/* subpage.css — shared chrome for insigz subpages (nav, footer, page hero, sections) */

html, body { background: var(--surface-void); }
body { overflow-x: hidden; margin: 0; }

/* Container */
.wrap { max-width: 1480px; margin: 0 auto; padding: 0 var(--s-7); }
@media (max-width: 800px) { .wrap { padding: 0 var(--s-5); } }

/* ---------- Top nav ---------- */
nav.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  background: color-mix(in oklab, var(--surface-void) 70%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--surface-line) 50%, transparent);
}
nav.top .wrap {
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
nav.top .brand {
  font-family: var(--font-display);
  font-size: 1.4rem; letter-spacing: -0.03em; font-weight: 400;
  color: var(--text-primary);
}
nav.top .brand .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-signal); margin-right: 10px;
  box-shadow: 0 0 12px var(--accent-signal);
  animation: pulse 4.5s ease-in-out infinite;
  transform: translateY(-3px);
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: translateY(-3px) scale(1); }
  50%      { opacity: 1;   transform: translateY(-3px) scale(1.15); }
}
nav.top ul {
  display: flex; gap: var(--s-6); list-style: none; padding: 0; margin: 0;
  font-family: var(--font-mono); font-size: var(--text-mono);
  color: var(--text-muted); letter-spacing: 0.04em;
}
nav.top ul a { transition: color var(--dur-tap) ease; position: relative; }
nav.top ul a:hover { color: var(--text-primary); }
nav.top ul a.active { color: var(--text-primary); }
nav.top ul li > a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -22px; height: 2px;
  background: var(--accent-signal);
}
nav.top ul li > a.active .caret { color: var(--accent-signal); opacity: 1; }
nav.top .right { display: flex; gap: var(--s-4); align-items: center; }
nav.top .theme {
  background: none; border: 1px solid var(--surface-line-strong);
  color: var(--text-muted); padding: 6px 12px; border-radius: 2px;
  font-family: var(--font-mono); font-size: var(--text-mono-s);
  cursor: pointer; letter-spacing: 0.1em; text-transform: uppercase;
  transition: all var(--dur-tap) ease;
}
nav.top .theme:hover { color: var(--text-primary); border-color: var(--text-muted); }
nav.top .cta {
  background: var(--accent-signal); color: var(--surface-void);
  border: none; padding: 8px 18px; border-radius: 2px;
  font-family: var(--font-mono); font-size: var(--text-mono-s);
  cursor: pointer; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 500;
  transition: all var(--dur-tap) ease;
  text-decoration: none;
  display: inline-flex; align-items: center;
}
nav.top .cta:hover { filter: brightness(1.1); }

/* ---------- Mobile nav (injected by subpage.js) ---------- */
.nav-burger { display: none; }
.nav-mobile { display: none; }
@media (max-width: 880px) {
  nav.top ul, nav.top .right { display: none; }
  .nav-burger {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 4px;
    width: 42px; height: 42px; padding: 0 10px; cursor: pointer;
    background: transparent; border: 1px solid var(--surface-line-strong); border-radius: 2px;
  }
  .nav-burger span { display: block; height: 1.5px; width: 100%; background: var(--text-primary); transition: transform 0.2s ease, opacity 0.2s ease; }
  .nav-burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
  .nav-burger.open span:nth-child(2) { opacity: 0; }
  .nav-burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
  .nav-mobile {
    display: flex; flex-direction: column;
    position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
    background: var(--surface-void); border-bottom: 1px solid var(--surface-line);
    padding: var(--s-3) var(--s-5) var(--s-5);
    max-height: calc(100dvh - 64px); overflow-y: auto;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
  .nav-mobile.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-mobile a {
    font-family: var(--font-mono); font-size: 1rem; letter-spacing: 0.04em;
    color: var(--text-muted); padding: 15px 4px; border-bottom: 1px solid var(--surface-line);
  }
  .nav-mobile a.active { color: var(--text-primary); }
  .nav-mobile .nav-mobile-actions { display: flex; gap: var(--s-3); align-items: stretch; margin-top: var(--s-4); }
  .nav-mobile .m-theme {
    background: none; border: 1px solid var(--surface-line-strong); color: var(--text-muted);
    padding: 0 16px; min-height: 44px; border-radius: 2px; cursor: pointer;
    font-family: var(--font-mono); font-size: var(--text-mono-s); letter-spacing: 0.1em; text-transform: uppercase;
  }
  .nav-mobile .m-cta {
    flex: 1; display: inline-flex; align-items: center; justify-content: center;
    background: var(--accent-signal); color: var(--surface-void);
    min-height: 44px; padding: 0 18px; border-radius: 2px; border-bottom: 0;
    font-family: var(--font-mono); font-size: var(--text-mono-s); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600;
  }
}

