:root {
  color-scheme: dark;
  --ink: #e8f0ef;
  --muted: #9aaba9;
  --quiet: #667774;
  --canvas: #091111;
  --panel: #101c1b;
  --panel-raised: #152522;
  --line: #28413b;
  --cyan: #42c8dc;
  --mint: #67d4ad;
  --amber: #e3ad56;
  --red: #eb7f73;
}

* { box-sizing: border-box; }

html { background: var(--canvas); }

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(40, 91, 79, .18), transparent 360px),
    var(--canvas);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #92e7ef; }

.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand-wordmark { display: grid; line-height: 1; }
.brand-wordmark strong { font-size: 18px; letter-spacing: .08em; }
.brand-wordmark span { margin-top: 4px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .14em; }

nav { display: flex; gap: 18px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }

.hero { padding: clamp(56px, 9vw, 118px) 0 56px; }
.eyebrow { margin: 0 0 12px; color: var(--mint); font-size: 11px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { letter-spacing: 0; line-height: 1.08; }
h1 { max-width: 820px; margin: 0; font-size: clamp(48px, 8vw, 92px); }
.hero-copy { max-width: 670px; margin: 24px 0 0; color: var(--muted); font-size: clamp(18px, 2.5vw, 23px); }

.spec-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.spec { min-height: 188px; padding: 24px; background: var(--panel); }
.spec-marker { display: block; width: 28px; height: 3px; margin-bottom: 32px; background: var(--cyan); }
.spec:nth-child(2) .spec-marker { background: var(--mint); }
.spec:nth-child(3) .spec-marker { background: var(--amber); }
.spec:nth-child(4) .spec-marker { background: var(--red); }
.spec h2 { margin: 0; font-size: 16px; }
.spec p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }

.content { width: min(790px, 100%); padding: clamp(50px, 8vw, 96px) 0; }
.content h1 { font-size: clamp(38px, 6vw, 66px); }
.content h2 { margin: 42px 0 10px; font-size: 21px; }
.content p, .content li { color: var(--muted); }
.content ul { padding-left: 22px; }
.content li + li { margin-top: 8px; }
.effective { margin-top: 16px; color: var(--quiet); font-size: 14px; }

.contact-panel { margin-top: 36px; padding: 24px; border: 1px solid var(--line); background: var(--panel-raised); }
.contact-panel h2 { margin-top: 0; }
.contact-panel p:last-child { margin-bottom: 0; }

.site-footer { display: flex; justify-content: space-between; gap: 24px; padding: 28px 0 38px; border-top: 1px solid var(--line); color: var(--quiet); font-size: 13px; }
.site-footer a { color: var(--muted); }

@media (max-width: 800px) {
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 540px) {
  .shell { width: min(100% - 28px, 1160px); }
  .site-header { min-height: 70px; }
  nav { gap: 13px; font-size: 13px; }
  .brand-wordmark span { display: none; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec { min-height: 146px; }
  .spec-marker { margin-bottom: 20px; }
  .site-footer { display: block; }
  .site-footer p + p { margin-top: 12px; }
}