@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@500;600;700;800&display=swap');

/* ============================================================
   THE SALES ALGORITHM — BRAND MINI KIT
   Navy base #0B1324 | Gold accent #D38A34 | White #FFFFFF
   Tech gray #334155 | Montserrat (headings) | Inter (body)
   ============================================================ */

:root {
  --navy: #0B1324;
  --navy-2: #131E36;
  --navy-3: #1B2942;
  --gold: #D38A34;
  --gold-soft: #E3A45A;
  --gold-deep: #B8701F;
  --white: #FFFFFF;
  --gray: #334155;
  --gray-2: #64748B;
  --gray-3: #94A3B8;
  --line: rgba(211, 138, 52, .22);
  --line-soft: rgba(148, 163, 184, .18);
  --paper: #F5F6F8;
  --maxw: 1184px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy);
  color: #E7ECF3;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.12;
  margin: 0 0 .5em;
  color: var(--white);
}

p { margin: 0 0 1em; }

a { color: var(--gold-soft); text-decoration: none; }
a:hover { color: var(--gold); }

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

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow, .section-index {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow svg, .section-index svg { width: 15px; height: 15px; }

.section { padding: 96px 0; }
.section--narrow { padding: 72px 0; }

.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head .section-index { justify-content: center; }
.section-head h2 {
  font-size: clamp(30px, 4vw, 46px);
  margin: 18px 0 14px;
}
.section-head p { color: var(--gray-3); font-size: 18px; max-width: 640px; margin: 0 auto; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 15px 26px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .2s, border-color .2s, transform .15s, color .2s;
  min-height: 52px;
  text-align: center;
}
.btn svg { width: 18px; height: 18px; flex: 0 0 auto; }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--gold:hover { background: var(--gold-soft); color: var(--navy); transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,.3); }
.btn--outline:hover { border-color: var(--gold); color: var(--gold); }
.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: var(--navy-3); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--gold); padding: 12px 0; min-height: auto; }
.btn--ghost:hover { color: var(--gold-soft); }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 19, 36, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; }
.brand img { width: 34px; height: 34px; }
.brand-name { font-family: "Montserrat", sans-serif; font-weight: 700; font-size: 15px; letter-spacing: .02em; color: var(--white); line-height: 1.1; }
.brand-name b { display: block; font-size: 10px; letter-spacing: .14em; color: var(--gold); font-weight: 600; }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: #C3CCDA;
  transition: color .2s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links .btn { padding: 10px 18px; font-size: 14px; min-height: 42px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--white);
}
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 88px;
  background:
    radial-gradient(900px 500px at 78% 30%, rgba(211,138,52,.10), transparent 60%),
    var(--navy);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(211,138,52,.10) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: .5;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000, transparent);
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-copy { max-width: 600px; }
.hero-copy h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.05;
  margin: 18px 0 22px;
}
.hero-copy h1 em { font-style: normal; color: var(--gold); }
.hero-lead { font-size: 19px; color: #B7C2D4; line-height: 1.6; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 22px; }
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--gray-3);
}
.hero-proof span { display: inline-flex; align-items: center; gap: 6px; }
.hero-proof svg { width: 15px; height: 15px; color: var(--gold); }

.cover-stage {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 460px;
}
.cover-stage::before {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  border-radius: 48% 52% 50% 50%;
  background: radial-gradient(circle, rgba(211,138,52,.30), transparent 65%);
  filter: blur(10px);
}
.cover-stage img {
  position: relative;
  z-index: 2;
  height: 380px;
  width: auto;
  border-radius: 4px 14px 14px 4px;
  box-shadow: -18px 26px 60px rgba(0,0,0,.55), 0 0 0 1px rgba(211,138,52,.15);
  transform: perspective(1200px) rotateY(-9deg) rotateZ(1.5deg);
}
.cover-tag {
  position: absolute;
  z-index: 3;
  bottom: 40px;
  right: 10%;
  background: var(--white);
  color: var(--navy);
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 11px;
  padding: 9px 15px;
  border-radius: 99px;
  letter-spacing: .04em;
  box-shadow: 0 10px 26px rgba(0,0,0,.35);
}

