/* The Sprinter EA — shared styles */
:root {
  color-scheme: dark;
  --bg: #101420;
  --panel: #181f2e;
  --panel-2: #141a28;
  --border: #2c364c;
  --accent: #00a8ff;
  --accent-hover: #2eb8ff;
  --title: #ecf0f6;
  --textc: #d6dee8;
  --muted: #7e8aa0;
  --body: #9aa6ba;
  --green: #2ecc71;
  --red: #eb5757;
  --amber: #f2c94c;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--textc);
  font: 16px/1.65 "Segoe UI", system-ui, -apple-system, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; }

/* nav */
nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 26px;
  padding: 14px 28px; background: rgba(16,20,32,.92);
  border-bottom: 1px solid var(--border); backdrop-filter: blur(8px);
}
nav .brand { font-weight: 700; letter-spacing: .08em; color: var(--title); font-size: 15px; }
nav .brand span { color: var(--accent); }
nav .links { display: flex; gap: 20px; flex: 1; flex-wrap: wrap; }
nav .links a { color: var(--body); font-size: 14px; }
nav .links a:hover { color: var(--title); }

/* buttons */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px; border: 0;
  background: var(--accent); color: #fff; font-weight: 600; font-size: 15px;
  cursor: pointer; text-align: center;
}
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--textc); }
.btn.secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn.small { padding: 8px 18px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* layout */
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
section { padding: 72px 0; }
section.alt { background: var(--panel-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h1 { font-size: 40px; line-height: 1.2; color: var(--title); margin: 0 0 14px; }
h2 { font-size: 27px; color: var(--title); margin: 0 0 8px; }
.kicker { color: var(--accent); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; margin-bottom: 10px; }
.lead { color: var(--body); font-size: 17px; max-width: 640px; }
p { color: var(--body); }

/* cards & grids */
.grid { display: grid; gap: 18px; margin-top: 34px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } h1 { font-size: 31px; } }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 24px;
}
.card h3 { margin: 0 0 6px; color: var(--title); font-size: 17px; }
.card p { margin: 0; font-size: 14px; }

/* forms */
.form-card { max-width: 400px; margin: 70px auto; }
label { display: block; font-size: 13px; color: var(--muted); margin: 16px 0 6px; }
input[type=text], input[type=email], input[type=password], select {
  width: 100%; padding: 11px 13px; border-radius: 8px; font-size: 15px;
  background: var(--bg); color: var(--textc); border: 1px solid var(--border);
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.error { color: var(--red); font-size: 13px; min-height: 18px; margin-top: 12px; }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 10px 12px; border-bottom: 1px solid var(--border); }
td { padding: 12px; border-bottom: 1px solid var(--border); }
.mono { font-family: Consolas, monospace; }
.chip { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.chip.green { background: rgba(46,204,113,.12); color: var(--green); }
.chip.red { background: rgba(235,87,87,.12); color: var(--red); }
.chip.gray { background: rgba(126,138,160,.12); color: var(--muted); }

/* FAQ */
details { border: 1px solid var(--border); border-radius: 10px; background: var(--panel); padding: 0 20px; margin-bottom: 10px; }
summary { cursor: pointer; padding: 16px 0; color: var(--title); font-weight: 600; font-size: 15px; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--accent); font-size: 18px; }
details[open] summary::after { content: "\2212"; }
details p { margin: 0 0 16px; font-size: 14px; }

/* misc */
.accent-bar { width: 44px; height: 4px; background: var(--accent); border-radius: 2px; margin-bottom: 20px; }
.badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.badge { font-size: 12px; color: var(--muted); border: 1px solid var(--border); padding: 6px 14px; border-radius: 20px; }
/* screenshot lightbox */
.shot { display: block; width: 100%; cursor: zoom-in; border-radius: 6px; transition: opacity .15s ease; }
.shot:hover { opacity: .85; }
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(10,13,20,.93); backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none; transition: opacity .22s ease;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox figure {
  margin: 0; max-width: 94vw; max-height: 82vh; overflow: auto;
  border: 1px solid var(--border); border-radius: 10px; background: #0b0e16;
  transform: scale(.96); transition: transform .22s ease;
  scrollbar-width: thin;
}
.lightbox.open figure { transform: scale(1); }
.lightbox img { display: block; max-width: 94vw; max-height: 82vh; width: auto; height: auto; cursor: zoom-in; }
.lightbox.zoomed img { max-width: none; max-height: none; cursor: zoom-out; }
.lb-caption { color: var(--body); font-size: 14px; margin: 14px 0 0; text-align: center; padding: 0 20px; }
.lb-hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.lb-btn {
  position: fixed; z-index: 101; width: 44px; height: 44px; border-radius: 50%;
  background: rgba(24,31,46,.9); border: 1px solid var(--border); color: var(--textc);
  font-size: 20px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.lb-btn:hover { border-color: var(--accent); color: var(--accent); }
.lb-close { top: 18px; right: 18px; }
.lb-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 14px; top: 50%; transform: translateY(-50%); }
@media (max-width: 700px) {
  .lb-prev, .lb-next { top: auto; bottom: 16px; transform: none; }
  .lb-prev { left: 22%; } .lb-next { right: 22%; }
}

footer { border-top: 1px solid var(--border); padding: 40px 0 50px; }
footer p { font-size: 12px; color: var(--muted); }
.note { font-size: 12px; color: var(--muted); }