/* style.css - ADCE Grupo Empresarial */
/* Versión 2.3 - Limpio, responsive, sin duplicados */

/* ========== VARIABLES ========== */
:root {
    --color-grupo: #4dad0dce;
    --color-gris-claro: #c0b8b8;
    --color-gris-medio: #6e6969;
    --color-gris-oscuro: #333030;
    --color-blanco: #FFFFFF;
    --color-negro: #000000;
    --color-texto: #444444;
    --color-adce: #2E7D32;
    --color-rs: #F57C00;
    --color-rl: #1976D2;
    --color-virza: #C62828;
    --font-principal: 'Poppins', sans-serif;
    --font-secundaria: 'Montserrat', sans-serif;

    --mobile: 480px;
    --tablet: 768px;
    --desktop: 1024px;
    --wide: 1200px;
}

/* ========== RESET Y ESTILOS BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-principal);
    color: var(--color-texto);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
}

/* ========== TIPOGRAFÍA ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-secundaria);
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-grupo);
    margin: 0.8rem auto 0;
}

.hero h2::after {
    display: none;
}

@media (min-width: 768px) {
    h2::after {
        width: 80px;
        height: 4px;
    }
}

p {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    margin-bottom: 1rem;
}

/* ========== BOTONES ========== */
.btn {
    display: inline-block;
    padding: clamp(10px, 2vw, 12px) clamp(20px, 4vw, 30px);
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    font-size: clamp(0.9rem, 2vw, 1rem);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
    white-space: nowrap;
}

@media (max-width: 480px) {
    .btn {
        white-space: normal;
        width: 100%;
        max-width: 280px;
        padding: 12px 20px;
    }
}

.btn-primario {
    background: var(--color-grupo);
    background: transparent;
    color: var(--color-blanco);
    border: 2px solid var(--color-grupo);
    border: 2px solid rgba(255, 255, 255, 0.65);
}

.btn-primario:hover {
    background: #1a252f;
    border-color: #1a252f;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-secundario {
    background: transparent;
    color: var(--color-blanco);
    border: 2px solid rgba(255, 255, 255, 0.65);
}

.btn-secundario:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-blanco);
}

/* ========== BADGES ========== */
.badge-empresa {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-blanco);
}

@media (min-width: 768px) {
    .badge-empresa {
        padding: 5px 15px;
        font-size: 0.85rem;
    }
}

.badge-empresa-adce {
    background: var(--color-adce);
}

.badge-empresa-rs {
    background: var(--color-rs);
}

.badge-empresa-rl {
    background: var(--color-rl);
}

.badge-empresa-virza {
    background: var(--color-virza);
}

/* ========== SISTEMA DE GRID ========== */
.grid {
    display: grid;
    gap: clamp(20px, 3vw, 30px);
}

.grid-2,
.grid-3,
.grid-4 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========== HEADER ========== */
.header {
    background: var(--color-blanco);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

@media (min-width: 768px) {
    .header-container {
        height: 80px;
    }
}

.header-logo {
    display: flex;
    align-items: center;
}

.header-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.header-logo img {
    height: 40px;
    width: auto;
}

@media (min-width: 768px) {
    .header-logo img {
        height: 50px;
    }
}

.header-logo .logo-grupo {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-grupo);
    margin-left: 8px;
    border-left: 2px solid var(--color-gris-medio);
    padding-left: 8px;
}

@media (min-width: 768px) {
    .header-logo .logo-grupo {
        font-size: 1.2rem;
        margin-left: 10px;
        padding-left: 10px;
    }
}

/* Navegación desktop */
.header-nav {
    display: none;
}

@media (min-width: 769px) {
    .header-nav {
        display: flex;
        align-items: center;
    }
}

.header-nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
}

@media (min-width: 1024px) {
    .header-nav ul {
        gap: 15px;
    }
}

.header-nav ul li {
    position: relative;
}

.header-nav ul li a {
    text-decoration: none;
    color: var(--color-texto);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 12px;
    transition: color 0.3s;
    display: block;
}

