/* ==========================================================================
   LiteByte Insights — shared stylesheet
   Brand system lifted from litebyte.co.uk:
     · Poppins        — display / wordmark / headings
     · Instrument Sans — body & UI
     · JetBrains Mono  — labels, eyebrows, meta
     · ink #0b1017 · green #0a8f58 · mint #3de79e · cool light grounds
   All tokens live in :root. Nothing else needs touching to re-skin.
   ========================================================================== */

:root {
  /* Ink & text */
  --ink:        #0b1017;
  --ink-deep:   #06080e;
  --body:       #434d5c;
  --muted:      #7a8590;
  --faint:      #9aa4ae;

  /* Brand green */
  --accent:      #0a8f58;
  --accent-deep: #076b41;
  --accent-lit:  #3de79e;
  --accent-wash: rgba(10,143,88,.08);
  --lb-green:    #2ec96e;  /* the bright LB monogram */

  /* Grounds */
  --surface:    #ffffff;
  --paper:      #f7f9fb;
  --alt:        #f2f5f9;
  --dark:       #0a0e17;
  --dark-2:     #101723;

  /* Lines */
  --line:       rgba(11,16,23,.11);
  --line-soft:  rgba(11,16,23,.06);
  --line-dark:  rgba(255,255,255,.12);

  /* Type */
  --sans:  "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --display: "Poppins", var(--sans);
  --mono:  "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  /* Layout */
  --max:    1200px;
  --narrow: 760px;
  --radius:    16px;
  --radius-sm: 10px;
  --shadow:    0 1px 2px rgba(11,16,23,.04), 0 12px 32px -12px rgba(11,16,23,.10);
  --shadow-lg: 0 2px 6px rgba(11,16,23,.05), 0 28px 60px -20px rgba(11,16,23,.18);
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* Reset -------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-deep); }
::selection { background: rgba(10,143,88,.18); }

h1, h2, h3, h4 {
  font-family: var(--display);
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  font-weight: 600;
}
h1 { font-size: clamp(2.3rem, 4.6vw, 3.4rem); letter-spacing: -0.033em; line-height: 1.05; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); letter-spacing: -0.03em; }
h3 { font-size: 1.24rem; letter-spacing: -0.02em; }
p  { margin: 0 0 1.1em; }

.wrap   { max-width: var(--max);    margin: 0 auto; padding: 0 32px; }
.narrow { max-width: var(--narrow); margin: 0 auto; padding: 0 32px; }

/* Eyebrow / mono labels ---------------------------------------------------- */
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent); opacity: .6; }
.eyebrow--muted { color: var(--muted); }
.eyebrow--muted::before { background: var(--muted); }
.eyebrow--center { justify-content: center; }

/* Header ------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(247,249,251,.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 32px; height: 74px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__logo {
  width: 27px; height: 33px; flex: none; display: block;
  background: var(--lb-green);
  -webkit-mask: url("lb-mark.png") center / contain no-repeat;
          mask: url("lb-mark.png") center / contain no-repeat;
}
.site-footer__brand .brand__logo { background: var(--lb-green); }
.brand__mark {
  font-family: var(--display); font-weight: 600; font-size: 1.24rem;
  letter-spacing: -0.03em; color: var(--ink); line-height: 1; white-space: nowrap;
}
.brand__mark .dot { color: var(--accent); }
.brand__sub {
  font-family: var(--mono); font-size: .66rem; font-weight: 500; letter-spacing: .22em;
  text-transform: uppercase; color: var(--muted); padding-left: 13px;
  border-left: 1px solid var(--line); align-self: stretch; display: flex; align-items: center;
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav__links { display: flex; align-items: center; gap: 2px; }
.nav a {
  font-size: .93rem; font-weight: 500; color: var(--body);
  padding: 9px 14px; border-radius: var(--radius-sm);
  transition: color .15s var(--ease), background .15s var(--ease);
}
.nav a:hover { color: var(--ink); background: rgba(11,16,23,.045); }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.nav a.is-external::after { content: "↗"; font-size: .82em; margin-left: 5px; opacity: .5; }
.nav__cta { margin-left: 8px; }

/* Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: 9px; font-family: var(--sans);
  font-size: .94rem; font-weight: 600; letter-spacing: -0.01em; padding: 13px 22px;
  border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer;
  transition: transform .14s var(--ease), background .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
  text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn .arw { transition: transform .18s var(--ease); }
.btn:hover .arw { transform: translateX(3px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: #000; color: #fff; }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-deep); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: rgba(11,16,23,.28); background: rgba(11,16,23,.02); }
.btn--sm { padding: 9px 16px; font-size: .88rem; }
.btn--on-dark { background: #fff; color: var(--ink); }
.btn--on-dark:hover { background: var(--accent-lit); color: var(--ink-deep); }

