:root {
  --bg: #0b1420;
  --bg2: #101c2c;
  --card: #16263a;
  --line: #24405e;
  --ink: #eaf2fb;
  --dim: #8fa8c4;
  --blue: #304cb6;
  --red: #e01933;
  --gold: #f0b323;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  background-attachment: fixed;
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* header */
header {
  background:
    radial-gradient(1200px 300px at 50% -120px, rgba(48,76,182,.45), transparent 70%),
    linear-gradient(180deg, var(--blue), #1b2f66);
  border-bottom: 4px solid var(--red);
  padding: 42px 0 34px;
  text-align: center;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  padding: 6px 12px;
  border: 1px solid rgba(240,179,35,.7);
  border-radius: 999px;
  color: var(--gold);
  margin-bottom: 16px;
}

header h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.05;
  letter-spacing: -.02em;
  text-shadow: 0 3px 0 rgba(0,0,0,.28);
}

.sub { margin: 10px 0 0; color: #c8d8f0; font-size: 14px; }

/* grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
  padding: 34px 0 12px;
}

.card {
  position: relative;
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--red);
  box-shadow: 0 14px 30px rgba(0,0,0,.42);
}

.card img {
  display: block;
  width: 100%;
  height: auto;
  background: #0a121d;
}

figcaption {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.cap-top {
  display: block;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.cap-bot { display: block; color: var(--dim); }

.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
  background: rgba(11,20,32,.82);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 6px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .16s ease;
}

.card:hover .copy, .copy:focus-visible { opacity: 1; }
.copy:hover { background: var(--red); border-color: var(--red); }

/* footer */
.foot {
  margin: 26px 0 0;
  padding: 20px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 420px) {
  .grid { grid-template-columns: 1fr; }
}