@media (min-width: 1024px) {
    .header-nav ul li a {
        font-size: 1rem;
        padding: 8px 15px;
    }
}

.header-nav ul li a:hover,
.header-nav ul li a.active {
    color: var(--color-grupo);
}

.header-nav ul li a.active {
    font-weight: 600;
}

/* Dropdown */
.header-nav ul li .dropdown-content {
    display: none;
    position: absolute;
    background: var(--color-blanco);
    min-width: 240px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    padding: 8px 0;
    top: 100%;
    left: 0;
    z-index: 1001;
}

@media (min-width: 1024px) {
    .header-nav ul li .dropdown-content {
        min-width: 280px;
    }
}

.header-nav ul li:hover .dropdown-content {
    display: block;
}

.header-nav ul li .dropdown-content a {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    color: var(--color-texto);
    font-size: 0.85rem;
}

.header-nav ul li .dropdown-content a img {
    width: 25px;
    height: auto;
    margin-right: 10px;
}

.header-nav ul li .dropdown-content a:hover {
    background: var(--color-gris-claro);
}

.header-nav ul li .dropdown-content a.adce:hover {
    color: var(--color-adce);
}

.header-nav ul li .dropdown-content a.rs:hover {
    color: var(--color-rs);
}

.header-nav ul li .dropdown-content a.rl:hover {
    color: var(--color-rl);
}

.header-nav ul li .dropdown-content a.virza:hover {
    color: var(--color-virza);
}

/* Menú móvil */
.header-menu-btn {
    display: block;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
}

@media (min-width: 769px) {
    .header-menu-btn {
        display: none;
    }
}

/* Menú móvil activo */
.header-nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--color-blanco);
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}

.header-nav.active ul {
    flex-direction: column;
    width: 100%;
}

.header-nav.active ul li {
    margin: 5px 0;
}

.header-nav.active ul li a {
    padding: 12px 15px;
    border-radius: 5px;
}

.header-nav.active ul li a:hover {
    background: var(--color-gris-claro);
}

.header-nav.active ul li .dropdown-content {
    position: static;
    display: none;
    box-shadow: none;
    padding-left: 20px;
    min-width: auto;
}

.header-nav.active ul li .dropdown-content.active {
    display: block;
}

.header-nav.active ul li .dropdown-content a {
    padding: 10px 15px;
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    height: 430px;
    margin-top: 70px;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fdfdfd;
    background-color: #114e14;
    background-image: url('../images/hero/hero-bg-p.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    background-attachment: scroll;
}

@media (max-width: 767px) {
    .hero {
        background-image: url('../images/hero/hero-bg-m.png');
        height: 300px;
        margin-top: 70px;
        background-size: contain;
    }
}

@media (min-width: 768px) {
    .hero {
        background-image: url('../images/hero/hero-bg-p.png');
        height: 430px;
        margin-top: 80px;
        background-size: contain;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 820px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--color-blanco);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.35);
}

.hero p {
    font-size: clamp(1rem, 3vw, 1.3rem);
    margin-bottom: 2rem;
    opacity: 0.96;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.35);
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

@media (min-width: 480px) {
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
    }
}

.hero-buttons .btn {
    min-width: 200px;
}

/* ========== EMPRESAS HOME ========== */
.empresas-home {
    padding: 60px 0;
    background: var(--color-gris-claro);
}

@media (min-width: 768px) {
    .empresas-home {
        padding: 80px 0;
    }
}

.empresas-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 480px) {
    .empresas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .empresas-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
}

.empresa-card {
    background: var(--color-blanco);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.empresa-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.14);
}

@media (min-width: 1024px) {
    .empresa-card:hover {
        transform: translateY(-10px);
    }
}

.empresa-card-header {
    height: 130px;
    overflow: hidden;
    padding: 0;
    position: relative;
}

@media (min-width: 768px) {
    .empresa-card-header {
        height: 150px;
    }
}

