/* Custom Variables */
:root {
    --primary-blue: #1d3056; 
    --dark-text: #111111;
    --light-bg: #F7F7F7;
    --white: #FFFFFF;
    --accent: #D9D9D9;
}

/* Global Styles */
body {
    font-family: 'Montserrat', sans-serif;
    color: var(--dark-text);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-weight: 700; }
p { font-weight: 400; line-height: 1.6; }

/* Utility Classes */
.tracking-wide { letter-spacing: 0.15em; }
.max-w-700 { max-width: 700px; margin: 0 auto; }
.py-section { padding-top: 6rem; padding-bottom: 6rem; }
.bg-light-custom { background-color: var(--light-bg); }
.bg-primary-custom { background-color: var(--primary-blue); }
.shadow-subtle { box-shadow: 0 10px 40px rgba(0,0,0,0.08); }

/* Logo de Imagen */
.navbar-logo {
    height: 45px; 
    width: auto;
    object-fit: contain;
}

/* Buttons */
.btn-primary-custom {
    background-color: var(--primary-blue);
    color: var(--white);
    border: 1px solid var(--white);
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    background-color: var(--white);
    color: var(--primary-blue);
}

.btn-outline-light {
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    padding: 1rem 2rem;
}

/* Formularios */
.form-control, .form-select {
    border: 1px solid #dee2e6;
    border-radius: 0;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: none;
}

/* Navbar */
.navbar { padding: 1.5rem 0; }
.transition-nav { transition: background-color 0.3s ease, padding 0.3s ease; }
.navbar.scrolled {
    background-color: var(--primary-blue);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.language-switcher { color: var(--white); font-size: 0.85rem; letter-spacing: 0.1em; }
.lang-btn { cursor: pointer; opacity: 0.5; transition: opacity 0.3s ease; }
.lang-btn.active, .lang-btn:hover { opacity: 1; font-weight: 700; }

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(17, 17, 17, 0.4), rgba(17, 17, 17, 0.8)), url('img/hero.jpg') center/cover no-repeat;
    height: 100vh;
    min-height: 700px;
    padding-top: 80px;
}
.tagline { font-size: 0.9rem; opacity: 0.9; }

/* Estilo Editorial para el Hero */
.hero-title {
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}
.hero-subtitle {
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.9);
}
.accent-line {
    width: 80px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}
.hero-bottom-text {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.15em;
}

/* Luxury Cards */
.luxury-card {
    border: 1px solid var(--accent);
    border-radius: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--white);
}
.luxury-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
}

/* Partner Logos: Efecto Gris a Color */
.partner-logo-img {
    height: 80px; 
    width: auto;
    object-fit: contain;
    filter: grayscale(100%) opacity(60%);
    -webkit-filter: grayscale(100%) opacity(60%);
    transition: all 0.4s ease; 
    cursor: pointer;
}
.partner-logo-img:hover {
    filter: grayscale(0%) opacity(100%);
    -webkit-filter: grayscale(0%) opacity(100%);
    transform: scale(1.08);
}

/* Animations */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Estilos Específicos de la Sección Runr */
.runr-hero-img {
    max-height: 550px;
    width: 100%;
    object-fit: cover;
    border: 1px solid var(--accent); 
}
#whatsappRunrBtn {
    background-color: var(--dark-text);
    color: var(--white);
    border: none;
    font-size: 0.85rem;
    padding: 1.2rem 2.5rem;
    transition: all 0.3s ease;
}
#whatsappRunrBtn:hover {
    background-color: #222222;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* =========================================
   AJUSTES MÓVILES (RESPONSIVE DESIGN)
   ========================================= */
@media (max-width: 768px) {
    .py-section { padding-top: 3.5rem; padding-bottom: 3.5rem; }
    
    .hero-title { font-size: 2.5rem !important; }
    .hero-subtitle { font-size: 1.1rem; }
    
    .brand-runr { font-size: 2rem !important; }
    #runr-crew h2 { font-size: 1.8rem; }
    .runr-hero-img { max-height: 350px; }
    
    .partner-logo-img { height: 50px; margin-bottom: 10px; }
    
    .luxury-card .card-body {
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
    
    /* Agrupa botones en celular */
    .hero-content .d-flex.gap-3, .hero-buttons-mobile {
        flex-direction: column;
        gap: 1rem !important;
    }
}