/* ---------- Page hero (subpage) ---------- */
section.page-hero {
  padding: calc(96px + var(--s-10)) 0 var(--s-9);
  border-bottom: 1px solid var(--surface-line);
  position: relative;
}
.page-hero .eyebrow {
  font-family: var(--font-mono); font-size: var(--text-mono-s);
  letter-spacing: 0.22em; color: var(--accent-signal);
  text-transform: uppercase; margin-bottom: var(--s-5);
  display: inline-flex; align-items: center; gap: 10px;
}
.page-hero .eyebrow::before {
  content: ""; width: 28px; height: 1px;
  background: var(--accent-signal); display: inline-block;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 300;
  color: var(--text-primary);
  max-width: 22ch;
  margin: 0;
}
.page-hero h1 em {
  font-style: italic; font-weight: 400;
  color: var(--accent-signal);
}
.page-hero .lead {
  max-width: 60ch; margin-top: var(--s-5);
  font-size: var(--text-body-l); color: var(--text-muted); line-height: 1.6;
}
.page-hero .meta {
  margin-top: var(--s-7); display: flex; gap: var(--s-7);
  font-family: var(--font-mono); font-size: var(--text-mono-s);
  color: var(--text-faint); letter-spacing: 0.14em;
}
.page-hero .meta span:first-child { display: block; color: var(--text-faint); margin-bottom: 4px; }
.page-hero .meta > div span:last-child { display: block; color: var(--text-primary); }

/* ---------- General section primitives ---------- */
section { position: relative; padding: var(--s-10) 0; }
section + section { border-top: 1px solid var(--surface-line); }
section.tight + section.tight { border-top: 1px solid var(--surface-line); }

.section-head {
  display: grid; grid-template-columns: 140px 1fr; gap: var(--s-7);
  margin-bottom: var(--s-8); align-items: start;
}
.section-head .num {
  font-family: var(--font-mono); font-size: var(--text-mono);
  color: var(--text-faint); letter-spacing: 0.18em;
  padding-top: 12px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-display-l); max-width: 22ch;
  letter-spacing: -0.025em; font-weight: 400; color: var(--text-primary);
  line-height: 1.05;
}
.section-head .lead {
  grid-column: 2;
  font-size: var(--text-body-l); color: var(--text-muted);
  max-width: 56ch; margin-top: var(--s-4);
  line-height: 1.6;
}
@media (max-width: 700px) {
  .section-head { grid-template-columns: 1fr; gap: var(--s-3); }
  .section-head .lead { grid-column: 1; }
}

/* ---------- Footer ---------- */
footer.bottom {
  padding: var(--s-9) 0 var(--s-6);
  border-top: 1px solid var(--surface-line);
  background: var(--surface-void);
}
footer.bottom .wrap { display: block; }
footer.bottom .foot-top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--s-7);
  padding-bottom: var(--s-7); border-bottom: 1px solid var(--surface-line);
}
footer.bottom .foot-brand .mark {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-display); font-size: 1.4rem; letter-spacing: -0.02em;
  color: var(--text-primary); margin-bottom: var(--s-3);
}
footer.bottom .foot-brand .mark .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-signal); }
footer.bottom .foot-brand p {
  color: var(--text-muted); font-size: var(--text-body-s); line-height: 1.6; max-width: 34ch; margin: 0 0 var(--s-4);
}
footer.bottom .foot-brand .foot-cta {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono);
  font-size: var(--text-mono-s); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-signal); border: 1px solid var(--accent-signal); padding: 9px 14px;
  transition: background var(--dur-tap) ease, color var(--dur-tap) ease;
}
footer.bottom .foot-brand .foot-cta:hover { background: var(--accent-signal); color: var(--surface-void); }
footer.bottom .foot-col h4 {
  font-family: var(--font-mono); font-size: var(--text-mono-s); letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-faint); margin: 0 0 var(--s-4); font-weight: 400;
}
footer.bottom .foot-col a {
  display: block; color: var(--text-muted); font-size: var(--text-body-s);
  margin-bottom: 11px; transition: color var(--dur-tap) ease;
}
footer.bottom .foot-col a:hover { color: var(--text-primary); }
footer.bottom .foot-bar {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--s-3);
  padding-top: var(--s-5);
  font-family: var(--font-mono); font-size: var(--text-mono-s); color: var(--text-faint); letter-spacing: 0.08em;
}
footer.bottom .foot-bar .legal-links { display: flex; gap: var(--s-5); }
footer.bottom .foot-bar a { color: var(--text-faint); transition: color var(--dur-tap) ease; }
footer.bottom .foot-bar a:hover { color: var(--text-primary); }
@media (max-width: 860px) {
  footer.bottom .foot-top { grid-template-columns: 1fr 1fr; gap: var(--s-6); }
  footer.bottom .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  footer.bottom .foot-top { grid-template-columns: 1fr; }
  footer.bottom .foot-bar { flex-direction: column; align-items: flex-start; }
}

/* ---------- Scroll fade-in ---------- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 1.2s var(--ease-out), transform 1.2s var(--ease-out); }
.fade-in.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .fade-in { opacity: 1; transform: none; transition: none; } }

