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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #f0f2f5;
    color: #1a1a2e;
    line-height: 1.6;
}

a { color: #0066cc; text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Navigation --- */
.nav {
    background: #fff;
    border-bottom: 1px solid #e0e4e8;
    position: sticky;
    top: 0;
    z-index: 10;
}
.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.8rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-brand {
    font-weight: 700;
    font-size: 1rem;
    color: #16213e;
}
.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}
.nav-links a {
    font-size: 0.85rem;
    color: #444;
}
.nav-links a:hover { color: #0066cc; }

/* --- Hero --- */
.hero {
    padding: 4rem 2rem;
    text-align: center;
}
.hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    color: #16213e;
    margin-bottom: 0.5rem;
}
.hero .subtitle {
    font-size: 1.15rem;
    color: #555;
    max-width: 640px;
    margin: 0 auto 1.5rem;
}
.hero-badges {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid #d0d7de;
    background: #fff;
    color: #444;
}
.badge:hover { text-decoration: none; border-color: #0066cc; color: #0066cc; }
.badge-primary { background: #0066cc; color: #fff; border-color: #0066cc; }
.badge-primary:hover { background: #0052a3; color: #fff; }

/* --- Container / Sections --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}
section { margin-bottom: 3.5rem; }
section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #16213e;
    margin-bottom: 1rem;
}
section p {
    color: #333;
    margin-bottom: 0.8rem;
}

/* --- Code blocks --- */
pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.2rem 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}
code {
    font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
}
p code, li code {
    background: #e8edf2;
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.88em;
    color: #1a1a2e;
}

/* --- Feature list --- */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}
.feature-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    padding: 1.25rem 1.5rem;
}
.feature-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #16213e;
    margin-bottom: 0.3rem;
}
.feature-card p {
    font-size: 0.88rem;
    color: #555;
    margin: 0;
}
.method {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.5px;
    vertical-align: middle;
}
.method-GET    { background: #dafbe1; color: #116329; }
.method-POST   { background: #ddf4ff; color: #0550ae; }

/* --- Screenshots --- */
.screenshot {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    margin-bottom: 1.5rem;
}
.screenshot img {
    width: 100%;
    height: auto;
    display: block;
}
.screenshot figcaption {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    color: #555;
    border-top: 1px solid #eef0f3;
}
.screenshot figcaption strong { color: #16213e; }

/* --- Warning box --- */
.warning {
    background: #fff8c5;
    border-left: 4px solid #d4a800;
    border-radius: 0 8px 8px 0;
    padding: 1rem 1.5rem;
    margin-top: 1rem;
}
.warning strong { color: #7d5a00; }

/* --- Footer --- */
.footer {
    border-top: 1px solid #e0e4e8;
    text-align: center;
    padding: 2rem;
    font-size: 0.82rem;
    color: #6e7781;
}
.footer a { color: #0066cc; }

/* --- Responsive --- */
@media (max-width: 700px) {
    .feature-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.8rem; }
    .nav-inner { padding: 0.8rem 1rem; }
    .container { padding: 0 1rem 3rem; }
    .hero { padding: 2.5rem 1rem; }
}