

    .stat span {
      color: var(--muted);
      font-size: 13px;
    }

    .dashboard {
      background: linear-gradient(180deg, rgba(255,255,255,0.13), rgba(255,255,255,0.046));
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 34px;
      padding: 22px;
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
      transform-style: preserve-3d;
      animation: float 5.5s ease-in-out infinite;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-14px); }
    }

    .dashboard::before {
      content: "";
      position: absolute;
      inset: -120px -80px auto auto;
      width: 220px;
      height: 220px;
      background: rgba(19,214,255,0.24);
      filter: blur(48px);
      border-radius: 50%;
    }

    .terminal {
      background: rgba(3,5,12,0.76);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 24px;
      overflow: hidden;
      position: relative;
      z-index: 2;
    }

    .terminal-top {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 16px 18px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--danger);
    }

    .dot:nth-child(2) { background: #ffd166; }
    .dot:nth-child(3) { background: var(--accent); }

    .terminal-body {
      padding: 22px;
    }

    .ai-card {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 20px;
      padding: 18px;
      margin-bottom: 14px;
    }

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

    .ai-card small {
      color: var(--primary-2);
      font-weight: 800;
    }

    .ai-card p {
      margin: 8px 0 0;
      color: #dce2ff;
      font-size: 14px;
    }

    .bar {
      height: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      overflow: hidden;
      margin: 13px 0;
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      animation: grow 1.4s ease both;
    }

    @keyframes grow {
      from { width: 0; }
    }

    .content-shell {
      border-radius: 40px;
      padding: 42px;
      min-height: 720px;
      background: linear-gradient(135deg, rgba(255,255,255,0.095), rgba(255,255,255,0.036));
      border: 1px solid rgba(255,255,255,0.13);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      overflow: hidden;
      position: relative;
    }

    .content-shell::before {
      content: "";
      position: absolute;
      inset: -120px -120px auto auto;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(124,92,255,0.16);
      filter: blur(60px);
    }

    .section-head {
      position: relative;
      z-index: 2;
      max-width: 850px;
      margin-bottom: 34px;
    }

    .section-head p {
      color: var(--muted);
      font-size: 17px;
    }

    .grid-4,
    .grid-3,
    .grid-2 {
      position: relative;
      z-index: 2;
      display: grid;
      gap: 18px;
    }

    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }

    .card {
      position: relative;
      overflow: hidden;
      background: var(--card);
      border: 1px solid var(--card-border);
      border-radius: 28px;
      padding: 26px;
      min-height: 220px;
      transition: transform 0.24s ease, background 0.24s ease, border 0.24s ease;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.055);
    }

    .card:hover {
      transform: translateY(-6px);
      background: var(--card-strong);
      border-color: rgba(255,255,255,0.22);
    }

    .clickable-card {
      cursor: pointer;
    }

    .card-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-top: 18px;
      padding: 10px 14px;
      border-radius: 999px;
      color: #fff;
      font-size: 13px;
      font-weight: 900;
      background: linear-gradient(135deg, rgba(124,92,255,0.95), rgba(19,214,255,0.75));
      box-shadow: 0 12px 28px rgba(124,92,255,0.22);
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    .card::after {
      content: "";
      position: absolute;
      inset: auto -50px -80px auto;
      width: 170px;
      height: 170px;
      border-radius: 50%;
      background: rgba(19,214,255,0.12);
      filter: blur(28px);
      opacity: 0;
      transition: 0.28s ease;
    }

    .card:hover::after {
      opacity: 1;
    }

    .icon {
      width: 50px;
      height: 50px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, rgba(124,92,255,0.95), rgba(19,214,255,0.75));
      margin-bottom: 22px;
      font-size: 23px;
      box-shadow: 0 16px 40px rgba(124,92,255,0.18);
    }

    .card h3 {
      font-size: 21px;
      margin-bottom: 10px;
    }

    .card p,
    .card li,
    .step span {
      color: var(--muted);
      font-size: 15px;
    }

.video-card {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,0.13);
  background: rgba(255,255,255,0.06);
  box-shadow: var(--shadow);
  min-height: auto;
}

.video-card video,
.video-card iframe {
  display: block;
  width: 100%;
  max-height: 520px;
  aspect-ratio: 16 / 9;
  border: 0;
  object-fit: contain;
  background: #000;
}

