:root {
    /* Estética Teckel: Carbón, Siena Oscuro y Crema */
    --fondo-principal: #121212; 
    --fondo-secundario: #1c1a19; 
    --acento: #b85d19; 
    --texto-principal: #f7f3e8; 
    --texto-secundario: #c2b8a3; 
    --borde: #332d2a; 
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--fondo-principal);
    color: var(--texto-principal);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* =========================================
   NAVEGACIÓN
========================================= */
header {
    background: rgba(18, 18, 18, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--borde);
    backdrop-filter: blur(8px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo { font-size: 1.6rem; font-weight: 800; letter-spacing: 1.5px; color: var(--texto-principal); text-transform: uppercase; }
.logo span { color: var(--acento); }
.nav-links { list-style: none; display: flex; gap: 25px; margin: 0; padding: 0; align-items: center; }
.nav-links a { color: var(--texto-principal); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: all 0.3s ease-in-out; }
.nav-links a:not(.btn-nav):hover { color: var(--texto-principal); text-shadow: 0 0 12px rgba(184, 93, 25, 0.8); }

.btn-nav {
    background: var(--acento);
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.3s ease-in-out;
}
.btn-nav:hover { background: #9c4c11; color: var(--texto-principal) !important; box-shadow: 0 5px 15px rgba(184, 93, 25, 0.4); }

/* =========================================
   UTILIDADES
========================================= */
.section-padding { padding: 100px 0; }
h2 { text-align: center; font-size: 2.5rem; margin-bottom: 10px; letter-spacing: 1px; }
.subtitle { text-align: center; color: var(--texto-secundario); margin-bottom: 60px; font-size: 1.1rem; max-width: 800px; margin-left: auto; margin-right: auto;}

/* =========================================
   HERO
========================================= */
.hero {
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(rgba(18, 18, 18, 0.85), rgba(18, 18, 18, 0.95)), url('fondo-hero.png') center/cover;
}

.hero-content h1 { font-size: 3.5rem; margin-bottom: 20px; line-height: 1.2; max-width: 900px; margin-left: auto; margin-right: auto; }
.hero-content p { font-size: 1.2rem; margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto; color: var(--texto-secundario); }

#btn-cta {
    padding: 18px 40px;
    background: var(--acento);
    border: none;
    color: var(--texto-principal);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease-in-out;
    text-transform: uppercase;
    letter-spacing: 1px;
}
#btn-cta:hover { background: #9c4c11; transform: translateY(-3px); box-shadow: 0 5px 20px rgba(184, 93, 25, 0.4); }

/* =========================================
   CARRUSEL DE CLIENTES
========================================= */
.clients-carousel {
    background-color: #0a0a0a; padding: 30px 0; overflow: hidden; position: relative;
    border-top: 1px solid var(--borde); border-bottom: 1px solid var(--borde); white-space: nowrap;
}
.clients-carousel::before, .clients-carousel::after { content: ''; position: absolute; top: 0; width: 150px; height: 100%; z-index: 2; }
.clients-carousel::before { left: 0; background: linear-gradient(to right, #0a0a0a 0%, transparent 100%); }
.clients-carousel::after { right: 0; background: linear-gradient(to left, #0a0a0a 0%, transparent 100%); }

.carousel-track { display: inline-block; animation: scroll-left 25s linear infinite; }
.carousel-track:hover { animation-play-state: paused; }

.client-item { display: inline-flex; align-items: center; gap: 10px; margin: 0 40px; font-size: 1.5rem; font-weight: bold; color: var(--texto-secundario); text-transform: uppercase; letter-spacing: 2px; transition: color 0.3s; }
.client-item i { color: var(--acento); font-size: 1.8rem; }
.client-item:hover { color: var(--texto-principal); }

@keyframes scroll-left { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* =========================================
   CASOS DE ÉXITO 2.0 (MARCAS EXPANDIBLES)
========================================= */
.cases { background-color: var(--fondo-principal); }
.brands-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-top: 40px; }

.brand-card { background: var(--fondo-secundario); border: 1px solid var(--borde); border-radius: 12px; overflow: hidden; transition: all 0.5s ease; box-shadow: 0 5px 15px rgba(0,0,0,0.2); }

/* Aplicamos los efectos tanto en :hover (PC) como en .is-active (Toque en Móvil) */
.brand-card:hover, .brand-card.is-active { border-color: var(--acento); box-shadow: 0 10px 40px rgba(184, 93, 25, 0.15); }

/* cursor: pointer indica que se puede hacer clic/tocar */
.brand-header { background: linear-gradient(145deg, #181514, var(--fondo-secundario)); padding: 40px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid transparent; transition: all 0.5s ease; cursor: pointer; }
.brand-card:hover .brand-header, .brand-card.is-active .brand-header { border-bottom: 1px solid var(--borde); }

