/* ===================================================================
   ARCHIVO: assets/css/style.css
   PROPÓSITO: Estilos principales del portafolio, paleta de colores, utilidades y componentes globales
   ===================================================================*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Variables CSS simples */
:root {
    /* Colores principales */
    --primary-green: #22c55e;
    --dark-green: #166534;
    --light-green: #f0fdf4;
    --white: #ffffff;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Sombras simples */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Gradiente verde simple */
    --gradient-green: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
}

/* ===================================================================
   NAVEGACIÓN SIMPLE
   ===================================================================*/

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-green) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.8rem;
}

.nav-link {
    color: var(--gray-600) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-green) !important;
    background: var(--light-green);
}

/* ===================================================================
   BOTONES SIMPLES
   ===================================================================*/

.btn-green {
    background: var(--gradient-green);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.btn-green:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-outline-green {
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-outline-green:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
}

/* ===================================================================
   HERO SECTION SIMPLE
   ===================================================================*/

.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-green) 100%);
    display: flex;
    align-items: center;
    padding-top: 100px;
}

.hero-avatar {
    width: 120px;
    height: 120px;
    background: var(--gradient-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: var(--shadow-lg);
}

.hero-avatar i {
    font-size: 3rem;
    color: white;
}

.hero-badge {
    background: var(--light-green);
    color: var(--primary-green);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
    border: 1px solid var(--primary-green);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ===================================================================
   SECCIONES GENERALES
   ===================================================================*/

.section-container {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-green);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* ===================================================================
   CARDS DE ESTADÍSTICAS SIMPLES
   ===================================================================*/

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--light-green);
    color: var(--primary-green);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.stat-description {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* ===================================================================
   PROYECTOS SIMPLE
   ===================================================================*/

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-link {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.project-link.github {
    background: var(--gray-100);
    color: var(--gray-700);
}

.project-link.demo {
    background: var(--primary-green);
    color: white;
}

.project-link:hover {
    transform: translateY(-2px);
}

/* ===================================================================
   CONTACTO SIMPLE
   ===================================================================*/

.contact-section {
    background: var(--light-green);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-green);
    color: white;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.contact-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.contact-info {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* ===================================================================
   FOOTER SIMPLE
   ===================================================================*/

.footer {
    background: var(--gray-900);
    color: white;
    padding: 3rem 0 1rem;
    text-align: center;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--gray-400);
    margin-bottom: 2rem;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 1rem;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ===================================================================
   ANIMACIONES SIMPLES
   ===================================================================*/

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================================================
   RESPONSIVE DESIGN
   ===================================================================*/

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid,
    .projects-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar-nav {
        text-align: center;
        padding-top: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-avatar {
        width: 100px;
        height: 100px;
    }
    
    .hero-avatar i {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* ===================================================================
   UTILIDADES BOOTSTRAP PERSONALIZADAS
   ===================================================================*/

.btn-success {
    background: var(--gradient-green) !important;
    border: none !important;
    border-radius: 10px !important;
    padding: 0.75rem 1.5rem !important;
    font-weight: 600 !important;
    box-shadow: var(--shadow) !important;
}

.btn-success:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-lg) !important;
}

.text-success {
    color: var(--primary-green) !important;
}

.bg-success {
    background: var(--gradient-green) !important;
}

/* ===================================================================
   CLASES DE COMPONENTES REUTILIZABLES
   ===================================================================*/

.card-modern {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.card-modern:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.icon-circle {
    width: 50px;
    height: 50px;
    background: var(--light-green);
    color: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.badge-green {
    background: var(--light-green);
    color: var(--primary-green);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--primary-green);
}

/* ===================================================================
   ESTADO VACÍO PARA PROYECTOS
   ===================================================================*/

.empty-state {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 2px dashed var(--gray-300);
}

.empty-state i {
    font-size: 4rem;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.empty-state h3 {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* ===================================================================
   DASHBOARD ADMIN - ESTILOS ESPECÍFICOS
   ===================================================================*/

/* Dashboard Principal */
.admin-dashboard {
    background: #f8f9fa;
    min-height: 100vh;
}

/* Navbar Admin */
.admin-navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #e5e7eb;
}

.admin-navbar .navbar-brand {
    font-weight: 700;
    color: #22c55e !important;
}

.admin-navbar .btn {
    margin: 0 0.25rem;
    border-radius: 8px;
    font-weight: 500;
}

/* Hero del Dashboard */
.dashboard-hero {
    background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 100%);
    padding: 3rem 0;
    margin-bottom: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

.hero-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Estadísticas Admin */
.stat-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.stat-description {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Cards de Proyectos Admin */
.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

/* Botones Admin */
.btn-admin {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-admin-primary {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border: none;
}

.btn-admin-primary:hover {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    transform: translateY(-2px);
    color: white;
}

.btn-admin-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: none;
}

.btn-admin-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    color: white;
}

/* Estado Vacío Admin */
.empty-state {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 2px dashed #d1d5db;
}

.empty-state i {
    font-size: 4rem;
    color: #9ca3af;
    margin-bottom: 1rem;
}

/* Footer Admin */
.footer-admin {
    background: #1f2937;
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

/* Efectos adicionales para formularios */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-effect 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-effect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.hex-input-container.focused .hex-input-icon {
    color: var(--accent-green);
    transform: scale(1.1);
}

.hex-input-container.has-value .hex-input-icon {
    color: var(--primary-green);
}