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

    :root {
      --coral: #FF6B8A;
      --salmon: #FF8C69;
      --lavender: #C084FC;
      --green: #22C55E;
      --blush: #FFF0F2;
      --night: #1C1B2E;
      --text: #1a1a2e;
      --text-muted: #6b7280;
      --border: #e5e7eb;
      --bg: #ffffff;
      --bg-soft: #FFF0F2;
      --gradient: linear-gradient(135deg, #FF6B8A, #FF8C69, #C084FC);
      --gradient-soft: linear-gradient(135deg, rgba(255,107,138,0.08), rgba(192,132,252,0.08));
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* ===== HEADER ===== */
    .header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      padding: 0 40px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }

    .header-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--text);
      font-family: 'Satoshi', 'Inter', sans-serif;
      font-weight: 800;
      font-size: 18px;
    }

    .header-logo img.logo-img { width: 32px; height: 32px; border-radius: 8px; }

    .header-nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .header-nav a {
      text-decoration: none;
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 500;
      transition: color 0.2s;
    }

    .header-nav a:hover { color: var(--text); }

    .header-nav .btn-nav {
      background: var(--gradient);
      color: white;
      padding: 8px 18px;
      border-radius: 100px;
      font-weight: 600;
      font-size: 14px;
    }

    .header-nav .btn-nav:hover { opacity: 0.9; color: white; }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      color: var(--text);
      padding: 4px;
    }

    /* ===== HERO ===== */
    .hero {
      padding-top: 64px;
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr 1fr;
      max-width: 1400px;
      margin: 0 auto;
      gap: 0;
    }

    .hero-left {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      overflow: hidden;
      min-height: calc(100vh - 64px);
      background: linear-gradient(160deg, #1C1B2E 0%, #2d1f3d 50%, #3d1f2d 100%);
    }

    .hero-martia-photo {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center top;
      opacity: 0.85;
    }

    .hero-left-overlay {
      position: relative;
      z-index: 2;
      padding: 40px;
      background: linear-gradient(to top, rgba(28,27,46,0.95) 0%, rgba(28,27,46,0.6) 50%, transparent 100%);
    }

    .hero-left-content {
      padding: 80px 60px 40px 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-soft);
      border: 1px solid rgba(255,107,138,0.25);
      color: var(--coral);
      padding: 6px 14px;
      border-radius: 100px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
      width: fit-content;
    }

    .hero-title {
      font-family: 'Satoshi', 'Inter', sans-serif;
      font-weight: 900;
      font-size: clamp(42px, 5vw, 64px);
      line-height: 1.05;
      color: var(--text);
      margin-bottom: 20px;
    }

    .gradient-text {
      background: var(--gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 36px;
      max-width: 460px;
    }

    .hero-stats {
      display: flex;
      gap: 32px;
      margin-bottom: 36px;
    }

    .stat { display: flex; flex-direction: column; gap: 2px; }

    .stat-value {
      font-family: 'Satoshi', 'Inter', sans-serif;
      font-weight: 900;
      font-size: 22px;
      color: var(--text);
    }

    .stat-label {
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 500;
    }

    .hero-cta {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 100px;
      font-size: 15px;
      font-weight: 600;
      text-decoration: none;
      cursor: pointer;
      border: none;
      transition: all 0.2s;
    }

    .btn-primary {
      background: var(--gradient);
      color: white;
      box-shadow: 0 4px 20px rgba(255,107,138,0.3);
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 24px rgba(255,107,138,0.4);
    }

    .btn-outline {
      background: transparent;
      color: var(--text);
      border: 1.5px solid var(--border);
    }

    .btn-outline:hover {
      border-color: var(--coral);
      color: var(--coral);
    }

    /* ===== CHAT PANEL ===== */
    .hero-right {
      padding: 80px 40px 80px 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-left: 1px solid var(--border);
    }

    .chat-card {
      width: 100%;
      max-width: 440px;
      background: #fff;
      border: 1.5px solid var(--border);
      border-radius: 24px;
      box-shadow: 0 8px 40px rgba(0,0,0,0.08);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      height: 560px;
    }

    .chat-header {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 12px;
      background: #fff;
      flex-shrink: 0;
    }

    .chat-avatar {
      width: 42px; height: 42px;
      border-radius: 50%;
      overflow: hidden;
      flex-shrink: 0;
      border: 2px solid rgba(255,107,138,0.2);
    }

    .chat-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }

    .chat-info h3 {
      font-weight: 700;
      font-size: 15px;
      color: var(--text);
    }

