:root {
    --primary-color: #0d6efd; /* Azul Bootstrap, puedes cambiarlo por el color de tu logo */
    --dark-color: #1e293b;
    --light-bg: #f8fafc;
}

body {
    font-family: 'Inter', sans-serif;
    color: #334155;
    background-color: #ffffff;
}

/* Tipografía para encabezados */
h1, h2, h3, h4, h5, h6, .brand-font {
    font-family: 'Playwrite GB S', cursive;
    font-weight: 400;
}

/* Ajustes de Navbar */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9) !important;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.navbar-brand img {
    max-height: 40px;
}

/* Sección Hero */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(rgba(15, 23, 42, 0.6), rgba(15, 23, 42, 0.6)), 
                url('https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-align: center;
    padding-top: 80px; /* Para que no lo tape el menú fijo */
}

.hero-section h1 {
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    margin-bottom: 1.5rem;
}

.hero-section p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem auto;
    font-weight: 300;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

/* Sección de 2 Columnas */
.presentation-section {
    padding: 100px 0;
    background-color: #ffffff;
}

.presentation-section h2 {
    font-size: 2.2rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.img-presentation {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    object-fit: cover;
    width: 100%;
    height: 400px;
}

/* Bloque de Características (Iconos + Texto) */
.features-section {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.features-section h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 3rem;
}

.feature-card {
    background: #ffffff;
    padding: 2.5rem 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background-color: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--dark-color);
}

.feature-card p {
    font-size: 0.95rem;
    color: #64748b;
    margin-bottom: 0;
}

/* Banner CTA de Registro */
.cta-banner {
    padding: 120px 0;
    background: linear-gradient(rgba(13, 110, 253, 0.85), rgba(15, 23, 42, 0.9)), 
                url('https://images.unsplash.com/photo-1488646953014-85cb44e25828?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    color: #ffffff;
    text-align: center;
}

.cta-banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-banner p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    font-weight: 300;
    opacity: 0.9;
}

/* Botones Modernos */
.btn-custom-primary {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-custom-outline {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-custom-outline:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Footer sencillo */
footer {
    background-color: var(--dark-color);
    color: #94a3b8;
    padding: 30px 0;
    font-size: 0.9rem;
}