/* ============================================================
   CISO Advisory Group — shared boardroom-modern system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,200..700;1,6..72,200..700&family=Manrope:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap');

:root {
  /* color */
  --ink:        #0a1628;          /* deep navy */
  --ink-2:      #0e1d33;
  --ink-3:      #142a48;
  --cream:      #f3ecdf;
  --cream-2:    #e8dfcb;
  --cream-mute: #c8bfa9;
  --brass:      oklch(76% 0.085 78);
  --rule:       rgba(243, 236, 223, 0.14);
  --rule-2:     rgba(243, 236, 223, 0.32);
  --rule-soft:  rgba(243, 236, 223, 0.06);

  /* type */
  --serif: "Newsreader", "Source Serif 4", Georgia, serif;
  --sans:  "Manrope", ui-sans-serif, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, monospace;

  /* layout */
  --maxw: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html { background: var(--ink); }
body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--sans);
  font-weight: 350;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: 0.005em;
}

::selection { background: var(--brass); color: var(--ink); }

a { color: inherit; text-decoration: none; }

/* ---------- type primitives ---------- */
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream-mute);
  display: inline-flex;
  gap: 10px;
  align-items: center;
}
.kicker::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--rule-2);
}
.kicker.no-rule::before { display: none; }

.eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

.display {
  font-family: var(--serif);
  font-weight: 300;
  letter-spacing: -0.022em;
  line-height: 0.96;
  text-wrap: balance;
}
.display em {
  font-style: italic;
  font-weight: 300;
  color: var(--cream);
}

h1.display { font-size: clamp(44px, 7.4vw, 116px); }
h2.display { font-size: clamp(36px, 5.2vw, 80px); }
h3.display { font-size: clamp(26px, 3vw, 44px); }

p.lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1.45;
  color: var(--cream-2);
  text-wrap: pretty;
  max-width: 56ch;
}

.body-prose {
  font-size: 16px;
  line-height: 1.7;
  color: var(--cream-2);
  max-width: 62ch;
}
.body-prose p + p { margin-top: 1em; }

/* ---------- shell ---------- */
.shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- top nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in oklab, var(--ink) 86%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  height: 68px;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.wordmark .dot {
  display: inline-block;
  width: 4px; height: 4px;
  background: var(--brass);
  border-radius: 50%;
  transform: translateY(-3px);
}
.wordmark .gp {
  font-style: italic;
  font-weight: 300;
  color: var(--cream-mute);
}
.nav-links {
  display: flex;
  gap: 28px;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cream-2);
}
.nav-links a { position: relative; padding: 6px 0; }
.nav-links a:hover { color: var(--cream); }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--brass);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 12px 18px;
  border: 1px solid var(--rule-2);
  background: transparent;
  color: var(--cream);
  cursor: pointer;
  transition: background 240ms ease, color 240ms ease, border-color 240ms ease;
}
.btn:hover { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.btn .arr { transition: transform 240ms ease; }
.btn:hover .arr { transform: translateX(3px); }

.btn--solid {
  background: var(--cream);
  color: var(--ink);
  border-color: var(--cream);
}
.btn--solid:hover { background: var(--brass); border-color: var(--brass); color: var(--ink); }

.btn--ghost { padding: 10px 0; border: none; }
.btn--ghost::after {
  content: "";
  display: block;
  height: 1px;
  background: currentColor;
  margin-top: 6px;
  width: 100%;
  transform-origin: left;
  transform: scaleX(0.4);
  transition: transform 280ms ease;
}
.btn--ghost:hover::after { transform: scaleX(1); }

/* ---------- section header ---------- */
.section-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: end;
  padding: 96px 0 40px;
  border-top: 1px solid var(--rule);
}
.section-head .section-id {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--cream-mute);
  padding-top: 6px;
}
@media (max-width: 720px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; padding-top: 56px; }
}

/* ---------- footer ---------- */
.foot {
  margin-top: 120px;
  border-top: 1px solid var(--rule);
  padding: 56px 0 40px;
  font-size: 13px;
  color: var(--cream-mute);
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}
.foot-grid h5 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream-mute);
  margin: 0 0 18px;
}
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.foot-grid li a { color: var(--cream-2); }
.foot-grid li a:hover { color: var(--cream); }
.foot .colophon {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  font-weight: 300;
  color: var(--cream);
  line-height: 1.3;
  max-width: 28ch;
}
.foot-meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
@media (max-width: 720px) {
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .foot .colophon { grid-column: 1 / -1; }
}

/* ---------- generic rule lines ---------- */
.hairline { height: 1px; background: var(--rule); width: 100%; }

/* ---------- focus ---------- */
:focus-visible {
  outline: 1px solid var(--brass);
  outline-offset: 3px;
}

/* ---------- reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms ease, transform 700ms ease;
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}