@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── TOKENS ─────────────────────────────────────────── */
:root {
  --charcoal:    #1e2023;
  --charcoal-2:  #2b2f33;
  --slate:       #3d5a73;
  --slate-light: #5a7d9a;
  --brass:       #b89a5e;
  --brass-light: #d4b87a;
  --greige:      #f2efe9;
  --greige-2:    #e8e4db;
  --white:       #fafaf8;
  --text-dark:   #1e2023;
  --text-mid:    #4a4f55;
  --text-light:  #7a8088;
  --danger:      #c0392b;
  --success:     #2e7d4f;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --max-w: 1100px;
  --radius: 3px;
  --shadow: 0 2px 16px rgba(30,32,35,0.10);
  --shadow-lg: 0 8px 40px rgba(30,32,35,0.16);
}

/* ── RESET ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── UTILITY ────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--greige { background: var(--greige); }
.section--dark { background: var(--charcoal); color: var(--white); }
.section--slate { background: var(--slate); color: var(--white); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 12px;
  display: block;
}
.eyebrow--light { color: var(--brass-light); }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

.lead { font-size: 1.125rem; color: var(--text-mid); line-height: 1.75; max-width: 640px; }
.lead--light { color: rgba(255,255,255,0.78); }

/* ── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  letter-spacing: 0.04em; padding: 13px 28px;
  border: none; cursor: pointer; transition: all 0.18s ease;
  border-radius: var(--radius);
}
.btn-primary {
  background: var(--brass); color: var(--charcoal);
}
.btn-primary:hover { background: var(--brass-light); transform: translateY(-1px); box-shadow: var(--shadow); }

.btn-outline {
  background: transparent; color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: var(--brass-light); color: var(--brass-light); }

.btn-dark {
  background: var(--charcoal); color: var(--white);
}
.btn-dark:hover { background: var(--charcoal-2); transform: translateY(-1px); }

.btn-slate {
  background: var(--slate); color: var(--white);
}
.btn-slate:hover { background: var(--slate-light); transform: translateY(-1px); }

.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── NAV ────────────────────────────────────────────── */
.nav {
  background: var(--charcoal);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky; top: 0; z-index: 100;
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
}
.nav__logo {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  color: var(--white); letter-spacing: -0.01em;
}
.nav__logo span { color: var(--brass); }
.nav__links { display: flex; gap: 28px; align-items: center; }
.nav__links a {
  font-size: 0.85rem; font-weight: 500; color: rgba(255,255,255,0.65);
  transition: color 0.15s;
}
.nav__links a:hover, .nav__links a.active { color: var(--white); }
.nav__links a.btn { color: var(--charcoal); }
.nav__toggle {
  display: none; background: none; border: 0; cursor: pointer;
  padding: 8px; margin: -8px -8px -8px 0;
}
.nav__toggle span {
  display: block; width: 22px; height: 2px; background: var(--white);
  margin: 5px 0; transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ── FOOTER ─────────────────────────────────────────── */
.footer {
  background: var(--charcoal-2);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px 0 32px;
  color: rgba(255,255,255,0.55);
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 40px;
}
.footer__logo {
  font-family: var(--font-display); font-size: 1.2rem;
  color: var(--white); margin-bottom: 10px;
}
.footer__logo span { color: var(--brass); }
.footer p { font-size: 0.875rem; line-height: 1.65; }
.footer h4 { font-family: var(--font-body); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4);
  margin-bottom: 14px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer ul a { font-size: 0.875rem; color: rgba(255,255,255,0.55); transition: color 0.15s; }
.footer ul a:hover { color: var(--brass-light); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px; display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem;
}
.footer__bottom a { color: rgba(255,255,255,0.4); }
.footer__bottom a:hover { color: var(--brass-light); }

/* ── RULE DIVIDER ───────────────────────────────────── */
.rule { border: none; border-top: 1px solid var(--greige-2); margin: 0; }
.rule--brass { border-color: var(--brass); width: 48px; margin: 20px 0; }

/* ── CALLOUT BOX ────────────────────────────────────── */
.callout {
  border-left: 3px solid var(--brass);
  background: var(--greige); padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout--danger { border-color: var(--danger); }
.callout--success { border-color: var(--success); }

/* ── CHECKLIST ──────────────────────────────────────── */
.checklist { list-style: none; }
.checklist li {
  padding: 8px 0 8px 28px; position: relative;
  border-bottom: 1px solid var(--greige-2); font-size: 0.95rem;
}
.checklist li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--success); font-weight: 700;
}
.checklist--danger li::before { content: '🚩'; }

/* ── FORMS ──────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 6px;
  color: var(--text-mid); }
.form-input {
  width: 100%; padding: 12px 16px;
  border: 1.5px solid var(--greige-2); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.95rem; color: var(--text-dark);
  background: var(--white); transition: border-color 0.15s;
}
.form-input:focus { outline: none; border-color: var(--slate); }
.form-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; }

/* ── BADGE ──────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 3px 10px;
  font-family: var(--font-mono); font-size: 0.75rem;
  border-radius: 2px; font-weight: 500;
}
.badge--brass { background: var(--brass); color: var(--charcoal); }
.badge--slate { background: var(--slate); color: var(--white); }
.badge--greige { background: var(--greige-2); color: var(--text-mid); }

/* ── CARD ───────────────────────────────────────────── */
.card {
  background: var(--white); border: 1px solid var(--greige-2);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow); transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card--dark { background: var(--charcoal-2); border-color: rgba(255,255,255,0.06); color: var(--white); }
.card--featured { border-top: 3px solid var(--brass); }

/* ── TABLE ──────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th {
  background: var(--charcoal); color: var(--white);
  padding: 12px 16px; text-align: left;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
}
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--greige-2); }
.data-table tr:hover td { background: var(--greige); }
.data-table tr:last-child td { border-bottom: none; }

/* ── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }

  /* Mobile nav: hamburger reveals a full slide-down menu */
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--charcoal);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow-lg);
    padding: 8px 16px 16px;
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links a {
    padding: 14px 8px; font-size: 0.95rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav__links a.btn {
    margin-top: 12px; padding: 14px; text-align: center;
    border-bottom: none;
  }
  .nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle.open span:nth-child(2) { opacity: 0; }
  .nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}