/* ============================================
   RESET E VARIÁVEIS
   ============================================ */

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

:root {
    --primary: #3b82f6;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --secondary: #0f172a;
    --bg: #0a0e1a;
    --bg-light: #131827;
    --bg-lighter: #1a2234;
    --text: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 900;
    font-size: 1.3rem;
    letter-spacing: -0.5px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #1e40af);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.brand-pro {
    color: var(--primary-light);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-download {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white !important;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
}

.nav-download::after {
    display: none;
}

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

.hero {
    margin-top: 80px;
    padding: 6rem 2rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--primary-light);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.btn-large {
    padding: 1.3rem 3rem;
    font-size: 1.1rem;
}

.download-icon {
    font-size: 1.2rem;
}

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   SECTION CONTAINER
   ============================================ */

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    padding: 6rem 0;
    background: linear-gradient(to bottom, transparent, rgba(59, 130, 246, 0.03));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    border-radius: 14px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   MODELS SECTION
   ============================================ */

.models-section {
    padding: 6rem 0;
}

.models-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.models-content h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.models-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.benefit-icon {
    color: #10b981;
    font-weight: bold;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.models-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

/* ============================================
   APIS SECTION
   ============================================ */

.apis-section {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.01);
}

.apis-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.api-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    border-radius: 14px;
    text-align: center;
    transition: all 0.3s ease;
}

.api-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.api-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    margin: 0 auto 1.5rem;
}

.api-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.api-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ============================================
   CONTEXT SECTION
   ============================================ */

.context-section {
    padding: 6rem 0;
}

.context-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(30, 64, 175, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 4rem;
    border-radius: 16px;
    text-align: center;
}

.context-card h2 {
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.context-card p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   DASHBOARD SECTION
   ============================================ */

.dashboard-section {
    padding: 6rem 0;
}

.dashboard-image {
    margin: 3rem 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.dashboard-image img {
    width: 100%;
    height: auto;
    display: block;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    border-radius: 14px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-box:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--primary);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-box h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.stat-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ============================================
   VIDEO SECTION
   ============================================ */

.video-section {
    padding: 6rem 0;
}

.video-container {
    max-width: 900px;
    margin: 3rem auto 0;
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   COMMUNITY SECTION
   ============================================ */

.community-section {
    padding: 6rem 0;
    text-align: center;
}

.community-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.community-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.community-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 1.4rem;
}

/* ============================================
   DOWNLOAD SECTION
   ============================================ */

.download-section {
    padding: 6rem 0;
}

.download-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(30, 64, 175, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 5rem 3rem;
    border-radius: 16px;
    text-align: center;
}

.download-card h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.download-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

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

.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.01);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-col p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 900;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .models-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .features-grid,
    .apis-grid,
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero {
        margin-top: 60px;
        padding: 3rem 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .features-grid,
    .apis-grid,
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .community-buttons {
        flex-direction: column;
    }

    .community-btn {
        width: 100%;
        justify-content: center;
    }

    .footer-content {
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 1rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-container {
        padding: 0 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .feature-card,
    .api-card,
    .stat-box {
        padding: 1.5rem 1rem;
    }
}