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

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    background-color: #FFFFFF;
    color: #2C3E50;
    line-height: 1.5;
    overflow-x: hidden;
    width: 100%;
}

:root {
    --azul-eifagas: #1F618D;
    --azul-oscuro: #1A5276;
    --naranja-eifagas: #E67E22;
    --naranja-oscuro: #D35400;
    --verde-whatsapp: #25D366;
    --verde-oscuro: #128C7E;
    --gris-claro: #F8F9FA;
    --gris-texto: #2C3E50;
    --gris-borde: #E5E7EB;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== HEADER Y MENÚ ========== */
.header {
    background: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    padding: 25px 0 15px 0;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.logo-img {
    height: 150px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.02);
}

.nav {
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.nav a {
    text-decoration: none;
    color: var(--gris-texto);
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s;
    padding: 8px 0;
    position: relative;
}

.nav a:hover, .nav a.active {
    color: var(--naranja-eifagas);
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--naranja-eifagas);
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--naranja-eifagas);
    transition: width 0.3s;
}

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

.btn-presupuesto-nav {
    background: var(--naranja-eifagas);
    color: white !important;
    padding: 8px 24px !important;
    border-radius: 40px;
    transition: all 0.3s;
}

.btn-presupuesto-nav:hover {
    background: var(--naranja-oscuro);
    transform: scale(1.02);
}

.btn-presupuesto-nav::after, .btn-presupuesto-nav.active::after {
    display: none;
}

.menu-toggle {
    display: none;
    font-size: 32px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--azul-eifagas);
}

@media (max-width: 768px) {
    .header {
        padding: 15px 0;
    }
    .logo-img {
        height: 110px;
    }
    .menu-toggle {
        display: block;
        position: absolute;
        top: 30px;
        right: 20px;
    }
    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 15px;
        padding: 20px 0 10px 0;
        background: white;
    }
    .nav.active {
        display: flex;
    }
    .header-container {
        position: relative;
        padding-top: 5px;
    }
}

/* ========== HERO (SOLO INDEX) ========== */
.hero {
    position: relative;
    background-image: url('../img/tecnico_eifagas.png');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 120px 0;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(31,97,141,0.85) 0%, rgba(26,82,118,0.9) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    background: rgba(255,255,255,0.15);
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero h1 span {
    color: var(--naranja-eifagas);
}

.hero-sub {
    font-size: 20px;
    opacity: 0.95;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
    .hero {
        padding: 80px 0;
    }
    .hero h1 {
        font-size: 32px;
    }
    .hero-sub {
        font-size: 16px;
    }
}

/* ========== SECCIONES COMUNES ========== */
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--azul-eifagas);
}

.section-sub {
    text-align: center;
    color: #6B7280;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== TARJETAS DE SERVICIOS (INDEX) ========== */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.servicio-card {
    background: white;
    border-radius: 16px;
    padding: 30px 24px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gris-borde);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.servicio-card:hover {
    background: var(--azul-eifagas);
    transform: translateY(-8px);
    box-shadow: 0 20px 30px -12px rgba(0,0,0,0.15);
}

.servicio-card:hover .servicio-icon {
    color: white;
}

.servicio-card:hover h3 {
    color: white;
}

.servicio-card:hover p {
    color: rgba(255,255,255,0.85);
}

.servicio-card:hover .btn-servicio {
    background: white;
    color: var(--azul-eifagas);
    border-color: white;
}

.servicio-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.servicio-icon.gas {
    color: var(--naranja-eifagas);
}

.servicio-icon.agua {
    color: var(--azul-eifagas);
}

.servicio-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--gris-texto);
    transition: color 0.3s;
}

.servicio-card p {
    color: #6B7280;
    margin-bottom: 20px;
    line-height: 1.5;
    transition: color 0.3s;
}

.btn-servicio {
    background: transparent;
    color: var(--naranja-eifagas);
    border: 1px solid var(--naranja-eifagas);
    padding: 8px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--naranja-eifagas);
    color: white;
    padding: 14px 32px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--naranja-oscuro);
    transform: scale(1.02);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 14px 32px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid white;
    transition: all 0.3s;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    transform: scale(1.02);
}

/* ========== GALERÍA ========== */
.galeria {
    padding: 60px 0;
    background: white;
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.galeria-img {
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.galeria-img img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s;
}

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

/* ========== POR QUÉ EIFAGAS ========== */
.porque {
    background: var(--gris-claro);
    padding: 80px 0;
}

.porque-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.porque-card {
    background: white;
    padding: 40px 24px;
    text-align: center;
    border-radius: 16px;
    transition: all 0.3s;
}

.porque-card:hover {
    background: var(--azul-eifagas);
    color: white;
    transform: translateY(-5px);
}

.porque-card i {
    font-size: 48px;
    color: var(--naranja-eifagas);
    margin-bottom: 20px;
}

.porque-card:hover i {
    color: white;
}

.porque-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

/* ========== PÁGINA DE SERVICIOS (DETALLE) ========== */
.page-header {
    background: linear-gradient(135deg, var(--azul-eifagas), var(--azul-oscuro));
    color: white;
    padding: 50px 0;
    text-align: center;
}

