:root {
  --steel-900: #1c2126;
  --steel-700: #39424b;
  --steel-500: #6b7680;
  --steel-200: #d9dee2;
  --steel-100: #eef1f3;
  --white: #ffffff;
  --spark: #e2641b;
  --spark-dark: #b84e12;
  --max: 1080px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--steel-900);
  background: var(--steel-100);
  line-height: 1.6;
  font-size: 18px;
}

a { color: var(--spark-dark); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
header {
  background: var(--steel-900);
  color: var(--white);
  border-bottom: 4px solid var(--spark);
}
header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; padding-top: 16px; padding-bottom: 16px;
}
.brand { color: var(--white); text-decoration: none; line-height: 1.2; }
.brand strong {
  display: block; font-family: "Barlow Condensed", sans-serif;
  font-size: 1.6rem; letter-spacing: .5px; text-transform: uppercase;
}
.brand span { font-size: .85rem; color: var(--steel-200); letter-spacing: 2px; text-transform: uppercase; }
nav a {
  color: var(--white); text-decoration: none; margin-left: 22px;
  font-weight: 600; text-transform: uppercase; font-size: .9rem; letter-spacing: 1px;
}
nav a:hover, nav a[aria-current="page"] { color: var(--spark); }

/* Hero */
.hero {
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.03) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, var(--steel-700), var(--steel-900));
  color: var(--white);
  padding: 72px 0 64px;
}
.hero h1 {
  font-family: "Barlow Condensed", sans-serif; text-transform: uppercase;
  font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.05; margin: 0 0 14px;
}
.hero p { font-size: 1.2rem; color: var(--steel-200); max-width: 620px; margin: 0 0 28px; }

.btn {
  display: inline-block; background: var(--spark); color: var(--white);
  padding: 13px 26px; border-radius: 4px; text-decoration: none;
  font-weight: 700; text-transform: uppercase; letter-spacing: 1px; font-size: .95rem;
  margin: 0 10px 10px 0;
}
.btn:hover { background: var(--spark-dark); }
.btn.ghost { background: transparent; border: 2px solid var(--white); }
.btn.ghost:hover { background: var(--white); color: var(--steel-900); }

/* Content */
main { padding: 48px 0; }
section + section { margin-top: 40px; }
h2 {
  font-family: "Barlow Condensed", sans-serif; text-transform: uppercase;
  font-size: 1.9rem; margin: 0 0 14px; color: var(--steel-900);
}
.card {
  background: var(--white); border-radius: 6px; padding: 28px;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.notice { border-left: 6px solid var(--spark); }
.notice h2 { font-size: 1.5rem; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid .card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.grid .card p { margin: 0; color: var(--steel-700); }

.info dt { font-weight: 700; text-transform: uppercase; font-size: .8rem; letter-spacing: 1.5px; color: var(--steel-500); margin-top: 16px; }
.info dt:first-child { margin-top: 0; }
.info dd { margin: 2px 0 0; font-size: 1.15rem; }

.tag {
  display: inline-block; background: var(--steel-900); color: var(--white);
  font-size: .75rem; padding: 2px 8px; border-radius: 3px; text-transform: uppercase;
  letter-spacing: 1px; vertical-align: middle; margin-left: 6px;
}
.callout { background: var(--steel-200); padding: 14px 18px; border-radius: 4px; font-weight: 600; }

/* Footer */
footer { background: var(--steel-900); color: var(--steel-200); padding: 32px 0; font-size: .95rem; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer a { color: var(--white); }

@media (max-width: 600px) {
  nav a { margin: 0 18px 0 0; }
  .card { padding: 22px; }
}