:root {
      --bg: #F4FCF9;
      --surface: #FFFFFF;
      --surface-2: #F7F8FA;
      --border: #EAF1FA;
      --border-highlight: #D1D1D6;
      --ink: #08152D;
      --ink-muted: #253D66;
      --ink-faint: #9AACCA;
      --primary: #00C98B;
      --primary-dark: #00A774;
      --primary-dim: rgba(0, 201, 139, 0.10);
      --primary-glow: rgba(0, 201, 139, 0.22);
      --error: #EF4444;
      --error-dim: #FFF1F1;
      --success-dim: #ECFFF6;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 30px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "DM Sans", "Noto Sans KR", sans-serif;
      background-color: var(--bg);
      color: var(--ink);
      min-height: 100vh;
      overflow-x: hidden;
      line-height: 1.6;
    }

    /* ─── NOISE TEXTURE OVERLAY ─── */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.025'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
      opacity: 0.4;
    }

    /* ─── AMBIENT GLOWS ─── */
    .glow-teal,
    .glow-orange,
    .glow-blue {
      position: fixed;
      border-radius: 50%;
      filter: blur(100px);
      pointer-events: none;
      z-index: 0;
    }

    .glow-teal {
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(0, 201, 139, 0.10) 0%, transparent 70%);
      top: -100px;
      left: -100px;
    }

    .glow-orange {
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(0, 167, 116, 0.07) 0%, transparent 70%);
      bottom: 10%;
      right: -80px;
    }

    .glow-blue {
      width: 350px;
      height: 350px;
      background: radial-gradient(circle, rgba(37, 61, 102, 0.05) 0%, transparent 70%);
      top: 40%;
      left: 50%;
      transform: translateX(-50%);
    }

    /* ─── LAYOUT ─── */
    .container {
      position: relative;
      z-index: 1;
      width: 100%;
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* ─── NAV ─── */
    nav {
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid var(--border);
      background: rgba(244, 252, 249, 0.82);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      gap: 24px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      flex-shrink: 0;
    }

    .brand-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: block;
      object-fit: cover;
      flex-shrink: 0;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--ink);
      letter-spacing: 0.08em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      list-style: none;
    }

    .nav-links a {
      color: var(--ink-muted);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      transition: color 0.2s, background 0.2s;
    }

    .nav-links a:hover {
      color: var(--ink);
      background: rgba(0, 201, 139, 0.07);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .btn-ghost-sm {
      color: var(--ink-muted);
      font-size: 0.9rem;
      font-weight: 500;
      padding: 7px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-highlight);
      background: transparent;
      text-decoration: none;
      transition: all 0.2s;
      cursor: pointer;
    }

    .btn-ghost-sm:hover {
      color: var(--ink);
      border-color: var(--ink-faint);
      background: rgba(0, 0, 0, 0.03);
    }

    .btn-primary-sm {
      font-size: 0.9rem;
      font-weight: 600;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: all 0.2s;
      letter-spacing: 0.01em;
    }

    .btn-primary-sm:hover {
      transform: translateY(-1px);
      box-shadow: 0 8px 24px var(--primary-glow);
    }

    /* ─── HERO ─── */
    .hero {
      padding: 100px 0 80px;
      position: relative;
    }

    /* Grid line decoration */
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(0, 201, 139, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 201, 139, 0.06) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 0%, transparent 100%);
      pointer-events: none;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px 6px 8px;
      border-radius: 999px;
      border: 1px solid rgba(0, 201, 139, 0.25);
      background: rgba(0, 201, 139, 0.08);
      font-size: 0.82rem;
      font-weight: 500;
      color: var(--primary-dark);
      margin-bottom: 28px;
      animation: fadeSlideDown 0.6s ease both;
    }

    .badge-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 8px var(--primary);
      animation: pulse 2s ease-in-out infinite;
    }

    @keyframes pulse {

      0%,
      100% {
        opacity: 1;
        transform: scale(1);
      }

      50% {
        opacity: 0.5;
        transform: scale(0.85);
      }
    }

    .hero-eyebrow {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--ink-muted);
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin-bottom: 20px;
      animation: fadeSlideDown 0.6s 0.05s ease both;
    }

    .hero-title {
      font-size: clamp(2.6rem, 6vw, 5rem);
      font-weight: 700;
      line-height: 1.07;
      letter-spacing: -0.03em;
      margin-bottom: 24px;
      animation: fadeSlideDown 0.6s 0.1s ease both;
    }

    .hero-title .accent {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-desc {
      max-width: 600px;
      color: var(--ink-muted);
      font-size: clamp(1rem, 2vw, 1.15rem);
      line-height: 1.7;
      margin-bottom: 40px;
      font-weight: 400;
      animation: fadeSlideDown 0.6s 0.15s ease both;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      animation: fadeSlideDown 0.6s 0.2s ease both;
    }

    .store-badges {
      display: flex;
      flex-direction: row;
      gap: 12px;
      align-items: center;
      flex-wrap: wrap;
    }

