/* --- VARIABLES & GLOBAL STYLES --- */
:root {
    --primary-color: #4A148C; /* Morado oscuro */
    --secondary-color: #7E57C2; /* Morado más claro */
    --accent-color: #FFC107; /* Amarillo para acentos */
    --dark-bg: #1A1A2E;
    --light-bg: #F9F9F9;
    --dark-card: #16213E;
    --light-card: #ffffff;
    --dark-text: #E0FBFC;
    --light-text: #333333;
    --font-primary: 'Nunito Sans', sans-serif;
    --font-accent: 'Lora', serif;
    --shadow: 0 10px 35px rgba(0, 0, 0, 0.05);
    --radius: 10px;
    --transition: all 0.3s ease-in-out;
}

body {
    font-family: var(--font-primary);
    margin: 0;
    padding-top: 80px;
    background-color: var(--light-bg);
    color: var(--light-text);
    transition: var(--transition);
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

/* --- HEADER --- */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
    z-index: 1000;
    transition: var(--transition);
}
.dark-mode .sticky-header {
    background: rgba(22, 33, 62, 0.9);
}
.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon { font-size: 1.8rem; color: var(--primary-color); }
.dark-mode .logo-icon { color: var(--accent-color); }
.logo-text {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.6rem;
    text-decoration: none;
}
.dark-mode .logo-text { color: var(--dark-text); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; padding: 0; margin: 0; }
.nav-links a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
}
.dark-mode .nav-links a { color: var(--dark-text); }
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}
.dark-mode .nav-links a:hover::after { background-color: var(--accent-color); }
.nav-links a:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.toggle-theme {
    background: none;
    border: 1px solid #ddd;
    color: var(--light-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.dark-mode .toggle-theme { border-color: #444; color: var(--dark-text); }
.toggle-theme:hover { background-color: var(--primary-color); color: white; border-color: var(--primary-color); }
.toggle-theme .fa-sun { display: none; }
.dark-mode .toggle-theme .fa-moon { display: none; }
.dark-mode .toggle-theme .fa-sun { display: block; }
.menu-btn { display: none; }

/* --- GENERAL SECTIONS & TITLES --- */
main { max-width: 1200px; margin: 0 auto; padding: 5rem 2rem; }
.section-title {
    font-family: var(--font-accent);
    font-size: 2.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}
.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 3.5rem auto;
}
.dark-mode .section-subtitle { color: #bbb; }
.section-container { margin-bottom: 6rem; }

/* --- HERO SECTION --- */
.hero-section {
    display: flex;
    align-items: center;
    gap: 3rem;
    min-height: calc(85vh - 80px);
    margin-top: -5rem;
}
.hero-content { flex: 1.2; }
.hero-content h1 {
    font-family: var(--font-accent);
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}
.hero-content .highlight { color: var(--primary-color); }
.dark-mode .hero-content .highlight { color: var(--accent-color); }
.hero-content p { font-size: 1.2rem; color: #555; margin-bottom: 2.5rem; line-height: 1.7; }
.dark-mode .hero-content p { color: #bbb; }
.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 16px 35px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(74, 20, 140, 0.3);
}
.cta-button:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(74, 20, 140, 0.4); }
.hero-image { flex: 1; text-align: center; }
.hero-image img {
    max-width: 100%;
    border-radius: var(--radius);
}

/* --- SERVICES SECTION --- */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.servicio-card {
    background: var(--light-card);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-bottom: 5px solid var(--primary-color);
}
.dark-mode .servicio-card { background: var(--dark-card); border-bottom-color: var(--accent-color); }
.servicio-card:hover { transform: translateY(-10px); }
.servicio-icon { font-size: 3rem; color: var(--primary-color); margin-bottom: 1.5rem; }
.dark-mode .servicio-icon { color: var(--accent-color); }
.servicio-card h3 {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}
.servicio-card p { font-size: 1rem; color: #666; line-height: 1.6; }
.dark-mode .servicio-card p { color: #ccc; }

/* --- ABOUT US / WHY US SECTION --- */
.about-section {
    display: flex;
    align-items: center;
    gap: 3rem;
    background: var(--light-bg);
    padding: 3rem;
    border-radius: var(--radius);
}
.dark-mode .about-section { background: var(--dark-card); }
.about-image { flex: 1; }
.about-image img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.about-content { flex: 1.5; }
.about-content .section-title { text-align: left; }
.about-content p { margin-bottom: 1.5rem; line-height: 1.8; font-size: 1.1rem; }
.feature-list { list-style: none; padding: 0; margin-bottom: 2rem; }
.feature-list li { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; font-size: 1rem; }
.feature-list i { color: var(--secondary-color); font-size: 1.2rem; margin-top: 4px; }
.cta-button-secondary {
    background: transparent;
    color: var(--primary-color);
    padding: 14px 30px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}
.dark-mode .cta-button-secondary { color: var(--accent-color); border-color: var(--accent-color); }
.cta-button-secondary:hover { background: var(--primary-color); color: #fff; }
.dark-mode .cta-button-secondary:hover { background: var(--accent-color); color: var(--dark-bg); }

/* --- SECTORS SECTION --- */
.sectors-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}
.sector-item {
    background: var(--light-card);
    padding: 1.5rem 2rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.dark-mode .sector-item { background: var(--dark-card); }
.sector-item:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-5px);
}
.sector-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    transition: var(--transition);
}
.sector-item:hover i {
    color: var(--accent-color);
}

/* --- CONTACT SECTION --- */
.contact-section {
    display: flex;
    gap: 3rem;
    background: var(--light-card);
    padding: 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.dark-mode .contact-section { background: var(--dark-card); }
.contact-content { flex: 1; padding: 3rem; }
.contact-content .section-title { text-align: left; }
.contact-info { margin-top: 2rem; }
.contact-info p { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; font-size: 1rem; }
.contact-info i { color: var(--primary-color); font-size: 1.2rem; width: 25px; text-align: center; }
.dark-mode .contact-info i { color: var(--accent-color); }
.map-container { flex: 1.2; min-height: 450px; }

/* --- FOOTER --- */
footer {
    background: #150726;
    color: #aaa;
    padding: 2.5rem 2rem;
    text-align: center;
}
.footer-container { max-width: 1200px; margin: 0 auto; }
.social-links { margin-top: 1rem; }
.social-links a {
    color: #aaa;
    margin: 0 0.8rem;
    font-size: 1.5rem;
    transition: var(--transition);
}
.social-links a:hover { color: #fff; }

/* --- WHATSAPP FLOAT BUTTON --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}
.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.1);
    background-color: #128C7E;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
    .hero-section, .about-section { flex-direction: column; text-align: center; }
    .hero-content h1 { font-size: 2.8rem; }
    .about-content .section-title { text-align: center; }
    .contact-section { flex-direction: column; }
    .map-container { min-height: 300px; width: 100%; }
}

@media (max-width: 768px) {
    body { padding-top: 70px; }
    .sticky-header { height: 70px; }
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--light-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transition: var(--transition);
    }
    .dark-mode .nav-links { background: var(--dark-bg); }
    .nav-links.active { left: 0; }
    .menu-btn {
        display: block;
        background: none;
        border: none;
        color: var(--light-text);
        font-size: 1.5rem;
        cursor: pointer;
    }
    .dark-mode .menu-btn { color: var(--dark-text); }
    main { padding: 3rem 1rem; }
    .hero-content h1 { font-size: 2.5rem; }
    .section-title { font-size: 2.2rem; }
    .whatsapp-float { width: 50px; height: 50px; bottom: 20px; right: 20px; font-size: 24px; }
    .contact-content { padding: 2rem; }
}