/* QuadCore shared design system — Brandbook v4 aligned */
:root {
  /* Core palette — from brandbook */
  --bg:        #F5F1E8;  /* Warm Cream */
  --bg-sunk:   #EDE9DF;  /* Parchment */
  --bg-card:   #FDFCF8;  /* Card surface */
  --paper:     #EDE9DF;  /* Parchment */
  --ink:       #1B1916;  /* Deep Ink */
  --ink-soft:  #4A4540;  /* Ink 3 */
  --ink-mute:  #8A857E;  /* Warm Ash */
  --rule:      #D4CFC6;
  --rule-soft: #E4E0D6;
  --accent:    #00BFB3;  /* Teal */
  --accent-ink:#009E94;  /* Deep Teal (hover/shade) */
  --accent-l:  #33CFC4;  /* Light Teal */

  --sans: 'Mulish', ui-sans-serif, system-ui, sans-serif;
  --mono: 'Courier New', ui-monospace, monospace;
  --serif:'Cormorant Garamond', Georgia, serif;

  --maxw: 1280px;
  --pad: 56px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.eyebrow { font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); display: inline-flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ''; display: inline-block; width: 22px; height: 1px; background: var(--accent); }
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.italic { font-style: italic; }

/* BRAND MARK — 4-pillar SVG helper (inline each time) */
.brand-mark { width: 22px; height: 22px; display: inline-block; }

/* NAV */
nav.top {
  position: sticky; top: 0; z-index: 40;
  background: rgba(245,241,232,0.93);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
nav.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); font-weight: 400; font-size: 20px; letter-spacing: 0.01em; color: var(--ink); }
.brand .tag { font-family: var(--sans); font-size: 10px; font-weight: 600; color: var(--ink-mute); letter-spacing: 0.12em; text-transform: uppercase; margin-left: 4px; }
.nav-links { display: flex; gap: 36px; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); }
.nav-links a { transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px; border: 1px solid var(--ink); border-radius: 2px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink); transition: background .2s, color .2s;
}
.nav-cta:hover { background: var(--ink); color: var(--bg); }
.nav-cta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: 2px; cursor: pointer;
  border: 1px solid transparent; font-family: var(--sans);
  transition: transform .2s, background .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); color: #fff; transform: translateY(-1px); }
.btn-ghost { color: var(--ink); border-color: var(--rule); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.arr { width: 14px; height: 14px; }

/* PAGE HEADER */
.page-head { padding: 108px 0 64px; border-bottom: none; }
.page-head .kicker {
  display: grid; grid-template-columns: 200px 1fr; gap: 48px;
  padding-bottom: 28px; border-bottom: 1px solid var(--rule);
  margin-bottom: 56px; align-items: baseline;
}
.page-head .kicker .l { font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 0.16em; color: var(--accent); text-transform: uppercase; }
.page-head .kicker .r { font-size: 15px; color: var(--ink-soft); max-width: 58ch; line-height: 1.85; }
.page-head h1 {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(64px, 9vw, 128px); line-height: 1.0; letter-spacing: -0.02em;
  margin: 0 0 48px; max-width: 18ch; color: var(--ink);
}
.page-head h1 em { font-style: italic; color: var(--accent); }
.page-head .sub {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px;
  padding-top: 32px; border-top: 1px solid var(--rule);
}
.page-head .sub .lede {
  font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.3;
  letter-spacing: -0.01em; max-width: 28ch;
}
.page-head .sub .lede em { font-style: italic; color: var(--accent); }
.page-head .sub .meta { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 28px; }
.meta-pair .k { font-family: var(--sans); font-size: 10px; font-weight: 600; color: var(--ink-mute); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px; }
.meta-pair .v { color: var(--ink); font-size: 14px; line-height: 1.55; }

/* SECTION HEADS */
section { padding: 112px 0; }
.section-head {
  display: grid; grid-template-columns: 220px 1fr 260px; gap: 48px;
  align-items: end; margin-bottom: 56px;
}
.section-head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: 56px; line-height: 1.05; letter-spacing: -0.015em; margin: 0;
}
.section-head h2 em { font-style: italic; color: var(--accent); }
.section-head .meta { font-size: 13px; color: var(--ink-mute); text-align: right; line-height: 1.65; }

/* CTA DARK */
.cta-wrap { background: var(--ink); color: var(--bg); padding: 128px 0; position: relative; overflow: hidden; }
.cta-wrap h2 {
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(56px, 8vw, 104px); line-height: 1.0; letter-spacing: -0.02em;
  margin: 0 0 48px; max-width: 18ch;
}
.cta-wrap h2 em { font-style: italic; color: var(--accent-l); }
.cta-body { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; padding-top: 48px; border-top: 1px solid #3A3631; }
.cta-body .lede { color: #ADA89F; font-size: 15px; line-height: 1.8; max-width: 46ch; margin: 0 0 24px; }
.cta-body .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-body .btn-primary { background: var(--accent); color: #fff; }
.cta-body .btn-primary:hover { background: var(--accent-ink); }
.cta-body .btn-ghost { color: var(--bg); border-color: #3A3631; }
.cta-body .btn-ghost:hover { border-color: var(--bg); }
.cta-body .col .k { font-family: var(--sans); font-size: 10px; font-weight: 600; color: var(--accent-l); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 16px; }
.cta-body .col .row { display: flex; justify-content: space-between; padding: 12px 0; border-top: 1px solid #3A3631; font-size: 13px; }
.cta-body .col .row:last-child { border-bottom: 1px solid #3A3631; }
.cta-body .col .row .lbl { color: #8A857E; font-family: var(--sans); font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }

