:root {
    --bg: #1a1a1a;
    --bg-2: #202020;
    --line: #353535;
    --ink: #e6e6e6;
    --ink-2: #b4b4b4;
    --muted: #8a8a8a;
    --brand: #e65100;
    --brand-2: #ff6d00;
    --wrap: 1120px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.site-header img { height: 30px; display: block; }
.site-header nav a { color: var(--ink-2); margin-left: 28px; font-size: 15px; }
.site-header nav a:hover { color: var(--ink); text-decoration: none; }

/* Hero */
.hero { padding: 72px 0 40px; }
.hero h1 { font-size: 44px; line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 18px; max-width: 18ch; }
.hero p.lead { font-size: 19px; color: var(--ink-2); max-width: 46rem; margin: 0 0 30px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.button {
    display: inline-block; background: var(--brand); color: #fff; font-weight: 600;
    padding: 12px 22px; border-radius: 6px;
}
.button:hover { background: var(--brand-2); text-decoration: none; }
.actions .note { color: var(--muted); font-size: 14px; }

.shot { margin: 48px 0 0; }
.shot img {
    display: block; width: 100%; height: auto;
    border: 1px solid var(--line); border-radius: 8px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.shot figcaption { color: var(--muted); font-size: 14px; margin-top: 12px; }

/* Sections */
section { padding: 72px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 28px; letter-spacing: -0.01em; margin: 0 0 8px; }
section .sub { color: var(--ink-2); margin: 0 0 36px; max-width: 46rem; }

.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 56px; margin: 0; }
.features div { border-left: 2px solid var(--line); padding-left: 18px; }
.features dt { font-weight: 600; margin-bottom: 4px; }
.features dd { margin: 0; color: var(--ink-2); }

.certificate { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 56px; align-items: start; }
.certificate img {
    display: block; width: 100%; height: auto; background: #fff;
    border-radius: 4px; box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5);
}
.certificate ul { margin: 0; padding-left: 20px; color: var(--ink-2); }
.certificate li { margin-bottom: 12px; }
.certificate li strong { color: var(--ink); font-weight: 600; }

.downloads { width: 100%; border-collapse: collapse; }
.downloads th, .downloads td { text-align: left; padding: 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.downloads th { width: 34%; font-weight: 600; }
.downloads td a { margin-right: 22px; white-space: nowrap; }
.downloads td small { color: var(--muted); display: block; margin-top: 2px; }

.prose { max-width: 46rem; }
.prose h2 { font-size: 22px; margin: 36px 0 8px; }
.prose p { color: var(--ink-2); }
.prose h1 { font-size: 36px; letter-spacing: -0.02em; margin: 0 0 6px; }
.prose .meta { color: var(--muted); margin: 0 0 28px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-footer a { color: var(--ink-2); margin-left: 22px; }

@media (max-width: 820px) {
    .hero { padding-top: 48px; }
    .hero h1 { font-size: 34px; }
    .features, .certificate { grid-template-columns: 1fr; }
    .downloads th { width: auto; display: block; border-bottom: 0; padding-bottom: 2px; }
    .downloads td { display: block; padding-top: 0; }
    .site-header nav a { margin-left: 18px; }
}