.video-card img {
  display: block;
  width: 100%;
  max-height: 760px;
  border: 0;
  object-fit: contain;
  background: rgba(255,255,255,0.96);
}

.image-gallery {
  display: grid;
  gap: 22px;
}
    .video-caption {
      padding: 18px 22px;
      color: var(--muted);
      border-top: 1px solid rgba(255,255,255,0.08);
    }

    .long-section {
      margin-top: 42px;
      position: relative;
      z-index: 2;
    }

    .detail-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 22px;
      margin-top: 24px;
    }

    .detail-panel {
      padding: 30px;
      border-radius: 30px;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .detail-panel h3 {
      font-size: 26px;
      margin-bottom: 12px;
    }

    .detail-panel p {
      color: var(--muted);
      margin-bottom: 16px;
    }

    .feature-list {
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .feature-list li {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.08);
      color: var(--muted);
    }

    .feature-list li::before {
      content: "✓";
      color: var(--accent);
      font-weight: 900;
      margin-right: 8px;
    }

    .process-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 28px;
    }

    .process-card {
      padding: 22px;
      border-radius: 24px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(255,255,255,0.09);
    }

    .process-card strong {
      display: block;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .process-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .pricing-section {
      margin-top: 44px;
      position: relative;
      z-index: 2;
    }

    .pricing-head {
      margin-bottom: 22px;
    }

    .pricing-head h3 {
      font-size: 34px;
      letter-spacing: -0.055em;
      margin-bottom: 8px;
    }

    .pricing-head p {
      color: var(--muted);
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 18px;
    }

    .price-card {
      position: relative;
      overflow: hidden;
      padding: 28px;
      min-height: 420px;
      border-radius: 30px;
      background: rgba(255,255,255,0.065);
      border: 1px solid rgba(255,255,255,0.12);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.055);
      transition: 0.24s ease;
    }

    .price-card:hover {
      transform: translateY(-6px);
      background: rgba(255,255,255,0.095);
      border-color: rgba(255,255,255,0.22);
    }

    .price-card.featured {
      background: linear-gradient(180deg, rgba(124,92,255,0.26), rgba(255,255,255,0.075));
      border-color: rgba(124,92,255,0.52);
      box-shadow: 0 24px 70px rgba(124,92,255,0.18);
    }

    .price-badge {
      display: inline-flex;
      padding: 6px 10px;
      margin-bottom: 14px;
      border-radius: 999px;
      color: var(--accent);
      font-size: 12px;
      font-weight: 900;
      background: rgba(73,255,182,0.08);
      border: 1px solid rgba(73,255,182,0.18);
    }

    .price-card h4 {
      font-size: 23px;
      letter-spacing: -0.04em;
      margin-bottom: 8px;
    }

    .price-card > p {
      color: var(--muted);
      min-height: 52px;
    }

    .price {
      margin: 18px 0;
      font-size: 40px;
      font-weight: 950;
      letter-spacing: -0.06em;
    }

    .price span {
      font-size: 15px;
      font-weight: 500;
      color: var(--muted);
    }

    .price-list {
      list-style: none;
      display: grid;
      gap: 11px;
      margin-top: 20px;
    }

    .price-list li {
      color: var(--muted);
      font-size: 14px;
    }

    .price-list li::before {
      content: "✓";
      color: var(--accent);
      font-weight: 900;
      margin-right: 8px;
    }

    .cta-panel {
      text-align: center;
      padding: 58px 30px;
      border-radius: 34px;
      background:
        radial-gradient(circle at 20% 10%, rgba(124,92,255,0.28), transparent 36%),
        radial-gradient(circle at 80% 90%, rgba(19,214,255,0.16), transparent 36%),
        rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
    }

    .cta-panel p {
      max-width: 760px;
      margin: 0 auto 26px;
      color: var(--muted);
    }

    .contact-box {
      display: grid;
      grid-template-columns: 1fr 0.86fr;
      gap: 24px;
      align-items: stretch;
    }

    .form {
      display: grid;
      gap: 14px;
    }

    input,
    textarea,
    select {
      width: 100%;
      border: 1px solid rgba(255,255,255,0.13);
      background: rgba(7,9,20,0.54);
      color: var(--text);
      border-radius: 18px;
      padding: 15px 16px;
      outline: none;
    }

    textarea {
      min-height: 132px;
      resize: vertical;
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: rgba(19,214,255,0.55);
      box-shadow: 0 0 0 4px rgba(19,214,255,0.08);
    }

