:root {
	--bg: #ffffff;
	--panel: #f7f7f7;
	--text: #111111;
	--muted: #666666;
	--primary: #111111;
	--accent: #000000;
	--border: #e5e5e5;
}

* { box-sizing: border-box; }
body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Inter, system-ui, sans-serif;
	color: var(--text);
	background: var(--bg);
	line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
header {
	position: sticky; top: 0; z-index: 50;
	backdrop-filter: saturate(1.1) blur(8px);
	background: rgba(255,255,255,0.75);
	border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.2px; }
.badge { font-size: 12px; color: var(--muted); border: 1px solid var(--border); padding: 2px 8px; border-radius: 999px; }
.nav-links { display: flex; gap: 18px; align-items: center; }
.cta { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #ffffff; font-weight: 600; padding: 10px 14px; border-radius: 10px; border: 1px solid #000000; cursor: pointer; box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
.cta.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); box-shadow: none; }

/* Hero */
.hero { padding: 72px 0 36px; }
.hero h1 { font-size: 42px; line-height: 1.15; margin: 0 0 14px; }
.hero p { color: var(--muted); font-size: 18px; margin: 0 0 26px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
.section { padding: 48px 0; border-top: 1px solid var(--border); scroll-margin-top: clamp(56px, 10vw, 84px); }
.section h2 { font-size: 24px; margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.card { grid-column: span 6; background: #ffffff; border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.small { color: var(--muted); font-size: 14px; }
.list { margin: 0; padding-left: 18px; color: var(--muted); }

/* Privacy policy block */
.policy { background: #fafafa; border: 1px solid var(--border); border-radius: 16px; padding: 18px; }
.policy h3 { margin-top: 10px; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); background: var(--bg); }

@media (max-width: 900px) {
	.card { grid-column: span 12; }
	.hero h1 { font-size: 32px; }
}

/* Collapsible sections */
.collapsible .toggle { cursor: pointer; user-select: none; display: flex; align-items: center; gap: 8px; }
.collapsible .chevron { transition: transform 0.2s ease; display: inline-block; }
.collapsible .collapsible-content { display: none; }
.collapsible.open .collapsible-content { display: block; }
.collapsible.open .chevron { transform: rotate(180deg); }

/* Narrow layout refinements */
@media (max-width: 700px) {
	.container { padding: 0 14px; }
	.nav { padding: 10px 0; row-gap: 8px; flex-wrap: wrap; }
	.nav-links { flex-wrap: wrap; gap: 10px; }
	.hero { padding: 56px 0 28px; }
	.hero h1 { font-size: 28px; }
	.section { padding: 36px 0; }
	.grid { grid-template-columns: 1fr; gap: 12px; }
	.card { padding: 14px; }
}

@media (max-width: 420px) {
	.hero h1 { font-size: 24px; }
	.hero p { font-size: 16px; }
	.hero-ctas { flex-direction: column; }
	.hero-ctas .cta { width: 100%; justify-content: center; }
	.nav-links { gap: 8px; }
}

/* Responsive video */
.video-wrapper { position: relative; width: 100%; max-width: 960px; aspect-ratio: 16/9; background: #000; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.video-wrapper iframe { position: absolute; inset: 0; width: 100%; height: 100%; }