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

:root {
    --dacom-red: #E3000F;
    --dacom-red-glow: rgba(227, 0, 15, 0.4);
    --dacom-dark: #0a0a0a;
    --dacom-gray-light: #f8f9fa;
    --dacom-white: #ffffff;
    --text-main: #333333;
    --text-muted: #666666;
    --transition: 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Poppins', sans-serif; background-color: var(--dacom-gray-light); color: var(--text-main); overflow-x: hidden; }
h1, h2, h3 { font-family: 'Poppins', sans-serif; }
a { text-decoration: none; }
.container { max-width: 1300px; margin: 0 auto; padding: 0 1.5rem; }

/* HEADER BLANCO & RESPONSIVE */
header {
    position: fixed; width: 100%; top: 0; z-index: 1000;
    background: var(--dacom-white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding: 15px 0; transition: var(--transition);
}
header.scrolled { padding: 10px 0; box-shadow: 0 4px 20px rgba(0,0,0,0.1); }

.nav-inner { display: flex; justify-content: space-between; align-items: center; }

.logo { display: flex; align-items: center; gap: 10px; color: var(--dacom-dark); font-weight: 900; font-size: 1.4rem; letter-spacing: 1px;}
.logo img { height: 35px; width: auto; }
.logo span { color: var(--dacom-red); }

.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { color: var(--text-main); font-weight: 700; font-size: 0.9rem; transition: var(--transition); text-transform: uppercase; }
.nav-links a:hover { color: var(--dacom-red); }

.btn-header {
    border: 2px solid var(--dacom-red); color: var(--dacom-red) !important;
    padding: 8px 24px; border-radius: 30px;
}
.btn-header:hover { background: var(--dacom-red); color: var(--dacom-white) !important; }

/* HAMBURGER MENU (MOBILE) */
.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 1001; }
.menu-toggle span { display: block; width: 25px; height: 3px; background-color: var(--dacom-dark); transition: var(--transition); }

/* ================= NUEVO HERO (EFECTO TECNOLOGÍA/DATA) ================= */
.hero {
    background-color: #050508; /* Negro ultra profundo, casi azulado/tecno */
    min-height: 100vh; 
    display: flex; 
    align-items: center; 
    position: relative; 
    overflow: hidden; 
    padding-top: 80px;
}

/* Cuadrícula de base sutil */
.tech-grid {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
}

/* Orbe de luz roja central muy suave y expansivo */
.hero::before {
    content: ''; position: absolute; top: 40%; left: 50%; width: 80vw; height: 80vh;
    background: radial-gradient(ellipse, rgba(227, 0, 15, 0.15) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    z-index: 2; pointer-events: none;
}

/* Flujo de datos animados (Lasers rojos verticales y horizontales) */
.data-stream {
    position: absolute;
    background: linear-gradient(to bottom, transparent, var(--dacom-red), transparent);
    width: 2px; height: 40vh;
    opacity: 0.8; filter: blur(1px); z-index: 3;
    animation: dataFall linear infinite;
}

.line-1 { left: 15%; animation-duration: 4s; animation-delay: 0s; }
.line-2 { left: 85%; animation-duration: 5s; animation-delay: 2s; height: 50vh; }
.line-3 { 
    top: 30%; left: -30vw; width: 30vw; height: 2px; 
    background: linear-gradient(to right, transparent, var(--dacom-red), transparent);
    animation: dataSlide 6s linear infinite; 
}

@keyframes dataFall {
    0% { top: -50vh; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 110vh; opacity: 0; }
}
@keyframes dataSlide {
    0% { left: -30vw; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { left: 110vw; opacity: 0; }
}

/* Ajustes de contenido del Hero */
.hero-content { position: relative; z-index: 10; text-align: center; max-width: 800px; margin: 0 auto; }
.hero h1 { font-size: 4.5rem; color: var(--dacom-white); line-height: 1.2; margin-bottom: 20px; font-weight: 700; }
.text-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p { font-size: 1.15rem; color: #a1a1aa; margin-bottom: 40px; font-weight: 300; letter-spacing: 0.5px; }
/* ================= FIN HERO ================= */

.btn-main {
    background: var(--dacom-red); color: var(--dacom-white); padding: 16px 40px;
    border-radius: 4px; font-family: 'Raleway', sans-serif; font-weight: 900; font-size: 1.1rem;
    display: inline-block; transition: var(--transition); text-transform: uppercase;
}
.btn-main:hover { transform: translateY(-3px); background: #ff0011; box-shadow: 0 10px 30px var(--dacom-red-glow); }

