/* =========================================
   HOTELSBOOK - MAIN STYLESHEET
   ========================================= */

:root {
    /* Paleta de Cores Institucional */
    --color-navy: #0a1628;
    --color-navy-light: #1e3a8a;
    --color-blue: #3b82f6;
    --color-blue-dark: #2563eb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-600: #4b5563;
    --color-gray-900: #111827;
    
    /* Tipografia */
    --font-main: 'Inter', sans-serif;
    
    /* Sombras Suaves */
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transições */
    --transition-base: all 0.3s ease-in-out;
}

/* 1. Base & Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 2. Tipografia Global */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-navy);
}

p {
    margin-bottom: 1rem;
    color: var(--color-gray-600);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

/* 3. Componentes de UI */

/* Botões */
.btn-primary {
    display: inline-block;
    background-color: var(--color-navy);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    border: 2px solid var(--color-navy);
    transition: var(--transition-base);
    cursor: pointer;
}

.btn-primary:hover {
    background-color: var(--color-navy-light);
    border-color: var(--color-navy-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--color-navy);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    border: 2px solid var(--color-navy);
    transition: var(--transition-base);
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: var(--color-navy);
    color: white;
    transform: translateY(-2px);
}

/* Cards de Serviços (Estilo Brasil Junior/Onfly) */
.service-card {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-blue);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleY(1);
}

/* Formulários */
.form-input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-gray-200);
    border-radius: 0.5rem;
    transition: var(--transition-base);
    background-color: #fff;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 4. Utilitários de Imagem e Mídia */
/* Preparado para receber imagens da IA (16:9, 4:3, etc) */
.media-container {
    width: 100%;
    background-color: var(--color-gray-100);
    border-radius: 0.75rem;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-container img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.media-container:hover img {
    transform: scale(1.03);
}

/* Placeholder para quando a imagem da IA ainda não estiver pronta */
.image-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 200%;
    animation: shimmer 1.5s infinite linear;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    border-radius: 0.75rem;
}

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

/* 5. Navbar & Header */
.nav-link {
    font-weight: 500;
    color: var(--color-gray-600);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-navy);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-blue);
}

/* 6. Footer */
footer a:hover {
    color: var(--color-blue) !important;
}

/* 7. Responsividade Extra */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
}