    .toast {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 1000;
      padding: 14px 18px;
      border-radius: 18px;
      color: #fff;
      background: rgba(16,20,38,0.9);
      border: 1px solid rgba(255,255,255,0.13);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(16px);
      pointer-events: none;
      transition: 0.28s ease;
      backdrop-filter: blur(18px);
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

    .modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 900;
      display: none;
      place-items: center;
      padding: 22px;
      background: rgba(2, 4, 12, 0.72);
      backdrop-filter: blur(16px);
    }

    .modal-backdrop.show {
      display: grid;
    }

    .modal {
      width: min(920px, 100%);
      border-radius: 34px;
      background:
        radial-gradient(circle at 16% 10%, rgba(124,92,255,0.24), transparent 34%),
        radial-gradient(circle at 90% 90%, rgba(19,214,255,0.14), transparent 34%),
        rgba(13, 17, 34, 0.96);
      border: 1px solid rgba(255,255,255,0.15);
      box-shadow: 0 34px 120px rgba(0,0,0,0.52);
      overflow: hidden;
      animation: modalIn 0.28s ease both;
    }

    @keyframes modalIn {
      from { opacity: 0; transform: translateY(22px) scale(0.96); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }

    .modal-head {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-start;
      padding: 28px;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .modal-head h3 {
      font-size: 30px;
      letter-spacing: -0.055em;
      margin-bottom: 6px;
    }

    .modal-head p {
      color: var(--muted);
    }

    .modal-close {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.07);
      cursor: pointer;
      font-size: 20px;
      transition: 0.22s ease;
    }

    .modal-close:hover {
      background: rgba(255,255,255,0.14);
      transform: rotate(90deg);
    }

    .modal-body {
      padding: 28px;
    }

    .service-choice-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-bottom: 22px;
    }

    .service-choice {
      border: 1px solid rgba(255,255,255,0.11);
      background: rgba(255,255,255,0.055);
      border-radius: 24px;
      padding: 18px;
      text-align: left;
      cursor: pointer;
      transition: 0.22s ease;
    }

    .service-choice:hover,
    .service-choice.selected {
      transform: translateY(-4px);
      background: linear-gradient(135deg, rgba(124,92,255,0.32), rgba(19,214,255,0.13));
      border-color: rgba(124,92,255,0.55);
    }

    .service-choice span {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      margin-bottom: 12px;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      font-size: 21px;
    }

    .service-choice strong {
      display: block;
      margin-bottom: 4px;
    }

    .service-choice small {
      color: var(--muted);
      line-height: 1.4;
    }

    .modal-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .modal-form textarea,
    .modal-form .full {
      grid-column: 1 / -1;
    }

    footer {
      padding: 30px 0 42px;
      color: var(--muted);
      border-top: 1px solid rgba(255,255,255,0.08);
      position: relative;
      z-index: 2;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
      font-size: 14px;
    }

    @media (max-width: 1020px) {
      .hero-grid,
      .contact-box,
      .detail-grid {
        grid-template-columns: 1fr;
      }

      .grid-4,
      .grid-3,
      .grid-2,
      .process-row,
      .pricing-grid,
      .service-choice-grid,
      .modal-form {
        grid-template-columns: 1fr;
      }

      .modal-form textarea,
      .modal-form .full {
        grid-column: auto;
      }

      .nav-inner {
        height: 68px;
        padding: 0;
        flex-wrap: nowrap;
        gap: 12px;
      }

      .logo {
        min-width: 0;
        font-size: 19px;
      }

      .logo-mark {
        width: 32px;
        height: 32px;
        border-radius: 12px;
        flex: 0 0 32px;
      }

      .nav-toggle {
        display: inline-flex;
        margin-left: auto;
      }

      .nav-inner > .btn-primary:not(.nav-demo-mobile) {
        display: none;
      }

      .nav-links {
        position: fixed;
        top: 78px;
        left: 14px;
        right: 14px;
        order: initial;
        width: auto;
        max-height: calc(100dvh - 96px);
        overflow-y: auto;
        overscroll-behavior: contain;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 10px;
        padding: 14px;
        border-radius: 28px;
        background:
          radial-gradient(circle at 18% 0%, rgba(124,92,255,0.22), transparent 38%),
          rgba(10,13,28,0.96);
        border: 1px solid rgba(255,255,255,0.14);
        box-shadow: 0 28px 90px rgba(0,0,0,0.52);
        backdrop-filter: blur(24px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-10px) scale(0.98);
        transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
        z-index: 80;
      }

      body.nav-open .nav-links {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0) scale(1);
      }

