/* No framework, no build step, no web fonts. A brochure page should be a file
   the browser can paint immediately, and every request to a third party is a
   request that tells someone else who is reading. */

:root {
    color-scheme: light dark;
    --bg: #fbfbfd;
    --panel: #ffffff;
    --ink: #16181d;
    --muted: #5b6270;
    --line: #e3e5ea;
    --accent: #2f6df6;
    --radius: 14px;
    --width: 960px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f1115;
        --panel: #171a20;
        --ink: #e9ecf1;
        --muted: #99a1b0;
        --line: #262b34;
        --accent: #5b8dff;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--width); margin: 0 auto; padding: 0 24px; }

header.site {
    border-bottom: 1px solid var(--line);
    position: sticky; top: 0;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    z-index: 10;
}
header.site .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
header.site a { color: var(--muted); text-decoration: none; font-size: 15px; }
header.site a:hover { color: var(--ink); }
header.site .brand { font-weight: 650; color: var(--ink); margin-right: auto; font-size: 17px; }

h1 { font-size: clamp(34px, 5.5vw, 52px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 16px; }
h2 { font-size: 26px; letter-spacing: -0.01em; margin: 56px 0 12px; }
h3 { font-size: 17px; margin: 0 0 6px; }
p { margin: 0 0 16px; }
.lead { font-size: 20px; color: var(--muted); max-width: 640px; }
.muted { color: var(--muted); }
small { color: var(--muted); }

.hero { padding: 72px 0 40px; }

.btn {
    display: inline-block; padding: 12px 22px; border-radius: 10px;
    background: var(--accent); color: #fff; text-decoration: none;
    font-weight: 600; border: 1px solid transparent;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 24px 0 8px; }

figure { margin: 0 0 12px; }
figure img {
    width: 100%; height: auto; display: block;
    border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
}
figcaption { color: var(--muted); font-size: 14px; margin-top: 8px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.price { display: flex; align-items: baseline; gap: 10px; margin: 8px 0 4px; }
.price b { font-size: 40px; letter-spacing: -0.02em; }

table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }

kbd {
    font: 13px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
    border: 1px solid var(--line); border-bottom-width: 2px;
    border-radius: 6px; padding: 3px 6px; background: var(--panel);
}

form.stack { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
input[type="email"] {
    flex: 1 1 280px; padding: 12px 14px; font: inherit;
    border: 1px solid var(--line); border-radius: 10px;
    background: var(--panel); color: var(--ink);
}
.note { padding: 14px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); }

footer.site { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 56px; color: var(--muted); font-size: 14px; }
footer.site a { color: var(--muted); }