/*
 * Critical CSS - Above the fold styles
 * Mostra de Ballet - Natal dos Sentimentos
 * Maria Cacko Ballet Infantil
 */

/* CSS Variables - Critical */
:root {
    /* Colors */
    --color-primary: #B80000;
    --color-secondary: #F2C555;
    --color-accent: #0C3B2E;
    --color-white: #FFFFFF;
    --color-dark: #1a1a1a;
    --color-gray: #666666;
    --color-gray-light: #f5f5f5;
    
    /* Typography */
    --font-heading: 'Julius Sans One', Arial, sans-serif;
    --font-decorative: 'Pinyon Script', cursive;
    --font-body: 'Poppins', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    --line-height-relaxed: 1.7;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset - Critical */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-smooth: always;
}

/* Skip Link - Critical for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    z-index: 10000;
    font-weight: 600;
    transition: var(--transition-fast);
}

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Header - Critical Above the Fold */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(242, 197, 85, 0.2);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    min-height: 70px;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
}

/* Navigation - Critical */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.nav-toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-dark);
    font-weight: 500;
    transition: var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-primary);
    background: rgba(242, 197, 85, 0.1);
}

/* Hero Section - Critical Above the Fold */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, 
        rgba(242, 197, 85, 0.1) 0%, 
        rgba(255, 255, 255, 0.95) 50%, 
        rgba(184, 0, 0, 0.05) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
    padding: var(--spacing-2xl) 0;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mascot-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mascot {
    width: 100%;
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

.hero-text {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(242, 197, 85, 0.2);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(242, 197, 85, 0.3);
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-title-small {
    display: block;
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.hero-title-main {
    display: block;
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1.1;
}

.hero-subtitle {
    font-family: var(--font-decorative);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xl);
    line-height: 1.4;
}

/* Hero Info - Critical */
.hero-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(242, 197, 85, 0.2);
}

.info-icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.info-content {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.85rem;
    color: var(--color-gray);
    font-weight: 500;
}

.info-value {
    font-weight: 600;
    color: var(--color-dark);
}

/* Button - Critical */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #d40000 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* Hero CTA - Critical */
.hero-cta {
    text-align: left;
}

.cta-note {
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* Focus Styles - Critical for Accessibility */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}

/* Mobile Styles - Critical */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: var(--spacing-2xl) var(--spacing-lg);
        gap: var(--spacing-md);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-list.active {
        right: 0;
    }
    
    .nav-link {
        padding: var(--spacing-md);
        text-align: center;
        border-radius: var(--border-radius-md);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title-main {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title-main {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
}

/* Loading States - Critical */
.lazy-loading {
    opacity: 0.5;
    filter: blur(2px);
    transition: all var(--transition-base);
}

.lazy-loaded {
    opacity: 1;
    filter: blur(0);
}

/* Reduced Motion Support - Critical for Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}