/* ===== VARIABLES Y RESET ===== */
:root {
    /* Colores USAM - versión profesional */
    --primary-color: #0e4683;
    --primary-light: #2c6cb0;
    --primary-dark: #0a3461;
    --secondary-color: #cf2a2d;
    --secondary-light: #e04e51;
    --secondary-dark: #a82124;
    --accent-color: #c12d37;
    --light-color: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #dee2e6;
    
    /* Sombras sutiles */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.15);
    
    /* Bordes */
    --border-radius-sm: 6px;
    --border-radius: 10px;
    --border-radius-lg: 15px;
    --border-radius-xl: 20px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: var(--light-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== MAIN WRAPPER ===== */
.main-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, 
        rgba(14, 70, 131, 0.02) 0%, 
        rgba(255, 255, 255, 1) 100%);
    position: relative;
}

/* ===== HEADER ELEGANTE ===== */
.elegant-header {
    background: var(--light-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.university-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.badge-logo {
    position: relative;
    width: 80px;
    height: 80px;
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
    border: 3px solid var(--light-color);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 2;
}

.badge-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: linear-gradient(45deg, 
        var(--primary-color) 0%, 
        var(--primary-light) 100%);
    border-radius: 50%;
    opacity: 0.1;
    z-index: 1;
}

.badge-text {
    flex: 1;
    min-width: 250px;
}

.university-name {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.system-description {
    color: var(--text-light);
    font-size: 1rem;
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.current-time,
.date-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.current-time i,
.date-display i {
    color: var(--secondary-color);
}

.header-divider {
    position: relative;
    height: 2px;
    margin-top: var(--spacing-lg);
}

.divider-line {
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--border-color), 
        transparent);
}

.divider-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* ===== SECCIÓN DE BIENVENIDA ===== */
.welcome-section {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
}

.welcome-container {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.welcome-content {
    max-width: 600px;
}

.welcome-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.title-main {
    display: block;
    color: var(--text-color);
    font-weight: 400;
}

.title-highlight {
    display: block;
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.title-highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(14, 70, 131, 0.1);
    z-index: -1;
    border-radius: 4px;
}

.welcome-message {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.welcome-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.feature-item i {
    color: var(--secondary-color);
}

.welcome-illustration {
    width: 200px;
    height: 200px;
    position: relative;
}

.illustration-container {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        var(--primary-light) 0%, 
        var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-color);
    font-size: 4rem;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-lg);
}

.illustration-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 220px;
    height: 220px;
    background: linear-gradient(135deg, 
        rgba(14, 70, 131, 0.2) 0%, 
        rgba(14, 70, 131, 0.05) 100%);
    border-radius: 50%;
    z-index: 1;
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.3;
    }
}

/* ===== SECCIÓN DE PERFILES ===== */
.profile-section {
    padding: var(--spacing-xl);
    background: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.profile-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--primary-color), 
        var(--secondary-color));
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--secondary-color);
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.profile-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.profile-card {
    background: var(--light-color);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    overflow: hidden;
}

.decoration-line {
    height: 100%;
    width: 100%;
}

.student-profile .decoration-line {
    background: linear-gradient(90deg, 
        var(--primary-color), 
        var(--primary-light));
}

.teacher-profile .decoration-line {
    background: linear-gradient(90deg, 
        var(--secondary-color), 
        var(--secondary-light));
}

.decoration-icon {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border: 2px solid;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.student-profile .decoration-icon {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.teacher-profile .decoration-icon {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.card-header {
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--light-gray);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.student-profile .card-icon {
    background: rgba(14, 70, 131, 0.1);
    color: var(--primary-color);
}

.teacher-profile .card-icon {
    background: rgba(207, 42, 45, 0.1);
    color: var(--secondary-color);
}

.card-badge {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.student-profile .card-badge {
    background: rgba(14, 70, 131, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(14, 70, 131, 0.2);
}

.teacher-profile .card-badge {
    background: rgba(207, 42, 45, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(207, 42, 45, 0.2);
}

.card-body {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.card-title {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.student-profile .card-title {
    color: var(--primary-dark);
}

.teacher-profile .card-title {
    color: var(--secondary-dark);
}

.card-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.card-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem;
    background: var(--light-gray);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.feature:hover {
    background: var(--medium-gray);
    transform: translateX(3px);
}

.feature i {
    color: var(--dark-gray);
}

.student-profile .feature i {
    color: var(--primary-color);
}

.teacher-profile .feature i {
    color: var(--secondary-color);
}

.card-info {
    background: var(--light-gray);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item i {
    color: var(--primary-color);
}

.card-footer {
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-top: 1px solid var(--border-color);
}

.profile-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: left;
}

.student-btn {
    background: linear-gradient(135deg, 
        var(--primary-color), 
        var(--primary-dark));
    color: var(--light-color);
}

.teacher-btn {
    background: linear-gradient(135deg, 
        var(--secondary-color), 
        var(--secondary-dark));
    color: var(--light-color);
}

.profile-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.profile-btn:hover i {
    transform: translateX(5px);
}

.profile-btn i {
    transition: var(--transition);
}

/* ===== SECCIÓN DE INFORMACIÓN ===== */
.info-section {
    padding: var(--spacing-xl);
    background: var(--light-color);
}

.info-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.info-card {
    background: var(--light-gray);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--light-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    flex-shrink: 0;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.info-content {
    flex: 1;
}

.info-content h5 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
}

.info-list {
    margin-top: var(--spacing-sm);
}

.info-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: 0.8rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.info-list li i {
    color: var(--secondary-color);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.help-text {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text-color);
    font-size: 0.95rem;
}

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

/* ===== FOOTER PROFESIONAL ===== */
.main-footer {
    background: var(--primary-dark);
    color: var(--light-color);
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.footer-logo-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--light-color);
}

.footer-logo-text h6 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--light-color);
}

.footer-logo-text p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer-links h6,
.footer-contact h6 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--light-color);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--light-color);
    transform: translateX(5px);
}

.footer-links a i {
    font-size: 0.8rem;
    transition: var(--transition);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    line-height: 1.5;
}

.footer-contact i {
    width: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    flex: 1;
    min-width: 300px;
}

.copyright p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.developer-credit {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

.developer-credit strong {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

.footer-badges {
    display: flex;
    gap: var(--spacing-sm);
}

.system-badge {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.system-badge i {
    color: rgba(255, 255, 255, 0.9);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .welcome-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .welcome-illustration {
        margin: 0 auto;
    }
    
    .welcome-features {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .elegant-header {
        padding: var(--spacing-lg);
    }
    
    .header-top {
        flex-direction: column;
        text-align: center;
    }
    
    .university-badge {
        flex-direction: column;
        text-align: center;
    }
    
    .header-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .current-time,
    .date-display {
        width: 100%;
        justify-content: center;
    }
    
    .welcome-title {
        font-size: 2rem;
    }
    
    .profile-cards {
        grid-template-columns: 1fr;
    }
    
    .card-features {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-badges {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .welcome-section,
    .profile-section,
    .info-section {
        padding: var(--spacing-lg);
    }
    
    .welcome-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .card-header {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .card-badge {
        align-self: center;
    }
}