.brand-info h3 { font-size: 2.2rem; margin: 0 0 10px 0; color: var(--texto-principal); }
.brand-info p { color: var(--texto-secundario); margin: 0; font-size: 1.1rem; max-width: 600px; }
.case-tag { display: inline-block; background: var(--acento); color: white; padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: bold; text-transform: uppercase; }

.hover-indicator { color: var(--acento); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 2px; font-weight: bold; display: flex; align-items: center; gap: 10px; transition: opacity 0.3s; }
.brand-card:hover .hover-indicator, .brand-card.is-active .hover-indicator { opacity: 0; }

.brand-networks { max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.6s ease, padding 0.6s ease; background: var(--fondo-principal); display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.brand-card:hover .brand-networks, .brand-card.is-active .brand-networks { max-height: 1200px; opacity: 1; padding: 40px; }

.network-subcard { background: var(--fondo-secundario); border: 1px solid var(--borde); border-radius: 8px; padding: 25px; transition: transform 0.3s ease; }
.network-subcard:hover { transform: translateY(-5px); border-color: var(--acento); }
.network-subcard h4 { margin: 0 0 20px 0; font-size: 1.3rem; display: flex; align-items: center; gap: 10px; color: var(--texto-principal); }

.fa-tiktok { color: #ffffff; text-shadow: 2px 2px 0 #ff0050, -2px -2px 0 #00f2fe; }
.fa-youtube { color: #ff0000; }
.fa-instagram { color: #e1306c; }
.fa-linkedin, .fa-linkedin-in { color: #0077b5; }
.fa-globe { color: #4dabf7; }

.sub-metrics { display: flex; flex-direction: column; gap: 15px; }
.s-metric { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px dashed var(--borde); padding-bottom: 5px; }
.s-metric:last-child { border-bottom: none; }
.s-metric span:first-child { color: var(--texto-secundario); font-size: 0.9rem; }
.s-metric span:last-child { color: var(--acento); font-weight: bold; font-size: 1.1rem; }

/* =========================================
   SECCIONES GENERALES
========================================= */
.about { background-color: var(--fondo-secundario); }
.about-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 50px; align-items: center; }
.about-text p { font-size: 1.1rem; color: var(--texto-secundario); margin-bottom: 20px; }
.about-stats { display: flex; gap: 20px; }
.stat-box { background: var(--fondo-principal); padding: 30px; border-radius: 8px; border: 1px solid var(--borde); text-align: center; flex: 1; }
.stat-box h3 { font-size: 2.5rem; color: var(--acento); margin: 0 0 10px 0; }

.services { background-color: var(--fondo-principal); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--fondo-secundario); padding: 50px 30px; border-radius: 8px; border: 1px solid var(--borde); transition: all 0.4s ease; text-align: center; }
.card:hover { transform: translateY(-10px); border-color: var(--acento); box-shadow: 0 0 30px rgba(184, 93, 25, 0.15); }
.card-icon { font-size: 3rem; color: var(--acento); margin-bottom: 20px; }
.card h3 { font-size: 1.4rem; margin-bottom: 15px; }
.card p { color: var(--texto-secundario); }

.pricing { background-color: var(--fondo-secundario); }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; align-items: center; }
.pricing-card { background: var(--fondo-principal); border: 1px solid var(--borde); border-radius: 8px; padding: 40px 30px; text-align: center; position: relative; transition: all 0.4s ease; }
.pricing-card:hover { border-color: var(--acento); box-shadow: 0 0 30px rgba(184, 93, 25, 0.15); transform: translateY(-5px); }
.pricing-card.featured { border-color: var(--acento); transform: scale(1.05); background: linear-gradient(145deg, var(--fondo-principal), #1c140f); box-shadow: 0 10px 30px rgba(184, 93, 25, 0.2); z-index: 1; }
.pricing-card.featured:hover { transform: scale(1.05) translateY(-5px); box-shadow: 0 15px 45px rgba(184, 93, 25, 0.35); }
.badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--acento); color: var(--texto-principal); padding: 5px 15px; border-radius: 20px; font-size: 0.85rem; font-weight: bold; }
.pricing-card h3 { font-size: 1.5rem; margin-bottom: 10px; }
.price { color: var(--texto-secundario); font-size: 1.1rem; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--borde); }
.pricing-card ul { list-style: none; padding: 0; margin: 0 0 30px 0; text-align: left; }
.pricing-card ul li { margin-bottom: 15px; color: var(--texto-secundario); display: flex; align-items: center; gap: 10px; }
.pricing-card ul li i { color: var(--acento); }
.btn-outline { width: 100%; padding: 15px; background: transparent; border: 1px solid var(--texto-secundario); color: var(--texto-principal); border-radius: 4px; cursor: pointer; font-weight: bold; transition: all 0.3s ease; }
.btn-outline:hover { border-color: var(--acento); color: var(--acento); box-shadow: 0 0 15px rgba(184, 93, 25, 0.2); }