      .nav-item,
      .nav-link,
      .nav-demo-mobile {
        width: 100%;
      }

      .nav-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 16px;
        border-radius: 18px;
        background: rgba(255,255,255,0.045);
      }

      #serviceButton::after {
        content: "⌄";
        font-size: 16px;
        transition: transform 0.22s ease;
      }

      .mega-parent.open #serviceButton::after {
        transform: rotate(180deg);
      }

      .mega-menu {
        position: static;
        width: 100%;
        padding-top: 0;
        transform: none;
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: max-height 0.28s ease;
      }

      .mega-parent.open .mega-menu {
        max-height: 720px;
        transform: none;
      }

      .mega-menu::before {
        display: none;
      }

      .mega-inner {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 12px;
        margin-top: 8px;
        border-radius: 22px;
        background: rgba(255,255,255,0.045);
        box-shadow: none;
      }

      .mega-copy {
        padding: 14px;
        border-radius: 18px;
      }

      .mega-copy h3 {
        font-size: 22px;
      }

      .mega-grid {
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .mega-card {
        display: grid;
        grid-template-columns: 42px 1fr;
        column-gap: 12px;
        align-items: center;
        padding: 14px;
        border-radius: 18px;
      }

      .mega-card:hover {
        transform: none;
      }

      .mega-icon {
        grid-row: span 2;
        margin-bottom: 0;
      }

      .nav-demo-mobile {
        display: inline-flex;
        margin-top: 4px;
      }
    }

    @media (max-width: 560px) {
      .container {
        width: min(100% - 24px, 1180px);
      }

      h1 {
        font-size: clamp(38px, 13vw, 58px);
        line-height: 1.06;
        letter-spacing: -0.06em;
      }

      h2 {
        font-size: clamp(30px, 9vw, 42px);
        line-height: 1.14;
        letter-spacing: -0.05em;
      }

      h3 {
        line-height: 1.22;
      }

      .hero-title {
        max-width: 100%;
      }

      .stats {
        grid-template-columns: 1fr;
      }

      .hero-page,
      .full-page,
      .page-scene {
        padding: 48px 0;
      }

      .section-head h2,
      .cta-panel h2,
      .pricing-head h3 {
        max-width: 12em;
      }

      .hero-grid {
        gap: 30px;
      }

      .hero-actions,
      .btn {
        width: 100%;
      }

      .content-shell {
        min-height: auto;
        padding: 22px;
        border-radius: 30px;
      }

      .card,
      .detail-panel,
      .price-card {
        padding: 20px;
      }

      .modal-head,
      .modal-body {
        padding: 20px;
      }

      .nav-inner {
        height: 64px;
      }

      .nav-links {
        top: 72px;
        left: 12px;
        right: 12px;
        max-height: calc(100dvh - 84px);
      }

      .toast {
        left: 12px;
        right: 12px;
        bottom: 14px;
        text-align: center;
      }
    }

/* Avatar + Agent page */
.avatar-agent-flow {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.avatar-agent-step {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.09);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.055);
}

.avatar-agent-step strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  color: #fff;
}

.avatar-agent-step p {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .avatar-agent-flow {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .mega-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .avatar-agent-flow {
    grid-template-columns: 1fr;
  }
}

/* Infrastructure page */
.infra-topology {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: stretch;
}

.infra-node {
  min-height: 190px;
  padding: 22px;
  border-radius: 26px;
  background: rgba(255,255,255,0.058);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.055);
}

.infra-node.strong {
  background: linear-gradient(135deg, rgba(124,92,255,0.18), rgba(19,214,255,0.08));
  border-color: rgba(124,92,255,0.32);
}

.infra-node span {
  display: inline-flex;
  padding: 6px 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  background: rgba(73,255,182,0.08);
  border: 1px solid rgba(73,255,182,0.14);
}

.infra-node strong {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.infra-node p {
  color: var(--muted);
  font-size: 14px;
}