/* ---------- PROBLEM ---------- */
.problem { background: var(--navy-2); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.problem-card {
  background: var(--navy-3);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.problem-card:hover { border-color: var(--line); transform: translateY(-3px); }
.problem-card .pc-num {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .12em;
}
.problem-card h3 { font-size: 19px; margin: 26px 0 10px; }
.problem-card p { color: var(--gray-3); font-size: 15px; margin: 0; line-height: 1.6; }
.problem-card svg { width: 26px; height: 26px; color: var(--gold); opacity: .85; }
.problem-close {
  text-align: center;
  margin-top: 44px;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--white);
}
.problem-close span { color: var(--gold); }

/* ---------- AUDIENCE ---------- */
.audience { background: var(--navy); }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.audience-card {
  background: var(--navy-2);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  padding: 34px;
}
.audience-card svg { width: 30px; height: 30px; color: var(--gold); }
.audience-card h3 { font-size: 21px; margin: 22px 0 8px; }
.audience-card .ac-sub { color: var(--gold-soft); font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.audience-card p { color: var(--gray-3); font-size: 15px; margin: 0; }

/* ---------- COST ---------- */
.cost { background: var(--navy-2); }
.cost-chain {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 44px;
}
.cost-step {
  background: var(--navy-3);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 22px;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.cost-step b { color: var(--gold); }
.cost-arrow { color: var(--gray-2); font-size: 22px; align-self: center; }
.cost-note { text-align: center; color: var(--gray-3); max-width: 620px; margin: 36px auto 0; }

/* ---------- FRAMEWORK ---------- */
.framework { background: var(--navy); position: relative; }
.algo-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.algo-item {
  background: var(--navy-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  padding: 22px 22px 22px 24px;
  transition: border-color .2s, transform .2s, background .2s;
}
.algo-item:hover { background: var(--navy-3); transform: translateY(-2px); }
.algo-top { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.algo-letter {
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  font-size: 38px;
  color: var(--gold);
  line-height: 1;
}
.algo-num { font-size: 11px; color: var(--gray-2); letter-spacing: .12em; font-weight: 600; }
.algo-item h3 { font-size: 16px; margin: 0 0 6px; font-weight: 600; }
.algo-item h3 strong { color: var(--gold-soft); }
.algo-item p { font-size: 14px; color: var(--gray-3); margin: 0; }
.algo-note {
  text-align: center;
  margin-top: 40px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--gray-3);
  font-size: 15px;
}
.algo-note svg { width: 20px; height: 20px; color: var(--gold); flex: 0 0 auto; }
.algo-note-wrap { text-align: center; }

/* ---------- TRANSFORMATION ---------- */
.transform { background: var(--navy-2); }
.transform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 920px; margin: 0 auto; }
.transform-col {
  border-radius: 14px;
  padding: 32px;
}
.transform-col--before { background: var(--navy-3); border: 1px solid var(--line-soft); }
.transform-col--after { background: rgba(211,138,52,.08); border: 1px solid var(--line); }
.transform-col h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 20px;
}
.transform-col--before h3 { color: var(--gray-2); }
.transform-col--after h3 { color: var(--gold); }
.transform-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.transform-col li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: #C3CCDA; }
.transform-col li svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 3px; }
.transform-col--before li svg { color: var(--gray-2); }
.transform-col--after li svg { color: var(--gold); }

/* ---------- LEARN ---------- */
.learn { background: var(--navy); }
.learn-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; max-width: 820px; margin: 0 auto; list-style: none; padding: 0; }
.learn-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--navy-2);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 18px 20px;
  font-size: 16px;
  color: #D5DCE7;
}
.learn-list svg { width: 20px; height: 20px; color: var(--gold); flex: 0 0 auto; margin-top: 1px; }

