/* ============================================================================
   ESTILOS WEB PÚBLICA - ANSWER COLOMBIA
   ============================================================================ */

:root {
    --public-primary: #0f172a;
    --public-accent: #0284c7;
    --public-accent-hover: #0369a1;
    --public-text: #1e293b;
    --public-text-light: #64748b;
    --public-bg: #ffffff;
    --public-bg-alt: #f8fafc;
    --public-border: #e2e8f0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--public-text);
    background: var(--public-bg);
    line-height: 1.6;
}

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

/* HEADER */
.public-header {
    background: var(--public-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.header-logo img {
    max-height: 50px;
}

.header-logo-fallback {
    display: none;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--public-primary);
}

.header-logo-fallback i {
    color: var(--public-accent);
    font-size: 1.8rem;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.header-nav a {
    color: var(--public-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--public-accent);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--public-primary);
}

/* BOTONES */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--public-accent);
    color: white;
}

.btn-primary:hover {
    background: var(--public-accent-hover);
    color: white;
    transform: translateY(-1px);
}

.btn-accent {
    background: #f59e0b;
    color: white;
}

.btn-accent:hover {
    background: #d97706;
    color: white;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

/* CARRUSEL */
.hero-carousel {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(2, 132, 199, 0.7) 100%);
}

.carousel-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    color: white;
}

.carousel-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.carousel-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: background 0.2s;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(255,255,255,0.3);
}

.carousel-prev { left: 20px; }
.carousel-next { right: 20px; }

.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-dot.active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

/* SECCIONES */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--public-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    color: var(--public-primary);
    margin-bottom: 12px;
}

.section-header p {
    color: var(--public-text-light);
    font-size: 1.1rem;
}

/* SERVICIOS */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: white;
    border: 1px solid var(--public-border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: var(--public-accent);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(2, 132, 199, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--public-accent);
}

.service-card h3 {
    color: var(--public-primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.service-card p {
    color: var(--public-text-light);
    font-size: 0.95rem;
}

/* AEROPUERTOS */
.airports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.airport-card {
    background: white;
    border: 1px solid var(--public-border);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s;
}

.airport-card:hover {
    border-color: var(--public-accent);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.airport-iata {
    background: var(--public-primary);
    color: white;
    padding: 10px 14px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.airport-info h4 {
    color: var(--public-primary);
    font-size: 1rem;
    margin-bottom: 4px;
}

.airport-info p {
    color: var(--public-text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* BENEFICIOS */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.benefit-card {
    text-align: center;
    padding: 20px;
}

.benefit-card i {
    font-size: 3rem;
    color: var(--public-accent);
    margin-bottom: 16px;
}

.benefit-card h3 {
    color: var(--public-primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.benefit-card p {
    color: var(--public-text-light);
}

/* CONTACTO */
.section-contact {
    background: var(--public-primary);
    color: white;
}

.section-contact .section-header h2 {
    color: white;
}

.section-contact .section-header p {
    color: rgba(255,255,255,0.8);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.contact-card i {
    font-size: 2.5rem;
    color: #f59e0b;
    margin-bottom: 16px;
}

.contact-card h4 {
    color: white;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.contact-card a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s;
}

.contact-card a:hover {
    color: #f59e0b;
}

/* FOOTER */
.public-footer {
    background: #0a0f1c;
    color: rgba(255,255,255,0.7);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-brand img {
    max-height: 40px;
    margin-bottom: 12px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.95rem;
}

.footer-links h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #f59e0b;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        gap: 15px;
    }
    
    .header-nav.open {
        display: flex;
    }
    
    .hero-carousel {
        height: 500px;
    }
    
    .carousel-content h1 {
        font-size: 2rem;
    }
    
    .carousel-content p {
        font-size: 1rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-header h2 {
        font-size: 1.7rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}