/**
 * ExploudTV - Estilos Principais
 *
 * CSS moderno com variáveis, flexbox e grid
 */

/* ============================================
   CSS Variables (Custom Properties)
   ============================================ */
:root {
    /* Cores Primárias */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-alpha: rgba(99, 102, 241, 0.1);

    /* Cores Secundárias */
    --secondary: #10b981;
    --secondary-dark: #059669;

    /* Cores de Estado */
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Tons de Cinza */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Backgrounds */
    --bg-dark: #0f0f23;
    --bg-darker: #0a0a1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    /* Texto */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    /* Bordas */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-hover: rgba(255, 255, 255, 0.2);

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-hero: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* 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;
    --radius-full: 9999px;

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    min-height: 100vh;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ============================================
   Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(15, 15, 35, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(15, 15, 35, 0.95);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    color: var(--text-primary);
}

.logo-highlight {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-cta {
    margin-left: var(--spacing-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-card);
    border-color: var(--border-color-hover);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        var(--gradient-hero);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    background: var(--primary-alpha);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* ============================================
   Advantages Section
   ============================================ */
.advantages {
    background: var(--bg-darker);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.advantage-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-alpha);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

.advantage-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.advantage-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ============================================
   Plans Section
   ============================================ */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    align-items: start;
}

.plan-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.plan-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
}

.plan-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-card) 100%);
    transform: scale(1.02);
}

.plan-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.plan-badge.featured-badge {
    background: var(--gradient-primary);
    color: white;
}

.plan-badge.promo-badge {
    background: var(--warning);
    color: var(--gray-900);
    top: auto;
    bottom: -12px;
}

.plan-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-md);
}

.plan-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.plan-description {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.plan-pricing {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.plan-original-price {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-decoration: line-through;
    margin-bottom: var(--spacing-xs);
}

.plan-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
}

.plan-price .currency {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-top: 8px;
}

.plan-price .amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1;
}

.plan-period {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.plan-features {
    margin-bottom: var(--spacing-xl);
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.plan-features li svg {
    flex-shrink: 0;
    color: var(--success);
}

.no-plans {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-muted);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    background: var(--bg-darker);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) 0;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    background: var(--gradient-primary);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

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

.cta .btn-primary:hover {
    background: var(--gray-100);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-darker);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
    margin-top: var(--spacing-md);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a,
.footer-contact a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a:hover {
    color: var(--text-primary);
}

/* ============================================
   WhatsApp Float Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: white;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(15, 15, 35, 0.98);
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-cta {
        margin-left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-stats {
        gap: var(--spacing-xl);
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .plan-card.featured {
        transform: none;
    }

    .plan-card.featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}