/* ========================================
   EXPO PREVINA 2026 - SINAL AMARELO
   Stylesheet Principal
   ======================================== */

/* ----------------------------------------
   CSS Variables / Design Tokens
   ---------------------------------------- */
:root {
    /* Colors - Identidade Visual */
    --color-primary: #1B5E20;
    --color-primary-dark: #0D3D12;
    --color-primary-light: #2E7D32;
    --color-secondary: #FFC107;
    --color-secondary-dark: #FFA000;
    --color-secondary-light: #FFD54F;
    --color-accent: #F9A825;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-black: #1A1A1A;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #EEEEEE;
    --color-gray-300: #E0E0E0;
    --color-gray-400: #BDBDBD;
    --color-gray-500: #9E9E9E;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;
    
    /* Semantic */
    --color-success: #4CAF50;
    --color-error: #F44336;
    --color-warning: #FF9800;
    
    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
}

/* ----------------------------------------
   Container & Layout
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-4xl) 0;
}

/* ----------------------------------------
   Typography
   ---------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-body);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.125rem, 2vw, 1.25rem); }

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

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

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(27, 94, 32, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(27, 94, 32, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-gray-900);
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn small {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    text-transform: none;
    opacity: 0.9;
    margin-top: 2px;
}

/* ----------------------------------------
   Header
   ---------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 56px;
    width: auto;
    display: block;
}

.logo-img-footer {
    background: #fff;
    border-radius: 8px;
    padding: 6px 12px;
    height: 64px;
}

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

.nav a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

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

.btn-nav {
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
}

.nav a.btn-nav,
.nav a.btn-nav:hover {
    color: var(--color-white);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-800);
    transition: all var(--transition-fast);
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    transform: rotate(-12deg);
}

.traffic-light {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%) rotate(-5deg);
    width: 100px;
    height: 280px;
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 100%);
    border-radius: 15px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: var(--shadow-xl);
    opacity: 0.9;
}

.traffic-light .light {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #1a1a1a;
    position: relative;
}

.traffic-light .light.red {
    background: radial-gradient(circle at 30% 30%, #4a1a1a 0%, #2a0a0a 100%);
}

.traffic-light .light.yellow {
    background: radial-gradient(circle at 30% 30%, #5a4a1a 0%, #3a2a0a 100%);
}

.traffic-light .light.green {
    background: radial-gradient(circle at 30% 30%, #1a4a1a 0%, #0a2a0a 100%);
}

.traffic-light .light.active.yellow {
    background: radial-gradient(circle at 30% 30%, #FFE082 0%, #FFC107 50%, #FF9800 100%);
    box-shadow: 0 0 30px rgba(255, 193, 7, 0.8), inset 0 0 20px rgba(255, 255, 255, 0.3);
    animation: glow-yellow 2s ease-in-out infinite;
}

.traffic-light .light.active.green {
    background: radial-gradient(circle at 30% 30%, #81C784 0%, #4CAF50 50%, #2E7D32 100%);
    box-shadow: 0 0 30px rgba(76, 175, 80, 0.8), inset 0 0 20px rgba(255, 255, 255, 0.3);
    animation: glow-green 2s ease-in-out infinite 1s;
}

@keyframes glow-yellow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes glow-green {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    margin-bottom: var(--space-xl);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0;
    color: rgba(0, 0, 0, 0.65);
    font-size: 0.875rem;
    font-weight: 600;
    background: none;
    border: none;
    border-radius: 0;
}

.badge:not(:last-child) {
    padding-right: 1rem;
}

.badge:not(:last-child)::after {
    content: '|';
    margin-left: 1rem;
    opacity: 0.35;
    font-weight: 300;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    color: var(--color-primary-dark);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
}

.hero-info {
    display: flex;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.info-icon {
    font-size: 2rem;
}

.info-item div {
    display: flex;
    flex-direction: column;
}

.info-item strong {
    font-size: 1.125rem;
    color: var(--color-primary-dark);
}

.info-item span {
    font-size: 0.875rem;
    color: var(--color-primary);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-primary-dark);
    font-size: 0.75rem;
    opacity: 0.8;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(10px); opacity: 0.5; }
}

/* ----------------------------------------
   Stats Section
   ---------------------------------------- */
.stats {
    background: var(--color-primary);
    padding: var(--space-2xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    color: var(--color-white);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ----------------------------------------
   Section Headers
   ---------------------------------------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
    color: var(--color-gray-900);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
    letter-spacing: 1px;
    line-height: 1.1;
}

.section-intro {
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
    color: var(--color-gray-600);
    font-size: 1.0625rem;
}

/* ----------------------------------------
   About Section
   ---------------------------------------- */
.section-about {
    background: var(--color-gray-100);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-text .lead {
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.about-text p {
    margin-bottom: var(--space-md);
    color: var(--color-gray-700);
}

.about-highlight {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-secondary);
    margin-top: var(--space-xl);
}

.about-highlight h3 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.about-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.about-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: transform var(--transition-base);
}

