:root {
    /* Colores */
    --primary-color: #DC2626; /* Rojo vibrante */
    --secondary-color: #F87171; /* Rojo más claro */
    --background-color: #111111; /* Negro profundo */
    --footer-bg-color: #000000; /* Negro absoluto */
    --text-color-light: #E0E0E0; /* Gris claro para texto */
    --text-color-dark: #333333; /* Gris oscuro para contraste */
    --accent-color: #FFD700; /* Dorado para acentos, si es necesario */
    --section-bg-1: #111111;
    --section-bg-2: #222222; /* Tono más oscuro de background para contraste */
    --section-bg-3: #333333; /* Otro tono oscuro */


    /* Fuentes */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Roboto Condensed', sans-serif;

    /* Espaciado */
    --spacing-unit: 1rem;
    --padding-sm: calc(var(--spacing-unit) * 1);
    --padding-md: calc(var(--spacing-unit) * 1.5);
    --padding-lg: calc(var(--spacing-unit) * 3);

    /* Bordes y Sombras */
    --border-radius: 8px;
    --shadow-flat: 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.4);
    --shadow-3d-light: 0px 4px 0px rgba(0, 0, 0, 0.3); /* Sombra para efecto 3D */
    --shadow-3d-dark: 0px 6px 0px rgba(0, 0, 0, 0.5); /* Sombra para efecto 3D */

    /* Transiciones */
    --transition-speed: 0.3s;
    --transition-ease: ease-in-out;
}

/* Base styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color-light);
    background-color: var(--background-color);
    line-height: 1.7;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

h1 {
    font-size: 3.5rem;
    font-weight: 900;
}

h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--text-color-light); /* Para un contraste más suave en secciones */
}

h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Utility classes for spacing and containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--padding-md);
}

.section {
    padding: var(--padding-lg) 0;
    position: relative;
    overflow: hidden;
}

/* Background sections */
.section-bg-1 {
    background-color: var(--section-bg-1);
}

.section-bg-2 {
    background-color: var(--section-bg-2);
}

.section-bg-3 {
    background-color: var(--section-bg-3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.2rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #FFFFFF;
    box-shadow: var(--shadow-3d-light);
    transition: all var(--transition-speed) var(--transition-ease);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.08em;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-3d-dark);
}

.btn:hover:before {
    opacity: 1;
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 0px rgba(0, 0, 0, 0.3);
}


/* Header */
.header {
    position: sticky;
    top: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.9); /* Negro translúcido */
    padding: var(--padding-sm) 0;
    z-index: 1000;
    box-shadow: var(--shadow-flat);
    backdrop-filter: blur(5px);
}

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

.header .logo {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.header .nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--padding-md);
}

.header .nav a {
    color: var(--text-color-light);
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-speed) var(--transition-ease);
}

.header .nav a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.header .nav a.active {
    color: var(--primary-color);
}

.header .nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) var(--transition-ease);
}

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


/* Footer */
.footer {
    background-color: var(--footer-bg-color);
    color: var(--text-color-light);
    padding: var(--padding-lg) 0;
    font-size: 0.95rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23222222" fill-opacity="0.4"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"%3E%3C/path%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.3;
    z-index: 0;
}

.footer .container {
    position: relative;
    z-index: 1;
}

.footer p {
    margin-bottom: 1rem;
}

.footer .social-icons {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer .social-icons a {
    color: var(--text-color-light);
    font-size: 1.8rem;
    transition: color var(--transition-speed) var(--transition-ease), transform var(--transition-speed) var(--transition-ease);
}

.footer .social-icons a:hover {
    color: var(--primary-color);
    transform: translateY(-5px) scale(1.1);
}

/* Cards (for services/testimonials) */
.card {
    background-color: var(--section-bg-2);
    border-radius: var(--border-radius);
    padding: var(--padding-lg);
    box-shadow: var(--shadow-flat);
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

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

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), transparent);
    opacity: 0.7;
    transition: width var(--transition-speed) var(--transition-ease);
}

.card:hover::before {
    width: 100%;
}

/* Form elements */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--padding-sm);
    margin-bottom: var(--padding-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--text-color-light);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.3);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    opacity: 0;
    animation: fadeIn 0.8s var(--transition-ease) forwards;
}

/* Media Queries */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .header .nav ul {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding-top: var(--padding-sm);
    }

    .header .container {
        flex-direction: column;
    }

    .header .logo {
        margin-bottom: var(--padding-sm);
    }

    .btn {
        width: 100%;
        padding: 0.8rem 1.5rem;
    }

    .section {
        padding: var(--padding-md) 0;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    p {
        font-size: 1rem;
    }

    .btn {
        font-size: 1rem;
    }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}