/* ========================================
   VARIABLES GLOBALES - DISEÑO PROFESIONAL
   ======================================== */
:root {
    /* Colores principales - Paleta académica profesional */
    --color-primary: #003366; /* Azul marino institucional */
    
    --color-primary-light: #0D47A1;
    --color-accent: #C5A572; /* Dorado elegante */
    
    --color-secondary: #1a4d7d;
    --color-dark: #1a1a1a;
    --color-gray: #666666;
    --color-gray-light: #e8e8e8;
    --color-light: #f8f9fa;
    --color-white: #ffffff;

    /* Tipografía profesional */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Sombras sutiles y profesionales */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* Transiciones suaves */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   RESET Y BASE
   ======================================== */
* {
    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);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: 1rem auto 0;
    border-radius: 2px;
}

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

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.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;
    object-fit: contain;
}

.nav__menu {
    display: flex;
    gap: 2.5rem;
}

.nav__link {
    font-weight: 500;
    color: var(--color-dark);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* ========================================
   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);
}

/* ========================================
   CARRERAS - CARRUSEL
   ======================================== */
.carreras {
    min-height: 100vh;
    padding: 3rem 0;
    /* background-color: var(--color-white); */
    background-color: var(--color-light);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.carreras-slider {
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
}

.carreras-track {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1rem 0;

}

.carrera-card {
    flex: 0 0 100%;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.carrera-card__image {
    width: 100%;
    height: 140px;
    overflow: hidden;
    position: relative;
}

.carrera-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.carrera-card:hover .carrera-card__image img {
    transform: scale(1.1);
}

.carrera-card__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1.25rem;
}

.carrera-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.carrera-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.carrera-card:hover::before {
    transform: scaleX(1);
}

.carrera-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 2.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.carrera-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    min-height: 2.5em;
    line-height: 1.3;
    text-align: center;
}

.carrera-card__features {
    list-style: none;
    margin-bottom: 1rem;
    text-align: left;
    padding-left: 0.5rem;
}

.carrera-card__features li {
    padding: 0.4rem 0;
    color: var(--color-gray);
    font-size: 0.85rem;
    position: relative;
    padding-left: 1.2rem;
}

.carrera-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.slider-btn {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    border: 2px solid var(--color-primary);
    background-color: var(--color-white);
    color: var(--color-primary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 300;
}

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

/* ========================================
   BOTONES
   ======================================== */
.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);
}

/* ========================================
   CONTACTO
   ======================================== */
.contacto {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light);
}

/* .contacto-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
} */

.contacto-container{
    display: flex;
    flex-wrap: nowrap;
    gap: 5rem;
}

.contacto-maps{
    width: 50%;
}

.contact-item{
    text-align: center;
    background-color: var(--color-white);
    border-radius: 8px;
    border: 1px solid var(--color-gray-light);
    transition: var(--transition);
    width: 180px;
    height: 180px;
    /* padding: 0.5rem; */
    /* padding: auto; */
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* justify-content: space-evenly; */
    align-content: space-around;
    align-items: center;
    line-height: 3;

    h3{
        color: var(--color-primary);
    }

    p{
        color: var(--color-gray);
        line-height: 1.5;
    }

    a{
        color: var(--color-primary);
        border-bottom: 1px solid transparent;
        transition: var(--transition);
    }
}

.contact-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);

    a{
        border-bottom-color: var(--color-primary);
    }
}

.contact-item-display{
    display: flex;
    flex-wrap: wrap;
    align-items: center;

}

/* ========================================
   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;
}

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */
@media (min-width: 640px) {
    .carrera-card {
        flex: 0 0 calc(50% - 1rem);
    }
}

/* ========================================
   RESPONSIVE - DESKTOP
   ======================================== */
@media (min-width: 1024px) {
    .carrera-card {
        flex: 0 0 calc(33.333% - 1rem);
    }

    .hero {
        height: 80vh;
    }

    .lista-carreras{
        display: none;
    }

    .contacto-container{
        display: flex;
        /* flex-direction: column; */
        align-items: center;
        gap: 1rem;
        width: 100%;
        
        .contact-item-display{
            gap: 1.5rem;
        }

        .contacto-maps{
            display: flex;
            justify-content: center;
            width: 100%;
        }
    }

    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) {
    .carreras {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.6rem;
        margin-bottom: 1.5rem;
    }
    
    .carrera-card__image {
        height: 120px;
    }
    
    .carrera-card__content {
        padding: 1.25rem 1rem;
    }
    
    .carrera-card__title {
        font-size: 1rem;
        min-height: 2.2em;
    }
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }

    .nav__menu.active {
        left: 0;
    }

    .nav__toggle {
        display: flex;
    }

    .section-title {
        font-size: 2rem;
    }

    .carrera-card, .slider-controls {
        display: none;
    }

    body {
      font-family: Arial, sans-serif;
      background: #f4f4f4;
      margin: 0;
      padding: 0;
    }

    .lista-carreras {
      width: 100%;
      padding: 20px 0;
      margin-top: -100px;
      margin-bottom: -80px;
    }

    .swiper {
      width: 100%;
      padding-bottom: 40px;
    }

    .tarjeta-carrera {
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        padding: 20px;
        text-align: center;
        min-height: 350px;
        height: 350px;
        display: flex;
        flex-direction: column;
        /* justify-content: center; */
        justify-content: space-evenly;
        margin: auto;
        /* align-items: center; */
        a{
            border-radius: 8px;
            /* background-color: var(--color-accent); */
            background-color: var(--color-primary);
            color: var(--color-white);
            /* border-color: var(--color-accent); */
            box-shadow: var(--shadow-sm);
            width: 10rem;
            justify-content: center;
        }
        
        .boton-tarjeta-carrera{
            margin-top: 10px;
            display: flex;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

    }

    .tarjeta-carrera h3 {
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

    .tarjeta-carrera p {
      font-size: 0.9rem;
      color: #555;
    }

    .swiper-button-next,
    .swiper-button-prev {
      color: #333;
    }

    .swiper-pagination-bullet {
      background: #666;
    }

    img{
        border-radius: 16px;
        margin-bottom: 10px;
        height: 150px;
        min-height: 150px;
        object-fit: cover;
        /* box-shadow: 0 2px 8px rgba(0,0,0,0.1); */
    }

    .contacto-container{
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        
        .contact-item-display{
            gap: 1.5rem;
        }

        .contacto-maps{
            display: flex;
            justify-content: center;
            width: 100%;
        }
    }

    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;
                }
            }
        }
    }
}