:root {
      --blue: #2563EB;
      --blue-light: #3B82F6;
      --blue-glow: rgba(37, 99, 235, 0.35);
      --dark: #060A12;
      --dark2: #0C1220;
      --dark3: #111827;
      --card: rgba(255,255,255,0.04);
      --border: rgba(255,255,255,0.08);
      --text: #E8EDF5;
      --muted: #8B9AB5;
      --white: #FFFFFF;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      background: var(--dark);
      color: var(--text);
      overflow-x: hidden;
    }

    /* ── NOISE OVERLAY ── */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
      opacity: 0.5;
    }

    /* ── NAVBAR ── */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 48px;
      background: rgba(6, 10, 18, 0.7);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-logo img {
      height: 40px;
      width: 40px;
      object-fit: contain;
      filter: brightness(1.1);
    }

    .nav-logo-text {
      font-family: 'Syne', sans-serif;
      font-size: 1.2rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    .nav-logo-text span { color: var(--blue-light); }

    .nav-links {
      display: flex;
      gap: 32px;
      list-style: none;
    }

    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      transition: color 0.2s;
    }

    .nav-links a:hover { color: var(--white); }

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

    .btn-ghost {
      padding: 9px 22px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: transparent;
      color: var(--text);
      font-family: 'DM Sans', sans-serif;
      font-size: 0.875rem;
      font-weight: 500;
      cursor: pointer;
      text-decoration: none;
      transition: border-color 0.2s, color 0.2s;
    }

    .btn-ghost:hover {
      border-color: var(--blue-light);
      color: var(--white);
    }

    .btn-primary {
      padding: 9px 22px;
      border: none;
      border-radius: 8px;
      background: var(--blue);
      color: var(--white);
      font-family: 'DM Sans', sans-serif;
      font-size: 0.875rem;
      font-weight: 600;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    }

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

    /* ── HERO ── */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 120px 24px 80px;
      overflow: hidden;
    }

    /* Grid background */
    .hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
      background-size: 60px 60px;
      z-index: 0;
      mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
    }

    /* Glow blob */
    .hero-glow {
      position: absolute;
      width: 700px;
      height: 700px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(37, 99, 235, 0.18) 0%, transparent 70%);
      top: 50%;
      left: 50%;
      transform: translate(-50%, -60%);
      z-index: 0;
      animation: pulse 6s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { transform: translate(-50%, -60%) scale(1); opacity: 0.7; }
      50% { transform: translate(-50%, -60%) scale(1.08); opacity: 1; }
    }

    .hero-content { position: relative; z-index: 1; max-width: 780px; display: flex; flex-direction: column; align-items: center; }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(37, 99, 235, 0.12);
      border: 1px solid rgba(37, 99, 235, 0.3);
      border-radius: 100px;
      font-size: 0.8rem;
      font-weight: 500;
      color: var(--blue-light);
      margin-bottom: 28px;
      animation: fadeUp 0.6s ease both;
    }

    .hero-badge::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--blue-light);
      animation: blink 2s ease infinite;
    }

    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

    .hero-logo {
      width: 96px;
      height: 96px;
      object-fit: contain;
      margin-bottom: 28px;
      filter: drop-shadow(0 0 24px rgba(37,99,235,0.5));
      animation: fadeUp 0.7s ease 0.1s both;
    }

    .hero h1 {
      font-family: 'Syne', sans-serif;
      font-size: clamp(2.6rem, 6vw, 4.2rem);
      font-weight: 800;
      line-height: 1.08;
      letter-spacing: -0.03em;
      margin-bottom: 20px;
      animation: fadeUp 0.7s ease 0.2s both;
    }

    .hero h1 .accent { color: var(--blue-light); }

    .hero p {
      font-size: 1.15rem;
      color: var(--muted);
      line-height: 1.7;
      max-width: 560px;
      margin: 0 auto 40px;
      font-weight: 300;
      animation: fadeUp 0.7s ease 0.3s both;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeUp 0.7s ease 0.4s both;
    }

    .btn-hero {
      padding: 14px 32px;
      border-radius: 10px;
      font-family: 'DM Sans', sans-serif;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      text-decoration: none;
      transition: all 0.2s;
    }

    .btn-hero.primary {
      background: var(--blue);
      color: white;
      border: none;
      box-shadow: 0 4px 20px var(--blue-glow);
    }

    .btn-hero.primary:hover {
      background: var(--blue-light);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px var(--blue-glow);
    }

    .btn-hero.secondary {
      background: transparent;
      color: var(--text);
      border: 1px solid var(--border);
    }

    .btn-hero.secondary:hover {
      border-color: rgba(255,255,255,0.25);
      color: white;
    }

    .hero-stats {
      display: flex;
      gap: 40px;
      justify-content: center;
      margin-top: 64px;
      padding-top: 40px;
      border-top: 1px solid var(--border);
      animation: fadeUp 0.7s ease 0.5s both;
    }

    .hero-stat { text-align: center; }

    .hero-stat .num {
      font-family: 'Syne', sans-serif;
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--white);
    }