/* ---------- OFFER ---------- */
.offer { background: var(--navy-2); }
.offer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.offer-card {
  background: var(--navy-3);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 34px;
  display: flex;
  flex-direction: column;
}
.offer-card--workbook { background: rgba(211,138,52,.06); border-color: var(--line); }
.offer-card .oc-tag { color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.offer-card h3 { font-size: 24px; margin: 14px 0 6px; }
.offer-card .oc-format { color: var(--gray-3); font-size: 14px; margin-bottom: 18px; }
.offer-card ul { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 10px; flex: 1; }
.offer-card li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: #C3CCDA; }
.offer-card li svg { width: 18px; height: 18px; color: var(--gold); flex: 0 0 auto; margin-top: 3px; }
.offer-visual { display: flex; gap: 14px; justify-content: center; align-items: center; margin-bottom: 30px; }
.offer-visual img {
  width: auto;
  height: 260px;
  border-radius: 4px 12px 12px 4px;
  box-shadow: -12px 18px 40px rgba(0,0,0,.5);
}

/* ---------- PREVIEW ---------- */
.preview { background: var(--navy); }
.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 960px; margin: 0 auto; align-items: start; }
.preview-item {
  background: var(--navy-2);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color .2s, transform .2s;
  text-align: left;
  padding: 0;
  color: inherit;
  font: inherit;
  width: 100%;
}
.preview-item:hover { border-color: var(--gold); transform: translateY(-3px); }
.preview-item img { width: 100%; height: auto; aspect-ratio: 1166 / 1654; background: #fff; }
.preview-item .pi-cap {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--gray-3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.preview-item .pi-cap svg { width: 15px; height: 15px; color: var(--gold); flex: 0 0 auto; }
.preview-actions { text-align: center; margin-top: 40px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(5, 9, 18, .94);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 88vh; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  background: var(--gold);
  color: var(--navy);
  border: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-close:hover { background: var(--gold-soft); }

/* ---------- AUTHOR ---------- */
.author { background: var(--navy-2); }
.author-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: center; max-width: 920px; margin: 0 auto; }
.author-photo {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  max-width: 240px;
}
.author-photo img { width: 100%; height: auto; display: block; }
.author-body h2 { font-size: clamp(26px, 3vw, 36px); margin: 14px 0 16px; }
.author-body p { color: var(--gray-3); font-size: 16px; }
.author-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; font-weight: 600; color: var(--gold); }
.author-link svg { width: 16px; height: 16px; }

/* ---------- FIT CHECK ---------- */
.fitcheck { background: var(--navy); }
.fitcheck-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 900px; margin: 0 auto; }
.fitcheck-col {
  border-radius: 14px;
  padding: 32px;
}
.fitcheck-col--yes { background: rgba(211,138,52,.08); border: 1px solid var(--line); }
.fitcheck-col--no { background: var(--navy-2); border: 1px solid var(--line-soft); }
.fitcheck-col h3 {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px;
  margin-bottom: 20px;
}
.fitcheck-col--yes h3 { color: var(--gold); }
.fitcheck-col--no h3 { color: var(--gray-2); }
.fitcheck-col h3 svg { width: 22px; height: 22px; }
.fitcheck-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.fitcheck-col li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: #C3CCDA; }
.fitcheck-col li svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 3px; }
.fitcheck-col--yes li svg { color: var(--gold); }
.fitcheck-col--no li svg { color: var(--gray-2); }

/* ---------- FAQ ---------- */
.faq { background: var(--navy-2); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line-soft); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 4px;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--white);
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--gold); }
.faq-item summary svg { width: 22px; height: 22px; color: var(--gold); flex: 0 0 auto; transition: transform .2s; }
.faq-item[open] summary svg { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 40px 24px 0; color: var(--gray-3); font-size: 16px; line-height: 1.7; }

