/* --- Blockstream Blueprint Design System Integration --- */
    @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Rajdhani:wght@500;600;700&family=Orbitron:wght@700;900&display=swap');

    :root {
      --bg-space: #0b0c0e;
      --bg-card: #161619;
      --border-card: #21272d;
      --accent-cyan: #00C3FF;
      --accent-teal: #22E1C9;
      --accent-pink: #ff007f;
      --text-white: #ffffff;
      --text-gray: #b5bdc2;
      --text-dark-gray: #55585a;
      --glow-cyan: rgba(0, 195, 255, 0.15);
      --glow-pink: rgba(255, 0, 127, 0.15);
    }

    body {
      background-color: var(--bg-space);
      color: var(--text-gray);
      font-family: 'Inter', sans-serif;
      font-weight: 300;
      margin: 0;
      padding: 0;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Fonts & Typography */
    .tech-header {
      font-family: 'Rajdhani', 'Orbitron', sans-serif;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--text-white);
    }

    .tech-font {
      font-family: 'Rajdhani', sans-serif;
    }

    /* Top Announcement Banner */
    .banner-top {
      background-color: var(--accent-cyan);
      color: #0b0c0e;
      height: 50px;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 20px;
      padding: 0 15px;
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      font-family: 'Rajdhani', sans-serif;
      text-transform: uppercase;
    }
    .banner-top a {
      background-color: #0b0c0e;
      color: var(--text-white);
      padding: 4px 14px;
      border-radius: 2px;
      font-size: 0.8rem;
      font-weight: 700;
      text-decoration: none;
      transition: all 0.2s ease-in-out;
    }
    .banner-top a:hover {
      background-color: var(--text-white);
      color: #0b0c0e;
    }

    /* Navbar Redesign */
    .navbar-custom {
      background-color: rgba(11, 12, 14, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-card);
      padding: 20px 0;
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-container {
      max-width: 1140px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 20px;
    }
    .navbar-brand-custom {
      font-family: 'Orbitron', sans-serif;
      font-weight: 900;
      font-size: 1.8rem;
      color: var(--text-white);
      text-decoration: none;
      letter-spacing: 1px;
      display: flex;
      align-items: center;
    }
    .navbar-logo {
      height: 28px;
      width: auto;
      margin-right: 12px;
      vertical-align: middle;
      opacity: 0.9;
      transition: opacity 0.2s;
    }
    .navbar-logo:hover {
      opacity: 1;
    }
    .footer-logo-img {
      height: 24px;
      width: auto;
      margin-right: 8px;
      vertical-align: middle;
      opacity: 0.55;
      filter: grayscale(100%);
      transition: all 0.2s;
    }
    .footer-logo-img:hover {
      opacity: 0.85;
      filter: grayscale(0%);
    }
    .navbar-brand-custom span {
      color: var(--accent-cyan);
    }
    .auth-section {
      display: flex;
      align-items: center;
      gap: 15px;
      font-family: 'Rajdhani', sans-serif;
    }
    .auth-welcome {
      color: var(--text-gray);
      font-size: 0.95rem;
      font-weight: 500;
    }

    /* Sovereign Design Buttons */
    .g-btn {
      font-family: 'Rajdhani', sans-serif;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      cursor: pointer;
      padding: 10px 26px;
      display: inline-block;
      transition: all 0.25s ease-in-out;
      text-decoration: none;
      text-align: center;
      border-radius: 2px;
      font-size: 0.9rem;
    }
    .primary-btn {
      background: var(--accent-cyan);
      border: 1px solid var(--accent-cyan);
      color: #0b0c0e;
    }
    .primary-btn:hover {
      background: var(--text-white);
      border-color: var(--text-white);
      color: #0b0c0e;
      box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
    }
    .secondary-btn {
      background-color: transparent;
      border: 1px solid var(--accent-cyan);
      color: var(--accent-cyan);
    }
    .secondary-btn:hover {
      color: #0b0c0e;
      background-color: var(--accent-cyan);
      box-shadow: 0 4px 15px rgba(0, 195, 255, 0.2);
    }
    .logout-btn {
      border: 1px solid #ef4444;
      color: #ef4444;
    }
    .logout-btn:hover {
      background-color: #ef4444;
      color: var(--text-white);
      box-shadow: 0 4px 15px rgba(239, 68, 68, 0.25);
    }

    /* Hero Section */
    .hero-section {
      position: relative;
      background: radial-gradient(ellipse at top, #00293d -50%, var(--bg-space) 80%);
      padding: 110px 20px 90px 20px;
      text-align: center;
      border-bottom: 1px solid var(--border-card);
    }

