/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #e0f2f7 0%, #cce7f0 100%); /* Tonos azules para el fondo */
    min-height: 100vh;
}

/* Colores basados en el escudo institucional */
:root {
    --primary-blue: #4a90e2;
    --secondary-blue: #357abd;
    --dark-blue: #2c5aa0;
    --light-blue: #87ceeb;
    --gold: #d4af37;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 2rem 0;
    box-shadow: 0 4px 20px var(--shadow);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--white);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.institution-info h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.institution-info h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gold);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.institution-info p {
    font-size: 1rem;
    opacity: 0.9;
}

.download-section {
    display: flex;
    align-items: center;
}

.download-btn {
    background: linear-gradient(135deg, var(--gold) 0%, #b8941f 100%);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    border: 2px solid transparent;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
    border-color: var(--white);
}

.download-btn i {
    font-size: 1.2rem;
}

/* Contenido principal */
.main-content {
    max-width: 1000px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.container {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow);
    overflow: hidden;
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--light-blue), var(--secondary-blue)); /* Más tonos azules */
}

.document-header {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%); /* Tonos azules */
    padding: 2.5rem;
    border-bottom: 3px solid var(--primary-blue);
}

.document-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.document-type {
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.document-date {
    background: var(--gold);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.document-details {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 5px solid var(--primary-blue);
    box-shadow: 0 4px 15px var(--shadow);
}

.document-details p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.document-details strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Secciones de contenido */
.content-section {
    padding: 3rem;
}

.greeting {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2.5rem;
    border-left: 5px solid var(--primary-blue);
    position: relative;
}

.greeting::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-blue);
    opacity: 0.3;
    font-family: serif;
}

.main-text p {
    margin-bottom: 1.5rem;
    text-align: justify;
    font-size: 1.05rem;
    line-height: 1.8;
}

.clarifications-section {
    margin: 3rem 0;
    padding: 2.5rem;
    background: linear-gradient(135deg, #e0f7fa 0%, #cceef0 100%); /* Tonos azules */
    border-radius: 15px;
    border: 2px solid var(--primary-blue); /* Borde azul */
}

.clarifications-section h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.clarifications-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
}

.clarification-item {
    background: var(--white);
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px var(--shadow);
    border-left: 4px solid var(--secondary-blue); /* Borde azul */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.clarification-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-hover);
}

.clarification-item h4 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.clarification-item p {
    margin-bottom: 1rem;
    text-align: justify;
    line-height: 1.7;
}

.response-section,
.commitment-section {
    margin: 3rem 0;
    padding: 2.5rem;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%); /* Tonos azules */
    border-radius: 15px;
    border: 2px solid var(--primary-blue); /* Borde azul */
}

.response-section h3,
.commitment-section h3 {
    color: var(--dark-blue);
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.response-section p,
.commitment-section p {
    text-align: justify;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.signature-section {
    margin-top: 3rem;
    padding: 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    border-radius: 15px;
}

.signature-title {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    font-style: italic;
}

.signature {
    display: inline-block;
    padding: 1.5rem 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.signature-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gold);
}

.signature .signature-title {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info p,
.institutional-info p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info i {
    color: var(--primary-blue);
    width: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .logo-section {
        flex-direction: column;
        text-align: center;
    }

    .institution-info h1 {
        font-size: 1.4rem;
    }

    .institution-info h2 {
        font-size: 1.2rem;
    }

    .document-info {
        flex-direction: column;
        align-items: stretch;
    }

    .document-type,
    .document-date {
        text-align: center;
    }

    .content-section {
        padding: 2rem;
    }

    .clarifications-section,
    .response-section,
    .commitment-section {
        padding: 1.5rem;
    }

    .clarification-item {
        padding: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 0 1rem;
    }

    .content-section {
        padding: 1.5rem;
    }

    .logo {
        width: 80px;
        height: 80px;
    }

    .institution-info h1 {
        font-size: 1.2rem;
    }

    .institution-info h2 {
        font-size: 1rem;
    }
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.clarification-item,
.response-section,
.commitment-section {
    animation: fadeInUp 0.6s ease-out;
}

/* Efectos de hover mejorados */
.clarification-item:hover h4 {
    color: var(--gold);
    transition: color 0.3s ease;
}

/* Estilos para texto destacado */
strong {
    color: var(--primary-blue);
    font-weight: 600;
}

em {
    color: var(--medium-gray);
    font-style: italic;
}

/* Mejoras de accesibilidad */
a:focus,
button:focus {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Estilos adicionales para efectos JavaScript */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.keyboard-navigation *:focus {
    outline: 3px solid #d4af37 !important;
    outline-offset: 2px !important;
}

.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}