:root {
    --primary: #d946ef;
    --primary-dark: #a855f7;
    --secondary: #3b82f6;
    --accent: #10b981;
    --dark-bg: #030712;
    --darker-bg: #000000;
    --card-bg: #111827;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --border: #1f2937;
    --danger: #ef4444;
    --warning: #f59e0b;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

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

.navbar-logo h1 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

.navbar-logo p {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.navbar-links {
    display: flex;
    gap: 24px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(to bottom, rgba(3, 7, 18, 1), rgba(17, 24, 39, 0.5));
}

.alert-pill {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title .highlight {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
}

/* Educational Section */
.educational-section {
    padding: 80px 0;
}

.didactic-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
}

.didactic-text h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.didactic-text p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.didactic-box {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.math-card {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.math-card p {
    margin-bottom: 8px;
}

.warning-text {
    color: var(--warning);
    font-weight: 700;
}

/* Comparison Table */
.tech-deep-dive {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.02);
}

.tech-deep-dive h2 {
    text-align: center;
    margin-bottom: 48px;
    font-size: 2.5rem;
}

.comparison-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card-bg);
}

.comparison-table {
    width: 100%;
    min-width: 720px; /* Garante que a tabela tenha largura mínima para não colapsar */
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table th, .comparison-table td {
    padding: 18px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    line-height: 1.4;
}

.comparison-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.comparison-table td:nth-child(2) {
    color: var(--danger);
}

.comparison-table td:nth-child(3) {
    color: var(--accent);
    font-weight: 700;
}

/* Melhorias de responsividade no mobile para a tabela de benchmark */
@media (max-width: 768px) {
    .comparison-table th, .comparison-table td {
        padding: 14px 12px;
        font-size: 0.85rem;
    }
    
    .comparison-table th {
        font-size: 0.65rem;
    }
    
    .tech-deep-dive h2 {
        font-size: 1.85rem;
    }
}

/* Competitor Cards */
.section-main-title {
    text-align: center;
    font-size: 2.5rem;
    margin: 80px 0 48px;
}

.competitor-analysis-card {
    display: flex;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 32px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.card-side-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 24px 12px;
    font-weight: 900;
    text-align: center;
    color: white;
}

.card-side-label.red { background: var(--danger); }
.card-side-label.orange { background: var(--warning); }
.card-side-label.yellow { background: #eab308; color: black; }

.card-main-content {
    padding: 32px;
    flex-grow: 1;
}

.rebuttal-box {
    margin-top: 24px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--primary);
    border-radius: 4px;
}

.rebuttal-box h4 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

/* Advantage Grid */
.blocohost-advantage {
    padding: 100px 0;
}

.advantage-header {
    text-align: center;
    margin-bottom: 64px;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    border-color: var(--secondary);
    background: rgba(59, 130, 246, 0.05);
}

.adv-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 600;
}

.faq-answer {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    display: none;
}

/* CTA */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(to bottom, transparent, rgba(59, 130, 246, 0.1));
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 32px;
}

.cta-button {
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.2s;
}

.cta-button.primary {
    background: var(--primary);
    color: white;
}

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

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(217, 70, 239, 0.3);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 968px) {
    .didactic-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 3rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .navbar-links { display: none; }
    .hero-title { font-size: 2.5rem; }
    .cta-buttons { flex-direction: column; }
}

/* Professional References Section */
.references-section {
    padding: 100px 0;
    background: var(--darker-bg);
    border-top: 1px solid var(--border);
}

.references-section h2 {
    font-size: 1.75rem;
    margin-bottom: 32px;
    color: var(--primary);
    text-align: center;
    font-weight: 700;
}

.reference-list {
    max-width: 900px;
    margin: 0 auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.reference-item {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    padding: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: flex-start;
}

.reference-item:hover {
    border-color: var(--secondary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.reference-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
}

.reference-content {
    flex: 1;
    font-size: 0.875rem;
}

.reference-content a {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.reference-content a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.reference-content p {
    margin: 0;
    color: var(--text-secondary);
}

/* Citation markers - non-clickable professional style */
.citation {
    font-size: 0.78em;
    color: var(--secondary);
    vertical-align: super;
    font-weight: 700;
    margin-left: 4px;
    margin-right: 3px;
    cursor: default;
    user-select: none;
    opacity: 1;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    transition: all 0.2s ease;
    line-height: 1;
    display: inline-block;
}

.citation:hover {
    background: rgba(59, 130, 246, 0.22);
    border-color: var(--secondary);
    transform: translateY(-1px);
}