:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #1e293b;
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --text-main: #334155;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    --success: #22c55e;
    --border: #e2e8f0;
    --container: 1200px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--text-white);
    scroll-behavior: smooth;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center { text-align: center; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); color: var(--text-white); }
.highlight { color: var(--primary); }

/* Buttons */
.btn-primary, .btn-primary-outline, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

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

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

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo-text {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -1px;
    color: var(--bg-dark);
}

.logo-text span {
    color: var(--primary);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.1), transparent), 
                radial-gradient(circle at bottom left, rgba(15, 23, 42, 0.05), transparent);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--bg-dark);
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-main);
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Tech Card Visual */
.tech-card {
    background: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.4);
    font-family: 'Courier New', Courier, monospace;
}

.tech-header {
    background: #1e293b;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dot { width: 10px; height: 10px; border-radius: 50%; background: #475569; }
.tech-header .title { font-size: 0.75rem; color: #94a3b8; margin-left: 0.5rem; }

.tech-body {
    padding: 2rem;
}

.status-row {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #cbd5e1;
    display: flex;
    justify-content: space-between;
}

.val { color: var(--primary); font-weight: bold; }
.val.success { color: var(--success); }

/* Solutions Section */
.solutions { padding: 6rem 0; }
.solutions h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.subtitle { margin-bottom: 3rem; color: var(--text-light); }

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

.solution-card i { color: var(--primary); margin-bottom: 1.5rem; width: 40px; height: 40px; }
.solution-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }

.features {
    list-style: none;
    margin-top: 1.5rem;
    text-align: left;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
}

.features li {
    padding: 0.3rem 0;
    font-size: 0.9rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.features li::before { content: "•"; color: var(--primary); font-weight: bold; }

/* Process Section */
.process { padding: 6rem 0; }
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.step {
    position: relative;
    padding: 2rem;
}

.step-num {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(14, 165, 233, 0.1);
    position: absolute;
    top: -10px;
    left: 0;
    line-height: 1;
}

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

.step-content h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

/* Compliance Section */
.compliance { padding: 6rem 0; }
.compliance-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
    align-items: center;
}

.badge-dark {
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.compliance h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
.compliance p { color: #94a3b8; margin-bottom: 2rem; }

.check-list { list-style: none; }
.check-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.check-list i { color: var(--success); }

.compliance-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); display: block; }
.stat-label { font-size: 0.75rem; color: #94a3b8; text-transform: uppercase; }

/* Audience */
.audience { padding: 4rem 0; border-bottom: 1px solid var(--border); }
.audience h2 { font-size: 1.2rem; text-transform: uppercase; color: var(--text-light); margin-bottom: 3rem; }

.audience-grid {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.audience-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.7;
    transition: var(--transition);
}

.audience-item:hover { opacity: 1; }
.audience-item i { width: 32px; height: 32px; color: var(--text-main); }
.audience-item h5 { font-size: 0.9rem; font-weight: 600; }

/* Institutional */
.institutional { padding: 6rem 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: center; }

.abstract-network-bg {
    height: 400px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.abstract-network-bg::after {
    content: "";
    position: absolute;
    width: 200%;
    height: 200%;
    background-image: radial-gradient(circle, var(--primary) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.2;
    top: -50%;
    left: -50%;
    transform: rotate(15deg);
}

.institutional-content h2 { margin-bottom: 1.5rem; }
.institutional-content p { margin-bottom: 1.5rem; }

/* Footer */
.footer {
    background: #020617;
    color: #cbd5e1;
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid #1e293b;
}

.footer-brand .logo-text { color: white; margin-bottom: 1rem; display: block; }
.footer-brand p { font-size: 0.85rem; color: #64748b; }

.footer h6 { color: white; margin-bottom: 1.5rem; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; }

.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.75rem; font-size: 0.9rem; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    font-size: 0.75rem;
    color: #475569;
}

/* Responsividade */
@media (max-width: 968px) {
    .hero-grid, .compliance-grid, .grid-2 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
}