:root {
      --bg: #ffffff;
      --text: #1d1d1f;
      --muted: #86868b;
      --line: rgba(0, 0, 0, 0.1);
      --card: #f5f5f7;
      --accent: #000000;
      /* Pure Black */
      --radius: 18px;
      --max: 1024px;
    }

    * {
      box-sizing: border-box
    }

    html,
    body {
      height: 100%
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, system-ui;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      line-height: 1.45;
    }

    a {
      color: inherit;
      text-decoration: none
    }

    .container {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 20px
    }

    /* Header */
    .topbar {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .8);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--line);
    }

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

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    /* LOGO STYLE */
    .brand-logo {
      width: 32px;
      height: 32px;
      background: #000;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
    }

    .brand-title {
      font-weight: 600;
      letter-spacing: -.2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 18px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: #fff;
      font-weight: 500;
      font-size: 14px;
      letter-spacing: -.1px;
      transition: all .2s ease;
      white-space: nowrap;
      cursor: pointer;
    }

    .btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
      border-color: rgba(0, 0, 0, .15)
    }

    .btn.primary {
      background: var(--accent);
      color: #fff;
      border-color: transparent
    }

    .btn.primary:hover {
      background: #333;
      box-shadow: 0 4px 12px rgba(0, 0, 0, .3)
    }

    /* Hero */
    .hero {
      padding: 80px 0 40px;
      text-align: center;
    }

    .eyebrow {
      color: var(--muted);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .5px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }

    h1 {
      margin: 0 auto 16px;
      font-size: clamp(40px, 5vw, 64px);
      line-height: 1.05;
      letter-spacing: -0.015em;
      font-weight: 700;
      max-width: 800px;
    }

    .subhead {
      margin: 0 auto 32px;
      font-size: 20px;
      color: var(--muted);
      max-width: 600px;
      line-height: 1.4;
      font-weight: 400;
    }

    .hero-cta {
      display: flex;
      gap: 12px;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      margin-top: 18px
    }

    .micro {
      color: var(--muted);
      font-size: 12px;
      margin-top: 12px;
      display: block;
    }

    /* Layout */
    .grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: start;
      margin-top: 60px;
      text-align: left;
    }

    @media (max-width: 920px) {
      .grid {
        grid-template-columns: 1fr;
      }

      .hero {
        padding-top: 40px;
      }
    }

    /* Cards */
    .card {
      background: var(--card);
      border-radius: 24px;
      padding: 32px;
    }

    .card.white {
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.05);
    }

    .card h2 {
      margin: 0 0 12px;
      font-size: 24px;
      letter-spacing: -.015em;
      font-weight: 600;
    }

    .card p {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.5;
    }

    .stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 24px
    }

    .stat {
      padding: 16px;
      border-radius: 16px;
      background: #fff;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    }

    .stat b {
      display: block;
      font-size: 15px;
      letter-spacing: -.2px;
      margin-bottom: 4px;
      color: var(--text);
    }

    .stat span {
      display: block;
      font-size: 13px;
      color: var(--muted);
      line-height: 1.3;
    }

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

    /* Sections */
    section {
      padding: 60px 0
    }

    .section-title {
      text-align: center;
      margin-bottom: 40px;
    }

    .section-title h3 {
      margin: 0 0 8px;
      font-size: 32px;
      letter-spacing: -.015em;
      font-weight: 600;
    }

    .section-title span {
      color: var(--muted);
      font-size: 19px;
      font-weight: 400;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px
    }

    @media (max-width: 920px) {
      .features {
        grid-template-columns: 1fr;
      }
    }

    .feature {
      background: var(--card);
      border-radius: 24px;
      padding: 32px;
      text-align: left;
    }

    .feature b {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
      letter-spacing: -.2px
    }

    .feature p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.5
    }

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

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

    .plan {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 32px;
      position: relative;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .plan:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.05);
    }

    .plan.popular {
      border-color: var(--accent);
      box-shadow: 0 0 0 1px var(--accent);
    }

    .badge {
      display: inline-flex;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      width: fit-content;
    }

    .badge.default {
      background: var(--card);
      color: var(--muted);
    }

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

    .plan h4 {
      margin: 0 0 4px;
      font-size: 24px;
      letter-spacing: -.015em;
    }

