:root {
	--ink: #1f2340;
	--muted: #667085;
	--brand: #635bff;
	--brand-dark: #463cc7;
	--surface: #ffffff;
	--soft: #f5f6ff;
	--line: #e7e8f2;
}

* { box-sizing: border-box; }

body {
	margin: 0;
	color: var(--ink);
	background: #fbfbfe;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	line-height: 1.65;
}

a { color: var(--brand-dark); }

.seo-wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.seo-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; }
.seo-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 1.2rem; font-weight: 750; text-decoration: none; }
.seo-brand img { width: 40px; height: 40px; border-radius: 11px; }
.seo-nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: .92rem; }
.seo-nav a { text-decoration: none; }
.seo-hero { padding: 70px 0 48px; max-width: 820px; }
.seo-kicker { color: var(--brand-dark); font-size: .78rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.seo-hero h1 { margin: 10px 0 18px; font-size: clamp(2.3rem, 6vw, 4.5rem); line-height: 1.08; letter-spacing: -.045em; }
.seo-hero p { max-width: 700px; color: var(--muted); font-size: 1.15rem; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.seo-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: 12px; background: var(--brand); color: #fff; font-weight: 700; text-decoration: none; }
.seo-button:hover { background: var(--brand-dark); }
.seo-button.secondary { background: var(--soft); color: var(--brand-dark); }
.seo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 24px 0 64px; }
.seo-card { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.seo-card h2, .seo-card h3 { margin-top: 0; line-height: 1.25; }
.seo-card p { color: var(--muted); }
.seo-section { padding: 28px 0; }
.seo-section h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.2; }
.seo-list { padding-left: 1.2rem; }
.seo-list li { margin: 10px 0; }
.seo-note { padding: 18px 20px; border-left: 4px solid var(--brand); background: var(--soft); }
.seo-faq { border-top: 1px solid var(--line); }
.seo-faq details { padding: 17px 0; border-bottom: 1px solid var(--line); }
.seo-faq summary { cursor: pointer; font-weight: 700; }
.seo-footer { margin-top: 64px; padding: 28px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.seo-footer a { margin-right: 14px; }
.article { max-width: 760px; margin: 0 auto; padding: 55px 0 30px; }
.article h1 { margin: 10px 0 18px; font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.1; letter-spacing: -.04em; }
.article h2 { margin-top: 38px; line-height: 1.25; }
.article .lead { color: var(--muted); font-size: 1.15rem; }
.article-meta { color: var(--muted); font-size: .9rem; }
@media (max-width: 720px) {
	.seo-wrap { width: min(100% - 28px, 640px); }
	.seo-header { align-items: flex-start; flex-direction: column; }
	.seo-nav { gap: 10px 14px; }
	.seo-hero { padding-top: 40px; }
	.seo-grid { grid-template-columns: 1fr; margin-bottom: 36px; }
}