/* Variables */
:root {
    --primary-color: #8b5cf6;
    --secondary-color: #7c3aed;
    --background-color: #0f172a;
    --card-background: #1e293b;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --gray-light: #334155;
    --gray-medium: #475569;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
    
    --container-max-width: 1200px;
    --container-padding: 2rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Navegación */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-light);
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.navbar.sticky {
    background-color: rgba(15, 23, 42, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--primary-color);
}



/* Estilos para el botón de hamburguesa */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1002;
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
}

.bar {
    height: 2px;
    width: 100%;
    background-color: var(--text-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* Estilos para el contenedor de navegación */
.nav-container {
    display: flex;
    align-items: center;
    gap: 2rem;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--card-background);
        flex-direction: column;
        justify-content: flex-start;
        padding: 5rem 2rem 2rem;
        z-index: 1001;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }
    
    .nav-container.active {
        right: 0;
        z-index: 800;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 1.5rem;
    }
    
    .nav-links a {
        font-size: 1.1rem;
        width: 100%;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--gray-light);
    }
    
    .lang-switch {
        margin-top: 2rem;
        align-self: flex-start;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1000;
        transition: opacity 0.3s ease;
        opacity: 0;
    }
    
    .menu-overlay.active {
        display: block;
        opacity: 1;
        z-index: 500;
    }
}

@media (max-height: 600px) {
    .nav-container {
        padding-top: 4rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        padding: 0.35rem 0;
    }
}



/* Hero Section */
.hero {
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center; 
    background-color: var(--background-color);
    position: relative;
    padding-left: 0;
    padding-right: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.1), transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.hero-content {
    max-width: 800px;
    text-align: left;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.2;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}


/* Botones */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    margin: 0.5rem;
}

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

.btn.secondary {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}


/* Secciones */
section {
    padding: 5rem 0; 
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    /* text-align: left; */
    color: var(--text-color);
}


/* Skills Cards */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.skill-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.skill-card h3 {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.skill-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Project Cards */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.card {
    background: var(--card-background);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid var(--gray-light);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.25rem;
    color: var(--text-color);
}

.card-content h4 {
    color: var(--text-color);
    font-weight: normal;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.card-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tags span {
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    border: 1px solid var(--primary-color);
}

.card-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--gray-light);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--transition);
    background-color: var(--background-color);
    color: var(--text-muted);
    border: 1px solid var(--gray-light);
}

.card-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.card-link i {
    font-size: 1rem;
}


/* Client Projects Section */
.client-projects {
    background-color: rgba(139, 92, 246, 0.03);
    border-top: 1px solid var(--gray-light);
    border-bottom: 1px solid var(--gray-light);
}

.client-projects .card {
    background: var(--background-color);
}



/* Contact Form */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--gray-light);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--background-color);
    border: 1px solid var(--gray-light);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
    resize: none;
}

.form-alert {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
    border: 1px solid transparent;
}
.form-alert--success {
    background-color: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.3);
    color: #22c55e;
}
.form-alert--error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Footer */
.footer {
    background-color: var(--card-background);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--gray-light);
}

.social-links {
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.5rem;
    margin: 0 0.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color);
}



/* Professional Links Section */
.professional-links {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(to bottom right, rgba(139, 92, 246, 0.05), rgba(0, 0, 0, 0));
}

.professional-links h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.links-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    max-width: 800px;
    margin: 0 auto;
}

.pro-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    background-color: transparent;
}

.pro-link:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.2);
}

.pro-link i {
    font-size: 1.25rem;
}

.pro-link strong {
    font-weight: 700;
    margin-left: 0.25rem;
}



/* Language Switcher */
.lang-switch {
    display: flex;
    gap: 0.5rem;
    background-color: rgba(15, 23, 42, 0.5);
    padding: 0.25rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.lang-switch a {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.875rem;
}

.lang-switch a:hover,
.lang-switch a.active {
    color: var(--primary-color);
    background-color: rgba(139, 92, 246, 0.1);
}



/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: wrap;
        gap: 1rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .nav-logo {
        flex: 1;
    }

    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--card-background);
        flex-direction: column;
        justify-content: flex-start;
        padding: 5rem 2rem 2rem;
        z-index: 1001;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }
    
    .nav-links {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 1.5rem;
        position: relative; 
        z-index: 1002; 
    }
    
    .nav-links a {
        font-size: 1.1rem;
        width: 100%;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--gray-light);
        position: relative;
        z-index: 1003; 
        cursor: pointer; 
        display: block; 
    }
    
    .lang-switch {
        order: 2;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.125rem;
    }

    section {
        padding: 3rem 0;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    h2 {
        font-size: 2rem;
        text-align: center;
    }
}

@media (min-width: 1800px) {
    :root {
        --container-max-width: 1400px;
    }
}

.text-center {text-align: center;}