/* ============================================================
   KEYSTONE APEX HOLDINGS — Shared stylesheet
   Institutional · Capital-grade · Singapore-domiciled
   ============================================================ */

:root {
  --ivory: #F4F1EA;
  --ivory-soft: #ECE7DC;
  --bone: #E4DDCD;
  --navy: #0B1A2E;
  --navy-deep: #060F1D;
  --navy-mid: #142844;
  --navy-soft: #1E3553;
  --slate: #4A5970;
  --slate-mute: #7A8499;
  --slate-faint: #A8AFBE;
  --rule: #C9C2B3;
  --rule-soft: #D8D2C3;
  --rule-dark: rgba(244, 241, 234, 0.12);
  --rule-darker: rgba(244, 241, 234, 0.06);
  --gold: #B08A3E;
  --gold-bright: #C9A35A;
  --gold-deep: #8B6A28;
  --oxblood: #6B1F2A;

  --serif: 'Cormorant Garamond', 'GT Sectra', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--ivory);
  color: var(--navy);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-feature-settings: "ss01", "cv11";
}
::selection { background: var(--navy); color: var(--ivory); }
a { color: inherit; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 48px; }
@media (max-width: 880px) { .wrap { padding: 0 24px; } }

/* ============================================================
   TOP BAR — Jurisdictional signal
   ============================================================ */
.topbar {
  background: var(--navy-deep);
  color: var(--ivory);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  padding: 9px 0;
  text-transform: uppercase;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.topbar-inner span { opacity: 0.7; }
.topbar-inner .marker {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--gold-bright);
  margin-right: 10px;
  vertical-align: middle;
}

/* ============================================================
   NAV — Quiet, institutional
   ============================================================ */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 241, 234, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}
.logo {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--navy);
  text-decoration: none;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.logo-mark {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--slate-mute);
  text-transform: uppercase;
  font-weight: 400;
  border-left: 1px solid var(--rule);
  padding-left: 10px;
  position: relative;
  top: -2px;
}
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  color: var(--navy);
  text-decoration: none;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: color 180ms;
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover { color: var(--gold-deep); }
.nav-links a.active { color: var(--gold-deep); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
}
.nav-cta {
  background: transparent;
  color: var(--navy);
  padding: 10px 18px;
  border-radius: 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: all 220ms;
  border: 1px solid var(--navy);
}
.nav-cta:hover {
  background: var(--navy);
  color: var(--ivory);
}
.nav-mobile { display: none; }
@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-mobile {
    display: block;
    font-size: 11px;
    color: var(--slate-mute);
    font-family: var(--mono);
    letter-spacing: 0.12em;
  }
}

/* ============================================================
   EYEBROWS & LABELS
   ============================================================ */
.eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}
.eyebrow::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--gold);
}
.eyebrow.on-dark {
  color: var(--gold-bright);
}
.eyebrow.on-dark::before {
  background: var(--gold-bright);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: 0;
  transition: all 220ms cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--sans);
  cursor: pointer;
}
.btn-primary {
  background: var(--navy);
  color: var(--ivory);
  border: 1px solid var(--navy);
}
.btn-primary:hover {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
}
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
}
.btn-ghost:hover {
  background: var(--navy);
  color: var(--ivory);
}
.btn-gold {
  background: transparent;
  color: var(--ivory);
  border: 1px solid var(--gold);
}
.btn-gold:hover {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}
.btn .arrow { transition: transform 220ms; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   SECTION HEADS
   ============================================================ */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  margin-bottom: 72px;
  align-items: end;
}
@media (max-width: 880px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--navy);
}
.section-head h2 em {
  font-style: italic;
  color: var(--gold-deep);
  font-weight: 400;
}
.section-head .sub {
  font-size: 16px;
  color: var(--slate);
  max-width: 540px;
  line-height: 1.65;
  letter-spacing: 0.005em;
}
.section-head.on-dark h2 { color: var(--ivory); }
.section-head.on-dark h2 em { color: var(--gold-bright); }
.section-head.on-dark .sub { color: rgba(244, 241, 234, 0.72); }

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.page-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 6.5vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 32px;
  max-width: 1080px;
}
.page-hero h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--gold-deep);
}
.page-hero .lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--slate);
  max-width: 720px;
  letter-spacing: 0.005em;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--navy-deep);
  color: var(--ivory);
  padding: 88px 0 36px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--rule-dark);
}
@media (max-width: 880px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
.foot-brand .logo {
  color: var(--ivory);
  margin-bottom: 20px;
  display: flex;
}
.foot-brand .logo-mark {
  color: rgba(244, 241, 234, 0.5);
  border-left-color: rgba(244, 241, 234, 0.2);
}
.foot-brand p {
  font-size: 14px;
  color: rgba(244, 241, 234, 0.6);
  line-height: 1.7;
  max-width: 380px;
  letter-spacing: 0.005em;
}
.foot-col h6 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-bright);
  margin-bottom: 18px;
  font-weight: 500;
}
.foot-col a {
  display: block;
  font-size: 13.5px;
  color: rgba(244, 241, 234, 0.72);
  text-decoration: none;
  padding: 6px 0;
  transition: color 180ms;
}
.foot-col a:hover { color: var(--ivory); }
.foot-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: rgba(244, 241, 234, 0.4);
  text-transform: uppercase;
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   PAGE-LEVEL CTA
   ============================================================ */
.page-cta {
  padding: 128px 0;
  background: var(--navy-deep);
  color: var(--ivory);
  border-top: 1px solid var(--rule-dark);
}
.page-cta-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 96px;
  align-items: end;
}
@media (max-width: 880px) {
  .page-cta-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}
.page-cta h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--ivory);
}
.page-cta h2 em {
  font-style: italic;
  color: var(--gold-bright);
  font-weight: 400;
}
.page-cta .side p {
  font-size: 16px;
  color: rgba(244, 241, 234, 0.7);
  line-height: 1.7;
  margin-bottom: 28px;
}
.page-cta .side .ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================================
   UTILITY: rule lines, monoscale labels
   ============================================================ */
.rule-top { border-top: 1px solid var(--rule); }
.rule-bot { border-bottom: 1px solid var(--rule); }
.label-mono {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-mute);
  font-weight: 500;
}

/* ============================================================
   CARDS — restrained, structured
   ============================================================ */
.card {
  background: var(--ivory);
  border: 1px solid var(--rule-soft);
  padding: 36px 32px;
  transition: border-color 220ms;
}
.card:hover { border-color: var(--rule); }
.card .card-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-deep);
  margin-bottom: 20px;
}
.card h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.2;
}
.card p {
  font-size: 14.5px;
  color: var(--slate);
  line-height: 1.65;
}