/* ESTILO B&D INGENIERÍA - VERSIÓN FINAL UNIFICADA */

:root {
    --bg-dark: #050a18;
    --accent-blue: #00c6ff;
    --text-light: #e0e6ed;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1250px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 100px 0; }
.section-title { text-align: center; font-size: 2.8rem; margin-bottom: 50px; color: #fff; font-weight: 800; }
.section-subtitle { text-align: center; margin-top: -30px; margin-bottom: 50px; opacity: 0.7; }

/* --- HEADER --- */
.sticky-header {
    background: rgba(5, 10, 24, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 20px 0;
    position: fixed;
    top: 0; width: 100%; z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 800; color: white; letter-spacing: 2px; }
.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a { text-decoration: none; color: var(--text-light); transition: var(--transition-smooth); }
.nav-links a:hover { color: var(--accent-blue); }

/* --- HERO --- */
.hero {
    height: 100vh;
    display: flex; align-items: center; justify-content: center; text-align: center;
    background: linear-gradient(rgba(5, 10, 24, 0.7), rgba(5, 10, 24, 0.7)), 
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?q=80&w=2072&auto=format&fit=crop') no-repeat center center/cover;
}
.hero-content h1 { font-size: 4.5rem; font-weight: 800; margin-bottom: 20px; }
.hero-content p { max-width: 600px; margin: 0 auto 40px; }

.hero-action {
    margin-top: 50px; 
}

/* --- TARJETAS GLASS (Base Común) --- */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 35px 20px;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* --- SECCIÓN SOLUCIONES (Específico con Clic y Flecha) --- */
#servicios .servicios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); 
    gap: 20px;
    align-items: start;
}

#servicios .glass-card {
    cursor: pointer;
    height: 250px; /* Altura inicial fija para simetría */
}

/* La flecha solo aparece en la sección de servicios */
#servicios .glass-card::after {
    content: '▾';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--accent-blue);
    font-size: 1.2rem;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

#servicios .glass-card p { 
    font-size: 0.9rem; 
    opacity: 0; 
    transform: translateY(15px);
    transition: var(--transition-smooth);
    margin-top: 15px;
}

/* Estado activo solo para servicios */
#servicios .glass-card.active {
    height: auto;
    min-height: 360px;
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent-blue);
    box-shadow: 0 15px 35px rgba(0, 198, 255, 0.2);
}

#servicios .glass-card.active p {
    opacity: 1;
    transform: translateY(0);
}

#servicios .glass-card.active::after {
    transform: translateX(-50%) rotate(180deg);
    opacity: 1;
}

/* --- SECCIÓN EQUIPO (Sin flecha ni expansión) --- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-content: center;
}

/* Efecto para los recuadros del equipo */
#nosotros .glass-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1); /* Borde inicial sutil */
}

#nosotros .glass-card:hover {
    transform: translateY(-5px); /* Se eleva un poquito */
    border-color: var(--accent-blue); /* El borde se pinta del azul que definiste */
    box-shadow: 0 10px 25px rgba(0, 170, 255, 0.2); /* Sombra con brillo azul */
    background: rgba(255, 255, 255, 0.15); /* Se aclara un poco el fondo */
}

.member-photo {
    width: 130px; height: 130px; border-radius: 50%;
    margin: 0 auto 20px; overflow: hidden;
    border: 3px solid var(--accent-blue);
}
.member-photo img { width: 100%; height: 100%; object-fit: cover; }
.member-role { color: var(--accent-blue); font-weight: 700; display: block; margin-bottom: 10px; }

.service-media { font-size: 2.3rem; margin-bottom: 15px; display: block; }
.glass-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: #fff; }