    .plan .meta {
      color: var(--muted);
      font-size: 14px;
      margin: 0 0 24px;
      line-height: 1.4;
    }

    .plan ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .plan li {
      margin: 12px 0;
      font-size: 14px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
      line-height: 1.4;
    }

    .plan li i {
      color: var(--accent);
      width: 16px;
      margin-top: 3px;
      flex-shrink: 0;
    }

    /* Form */
    .form {
      display: grid;
      gap: 16px;
      margin-top: 24px
    }

    label {
      font-size: 12px;
      font-weight: 600;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 4px;
      display: block;
    }

    input,
    select,
    textarea {
      width: 100%;
      padding: 14px 16px;
      border-radius: 12px;
      border: 1px solid rgba(0, 0, 0, 0.1);
      background: var(--card);
      color: var(--text);
      font-size: 15px;
      outline: none;
      transition: all .2s ease;
      font-family: inherit;
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: var(--accent);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(0, 0, 0, .1)
    }

    textarea {
      min-height: 120px;
      resize: vertical
    }

    .row2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px
    }

    @media (max-width: 560px) {
      .row2 {
        grid-template-columns: 1fr;
      }
    }

    /* Footer */
    .divider {
      height: 1px;
      background: var(--line);
      margin: 60px 0 30px
    }

    footer {
      padding: 0 0 60px;
      color: var(--muted);
      font-size: 12px;
    }

    /* Floating contact */
    .float {
      position: fixed;
      right: 20px;
      bottom: 20px;
      display: flex;
      gap: 10px;
      z-index: 60;
    }

    @media (max-width: 420px) {
      .float {
        left: 20px;
        right: 20px;
        bottom: 20px;
      }

      .float .btn {
        flex: 1
      }
    }

    /* --- CHATBOT STYLES --- */
    .chatbot-toggle {
      position: fixed;
      bottom: 20px;
      right: 20px;
      width: 60px;
      height: 60px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      cursor: pointer;
      z-index: 100;
      transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .chatbot-toggle:hover {
      transform: scale(1.05);
    }

    .chatbot-toggle svg {
      width: 32px;
      height: 32px;
    }

    .chatbot-window {
      position: fixed;
      bottom: 90px;
      right: 20px;
      width: 380px;
      max-width: calc(100vw - 40px);
      height: 500px;
      background: #fff;
      border-radius: 20px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--line);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      z-index: 100;
      opacity: 0;
      pointer-events: none;
      transform: translateY(20px) scale(0.95);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .chatbot-window.active {
      opacity: 1;
      pointer-events: all;
      transform: translateY(0) scale(1);
    }

    .chat-header {
      background: #1d1d1f;
      padding: 16px;
      color: white;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .chat-avatar {
      width: 36px;
      height: 36px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .chat-info h4 {
      margin: 0;
      font-size: 14px;
      font-weight: 600;
    }

    .chat-info span {
      font-size: 11px;
      opacity: 0.7;
    }

    .chat-messages {
      flex: 1;
      padding: 16px;
      background: var(--card);
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .msg {
      max-width: 85%;
      padding: 12px 16px;
      border-radius: 18px;
      font-size: 18px;
      line-height: 1.5;
    }

    .msg.bot {
      background: white;
      align-self: flex-start;
      border-bottom-left-radius: 4px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
    }

    .msg.user {
      background: var(--accent);
      color: white;
      align-self: flex-end;
      border-bottom-right-radius: 4px;
    }

    .chat-input-area {
      padding: 12px;
      border-top: 1px solid var(--line);
      background: white;
      display: flex;
      gap: 8px;
    }

    .chat-input {
      flex: 1;
      padding: 10px 14px;
      border-radius: 20px;
      border: 1px solid var(--line);
      background: var(--card);
      outline: none;
      font-size: 18px;
    }

    .chat-input:focus {
      background: white;
      border-color: var(--accent);
    }

    .chat-send {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--accent);
      color: white;
      border: none;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    /* Hidden Section */
    .hidden-section {
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
      transform: translateY(-20px);
    }

    .hidden-section.visible {
      max-height: 2500px;
      /* Large enough to fit content */
      opacity: 1;
      transform: translateY(0);
    }