.contact { background-color: var(--fondo-principal); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; background: var(--fondo-secundario); padding: 50px; border-radius: 12px; border: 1px solid var(--borde); }
.contact-info h3 { font-size: 1.8rem; margin-bottom: 15px; }
.contact-info > p { color: var(--texto-secundario); margin-bottom: 40px; }
.info-item { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 30px; }
.info-item i { font-size: 1.5rem; color: var(--acento); margin-top: 5px; }
.info-item h4 { margin: 0 0 5px 0; font-size: 1.1rem; }
.info-item p { margin: 0; color: var(--texto-secundario); }
.form-container { display: flex; flex-direction: column; gap: 20px; }
.input-group { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-container input, .form-container textarea { width: 100%; padding: 16px; background: var(--fondo-principal); border: 1px solid var(--borde); color: var(--texto-principal); border-radius: 4px; font-family: inherit; font-size: 1rem; box-sizing: border-box; transition: border-color 0.3s; }
.form-container input:focus, .form-container textarea:focus { outline: none; border-color: var(--acento); }
.btn-submit { width: 100%; padding: 18px; background: var(--acento); color: var(--texto-principal); border: none; border-radius: 4px; font-size: 1.1rem; font-weight: bold; cursor: pointer; transition: all 0.3s ease; text-transform: uppercase; letter-spacing: 1px; }
.btn-submit:hover { background: #9c4c11; transform: translateY(-2px); box-shadow: 0 5px 20px rgba(184, 93, 25, 0.4); }

/* =========================================
   FOOTER
========================================= */
footer { background: #0a0a0a; padding: 60px 0 20px 0; border-top: 1px solid var(--borde); }
.footer-content { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.footer-brand p { color: var(--texto-secundario); margin-top: 10px; }
.social-links { display: flex; gap: 15px; }
.social-links a { display: flex; justify-content: center; align-items: center; width: 40px; height: 40px; background: var(--fondo-secundario); color: var(--texto-principal); border-radius: 50%; text-decoration: none; transition: all 0.3s; border: 1px solid var(--borde); }
.social-links a:hover { background: var(--acento); border-color: var(--acento); transform: translateY(-3px); box-shadow: 0 5px 15px rgba(184, 93, 25, 0.4); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--borde); color: var(--texto-secundario); font-size: 0.9rem; display: flex; justify-content: center; gap: 30px; }
.legal-links a { color: var(--texto-secundario); text-decoration: none; transition: color 0.3s; }
.legal-links a:hover { color: var(--acento); }

/* =========================================
   BOTONES FLOTANTES DE REDES (CORRECCIÓN MÓVIL)
========================================= */
.floating-socials { position: fixed; bottom: 30px; right: 30px; display: flex; flex-direction: column; gap: 15px; z-index: 999999; } 
.floating-btn { width: 55px; height: 55px; border-radius: 50%; display: flex; justify-content: center; align-items: center; color: white; font-size: 1.8rem; text-decoration: none; box-shadow: 0 4px 15px rgba(0,0,0,0.4); transition: all 0.3s ease; border: 1px solid rgba(255,255,255,0.1); }
.btn-whatsapp { background-color: #25D366; }
.btn-linkedin { background-color: #0077b5; }
.btn-instagram { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }

@media (hover: hover) {
    .floating-btn:hover { transform: scale(1.1) translateY(-5px); color: white; }
    .btn-whatsapp:hover { box-shadow: 0 0 20px rgba(37, 211, 102, 0.6); }
    .btn-linkedin:hover { box-shadow: 0 0 20px rgba(0, 119, 181, 0.6); }
    .btn-instagram:hover { box-shadow: 0 0 20px rgba(225, 48, 108, 0.6); }
}

/* =========================================
   ANIMACIONES DE ENTRADA (REVEAL)
========================================= */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* =========================================
   RESPONSIVE DESIGN
========================================= */
@media (max-width: 992px) {
    .about-grid, .contact-wrapper { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: scale(1); }
}
@media (max-width: 768px) {
    nav { flex-direction: column; gap: 15px; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    .hero-content h1 { font-size: 2.5rem; }
    .brand-header { flex-direction: column; text-align: center; gap: 20px; }
    .input-group { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; text-align: center; gap: 20px; }
    .footer-bottom { flex-direction: column; gap: 10px; }
    
    .floating-socials { bottom: 35px; right: 20px; z-index: 999999; }
    .floating-btn { width: 50px; height: 50px; font-size: 1.5rem; }
}