/* ===== VARIÁVEIS CSS MODERNAS ===== */
:root {
    /* Cores Principais */
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;
    
    /* Cores Neutras */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;
    
    /* Cores de Sucesso */
    --success-50: #f0fdf4;
    --success-500: #22c55e;
    --success-600: #16a34a;
    
    /* Cores de Aviso */
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    
    /* Cores de Erro */
    --error-50: #fef2f2;
    --error-500: #ef4444;
    --error-600: #dc2626;
    
    /* Sombras Modernas */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Bordas Arredondadas */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Espaçamentos */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Tipografia */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Poppins', system-ui, sans-serif;
    
    /* Z-index */
    --z-base: 1;
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal-backdrop: 40;
    --z-modal: 50;
    --z-popover: 60;
    --z-tooltip: 70;
}

/* ===== RESET E BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TIPOGRAFIA MODERNA ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
    margin-top: 0;
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--gray-700);
}

/* ===== COMPONENTES BASE ===== */

/* Containers */
.container-modern {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Cards Modernos */
.card-modern {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
}

.card-modern:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Botões Modernos */
.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    gap: var(--space-xs);
    white-space: nowrap;
}

.btn-modern:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
    border-color: var(--gray-300);
}

.btn-success {
    background-color: var(--success-500);
    color: white;
}

.btn-success:hover {
    background-color: var(--success-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Inputs Modernos */
.input-modern {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-900);
    background-color: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.input-modern:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.input-modern::placeholder {
    color: var(--gray-400);
}

/* Labels */
.label-modern {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-xs);
}

/* ===== UTILITÁRIOS ===== */

/* Animações */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slideInUp {
    animation: slideInUp var(--transition-slow) ease-out;
}

.animate-slideInDown {
    animation: slideInDown var(--transition-slow) ease-out;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

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

/* Responsividade */
@media (max-width: 768px) {
    :root {
        --space-xs: 0.375rem;
        --space-sm: 0.5rem;
        --space-md: 0.75rem;
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 3rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    
    .container-modern {
        padding: 0 var(--space-md);
    }
    
    .card-modern {
        padding: var(--space-lg);
        border-radius: var(--radius-lg);
    }
}

/* ===== COMPONENTES ESPECÍFICOS ===== */

/* Header Moderno */
.header-modern {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.header-modern.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

/* Property Cards */
.property-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
}

.property-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.property-card-image {
    position: relative;
    height: 240px;
    overflow: hidden;
    background-color: var(--gray-100);
}

.property-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.property-card:hover .property-card-image img {
    transform: scale(1.05);
}

.property-card-content {
    padding: var(--space-lg);
}

/* Feature Badges */
.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.feature-badge i {
    color: var(--primary-600);
}

/* Price Display */
.price-display {
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    text-align: center;
    border: 1px solid var(--primary-200);
}

.price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-700);
}

.price-period {
    font-size: 0.875rem;
    color: var(--gray-600);
}