/* FOOTER */
footer.foot { background: var(--ink); color: #8A857E; padding: 44px 0 36px; border-top: 1px solid #2A2621; }
footer.foot .wrap { display: grid; grid-template-columns: 1fr auto 1fr; gap: 48px; align-items: center; }
footer.foot .brand { color: var(--bg); }
footer.foot .f-right { text-align: right; font-family: var(--sans); font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
footer.foot .f-center { font-family: var(--sans); font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
footer.foot a:hover { color: var(--accent-l); }

/* Shared brand-mark SVG markup — use via .qc-mark class with inline SVG */

/* ============================================================
   GLOBAL RESPONSIVE LAYER
   Applies to shared chrome (nav, page-head, section-head,
   cta-wrap, footer). Per-page styles add their own breakpoints.
   ============================================================ */

/* Mobile nav toggle — hidden on desktop, shown below 900px */
.nav-toggle {
  display: none;
  background: transparent; border: 1px solid var(--rule);
  width: 40px; height: 40px; border-radius: 2px;
  align-items: center; justify-content: center; cursor: pointer;
  padding: 0; color: var(--accent-ink);
}
.nav-toggle:hover { border-color: var(--accent-ink); }
.nav-toggle svg { width: 18px; height: 18px; color: var(--accent-ink); }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="false"] .icon-close { display: none; }

/* ---- Tablet ≤ 1100px : reduce wrap padding, shrink nav gaps ---- */
@media (max-width: 1100px) {
  :root { --pad: 32px; }
  .nav-links { gap: 24px; }
  .section-head { grid-template-columns: 180px 1fr 200px; gap: 32px; }
  .page-head .kicker { grid-template-columns: 160px 1fr; gap: 28px; }
  .page-head .sub { gap: 48px; }
  .cta-body { gap: 32px; }
}

/* ---- Tablet/phone ≤ 900px : stack shared chrome ---- */
@media (max-width: 900px) {
  :root { --pad: 24px; }

  /* NAV — hide inline links & CTA, show hamburger */
  nav.top .wrap { height: 64px; }
  .brand .tag { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--rule);
    padding: 8px 24px 16px;
    z-index: 40;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--rule-soft); font-size: 13px; letter-spacing: 0.1em; }
  .nav-links a:last-child { border-bottom: none; }
  nav.top .nav-cta { display: none; }
  .nav-links .nav-cta-mobile {
    display: inline-flex; align-items: center; gap: 10px;
    margin-top: 14px; padding: 12px 16px;
    border: 1px solid var(--ink); border-radius: 2px;
    font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--ink); align-self: flex-start;
    border-bottom: 1px solid var(--ink) !important;
  }
  .nav-links .nav-cta-mobile .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

  /* PAGE HEAD */
  section { padding: 72px 0; }
  .page-head { padding: 56px 0 40px; }
  .page-head .kicker { grid-template-columns: 1fr; gap: 16px; margin-bottom: 32px; padding-bottom: 20px; }
  .page-head .sub { grid-template-columns: 1fr; gap: 28px; padding-top: 24px; }
  .page-head .sub .lede { font-size: 22px; }
  .page-head .sub .meta { grid-template-columns: 1fr 1fr; gap: 14px 20px; }
  .page-head h1 { margin-bottom: 32px; max-width: none; }

  /* SECTION HEAD */
  .section-head { grid-template-columns: 1fr; gap: 18px; margin-bottom: 36px; align-items: start; }
  .section-head h2 { font-size: clamp(36px, 7vw, 44px); }
  .section-head .meta { text-align: left; }

  /* CTA */
  .cta-wrap { padding: 80px 0; }
  .cta-body { grid-template-columns: 1fr; gap: 32px; padding-top: 32px; }
  .cta-body .ctas { flex-direction: column; align-items: stretch; }
  .cta-body .ctas .btn { justify-content: center; }

  /* FOOTER */
  footer.foot .wrap {
    grid-template-columns: 1fr; gap: 20px; text-align: center;
  }
  footer.foot .f-right, footer.foot .f-center { text-align: center; }

  /* BUTTONS — bigger tap targets */
  .btn { padding: 14px 20px; font-size: 11.5px; }
}

/* ---- Phone ≤ 600px : tighten typography & padding ---- */
@media (max-width: 600px) {
  :root { --pad: 18px; }
  section { padding: 56px 0; }
  .page-head { padding: 40px 0 32px; }
  .page-head .sub .meta { grid-template-columns: 1fr; }
  .cta-wrap { padding: 64px 0; }
  .btn { width: 100%; justify-content: center; }
  .hero-ctas .btn, .cta-body .ctas .btn { width: 100%; }
  footer.foot { padding: 32px 0 28px; }
}