:root {
    color-scheme: dark;
    --bg: #08101f;
    --panel: #101a2d;
    --border: #2b3a53;
    --text: #dce6f5;
    --muted: #a6b3c6;
    --accent: #3b82f6;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: #7db4ff; }
.support-header {
    display: flex;
    min-height: 58px;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    border-bottom: 1px solid var(--border);
    background: rgba(8, 16, 31, 0.96);
}
.brand { color: var(--text); font-size: 17px; font-weight: 750; text-decoration: none; }
.support-header nav { display: flex; gap: 10px; }
.support-header nav a, .primary {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--panel);
    color: var(--text);
    text-decoration: none;
}
main { width: min(920px, calc(100% - 36px)); margin: 0 auto; padding: 54px 0 80px; }
.intro { max-width: 760px; }
.eyebrow { color: #60a5fa; font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
h1 { margin: 5px 0 14px; color: #f8fafc; font-size: clamp(36px, 6vw, 56px); line-height: 1.08; letter-spacing: -0.035em; }
h2 { margin: 0 0 10px; color: #f8fafc; font-size: 23px; }
.intro > p { color: #bdc9da; font-size: 18px; }
.notice { margin-top: 22px; padding: 14px 16px; border: 1px solid #31558b; border-left: 3px solid var(--accent); border-radius: 8px; background: #13294a; }
.payment-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(300px, 1.2fr); gap: 18px; margin-top: 34px; align-items: start; }
.payment-card { padding: 22px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel); }
.payment-card p { color: var(--muted); }
.primary { width: max-content; border-color: #2563eb; background: #2563eb; color: white; font-weight: 700; }
.destination { font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px; overflow-wrap: anywhere; }
.qris-card img { display: block; width: min(100%, 330px); height: auto; margin: 18px auto 0; border-radius: 6px; background: white; }
.qris-image-link { display: block; }
.open-qris { display: block; width: max-content; margin: 14px auto 0; }
.thanks { margin-top: 28px; color: var(--muted); text-align: center; }

@media (max-width: 680px) {
    .support-header { padding: 0 16px; }
    main { padding-top: 34px; }
    .payment-grid { grid-template-columns: 1fr; }
}