/* 
    CALENDÁRIO DE JOGOS - Landing Page Styles
    ==========================================
    Design: Clean, moderno, mobile-first
    Cores: Verde esportivo + tons neutros escuros
    Performance: CSS puro, sem frameworks
*/

/* ==========================================================================
   CSS CUSTOM PROPERTIES (Variáveis)
   ========================================================================== */

:root {
    /* Cores principais */
    --color-primary: #22c55e;           /* Verde vibrante - remete a campo de futebol */
    --color-primary-dark: #16a34a;
    --color-primary-light: #4ade80;
    
    /* Cores de fundo */
    --color-bg-dark: #0c1117;           /* Fundo principal - quase preto com tom azulado */
    --color-bg-card: #151b23;           /* Cards e seções alternadas */
    --color-bg-elevated: #1c2430;       /* Elementos elevados */
    
    /* Cores de texto */
    --color-text-primary: #f0f6fc;      /* Texto principal */
    --color-text-secondary: #8b949e;    /* Texto secundário */
    --color-text-muted: #6e7681;        /* Texto discreto */
    
    /* Cores de borda e accent */
    --color-border: #30363d;
    --color-border-light: #21262d;
    --color-accent-yellow: #fbbf24;
    --color-accent-blue: #3b82f6;
    
    /* Tipografia */
    --font-heading: 'Outfit', system-ui, sans-serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    
    /* Tamanhos de fonte (fluid) */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.625rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 3rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 4rem);
    
    /* Espaçamentos */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Bordas e sombras */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(34, 197, 94, 0.15);
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;
}


/* ==========================================================================
   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-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-dark);
    
    /* Padrão sutil de fundo para adicionar textura */
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(34, 197, 94, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

button, input, select, textarea {
    font: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}


/* ==========================================================================
   ACESSIBILIDADE
   ========================================================================== */

/* Skip link para navegação por teclado */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-bg-dark);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* Focus visible para navegação por teclado */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}


/* ==========================================================================
   LAYOUT
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-16) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-24) 0;
    }
}


/* ==========================================================================
   HEADER
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(12, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-lg);
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

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

.logo-text {
    display: none;
}

@media (min-width: 480px) {
    .logo-text {
        display: block;
    }
}

.nav-list {
    display: flex;
    gap: var(--space-6);
}

.nav-list a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-list a:hover,
.nav-list a:focus {
    color: var(--color-text-primary);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav-list a:hover::after,
.nav-list a:focus::after {
    width: 100%;
}


/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    box-shadow: var(--shadow-md), 0 0 20px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(34, 197, 94, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-icon {
    font-size: 1.2em;
}


/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(64px + var(--space-12));
    padding-bottom: var(--space-12);
    background: 
        linear-gradient(180deg, var(--color-bg-dark) 0%, transparent 100%),
        radial-gradient(ellipse at 50% 0%, rgba(34, 197, 94, 0.08) 0%, transparent 60%);
}

.hero .container {
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 968px) {
    .hero .container {
        grid-template-columns: 1.2fr 1fr;
        gap: var(--space-16);
    }
}

.hero-content {
    text-align: center;
}

@media (min-width: 968px) {
    .hero-content {
        text-align: left;
    }
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    
    /* Gradiente sutil no texto */
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 540px;
}

@media (min-width: 968px) {
    .hero-subtitle {
        margin-left: 0;
        margin-right: auto;
    }
}

.hero-subtitle strong {
    color: var(--color-text-primary);
}

.hero-note {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Visual do calendário no hero */
.hero-visual {
    display: flex;
    justify-content: center;
}

.calendar-preview {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    width: 100%;
    max-width: 320px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    
    /* Animação sutil de entrada */
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.calendar-header {
    text-align: center;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
}

.calendar-month {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-lg);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-1);
    text-align: center;
}

.calendar-day {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    padding: var(--space-2);
    font-weight: 500;
}

.calendar-date {
    font-size: var(--text-sm);
    padding: var(--space-2);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.calendar-date.game-day {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    font-weight: 600;
    position: relative;
}

.calendar-date.game-day::after {
    content: '⚽';
    position: absolute;
    bottom: -6px;
    right: -6px;
    font-size: 10px;
}


/* ==========================================================================
   STEPS SECTION (Como funciona)
   ========================================================================== */