    .store-badges-centered {
      align-items: center;
    }

    .store-badge {
      position: relative;
      display: inline-flex;
      text-decoration: none;
      border-radius: 18px;
      transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    }

    .store-badge img {
      display: block;
      width: min(260px, 60vw);
      height: auto;
      border-radius: 18px;
      box-shadow: 0 10px 28px rgba(8, 21, 45, 0.12);
    }

    .store-badge:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(8, 21, 45, 0.12);
    }

    .store-badge.is-disabled {
      cursor: default;
      opacity: 0.72;
    }

    .store-badge.is-disabled:hover {
      transform: none;
      box-shadow: none;
    }

    .store-badge-status {
      position: absolute;
      right: 14px;
      bottom: 12px;
      padding: 5px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.14);
      color: #fff;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.03em;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }

    .hero-download-note {
      margin-top: 18px;
      color: var(--ink-muted);
      font-size: 0.92rem;
      font-weight: 500;
      animation: fadeSlideDown 0.6s 0.25s ease both;
    }

    .btn-primary-lg {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.2s;
      letter-spacing: 0.01em;
    }

    .btn-primary-lg:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 40px var(--primary-glow);
    }

    .btn-primary-lg svg {
      flex-shrink: 0;
    }

    .btn-outline-lg {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-highlight);
      color: var(--ink-muted);
      font-size: 1rem;
      font-weight: 500;
      text-decoration: none;
      transition: all 0.2s;
      background: var(--surface);
    }

    .btn-outline-lg:hover {
      color: var(--ink);
      border-color: var(--ink-faint);
      background: var(--surface-2);
    }



    /* ─── FEATURE SECTION ─── */
    .section {
      padding: 80px 0;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.78rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--primary-dark);
      margin-bottom: 14px;
    }

    .section-label::before {
      content: '';
      display: block;
      width: 20px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .section-title {
      font-size: clamp(1.7rem, 3.5vw, 2.6rem);
      font-weight: 700;
      letter-spacing: -0.025em;
      line-height: 1.15;
      margin-bottom: 14px;
    }

    .section-desc {
      color: var(--ink-muted);
      font-size: 1rem;
      max-width: 500px;
      line-height: 1.7;
      margin-bottom: 56px;
    }

    /* ─── CARDS GRID ─── */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .feat-card {
      position: relative;
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      background: var(--surface);
      overflow: hidden;
      transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
      box-shadow: 0 2px 12px rgba(8, 21, 45, 0.05);
    }

    .feat-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(0, 201, 139, 0.02) 0%, transparent 60%);
      pointer-events: none;
    }

    .feat-card:hover {
      border-color: var(--border-highlight);
      transform: translateY(-3px);
      box-shadow: 0 14px 32px rgba(8, 21, 45, 0.09);
    }

    .feat-card.highlight {
      border-color: rgba(0, 201, 139, 0.25);
      background: linear-gradient(135deg, rgba(0, 201, 139, 0.05) 0%, var(--surface) 60%);
    }

    .feat-card.highlight:hover {
      border-color: rgba(0, 201, 139, 0.45);
    }

    .card-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.3rem;
    }

    .icon-teal {
      background: rgba(0, 201, 139, 0.10);
    }

    .icon-orange {
      background: rgba(239, 68, 68, 0.08);
    }

    .icon-blue {
      background: rgba(37, 61, 102, 0.07);
    }

    .feat-card h3 {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--ink);
      margin-bottom: 10px;
      letter-spacing: -0.01em;
    }

    .feat-card p {
      font-size: 0.92rem;
      color: var(--ink-muted);
      line-height: 1.65;
    }

    .card-tag {
      display: inline-block;
      margin-top: 16px;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(0, 201, 139, 0.10);
      color: var(--primary-dark);
      letter-spacing: 0.03em;
    }

    /* ─── WORKFLOW SECTION ─── */
    .workflow-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .steps-list {
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .step {
      display: flex;
      gap: 20px;
      padding: 24px 0;
      border-bottom: 1px solid var(--border);
      transition: all 0.2s;
      cursor: default;
    }

    .step:last-child {
      border-bottom: none;
    }

    .step:hover .step-num {
      background: rgba(0, 201, 139, 0.10);
      border-color: rgba(0, 201, 139, 0.3);
      color: var(--primary-dark);
    }

    .step-num {
      flex-shrink: 0;
      width: 36px;
      height: 36px;
      border-radius: 10px;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: "DM Mono", monospace;
      font-size: 0.8rem;
      color: var(--ink-faint);
      transition: all 0.2s;
    }

    .step-content h4 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--ink);
    }

    .step-content p {
      font-size: 0.9rem;
      color: var(--ink-muted);
      line-height: 1.6;
    }

    .workflow-visual {
      position: relative;
      border-radius: var(--radius-xl);
      border: 1px solid var(--border);
      background: var(--surface);
      padding: 28px;
      overflow: hidden;
      box-shadow: 0 8px 40px rgba(8, 21, 45, 0.08);
    }

