/* ===== Shared site variables & base ===== */
:root {
  --bg: #15171a;
  --panel: #1d2024;
  --line: #2c3036;
  --text: #eceeef;
  --text-dim: #9aa0a8;
  --accent: #5fb3a3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Helvetica Neue", Arial, sans-serif;
}

a { color: inherit; }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px 96px;
}

/* ===== Header / Nav ===== */
#site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 20px;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
}

@media (max-width: 700px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 32px 16px;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }
}

/* ===== Footer ===== */
#site-footer {
  border-top: 1px solid var(--line);
  background: var(--panel);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-inner p {
  color: var(--text-dim);
  font-size: 12px;
  margin: 0;
}

/* ===== Shared page header block (title + intro paragraph) ===== */
.page-header {
  max-width: 1200px;
  margin: 0 auto 48px;
}

.page-header h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-header p {
  color: var(--text-dim);
  font-size: 16px;
  margin: 0;
  max-width: 60ch;
}