:root {
  --surface: oklch(0.985 0.012 214);
  --panel: oklch(1 0 0);
  --ice: oklch(0.935 0.045 212);
  --ink: oklch(0.16 0.035 246);
  --muted: oklch(0.43 0.04 238);
  --line: oklch(0.82 0.04 224);
  --blue: oklch(0.52 0.18 247);
  --tomato: oklch(0.64 0.19 32);
  --lime: oklch(0.84 0.15 122);
  --shadow: 0 18px 55px oklch(0.18 0.05 246 / .12);
  --font-display: "Afacad Flux", "Trebuchet MS", sans-serif;
  --font-body: "Afacad Flux", "Trebuchet MS", sans-serif;
  --font-serif: "Literata", Georgia, serif;
}
* { box-sizing: border-box; }
html { overflow-x: clip; }
body {
  margin: 0;
  background:
    linear-gradient(180deg, var(--ice) 0 360px, var(--surface) 360px),
    var(--surface);
  color: var(--ink);
  font: 400 1.05rem/1.56 var(--font-body);
  letter-spacing: 0;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.site-header {
  width: min(1220px, calc(100% - 32px));
  margin: 16px auto 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: .55rem;
  background: oklch(1 0 0 / .88);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 20;
}
.brand { display: inline-flex; align-items: center; gap: .72rem; text-decoration: none; font-weight: 750; }
.brand span {
  display: grid; place-items: center;
  width: 42px; height: 42px;
  background: var(--blue);
  color: white;
  border-radius: 4px;
  text-transform: uppercase;
  font-family: var(--font-serif);
}
.desktop-nav { justify-self: end; display: flex; align-items: center; gap: .2rem; }
.nav-group { position: relative; display: flex; align-items: center; min-height: 44px; }
.nav-group button, .nav-direct, .menu-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: .62rem .72rem;
  border-radius: 4px;
  font: 700 .9rem/1 var(--font-body);
  text-decoration: none;
  cursor: pointer;
}
.nav-group:hover button, .nav-group.is-open button, .nav-direct:hover, .menu-toggle:focus-visible { background: var(--ice); }
.nav-panel {
  position: absolute;
  top: 100%;
  right: 0;
  width: min(340px, 88vw);
  padding: .55rem;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(5px);
  transition: opacity .16s ease, transform .16s ease;
}
.nav-group:hover .nav-panel, .nav-group.is-open .nav-panel { opacity: 1; pointer-events: auto; transform: translateY(0); }
.nav-panel a { display: block; padding: .72rem .82rem; border-radius: 3px; text-decoration: none; }
.nav-panel a:hover, .nav-panel a[aria-current="page"] { background: var(--ice); color: var(--blue); }
.menu-toggle, .mobile-nav { display: none; }
.academy-hero {
  width: min(1220px, calc(100% - 32px));
  margin: clamp(1.2rem, 4vw, 3.4rem) auto 0;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(320px, .84fr);
  gap: clamp(1.2rem, 3vw, 2.6rem);
  align-items: stretch;
}
.hero-copy {
  min-width: 0;
  display: grid;
  align-content: center;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(1.2rem, 4vw, 3.2rem);
}
.eyebrow, .section-kicker {
  color: var(--blue);
  font-size: .82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
}
h1 {
  margin: .65rem 0 1rem;
  max-width: 900px;
  font: 800 clamp(3.1rem, 8vw, 8.4rem)/.82 var(--font-display);
  text-transform: uppercase;
  overflow-wrap: break-word;
  text-wrap: balance;
}
.hero p { max-width: 720px; margin: 0; color: var(--muted); font-size: clamp(1.08rem, 1.4vw, 1.24rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.45rem; }
.primary-link, .secondary-link {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .82rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 800;
}
.primary-link { background: var(--tomato); color: white; }
.secondary-link { background: var(--ice); color: var(--blue); }
.hero-media {
  margin: 0;
  position: relative;
  min-height: 420px;
  background: var(--ink);
  border: 1px solid var(--line);
  overflow: hidden;
}
.hero-media img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; filter: saturate(.95) contrast(1.04); }
.hero-media figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: .85rem 1rem;
  color: var(--ink);
  background: var(--lime);
  border-radius: 4px;
}
.hero-media figcaption strong { font-weight: 850; text-transform: uppercase; }
.hero-media figcaption span { max-width: 300px; line-height: 1.2; }
.course-strip, .lesson-strip {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--ink);
  color: white;
}
.course-strip div, .lesson-strip span { padding: 1rem; border-right: 1px solid oklch(1 0 0 / .22); }
.course-strip div:last-child, .lesson-strip span:last-child { border-right: 0; }
.course-strip span { display: block; color: oklch(0.86 0.04 224); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.course-strip strong, .lesson-strip span { font-weight: 800; }
.program-index, .faq-section, .home-body {
  width: min(1220px, calc(100% - 32px));
  margin: clamp(3rem, 7vw, 6rem) auto;
}
.section-intro {
  display: grid;
  grid-template-columns: .62fr 1.38fr;
