/* --- Variables de Diseno Moderno --- */
:root {
    --primary: #1a237e;
    --secondary: #ffffff;
    --accent: #3949ab;
    --text: #333333;
    --bg-light: #f4f7f6;
    --radius: 24px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* --- Base --- */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text);
    line-height: 1.6;
}

/* --- Hero Section --- */
.hero-container {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--bg-light);
    border-bottom: 1px solid #e0e0e0;
}

.logo-principal {
    max-width: 150px;
    margin-bottom: 1rem;
}

/* --- Botones Modernos --- */
.botones-inicio {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.btn {
    padding: 1rem 1.5rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

/* --- Formularios --- */
.form-control,
.form-select {
    border-radius: 999px;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

textarea.form-control {
    border-radius: var(--radius);
}

/* --- Landing Info / Features --- */
.landing-info { padding: 3rem 1.5rem; }

.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    padding: 1.5rem;
    border-radius: var(--radius);
    background: white;
    box-shadow: var(--shadow);
    text-align: center;
}

.login-card,
.rounded-soft {
    border-radius: 2rem !important;
}

.card h3 { color: var(--primary); margin-top: 0; }

/* --- Responsividad Escalable --- */
@media (min-width: 768px) {
    .features { grid-template-columns: repeat(3, 1fr); }
    .botones-inicio {
        flex-direction: row;
        justify-content: center;
        gap: 2rem;
    }
}