    .hero-title {
      font-family: 'Orbitron', sans-serif;
      font-size: 4.5rem;
      font-weight: 900;
      letter-spacing: 4px;
      text-transform: uppercase;
      background: linear-gradient(135deg, var(--text-white) 30%, var(--accent-cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin: 0;
      line-height: 1;
    }
    .hero-subtitle {
      font-family: 'Rajdhani', sans-serif;
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--accent-cyan);
      letter-spacing: 4px;
      margin-bottom: 25px;
      text-transform: uppercase;
    }
    .hero-desc {
      font-size: 1.15rem;
      max-width: 650px;
      margin: 0 auto 40px auto;
      color: var(--text-gray);
      line-height: 1.7;
    }
    .hero-cta {
      display: flex;
      justify-content: center;
      gap: 20px;
    }

    /* Container and Grid */
    .blks-container {
      max-width: 1140px;
      margin: 0 auto;
      padding: 90px 20px;
    }
    .section-title-container {
      text-align: center;
      margin-bottom: 70px;
    }
    .section-title {
      font-size: 2.5rem;
      margin-bottom: 15px;
    }
    .section-subtitle {
      font-family: 'Rajdhani', sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-dark-gray);
      letter-spacing: 2px;
      text-transform: uppercase;
    }
    
    .blks-grid {
      display: grid;
      grid-template-columns: repeat(3, 2fr);
      gap: 50px;
    }

    /* Cards Layout */
    .feature-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: 3px;
      padding: 20px 15px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
      position: relative;
      overflow: hidden;
      height: 100%;
    }
    .feature-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 3px;
      height: 100%;
      background-color: transparent;
      transition: background-color 0.3s;
    }
    .feature-card:hover {
      transform: translateY(-10px);
      border-color: var(--accent-cyan);
      box-shadow: 0 15px 35px var(--glow-cyan);
    }
    .feature-card:hover::before {
      background-color: var(--accent-cyan);
    }

    /* Card Details */
    .card-category {
      font-family: 'Rajdhani', sans-serif;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 2px;
      color: var(--accent-cyan);
      text-transform: uppercase;
      margin-bottom: 15px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .card-badge {
      background-color: rgba(0, 195, 255, 0.1);
      color: var(--accent-cyan);
      padding: 2px 8px;
      border-radius: 1px;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 1px;
    }
    .card-badge.pro {
      background-color: rgba(255, 193, 7, 0.1);
      color: #ffc107;
    }
    .card-badge.pink {
      background-color: rgba(255, 0, 127, 0.15);
      color: var(--accent-pink);
    }
    .card-icon {
      font-size: 2.2rem;
      color: var(--accent-cyan);
      margin-bottom: 22px;
    }
    .card-title {
      font-size: 1.45rem;
      margin-bottom: 15px;
      line-height: 1.3;
    }
    .card-desc {
      font-size: 0.95rem;
      color: var(--text-gray);
      margin-bottom: 35px;
      flex-grow: 1;
      line-height: 1.6;
    }
    
    /* KIX Custom Style */
    .feature-card.kix-merchant:hover {
      border-color: var(--accent-pink);
      box-shadow: 0 15px 35px var(--glow-pink);
    }
    .feature-card.kix-merchant:hover::before {
      background-color: var(--accent-pink);
    }
    .feature-card.kix-merchant .card-category {
      color: var(--accent-pink);
    }
    .feature-card.kix-merchant .card-icon {
      color: var(--accent-pink);
    }
    .kix-btn {
      border-color: var(--accent-pink);
      color: var(--accent-pink);
    }
    .kix-btn:hover {
      background-color: var(--accent-pink);
      color: #0b0c0e;
      box-shadow: 0 4px 15px rgba(255, 0, 127, 0.2);
    }

    /* Footer */
    footer {
      background-color: #07080a;
      border-top: 1px solid var(--border-card);
      padding: 70px 20px;
      text-align: center;
    }
    .footer-logo {
      font-family: 'Orbitron', sans-serif;
      font-size: 1.7rem;
      font-weight: 900;
      color: var(--text-white);
      margin-bottom: 15px;
      letter-spacing: 2px;
    }
    .footer-logo span {
      color: var(--accent-cyan);
    }
    .footer-copyright {
      font-size: 0.8rem;
      color: var(--text-dark-gray);
      font-family: 'Inter', sans-serif;
      letter-spacing: 0.5px;
    }

    /* Responsive adjustments */
    @media (max-width: 992px) {
      .blks-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .blks-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 2.8rem;
      }
      .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 15px;
      }
      .hero-cta .g-btn {
        width: 100%;
        max-width: 280px;
      }
      .banner-top {
        font-size: 0.8rem;
        height: auto;
        padding: 12px;
        flex-direction: column;
        gap: 8px;
        text-align: center;
      }
    }
  @media (max-width: 768px) {
  .navbar-container {
    flex-direction: column; /* Coloca a logo em cima e os links embaixo */
    gap: 15px;
    padding: 15px 20px;
  }
  
  .auth-section {
    flex-wrap: wrap; /* Permite que os botões quebrem linha se não couberem */
    justify-content: center;
  }
}