.infra-arrow {
  display: grid;
  place-items: center;
  color: var(--primary-2);
  font-size: 24px;
  font-weight: 900;
  opacity: 0.8;
}

@media (max-width: 1020px) {
  .infra-topology {
    grid-template-columns: 1fr;
  }

  .infra-arrow {
    transform: rotate(90deg);
    min-height: 20px;
  }
}


/* Service-style mega menu behavior for every nav mega-parent */
.mega-parent > .nav-link::after {
  content: "⌄";
  display: inline-block;
  margin-left: 6px;
  font-size: 14px;
  transition: transform 0.22s ease;
}

.mega-parent.open > .nav-link::after,
.mega-parent:hover > .nav-link::after {
  transform: rotate(180deg);
}

@media (min-width: 1021px) {
  .mega-parent:hover > .mega-menu,
  .mega-parent.open > .mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}

@media (max-width: 1020px) {
  .mega-parent > .nav-link::after {
    margin-left: auto;
    font-size: 16px;
  }

  .mega-parent.open > .mega-menu {
    max-height: 920px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
}


/* FINAL NAV MEGA MENU FIX - intro uses exactly the same mega-menu behavior as service */
.nav-links > .mega-parent {
  position: relative !important;
}

.nav-links > .mega-parent > .mega-menu {
  display: block !important;
}

@media (min-width: 1021px) {
  .nav-links > .mega-parent > .mega-menu {
    position: absolute !important;
    top: 100% !important;
    left: 50% !important;
    width: min(900px, calc(100vw - 32px)) !important;
    padding-top: 14px !important;
    transform: translateX(-50%) translateY(10px) scale(0.97) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    max-height: none !important;
    overflow: visible !important;
    z-index: 1000 !important;
  }

  .nav-links > .mega-parent:hover > .mega-menu,
  .nav-links > .mega-parent.open > .mega-menu {
    transform: translateX(-50%) translateY(0) scale(1) !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
}

@media (max-width: 1020px) {
  .nav-links > .mega-parent > .mega-menu {
    position: static !important;
    width: 100% !important;
    padding-top: 0 !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    max-height: 0 !important;
    overflow: hidden !important;
    transition: max-height 0.28s ease !important;
  }

  .nav-links > .mega-parent.open > .mega-menu {
    max-height: 960px !important;
  }
}


/* === DEFINITIVE NAV MEGA MENU FIX ===
   소개 메뉴는 서비스 메뉴와 같은 .mega-parent/.mega-menu 구조를 사용합니다.
   hover, keyboard focus, JS .open class 모두에서 내려오도록 고정합니다. */
.nav-links > .mega-parent {
  position: relative;
}

.nav-links > .mega-parent > .nav-link::after {
  content: "⌄";
  display: inline-block;
  margin-left: 6px;
  font-size: 14px;
  transition: transform 0.22s ease;
}

.nav-links > .mega-parent:hover > .nav-link::after,
.nav-links > .mega-parent:focus-within > .nav-link::after,
.nav-links > .mega-parent.open > .nav-link::after {
  transform: rotate(180deg);
}

@media (min-width: 1021px) {
  .nav-links > .mega-parent > .mega-menu {
    position: absolute !important;
    top: 100% !important;
    left: 50% !important;
    display: block !important;
    width: min(900px, calc(100vw - 32px)) !important;
    padding-top: 14px !important;
    transform: translateX(-50%) translateY(10px) scale(0.97) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    max-height: none !important;
    overflow: visible !important;
    z-index: 9999 !important;
  }

  .nav-links > .mega-parent:hover > .mega-menu,
  .nav-links > .mega-parent:focus-within > .mega-menu,
  .nav-links > .mega-parent.open > .mega-menu {
    transform: translateX(-50%) translateY(0) scale(1) !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
}

@media (max-width: 1020px) {
  .nav-links > .mega-parent > .nav-link::after {
    margin-left: auto;
    font-size: 16px;
  }

  .nav-links > .mega-parent > .mega-menu {
    position: static !important;
    display: block !important;
    width: 100% !important;
    padding-top: 0 !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    max-height: 0 !important;
    overflow: hidden !important;
    transition: max-height 0.28s ease !important;
  }

  .nav-links > .mega-parent.open > .mega-menu {
    max-height: 980px !important;
  }
}