:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --accent-color: #00ffcc;
    --secondary-text: #a0a0a0;
    --card-bg: #111111;
    --border-color: #222222;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

.btn-demo {
    background: var(--text-color);
    color: var(--bg-color);
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: opacity 0.3s;
}

.btn-demo:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    max-width: 900px;
    line-height: 1.1;
}

.hero p {
    color: var(--secondary-text);
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2rem;
}

/* Sections General */
section {
    padding: 8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

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

.agent-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, border-color 0.3s;
}

.agent-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.agent-card h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.agent-card p {
    color: var(--secondary-text);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.about-item h3 {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.blog-content {
    padding: 1.5rem;
}

.blog-tag {
    color: var(--accent-color);
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}

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

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.faq-item h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.faq-item p {
    color: var(--secondary-text);
}

/* Footer */
footer {
    padding: 4rem 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}