/* Variables & Configuración */
:root {
    --bg-color: #0f172a;       /* Slate 900 */
    --secondary-bg: #1e293b;   /* Slate 800 */
    --card-bg: #1e293b;
    --text-color: #cbd5e1;     /* Slate 300 */
    --heading-color: #f1f5f9;  /* Slate 100 */
    --accent-color: #38bdf8;   /* Sky 400 */
    --accent-hover: #0ea5e9;   /* Sky 500 */
    --whatsapp-color: #22c55e;
    
    /* Gradientes para Placeholders */
    --grad-legal: linear-gradient(135deg, #1e3a8a 0%, #1e293b 100%); /* Azul corporativo */
    --grad-ecom: linear-gradient(135deg, #f59e0b 0%, #b45309 100%);  /* Ambar/Naranja */
    --grad-tech: linear-gradient(135deg, #0f172a 0%, #334155 100%);  /* Dark Tech */
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden; /* Evita scroll horizontal */
}

h1, h2, h3, h4 {
    color: var(--heading-color);
    font-weight: 700;
    line-height: 1.2;
}

/* --- Navegación Glassmorphism --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.4s ease;
    background: transparent; /* Transparente al inicio */
}

/* Clase que agrega JS al hacer scroll */
.navbar.scrolled {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px); /* Efecto vidrio */
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem 5%; /* Se achica un poco */
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--heading-color);
    letter-spacing: -0.5px;
}

.dot { color: var(--accent-color); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

.btn-nav {
    background-color: var(--accent-color);
    color: #0f172a !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px; /* Bordes redondeados modernos */
    font-weight: 600 !important;
    transition: transform 0.3s ease !important;
}

.btn-nav:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--heading-color); }

/* --- Hero Section --- */
.hero {
    min-height: 100vh; 
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 60px;
    background: radial-gradient(circle at top center, #1e293b 0%, #0f172a 70%);
}

.badge {
    display: inline-block;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.highlight { 
    color: transparent;
    background: linear-gradient(90deg, var(--accent-color), #60a5fa);
    -webkit-background-clip: text;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    color: #94a3b8;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 0 8px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #0f172a;
    box-shadow: 0 4px 14px 0 rgba(56, 189, 248, 0.39);
}

.btn-primary:hover { 
    background-color: var(--accent-hover);
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.23);
}

.btn-secondary {
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--heading-color);
    background: rgba(255,255,255,0.03);
}

.btn-secondary:hover { 
    background: rgba(255,255,255,0.1); 
    border-color: var(--heading-color);
}

/* --- Servicios --- */
.section { padding: 5rem 5%; }
.section-title { text-align: center; font-size: 2.2rem; margin-bottom: 4rem; }
.bg-light { background-color: var(--secondary-bg); border-top: 1px solid #334155; border-bottom: 1px solid #334155; }
.container { max-width: 1200px; margin: 0 auto; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    background: rgba(30, 41, 59, 0.5);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover { 
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.3);
    background: rgba(30, 41, 59, 1);
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.5);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.icon { font-size: 1.5rem; color: var(--accent-color); }

.card h3 { font-size: 1.25rem; margin-bottom: 1rem; }
.card p { font-size: 0.95rem; color: #94a3b8; }

/* --- Portafolio Profesional --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.portfolio-item {
    background: var(--bg-color);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #334155;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

/* Estilos de los Placeholders (Sin Imagen) */
.portfolio-img {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.gradient-legal { background: var(--grad-legal); }
.gradient-ecommerce { background: var(--grad-ecom); }
.gradient-tech { background: var(--grad-tech); }

.project-label {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.portfolio-info { padding: 1.8rem; flex-grow: 1; display: flex; flex-direction: column; }
.portfolio-info h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }

.project-link {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}
.project-link:hover { color: var(--accent-color); }

.portfolio-info p { margin-bottom: 1.5rem; font-size: 0.95rem; color: #94a3b8; flex-grow: 1; }

.btn-link {
    background: none;
    border: none;
    color: var(--accent-color);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s;
}

.btn-link:hover { gap: 10px; color: var(--accent-hover); }

/* --- Contacto --- */
.contact-container-centered { text-align: center; max-width: 700px; margin: 0 auto; }
.contact-buttons-wrapper { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; margin: 2.5rem 0; }

.btn-whatsapp { background-color: var(--whatsapp-color); color: white; border: none; }
.btn-whatsapp:hover { background-color: #16a34a; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4); }

.btn-email { background-color: var(--secondary-bg); border: 1px solid #334155; color: var(--heading-color); }
.btn-email:hover { border-color: var(--accent-color); color: var(--accent-color); transform: translateY(-2px); }

.contact-extra-info { font-size: 0.9rem; color: #64748b; }

/* --- Footer --- */
footer { text-align: center; padding: 2.5rem; border-top: 1px solid #334155; color: #64748b; font-size: 0.9rem; }

/* --- Modal --- */
.modal {
    display: none; 
    position: fixed; 
    z-index: 2000; 
    left: 0; top: 0;
    width: 100%; height: 100%; 
    background-color: rgba(0, 0, 0, 0.8); 
    backdrop-filter: blur(5px); 
    padding: 20px;
    align-items: center; /* Centrar verticalmente */
    justify-content: center;
}

.modal-content {
    background-color: #1e293b;
    padding: 2.5rem;
    border: 1px solid #334155;
    border-radius: 16px;
    width: 100%;
    max-width: 700px; 
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease-out;
    margin: auto; /* Centrado */
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-modal {
    position: absolute;
    top: 1.5rem; right: 1.5rem;
    color: #64748b; font-size: 1.8rem; cursor: pointer; transition: 0.2s;
}
.close-modal:hover { color: white; }

.modal-title { color: var(--accent-color); margin-bottom: 1.5rem; padding-right: 2rem; font-size: 1.5rem; }
.modal-body h4 { color: white; margin-top: 1.5rem; font-size: 1.1rem; border-bottom: 1px solid #334155; padding-bottom: 0.5rem; margin-bottom: 1rem; }
.modal-list { margin-left: 1.2rem; color: #cbd5e1; font-size: 0.95rem; }
.modal-list li { margin-bottom: 0.5rem; }

.highlight-text {
    background: rgba(245, 158, 11, 0.1); /* Ambar */
    border-left: 3px solid #f59e0b;
    padding: 1rem;
    border-radius: 0 6px 6px 0;
    font-size: 0.9rem;
    color: #e2e8f0;
}

.modal-footer { margin-top: 2rem; text-align: right; }

/* --- ANIMACIONES DE SCROLL (REVEAL) --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links {
        position: absolute; top: 100%; left: 0; width: 100%;
        background: var(--bg-color); flex-direction: column;
        padding: 2rem; display: none; border-bottom: 1px solid #334155;
    }
    .nav-links.active { display: flex; }
    .hero h1 { font-size: 2.2rem; }
    .btn { width: 100%; margin: 5px 0; }
    .modal-content { padding: 1.5rem; }
}

.modal {
    /* ... tus otras propiedades ... */
    overflow-y: auto; /* Permite scroll dentro del modal si el contenido es largo */
}

.modal-content {
    /* ... tus otras propiedades ... */
    margin-top: 50px;
    margin-bottom: 50px;
}