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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9edf2 100%);
    color: #1a202c;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Contenedor principal que simula una landing page */
.landing-container {
    max-width: 1280px;
    width: 90%;
    margin: 2rem auto;
    background: #ffffff;
    border-radius: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

/* ===== HEADER / NAVIGATION ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    border-bottom: 1px solid #e2e8f0;
    background: white;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #2563eb, #1e3a8a);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #2563eb;
}

.btn-outline {
    border: 1px solid #cbd5e0;
    padding: 0.5rem 1.25rem;
    border-radius: 2rem;
    background: white;
    font-weight: 600;
}

.btn-outline:hover {
    background: #f8fafc;
    border-color: #2563eb;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 4rem 3rem;
    text-align: center;
    background: white;
}

.hero-badge {
    display: inline-block;
    background: #e0e7ff;
    color: #1e40af;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.3rem 1rem;
    border-radius: 2rem;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    max-width: 800px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #0f172a, #2563eb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 1.2rem;
    color: #475569;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.btn-primary {
    background: #2563eb;
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background 0.2s, transform 0.1s;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #1e293b;
    border: 1px solid #cbd5e1;
    padding: 0.8rem 2rem;
    border-radius: 2rem;
    font-weight: 600;
    margin-left: 1rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-secondary:hover {
    border-color: #2563eb;
    background: #f8fafc;
}

/* ===== SECCIÓN DE CARDS (ACCESOS) ===== */
.cards-section {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 3rem 4rem;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #0f172a;
    margin-bottom: 15px;
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    justify-content: center;
    max-width: 800px;
    margin-top: 15px;
}

.card {
    background: white;
    border-radius: 1.5rem;
    padding: 1.8rem;
    width: 280px;
    text-align: center;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
    border: 1px solid #e2e8f0;
    text-decoration: none;
    color: inherit;
    display: block;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 25px -12px rgba(0, 0, 0, 0.15);
    border-color: #cbd5e1;
}

.card-icon {
    font-size: 2.5rem;
    background: #e0e7ff;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2rem;
    margin: 0 auto 1.2rem;
    color: #2563eb;
}

.card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card p {
    color: #475569;
    font-size: 0.9rem;
}

.badge-model {
    display: inline-block;
    background: #e2e8f0;
    font-size: 0.7rem;
    padding: 0.2rem 0.8rem;
    border-radius: 2rem;
    margin-top: 1rem;
    font-weight: 500;
    color: #1e293b;
    text-decoration: none;
}

/* ===== FOOTER ===== */
.footer {
    background: white;
    padding: 1.8rem 3rem;
    text-align: center;
    border-top: 1px solid #e2e8f0;
    color: #64748b;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1.5rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero {
        padding: 3rem 1.5rem;
    }

    .cards-section {
        padding: 2rem 1.5rem;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 1rem;
    }
}