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

    :root {
      --bg: #000000;
      --card-bg: #111113;
      --card-border: #1e1e22;
      --white: #ffffff;
      --gray-100: #f0f0f0;
      --gray-300: #a0a0a8;
      --gray-500: #6b6b76;
      --accent-green: #22c55e;
      --accent-purple: #a855f7;
      --accent-blue: #3b82f6;
      --accent-yellow: #facc15;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 24px;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg);
      color: var(--white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 40px;
    }

    /* ───── NAVBAR ───── */
    .navbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 40px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .navbar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 16px;
    }
    .navbar-brand .logo-circle {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      border: 2px solid var(--white);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 10px;
    }
    .navbar-toggle {
      background: none;
      border: none;
      color: var(--white);
      font-size: 22px;
      cursor: pointer;
      padding: 4px;
    }

    /* ───── HERO ───── */
    .hero {
      text-align: center;
      padding: 60px 40px 70px;
      max-width: 1200px;
      margin: 0 auto;
      background: linear-gradient(180deg, #0a0a12 0%, #000 100%);
      border-radius: var(--radius-xl);
      margin-top: 4px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(34, 197, 94, 0.12);
      color: var(--accent-green);
      font-size: 11px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
      margin-bottom: 24px;
      letter-spacing: 0.5px;
    }
    .hero-badge .dot {
      width: 6px;
      height: 6px;
      background: var(--accent-green);
      border-radius: 50%;
    }
    .hero h1 {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.15;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero p {
      color: var(--gray-300);
      font-size: 16px;
      max-width: 500px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }
    .hero-buttons {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: opacity 0.2s;
    }
    .btn:hover { opacity: 0.85; }
    .btn-primary {
      background: var(--white);
      color: #000;
    }
    .btn-secondary {
      background: rgba(255,255,255,0.08);
      color: var(--white);
      border: 1px solid rgba(255,255,255,0.12);
    }

    /* ───── SECTION HEADER ───── */
    .section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
      padding-top: 50px;
    }
    .section-header h2 {
      font-size: 24px;
      font-weight: 700;
    }
    .section-header a {
      color: var(--gray-300);
      font-size: 13px;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .section-header a:hover { color: var(--white); }

    /* ───── APP CARDS ───── */
    .app-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .app-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 20px;
    }
    .app-card-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      margin-bottom: 8px;
    }
    .app-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
    }
    .app-icon.fitness { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
    .app-icon.scanner { background: linear-gradient(135deg, #1e293b, #334155); }
    .app-icon.chat { background: linear-gradient(135deg, #065f46, #059669); }

    .app-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
    }
    .app-rating {
      display: flex;
      align-items: center;
      gap: 3px;
      font-weight: 600;
    }
    .app-rating .star {
      color: var(--accent-yellow);
      font-size: 12px;
    }
    .app-downloads {
      color: var(--gray-500);
      font-size: 11px;
    }
    .app-card h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .app-card .app-desc {
      font-size: 12.5px;
      color: var(--gray-300);
      margin-bottom: 16px;
    }
    .store-buttons {
      display: flex;
      gap: 10px;
    }
    .store-btn {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 0;
      border-radius: 10px;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.08);
      font-size: 12px;
      font-weight: 600;
      color: var(--white);
      cursor: pointer;
      transition: background 0.2s;
    }
    .store-btn:hover { background: rgba(255,255,255,0.1); }
    .store-btn svg { width: 16px; height: 16px; fill: var(--white); }

    /* ───── REVIEWS ───── */
    .reviews-section { padding-top: 50px; }
    .reviews-section h2 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .review-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 18px;
    }
    .review-stars {
      color: var(--accent-yellow);
      font-size: 13px;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .review-card blockquote {
      font-size: 12.5px;
      color: var(--gray-100);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .review-avatar {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: linear-gradient(135deg, #6366f1, #ec4899);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
    }
    .review-author-info .name {
      font-size: 12px;
      font-weight: 600;
    }
    .review-author-info .role {
      font-size: 10px;
      color: var(--gray-500);
    }

    /* ───── ABOUT ───── */
    .about-section {
      padding-top: 60px;
      text-align: center;
    }
    .about-section h2 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .about-section > p {
      color: var(--gray-300);
      font-size: 15px;
      max-width: 560px;
      margin: 0 auto 40px;
      line-height: 1.7;
    }
    .about-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .stat-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
    }
    .stat-card .stat-value {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 4px;
    }
    .stat-card .stat-label {
      font-size: 12px;
      color: var(--gray-500);
    }

    /* ───── CTA ───── */
    .cta-section {
      margin-top: 60px;
      text-align: center;
      padding: 50px 20px;
      background: linear-gradient(180deg, #0d0d1a 0%, #000 100%);
      border-radius: var(--radius-xl);
    }
    .cta-section h2 {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 32px;
    }
    .cta-section .btn {
      padding: 16px 34px;
      font-size: 15px;
    }

    /* ───── FOOTER ───── */
    .footer {
      text-align: center;
      padding: 50px 20px 30px;
    }
    .footer-logo {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      border: 2px solid rgba(255,255,255,0.3);
      margin: 0 auto 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      color: rgba(255,255,255,0.5);
    }
    .footer-email {
      font-size: 13px;
      color: var(--gray-300);
      margin-bottom: 12px;
    }
    .footer-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      font-size: 12px;
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--gray-300);
      transition: color 0.2s;
    }
    .footer-links a:hover {
      color: var(--white);
    }
    .footer-links .separator {
      color: var(--gray-500);
    }
    .footer-copy {
      font-size: 11px;
      color: var(--gray-500);
    }

    @media (max-width: 900px) {
      .app-cards {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero h1 { font-size: 40px; }
      .cta-section h2 { font-size: 30px; }
    }

    @media (max-width: 600px) {
      .container { padding: 0 16px; }
      .navbar { padding: 16px; }
      .hero { padding: 36px 16px 44px; }
      .hero h1 { font-size: 30px; letter-spacing: -0.5px; }
      .hero p { font-size: 14px; max-width: 320px; }
      .btn { padding: 12px 20px; font-size: 13px; }
      .section-header h2 { font-size: 20px; }
      .app-cards { grid-template-columns: 1fr; gap: 14px; }
      .reviews-grid { grid-template-columns: 1fr; gap: 14px; }
      .about-section h2 { font-size: 22px; }
      .about-section > p { font-size: 13.5px; }
      .about-stats { grid-template-columns: 1fr; gap: 14px; }
      .cta-section { padding: 40px 16px; }
      .cta-section h2 { font-size: 24px; }
    }