/* Home hero — Greenwich view, image kept vivid, text centred --------------- */
.hero { position: relative; isolation: isolate; overflow: hidden; border-bottom: 1px solid var(--line-soft); }

.hero--home { padding: 128px 0 116px; text-align: center; }
.hero--home::before {                /* the photograph — kept largely vivid */
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: url("hero-greenwich.webp") center 46% / cover no-repeat;
  filter: saturate(1.02) contrast(1.01);
}
.hero--home::after {                 /* gentle wash + a soft light pocket behind the text */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(720px 440px at 50% 44%, rgba(247,249,251,.86), rgba(247,249,251,.46) 52%, rgba(247,249,251,.14) 78%),
    linear-gradient(180deg, rgba(247,249,251,.30) 0%, rgba(247,249,251,.22) 52%, rgba(247,249,251,.80) 90%, var(--paper) 100%);
}
.hero__inner { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.hero--home .hero__col { max-width: 760px; margin: 0 auto; }
.hero__wordmark {
  font-family: var(--display); font-weight: 600; color: var(--ink);
  font-size: clamp(2.7rem, 7vw, 4.8rem); line-height: 1; letter-spacing: -0.04em;
  margin: 0 0 30px;
}
.hero__wordmark .dot { color: var(--accent); }
.hero__lead {
  font-size: clamp(1.06rem, 1.4vw, 1.2rem); line-height: 1.55; color: #33404e;
  max-width: 560px; margin: 0 auto 30px;
}

/* Sub-page hero (compact, editorial) --------------------------------------- */
.page-hero { padding: 72px 0 40px; border-bottom: 1px solid var(--line-soft); }
.page-hero__inner { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
.page-hero h1 { margin: 0 0 16px; max-width: 15ch; }
.page-hero .lead { font-size: clamp(1.1rem, 1.5vw, 1.3rem); line-height: 1.5; color: #33404e; max-width: 640px; margin: 0; }
.page-hero__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; }

/* Subscribe form ----------------------------------------------------------- */
.subscribe { max-width: 480px; }
.subscribe--center { margin: 0 auto; }
.subscribe--center .subscribe__label,
.subscribe--center .subscribe__note { text-align: center; }
.subscribe__label {
  font-family: var(--mono); font-size: .72rem; font-weight: 500; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 10px;
}
.subscribe__row {
  display: flex; gap: 9px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 6px; box-shadow: var(--shadow);
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}
.subscribe__row:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-wash); }
.subscribe input[type="email"] {
  flex: 1; min-width: 0; font: inherit; font-size: .98rem; padding: 10px 12px;
  border: 0; background: transparent; color: var(--ink);
}
.subscribe input[type="email"]:focus { outline: none; }
.subscribe input::placeholder { color: var(--faint); }
.subscribe__note { font-size: .82rem; color: var(--muted); margin: 12px 0 0; }
.subscribe__note a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
.subscribe__note a:hover { color: var(--accent); }
.subscribe__status { font-size: .88rem; margin: 10px 0 0; display: none; }
.subscribe__status.is-visible { display: block; }
.subscribe__status--ok   { color: var(--accent-deep); }
.subscribe__status--todo { color: #a8621a; }

/* Trust row ---------------------------------------------------------------- */
.trust {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 34px;
  font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.trust--center { justify-content: center; }
.trust span { display: inline-flex; align-items: center; gap: 8px; }
.trust .tick { color: var(--accent); font-size: .9em; }

/* Sections ----------------------------------------------------------------- */
.section { padding: 92px 0; }
.section--tight { padding: 72px 0; }
.section--alt { background: var(--alt); border-block: 1px solid var(--line-soft); }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 48px; }
.section__head .lede { max-width: 560px; }
.section__head h2 { margin: 0; }
.section__head p { margin: 14px 0 0; color: var(--body); }
.section__head .side { color: var(--muted); font-size: .95rem; max-width: 300px; text-align: right; }

/* Pillars / overview cards ------------------------------------------------- */
.pillars {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface);
}
.pillar {
  padding: 34px 30px 30px; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; min-height: 260px;
  transition: background .18s var(--ease); text-decoration: none; color: inherit;
}
.pillar:last-child { border-right: 0; }
.pillar:hover { background: var(--alt); }
.pillar__no { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; color: var(--accent); margin-bottom: 22px; }
.pillar__ic { width: 34px; height: 34px; margin-bottom: 20px; color: var(--ink); }
.pillar h3 { margin: 0 0 8px; color: var(--ink); }
.pillar p { font-size: .93rem; color: var(--muted); margin: 0; }
.pillar__cta { margin-top: auto; padding-top: 22px; font-size: .9rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 7px; }
.pillar__cta .arw { transition: transform .18s var(--ease); }
.pillar:hover .pillar__cta .arw { transform: translateX(3px); }

