/* Base CSS - Non-critical styles loaded asynchronously */

/* CSS Variables - Extended set */
:root {
    --primary-color: #ff6b35;
    --primary-hover: #e55a2b;
    --primary-light: #ff8a5c;
    --primary-dark: #cc5529;
    --secondary-color: #f7931e;
    --secondary-hover: #e0841a;
    --secondary-light: #f9a847;
    --secondary-dark: #c67516;
    --white: #ffffff;
    --black: #000000;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-muted: #b0b0b0;
    --success: #28a745;
    --success-hover: #218838;
    --warning: #ffc107;
    --error: #dc3545;
    --info: #17a2b8;
    --whatsapp: #25d366;
    --whatsapp-hover: #1da851;
    
    /* Spacing System */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 50px;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 15px 40px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Base Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Base Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition-fast);
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

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

.btn-whatsapp:hover {
    background: var(--whatsapp-hover);
}

/* Base Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-fast);
}

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

.card-body {
    padding: var(--spacing-xl);
}

/* Base Forms */
.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--text-muted);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-dark);
}

/* Base Accessibility */
:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm);
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 10001;
}

.skip-link:focus {
    top: 6px;
}

/* Base Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .card-body {
        padding: var(--spacing-lg);
    }
}