    .chat-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    .badge-live {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 5px;
      background: rgba(34,197,94,0.1);
      border: 1px solid rgba(34,197,94,0.25);
      color: var(--green);
      padding: 4px 10px;
      border-radius: 100px;
      font-size: 11px;
      font-weight: 600;
    }

    .badge-live::before {
      content: '';
      width: 6px; height: 6px;
      background: var(--green);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

    .chat-messages {
      flex: 1;
      overflow-y: auto;
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      scroll-behavior: smooth;
    }

    .chat-messages::-webkit-scrollbar { width: 4px; }
    .chat-messages::-webkit-scrollbar-track { background: transparent; }
    .chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

    .msg {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .msg.user {
      flex-direction: row-reverse;
    }

    .msg-avatar {
      width: 28px; height: 28px;
      border-radius: 50%;
      background: var(--gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      color: white;
      flex-shrink: 0;
      overflow: hidden;
    }

    .msg-bubble {
      max-width: 280px;
      padding: 10px 14px;
      border-radius: 18px;
      font-size: 14px;
      line-height: 1.5;
    }

    .msg.martia .msg-bubble {
      background: var(--bg-soft);
      color: var(--text);
      border-top-left-radius: 4px;
      border: 1px solid rgba(255,107,138,0.12);
    }

    .msg.user .msg-bubble {
      background: var(--gradient);
      color: white;
      border-top-right-radius: 4px;
    }

    .msg-time {
      font-size: 10px;
      color: var(--text-muted);
      margin-top: 4px;
      padding: 0 4px;
    }

    .msg.user .msg-time { text-align: right; }

    .typing-indicator {
      display: flex;
      gap: 4px;
      padding: 10px 14px;
      background: var(--bg-soft);
      border: 1px solid rgba(255,107,138,0.12);
      border-radius: 18px;
      border-top-left-radius: 4px;
      width: fit-content;
    }

    .typing-dot {
      width: 6px; height: 6px;
      background: var(--coral);
      border-radius: 50%;
      animation: typing 1.2s infinite;
    }

    .typing-dot:nth-child(2) { animation-delay: 0.2s; }
    .typing-dot:nth-child(3) { animation-delay: 0.4s; }

    @keyframes typing {
      0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
      30% { transform: translateY(-5px); opacity: 1; }
    }

    .chat-suggestions {
      padding: 0 16px 12px;
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      flex-shrink: 0;
    }

    .suggestion-chip {
      background: var(--bg-soft);
      border: 1px solid rgba(255,107,138,0.2);
      color: var(--coral);
      padding: 5px 12px;
      border-radius: 100px;
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s;
    }

    .suggestion-chip:hover {
      background: rgba(255,107,138,0.12);
      border-color: var(--coral);
    }

    .chat-input-area {
      padding: 12px 16px;
      border-top: 1px solid var(--border);
      display: flex;
      gap: 8px;
      align-items: center;
      flex-shrink: 0;
      background: #fff;
    }

    .chat-input {
      flex: 1;
      background: var(--bg-soft);
      border: 1.5px solid rgba(255,107,138,0.15);
      border-radius: 100px;
      padding: 9px 16px;
      color: var(--text);
      font-size: 14px;
      font-family: 'Inter', sans-serif;
      outline: none;
      transition: border-color 0.2s;
    }

    .chat-input::placeholder { color: var(--text-muted); }
    .chat-input:focus { border-color: var(--coral); }

    .chat-send {
      width: 36px; height: 36px;
      background: var(--gradient);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
      flex-shrink: 0;
      box-shadow: 0 2px 8px rgba(255,107,138,0.3);
    }

    .chat-send:hover { transform: scale(1.08); box-shadow: 0 4px 12px rgba(255,107,138,0.4); }
    .chat-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
    .chat-send svg { width: 16px; height: 16px; fill: white; }

    /* ===== HOW IT WORKS ===== */
    .section {
      padding: 100px 40px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-soft);
      border: 1px solid rgba(255,107,138,0.2);
      color: var(--coral);
      padding: 5px 14px;
      border-radius: 100px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .section-title {
      font-family: 'Satoshi', 'Inter', sans-serif;
      font-weight: 900;
      font-size: clamp(28px, 3.5vw, 44px);
      line-height: 1.1;
      color: var(--text);
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 520px;
      line-height: 1.65;
      margin-bottom: 56px;
    }

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

    .feature-card {
      background: #fff;
      border: 1.5px solid var(--border);
      border-radius: 20px;
      padding: 28px;
      transition: all 0.25s;
    }