.breadcrumbs {
    font-size: 14px;
    margin-top: 10px;
    color: rgba(255,255,255,0.8);
}

.breadcrumbs a {
    color: white;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.servicio-detalle {
    padding: 70px 0;
    border-bottom: 1px solid var(--gris-borde);
}

.servicio-row {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.servicio-row.reverse {
    flex-direction: row-reverse;
}

.servicio-img {
    flex: 1;
    min-width: 250px;
}

.servicio-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.servicio-info {
    flex: 1;
}

.servicio-info h2 {
    font-size: 32px;
    color: var(--azul-eifagas);
    margin-bottom: 20px;
}

.servicio-info p {
    margin-bottom: 20px;
    color: #4a5568;
}

.servicio-info ul {
    list-style: none;
    margin-bottom: 30px;
}

.servicio-info ul li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.servicio-info ul li i {
    color: var(--naranja-eifagas);
    font-size: 18px;
}

@media (max-width: 768px) {
    .servicio-row, .servicio-row.reverse {
        flex-direction: column;
        text-align: center;
    }
    .servicio-info ul li {
        justify-content: center;
    }
}

/* ========== SOBRE NOSOTROS ========== */
.historia {
    padding: 70px 0;
}
.historia-grid {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
}
.historia-texto, .historia-img {
    flex: 1;
}
.historia-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.valores {
    background: var(--gris-claro);
    padding: 70px 0;
}
.valores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}
.valor-card {
    background: white;
    padding: 30px;
    text-align: center;
    border-radius: 20px;
    transition: all 0.3s;
}
.valor-card i {
    font-size: 48px;
    color: var(--naranja-eifagas);
    margin-bottom: 20px;
}
.valor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.equipo {
    padding: 70px 0;
}
.equipo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}
.miembro img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 4px solid var(--naranja-eifagas);
}
.certificaciones {
    background: var(--gris-claro);
    padding: 70px 0;
}
.cert-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}
.cert-item {
    background: white;
    padding: 15px 25px;
    border-radius: 40px;
    font-weight: 500;
}
.cert-item i {
    color: var(--naranja-eifagas);
    margin-right: 10px;
}

/* ========== CONTACTO ========== */
.contacto-principal {
    padding: 70px 0;
}
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.contacto-datos {
    background: var(--azul-eifagas);
    color: white;
    padding: 40px;
    border-radius: 24px;
}
.contacto-datos .info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}
.contacto-datos .info-item i {
    width: 30px;
    color: var(--naranja-eifagas);
    font-size: 22px;
}
.contacto-datos .info-item a, .contacto-datos .info-item div {
    color: white;
    text-decoration: none;
}
.mapa {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
}
.contacto-formulario {
    background: var(--gris-claro);
    padding: 40px;
    border-radius: 24px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gris-borde);
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
}
.btn-enviar {
    background: var(--naranja-eifagas);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s;
}
.btn-enviar:hover {
    background: var(--naranja-oscuro);
}
.form-status {
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
}
@media (max-width: 768px) {
    .contacto-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== BLOG ========== */
.blog-grid-section {
    padding: 70px 0;
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.blog-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}
.blog-card:hover {
    transform: translateY(-5px);
}
.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.blog-content {
    padding: 20px;
}
.blog-fecha {
    font-size: 13px;
    color: var(--naranja-eifagas);
    font-weight: 600;
}
.blog-card h3 {
    margin: 10px 0;
    font-size: 20px;
}
.btn-blog {
    display: inline-block;
    margin-top: 15px;
    color: var(--naranja-eifagas);
    text-decoration: none;
    font-weight: 600;
}
.btn-blog:hover {
    text-decoration: underline;
}

/* ========== FOOTER ========== */
.footer {
    background: #1A252F;
    color: #9CA3AF;
    padding: 50px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 18px;
}
.footer-col a, .footer-col p {
    color: #9CA3AF;
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
}
.footer-col a:hover {
    color: var(--naranja-eifagas);
}
.footer-social {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}
.footer-social a {
    font-size: 24px;
}
.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    font-size: 13px;
}
.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2D3A45;
}

/* ========== BOTÓN FLOTANTE (VERDE) ========== */
.float-call {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--verde-whatsapp);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.3s;
    z-index: 999;
    text-decoration: none;
}
.float-call:hover {
    background: var(--verde-oscuro);
    transform: scale(1.1);
}
@media (max-width: 768px) {
    .float-call {
        width: 50px;
        height: 50px;
        font-size: 24px;
        bottom: 20px;
        right: 20px;
    }
}

/* ========== ANIMACIONES ========== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== PÁGINAS LEGALES ========== */
.legal-page {
    padding: 60px 0;
    min-height: 60vh;
}
.legal-page h1 {
    color: var(--azul-eifagas);
    margin-bottom: 30px;
}
.legal-page h2 {
    margin: 30px 0 15px;
    color: var(--azul-eifagas);
    font-size: 24px;
}
.legal-page p, .legal-page ul {
    margin-bottom: 20px;
    line-height: 1.6;
}