/* MarketTriggers.com — global stylesheet (non-critical, loaded async) */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f7f9;
  --color-text: #15181c;
  --color-text-muted: #525a66;
  --color-border: #e3e6ea;
  --color-primary: #0b3d91;
  --color-primary-dark: #082b66;
  --color-accent: #0f8a5f;
  --color-accent-warn: #b5460a;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Source Serif', Georgia, 'Times New Roman', serif;
  --max-width: 1180px;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.25;
  color: #0c1116;
  margin: 1.6em 0 0.6em;
}
h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); margin-top: 0; }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); border-top: 1px solid var(--color-border); padding-top: 1.4em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.4em; }
li { margin-bottom: 0.4em; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: 0.95rem;
}
th, td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  text-align: left;
}
th { background: var(--color-bg-alt); font-weight: 600; }

blockquote {
  border-left: 4px solid var(--color-primary);
  margin: 1.4em 0;
  padding: 0.4em 1.2em;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}

mark { background: #fff2b2; padding: 0 3px; }
code { background: var(--color-bg-alt); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: saturate(180%) blur(6px);
  z-index: 50;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-primary-dark);
}
.brand span { color: var(--color-accent); }

.main-nav { display: flex; gap: 22px; }
.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--color-primary); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.95rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
    gap: 14px;
  }
  .main-nav.is-open { display: flex; }
  .nav-toggle { display: inline-block; }
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: 48px 0 36px;
  border-bottom: 1px solid var(--color-border);
}
.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.hero__lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 760px;
}

/* Cards / grids */
.grid {
  display: grid;
  gap: 20px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--color-bg);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover { box-shadow: 0 6px 24px rgba(15,23,42,0.08); transform: translateY(-2px); }
.card__eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  font-weight: 700;
}
.card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin: 6px 0 8px;
}
.card__meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  margin-right: 6px;
}

/* Article */
.article-header {
  padding: 36px 0 18px;
  border-bottom: 1px solid var(--color-border);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-top: 10px;
}
.article-body {
  max-width: 760px;
  padding: 32px 0;
}
.article-body :is(h2, h3, h4), .pillar-body :is(h2, h3, h4), #trigger-explorer { scroll-margin-top: 90px; }
.pillar-body > h2:first-child { border-top: 0; padding-top: 0; margin-top: 0; }

.toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 1.6em 0;
}
.toc summary { font-weight: 700; cursor: pointer; }
.toc ol { margin: 10px 0 0; padding-left: 1.2em; }

.author-box {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  margin: 2em 0;
  background: var(--color-bg-alt);
}
.author-box__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.callout {
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 1.6em 0;
  background: var(--color-bg-alt);
}
.callout--watch { border-left-color: var(--color-accent-warn); }

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-primary); }

.faq-item { border-bottom: 1px solid var(--color-border); padding: 16px 0; }
.faq-item summary { font-weight: 600; cursor: pointer; font-size: 1.02rem; }
.faq-item p { margin-top: 10px; color: var(--color-text-muted); }

/* Footer */
.site-footer {
  background: #0c1116;
  color: #c9ced6;
  padding: 48px 0 28px;
  margin-top: 60px;
}
.site-footer a { color: #c9ced6; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid #262b31;
  padding-top: 20px;
  font-size: 0.82rem;
  color: #8a909a;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.disclaimer-strip {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 10px 0;
  text-align: center;
}

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}
.section-head a { font-size: 0.9rem; font-weight: 600; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 10px; top: 10px; }

/* ===== Effects (ReactBits-inspired, vanilla) ===== */
.progress-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 60;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform-origin: 0 50%; transform: scaleX(0);
}
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-revealed { opacity: 1; transform: none; }

.card, .spotlight { position: relative; overflow: hidden; }
.card::before, .spotlight::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(11,61,145,.10), transparent 60%);
  transition: opacity .25s ease;
}
.card:hover::before, .spotlight:hover::before { opacity: 1; }

.shiny-text {
  background: linear-gradient(110deg, #0c1116 35%, #4d7fd6 50%, #0c1116 65%);
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 5s linear infinite;
}
@keyframes shine { from { background-position: 100% 0; } to { background-position: -100% 0; } }

.hero--aurora { position: relative; overflow: hidden; isolation: isolate; }
.hero--aurora::before {
  content: ""; position: absolute; inset: -40%; z-index: -1;
  background:
    radial-gradient(40% 35% at 20% 30%, rgba(15,138,95,.16), transparent 70%),
    radial-gradient(45% 40% at 80% 20%, rgba(11,61,145,.18), transparent 70%),
    radial-gradient(35% 30% at 60% 80%, rgba(77,127,214,.14), transparent 70%);
  animation: aurora 18s ease-in-out infinite alternate;
}
@keyframes aurora { to { transform: translate3d(4%, -3%, 0) rotate(8deg); } }

