/* ===== Variables Globales ===== */

:root {
    --primary-color: #1a73e8;
    --secondary-color: #fbbc05;
    --background-color: #f5f5f5;
    --gradient-purple: #580488;
    --text-color: #333333;
    --heading-color: #111111;
    --light-color: #ffffff;
    --dark-color: #000000;
    --muted-color: #6c757d;
}


/* ===== Reseteo Básico ===== */

body,
h1,
h2,
h3,
p {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}


/* ===== Navbar ===== */

.navbar {
    background-color: var(--dark-color);
}

.navbar-brand {
    color: var(--background-color);
    font-weight: bold;
}

.nav-link {
    color: var(--light-color);
    transition: color 0.3s ease;
}

.nav-link:hover,
.navbar-brand:hover {
    color: var(--secondary-color);
}

#nav-logo {
    height: 3.4rem;
}


/* ===== Hero Section ===== */

.hero {
    background-color: var(--dark-color);
    color: var(--light-color);
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    font-weight: bold;
}

.hero p {
    font-size: 1.25rem;
    margin-top: 10px;
}

.hero a {
    color: var(--primary-color);
    background-color: var(--light-color);
    padding: 10px 20px;
    border-radius: 5px;
    text-transform: uppercase;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.hero a:hover {
    background-color: var(--secondary-color);
    color: var(--light-color);
}

#intro-header {
    position: relative;
    width: 100%;
    overflow: hidden;
}

#bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
    object-fit: cover;
}

#bg-video~.row {
    position: relative;
    z-index: 1;
    margin-bottom: 10%;
}

#visit-card {
    background: rgba(0, 0, 0, 0.884);
    border-radius: 20px;
    max-width: 60%;
    filter: drop-shadow(1.5px 1.5px 7px var(--background-color));
}

#visit-card:hover {
    transform: none !important;
}

#visit-card img {
    width: 150px;
    height: auto;
    border: 1px solid var(--secondary-color);
    transform: scale(1.16);
    filter: drop-shadow(4px 1.5px 6px var(--primary-color));
}

#visit-card h2 {
    font-size: 2rem;
    font-weight: bold;
}

#visit-card h3 {
    font-size: 1.25rem;
    font-weight: 500;
}

#visit-card blockquote {
    font-size: 1.2rem;
}

#social-links a {
    background: none;
    padding: 0;
    margin: 10px;
}

#social-links a>i {
    font-size: 2rem;
    color: var(--primary-color);
    transition: all 0.3s ease-in-out;
}

#social-links a>i:hover {
    transform: scale(1.2);
    color: var(--secondary-color);
}


/* ===== Main Cards  ===== */

.card {
    border: none;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
}

.card-title {
    color: var(--primary-color);
    font-weight: bold;
}

.card-text {
    color: var(--muted-color);
}


/* ===== About Me Section ===== */

#about {
    background-color: var(--light-color);
    color: var(--text-color);
    padding: 50px 0;
    box-shadow: 0 6px 8px 8px rgba(0, 0, 0, 0.485);
}

#about h2 {
    color: var(--heading-color);
    margin-bottom: 20px;
}

#about p {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

#lapdog {
    /* height: 100%; */
    filter: drop-shadow(10px 10px 5px rgba(0, 0, 0, 0.5));
}


/* .cl-badges {
    height: 25%;
    left: 15%;
    filter: drop-shadow(10px 10px 5px rgba(0, 0, 0, 0.5));
    position: absolute !important;
} */


/* .cl-badges img {
    height: 100%;
} */


/* ===== Carousel Section ===== */

.carousel-control-prev,
.carousel-control-next {
    width: 50px;
    height: 50px;
    top: 45%;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background-color: var(--primary-color);
    opacity: 1;
}


/* Estilo de los íconos (flechas) */

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: transparent;
    width: 20px;
    height: 20px;
    filter: invert(1);
}


/* ===== Portfolio Section ===== */

#portfolio {
    background-color: var(--background-color);
    background-image: url('/static/imgs/portfolio-bg.jpg');
    color: var(--text-color);
    padding: 50px 0;
    min-height: 500px;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#portfolio h2 {
    color: var(--light-color);
    margin-bottom: 40px;
    text-align: center;
}

.fa {
    color: var(--primary-color);
}


/* ===== Skills Sliders Section ===== */

#skills {
    box-shadow: 0 6px 8px 8px rgba(0, 0, 0, 0.485);
}

.slider-container {
    overflow: hidden;
    position: relative;
    height: auto;
}

.slider {
    display: flex;
    gap: 20px;
    animation: slide 20s linear infinite;
}

#skills .card {
    min-width: 300px;
    flex-shrink: 0;
}

#skills .card:hover {
    transform: scale(1.07);
    transition: all 0.4 ease-in-out;
}

