/* ============================================================
   HARD HAT PRESS — shared design system
   Extends the book-cover branding: charcoal, hazard stripe,
   signal red. Same visual language across covers and web.
   ============================================================ */

:root {
  --bg: #17171a;
  --bg-elevated: #212124;
  --bg-elevated-2: #29292d;
  --yellow: #f2b705;
  --red: #c00000;
  --red-bright: #e01313;
  --white: #f5f4f0;
  --gray: #a3a2a0;
  --gray-dim: #6f6e6c;
  --border: #37373a;
  --display: 'Oswald', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
  --container: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- hazard stripe (signature element) ---------- */
.hazard-stripe {
  height: 14px;
  width: 100%;
  background: repeating-linear-gradient(
    45deg,
    var(--yellow),
    var(--yellow) 18px,
    var(--bg) 18px,
    var(--bg) 36px
  );
}

/* ---------- header / nav ---------- */
.site-header {
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
}
.brand span { color: var(--red-bright); }
.nav-links {
  display: flex;
  gap: 34px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.nav-links a { color: var(--gray); transition: color 0.15s; }
.nav-links a:hover { color: var(--yellow); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 3px;
  transition: transform 0.12s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--red);
  color: var(--white);
  border: 1px solid var(--red);
}
.btn-primary:hover { background: var(--red-bright); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--gray-dim);
}
.btn-secondary:hover { border-color: var(--yellow); color: var(--yellow); }
.btn-block { display: block; text-align: center; width: 100%; }

/* ---------- hero ---------- */
.hero {
  padding: 90px 0 80px;
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--yellow);
}
h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: -0.5px;
  max-width: 820px;
  margin-bottom: 26px;
}
.hero p.lede {
  font-size: 19px;
  color: var(--gray);
  max-width: 620px;
  margin-bottom: 38px;
  line-height: 1.65;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- section titles ---------- */
.section { padding: 80px 0; border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin-bottom: 48px; }
h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 34px;
  letter-spacing: -0.3px;
  margin-bottom: 14px;
}
.section-head p { color: var(--gray); font-size: 16.5px; }

/* ---------- catalog grid (spec-plate cards) ---------- */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.plate {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 22px 22px 20px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.plate:hover { border-color: var(--yellow); transform: translateY(-2px); }
.plate .plate-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gray-dim);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.plate h3 {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.plate .plate-std {
  font-size: 13.5px;
  color: var(--gray);
  line-height: 1.5;
  margin-bottom: 16px;
  min-height: 40px;
}
.plate .plate-link {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--yellow);
}

/* ---------- standards strip ---------- */
.standards-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--gray);
  letter-spacing: 0.3px;
}
.standards-strip li::before { content: '— '; color: var(--red-bright); }

/* ---------- pull quote ---------- */
.pull-quote {
  border-left: 3px solid var(--yellow);
  padding: 6px 0 6px 26px;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--white);
  margin: 36px 0;
}
.pull-quote cite {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 13px;
  color: var(--gray-dim);
  margin-top: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---------- two-column layout ---------- */
.cols-2 {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 860px) {
  .cols-2 { grid-template-columns: 1fr; }
  h1 { font-size: 40px; }
}

/* ---------- buy box ---------- */
.buy-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 30px;
  position: sticky;
  top: 30px;
}
.buy-box .price {
  font-family: var(--display);
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 4px;
}
.buy-box .price-note {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--gray-dim);
  margin-bottom: 24px;
}
.buy-box ul { margin: 22px 0; }
.buy-box li {
  font-size: 14.5px;
  color: var(--gray);
  padding-left: 20px;
  position: relative;
  margin-bottom: 10px;
}
.buy-box li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--yellow);
  font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--border); padding: 22px 0; }
.faq-item h3 { font-family: var(--display); font-size: 18px; font-weight: 600; margin-bottom: 10px; }
.faq-item p { color: var(--gray); font-size: 15.5px; }

/* ---------- footer ---------- */
.site-footer { padding: 50px 0; }
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.site-footer p { font-size: 13.5px; color: var(--gray-dim); font-family: var(--mono); }
.footer-links { display: flex; gap: 26px; font-size: 13.5px; font-family: var(--mono); color: var(--gray); }
.footer-links a:hover { color: var(--yellow); }

/* ---------- blog ---------- */
.article-meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gray-dim);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.article-body h2 { margin-top: 44px; font-size: 26px; }
.article-body p { margin-bottom: 20px; color: var(--gray); font-size: 17px; }
.article-body p strong { color: var(--white); }
.article-body ul { margin: 20px 0 28px 0; }
.article-body li {
  color: var(--gray);
  padding-left: 22px;
  position: relative;
  margin-bottom: 10px;
}
.article-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--yellow);
}
.cta-inline {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: 4px;
  padding: 26px 28px;
  margin: 36px 0;
}
.cta-inline p { color: var(--white); margin-bottom: 16px; }