:root {
    --primary: #0f172a;
    --accent: #3b82f6;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-soft: #f8fafc;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
section { padding: 5rem 0; }

/* Navigation */
nav {
    padding: 1.5rem 0;
    border-bottom: 1px solid #e2e8f0;
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-content { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

.logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    color: var(--primary);
    text-transform: uppercase;
    text-decoration: none;
}

.logo span { font-weight: 300; color: var(--text-light); font-size: 0.8rem; letter-spacing: 0.2em; margin-left: 0.5rem; }

.nav-links { display: flex; align-items: center; flex-wrap: wrap; gap: 0 2rem; }

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--primary);
}

.nav-toggle .bar {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    margin: 5px 0;
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { background: var(--primary); color: var(--white); padding: 8rem 0; }

.hero h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 1.5rem; letter-spacing: -0.02em; }

.hero p { font-size: 1.25rem; color: #94a3b8; max-width: 650px; margin-bottom: 2.5rem; font-weight: 300; }

.btn {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: opacity 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.btn:hover { opacity: 0.9; }

/* Capabilities */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 4rem; }

.card h3 { font-size: 1.25rem; margin-bottom: 1rem; color: var(--primary); border-left: 3px solid var(--accent); padding-left: 1rem; }

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

/* AI Section */
.ai-section {
    background: #1e293b;
    color: var(--white);
    border-radius: 8px;
    padding: 4rem;
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.ai-content { flex: 2; }

.ai-content h2 { color: var(--accent); margin-bottom: 1.5rem; font-style: italic; }

.ai-spec {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
    font-size: 0.8rem;
}

/* Compliance */
.compliance-strip { text-align: center; border-top: 1px solid #f1f5f9; padding: 4rem 0; }

.compliance-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
}

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

.comp-item b { display: block; font-size: 1.1rem; color: var(--primary); }

.comp-item span { font-size: 0.75rem; color: var(--text-light); text-transform: uppercase; }

/* Footer */
footer { background: var(--bg-soft); padding: 6rem 0; text-align: center; border-top: 1px solid #e2e8f0; }

.footer-logo {
    display: block;
    max-width: 220px;
    height: auto;
    margin: 0 auto 2rem;
}

.footer-label { margin-bottom: 1rem; color: var(--text-light); }

.footer-email {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: border 0.2s;
    word-break: break-word;
}

.footer-email:hover { border-bottom-color: var(--accent); }

.copy {
    margin-top: 4rem;
    font-size: 0.75rem;
    color: var(--text-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.copy a {
    color: inherit;
    text-decoration: none;
    text-transform: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}

.copy a:hover {
    color: var(--primary);
    border-bottom-color: var(--text-light);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }

    .nav-toggle { display: block; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid #e2e8f0;
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 2rem 1.5rem;
        gap: 0;
    }

    .nav-links.is-open { display: flex; }

    .nav-links a { padding: 0.75rem 0; border-top: 1px solid #f1f5f9; }

    .nav-content { position: relative; flex-wrap: wrap; }

    .compliance-grid { grid-template-columns: repeat(2, 1fr); }

    .ai-section { padding: 2rem; }
}

.contact-card {
    border: 1px solid #e2e8f0;
    padding: 3rem;
    border-radius: 4px;
    background: #f8fafc;
}
.email-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6;
    text-decoration: none;
    display: block;
    margin: 1.5rem 0;
}
.availability-indicator {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #64748b;
}
.dot {
    height: 8px;
    width: 8px;
    background-color: #22c55e; /* Green for "Active" */
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}