.empresa-card-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s ease;
}

.empresa-card:hover .empresa-card-header img {
    transform: scale(1.05);
}

.empresa-card-header.adce {
    background: rgba(228, 224, 206, 0.753);
}

.empresa-card-header.rs {
    background: rgba(228, 224, 206, 0.753);
}

.empresa-card-header.rl {
    background: rgba(228, 224, 206, 0.753);
}

.empresa-card-header.virza {
    background: rgba(228, 224, 206, 0.753);
}

.empresa-card-body {
    padding: 16px 16px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .empresa-card-body {
        padding: 20px;
    }
}

.empresa-card-body h3 {
    margin-bottom: 10px;
    font-size: clamp(1rem, 3vw, 1.2rem);
    line-height: 1.25;
}

.empresa-card-body h3.adce {
    color: var(--color-adce);
}

.empresa-card-body h3.rs {
    color: var(--color-rs);
}

.empresa-card-body h3.rl {
    color: var(--color-rl);
}

.empresa-card-body h3.virza {
    color: var(--color-virza);
}

.empresa-card-body p {
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 18px;
    color: #666;
    flex: 1;
}

.btn-card {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    align-self: flex-start;
    transition: transform 0.2s ease;
}

.btn-card:hover {
    text-decoration: none;
    transform: translateX(3px);
}

.btn-card.adce {
    color: var(--color-adce);
}

.btn-card.rs {
    color: var(--color-rs);
}

.btn-card.rl {
    color: var(--color-rl);
}

.btn-card.virza {
    color: var(--color-virza);
}

/* ========== SERVICIOS DESTACADOS ========== */
.servicios-destacados {
    padding: 60px 0;
}

@media (min-width: 768px) {
    .servicios-destacados {
        padding: 80px 0;
    }
}

.servicios-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 480px) {
    .servicios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .servicios-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
}

.servicio-item {
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background: var(--color-blanco);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

@media (min-width: 768px) {
    .servicio-item {
        padding: 30px;
    }
}

.servicio-item:hover {
    transform: translateY(-5px);
}

.servicio-item .icono {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: var(--color-gris-claro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .servicio-item .icono {
        width: 80px;
        height: 80px;
        margin-bottom: 20px;
    }
}

.servicio-item .icono i {
    font-size: 1.5rem;
    color: var(--color-grupo);
}

@media (min-width: 768px) {
    .servicio-item .icono i {
        font-size: 2rem;
    }
}

.servicio-item h3 {
    font-size: clamp(1rem, 3vw, 1.2rem);
    margin-bottom: 8px;
}

.servicio-item p {
    font-size: 0.85rem;
    color: #666;
}

@media (min-width: 768px) {
    .servicio-item p {
        font-size: 0.9rem;
    }
}

/* ========== PROYECTOS RECIENTES ========== */
.proyectos-recientes {
    padding: 60px 0;
    background: var(--color-gris-claro);
}

@media (min-width: 768px) {
    .proyectos-recientes {
        padding: 80px 0;
    }
}

.proyectos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 480px) {
    .proyectos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .proyectos-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
}

.proyecto-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 200px;
    cursor: pointer;
}

@media (min-width: 768px) {
    .proyecto-card {
        height: 250px;
    }
}

.proyecto-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.proyecto-card:hover img {
    transform: scale(1.1);
}

.proyecto-card:hover .proyecto-overlay {
    opacity: 1;
}

.proyecto-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-blanco);
    opacity: 0;
    transition: opacity 0.3s;
    padding: 15px;
    text-align: center;
}

.proyecto-overlay h4 {
    margin-bottom: 5px;
    color: var(--color-blanco);
    font-size: clamp(1rem, 3vw, 1.2rem);
}

.proyecto-overlay p {
    font-size: 0.8rem;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .proyecto-overlay p {
        font-size: 0.9rem;
    }
}

.proyecto-overlay .empresa-badge {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.2);
    margin-top: 5px;
}

@media (min-width: 768px) {
    .proyecto-overlay .empresa-badge {
        font-size: 0.8rem;
        padding: 3px 10px;
    }
}

