/* ==========================================================================
   ESTRUCTURA EXCLUSIVA: EPISTOLARIO / CONTACTO
   ========================================================================== */

.epistolario-header {
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 35px;
    position: relative;
}

.header-top {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-headers);
    font-size: 0.75rem;
    letter-spacing: 2px;
    margin-bottom: 15px;
    opacity: 0.8;
}

.epistolario-title {
    font-family: var(--font-gothic);
    font-size: 3.2rem;
    line-height: 1;
    margin-bottom: 8px;
}

.epistolario-subtitle {
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

/* Distribución a dos columnas */
.epistolario-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* Columna 1: Formulario embebido */
.letter-form-container {
    border: 1px solid var(--border-color);
    padding: 25px;
    background-color: var(--paper-texture-subtle);
    display: flex;
    flex-direction: column;
}

.form-header {
    text-align: center;
    margin-bottom: 18px;
}

.stamp-icon {
    font-size: 1.8rem;
    color: var(--burgundy);
}

.form-header h2 {
    font-family: var(--font-headers);
    font-size: 1.3rem;
    margin-top: 5px;
}

.form-header p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 4px;
}

/* Contenedor del iframe */
.form-embed {
    flex: 1;
    margin-top: 5px;
    border: 1px solid var(--border-color);
    background: #fff;
    overflow: hidden;
}

.form-embed iframe {
    width: 100%;
    height: 720px;          /* Ajusta esta altura si lo necesitas */
    border: none;
    display: block;
    background: #fff;
}

/* Columna 2: Muro de Cartas */
.board-header {
    text-align: center;
    margin-bottom: 20px;
}

.board-header h3 {
    font-family: var(--font-headers);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.letters-feed {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.letter-card {
    border-left: 3px solid var(--burgundy);
    border-bottom: 1px dashed var(--light-border);
    padding: 15px;
    background-color: var(--paper-texture-subtle);
}

.letter-meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-headers);
    font-size: 0.75rem;
    margin-bottom: 8px;
}

.sender {
    color: var(--burgundy);
    font-weight: bold;
}

.letter-date {
    opacity: 0.7;
}

.letter-body {
    font-size: 0.9rem;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: 8px;
}

.letter-recomendaciones {
    margin: 12px 0 6px;
    padding-top: 10px;
    border-top: 1px dashed var(--light-border);
    font-size: 0.82rem;
}

.rec-item {
    margin: 4px 0;
    line-height: 1.4;
}

.rec-label {
    font-family: var(--font-headers);
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--burgundy);
    margin-right: 6px;
}

.letter-footer {
    margin-top: 6px;
}

.sender-link {
    font-family: var(--font-headers);
    font-size: 0.65rem;
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.8;
}

.sender-link:hover {
    color: var(--burgundy);
}

/* Responsivo */
@media (max-width: 900px) {
    .epistolario-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .form-embed iframe {
        height: 780px;
    }
}

@media (max-width: 600px) {
    .letter-form-container {
        padding: 18px;
    }

    .form-embed iframe {
        height: 820px;
    }
}