.about-card:hover {
    transform: translateX(10px);
}

.card-number {
    position: absolute;
    top: -15px;
    left: 20px;
    width: 30px;
    height: 30px;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.about-card p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

/* ----------------------------------------
   Público Section
   ---------------------------------------- */
.publico-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.publico-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.publico-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.publico-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.publico-card h4 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.publico-card p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* ----------------------------------------
   Palestrantes Section
   ---------------------------------------- */
.section-palestrantes {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
}

.section-palestrantes .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.section-palestrantes .section-title {
    color: var(--color-white);
}

.section-palestrantes .section-title .highlight {
    color: var(--color-secondary);
}

.section-palestrantes .section-intro {
    color: rgba(255, 255, 255, 0.85);
}

.palestrantes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.palestrante-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.palestrante-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.palestrante-image {
    height: 200px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-avatar {
    font-size: 4rem;
    opacity: 0.5;
}

.palestrante-info {
    padding: var(--space-xl);
}

.palestrante-info h4 {
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.palestrante-role {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.palestrante-info p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ----------------------------------------
   Programação Section
   ---------------------------------------- */
.section-programacao {
    background: var(--color-gray-100);
}

.programacao-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.tab-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.tab-content {
    display: none;
    max-width: 700px;
    margin: 0 auto;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.timeline {
    position: relative;
    padding-left: 100px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding: var(--space-lg) 0;
    padding-left: var(--space-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--color-white);
    border: 4px solid var(--color-primary);
    border-radius: 50%;
}

.timeline-time {
    position: absolute;
    left: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 70px;
    text-align: right;
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.timeline-content {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.timeline-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

/* ----------------------------------------
   Local Section
   ---------------------------------------- */
.local-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

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

.feature-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.local-extras {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.extra-badge {
    padding: 0.75rem 1.5rem;
    background: var(--color-secondary);
    color: var(--color-gray-900);
    font-weight: 600;
    border-radius: var(--radius-md);
}

/* ----------------------------------------
   Patrocínio Section
   ---------------------------------------- */
.section-patrocinio {
    background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

.benefit-card {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.benefit-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-secondary);
    color: var(--color-gray-900);
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--space-md);
}

.benefit-card h4 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.benefit-card p {
    font-size: 0.9375rem;
    opacity: 0.9;
}

.cotas-section {
    margin-bottom: var(--space-4xl);
}

.cotas-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-2xl);
    letter-spacing: 1px;
}

.cotas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.cota-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.cota-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.cota-header {
    padding: var(--space-xl);
    text-align: center;
    position: relative;
}

.cota-master .cota-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.cota-ouro .cota-header {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-gray-900);
}

.cota-prata .cota-header {
    background: linear-gradient(135deg, var(--color-gray-400) 0%, var(--color-gray-500) 100%);
    color: var(--color-white);
}

.cota-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.cota-header h4 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

.cota-master .cota-header h4,
.cota-prata .cota-header h4 {
    color: var(--color-white);
}

.cota-price {
    font-size: 1.5rem;
    font-weight: 700;
}

.cota-benefits {
    padding: var(--space-xl);
}

.cota-benefits li {
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-200);
}

.cota-benefits li:last-child {
    border-bottom: none;
}

.cota-card .btn {
    margin: var(--space-lg);
    margin-top: 0;
    width: calc(100% - 2 * var(--space-lg));
}

.cotas-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.info-box {
    padding: var(--space-xl);
    background: var(--color-white);
    border-left: 4px solid var(--color-secondary);
    border-radius: var(--radius-md);
}

.info-box h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    font-size: 1rem;
}

.info-box p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

/* Estandes Section */
.estandes-section {
    margin-top: var(--space-4xl);
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--color-gray-200);
}

.estandes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.estande-card {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.estande-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.estande-premium:hover { border-color: var(--color-primary); }
.estande-padrao:hover  { border-color: var(--color-gray-400); }

.estande-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-gray-100);
}

.estande-premium .estande-card-header { background: var(--color-primary); }
.estande-padrao  .estande-card-header { background: var(--color-gray-200); }

.estande-tipo {
    display: inline-block;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.estande-tipo.premium { color: var(--color-secondary); }
.estande-tipo.padrao  { color: var(--color-gray-700); }

.estande-cta {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-secondary);
    opacity: 0.85;
    transition: opacity var(--transition-base);
}

.estande-padrao .estande-cta { color: var(--color-primary); }
.estande-card:hover .estande-cta { opacity: 1; }

.estande-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
}

.estande-info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-md) var(--space-xl);
    background: var(--color-white);
}

.estande-info-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--color-gray-500);
}

.estande-info-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.estande-recursos {
    list-style: none;
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.estande-recursos li {
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.estandes-note {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    font-style: italic;
}

/* ----------------------------------------
   Apoiadores Section
   ---------------------------------------- */
.section-apoiadores {
    background: var(--color-gray-100);
}

