:root {
    --primary: #101c2b;
    --primary-surface: #18283d;
    --primary-card: rgba(24, 40, 61, 0.85);
    --accent: #d97706;
    --accent-hover: #b45309;
    --text: #f3f4f6;
    --text-muted: #9ca3af;
    --border: rgba(217, 119, 6, 0.25);
    --border-light: rgba(255, 255, 255, 0.08);
    --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-stack);
    background: var(--primary);
    color: var(--text);
    line-height: 1.65;
    font-size: 1.05rem;
    overflow-x: hidden;
}

header {
    background: rgba(16, 28, 43, 0.95);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    backdrop-filter: blur(8px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-weight: 800;
    font-size: 1.35rem;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.brand span { color: var(--accent); }

nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

nav a:hover, nav a.active { color: var(--accent); }

.breadcrumb-nav {
    max-width: 1200px;
    margin: 1.5rem auto 0;
    padding: 0 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb-nav a {
    color: var(--text-muted);
    text-decoration: none;
}

.breadcrumb-nav a:hover { color: var(--text); }
.breadcrumb-nav span { color: var(--accent); }

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem 5rem;
}

.hero {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
}

.badge {
    display: inline-block;
    background: rgba(217, 119, 6, 0.15);
    color: var(--accent);
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    border: 1px solid rgba(217, 119, 6, 0.3);
}

h1 {
    font-size: 2.75rem;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.lead {
    font-size: 1.3rem;
    color: #d1d5db;
    max-width: 850px;
    margin-bottom: 2rem;
    font-weight: 400;
}

.grid-2 {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 3.5rem;
    margin-top: 3rem;
}

.content-section h2 {
    font-size: 1.85rem;
    margin: 2.5rem 0 1rem;
    color: #ffffff;
    border-left: 4px solid var(--accent);
    padding-left: 0.85rem;
}

.content-section h3 {
    font-size: 1.35rem;
    margin: 1.75rem 0 0.75rem;
    color: #e5e7eb;
}

.content-section p {
    margin-bottom: 1.25rem;
    color: #d1d5db;
}

.content-section ul, .content-section ol {
    margin: 1rem 0 1.5rem 1.5rem;
    color: #d1d5db;
}

.content-section li {
    margin-bottom: 0.6rem;
}

.framework-bridge {
    background: rgba(59, 130, 246, 0.08);
    border-left: 3px solid #3b82f6;
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    border-radius: 0 6px 6px 0;
}

.framework-bridge a {
    color: #60a5fa;
    font-weight: 600;
    text-decoration: underline;
}

.cta-card {
    background: var(--primary-surface);
    border: 1px solid var(--border);
    padding: 2.2rem;
    border-radius: 8px;
    position: sticky;
    top: 6rem;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
}

.cta-card h3 {
    font-size: 1.45rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.cta-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: #ffffff;
    padding: 0.95rem 1.8rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    text-align: center;
    width: 100%;
    transition: background 0.2s ease, transform 0.1s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.trust-signals {
    margin-top: 1.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    padding-top: 1.2rem;
    line-height: 1.6;
}

.faq-accordion {
    margin-top: 3.5rem;
}

details {
    background: var(--primary-surface);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    margin-bottom: 1rem;
    padding: 1.1rem 1.3rem;
    transition: border-color 0.2s ease;
}

details[open] {
    border-color: var(--border);
}

summary {
    font-weight: 700;
    cursor: pointer;
    color: #ffffff;
    list-style: none;
    font-size: 1.1rem;
}

summary::-webkit-details-marker { display: none; }

details[open] summary {
    color: var(--accent);
    margin-bottom: 0.85rem;
}

footer {
    border-top: 1px solid var(--border);
    background: #0b131e;
    padding: 3.5rem 1.5rem;
    margin-top: 5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
}

@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    h1 { font-size: 2.15rem; }
    .cta-card { position: static; }
}