.spark {
  position: fixed; width: 6px; height: 6px; border-radius: 50%; pointer-events: none; z-index: 80;
  background: var(--color-accent);
  animation: spark .6s ease-out forwards;
}
@keyframes spark {
  from { transform: translate(-50%,-50%) rotate(var(--a)) translateY(0); opacity: 1; }
  to { transform: translate(-50%,-50%) rotate(var(--a)) translateY(-28px); opacity: 0; }
}

.to-top {
  position: fixed; right: 18px; bottom: 18px; z-index: 55;
  width: 48px; height: 48px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--color-primary); color: #fff; font-size: 1.2rem;
  opacity: 0; pointer-events: none; transition: opacity .25s ease;
}
.to-top.is-visible { opacity: 1; pointer-events: auto; }

@media (prefers-reduced-motion: reduce) {
  .shiny-text, .hero--aurora::before { animation: none; }
  .reveal { opacity: 1; transform: none; }
}

/* ===== Homepage layout ===== */
.pillar-wrap { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 48px; padding: 32px 20px 0; max-width: var(--max-width); margin: 0 auto; }
.pillar-toc { position: sticky; top: 84px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; font-size: .88rem; }
.pillar-toc h2 { font-family: var(--font-sans); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; border: 0; padding: 0; margin: 0 0 10px; color: var(--color-text-muted); }
.pillar-toc ol { list-style: none; padding: 0; margin: 0; }
.pillar-toc li { margin: 0; }
.pillar-toc a { display: block; padding: 6px 10px; border-left: 2px solid var(--color-border); color: var(--color-text-muted); }
.pillar-toc a.is-active { border-left-color: var(--color-primary); color: var(--color-primary); font-weight: 600; text-decoration: none; }
.pillar-body { max-width: 760px; min-width: 0; }
.pillar-body table { display: block; overflow-x: auto; }
@media (max-width: 1000px) {
  .pillar-wrap { grid-template-columns: 1fr; gap: 0; }
  .pillar-toc { display: none; }
}

.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.btn--ghost { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn--ghost:hover { background: var(--color-bg-alt); }
.btn { min-height: 48px; display: inline-flex; align-items: center; }

/* Explorer */
.explorer, .quiz { margin: 2em 0; }
.explorer__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 1em 0; }
.explorer__tab {
  border: 1px solid var(--color-border); background: var(--color-bg); border-radius: 999px;
  padding: 10px 14px; font: inherit; font-size: .88rem; cursor: pointer; min-height: 44px; text-align: left;
}
.explorer__tab[aria-selected="true"] { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.explorer__panel { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; background: var(--color-bg-alt); }
.explorer__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 24px; margin: 12px 0; }
.explorer__grid dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-muted); font-weight: 700; }
.explorer__grid dd { margin: 2px 0 0; }
@media (max-width: 640px) { .explorer__grid { grid-template-columns: 1fr; } }
.explorer__more { font-weight: 600; }

/* Quiz */
.quiz__list { padding-left: 1.2em; }
.quiz__item { margin-bottom: 1.4em; }
.quiz__options { display: flex; flex-direction: column; gap: 8px; }
.quiz__opt {
  text-align: left; font: inherit; padding: 12px 14px; min-height: 48px; cursor: pointer;
  border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-bg);
}
.quiz__opt:hover:not(:disabled) { border-color: var(--color-primary); }
.quiz__opt.is-correct { border-color: var(--color-accent); background: #e7f6ef; }
.quiz__opt.is-wrong { border-color: #c0392b; background: #fbeaea; }
.quiz__explain { margin-top: 8px; color: var(--color-text-muted); font-size: .95rem; }
.quiz__score { font-weight: 700; padding: 14px; border-radius: 8px; background: var(--color-bg-alt); }

.latest { padding: 40px 0 8px; }

/* ===== Text selection: everything readable is selectable ===== */
body, main, article, .card, .card *, summary, .explorer, .quiz, .hero, .site-footer {
  -webkit-user-select: text;
  user-select: text;
}
a.card { -webkit-user-drag: none; }
::selection { background: rgba(11, 61, 145, 0.22); color: inherit; }
.site-footer ::selection { background: rgba(255, 255, 255, 0.3); color: #fff; }

