:root {
  --bg: #ffffff; --surface: #fff; --alt: #f5f5f7; --text: #1d1d1f; --muted: #6e6e73;
  --line: #d2d2d7; --btn: #1d1d1f; --btn-text: #fff; --stage: #0b0b0f;
  /* Each track: the bright colour (-b) for bars, dots, buttons and chips; a deeper one for text on white. */
  --linux-b: #f2b33d; --linux: #1d1d1f; --shell-b: #7bd64a; --shell: #41831e; --python-b: #9c9aff; --python: #605dff; --docker-b: #3cc8e0; --docker: #178092;
  --kubernetes-b: #2997ff; --kubernetes: #0073e1; --ansible-b: #ff6b7f; --ansible: #ea0020; --terraform-b: #b294ff; --terraform: #804fff;
  --aws-b: #ff9f40; --aws: #b85b00; --actions-b: #ff7ac6; --actions: #e00080; --devsecops-b: #3ddc97; --devsecops: #188455;
  /* The edge light: a saturated shade that still shows on white. */
  --linux-e: #c38004; --shell-e: #4ca21d; --python-e: #8380ff; --docker-e: #149cb4; --kubernetes-e: #1c91ff;
  --ansible-e: #ff4c65; --terraform-e: #9c75ff; --aws-e: #e17000; --actions-e: #ff3dac; --devsecops-e: #16a265;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000; --surface: #161618; --alt: #0d0d0f; --text: #f5f5f7; --muted: #a1a1a6;
    --line: #2c2c2e; --btn: #f5f5f7; --btn-text: #000; --stage: #111114;
    --linux-b: #f2b33d; --linux: #f2b33d; --shell-b: #7bd64a; --shell: #7bd64a; --python-b: #9c9aff; --python: #9c9aff; --docker-b: #3cc8e0; --docker: #3cc8e0;
    --kubernetes-b: #2997ff; --kubernetes: #2997ff; --ansible-b: #ff6b7f; --ansible: #ff6b7f; --terraform-b: #b294ff; --terraform: #b294ff;
    --aws-b: #ff9f40; --aws: #ff9f40; --actions-b: #ff7ac6; --actions: #ff7ac6; --devsecops-b: #3ddc97; --devsecops: #3ddc97;
    --linux-e: var(--linux-b); --shell-e: var(--shell-b); --python-e: var(--python-b); --docker-e: var(--docker-b); --kubernetes-e: var(--kubernetes-b);
    --ansible-e: var(--ansible-b); --terraform-e: var(--terraform-b); --aws-e: var(--aws-b); --actions-e: var(--actions-b); --devsecops-e: var(--devsecops-b);
  }
}
/* The stage is always dark, so its dots use the dark-mode colours. */
.stage {
  --linux-b: #f2b33d; --shell-b: #7bd64a; --python-b: #9c9aff; --docker-b: #3cc8e0; --kubernetes-b: #2997ff;
  --ansible-b: #ff6b7f; --terraform-b: #b294ff; --aws-b: #ff9f40; --actions-b: #ff7ac6; --devsecops-b: #3ddc97; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.5;
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; gap: 24px; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; text-decoration: none; }
.top-nav { display: flex; gap: 22px; margin-left: auto; font-size: 14px; }
.top-nav a { color: var(--muted); text-decoration: none; }
.top-nav a:hover { color: var(--text); }
.pill { font-size: 14px; padding: 6px 14px; border-radius: 980px; background: var(--btn); color: var(--btn-text); text-decoration: none; }

.hero { padding: 88px 0 72px; text-align: center; }
.eyebrow { margin: 0 0 8px; font-weight: 600; color: var(--muted); }
h1 { margin: 0; font-size: clamp(44px, 8vw, 88px); line-height: 1.04; letter-spacing: -0.03em; font-weight: 700; }
.sub { max-width: 640px; margin: 22px auto 0; font-size: 21px; color: var(--muted); }
.cta { display: flex; gap: 22px; justify-content: center; align-items: center; margin-top: 32px; flex-wrap: wrap; }
.btn { padding: 12px 24px; border-radius: 980px; background: var(--btn); color: var(--btn-text); text-decoration: none; font-weight: 500; }
.link { text-decoration: none; font-weight: 500; }
.btn:hover, .pill:hover { opacity: .86; }
.pill-gh { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px 8px 13px; font-weight: 600; }
.pill-gh svg { flex: none; }
.link:hover, .go:hover { text-decoration: underline; }

.stage { list-style: none; margin: 56px auto 0; padding: 40px 32px; border-radius: 28px; background: var(--stage);
  color: #f5f5f7; display: grid; grid-template-columns: repeat(10, 1fr); gap: 8px; position: relative;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .45); }
.stage::before { content: ""; position: absolute; left: 7%; right: 7%; top: 47px; height: 2px;
  background: linear-gradient(90deg, var(--linux-b), var(--shell-b), var(--python-b), var(--docker-b), var(--kubernetes-b),
    var(--ansible-b), var(--terraform-b), var(--aws-b), var(--actions-b), var(--devsecops-b)); opacity: .55; }
.stop { display: flex; flex-direction: column; align-items: center; gap: 12px; font-size: 13px; color: #c7c7cc; position: relative; }
.dot { width: 16px; height: 16px; border-radius: 50%; background: var(--cb); box-shadow: 0 0 0 4px var(--stage); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); margin: 40px 0 0; border: 1px solid var(--line);
  border-radius: 18px; background: var(--surface); text-align: left; }
.stats div { padding: 22px 24px; }
.stats div + div { border-left: 1px solid var(--line); }
.stats dt { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; }
.stats dd { margin: 2px 0 0; color: var(--muted); font-size: 15px; }