/* --- CARRUSEL --- */
.carousel-master-container {
    max-width: 1150px; margin: 40px auto; padding: 60px 80px; position: relative;
    background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 40px;
    transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}
.carousel-master-container:hover {
    /* Efecto al pasar el mouse por encima */
    background: rgba(255, 255, 255, 0.06) !important; /* Se aclara sutilmente el fondo oscuro */
    border-color: rgba(0, 170, 255, 0.3) !important; /* El borde se pinta ligeramente del azul acento */
    box-shadow: 0 10px 40px rgba(0, 170, 255, 0.15) !important; /* Una sombra celeste difusa para darle profundidad */
}
.carousel-viewport { overflow: hidden; border-radius: 20px; }
.carousel-track { display: flex; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1); gap: 25px; }
.carousel-card { flex: 0 0 calc(33.333% - 17px); transition: transform 0.3s ease, filter 0.3s ease;}
.carousel-card:hover {transform: translateY(-5px); /* Elevación sutil */}
.carousel-card:hover .card-white-bg {
    box-shadow: 0 8px 20px rgba(0, 198, 255, 0.3); /* Sombra azulada sobre el fondo blanco */
    border: 1px solid var(--accent-blue); /* Opcional: un borde fino al pasar el mouse */
}
.card-white-bg { 
    background: #fff; height: 160px; border-radius: 20px; display: flex; 
    align-items: center; justify-content: center; padding: 20px;
}
.card-white-bg img { max-width: 90%; max-height: 90%; object-fit: contain; }

.carousel-btn {
    transition: all 0.3s ease; /* Suaviza el cambio */
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(0, 198, 255, 0.2); border: 1px solid var(--accent-blue); 
    color: #fff; width: 45px; height: 45px; border-radius: 50%; cursor: pointer; z-index: 10;
}
.carousel-btn:hover {
    background: var(--accent-blue); /* Se llena de color */
    box-shadow: 0 0 15px var(--accent-blue); /* Brillo exterior */
    transform: translateY(-50%) scale(1.1); /* Mantiene el centrado y se agranda un poco */
}

.carousel-btn:active {
    transform: translateY(-50%) scale(0.95); /* Efecto de pulsación al hacer clic */
}
.prev { left: 15px; }
.next { right: 15px; }

/* --- CONTACTO --- */
.contact-form-container { max-width: 800px; margin: 0 auto; padding: 50px; transition: var(--transition-smooth);
    border: 1px solid transparent;
    border-radius: 20px;}
.form-group { text-align: left; margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-size: 0.9rem; opacity: 0.8; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form-container:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(0, 198, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
input, textarea {
    width: 100%; padding: 14px; background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1); color: #fff; border-radius: 12px; transition: var(--transition-smooth);
}
input:focus, textarea:focus { outline: none; border-color: var(--accent-blue); background: rgba(255,255,255,0.1); }
/* Efecto al pasar el mouse por los campos antes de hacer clic */
input:hover, textarea:hover {
    border-color: rgba(0, 198, 255, 0.4); /* Un celeste suave */
    background: rgba(255, 255, 255, 0.08);
}
.btn-modern {
    display: inline-block; padding: 16px 40px; border: 2px solid var(--accent-blue);
    color: var(--accent-blue); text-decoration: none; border-radius: 50px;
    font-weight: 700; transition: var(--transition-smooth); background: transparent; 
    cursor: pointer; text-transform: uppercase; letter-spacing: 1px;
}

.btn-modern:hover { 
    background: var(--accent-blue) !important; 
    color: #050a18 !important; 
    box-shadow: 0 0 25px rgba(0, 198, 255, 0.5);
    transform: scale(1.05);
}

.btn-full { width: 100%; margin-top: 10px; }

.footer { text-align: center; padding: 60px 0; opacity: 0.5; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    #servicios .servicios-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 850px) {
    #servicios .servicios-grid { grid-template-columns: 1fr; }
    .carousel-card { flex: 0 0 100%; }
    .form-row { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 3rem; }
    #servicios .glass-card { height: auto; min-height: 220px; }
}
/* Al final de tu archivo style.css */
.linkedin-link {
    color: #00aaff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.linkedin-link:hover {
    color: #00d4ff;
    text-decoration: underline;
}
/* --- SECCIÓN CONTACTOS DIRECTOS --- */
#contactos-directos {
    text-align: center;
    padding-bottom: 40px;
}

.contactos-grid {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 20px;
}

.contacto-item h4 {
    color: var(--accent-blue);
    font-size: 1.1rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contacto-item p {
    font-size: 1.2rem;
    color: #fff;
    transition: var(--transition-smooth);
}

/* Efecto para que el teléfono resalte al pasar el mouse */
.contacto-item:hover p {
    color: var(--accent-blue);
    transform: scale(1.05);
    text-shadow: 0 0 10px rgba(0, 198, 255, 0.3);
}

/* Ajuste para celulares */
@media (max-width: 768px) {
    .contactos-grid {
        flex-direction: column;
        gap: 30px;
    }
}