    .hero-stat .num span { color: var(--blue-light); }

    .hero-stat .label {
      font-size: 0.8rem;
      color: var(--muted);
      margin-top: 4px;
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* ── SECTIONS ── */
    section { position: relative; z-index: 1; }

    .section-label {
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--blue-light);
      margin-bottom: 12px;
    }

    .section-title {
      font-family: 'Syne', sans-serif;
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.025em;
      margin-bottom: 16px;
    }

    .section-desc {
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.7;
      max-width: 560px;
      font-weight: 300;
    }

    /* ── FEATURES ── */
    .features {
      padding: 100px 48px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .features-header {
      text-align: center;
      margin-bottom: 64px;
    }

    .features-header .section-desc { margin: 0 auto; }

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

    .feature-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 32px;
      position: relative;
      overflow: hidden;
      transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
      cursor: default;
    }

    .feature-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--blue-light), transparent);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .feature-card:hover {
      border-color: rgba(59, 130, 246, 0.3);
      transform: translateY(-4px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    }

    .feature-card:hover::before { opacity: 1; }

    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(37, 99, 235, 0.15);
      border: 1px solid rgba(37, 99, 235, 0.25);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 20px;
    }

    .feature-card h3 {
      font-family: 'Syne', sans-serif;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 10px;
      letter-spacing: -0.015em;
    }

    .feature-card p {
      font-size: 0.875rem;
      color: var(--muted);
      line-height: 1.65;
      font-weight: 300;
    }

    .feature-tag {
      display: inline-block;
      margin-top: 14px;
      padding: 3px 10px;
      background: rgba(37, 99, 235, 0.1);
      border-radius: 100px;
      font-size: 0.72rem;
      color: var(--blue-light);
      font-weight: 500;
    }

    /* ── HIGHLIGHT BAND ── */
    .highlight-band {
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
      border-top: 1px solid rgba(37, 99, 235, 0.2);
      border-bottom: 1px solid rgba(37, 99, 235, 0.2);
      padding: 80px 48px;
    }

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

    .highlight-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 28px;
    }

    .highlight-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      font-size: 0.9rem;
      color: var(--muted);
      line-height: 1.5;
    }

    .highlight-list li::before {
      content: '✓';
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      border-radius: 6px;
      background: rgba(37, 99, 235, 0.15);
      color: var(--blue-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 700;
    }

    .highlight-visual {
      background: var(--dark3);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 28px;
      position: relative;
      overflow: hidden;
    }

    .highlight-visual::before {
      content: '';
      position: absolute;
      top: -40px; right: -40px;
      width: 200px; height: 200px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(37,99,235,0.15), transparent 70%);
    }

    .mock-header {
      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:nth-child(1) { background: #FF5F57; }
    .mock-dot:nth-child(2) { background: #FFBD2E; }
    .mock-dot:nth-child(3) { background: #27C840; }

    .mock-title {
      font-size: 0.8rem;
      color: var(--muted);
      margin-left: 8px;
    }

    .mock-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,255,255,0.04);
      font-size: 0.8rem;
    }

    .mock-row .label { color: var(--muted); }
    .mock-row .val { font-weight: 600; color: var(--white); }
    .mock-row .val.green { color: #4ADE80; }
    .mock-row .val.blue { color: var(--blue-light); }
    .mock-row .val.yellow { color: #FBBF24; }

    /* ── SECURITY SECTION ── */
    .security {
      padding: 100px 48px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .security-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 48px;
    }

    .security-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 28px;
      display: flex;
      gap: 20px;
      transition: border-color 0.3s;
    }

    .security-card:hover { border-color: rgba(59,130,246,0.3); }

    .sec-icon {
      font-size: 1.8rem;
      flex-shrink: 0;
    }

    .security-card h4 {
      font-family: 'Syne', sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .security-card p {
      font-size: 0.83rem;
      color: var(--muted);
      line-height: 1.6;
    }

    /* ── CTA ── */
    .cta-section {
      padding: 120px 48px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(37,99,235,0.12) 0%, transparent 70%);
    }

    .cta-inner { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }

    .cta-inner h2 {
      font-family: 'Syne', sans-serif;
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      margin-bottom: 16px;
    }

    .cta-inner p {
      color: var(--muted);
      margin-bottom: 36px;
      font-size: 1rem;
      font-weight: 300;
    }

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

    /* ── FOOTER ── */
    footer {
      border-top: 1px solid var(--border);
      padding: 36px 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-logo img {
      height: 32px;
      object-fit: contain;
    }

    .footer-logo span {
      font-family: 'Syne', sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
    }

    .footer-logo span em { color: var(--blue-light); font-style: normal; }

    footer p {
      font-size: 0.8rem;
      color: var(--muted);
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      nav { padding: 16px 24px; }
      .nav-links { display: none; }
      .features { padding: 60px 24px; }
      .features-grid { grid-template-columns: 1fr; }
      .highlight-band { padding: 60px 24px; }
      .highlight-inner { grid-template-columns: 1fr; gap: 40px; }
      .security { padding: 60px 24px; }
      .security-grid { grid-template-columns: 1fr; }
      .cta-section { padding: 80px 24px; }
      footer { flex-direction: column; gap: 16px; text-align: center; padding: 28px 24px; }
    }