/* ---------- Utility ---------- */
.smallcaps { font-family: var(--font-mono); font-size: var(--text-mono-s); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); }
.hairline { border: 0; border-top: 1px solid var(--surface-line); margin: 0; }

/* ---------- Vertical-page shared (Maritime / Energy / Sanctions / Journalism / Academic) ---------- */
.v-narrative {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: var(--s-8); align-items: start;
}
.v-narrative .quote-pane {
  border-left: 3px solid var(--accent-signal);
  padding: var(--s-3) var(--s-5);
  font-family: var(--font-display); font-size: 1.5rem; line-height: 1.4; letter-spacing: -0.02em;
  color: var(--text-primary); font-style: italic;
}
.v-narrative .body p { color: var(--text-muted); font-size: var(--text-body); line-height: 1.7; margin-bottom: var(--s-4); }
.v-narrative .body p strong { color: var(--text-primary); }
@media (max-width: 900px) { .v-narrative { grid-template-columns: 1fr; } }

.v-fit { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--surface-line); }
.v-fit .cell { padding: var(--s-5); border-right: 1px solid var(--surface-line); background: var(--surface-base); }
.v-fit .cell:last-child { border-right: 0; }
.v-fit .cell .lab { font-family: var(--font-mono); font-size: var(--text-mono-s); color: var(--accent-signal); letter-spacing: 0.18em; }
.v-fit .cell h3 { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: -0.02em; color: var(--text-primary); margin: var(--s-3) 0; line-height: 1.1; }
.v-fit .cell p { color: var(--text-muted); font-size: var(--text-body-s); line-height: 1.6; }
.v-fit .cell ul { padding-left: var(--s-5); color: var(--text-muted); font-size: var(--text-body-s); line-height: 1.7; margin-top: var(--s-3); }
@media (max-width: 800px) { .v-fit { grid-template-columns: 1fr; } .v-fit .cell { border-right: 0; border-bottom: 1px solid var(--surface-line); } }

.v-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--surface-line); }
.v-flow .step { padding: var(--s-5); border-right: 1px solid var(--surface-line); position: relative; }
.v-flow .step:last-child { border-right: 0; }
.v-flow .step::after {
  content: "→"; position: absolute; top: 50%; right: -10px; transform: translateY(-50%);
  width: 20px; height: 20px; background: var(--surface-void); color: var(--accent-signal);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 13px; z-index: 2;
}
.v-flow .step:last-child::after { display: none; }
.v-flow .step .n { font-family: var(--font-mono); font-size: var(--text-mono); color: var(--accent-signal); letter-spacing: 0.16em; }
.v-flow .step h4 { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: -0.02em; color: var(--text-primary); margin: var(--s-2) 0; }
.v-flow .step p { color: var(--text-muted); font-size: var(--text-body-s); line-height: 1.55; }
@media (max-width: 800px) { .v-flow { grid-template-columns: 1fr; } .v-flow .step { border-right: 0; border-bottom: 1px solid var(--surface-line); } .v-flow .step::after { display: none; } }

.v-price {
  display: grid; grid-template-columns: 220px 1fr; gap: 0;
  border: 1px solid var(--surface-line); background: var(--surface-base);
}
.v-price .head {
  padding: var(--s-5); border-right: 1px solid var(--surface-line);
  background: color-mix(in oklab, var(--accent-signal) 6%, var(--surface-base));
}
.v-price .head .lab { font-family: var(--font-mono); font-size: var(--text-mono-s); color: var(--accent-signal); letter-spacing: 0.18em; }
.v-price .head h3 { font-family: var(--font-display); font-size: 1.4rem; letter-spacing: -0.02em; color: var(--text-primary); margin-top: var(--s-3); line-height: 1.1; }
.v-price .body {
  padding: var(--s-4) var(--s-5); display: grid; gap: var(--s-2);
  font-family: var(--font-mono); font-size: var(--text-body-s); color: var(--text-muted);
}
.v-price .body .row { display: grid; grid-template-columns: 280px 1fr; gap: var(--s-4); padding: 4px 0; }
.v-price .body .row .k { color: var(--text-faint); }
.v-price .body .row .v { color: var(--text-primary); }
@media (max-width: 800px) { .v-price { grid-template-columns: 1fr; } .v-price .head { border-right: 0; border-bottom: 1px solid var(--surface-line); } }

.v-cta {
  background: var(--surface-base); padding: var(--s-7);
  display: flex; justify-content: space-between; align-items: center; gap: var(--s-7); flex-wrap: wrap;
  border: 1px solid var(--surface-line);
}
.v-cta h3 { font-family: var(--font-display); font-size: clamp(1.5rem, 2.4vw, 2rem); letter-spacing: -0.025em; color: var(--text-primary); font-weight: 400; line-height: 1.1; margin: 0; max-width: 26ch; }
.v-cta a {
  background: var(--accent-signal); color: var(--surface-void); padding: 14px 24px;
  font-family: var(--font-mono); font-size: var(--text-mono); letter-spacing: 0.16em;
  text-transform: uppercase; font-weight: 600;
}