.apoiadores-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
}

.apoiador-logo {
    flex: 0 0 calc((100% - 5 * var(--space-lg)) / 6);
}

.apoiador-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 80px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-base);
}

.apoiador-logo:hover {
    box-shadow: var(--shadow-md);
    transform: scale(1.05);
}

/* ----------------------------------------
   Inscrição Section
   ---------------------------------------- */
.section-inscricao {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.inscricao-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.inscricao-info .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.inscricao-info .section-title {
    color: var(--color-white);
    text-align: left;
}

.inscricao-info .section-title .highlight {
    color: var(--color-secondary);
}

.inscricao-info > p {
    font-size: 1.0625rem;
    opacity: 0.9;
    margin-bottom: var(--space-2xl);
}

.inscricao-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.inscricao-benefits .benefit {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.inscricao-benefits .benefit span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-secondary);
    color: var(--color-gray-900);
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.inscricao-benefits .benefit p {
    font-size: 1rem;
}

/* Form Styles */
.inscricao-form {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.inscricao-form h3,
.contato-form h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--color-gray-800);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-check input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    accent-color: var(--color-primary);
}

.form-check label {
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.form-note {
    margin-top: var(--space-md);
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

/* Form Success */
.form-success {
    text-align: center;
    padding: var(--space-2xl);
}

.success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--color-success);
    color: var(--color-white);
    font-size: 2rem;
    border-radius: 50%;
    margin: 0 auto var(--space-xl);
}

.form-success h3 {
    color: var(--color-success);
}

.form-success p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

/* ----------------------------------------
   Contato Section
   ---------------------------------------- */
.section-contato {
    background: var(--color-gray-100);
}

.contato-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contato-info .section-tag {
    background: var(--color-secondary);
}

.contato-info .section-title {
    text-align: left;
}

.contato-info > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
}

.contato-dados {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contato-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

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

.contato-item strong {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contato-item a {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
}

.contato-item a:hover {
    text-decoration: underline;
}

.contato-form {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
}

.footer-links h4,
.footer-info h4,
.footer-contact h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links a {
    display: block;
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-secondary);
}

.footer-info p {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
}

.footer-info strong {
    color: var(--color-gray-300);
}

.footer-contact a {
    display: block;
    color: var(--color-gray-400);
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* ----------------------------------------
   Floating CTA
   ---------------------------------------- */
.floating-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    color: var(--color-gray-900);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    z-index: 900;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-base);
}

.floating-cta.visible {
    transform: translateY(0);
    opacity: 1;
}

.floating-cta:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.floating-cta span {
    font-size: 1.5rem;
}

.floating-cta strong {
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ----------------------------------------
   Responsive Styles
   ---------------------------------------- */
@media (max-width: 1024px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: var(--space-lg);
        box-shadow: var(--shadow-lg);
        gap: var(--space-md);
    }
    
    .nav.active {
        display: flex;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .traffic-light {
        display: none;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .publico-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .palestrantes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .local-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid,
    .cotas-grid,
    .cotas-info {
        grid-template-columns: 1fr;
    }
    
    .inscricao-wrapper,
    .contato-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .apoiadores-grid .apoiador-logo {
        flex: 0 0 calc((100% - 2 * var(--space-lg)) / 3);
    }

    .estandes-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-info {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
    
    .publico-grid,
    .local-features {
        grid-template-columns: 1fr;
    }
    
    .palestrantes-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 80px;
    }
    
    .timeline::before {
        left: 60px;
    }
    
    .timeline-time {
        left: -80px;
        font-size: 1.25rem;
        width: 55px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
    
    .apoiadores-grid .apoiador-logo {
        flex: 0 0 calc((100% - var(--space-lg)) / 2);
    }

    .estande-info-item {
        padding: var(--space-sm) var(--space-lg);
    }

    .estande-recursos {
        padding: var(--space-md) var(--space-lg);
    }
    
    .floating-cta {
        bottom: 1rem;
        right: 1rem;
        padding: 0.75rem 1.25rem;
    }
    
    .floating-cta strong {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-badges {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .badge:not(:last-child)::after {
        display: inline;
    }
    
    .programacao-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
    }
    
    .local-extras {
        flex-direction: column;
    }
    
    .extra-badge {
        text-align: center;
    }
}

/* ----------------------------------------
   Mensagens de Feedback do Formulário
   ---------------------------------------- */
.form-message {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.form-message.success {
    background: #E8F5E9;
    border-left: 4px solid #4CAF50;
    color: #1B5E20;
}

.form-message.error {
    background: #FFEBEE;
    border-left: 4px solid #E53935;
    color: #B71C1C;
}

.form-message.warning {
    background: #FFF8E1;
    border-left: 4px solid #FFC107;
    color: #E65100;
}

.form-message .message-icon {
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.form-message .message-text {
    flex: 1;
}

.form-message .message-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    opacity: 0.6;
    padding: 0;
    flex-shrink: 0;
    color: inherit;
}

.form-message .message-close:hover {
    opacity: 1;
}