/* ===== Photo hero ===== */
.hero--photo { position: relative; overflow: hidden; isolation: isolate; background: #0b1c3a; padding: 72px 0 56px; border-bottom: 0; min-height: 440px; }
.hero--photo .hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero--photo::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(6,16,36,.88) 0%, rgba(6,16,36,.72) 45%, rgba(6,16,36,.25) 100%);
}
@media (max-width: 760px) { .hero--photo::after { background: linear-gradient(180deg, rgba(6,16,36,.70), rgba(6,16,36,.88)); } .hero--photo { padding: 48px 0 40px; } }
.hero--photo h1, .hero--photo .hero__lede { color: #fff; }
.hero--photo .hero__lede { color: #d9e3f3; }
.hero--photo .hero__eyebrow { color: #7fd1b0; }
.hero--photo .shiny-text { background-image: linear-gradient(110deg, #ffffff 35%, #9cc2ff 50%, #ffffff 65%); }
.hero--photo .btn--ghost { color: #fff; border-color: rgba(255,255,255,.75); }
.hero--photo .btn--ghost:hover { background: rgba(255,255,255,.12); }
.hero__meta, .hero__meta a { color: #c4d1e6; }
.hero__inner { max-width: var(--max-width); }

/* ===== Ticker (scroll-velocity marquee) ===== */
.ticker { overflow: hidden; background: #0c1116; color: #d6dde8; border-bottom: 1px solid #1c232c; }
.ticker__track { display: flex; width: max-content; will-change: transform; }
.ticker__group { display: flex; flex-shrink: 0; }
.ticker__item { padding: 11px 22px; font-size: .82rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.ticker__item::after { content: "\25CF"; color: var(--color-accent); margin-left: 22px; font-size: .55rem; vertical-align: middle; }

/* ===== Key takeaways ===== */
.takeaways { background: linear-gradient(180deg, #f2f7ff, #f8fafc); border: 1px solid #d8e3f5; border-radius: var(--radius); padding: 20px 24px; margin: 0 0 2em; }
.pillar-body .takeaways h2 { border: 0; padding: 0; margin: 0 0 .6em; font-size: 1.25rem; }
.takeaways ul { margin: 0; }
.takeaways li { margin-bottom: .55em; }

/* ===== Figures ===== */
.photo { margin: 1.4em 0 1.8em; }
.photo img { width: 100%; height: auto; border-radius: var(--radius); aspect-ratio: 1344 / 768; object-fit: cover; background: var(--color-bg-alt); transition: transform .35s ease, box-shadow .35s ease; }
.photo figcaption { font-size: .86rem; color: var(--color-text-muted); margin-top: 8px; }
.cat-hero { margin: 0 0 1.6em; }
.cat-hero img { width: 100%; height: auto; max-height: 360px; object-fit: cover; border-radius: var(--radius); aspect-ratio: 1344 / 768; }

/* ===== Mobile section menu ===== */
.mobile-toc { display: none; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 12px 16px; margin: 0 0 1.4em; background: var(--color-bg-alt); }
.mobile-toc summary { font-weight: 700; cursor: pointer; min-height: 32px; display: flex; align-items: center; }
.mobile-toc ol { margin: 10px 0 0; padding-left: 1.2em; }
.mobile-toc li { margin-bottom: 8px; }
@media (max-width: 1000px) { .mobile-toc { display: block; } }
.pillar-toc__title { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-muted); font-weight: 700; margin: 0 0 10px; }

/* ===== Cookie bar ===== */
.cookie-bar {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 70; max-width: 720px; margin: 0 auto;
  background: #0c1116; color: #e3e8ef; border-radius: 12px; padding: 14px 16px;
  display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  box-shadow: 0 10px 30px rgba(0,0,0,.25); font-size: .9rem;
}
.cookie-bar p { margin: 0; flex: 1 1 280px; }
.cookie-bar a { color: #9cc2ff; }
.cookie-bar__actions { display: flex; gap: 8px; }
.cookie-bar .btn--ghost { color: #fff; border-color: rgba(255,255,255,.6); }

/* ===== Category hub content ===== */
.hub-intro { max-width: 760px; }
.hub-topics { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin: 1.2em 0 2em; }
@media (max-width: 640px) { .hub-topics { grid-template-columns: 1fr; } }
.hub-topics a.card { display: block; color: inherit; }
.hub-topics a.card:hover { text-decoration: none; }
.hub-topics .card__title { margin-top: 0; }

@media (prefers-reduced-motion: reduce) { .photo img { transition: none; } }

.site-header { background: #fff; }
@media (max-width: 640px) {
  .cookie-bar { left: 10px; right: 10px; bottom: 10px; padding: 10px 12px; gap: 8px; font-size: .84rem; }
  .cookie-bar p { flex-basis: 100%; }
  .cookie-bar__actions { width: 100%; }
  .cookie-bar__actions .btn { flex: 1; justify-content: center; min-height: 44px; padding: 8px 12px; }
}