/* Consul Services & Integrations (CSI) — site shell
   Brand system shared with the discovery PDFs. */

:root {
  --ink: #1c2a3a;
  --ink-2: #16212e;
  --ink-soft: #3a4756;
  --brass: #9a8455;
  --brass-bright: #b89a63;
  --oxblood: #6e2b2b;
  --cream: #f7f3ea;
  --cream-2: #fbf8f1;
  --rule: #ddd4c2;
  --muted: #6b6b6b;
  --body: #ffffff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Arial, sans-serif;
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink-soft);
  background: var(--body);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--serif); color: var(--ink); line-height: 1.15; font-weight: 600; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand-mark { font-family: var(--serif); font-size: 19px; letter-spacing: 5px; color: var(--ink); }
.brand-sub { font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--brass); margin-top: 4px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 14px; letter-spacing: 0.3px; color: var(--ink-soft); white-space: nowrap; transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  border: 1px solid var(--ink); color: var(--ink) !important;
  padding: 9px 18px; border-radius: 2px; font-weight: 600;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.nav-cta:hover { background: var(--ink); color: var(--cream) !important; }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; color: var(--ink); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  background: var(--ink);
  color: var(--cream);
  padding: 120px 0 128px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle at center, rgba(154,132,85,0.18), transparent 70%);
}
.hero-inner { position: relative; max-width: 820px; }
.eyebrow {
  font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--brass-bright); margin-bottom: 22px;
}
.hero h1 { color: var(--cream); font-size: 56px; margin-bottom: 22px; }
.hero-lead { font-size: 20px; color: #c7cdd4; max-width: 660px; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 14px 28px; border-radius: 2px;
  font-size: 15px; font-weight: 600; letter-spacing: 0.3px;
  cursor: pointer; transition: transform .12s, background .15s, color .15s, border-color .15s;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brass); color: var(--ink); }
.btn-primary:hover { background: var(--brass-bright); }
.btn-ghost { border-color: rgba(255,255,255,0.4); color: var(--cream); }
.btn-ghost:hover { border-color: var(--cream); }
.btn-block { width: 100%; border: 0; font-size: 16px; }

/* ---------- Principle strip ---------- */
.strip { background: var(--cream); border-bottom: 1px solid var(--rule); }
.strip-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding: 44px 28px; }
.strip-k { display: block; font-family: var(--serif); font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.strip-item p { font-size: 15px; color: var(--ink-soft); margin: 0; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--cream-2); }
.kicker { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--brass); margin-bottom: 14px; }
.kicker-light { color: var(--brass-bright); }
.section-title { font-size: 38px; max-width: 760px; margin-bottom: 18px; }
.section-title.light { color: var(--cream); }
.section-lead { font-size: 18px; max-width: 640px; margin-bottom: 8px; color: var(--ink-soft); }
.section-lead.light { color: #c7cdd4; }

/* ---------- Capability grid ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.card {
  background: #fff; border: 1px solid var(--rule); border-top: 3px solid var(--ink);
  padding: 28px 26px; border-radius: 2px;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(28,42,58,0.08); }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 15px; margin: 0; color: var(--ink-soft); }

/* ---------- Steps ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 44px; counter-reset: step; }
.steps li { border-top: 1px solid var(--rule); padding-top: 20px; }
.step-n { font-family: var(--serif); font-size: 30px; color: var(--brass); display: block; margin-bottom: 12px; }
.steps h3 { font-size: 19px; margin-bottom: 8px; }
.steps p { font-size: 15px; margin: 0; }

/* ---------- Tiers ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.tier-card {
  border: 1px solid var(--rule); padding: 32px 28px; border-radius: 2px;
  background: #fff; display: flex; flex-direction: column;
}
.tier-feature { border-color: var(--brass); box-shadow: 0 16px 40px rgba(28,42,58,0.10); }
.tier-tag { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--brass); margin-bottom: 16px; }
.tier-card h3 { font-size: 23px; margin-bottom: 12px; }
.tier-card p { font-size: 15px; margin: 0; color: var(--ink-soft); }

/* ---------- CTA / dark ---------- */
.section-dark { background: var(--ink); }
.cta-wrap { max-width: 720px; }
.cta-form { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 36px; }
.field { display: flex; flex-direction: column; flex: 1 1 240px; }
.field-full { flex: 1 1 100%; }
.field input, .field textarea { width: 100%; }
.field label { font-size: 13px; letter-spacing: 0.5px; color: #c7cdd4; margin-bottom: 8px; }
.field input, .field textarea {
  font-family: var(--sans); font-size: 16px; color: var(--cream);
  background: rgba(255,255,255,0.06); border: 1px solid #3a4756;
  border-radius: 2px; padding: 12px 14px; transition: border-color .15s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brass); }
.field input::placeholder, .field textarea::placeholder { color: #7d8794; }
.form-note { font-size: 13px; color: #8a94a0; margin: 12px 0 0; text-align: center; }

/* ---------- Footer ---------- */
.footer { background: var(--ink-2); color: #aeb6bf; padding: 56px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; flex-wrap: wrap; }
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer .brand-mark { color: var(--cream); letter-spacing: 6px; }
.footer-tag { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--brass); }
.footer-meta { text-align: right; font-size: 14px; }
.footer-meta p { margin: 0 0 6px; }
.footer-meta a { color: var(--brass-bright); }
.footer-fine { font-size: 12px; color: #6c757f; margin-top: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .nav-links {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: #fff;
    border-bottom: 1px solid var(--rule); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 16px 28px; width: 100%; border-top: 1px solid var(--rule); }
  .nav-cta { border: 0; border-radius: 0; }
  .nav-toggle { display: block; }
  .hero { padding: 84px 0 88px; }
  .hero h1 { font-size: 40px; }
  .hero-lead { font-size: 18px; }
  .strip-inner, .grid, .steps, .tiers { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .section-title { font-size: 30px; }
  .cta-form { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-meta { text-align: left; }
}