/* ---------- FINAL CTA ---------- */
.final-cta { background: var(--navy); text-align: center; position: relative; overflow: hidden; }
.final-cta::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(211,138,52,.08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: .6;
}
.final-cta .wrap { position: relative; z-index: 1; max-width: 720px; }
.final-cta h2 { font-size: clamp(28px, 3.6vw, 42px); margin-bottom: 18px; }
.final-cta p { color: var(--gray-3); font-size: 18px; margin-bottom: 30px; }
.final-cta .btn { margin-bottom: 12px; }

/* ---------- RELATED ---------- */
.related { background: var(--navy-2); }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 860px; margin: 0 auto; }
.related-card {
  background: var(--navy-3);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  padding: 30px;
  transition: border-color .2s, transform .2s;
  display: block;
}
.related-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.related-card .rc-tag { color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.related-card h3 { font-size: 19px; margin: 14px 0 10px; color: var(--white); }
.related-card p { color: var(--gray-3); font-size: 15px; margin: 0 0 16px; }
.related-card .rc-more { color: var(--gold); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }

/* ---------- FOOTER ---------- */
.site-footer { background: #060A14; border-top: 1px solid var(--line-soft); padding: 50px 0 30px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--gray-2); font-size: 14px; max-width: 280px; }
.footer-col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--gold); margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-col a { color: var(--gray-3); font-size: 14px; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--line-soft); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--gray-2); font-size: 13px; }
.footer-bottom a { color: var(--gray-2); }
.footer-bottom a:hover { color: var(--gold); }

/* ---------- SCROLL CUE ---------- */
#top { position: absolute; top: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--gold);
  color: var(--navy);
  padding: 10px 16px;
  z-index: 200;
  font-weight: 700;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 880px) {
  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--navy-2);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 24px 24px;
    border-bottom: 1px solid var(--line-soft);
    transform: translateY(-130%);
    transition: transform .25s;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
  .nav-links .btn { margin-top: 12px; border-bottom: none; }
  .nav-toggle { display: inline-flex; }

  .hero .wrap { grid-template-columns: 1fr; gap: 36px; }
  .hero-copy { text-align: center; margin: 0 auto; }
  .hero-actions, .hero-proof { justify-content: center; }
  .cover-stage { min-height: 300px; order: -1; }
  .cover-stage img { height: 300px; }
  .offer-visual img { height: 200px; }

  .problem-grid, .audience-grid, .algo-list, .offer-grid, .preview-grid, .related-grid, .transform-grid, .fitcheck-grid { grid-template-columns: 1fr; }
  .learn-list { grid-template-columns: 1fr; }
  .author-grid { grid-template-columns: 1fr; gap: 28px; }
  .author-photo { max-width: 240px; margin: 0 auto; }
  .cost-chain { flex-direction: column; align-items: stretch; }
  .cost-arrow { transform: rotate(90deg); text-align: center; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
}

/* ---------- ARTICLE PAGE ---------- */
.article-hero { padding: 60px 0 40px; background: var(--navy); border-bottom: 1px solid var(--line-soft); }
.article-hero .wrap { max-width: 800px; }
.article-hero .ac-eyebrow { color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.article-hero h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; margin: 16px 0 18px; }
.article-hero .ac-deck { color: var(--gray-3); font-size: 19px; line-height: 1.6; margin-bottom: 22px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; color: var(--gray-2); align-items: center; }
.article-meta a { color: var(--gold-soft); font-weight: 600; }
.article-meta .dot { width: 3px; height: 3px; background: var(--gray-2); border-radius: 50%; }