.section-steps {
    background: var(--color-bg-card);
}

.section-steps h2,
.section-benefits h2,
.section-seo-content h2,
.section-faq h2,
.section-cta h2 {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-4);
}

.section-intro {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

.steps-list {
    display: grid;
    gap: var(--space-6);
    counter-reset: steps;
}

@media (min-width: 768px) {
    .steps-list {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-xl);
    border-radius: 50%;
    margin-bottom: var(--space-5);
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.step-content p {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
}

.step-icon {
    font-size: 2rem;
    margin-top: var(--space-5);
    opacity: 0.6;
}


/* ==========================================================================
   BENEFITS SECTION
   ========================================================================== */

.section-benefits {
    background: var(--color-bg-dark);
}

.benefits-grid {
    display: grid;
    gap: var(--space-6);
    margin-top: var(--space-12);
}

@media (min-width: 640px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 968px) {
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.benefit-card {
    padding: var(--space-6);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: border-color var(--transition-base);
}

.benefit-card:hover {
    border-color: var(--color-primary);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.benefit-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

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


/* ==========================================================================
   SEO CONTENT SECTION
   ========================================================================== */

.section-seo-content {
    background: var(--color-bg-card);
}

.content-block {
    margin-bottom: var(--space-10);
}

.content-block:last-child {
    margin-bottom: 0;
}

.content-block h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    margin-top: var(--space-8);
    color: var(--color-primary-light);
}

.content-block p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.8;
}

.content-block strong {
    color: var(--color-text-primary);
}

.content-list {
    margin: var(--space-4) 0;
    padding-left: var(--space-6);
}

.content-list li {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    position: relative;
    padding-left: var(--space-4);
}

.content-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}


/* ==========================================================================
   FAQ SECTION
   ========================================================================== */

.section-faq {
    background: var(--color-bg-dark);
}

.faq-list {
    margin-top: var(--space-10);
}

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

.faq-question button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

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

.faq-icon {
    flex-shrink: 0;
    font-size: var(--text-xl);
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--space-6);
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}


/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.section-cta {
    background: 
        linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, transparent 50%),
        var(--color-bg-card);
    text-align: center;
    padding: var(--space-20) 0;
}

.section-cta h2 {
    margin-bottom: var(--space-4);
}

.section-cta p {
    color: var(--color-text-secondary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
}


/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background: var(--color-bg-dark);
    border-top: 1px solid var(--color-border);
    padding: var(--space-12) 0 var(--space-8);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 640px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 700;
}

.footer-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4) var(--space-6);
}

.footer-nav a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

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

/* Disclaimer - OBRIGATÓRIO */
.disclaimer {
    margin: var(--space-8) 0;
    padding: var(--space-5);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.disclaimer p {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    text-align: center;
    line-height: 1.6;
}

.disclaimer strong {
    color: var(--color-text-secondary);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}


/* ==========================================================================
   MODAL
   ========================================================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease-out;
}

.modal-overlay[hidden] {
    display: none;
}

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

.modal {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(34, 197, 94, 0.1);
    animation: slideUp 0.3s ease-out;
}

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

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
}

.modal-header {
    padding: var(--space-8) var(--space-6) var(--space-4);
    text-align: center;
}

.modal-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-md);
    color: var(--color-accent-yellow);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.modal-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
}

.modal-body {
    padding: var(--space-4) var(--space-6) var(--space-6);
}

.modal-body > p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

/* Modal Form */
.modal-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.label-optional {
    font-weight: 400;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-full {
    width: 100%;
}

.modal-privacy {
    padding: var(--space-4) var(--space-6) var(--space-6);
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Modal de Sucesso */
.modal-success {
    text-align: center;
}

.modal-success .modal-header {
    padding-bottom: var(--space-2);
}

.modal-success .modal-body {
    padding-top: var(--space-6);
}

.success-icon {
    display: block;
    font-size: 3rem;
    margin-bottom: var(--space-4);
    animation: successPop 0.4s ease-out;
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}


/* ==========================================================================
   ANIMAÇÕES E UTILITÁRIOS
   ========================================================================== */

/* Animação de fade-in para elementos ao carregar */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.6s ease-out;
}

.hero-visual {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* Reduz movimento para usuários que preferem */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Dark mode já é o padrão, mas podemos ajustar para light mode se necessário no futuro */