@keyframes slide {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-80%);
    }
}


/* ===== Studies Section ===== */

#studies {
    margin: 0 auto;
    overflow: auto;
    box-sizing: border-box;
    background-color: #1e293b;
}

#studies p,
#studies i,
#studies h2,
#studies hr,
#studies h4 {
    color: var(--light-color);
    text-align: center;
}


/* The actual timeline (the vertical ruler) */

.main-timeline-4 {
    position: relative;
    padding: 2rem 0;
    margin: 0 auto;
}

.main-timeline-4::after {
    content: "";
    position: absolute;
    width: 3.5px;
    background: linear-gradient(to right, var(--gradient-purple), var(--primary-color));
    top: 0;
    bottom: 0;
    left: 49.8%;
    margin-left: -1.5px;
}


/* Container around content */

.timeline-4 {
    position: relative;
    background-color: inherit;
    width: 50%;
    padding: 1rem;
    box-sizing: border-box;
}


/* The circles on the timeline */

.timeline-4::after {
    content: "";
    position: absolute;
    width: 25px;
    height: 25px;
    right: -11px;
    background-color: var(--primary-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
    transition: transform 0.3s ease;
}

.timeline-4:hover::after {
    transform: scale(1.2);
}


/* Place the container to the left */

.left-4 {
    padding: 0px 40px 20px 0px;
    left: 0;
}


/* Place the container to the right */

.right-4 {
    padding: 0px 0px 20px 40px;
    left: 50%;
}


/* Add arrows to the left container (pointing right) */

.left-4::before {
    content: " ";
    position: absolute;
    top: 18px;
    z-index: 1;
    right: 31px;
    border: medium solid var(--primary-color);
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent var(--primary-color);
}


/* Add arrows to the right container (pointing left) */

.right-4::before {
    content: " ";
    position: absolute;
    top: 18px;
    z-index: 1;
    left: 31px;
    border: medium solid var(--primary-color);
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--primary-color) transparent transparent;
}


/* Fix the circle for containers on the right side */

.right-4::after {
    left: -14px;
}

.gradient-custom {
    background: var(--secondary-color);
    background: linear-gradient(to right, var(--gradient-purple), var(--primary-color));
}

.gradient-custom-4 {
    background: var(--primary-color);
    background: linear-gradient(to left, var(--gradient-purple), var(--primary-color));
}


/* ===== Contact Section ===== */

#contact {
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 50px 0;
}

#contact h2 {
    color: var(--light-color);
    margin-bottom: 20px;
}

#contact p {
    margin-bottom: 30px;
}

#contact .form-control {
    border: 2px solid var(--light-color);
    background-color: transparent;
    color: var(--light-color);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

#contact .form-control:focus {
    border-color: var(--secondary-color);
    background-color: #a0b2ca8a;
    color: var(--light-color);
}

#contact button {
    background-color: var(--secondary-color);
    color: var(--dark-color);
    font-weight: bold;
    padding: 10px 20px;
    border: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#contact button:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

#contact input::placeholder,
#contact textarea::placeholder {
    color: var(--light-color)
}


/* ===== Footer ===== */

footer {
    background-color: var(--dark-color);
    color: var(--muted-color);
}

footer p {
    margin: 0;
    padding: 10px 0;
}

footer small {
    color: var(--secondary-color);
}


/* ===== Media Queries ===== */

@media (max-width: 768px) {
    .hero h2 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .card {
        margin-bottom: 20px;
    }
    #lapdog {
        height: 80%;
    }
    #visit-card {
        background: rgba(0, 0, 0, 0.8);
        border-radius: 20px;
        max-width: 80%;
    }
}


/* Media queries - Responsive timeline on screens less than 600px wide */

@media screen and (max-width: 600px) {
    .main-timeline-4::after {
        left: 31px;
    }
    .timeline-4 {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    .timeline-4::before {
        left: 62px;
        border: medium solid var(--primary-color);
        border-width: 10px 10px 10px 0;
        border-color: transparent var(--primary-color) transparent transparent;
    }
    .left-4::before {
        border-color: transparent var(--gradient-purple) transparent transparent;
    }
    .left-4::after,
    .right-4::after {
        left: -5px;
    }
    .left-4::before {
        right: auto;
    }
    .right-4 {
        left: 0%;
    }
    .left-4::after {
        background-color: var(--gradient-purple);
    }
}

@media (max-width: 374px) {
    #nav-logo {
        height: 4.4rem;
    }
    .navbar-brand {
        font-size: 1.12rem;
    }
    .slider {
        display: flex;
        gap: 20px;
        animation: slide 30s linear infinite;
    }
    @keyframes slide {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(-573%);
        }
    }
}