/* Featured briefing + archive ---------------------------------------------- */
.briefing { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: stretch; }
.briefing--single { grid-template-columns: 1fr; max-width: 820px; }
.feature {
  display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px; background: var(--surface); box-shadow: var(--shadow);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease); text-decoration: none;
}
.feature:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.feature__meta {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); display: flex; gap: 16px; margin-bottom: 22px;
}
.feature__meta .live { color: var(--accent); display: inline-flex; align-items: center; gap: 7px; }
.feature__meta .live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
.feature h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); color: var(--ink); margin-bottom: 14px; letter-spacing: -0.025em; }
.feature p { color: var(--body); margin-bottom: 26px; font-size: 1.02rem; }
.feature__cta { margin-top: auto; color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.feature:hover .feature__cta .arw { transform: translateX(3px); }
.feature .arw { transition: transform .18s var(--ease); }

.archive { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 12px 24px; display: flex; flex-direction: column; }
.archive__head { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); padding: 18px 4px 14px; border-bottom: 1px solid var(--line-soft); }
.issues { list-style: none; margin: 0; padding: 0; }
.issues li { border-bottom: 1px solid var(--line-soft); }
.issues li:last-child { border-bottom: 0; }
.issues a { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; align-items: baseline; padding: 18px 4px; text-decoration: none; transition: padding .16s var(--ease); }
.issues a:hover { padding-left: 10px; }
.issues a:hover .issues__title { color: var(--accent); }
.issues__no { font-family: var(--mono); font-size: .78rem; color: var(--accent); letter-spacing: .04em; }
.issues__date { font-family: var(--mono); font-size: .74rem; color: var(--muted); grid-column: 2; }
.issues__title { color: var(--ink); font-weight: 600; font-size: .98rem; grid-column: 1 / -1; transition: color .15s var(--ease); }
.issues__empty { padding: 24px 4px; color: var(--muted); font-size: .95rem; }
.archive__foot { margin-top: auto; padding: 16px 4px; font-size: .9rem; }

/* Full archive list (newsletter page) -------------------------------------- */
.issues--full { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 6px 28px; }
.issues--full a { grid-template-columns: 64px 1fr auto; gap: 6px 22px; padding: 26px 4px; }
.issues--full .issues__no { grid-column: 1; }
.issues--full .issues__title { grid-column: 2; font-size: 1.1rem; }
.issues--full .issues__title span { display: block; font-weight: 400; font-size: .93rem; color: var(--muted); margin-top: 5px; }
.issues--full .issues__date { grid-column: 3; grid-row: 1; text-align: right; }

/* Editorial list (white papers) -------------------------------------------- */
.papers { border-top: 1px solid var(--line); }
.paper { display: grid; grid-template-columns: 132px 1fr auto; gap: 28px; align-items: start; padding: 30px 8px; border-bottom: 1px solid var(--line); transition: background .16s var(--ease), padding .16s var(--ease); text-decoration: none; color: inherit; }
.paper:hover { background: var(--surface); padding-inline: 18px; }
.paper__tag { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.paper__tag b { display: block; color: var(--accent); font-weight: 500; margin-bottom: 4px; }
.paper__body h3 { font-size: 1.16rem; margin: 0 0 7px; color: var(--ink); }
.paper__body p { margin: 0; color: var(--muted); font-size: .95rem; max-width: 560px; }
.paper__meta { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; color: var(--faint); text-transform: uppercase; white-space: nowrap; padding-top: 3px; display: inline-flex; align-items: center; gap: 8px; }
.paper:hover .paper__meta { color: var(--accent); }

