/* CSS modificado para el portafolio */
:root {
    --primary-color: #1a2a6c;
    --accent-color: #3498db;
    --background-color: #f4f6f9;
    --card-bg: #ffffff;
    --header-text: #ffffff;
    --text-color: #333;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --secondary-color: #1a2a6c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #2ecc71;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.8;
    max-width: 960px;
    margin: 0 auto;
    padding: 100px 20px 40px 20px;
}

.container {
    max-width: 100%;
    padding: 0 20px;
}

header {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 30px;
    padding: 30px 20px;
    background-color: var(--primary-color);
    color: var(--header-text);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2.4em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2em;
    margin-bottom: 20px;
    color: var(--header-text);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.project-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-content {
    padding: 20px;
}

.project-title {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: var(--accent-color);
    font-weight: bold;
    text-align: left;
}

.project-description {
    margin-bottom: 15px;
    color: var(--text-color);
    text-align: left;
}

.project-section {
    margin-bottom: 15px;
    text-align: left;
}

.section-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    font-size: 1.1em;
    border-left: 5px solid var(--accent-color);
    padding-left: 10px;
}

.section-title i {
    margin-right: 8px;
}

.test-users {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.test-user {
    background-color: var(--light-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tool {
    background-color: var(--primary-color);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.project-links {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 14px;
}

.btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    height: 40px;
}

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

.btn-primary:hover {
    background-color: #3a56d4;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #1a252f;
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--accent-color);
    color: white;
}

.btn-accent:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn i {
    margin-right: 5px;
}

.project-highlight {
    background-color: #fff9e6;
    padding: 10px;
    border-left: 4px solid #f1c40f;
    margin: 15px 0;
    font-size: 0.9rem;
    text-align: left;
}

footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* Barra de navegación */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, background-color 0.3s ease;
    z-index: 1000;
    transform: translateY(0);
    color: white;
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 40px;
    width: 40px;
    z-index: 1100;
}

.hamburger {
    width: 28px;
    height: 4px;
    background: #fff;
    margin: 4px 0;
    border-radius: 2px;
    transition: all 0.3s;
    display: block;
}

.nav-toggle.open .hamburger:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open .hamburger:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open .hamburger:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
    body {
        padding: 90px 5px 20px 5px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 2rem;
    }

    /* Estilos responsive para la navegación */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--primary-color);
        flex-direction: column;
        align-items: center;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
        gap: 0;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        padding: 1rem;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #334;
    }

    .nav-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}