/* ========== CTA ========== */
.cta {
    padding: 50px 0;
    background: linear-gradient(135deg, var(--color-grupo), #1a252f);
    color: var(--color-blanco);
    text-align: center;
}

@media (min-width: 768px) {
    .cta {
        padding: 60px 0;
    }
}

.cta h2 {
    color: var(--color-blanco);
    margin-bottom: 1rem;
}

.cta h2::after {
    background: var(--color-blanco);
}

.cta p {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    margin-bottom: 30px;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

.cta .btn {
    background: var(--color-blanco);
    color: var(--color-grupo);
    min-width: 200px;
}

.cta .btn:hover {
    background: var(--color-gris-claro);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-gris-oscuro);
    color: var(--color-blanco);
    padding: 50px 0 20px;
}

@media (min-width: 768px) {
    .footer {
        padding: 60px 0 20px;
    }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

@media (min-width: 480px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
    }
}

.footer-col h3 {
    color: var(--color-blanco);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .footer-col h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }
}

.footer-col h3::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background: var(--color-grupo);
    margin-top: 8px;
}

@media (min-width: 768px) {
    .footer-col h3::after {
        width: 40px;
        margin-top: 10px;
    }
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .footer-col ul li {
        margin-bottom: 10px;
    }
}

.footer-col ul li a {
    color: #ebebeb;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
}

.footer-col ul li a:hover {
    color: var(--color-blanco);
}

.footer-col .contacto-info p {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    color: #ffffff;
    font-size: 0.9rem;
}

.footer-col .contacto-info p i {
    width: 20px;
    margin-right: 8px;
    color: var(--color-grupo);
    font-size: 1rem;
}

@media (min-width: 768px) {
    .footer-col .contacto-info p i {
        width: 25px;
        margin-right: 10px;
    }
}

.footer-empresas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

@media (min-width: 768px) {
    .footer-empresas {
        gap: 15px;
        margin-top: 20px;
    }
}

.footer-empresas a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.85rem;
}

@media (min-width: 768px) {
    .footer-empresas a {
        font-size: 0.9rem;
        gap: 10px;
    }
}

.footer-empresas a img {
    width: 20px;
    height: auto;
}

@media (min-width: 768px) {
    .footer-empresas a img {
        width: 25px;
    }
}

.footer-empresas a:hover {
    color: var(--color-blanco);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #999;
    font-size: 0.8rem;
}

@media (min-width: 768px) {
    .footer-bottom {
        font-size: 0.9rem;
    }
}

/* ========== PÁGINAS DE EMPRESA ========== */
.empresa-header {
    height: 300px;
    position: relative;
    margin-top: 70px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

@media (min-width: 768px) {
    .empresa-header {
        height: 400px;
        margin-top: 80px;
    }
}

.empresa-header.adce {
    background-image: url('../images/logos/adce.png');
    background-color: var(--color-adce);
}

.empresa-header.rs {
    background-image: url('../images/logos/logo_rs.png');
    background-color: var(--color-rs);
}

.empresa-header.rl {
    background-image: url('../images/logos/logo_rl.png');
    background-color: var(--color-rl);
}

.empresa-header.virza {
    background-image: url('../images/logos/logo_virza.png');
    background-color: var(--color-virza);
}

.empresa-header-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
}

.empresa-texto {
    position: relative;
    z-index: 2;
    color: var(--color-blanco);
    max-width: 900px;
    width: 100%;
    padding: 20px;
}

.empresa-texto h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    margin-bottom: 10px;
    color: var(--color-blanco);
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.45);
}

.empresa-texto .subtitulo {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--color-blanco);
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
}

/* ========== ESTADÍSTICAS ========== */
.empresa-stats {
    padding: 40px 0;
    background: var(--color-blanco);
}

@media (min-width: 768px) {
    .empresa-stats {
        padding: 60px 0;
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    text-align: center;
}

@media (min-width: 480px) {
    .stats-grid {
        gap: 30px;
    }
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item .numero {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-item .numero.adce {
    color: var(--color-adce);
}

