/* ========================================
   CSS NORMALIZADO PARA PÁGINAS DE CARRERAS
   Diseño profesional y corporativo
   ======================================== */

/* Variables globales - Paleta profesional */
:root {
    --color-primary: #003366;      /* Navy profesional */
    --color-secondary: #1a4d7d;    /* Navy medio */
    --color-accent: #C5A572;       /* Dorado elegante */
    --color-dark: #1a1a1a;
    --color-gray: #666666;
    --color-gray-light: #e0e0e0;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-light);
    z-index: 1000;
    height: 73px;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 73px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.nav__logo img {
    width: 50px;
    height: 50px;
}

.btn-back {
    padding: 0.625rem 1.75rem;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.btn-back:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* HERO DE CARRERA */
.carrera-hero {
    margin-top: 73px;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    text-align: center;
}

.carrera-hero__icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent), #d4b883);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    letter-spacing: -1px;
}

.carrera-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
}

.carrera-hero__subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    letter-spacing: 0.3px;
}

.carrera-hero__badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.badge {
    display: inline-block;
    padding: 0.625rem 1.75rem;
    background-color: rgba(255,255,255,0.15);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge--gold {
    background-color: var(--color-accent);
    color: var(--color-dark);
    border-color: var(--color-accent);
}

/* INFORMACIÓN DE LA CARRERA */
.carrera-info {
    padding: var(--spacing-xl) 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.info-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--color-gray-light);
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 600;
}

.info-card p {
    color: var(--color-gray);
    line-height: 1.7;
}

/* DESCRIPCIÓN */
.carrera-descripcion {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.carrera-descripcion h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 1rem;
}

.carrera-descripcion h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.carrera-descripcion h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.3px;
    font-weight: 600;
}

.carrera-descripcion p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.carrera-descripcion ul {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.carrera-descripcion ul li {
    padding: 0.5rem 0;
    color: var(--color-gray);
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.7;
}

.carrera-descripcion ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.3rem;
    line-height: 1.4;
}

/* CTA */
.carrera-cta {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-gray-light);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.carrera-cta h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.5px;
}

.carrera-cta p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn--primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-top: 3px solid var(--color-accent);
    padding: 3rem 0 1.5rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
    justify-items: center;
}

.footer-section h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    justify-content: center;
}

.footer-section p,
.footer-section li {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.footer-section a {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.footer-section a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.footer-carreras {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
}

.footer-carreras a {
    padding: 0.5rem 0;
    display: block;
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

/* PLAN DE ESTUDIOS - DISEÑO INSTITUCIONAL FORMAL */
.plan-estudios {
    margin: var(--spacing-xl) 0;
}

.plan-estudios h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.anos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: var(--spacing-xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.ano-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.ano-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--color-secondary);
}

.ano-numero {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.ano-titulo {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-heading);
}

.ano-content {
    padding: 1.5rem;
    flex: 1;
}

.asignaturas-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.asignatura-item {
    background-color: var(--color-light);
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-gray-light);
    border-radius: 3px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: background-color 0.2s ease;
}

.asignatura-item:hover {
    background-color: var(--color-white);
    border-color: var(--color-primary);
}

.asignatura-icon {
    width: 32px;
    height: 32px;
    background-color: var(--color-accent);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
    font-family: var(--font-heading);
}

.asignatura-texto {
    flex: 1;
    font-size: 0.9rem;
    color: var(--color-dark);
    font-weight: 500;
    line-height: 1.3;
}

.asignatura-practica {
    background-color: rgba(0, 51, 102, 0.08);
    border-color: var(--color-primary);
}

.asignatura-practica .asignatura-icon {
    background-color: var(--color-primary);
}

/* CAMPO LABORAL INSTITUCIONAL */
.campo-laboral {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    margin: var(--spacing-xl) 0;
}

.campo-laboral h3 {
    text-align: center;
    color: var(--color-primary);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-primary);
}

.campo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: var(--spacing-md);
}

.campo-item {
    background-color: var(--color-white);
    padding: 1.25rem;
    border: 1px solid var(--color-gray-light);
    border-radius: 3px;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: border-color 0.2s ease;
}

.campo-item:hover {
    border-color: var(--color-primary);
}

.campo-icono {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.campo-texto {
    color: var(--color-dark);
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .anos-grid {
        gap: 1.5rem;
    }
    
    .ano-content {
        padding: 1.25rem;
    }
}

@media (max-width: 900px) {
    .anos-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 600px;
    }
    
    .plan-estudios h3 {
        font-size: 1.6rem;
    }
    
    .campo-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .carrera-hero__icon {
        font-size: 3.5rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .ano-numero {
        font-size: 1.8rem;
    }
    
    .ano-titulo {
        font-size: 0.9rem;
    }
    
    .asignatura-texto {
        font-size: 0.85rem;
    }
}

@media (max-width: 1024px) {
    footer{
        .footer-section {
            h3{
                font-size: 1.5rem;
            }

            ul{
                li{
                    font-size: 1.2rem;
                    svg{
                        width: 30px;
                        height: 30px;
                    }
                }
            }

            p{
                font-size: 1.5rem;
            }

            .footer-carreras{
                a{
                    font-size: 1.5rem;
                    line-height: 1;
                }
            }
        }
    }
}

@media (max-width: 768px) {

    footer{
        .footer-section {
            h3{
                font-size: 2rem;
            }

            ul{
                li{
                    font-size: 1.7rem;
                    svg{
                        width: 40px;
                        height: 40px;
                    }
                }
            }

            p{
                font-size: 1.7rem;
                text-align: center;
            }

            .footer-carreras{
                a{
                    font-size: 1.7rem;
                    line-height: 1;
                }
            }
        }
    }

}

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    width: 100%;
    height: 75vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 73px;
}

.hero__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(0, 51, 102, 0.85) 0%,
            rgba(26, 77, 125, 0.7) 100%);
}

.hero__content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.hero__content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero__location {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.hero__badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.badge {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 4px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.badge--gold {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}