/* ============================================
   LANDING PAGE - VERSÃO OTIMIZADA
   ============================================ */

:root {
    /* Cores principais - reduzidas para melhor performance */
    --primary: #FF6B35;
    --primary-dark: #E85A2A;
    --secondary: #004E89;
    --accent: #FFC107;
    
    /* Gradientes simplificados */
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
    
    /* Cores de texto */
    --text-dark: #1A1A2E;
    --text-medium: #4A5568;
    --text-light: #718096;
    --text-white: #FFFFFF;
    
    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-light: #F7FAFC;
    --bg-card: #FFFFFF;
    
    /* Shadows mais leves */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 20px;
    
    /* Transitions otimizadas */
    --transition-base: 0.3s ease;
    
    /* Spacing consistente */
    --section-padding: 80px;
}

/* Reset otimizado */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.videos-interativos-landing {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Spacing consistente */
.landing-hero,
.landing-features,
.landing-works,
.landing-usecases,
.landing-faq {
    padding: var(--section-padding) 0;
    position: relative;
}

.landing-hero {
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.landing-features,
.landing-faq {
    background: var(--bg-white);
}

.landing-works,
.landing-usecases {
    background: var(--bg-light);
}

/* Gradient Text otimizado */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Header consistente */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255,107,53,0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-description {
    font-size: 18px;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
}

/* ==================== HERO SECTION OTIMIZADA ==================== */
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-content {
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 35px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 45px;
    flex-wrap: wrap;
}

/* Botões otimizados */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.hero-stats {
    display: flex;
    gap: 35px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero Visual otimizado */
.hero-visual {
    position: relative;
}

.video-preview {
    position: relative;
    transform: perspective(1000px) rotateY(-8deg);
    transition: transform 0.4s ease;
}

.video-preview:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.preview-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 18px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.9);
}

.preview-screen {
    position: relative;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1A1A2E 0%, #16213E 100%);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.video-player {
    width: 100%;
    height: 100%;
    position: relative;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,78,137,0.8), rgba(26,101,158,0.8));
}

.play-button {
    cursor: pointer;
    transition: transform 0.2s;
}

.play-button:hover {
    transform: scale(1.05);
}

.player-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 18px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
}

.control-timebar {
    position: relative;
    height: 5px;
    background: rgba(255,255,255,0.2);
    border-radius: 3px;
    cursor: pointer;
}

.timebar-progress {
    position: absolute;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    width: 40%;
}

/* ==================== FEATURES OTIMIZADA ==================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--bg-card);
    padding: 35px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition-base);
    position: relative;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-highlight {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.feature-highlight .feature-title,
.feature-highlight .feature-description {
    color: white;
}

.feature-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(255,255,255,0.2);
    padding: 5px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-icon {
    font-size: 42px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 14px;
}

.feature-description {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 18px;
    font-size: 15px;
}

.feature-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    padding: 5px 10px;
    background: rgba(255,107,53,0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}

.feature-highlight .tag {
    background: rgba(255,255,255,0.2);
    color: white;
}

/* ==================== HOW IT WORKS OTIMIZADO ==================== */
.works-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-step {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
}

.timeline-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    position: relative;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-size: 28px;
    font-weight: 800;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.step-card {
    background: var(--bg-card);
    padding: 35px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    flex: 1;
}

.step-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    font-size: 42px;
    margin-bottom: 18px;
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 14px;
}

.step-description {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 18px;
}

.step-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.step-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-medium);
    font-size: 14px;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}

/* ==================== USE CASES OTIMIZADO ==================== */
.usecases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.usecase-card {
    position: relative;
    padding: 45px 35px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    transition: var(--transition-base);
    overflow: hidden;
}

.usecase-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.usecase-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.03;
    transition: opacity 0.3s;
}

.usecase-card:hover::before {
    opacity: 0.06;
}

.usecase-content {
    position: relative;
    z-index: 1;
}

.usecase-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.usecase-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 14px;
}

.usecase-description {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 22px;
}

.usecase-stats {
    display: flex;
    gap: 35px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 3px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==================== CTA SECTION OTIMIZADA ==================== */
.landing-cta {
    padding: 100px 0;
    background: var(--gradient-dark);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 46px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 35px;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 45px;
    flex-wrap: wrap;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 35px;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 14px;
}

/* ==================== FAQ OTIMIZADO ==================== */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    flex: 1;
    padding-right: 20px;
}

.faq-icon {
    font-size: 24px;
    color: var(--primary);
    font-weight: 300;
    transition: transform 0.3s;
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq-answer p {
    padding: 0 28px 24px;
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 15px;
}

/* ==================== RESPONSIVE DESIGN OTIMIZADO ==================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-visual {
        max-width: 550px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline-step,
    .timeline-step:nth-child(even) {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .hero-title {
        font-size: 38px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .features-grid,
    .usecases-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions,
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: auto;
        min-width: 200px;
    }
    
    .hero-stats,
    .usecase-stats,
    .cta-features {
        flex-direction: column;
        gap: 25px;
    }
    
    .faq-question h3 {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }
    
    .hero-title {
        font-size: 30px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .feature-card,
    .step-card,
    .usecase-card {
        padding: 25px;
    }
    
    .faq-question {
        padding: 20px 24px;
    }
    
    .faq-answer p {
        padding: 0 24px 20px;
    }
}