.band { padding: 80px 0; }
.band.alt { background: var(--alt); }
h2 { margin: 0; font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.02em; line-height: 1.1; }
.lead { max-width: 680px; margin: 14px 0 0; color: var(--muted); font-size: 19px; }

.tracks { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; counter-reset: track; }
.card { counter-increment: track; position: relative; display: flex; flex-direction: column; gap: 6px; padding: 26px;
  border-radius: 20px; background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--cb);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .04); transition: transform .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -16px rgba(0, 0, 0, .25); }
.card::after { content: counter(track, decimal-leading-zero); position: absolute; top: 22px; right: 24px; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.card .cmd { align-self: flex-start; margin: 0; padding: 8px 11px; border-radius: 10px; background: #1d1d1f; color: #f5f5f7;
  font: 500 13px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: nowrap; }
.card .cmd span { color: var(--cb); }
/* A short light in the track colour travels round each card's edge, each card at its own point. */
@property --edge { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.card::before { content: ""; position: absolute; inset: -3px -1px -1px; border-radius: inherit; padding: 2.5px; pointer-events: none;
  background: conic-gradient(from var(--edge), transparent 0 64%, color-mix(in srgb, var(--ce) 55%, transparent) 80%, var(--ce) 90%, var(--ce) 97%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: edge 7s linear infinite; animation-delay: calc(var(--i, 0) * -0.7s); }
@keyframes edge { to { --edge: 360deg; } }
.card:nth-child(2) { --i: 1; } .card:nth-child(3) { --i: 2; } .card:nth-child(4) { --i: 3; } .card:nth-child(5) { --i: 4; }
.card:nth-child(6) { --i: 5; } .card:nth-child(7) { --i: 6; } .card:nth-child(8) { --i: 7; } .card:nth-child(9) { --i: 8; } .card:nth-child(10) { --i: 9; }
.card h3 { margin: 10px 0 0; font-size: 21px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .meta { margin-top: auto; padding-top: 12px; color: var(--text); font-size: 14px; font-weight: 500; }
.go { color: var(--c); font-weight: 600; text-decoration: none; font-size: 15px; }
.go::after { content: " ›"; }

.t-linux { --c: var(--linux); --cb: var(--linux-b); --ce: var(--linux-e); } .t-shell { --c: var(--shell); --cb: var(--shell-b); --ce: var(--shell-e); } .t-python { --c: var(--python); --cb: var(--python-b); --ce: var(--python-e); }
.t-docker { --c: var(--docker); --cb: var(--docker-b); --ce: var(--docker-e); } .t-kubernetes { --c: var(--kubernetes); --cb: var(--kubernetes-b); --ce: var(--kubernetes-e); } .t-ansible { --c: var(--ansible); --cb: var(--ansible-b); --ce: var(--ansible-e); }
.t-terraform { --c: var(--terraform); --cb: var(--terraform-b); --ce: var(--terraform-e); } .t-aws { --c: var(--aws); --cb: var(--aws-b); --ce: var(--aws-e); } .t-actions { --c: var(--actions); --cb: var(--actions-b); --ce: var(--actions-e); }
.t-devsecops { --c: var(--devsecops); --cb: var(--devsecops-b); --ce: var(--devsecops-e); }

.fixes { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.fixes a { display: block; padding: 14px 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; font-weight: 500; }
.fixes a::after { content: " ›"; color: var(--muted); }
.fixes a:hover { border-color: var(--muted); }

.how { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 28px 32px; }
.how h3 { margin: 0; font-size: 19px; }
.how p { margin: 4px 0 0; color: var(--muted); font-size: 15px; }
.note { margin: 40px 0 0; padding: 18px 22px; border-radius: 14px; border: 1px solid var(--line); color: var(--muted); font-size: 15px; }

.foot { background: var(--alt); border-top: 1px solid var(--line); padding: 28px 0 44px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.foot .wrap > p { margin: 0 0 12px; max-width: 880px; }
.foot-top { display: flex; align-items: center; justify-content: space-between; gap: 16px 32px; flex-wrap: wrap; padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.foot-brand { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 15px; font-weight: 600; color: var(--text); }
.foot-brand span { font-weight: 400; color: var(--muted); padding-left: 10px; border-left: 1px solid var(--line); }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--text); text-decoration: underline; }
.foot .tm { font-size: 12px; }
.foot .copy { margin-bottom: 0; }

a:focus-visible { outline: 2px solid var(--kubernetes); outline-offset: 3px; border-radius: 6px; }

@media (max-width: 760px) {
  .top-nav { display: none; }
  .pill { margin-left: auto; }
  .hero { padding: 56px 0 48px; }
  .sub { font-size: 18px; }
  .stage { grid-template-columns: repeat(5, 1fr); row-gap: 28px; padding: 28px 12px; }
  .stage::before { display: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div:nth-child(3) { border-left: 0; }
  .stats div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .band { padding: 56px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { transition: none; }
  .card::before { animation: none; display: none; }
  .card:hover { transform: none; }
}