/* White paper — single featured (coming soon) ------------------------------ */
.wp { display: grid; grid-template-columns: 320px 1fr; gap: 60px; align-items: center; }
.wp__cover { position: relative; aspect-ratio: 1 / 1.414; border-radius: 6px; overflow: hidden; box-shadow: var(--shadow-lg); background: linear-gradient(145deg, #f2f6fa, #e4ebf2); border: 1px solid var(--line); }
.wp__cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.wp__ph { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-between; padding: 26px 24px; }
.wp__ph .lb { width: 30px; height: 37px; background: var(--lb-green); -webkit-mask: url("lb-mark.png") center/contain no-repeat; mask: url("lb-mark.png") center/contain no-repeat; }
.wp__ph .t { font-family: var(--display); font-weight: 600; font-size: 1.5rem; letter-spacing: -0.02em; color: var(--ink); line-height: 1.12; }
.wp__ph .s { font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.wp__badge { display: inline-flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: .72rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; margin-bottom: 22px; }
.wp__badge .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
.wp__body h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin: 0 0 14px; }
.wp__body p { color: var(--body); max-width: 52ch; margin: 0 0 26px; }
@media (max-width: 760px) { .wp { grid-template-columns: 1fr; gap: 32px; } .wp__cover { max-width: 300px; } }

/* Courses ------------------------------------------------------------------ */
.courses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.course { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 28px 26px 26px; display: flex; flex-direction: column; transition: transform .16s var(--ease), box-shadow .16s var(--ease); }
.course:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.course__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.course__code { font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; color: var(--accent); }
.course__cpd { font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; }
.course h3 { font-size: 1.12rem; margin: 0 0 8px; color: var(--ink); }
.course p { font-size: .92rem; color: var(--muted); margin: 0 0 20px; }
.course__foot { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; align-items: center; font-size: .84rem; color: var(--muted); }
.course__foot .go { color: var(--accent); font-weight: 600; }

/* Reading list — real book covers ------------------------------------------ */
.books { display: grid; grid-template-columns: repeat(3, 1fr); gap: 44px 40px; }
.book { display: flex; flex-direction: column; }
.book__cover {
  position: relative; aspect-ratio: 2 / 3; border-radius: 4px 8px 8px 4px; overflow: hidden;
  background: linear-gradient(135deg, #16202b, #0d151d);
  box-shadow: 0 1px 1px rgba(11,16,23,.14), 0 18px 34px -14px rgba(11,16,23,.45);
  border-left: 3px solid rgba(255,255,255,.10);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.book:hover .book__cover { transform: translateY(-4px); box-shadow: 0 2px 2px rgba(11,16,23,.16), 0 26px 44px -14px rgba(11,16,23,.5); }
.book__cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.book__ph {           /* shown until a real cover is dropped in (img onerror hides the img) */
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-between;
  padding: 20px 18px; color: rgba(255,255,255,.92);
}
.book__ph .t { font-family: var(--display); font-weight: 600; font-size: 1.05rem; line-height: 1.2; letter-spacing: -0.01em; }
.book__ph .b { font-family: var(--mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.5); }
.book__ph::after { content: ""; position: absolute; left: 18px; right: 18px; top: 50%; height: 1px; background: rgba(255,255,255,.14); }
.book__meta { margin-top: 20px; }
.book__title { font-family: var(--display); font-weight: 600; color: var(--ink); font-size: 1.06rem; letter-spacing: -0.02em; margin: 0 0 3px; }
.book__author { font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.book__why { font-size: .95rem; color: var(--body); margin: 0; }

/* Split band (text + integrated image, no caption box) --------------------- */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.split__body h2 { margin: 0 0 16px; }
.split__body p { color: var(--body); max-width: 46ch; }
.split__figure { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.split__figure img { width: 100%; height: 100%; max-height: 520px; object-fit: cover; object-position: center 32%; display: block; }
.split__figure::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px var(--line); background: linear-gradient(160deg, transparent 60%, rgba(10,143,88,.10)); border-radius: var(--radius); }

/* CTA band (dark) ---------------------------------------------------------- */
.cta { background: var(--dark); color: rgba(255,255,255,.72); position: relative; overflow: hidden; isolation: isolate; }
.cta::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(680px 300px at 82% -20%, rgba(61,231,158,.16), transparent 70%), radial-gradient(560px 320px at 6% 120%, rgba(10,143,88,.20), transparent 68%); }
.cta__inner { max-width: var(--max); margin: 0 auto; padding: 84px 32px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.cta h2 { color: #fff; margin: 0 0 14px; }
.cta p { margin: 0; color: rgba(255,255,255,.66); max-width: 460px; }
.cta .eyebrow { color: var(--accent-lit); }
.cta .eyebrow::before { background: var(--accent-lit); }
.cta__form .subscribe__row { background: var(--dark-2); border-color: var(--line-dark); box-shadow: none; }
.cta__form .subscribe__row:focus-within { border-color: var(--accent-lit); box-shadow: 0 0 0 4px rgba(61,231,158,.14); }
.cta__form input[type="email"] { color: #fff; }
.cta__form input::placeholder { color: rgba(255,255,255,.4); }
.cta__form .subscribe__label { color: rgba(255,255,255,.6); }
.cta__form .subscribe__note { color: rgba(255,255,255,.5); }
.cta__form .subscribe__note a { color: rgba(255,255,255,.6); }
.cta__form .subscribe__status--ok { color: var(--accent-lit); }

