/* ─── Tokens ───────────────────────────────────── */
:root {
  --red:     #C62828;
  --red-mid: #D32F2F;
  --ink:     #111111;
  --ink-2:   #444444;
  --ink-3:   #767676;
  --line:    #E3DFD9;
  --surface: #F7F5F1;
  --white:   #FFFFFF;
  --radius:  8px;
  --max:     1080px;
}

/* ─── Reset ────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", sans-serif;
  background: var(--white);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

/* ─── Type ─────────────────────────────────────── */
h1, h2, h3 {
  font-family: "Fraunces", serif;
  font-weight: 600;
  color: var(--ink);
}
.label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 1.1px; text-transform: uppercase;
  color: var(--red);
  font-family: "Inter", sans-serif;
}

/* ─── Nav ──────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-brand { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.nav-logo { height: 32px; width: auto; }
.nav-back { font-size: 13.5px; color: var(--ink-3); text-decoration: none; }
.nav-back:hover { color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  font-size: 13.5px; font-weight: 500;
  color: var(--ink-2); text-decoration: none;
  padding: 6px 13px; border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--surface); color: var(--ink); }
.nav-link.active { color: var(--ink); font-weight: 600; }
.nav-cta {
  margin-left: 10px;
  font-size: 13.5px; font-weight: 600;
  color: var(--white); text-decoration: none;
  background: var(--ink);
  padding: 8px 18px; border-radius: 6px;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--red); }
.nav-right { font-size: 13.5px; color: var(--ink-3); }
.nav-right a { color: var(--red); font-weight: 500; text-decoration: none; }

/* ─── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: "Inter", sans-serif;
  font-size: 14px; font-weight: 600;
  text-decoration: none;
  padding: 12px 24px; border-radius: 7px;
  transition: all 0.15s;
}
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-mid); }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--red); }
.btn-ghost { color: var(--ink-3); background: transparent; border: 1.5px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink-3); color: var(--ink); }
.btn svg { width: 14px; height: 14px; }

/* ─── Sub-page header ───────────────────────────── */
.page-header {
  padding: 116px 40px 64px;
  border-bottom: 1px solid var(--line);
  max-width: var(--max);
  margin: 0 auto;
}
.page-header p {
  font-size: 17px; color: var(--ink-3);
  line-height: 1.75; max-width: 520px;
}
.page-header-affil {
  display: flex; align-items: center; gap: 10px;
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--ink-3); font-weight: 500;
}
.page-header-affil::before {
  content: "IH";
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 7px;
  background: var(--ink); color: #fff;
  font-family: "Fraunces", serif; font-size: 12px; font-weight: 600;
  flex-shrink: 0;
}
@media (max-width: 860px) { .page-header { padding: 92px 20px 48px; } }

/* ─── Section shell ────────────────────────────── */
.section { padding: 84px 40px; border-bottom: 1px solid var(--line); }
.section-inner { max-width: var(--max); margin: 0 auto; }
.section-sub {
  font-size: 15.5px; color: var(--ink-3); line-height: 1.7;
  max-width: 480px; margin-top: 12px;
}

/* ─── Footer ───────────────────────────────────── */
footer {
  padding: 28px 40px;
  background: #0D0D0D;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.footer-logo-wrap { background: #fff; border-radius: 6px; padding: 4px 7px; display: flex; align-items: center; }
.footer-logo { height: 18px; width: auto; display: block; }
.footer-name {
  font-family: "Fraunces", serif;
  font-size: 14px; font-weight: 600;
  color: rgba(255,255,255,0.6);
}
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-link {
  font-size: 12px; color: rgba(255,255,255,0.28);
  text-decoration: none; transition: color 0.15s;
}
.footer-link:hover { color: rgba(255,255,255,0.65); }
.footer-copy {
  width: 100%;
  font-size: 11px; color: rgba(255,255,255,0.18);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 16px; margin-top: 4px;
  text-align: left;
}
.footer-copy a { color: rgba(255,255,255,0.18); text-decoration: none; }

/* ─── Shared responsive ────────────────────────── */
@media (max-width: 860px) {
  nav { padding: 0 20px; }
  .nav-links .nav-link { display: none; }
  .section { padding: 60px 20px; }
}