.article-body { background: var(--paper); color: var(--gray); padding: 56px 0; }
.article-body .wrap { max-width: 760px; }
.article-body .prose { background: var(--white); border-radius: 16px; padding: 44px; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.article-body .prose h2 { color: var(--navy); font-size: clamp(22px, 2.8vw, 30px); margin: 42px 0 14px; }
.article-body .prose h2:first-child { margin-top: 0; }
.article-body .prose h3 { color: var(--navy); font-size: 20px; margin: 28px 0 10px; }
.article-body .prose p { color: var(--gray); line-height: 1.75; margin-bottom: 16px; }
.article-body .prose ul, .article-body .prose ol { margin: 0 0 18px; padding-left: 22px; color: var(--gray); line-height: 1.75; }
.article-body .prose li { margin-bottom: 6px; }
.article-body .prose strong { color: var(--navy); }
.article-body .prose a { color: var(--gold-deep); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.article-body .prose blockquote {
  border-left: 3px solid var(--gold);
  background: rgba(211,138,52,.06);
  margin: 22px 0; padding: 16px 20px; border-radius: 0 8px 8px 0;
  color: var(--navy-3); font-style: italic;
}
.article-body .prose .diagram {
  background: var(--navy); color: var(--white); border-radius: 12px; padding: 24px; margin: 24px 0; text-align: center;
}
.article-body .prose .diagram .chain { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; align-items: center; }
.article-body .prose .diagram .chain span { background: var(--navy-3); border: 1px solid var(--line); border-radius: 8px; padding: 10px 16px; font-weight: 600; font-family: "Montserrat", sans-serif; font-size: 15px; }
.article-body .prose .diagram .chain span b { color: var(--gold); }
.article-body .prose .diagram .arr { color: var(--gold); }
.article-body .prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.article-body .prose th, .article-body .prose td { border: 1px solid #E2E8F0; padding: 11px 14px; text-align: left; vertical-align: top; }
.article-body .prose th { background: var(--navy); color: var(--white); font-family: "Montserrat", sans-serif; font-weight: 600; font-size: 14px; }
.article-body .prose td { color: var(--gray); }

.article-body .prose .article-cta-mid { background: var(--navy-2); border: 1px solid var(--line); border-radius: 14px; padding: 28px; margin: 32px 0; text-align: center; }
.article-body .prose .article-cta-mid h3 { color: var(--white); font-size: 20px; margin: 0 0 8px; }
.article-body .prose .article-cta-mid p { color: #B7C2D4; font-size: 15px; margin: 0 0 16px; line-height: 1.6; }
.article-body .prose .article-cta-mid p a { color: var(--gold-soft); }
.article-body .prose .article-cta-mid .btn { color: var(--navy) !important; text-decoration: none; }

.article-cta-end { background: var(--navy); color: var(--white); padding: 60px 0; text-align: center; }
.article-cta-end .wrap { max-width: 700px; }
.article-cta-end h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 14px; }
.article-cta-end p { color: var(--gray-3); font-size: 18px; margin-bottom: 26px; }

.article-faq { background: var(--paper); padding: 56px 0; }
.article-faq .wrap { max-width: 760px; }
.article-faq h2 { color: var(--navy); font-size: 26px; margin-bottom: 24px; text-align: center; }
.article-faq .faq-item { background: var(--white); border: 1px solid #E2E8F0; border-radius: 10px; margin-bottom: 10px; overflow: hidden; }
.article-faq .faq-item summary { color: var(--navy); padding: 18px 22px; }
.article-faq .faq-item .faq-a { padding: 0 22px 20px; color: var(--gray); }

.article-author-bio { background: var(--navy-2); padding: 40px 0; border-top: 1px solid var(--line-soft); }
.article-author-bio .wrap { max-width: 760px; display: flex; gap: 20px; align-items: center; }
.article-author-bio img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.article-author-bio .ab-info h4 { color: var(--white); margin: 0 0 4px; font-size: 17px; }
.article-author-bio .ab-info p { color: var(--gray-3); font-size: 14px; margin: 0; }
.article-author-bio .ab-info a { color: var(--gold-soft); font-weight: 600; }

@media (max-width: 880px) {
  .article-body .prose { padding: 28px; }
  .article-author-bio .wrap { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}