/* Reset e Variáveis */
:root {
    --primary: #00c8ff;
    --primary-dark: #00a2d6;
    --secondary: #00e676;
    --accent: #7cf7d3;
    --success: #00e676;
    --dark: #0b1020;
    --dark-lighter: #111a2d;
    --dark-card: #0f172a;
    --text: #e6f1ff;
    --text-muted: #9fb5d1;
    --border: #15243b;
    --radius: 12px;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navegação */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #ffffff;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    padding: 16px 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo-img {
    height: 48px;
    width: auto;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    background: #ffffff;
    padding: 4px;
}

.logo:hover {
    opacity: 0.8;
}

.logo-only {
    margin-right: 0;
}

.logo-icon {
    font-size: 32px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: #1f2937;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 15px;
}

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

.btn-github {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text) !important;
    transition: all 0.3s;
}

.btn-github:hover {
    background: var(--dark-lighter);
    border-color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(0, 200, 255, 0.18), transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    margin-bottom: 24px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 200, 255, 0.12);
    border: 1px solid rgba(0, 230, 118, 0.4);
    border-radius: 50px;
    color: var(--success);
    font-size: 14px;
    font-weight: 600;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 48px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 14px rgba(0, 200, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 230, 118, 0.45);
}

.btn-secondary {
    background: var(--dark-card);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--dark-lighter);
    border-color: var(--primary);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.hero-stats {
    display: flex;
    gap: 64px;
    justify-content: center;
    padding: 32px 0;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Terminal Window */
.hero-visual {
    margin-top: 64px;
}

.terminal-window {
    background: var(--dark-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.logo-card {
    border: 1px solid rgba(0, 200, 255, 0.35);
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.5);
    border-bottom: 1px solid var(--border);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close {
    background: #ff5f56;
}

.btn-minimize {
    background: #ffbd2e;
}

.btn-maximize {
    background: #27c93f;
}

.terminal-title {
    flex: 1;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.terminal-body {
    padding: 24px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
}

.logo-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-logo {
    width: 100%;
    max-width: 520px;
    filter: drop-shadow(0 12px 32px rgba(0, 200, 255, 0.25));
}

.logo-caption {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.caption-dot {
    color: var(--secondary);
    margin-right: 8px;
}

.terminal-line {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.prompt {
    color: var(--primary);
    font-weight: 700;
}

.command {
    color: var(--text);
}

.terminal-line.output {
    color: var(--text-muted);
}

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

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

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Sections */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 18px;
    color: var(--text-muted);
}

/* Features */
.features {
    background: linear-gradient(180deg, transparent, rgba(102, 126, 234, 0.05), transparent);
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.feature-category {
    text-align: center;
}

.category-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
}

/* Quick Start */
.quickstart {
    background: var(--dark-lighter);
}

.quickstart-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 32px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 15px;
    font-weight: 500;
}

.tab-btn:hover {
    background: var(--dark-card);
    color: var(--text);
}

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

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.code-block {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: rgba(15, 23, 42, 0.5);
    border-bottom: 1px solid var(--border);
}

.code-title {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 13px;
}

.copy-btn:hover {
    background: var(--dark-lighter);
    color: var(--text);
    border-color: var(--primary);
}

pre {
    padding: 24px;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    line-height: 1.7;
}

code {
    color: var(--text);
}

.quickstart-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-muted);
    text-align: center;
}

.quickstart-note a {
    color: var(--primary);
    text-decoration: none;
}

.quickstart-note a:hover {
    text-decoration: underline;
}

/* Privacy */
.privacy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.privacy-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 50px;
    color: var(--success);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.privacy-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.privacy-description {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

.privacy-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.privacy-feature {
    display: flex;
    gap: 16px;
}

.privacy-feature-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 8px;
    color: var(--success);
    font-weight: 700;
}

.privacy-feature-text h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.privacy-feature-text p {
    font-size: 14px;
    color: var(--text-muted);
}

.security-card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
}

.security-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.security-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
}

.security-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(16, 185, 129, 0.05);
    border-radius: 8px;
}

.check {
    color: var(--success);
    font-weight: 700;
}

/* CTA */
.cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    text-align: center;
}

.cta-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--dark-lighter);
    border-top: 1px solid var(--border);
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-description {
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.footer-section-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: var(--text);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 15px;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 14px;
}

.footer-copy a {
    color: var(--primary);
    text-decoration: none;
}

.footer-copy a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-description {
        font-size: 16px;
    }

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

    .hero-stats {
        gap: 32px;
    }

    .section-title {
        font-size: 32px;
    }

    .feature-cards {
        grid-template-columns: 1fr;
    }

    .privacy-content {
        grid-template-columns: 1fr;
    }

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

    .quickstart-tabs {
        flex-direction: column;
    }

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