/* style.css */
/* VARIABLES DE IDENTIDAD CORPORATIVA DALA TECHNOLOGIES */
:root {
    /* Paleta Principal */
    --color-primary-dark: #061846; /* Azul Oscuro Dala */
    --color-primary-deep: #00072F; /* Azul Más Oscuro */
    --color-purple-dark: #2E1636;  /* Morado Oscuro */
    --color-purple-light: #341D53; /* Morado Suave */
    
    /* Paleta Secundaria / Acentos */
    --color-accent-yellow: #FABC02;
    --color-accent-orange: #FD5308;
    --color-accent-pink: #FF5E92;
    --color-accent-gray: #B3B3B3;
    
    /* Tipografías */
    /* El manual dice Clear Sans para títulos y Open Sans para cuerpo. 
       Usamos una alternativa limpia si Clear Sans no está, pero usaremos un sans-serif elegante. */
    --font-heading: 'Clear Sans', 'Open Sans', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Neutros */
    --color-white: #ffffff;
    --color-text-light: #e0e0e0;
    --color-bg-dark: #0a0e17; /* Fondo general oscuro para resaltar la marca */
    
    /* Transiciones */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s ease-in-out;
}

/* RESET BASICO */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-light);
    background-color: var(--color-bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--color-white);
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
}

/* UTILS */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--color-white), var(--color-accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--color-accent-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.bg-dark {
    background-color: var(--color-primary-deep);
}

/* BOTONES */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--color-accent-pink), var(--color-accent-orange));
    color: var(--color-white);
    border: none;
    box-shadow: 0 4px 15px rgba(255, 94, 146, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 94, 146, 0.6);
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background: rgba(0, 7, 47, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-fast);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 70px; /* Tamaño aumentado para mayor visibilidad */
    max-height: 80px;
    filter: drop-shadow(0px 0px 5px rgba(255,255,255,0.2));
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2.2rem;
    cursor: pointer;
}

.nav a {
    margin-left: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-accent-gray);
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-pink);
    transition: var(--transition-fast);
}

.nav a:hover::after {
    width: 100%;
}

.nav .btn-portal {
    background: rgba(255, 94, 146, 0.1);
    border: 1px solid var(--color-accent-pink);
    padding: 8px 18px;
    border-radius: 20px;
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: 40px;
}

.nav .btn-portal::after {
    display: none;
}

.nav .btn-portal:hover {
    background: var(--color-accent-pink);
    box-shadow: 0 0 15px rgba(255, 94, 146, 0.4);
    transform: translateY(-2px);
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-purple-dark) 100%);
    overflow: hidden;
}

/* Decoración abstracta de fondo tipo circuito/red */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(253, 83, 8, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 94, 146, 0.15) 0%, transparent 30%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding-top: 80px;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-accent-gray);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--color-accent-yellow);
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-accent-yellow);
    color: var(--color-primary-deep);
    box-shadow: 0 8px 25px rgba(250, 188, 2, 0.4);
    transform: translateY(-3px);
}

/* SERVICIOS SECTION */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: rgba(6, 24, 70, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent-yellow), var(--color-accent-pink));
    transform: scaleX(0);
    transition: var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(6, 24, 70, 0.6);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-accent-yellow);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--color-accent-gray);
    font-size: 0.95rem;
}

/* PORTAFOLIO SECTION */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.portfolio-card {
    background-color: var(--color-primary-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    transition: var(--transition-fast);
    position: relative;
    group: hover;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(255, 94, 146, 0.2);
}

.portfolio-img-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-card:hover .portfolio-img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 7, 47, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay .btn-visit {
    background: transparent;
    border: 2px solid var(--color-accent-pink);
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 20px;
    margin-top: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.portfolio-overlay .btn-visit:hover {
    background: var(--color-accent-pink);
}

.portfolio-info {
    padding: 20px;
    text-align: center;
}

.portfolio-title {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--color-white);
}

.portfolio-url {
    font-size: 0.85rem;
    color: var(--color-accent-gray);
}

/* FOOTER */
.footer {
    background-color: #030a1c;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 65px; /* Tamaño aumentado para mayor legibilidad */
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--color-accent-gray);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-contact .email-link {
    font-size: 1.1rem;
    color: var(--color-accent-pink);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
}

.footer-contact .email-link:hover {
    color: var(--color-white);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--color-accent-gray);
    font-size: 0.85rem;
}

/* WHATSAPP FLOAT */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366; /* Color oficial WhatsApp */
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 35px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition-fast);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .header {
        padding: 10px 0;
    }

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

    .logo-img {
        height: 45px;
    }

    .mobile-menu-btn {
        display: block;
    }
    
    .nav {
        display: none; /* Oculto por defecto en móvil */
        width: 100%;
        flex-direction: column;
        background: rgba(0, 7, 47, 0.98);
        padding: 20px;
        border-radius: 10px;
        margin-top: 15px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        gap: 15px;
        align-items: center;
    }

    .nav.active {
        display: flex;
    }
    
    .nav a {
        margin-left: 0;
        font-size: 1.1rem;
    }
    
    .nav .btn-portal {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
        justify-content: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}