/* CATÁLOGO */
.catalog { padding: 100px 0; background: var(--dacom-gray-light); }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-size: 2.5rem; color: var(--dacom-dark); font-weight: 900; }
.section-title span { color: var(--dacom-red); }

/* CARDS ------------- */
.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); 
    gap: 30px; 
    max-width: 1300px; 
    margin: 0 auto; 
}

/* --- CARDS ACTUALIZADAS --- */
.card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e5e5e5;
    transition: 0.3s;
    position: relative;
    /* Mantenemos el borde base transparente para que no salte al hacer hover */
    border-bottom: 6px solid #e5e5e5;
}

.card-img { 
    width: 100%; 
    height: 260px; /* Altura fija inicial */
    overflow: hidden; 
    position: relative;
}

.card-img img { 
    width: 100%; 
    height: auto; /* IMPORTANTE: Dejamos que la imagen sea alta */
    display: block;
    transition: transform 5s cubic-bezier(0.2, 0, 0.2, 1); /* Transición LENTA y suave */
    transform: translateY(0);
}

/* Efecto Hover: Elevación + Borde Rojo + Scroll de imagen */
.card:hover { 
    transform: translateY(-8px) translateZ(0); 
    border-bottom: 6px solid var(--dacom-red); /* Borde rojo activo */
    box-shadow: 0 15px 35px rgba(0,0,0,0.1); 
}

.card:hover .card-img img { 
    /* Mueve la imagen hacia arriba. 
       Ajusta el valor si la imagen es extremadamente larga */
    transform: translateY(calc(-100% + 260px)); 
}

.badge-inline {
    display: inline-block; /* Tamaño corto, ajustado al texto */
    background: #333232; /* Negro mate / Gris muy oscuro */
    color: #ffffff; /* Letras blancas */
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 5px 12px;
    border-radius: 2px; /* Casi recto, más profesional */
    border-left: 4px solid var(--dacom-red); /* Borde izquierdo rojo dacom */
    margin-bottom: 15px;
    box-shadow: none; /* Sin sombras como pediste */
}

.card-content { padding: 25px; flex-grow: 1; display: flex; flex-direction: column; }
.card-content h3 { font-size: 1.4rem; color: var(--dacom-dark); margin-bottom: 10px; font-weight: 900; }
.card-content p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 25px; flex-grow: 1; }

.btn-card {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: #f4f4f5; color: var(--text-main); font-family: 'Raleway', sans-serif;
    font-weight: 700; padding: 12px 15px; border-radius: 6px; transition: var(--transition);
    border: 1px solid #e5e5e5; text-transform: uppercase; font-size: 0.85rem;
}
.btn-card svg { width: 18px; height: 18px; transition: transform 0.3s; }
.card:hover .btn-card { background: var(--dacom-red); color: var(--dacom-white); border-color: var(--dacom-red); }
.card:hover .btn-card svg { transform: translateX(5px); fill: #ffffff; }

/* ANIMACIONES Y LOADER */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

#loader { text-align:center; padding: 20px; display:none; color: var(--dacom-red); font-weight: bold; }

/* --- ANIMACIÓN DE SCROLL INFINITO (TIPO SAAS) --- */
.infinite-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 40px 0;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s ease;
}
.infinite-loader.active {
    opacity: 1;
    visibility: visible;
}
.infinite-loader .dot {
    width: 10px;
    height: 10px;
    background-color: var(--dacom-red);
    border-radius: 50%;
    animation: pulseLoader 1.5s infinite ease-in-out both;
}
.infinite-loader .dot:nth-child(1) { animation-delay: -0.32s; }
.infinite-loader .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes pulseLoader {
    0%, 80%, 100% { transform: scale(0); opacity: 0.3; }
    40% { transform: scale(1); opacity: 1; }
}

/* FOOTER NUEVO */
footer { 
    background: #1a1a1a; color: #aaaaaa; text-align: center; 
    padding: 20px 0; border-top: 2px solid var(--dacom-red); 
}
footer p { font-weight: 600; font-size: 0.95rem; letter-spacing: 0.5px; }

/* MEDIA QUERIES (RESPONSIVE) */
@media (max-width: 992px) {
    .hero h1 { font-size: 3.5rem; }
    .grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 250px; height: 100vh;
        background: var(--dacom-white); flex-direction: column; justify-content: center;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1); transition: 0.4s ease; padding: 2rem;
    }
    .nav-links.active { right: 0; }
    .nav-links a { font-size: 1.1rem; }
    
    .menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }
    .hero { padding-top: 100px; min-height: 80vh; }
    
    .section-title h2 { font-size: 2rem; }
    .catalog { padding: 60px 0; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .btn-main { width: 100%; text-align: center; }
    .grid { grid-template-columns: 1fr; }
}