/* Reset General y Tipografía Sobria */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #f7fafc !important;
    color: #2d3748 !important;
}

/* Encabezado Limpio y Blanco */
.main-header {
    background-color: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border-bottom: 2px solid #ebf8ff;
}

.logo h1 {
    font-size: 20px;
    color: #1a365d; /* Azul Oscuro Profundo */
    font-weight: 700;
    letter-spacing: 0.5px;
}

.navigation a {
    color: #4a5568;
    text-decoration: none;
    margin-left: 25px;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.navigation a:hover {
    color: #2b6cb0; /* Azul Intermedio */
}

/* Botón de Acceso al Portal */
.navigation .btn-login {
    background-color: #2b6cb0;
    color: #ffffff;
    padding: 7px 18px;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.2s;
}

.navigation .btn-login:hover {
    background-color: #1a365d;
    color: #ffffff;
}

/* Hero Section (Banner Superior) */
.hero-section {
    background: linear-gradient(135deg, #1a365d 0%, #2a4365 100%);
    height: 22vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #ffffff;
}

.hero-content h2 {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 6px;
}

.hero-content p {
    color: #e2e8f0;
    font-size: 14px;
}

/* Contenedores de Secciones */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 22px;
    color: #2d3748;
    font-weight: 600;
}

/* Contenedor Estilo Cartelera Digital para Canva */
.canva-container {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 650px; /* Altura ideal estándar para ver flyers o diseños de Canva */
}

/* Ajuste Responsivo para incrustar el Iframe de Canva */
.canva-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    padding: 0;
    margin: 0;
}

/* Pie de Página */
footer {
    background-color: #ffffff;
    color: #718096;
    text-align: center;
    padding: 20px;
    font-size: 13px;
    border-top: 1px solid #e2e8f0;
    margin-top: 40px;
}