/* ==========================================================================
   EduSure - Página em Construção
   Versão: 1.0.0 - Produção
   ========================================================================== */

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

:root {
    /* Cores */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #8b5cf6;
    --accent-color: #10b981;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.25);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    /* Espaçamento */
    --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: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-background: -1;
    --z-base: 1;
    --z-content: 10;
    --z-header: 100;
    --z-overlay: 1000;
    --z-modal: 10000;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background: var(--gradient-bg);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Utilitários de Acessibilidade */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo img {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: var(--spacing-lg);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Construction Page */
.construction-page {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    overflow: hidden;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 10%;
    right: 30%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.3;
    }
}

/* Main Content */
.construction-content {
    position: relative;
    z-index: var(--z-content);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-3xl) 0;
    min-height: 100vh;
}

.logo-section {
    margin-bottom: var(--spacing-xl);
}

.logo {
    height: 100px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.main-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: 0 25px 50px var(--shadow-heavy);
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.construction-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Typography */
.main-title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    font-weight: 500;
    line-height: 1.5;
}

.main-content h2 {
    font-size: var(--font-size-xl);
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

.info-text {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--primary-color);
}

.info-text p {
    color: #475569;
    margin: 0;
    line-height: 1.6;
}

/* Progress Section */
.progress-section {
    margin: var(--spacing-xl) 0;
}

.progress-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 6px;
    width: 0%;
    transition: width 2s ease-out;
}

.progress-percentage {
    font-weight: 600;
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

/* Features Preview */
.features-preview {
    margin: var(--spacing-2xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    cursor: pointer;
}

.feature-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow-medium);
}

.feature-item i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    transition: color var(--transition-base);
}

.feature-item:hover i {
    color: white;
}

.feature-item span {
    font-weight: 500;
    font-size: var(--font-size-sm);
}

/* Contact Section */
.contact-section {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-light), #e2e8f0);
    border-radius: var(--radius-xl);
}

.contact-section p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 20px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-base);
    min-width: 120px;
    justify-content: center;
}

.contact-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

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

/* Notification Signup */
.notification-signup {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.notification-signup h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.input-group {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto;
}

.input-group input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: box-shadow var(--transition-base);
}

.input-group input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.notify-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    white-space: nowrap;
    min-width: 140px;
    justify-content: center;
}

.notify-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.notify-btn:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

.notify-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Footer */
.construction-footer {
    position: relative;
    z-index: var(--z-content);
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl) 0;
    color: white;
    margin-top: auto;
}

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

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.social-links a:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Message Container */
.message-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: var(--z-overlay);
    max-width: 400px;
}

.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 5px 15px var(--shadow-medium);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transform: translateX(100%);
    transition: all var(--transition-base);
}

.message.show {
    transform: translateX(0);
}

.message.success {
    background: var(--accent-color);
    color: white;
}

.message.error {
    background: #ef4444;
    color: white;
}

.message-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    margin-left: auto;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.message-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-btn {
        min-width: auto;
        width: 100%;
        max-width: 250px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .logo {
        height: 70px;
    }
    
    .message-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .construction-content {
        padding: var(--spacing-xl) 0;
    }
}

/* Performance e Acessibilidade */
@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;
    }
}

@media (prefers-color-scheme: dark) {
    /* Suporte futuro para modo escuro */
}

/* Print Styles */
@media print {
    .background-animation,
    .loading-screen,
    .construction-footer,
    .message-container {
        display: none !important;
    }
    
    .construction-page {
        background: white !important;
    }
    
    .main-content {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}