    .feature-card:hover {
      border-color: rgba(255,107,138,0.3);
      box-shadow: 0 8px 32px rgba(255,107,138,0.08);
      transform: translateY(-3px);
    }

    .feature-icon {
      width: 44px; height: 44px;
      border-radius: 12px;
      background: var(--bg-soft);
      border: 1px solid rgba(255,107,138,0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 16px;
    }

    .feature-title {
      font-weight: 700;
      font-size: 16px;
      color: var(--text);
      margin-bottom: 8px;
    }

    .feature-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ===== ABOUT ===== */
    .about {
      background: var(--bg-soft);
      border-top: 1px solid rgba(255,107,138,0.1);
      border-bottom: 1px solid rgba(255,107,138,0.1);
    }

    .about-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 80px 40px;
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 80px;
      align-items: center;
    }

    .about-profile {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
    }

    .profile-avatar {
      width: 160px; height: 160px;
      border-radius: 50%;
      overflow: hidden;
      border: 3px solid rgba(255,107,138,0.2);
      box-shadow: 0 8px 32px rgba(255,107,138,0.15);
    }

    .profile-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }

    .profile-name {
      font-family: 'Satoshi', 'Inter', sans-serif;
      font-weight: 900;
      font-size: 22px;
      color: var(--text);
    }

    .profile-handle {
      font-size: 13px;
      color: var(--text-muted);
    }

    .profile-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      justify-content: center;
    }

    .profile-tag {
      background: #fff;
      border: 1px solid var(--border);
      color: var(--text-muted);
      padding: 4px 10px;
      border-radius: 100px;
      font-size: 12px;
      font-weight: 500;
    }

    .verified-badge {
      display: flex;
      align-items: center;
      gap: 6px;
      background: rgba(34,197,94,0.08);
      border: 1px solid rgba(34,197,94,0.2);
      color: #16a34a;
      padding: 6px 14px;
      border-radius: 100px;
      font-size: 12px;
      font-weight: 600;
    }

    .about-text h2 {
      font-family: 'Satoshi', 'Inter', sans-serif;
      font-weight: 900;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.15;
      color: var(--text);
      margin-bottom: 20px;
    }

    .about-text p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .highlight {
      color: var(--coral);
      font-weight: 600;
    }

    /* ===== FOOTER ===== */
    .footer {
      background: var(--text);
      padding: 40px;
    }

    .footer-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
      color: rgba(255,255,255,0.6);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      gap: 24px;
    }

    .footer-links a {
      color: rgba(255,255,255,0.4);
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s;
    }

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

    .footer-copy {
      color: rgba(255,255,255,0.3);
      font-size: 13px;
    }

    /* ===== LANG TOGGLE ===== */
    .lang-toggle {
      display: flex;
      gap: 4px;
    }

    .lang-btn {
      background: none;
      border: 1.5px solid var(--border);
      color: var(--text-muted);
      padding: 4px 10px;
      border-radius: 100px;
      font-size: 12px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
    }

    .lang-btn.active {
      background: var(--text);
      border-color: var(--text);
      color: #fff;
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 900px) {
      .header { padding: 0 20px; }
      .header-nav { display: none; }
      .mobile-toggle { display: block; }

      .hero {
        grid-template-columns: 1fr;
        min-height: auto;
      }

      .hero-left {
        padding: 40px 20px 20px;
        order: 1;
      }

      .hero-right {
        padding: 20px 20px 40px;
        border-left: none;
        border-top: 1px solid var(--border);
        order: 2;
      }

      .chat-card { height: 480px; }

      .section { padding: 60px 20px; }
      .features-grid { grid-template-columns: 1fr; }

      .about-inner {
        grid-template-columns: 1fr;
        padding: 60px 20px;
        gap: 40px;
      }

      .footer { padding: 30px 20px; }
      .footer-inner { flex-direction: column; align-items: flex-start; }
    }

    /* ===== REVEAL ===== */
    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.5s ease, transform 0.5s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .ai-disclosure { padding: 10px 18px; background: #fff7ed; color: #7c2d12; font-size: 12px; line-height: 1.4; border-bottom: 1px solid #fed7aa; }
    .chat-privacy { padding: 8px 16px 0; color: var(--text-muted); font-size: 11px; line-height: 1.4; }
    .chat-privacy a { color: var(--coral); text-decoration: underline; }
    .clear-chat { margin: 8px 16px 14px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: white; color: var(--text-muted); cursor: pointer; font: inherit; font-size: 12px; }
    .clear-chat:hover, .clear-chat:focus-visible { border-color: var(--coral); color: var(--coral); outline: 2px solid transparent; }