/* Footer ------------------------------------------------------------------- */
.site-footer { background: var(--dark); color: rgba(255,255,255,.6); padding: 72px 0 32px; border-top: 1px solid rgba(255,255,255,.06); }
.site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: var(--accent-lit); }
.site-footer__grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; }
.site-footer__brand .brand__mark { color: #fff; font-size: 1.3rem; }
.site-footer__brand p { font-size: .92rem; max-width: 300px; margin: 18px 0 0; color: rgba(255,255,255,.55); }
.site-footer h4 { font-family: var(--mono); color: rgba(255,255,255,.85); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 500; margin: 0 0 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 11px; font-size: .93rem; }
.site-footer__bar { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .84rem; color: rgba(255,255,255,.45); }
.site-footer__bar a { color: rgba(255,255,255,.55); }

/* Article (issue pages) ---------------------------------------------------- */
.article { padding: 72px 0 96px; }
.article__head { border-bottom: 1px solid var(--line); padding-bottom: 32px; margin-bottom: 40px; }
.article__meta { font-family: var(--mono); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); display: flex; flex-wrap: wrap; gap: 18px; margin: 0 0 18px; }
.article__head h1 { font-size: clamp(2rem, 4vw, 3rem); }
.article__standfirst { font-size: 1.24rem; color: #33404e; line-height: 1.5; margin: 10px 0 0; }
.article__body { font-size: 1.07rem; color: var(--body); }
.article__body h2 { margin-top: 1.8em; font-size: 1.5rem; }
.article__body h3 { margin-top: 1.5em; }
.article__body ul, .article__body ol { padding-left: 1.25em; margin: 0 0 1.2em; }
.article__body li { margin-bottom: .5em; }
.article__body blockquote { margin: 1.6em 0; padding: 6px 0 6px 24px; border-left: 3px solid var(--accent); color: var(--ink); font-size: 1.14rem; }
.article__body hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.article__body code { font-family: var(--mono); font-size: .86em; background: var(--alt); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
.article__body pre { background: var(--dark); color: #dcece3; padding: 20px 22px; border-radius: var(--radius-sm); overflow-x: auto; font-family: var(--mono); font-size: .86rem; }
.article__body pre code { background: none; border: 0; padding: 0; color: inherit; }
.article__nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); font-size: .94rem; }

.placeholder { border: 1px dashed var(--line); background: var(--surface); border-radius: var(--radius); padding: 28px; color: var(--muted); font-size: .95rem; }
.placeholder strong { color: var(--ink); display: block; margin-bottom: 6px; }

/* Responsive --------------------------------------------------------------- */
@media (max-width: 1040px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .pillar:nth-child(2) { border-right: 0; }
  .pillar:nth-child(1), .pillar:nth-child(2) { border-bottom: 1px solid var(--line); }
  .courses { grid-template-columns: 1fr 1fr; }
  .books { grid-template-columns: repeat(3, 1fr); gap: 36px 28px; }
  .cta__inner { grid-template-columns: 1fr; gap: 34px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 880px) {
  .briefing { grid-template-columns: 1fr; }
  .section__head { flex-direction: column; align-items: flex-start; }
  .section__head .side { text-align: left; max-width: none; }
  .nav__links { display: none; }
  .books { grid-template-columns: repeat(2, 1fr); gap: 34px 26px; }
  .issues--full a { grid-template-columns: 48px 1fr; }
  .issues--full .issues__date { grid-column: 2; grid-row: 2; text-align: left; }
}
@media (max-width: 640px) {
  .wrap, .narrow, .hero__inner, .page-hero__inner, .site-header__inner { padding-inline: 20px; }
  .hero--home { padding: 92px 0 76px; }
  .section { padding: 60px 0; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: 0; border-bottom: 1px solid var(--line); min-height: 0; }
  .pillar:last-child { border-bottom: 0; }
  .courses { grid-template-columns: 1fr; }
  .books { grid-template-columns: 1fr 1fr; gap: 26px 20px; }
  .paper { grid-template-columns: 1fr; gap: 10px; }
  .paper__meta { padding-top: 0; }
  .subscribe__row { flex-wrap: wrap; }
  .subscribe .btn { width: 100%; justify-content: center; }
  .brand__sub { display: none; }
  .cta__inner { padding: 60px 20px; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }