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

  :root {
    --navy: #0B1629;
    --navy-mid: #112040;
    --navy-light: #1A3060;
    --blue: #2563EB;
    --blue-bright: #3B82F6;
    --cyan: #06B6D4;
    --cyan-dim: #0891B2;
    --accent: #38BDF8;
    --gold: #F59E0B;
    --text: #E2EAF8;
    --text-muted: #7A9BBF;
    --text-dim: #4A6A8A;
    --border: rgba(56, 189, 248, 0.15);
    --border-bright: rgba(56, 189, 248, 0.35);
    --card-bg: rgba(17, 32, 64, 0.6);
    --glass: rgba(255,255,255,0.03);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Sora', sans-serif;
    background: var(--navy);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* GRID PATTERN */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(rgba(56,189,248,0.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(56,189,248,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
  }

  /* AMBIENT GLOW */
  .glow-1 {
    position: fixed;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%);
    top: -100px; left: -100px;
    pointer-events: none; z-index: 0;
  }
  .glow-2 {
    position: fixed;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(6,182,212,0.12) 0%, transparent 70%);
    bottom: 100px; right: -100px;
    pointer-events: none; z-index: 0;
  }

  /* NAV */
  nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.2rem 2rem;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(11,22,41,0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
  }

  .nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.2rem; font-weight: 700; color: var(--text);
    text-decoration: none;
  }

  .nav-logo-dot {
    width: 10px; height: 10px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--cyan);
    animation: pulse 2s ease-in-out infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
  }

  .nav-links {
    display: flex; align-items: center; gap: 2rem;
    list-style: none;
  }

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

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

  .nav-cta {
    background: var(--blue);
    color: #fff !important;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: background 0.2s, transform 0.1s !important;
  }

  .nav-cta:hover {
    background: var(--blue-bright) !important;
    color: #fff !important;
    transform: translateY(-1px);
  }

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

  /* HERO */
  .hero {
    min-height: 100vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    padding: 8rem 2rem 6rem;
  }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(6,182,212,0.1);
    border: 1px solid rgba(6,182,212,0.3);
    border-radius: 100px;
    padding: 0.4rem 1rem;
    font-size: 0.8rem; font-weight: 600;
    color: var(--cyan);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2rem;
  }

  .badge-dot {
    width: 6px; height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
  }

  .hero h1 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    line-height: 1.1;
    font-weight: 400;
    max-width: 900px;
    margin-bottom: 1.5rem;
  }

  .hero h1 em {
    font-style: italic;
    color: var(--accent);
  }

  .hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.7;
  }

  .hero-ctas {
    display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
    margin-bottom: 5rem;
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--blue) 0%, var(--cyan-dim) 100%);
    color: #fff;
    padding: 0.85rem 2rem;
    border-radius: 10px;
    font-size: 1rem; font-weight: 600;
    text-decoration: none;
    border: none; cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 24px rgba(37,99,235,0.4);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(37,99,235,0.5);
  }

  .btn-secondary {
    background: transparent;
    color: var(--text);
    padding: 0.85rem 2rem;
    border-radius: 10px;
    font-size: 1rem; font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--border-bright);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
  }

  .btn-secondary:hover {
    background: rgba(56,189,248,0.08);
    border-color: var(--accent);
  }

  /* STATS BAR */
  .stats-bar {
    display: flex; gap: 0;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(8px);
    background: var(--card-bg);
    width: 100%; max-width: 700px;
  }

  .stat-item {
    flex: 1;
    padding: 1.5rem 1rem;
    text-align: center;
    border-right: 1px solid var(--border);
  }

  .stat-item:last-child { border-right: none; }

  .stat-num {
    font-family: 'DM Serif Display', serif;
    font-size: 2.2rem;
    color: var(--accent);
    display: block;
    line-height: 1;
    margin-bottom: 0.3rem;
  }

  .stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.3;
  }

  /* PROBLEMA */
  .problema {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
  }

  .section-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 1rem;
  }

  .section-title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 400;
  }

  .section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.7;
  }

  .problema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }

  .problema-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
  }

  .problema-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-3px);
  }

  .problema-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--blue), transparent);
  }

  .problema-icon {
    width: 48px; height: 48px;
    background: rgba(37,99,235,0.15);
    border: 1px solid rgba(37,99,235,0.3);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
  }

  .problema-card h3 {
    font-size: 1.1rem; font-weight: 600;
    margin-bottom: 0.75rem;
  }

  .problema-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
  }

  /* CANALES */
  .canales {
    padding: 6rem 2rem;
    background: linear-gradient(180deg, transparent, rgba(17,32,64,0.4), transparent);
  }

  .canales-inner {
    max-width: 1200px;
    margin: 0 auto;
  }

  .canales-header {
    text-align: center;
    margin-bottom: 4rem;
  }

  .channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
  }

  .channel-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
  }

  .channel-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-4px);
  }

  .channel-card.featured {
    border-color: rgba(6,182,212,0.4);
  }

  .channel-card.featured::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top left, rgba(6,182,212,0.06) 0%, transparent 60%);
    pointer-events: none;
  }

  .channel-badge {
    display: inline-flex;
    align-items: center; gap: 6px;
    font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
  }

  .badge-web {
    background: rgba(37,99,235,0.15);
    color: var(--blue-bright);
    border: 1px solid rgba(37,99,235,0.3);
  }

  .badge-wa {
    background: rgba(34,197,94,0.1);
    color: #4ade80;
    border: 1px solid rgba(34,197,94,0.25);
  }

  .channel-card h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 1.7rem; font-weight: 400;
    margin-bottom: 0.75rem;
    line-height: 1.2;
  }

  .channel-card p {
    color: var(--text-muted);
    font-size: 0.9rem; line-height: 1.65;
    margin-bottom: 1.75rem;
  }

  .channel-features {
    list-style: none;
    display: flex; flex-direction: column; gap: 0.65rem;
  }

  .channel-features li {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 0.88rem; color: var(--text-muted);
  }

  .feat-check {
    color: var(--cyan);
    font-size: 0.9rem;
    margin-top: 2px;
    flex-shrink: 0;
  }

  /* TECNOLOGIA */
  .tecnologia {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
  }

  .tech-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }

  .tech-cards {
    display: flex; flex-direction: column; gap: 1.25rem;
  }

  .tech-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
    display: flex; gap: 1rem;
    transition: border-color 0.2s;
    cursor: default;
  }

  .tech-card:hover { border-color: var(--border-bright); }

  .tech-num {
    font-family: 'DM Serif Display', serif;
    font-size: 2rem;
    color: var(--text-dim);
    line-height: 1;
    min-width: 36px;
    font-style: italic;
  }

  .tech-card h4 {
    font-size: 1rem; font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text);
  }

  .tech-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.55;
  }

  /* IMPACTO */
  .impacto {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(6,182,212,0.06) 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .impacto-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
  }

  .metric-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .metric-card {
    background: rgba(11,22,41,0.8);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem;
    text-align: center;
  }

  .metric-big {
    font-family: 'DM Serif Display', serif;
    font-size: 3.5rem;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.5rem;
    font-weight: 400;
  }

  .metric-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
  }

  .metric-card.span2 {
    grid-column: 1 / -1;
  }

  /* ROADMAP */
  .roadmap {
    padding: 6rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
  }

  .roadmap-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 3.5rem;
    position: relative;
  }

  .step-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.75rem 1.25rem;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
  }

  .step-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-3px);
  }

  .step-card.active {
    border-color: rgba(6,182,212,0.5);
    background: rgba(6,182,212,0.06);
  }

  .step-icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    display: block;
  }

  .step-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
  }

  .step-label.current { color: var(--cyan); }
  .step-label.next { color: var(--text-dim); }

  .step-card h4 {
    font-size: 1rem; font-weight: 600;
    margin-bottom: 0.5rem;
  }

  .step-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
  }

  /* SEGURIDAD */
  .seguridad {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
  }

  .seg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 3rem;
  }

  .seg-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.75rem;
    transition: border-color 0.2s;
  }

  .seg-card:hover { border-color: var(--border-bright); }

  .seg-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
  }

  .seg-card h4 {
    font-size: 0.95rem; font-weight: 600;
    margin-bottom: 0.5rem;
  }

  .seg-card p {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.55;
  }

  /* CTA FINAL */
  .cta-final {
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
  }

  .cta-final::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(37,99,235,0.12) 0%, transparent 70%);
    pointer-events: none;
  }

  .cta-inner {
    position: relative; z-index: 1;
    max-width: 680px; margin: 0 auto;
  }

  .cta-final h2 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1.25rem;
  }

  .cta-final p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    line-height: 1.7;
  }

  .cta-note {
    margin-top: 1.5rem;
    font-size: 0.82rem;
    color: var(--text-dim);
  }

  /* FOOTER */
  footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.82rem;
    position: relative; z-index: 1;
  }

  footer span { color: var(--accent); }

  /* DIVIDER */
  .divider {
    max-width: 1200px;
    margin: 0 auto;
    border: none;
    border-top: 1px solid var(--border);
  }

  /* RESPONSIVE */
  @media (max-width: 768px) {
    nav { padding: 1rem; }
    .nav-links { display: none; }
    .tech-layout { grid-template-columns: 1fr; gap: 2.5rem; }
    .impacto-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .seg-grid { grid-template-columns: 1fr; }
    .stats-bar { flex-direction: column; }
    .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
    .stat-item:last-child { border-bottom: none; }
  }

  /* FADE IN ANIMATION */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hero > * {
    animation: fadeUp 0.7s ease both;
  }

  .hero-badge { animation-delay: 0.1s; }
  .hero h1 { animation-delay: 0.2s; }
  .hero-sub { animation-delay: 0.3s; }
  .hero-ctas { animation-delay: 0.4s; }
  .stats-bar { animation-delay: 0.5s; }

/* Scroll reveal */
.fade-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Active nav link */
.nav-links a.active {
  color: var(--accent);
}

/* Nav scrolled state */
nav.scrolled {
  background: rgba(11,22,41,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}