@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --primary-red: #C00000;
    --primary-red-hover: #A00000;
    --dark-bg: #111111;
    --dark-surface: #181818;
    --text-color: #2D3748;
    --text-light: #718096;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --border-color: #E2E8F0;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif !important;
    color: var(--text-color) !important;
    background-color: var(--white) !important;
}

/* Header & Logo Switching */
header {
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    transform: none !important;
    border-radius: 0;
    background: rgba(17, 17, 17, 0.90) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
    padding: 1.2rem 0 !important;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

header.header-scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

header .logo-white { display: inline-block !important; }
header .logo-color { display: none !important; }

header.header-scrolled .logo-white { display: none !important; }
header.header-scrolled .logo-color { display: inline-block !important; }

.logo img {
    max-height: 42px !important;
    object-fit: contain;
}

/* Navigation Links */
header nav ul li a {
    color: var(--white) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

header.header-scrolled nav ul li a {
    color: var(--text-color) !important;
}

header nav ul li a:hover, header.header-scrolled nav ul li a:hover {
    color: var(--primary-red) !important;
}

/* Modern Access Button */
.btn-acceso {
    background: var(--primary-red) !important;
    border-radius: 50px !important;
    padding: 0.6rem 1.5rem !important;
    font-weight: 600 !important;
    color: var(--white) !important;
    box-shadow: 0 4px 15px -3px rgba(192, 0, 0, 0.4);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none !important;
}

.btn-acceso:hover {
    background: var(--primary-red-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px rgba(192, 0, 0, 0.6);
}

/* Hero Section */
.hero {
    min-height: 100vh !important;
    margin-top: 0 !important;
    background-color: var(--dark-bg) !important;
    background-image: 
        radial-gradient(circle at center, rgba(17, 17, 17, 0.20) 0%, rgba(11, 15, 25, 0.60) 100%), 
        url('../includes/bg_grafico_servicios.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    background-attachment: fixed !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding-top: 6rem !important;
    position: relative;
    overflow: hidden;
}

/* Gráfico de Malla Tecnológica (Tech Grid) en el fondo del Hero */
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center;
    pointer-events: none;
    z-index: 1;
}

/* Gráficos de Resplandor Rojo (Glowing Orbs) */
.hero::after {
    content: '';
    position: absolute;
    top: -10%; right: -5%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(192, 0, 0, 0.15) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    filter: blur(40px);
}

.hero-content {
    margin-top: 0 !important;
    position: relative;
    z-index: 10 !important; /* Sobre los gráficos */
    text-align: center;
}

.hero-content {
    margin-top: 0 !important;
    position: relative;
    z-index: 10;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem !important;
    font-weight: 800 !important;
    letter-spacing: -0.02em;
    color: var(--white) !important;
    text-shadow: none !important;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.15rem !important;
    color: rgba(255, 255, 255, 0.85) !important;
    max-width: 800px;
    margin: 0 auto 3rem auto !important;
}

/* Hero Buttons */
.hero .hero-buttons {
    display: flex !important;
    justify-content: center !important;
    gap: 20px !important;
    flex-wrap: wrap !important;
    margin-bottom: 2rem !important;
}

.hero-btn {
    width: auto !important;
    min-width: 200px !important;
    height: auto !important;
    padding: 1rem 2rem !important;
    border-radius: 50px !important;
    font-weight: 600 !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--primary-red) !important;
    color: var(--white) !important;
    border: none !important;
    transition: all 0.3s ease !important;
}

.hero-btn:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border: 2px solid var(--white) !important;
}

.hero-btn i {
    color: var(--white) !important;
}

.hero-btn:hover {
    background-color: var(--primary-red-hover) !important;
    border-color: var(--primary-red-hover) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2) !important;
}

/* Clean Sections General */
section {
    padding: 6rem 0 !important;
    background: var(--white) !important;
}

section:nth-of-type(even) {
    background-color: var(--light-gray) !important;
    /* Dotted tech pattern para secciones grises */
    background-image: radial-gradient(rgba(192, 0, 0, 0.1) 1px, transparent 1px) !important;
    background-size: 20px 20px !important;
    background-position: center;
}

.section-title {
    font-weight: 800 !important;
    color: var(--dark-bg) !important;
    font-size: 2.5rem !important;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    margin-bottom: 3rem !important;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-red);
    border-radius: 2px;
}

/* Services / Philosophy Cards */
.services-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
    gap: 2rem !important;
}

.service-card {
    background: var(--white) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 16px !important;
    padding: 2.5rem 2rem !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03) !important;
    transition: all 0.3s ease !important;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 20px 35px rgba(0,0,0,0.08) !important;
    border-color: rgba(192, 0, 0, 0.2) !important;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-red);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card i {
    color: var(--primary-red) !important;
    font-size: 2.5rem !important;
    margin-bottom: 1.5rem !important;
}

.service-card h3 {
    font-weight: 700 !important;
    color: var(--dark-bg) !important;
    margin-bottom: 1rem !important;
}

.service-card p {
    color: var(--text-light) !important;
    line-height: 1.6 !important;
}

/* Marquee / Clients */
.clients-carousel-container {
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.clients-carousel-track img {
    filter: grayscale(100%) opacity(0.7);
    transition: all 0.3s ease;
}

.clients-carousel-track img:hover {
    filter: grayscale(0%) opacity(1);
}

/* Forms */
.contact-form input, .contact-form textarea {
    background: var(--white) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-color) !important;
    border-radius: 8px !important;
    padding: 1rem !important;
    transition: all 0.3s ease;
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--primary-red) !important;
    box-shadow: 0 0 0 3px rgba(192, 0, 0, 0.1) !important;
    outline: none !important;
}

/* Custom Scrollbar for Gallery Grid */
.gallery-grid-modern::-webkit-scrollbar {
    width: 8px;
}
.gallery-grid-modern::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}
.gallery-grid-modern::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}
.gallery-grid-modern::-webkit-scrollbar-thumb:hover {
    background: var(--primary-red);
}

/* Modern Gallery Modal fixes */
.modal-backdrop-modern {
    background-color: rgba(17, 17, 17, 0.90) !important;
}
/* Decoraciones gráficas extra en secciones */
.service-cards-container, .services-grid {
    position: relative;
    z-index: 5;
}

.service-card {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(5px);
}

/* Hero Dynamic Slider */
.hero {
    background-color: var(--dark-bg) !important;
}

.hero-slider-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    animation: heroFadeInOut 18s infinite;
    opacity: 0;
}

.hero-bg-1 {
    background-image: radial-gradient(circle at center, rgba(17, 17, 17, 0.20) 0%, rgba(11, 15, 25, 0.60) 100%), url('../includes/bg_grafico_servicios.jpg');
    animation-delay: 0s;
}
.hero-bg-2 {
    background-image: radial-gradient(circle at center, rgba(17, 17, 17, 0.20) 0%, rgba(11, 15, 25, 0.60) 100%), url('../includes/bg_grafico_servicios_2.jpg');
    animation-delay: 6s;
}
.hero-bg-3 {
    background-image: radial-gradient(circle at center, rgba(17, 17, 17, 0.20) 0%, rgba(11, 15, 25, 0.60) 100%), url('../includes/bg_grafico_servicios_3.jpg');
    animation-delay: 12s;
}

@keyframes heroFadeInOut {
    0%, 25% { opacity: 1; }
    33%, 92% { opacity: 0; }
    100% { opacity: 1; }
}

.hero::before, .hero::after {
    z-index: 1 !important;
}