.stat-item .numero.rs {
    color: var(--color-rs);
}

.stat-item .numero.rl {
    color: var(--color-rl);
}

.stat-item .numero.virza {
    color: var(--color-virza);
}

.stat-item .label {
    font-size: 0.75rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (min-width: 768px) {
    .stat-item .label {
        font-size: 0.85rem;
        letter-spacing: 1px;
    }
}

/* ========== SERVICIOS DE EMPRESA ========== */
.empresa-servicios {
    padding: 50px 0;
    background: var(--color-gris-claro);
}

@media (min-width: 768px) {
    .empresa-servicios {
        padding: 80px 0;
    }
}

.servicios-lista {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 480px) {
    .servicios-lista {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .servicios-lista {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

.servicio-card {
    background: var(--color-blanco);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    border-left: 4px solid transparent;
    height: 100%;
}

@media (min-width: 768px) {
    .servicio-card {
        padding: 25px;
    }
}

.servicio-card.adce {
    border-left-color: var(--color-adce);
}

.servicio-card.rs {
    border-left-color: var(--color-rs);
}

.servicio-card.rl {
    border-left-color: var(--color-rl);
}

.servicio-card.virza {
    border-left-color: var(--color-virza);
}

.servicio-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .servicio-card h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
}

.servicio-card h3.adce {
    color: var(--color-adce);
}

.servicio-card h3.rs {
    color: var(--color-rs);
}

.servicio-card h3.rl {
    color: var(--color-rl);
}

.servicio-card h3.virza {
    color: var(--color-virza);
}

.servicio-card p {
    font-size: 0.85rem;
    color: #666;
}

@media (min-width: 768px) {
    .servicio-card p {
        font-size: 0.95rem;
    }
}

/* ========== PROYECTOS DE EMPRESA ========== */
.empresa-proyectos {
    padding: 50px 0;
}

@media (min-width: 768px) {
    .empresa-proyectos {
        padding: 80px 0;
    }
}

.proyectos-mini-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 480px) {
    .proyectos-mini-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .proyectos-mini-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

.proyecto-mini {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    background: var(--color-blanco);
}

.proyecto-mini img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform 0.3s;
}

@media (min-width: 768px) {
    .proyecto-mini img {
        height: 200px;
    }
}

.proyecto-mini:hover img {
    transform: scale(1.05);
}

.proyecto-mini .info {
    padding: 12px;
}

@media (min-width: 768px) {
    .proyecto-mini .info {
        padding: 15px;
    }
}

.proyecto-mini .info h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

@media (min-width: 768px) {
    .proyecto-mini .info h4 {
        font-size: 1rem;
    }
}

.proyecto-mini .info .ubicacion {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 5px;
}

.proyecto-mini .info .ubicacion i {
    margin-right: 4px;
    font-size: 0.75rem;
}

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

.fade-in {
    animation: fadeIn 1s ease-out;
}

.servicio-item,
.empresa-card,
.proyecto-card,
.proyecto-mini {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ========== UTILIDADES ========== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mt-5 { margin-top: 50px; }

.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 50px; }

.p-2 { padding: 20px; }
.p-3 { padding: 30px; }
.p-4 { padding: 40px; }

/* ========== FILTROS ========== */
.filter-btn {
    padding: 6px 15px;
    margin: 3px;
    border: 2px solid var(--color-gris-medio);
    background: transparent;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.85rem;
}

@media (min-width: 768px) {
    .filter-btn {
        padding: 8px 20px;
        margin: 0 5px;
        font-size: 0.95rem;
    }
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-grupo);
    color: var(--color-blanco);
    border-color: var(--color-grupo);
}

/* ========== HEADER SCROLL ========== */
.header.scroll-down {
    transform: translateY(-100%);
}

.header.scroll-up {
    transform: translateY(0);
}

/* ========== PANTALLAS MUY PEQUEÑAS ========== */
@media (max-width: 360px) {
    html {
        font-size: 14px;
    }

    .header-logo img {
        height: 35px;
    }

    .header-logo .logo-grupo {
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .empresa-card-header {
        height: 110px;
    }

    .empresa-card-header img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}