/* ESTÉTICA AERO-GLASS - TRANSPORTE AÉREO DE VIAJEROS */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;500;700&family=Inter:wght@300;400;600&display=swap');

:root {
    --sky-dark: #0f172a;       /* Azul Estratosfera */
    --sky-blue: #38bdf8;       /* Azul Cielo Claro */
    --cloud: #f8fafc;          /* Blanco Nube */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background-color: var(--sky-dark); color: var(--cloud); overflow-x: hidden; }
h1, h2, h3 { font-family: 'Outfit', sans-serif; }

/* CÁPSULA DE NAVEGACIÓN FLOTANTE (AERO-PILL) */
.glass-nav {
    position: fixed;
    top: 30px; left: 50%;
    transform: translateX(-50%);
    width: 95%; max-width: 1200px;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--glass-border);
    border-radius: 50px;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.brand h1 { font-size: 1.5rem; font-weight: 700; color: var(--cloud); letter-spacing: 1px; }
.brand span { color: var(--sky-blue); }

.nav-links { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; color: #cbd5e1; font-weight: 500; font-size: 0.95rem; transition: var(--transition); border-radius: 20px; padding: 8px 16px; }
.nav-links a:hover, .nav-links a.active { color: var(--sky-dark); background: var(--sky-blue); }

.lang-selector { 
    background: transparent; border: none; color: var(--cloud); font-family: 'Outfit', sans-serif; 
    font-weight: 700; font-size: 1rem; cursor: pointer; outline: none; padding-left: 20px;
}
.lang-selector option { background: var(--sky-dark); color: var(--cloud); }

/* SECCIÓN HERO (CON VÍDEO OBLIGATORIO) */
.hero-aero {
    position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center;
}
.hero-video {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; opacity: 0.5; mix-blend-mode: luminosity;
}
.hero-gradient {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at center, transparent 0%, var(--sky-dark) 100%); z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 0 20px; }
.hero-content h2 { font-size: 4.5rem; line-height: 1.1; margin-bottom: 20px; font-weight: 300; }
.hero-content h2 strong { font-weight: 700; color: var(--sky-blue); }
.hero-content p { font-size: 1.2rem; color: #cbd5e1; font-weight: 300; }

/* SECCIONES Y CRISTAL ESCARCHADO */
.section-pad { padding: 120px 5% 60px; max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }
.section-title { font-size: 3rem; margin-bottom: 40px; font-weight: 300; text-align: center; }
.section-title strong { color: var(--sky-blue); font-weight: 700; }

.glass-panel {
    background: var(--glass-bg); backdrop-filter: blur(10px); border: var(--glass-border); border-radius: 24px; padding: 50px;
}
.text-block { font-size: 1.1rem; color: #cbd5e1; line-height: 1.8; margin-bottom: 20px; }

/* SERVICIOS (REGLA: SOLO TÍTULOS - TARJETAS AÉREAS FLOTANTES) */
.aero-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.aero-card { 
    position: relative; height: 300px; border-radius: 20px; overflow: hidden; border: var(--glass-border); cursor: pointer; transition: var(--transition);
}
.aero-card img { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; transition: var(--transition); }
.aero-card:hover { transform: translateY(-10px); border-color: var(--sky-blue); box-shadow: 0 20px 40px rgba(56, 189, 248, 0.15); }
.aero-card:hover img { opacity: 1; transform: scale(1.05); }
.aero-card h3 { 
    position: absolute; bottom: 0; left: 0; width: 100%; padding: 30px 20px 20px; margin: 0; 
    background: linear-gradient(to top, var(--sky-dark), transparent); font-size: 1.5rem; text-align: center; 
}

/* FOOTER Y REGLA KIT DIGITAL BLANCO */
footer { padding: 60px 5% 40px; text-align: center; border-top: var(--glass-border); margin-top: 80px; }
.footer-info { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px; margin-bottom: 40px; color: #94a3b8; }
.footer-links { display: flex; gap: 20px; justify-content: center; list-style: none; margin-bottom: 40px; }
.footer-links a { color: var(--sky-blue); text-decoration: none; font-size: 0.9rem; }
.logo-kit-local { display: block; margin: 0 auto 30px; max-width: 220px; background-color: #FFFFFF !important; padding: 15px; border-radius: 12px; }
.copyright { font-size: 0.85rem; color: #64748b; }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .glass-nav { flex-direction: column; padding: 15px 20px; border-radius: 20px; gap: 15px; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .hero-content h2 { font-size: 3rem; }
}