/**
 * Quindío Travel Critical CSS
 * Estilos críticos para above-the-fold y Core Web Vitals optimización
 * Solo estilos esenciales para el renderizado inicial
 */

:root {
    --verde-cafe: #2E5A36;
    --verde-claro: #4E8755;
    --blanco: #FFFFFF;
    --amarillo-suave: #F4D35E;
    --marron-madera: #8D5B4C;
    --gris-claro: #F4F6F4;
    --texto-oscuro: #2C3E35;
    --naranja-brillante: #FF8C42;
    --azul-profundo: #4A90E2;
    --vip-gold: #D4AF37;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--gris-claro);
    color: var(--texto-oscuro);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header y Navegación Crítica */
header {
    background: linear-gradient(135deg, var(--verde-cafe), var(--verde-claro));
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blanco);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-menu a {
    color: var(--blanco);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--amarillo-suave);
}

/* Hero Section Crítica */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                url('https://quindiotravel.com.co/assets/images/paisajes/valle-cocora-hero-banner.jpg');
    background-size: cover;
    background-position: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--blanco);
    padding: 2rem;
}

.hero img.hero-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero > img.content-image {
    display: none !important;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.5rem);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Botones Críticos */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--naranja-brillante);
    color: var(--blanco);
}

.btn-primary:hover {
    background: var(--marron-madera);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--blanco);
    color: var(--verde-cafe);
}

.btn-secondary:hover {
    background: var(--gris-claro);
}

/* Botón WhatsApp */
.btn-whatsapp {
    background: #25D366;
    color: var(--blanco);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-whatsapp:hover {
    background: #128C7E;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Mobile Responsive Crítico */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Lazy Loading Images */
img[data-src] {
    opacity: 0;
    transition: opacity 0.3s;
}

img.loaded {
    opacity: 1;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--verde-cafe);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s;
}

#preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

.preloader-content {
    text-align: center;
    color: var(--blanco);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255,255,255,0.3);
    border-top: 5px solid var(--blanco);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}