    .workflow-visual::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(0, 201, 139, 0.03) 0%, transparent 60%);
      pointer-events: none;
    }

    /* Mock UI inside visual */
    .mock-bar {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }

    .mock-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .mock-dot-r {
      background: rgba(239, 68, 68, 0.5);
    }

    .mock-dot-y {
      background: rgba(234, 179, 8, 0.5);
    }

    .mock-dot-g {
      background: rgba(0, 201, 139, 0.5);
    }

    .mock-label {
      margin-left: auto;
      font-size: 0.75rem;
      color: var(--ink-faint);
      font-family: "DM Mono", monospace;
    }

    .mock-stat-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-bottom: 10px;
    }

    .mock-stat {
      padding: 14px;
      border-radius: 10px;
      background: var(--surface-2);
      border: 1px solid var(--border);
    }

    .mock-stat-val {
      font-size: 1.4rem;
      font-weight: 700;
      font-family: "DM Mono", monospace;
      margin-bottom: 2px;
    }

    .mock-stat-val.green {
      color: var(--primary-dark);
    }

    .mock-stat-val.orange {
      color: var(--error);
    }

    .mock-stat-label {
      font-size: 0.75rem;
      color: var(--ink-faint);
    }

    .mock-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-top: 14px;
    }

    .mock-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 8px;
      background: var(--surface-2);
      border: 1px solid var(--border);
      font-size: 0.82rem;
    }

    .mock-status {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .s-ok {
      background: var(--primary);
      box-shadow: 0 0 6px rgba(0, 201, 139, 0.5);
    }

    .s-warn {
      background: var(--error);
      box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
    }

    .s-idle {
      background: var(--ink-faint);
    }

    .mock-row-name {
      color: var(--ink-muted);
      flex: 1;
    }

    .mock-row-val {
      font-family: "DM Mono", monospace;
      font-size: 0.78rem;
      color: var(--ink-faint);
    }



    /* ─── CTA SECTION ─── */
    .cta-section {
      padding: 80px 0 100px;
      text-align: center;
    }

    .cta-box {
      position: relative;
      padding: 64px 48px;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(0, 201, 139, 0.2);
      background: linear-gradient(135deg, rgba(0, 201, 139, 0.06) 0%, rgba(37, 61, 102, 0.03) 100%);
      overflow: hidden;
      box-shadow: 0 8px 40px rgba(0, 201, 139, 0.08);
    }

    .cta-box::before {
      content: '';
      position: absolute;
      top: -60px;
      left: 50%;
      transform: translateX(-50%);
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 201, 139, 0.12) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-box h2 {
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 700;
      letter-spacing: -0.025em;
      margin-bottom: 16px;
      position: relative;
    }

    .cta-box p {
      color: var(--ink-muted);
      font-size: 1rem;
      max-width: 480px;
      margin: 0 auto 36px;
      line-height: 1.7;
      position: relative;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      position: relative;
    }

    /* ─── FOOTER ─── */
    footer {
      border-top: 1px solid var(--border);
      padding: 36px 0;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .footer-left {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .footer-copy {
      font-size: 0.85rem;
      color: var(--ink-faint);
    }

    .footer-phone {
      font-size: 0.85rem;
      color: var(--ink-faint);
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-phone:hover {
      color: var(--ink-muted);
    }

    .footer-links {
      display: flex;
      gap: 20px;
    }

    .footer-links a {
      font-size: 0.85rem;
      color: var(--ink-faint);
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: var(--ink-muted);
    }

    .footer-business {
      margin-top: 22px;
      padding-top: 18px;
      border-top: 1px solid var(--border);
      color: #7e8da4;
      font-size: 0.92rem;
      line-height: 1.65;
    }

    .footer-business strong {
      display: block;
      margin-bottom: 10px;
      color: #334155;
      font-size: 1rem;
      font-weight: 700;
    }

    .footer-business p {
      margin: 0 0 4px;
    }

    .footer-business a {
      color: #6b7c95;
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .footer-business a:hover {
      color: var(--ink);
    }

    /* ─── ANIMATIONS ─── */
    @keyframes fadeSlideDown {
      from {
        opacity: 0;
        transform: translateY(-14px);
      }

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

    /* ─── RESPONSIVE ─── */
    @media (max-width: 860px) {
      .container {
        padding: 0 20px;
      }

      .nav-links {
        display: none;
      }

      .hero {
        padding: 64px 0 60px;
      }

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

      .store-badges {
        align-items: flex-start;
      }

      .store-badge img {
        width: min(240px, 100%);
      }

      .hero-meta {
        gap: 16px;
        flex-wrap: wrap;
      }

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

      .workflow-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .workflow-visual {
        display: none;
      }

      .cta-box {
        padding: 44px 24px;
      }

      .cta-actions {
        flex-direction: column;
      }

      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 2.4rem;
      }

      .store-badge img {
        width: min(100%, 220px);
      }

      .trust-logos {
        gap: 12px;
      }
    }