  gap: clamp(1rem, 3vw, 2.4rem);
  align-items: end;
  margin-bottom: 1rem;
}
.section-intro h2, .faq-section h2 {
  margin: .3rem 0 0;
  font: 800 clamp(2rem, 4.8vw, 5rem)/.9 var(--font-display);
  text-transform: uppercase;
  text-wrap: balance;
}
.program-list {
  display: grid;
  border-top: 1px solid var(--line);
  background: var(--panel);
}
.program-row {
  min-width: 0;
  display: grid;
  grid-template-columns: 76px 178px minmax(0, 1fr) auto;
  gap: clamp(.8rem, 2vw, 1.3rem);
  align-items: center;
  padding: .9rem;
  border: 1px solid var(--line);
  border-top: 0;
  text-decoration: none;
  transition: background-color .16s ease, color .16s ease;
}
.program-row:hover { background: var(--ice); }
.program-number { color: var(--tomato); font-weight: 850; font-size: 1.5rem; }
.program-row img { width: 178px; height: 104px; object-fit: cover; border-radius: 3px; }
.program-copy { display: grid; gap: .2rem; min-width: 0; }
.program-copy strong { font: 800 clamp(1.35rem, 2.4vw, 2.35rem)/1 var(--font-display); text-transform: uppercase; }
.program-copy em { color: var(--muted); font-style: normal; max-width: 74ch; }
.program-arrow {
  justify-self: end;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .58rem .78rem;
  font-weight: 800;
  white-space: nowrap;
}
.article-shell {
  width: min(1220px, calc(100% - 32px));
  margin: clamp(3rem, 7vw, 6rem) auto;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 238px;
  gap: clamp(1.1rem, 3vw, 2.4rem);
  align-items: start;
}
.article-content {
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(1.15rem, 3vw, 2.35rem);
}
.article-content h2 {
  margin: 2.2rem 0 .8rem;
  font: 800 clamp(1.75rem, 3vw, 3rem)/.98 var(--font-display);
  text-transform: uppercase;
}
.article-content h3 { margin: 1.55rem 0 .45rem; font-size: 1.32rem; line-height: 1.2; }
.article-content p { max-width: 74ch; }
.article-content ul, .article-content ol { padding-left: 1.25rem; }
.article-content li { margin: .35rem 0; }
.table-wrap { overflow-x: auto; margin: 1.2rem 0; border: 1px solid var(--line); background: var(--panel); }
table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: .96rem; }
th, td { padding: .78rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
th { background: var(--ice); font-weight: 800; color: var(--blue); }
.toc, .related {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: .9rem;
}
.toc span, .related > span { display: block; color: var(--blue); font-weight: 850; margin-bottom: .6rem; text-transform: uppercase; font-size: .83rem; letter-spacing: .08em; }
.toc ol { margin: 0; padding-left: 1.1rem; }
.toc a, .related a { color: var(--muted); text-decoration: none; }
.toc a:hover, .related a:hover { color: var(--tomato); }
.related { display: grid; gap: .8rem; }
.related a { display: grid; grid-template-columns: 74px 1fr; gap: .7rem; align-items: center; }
.related img { width: 74px; height: 56px; object-fit: cover; border-radius: 3px; }
.faq-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.5vw, 1.6rem);
  max-width: min(1120px, calc(100% - 32px));
}
.faq-section .section-kicker {
  justify-self: start;
}
.faq-section h2 {
  max-width: 920px;
}
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}
.faq-list details { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 0 .95rem; }
.faq-list summary {
  min-height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.28;
}
.faq-list summary::after { content: "+"; color: var(--tomato); font-size: 1.45rem; }
.faq-list details[open] summary::after { content: "-"; }
.faq-list p { margin: 0 0 1rem; color: var(--muted); }
.site-footer {
  width: min(1220px, calc(100% - 32px));
  margin: 5rem auto 1.5rem;
  padding: 1.2rem;
  background: var(--ink);
  color: oklch(0.86 0.04 224);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.site-footer strong { display: block; color: white; }
@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-flex; justify-self: end; align-items: center; }
  .mobile-nav {
    display: none;
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
    background: var(--panel);
    padding: .45rem 0 0;
  }
  .mobile-nav.is-open { display: grid; gap: .25rem; }
  .mobile-nav a, .mobile-nav summary { display: block; padding: .78rem; text-decoration: none; font-weight: 700; }
  .mobile-nav details { border-bottom: 1px solid var(--line); }
  .mobile-nav details a { padding-left: 1.4rem; color: var(--muted); }
  .academy-hero, .article-shell, .faq-section, .section-intro { grid-template-columns: 1fr; }
  .toc, .related { display: none; }
  .course-strip, .lesson-strip { grid-template-columns: repeat(2, 1fr); }
  .program-row { grid-template-columns: 58px 128px minmax(0, 1fr); }
  .program-arrow { display: none; }
  .program-row img { width: 128px; height: 86px; }
}
@media (max-width: 620px) {
  .site-header, .academy-hero, .course-strip, .lesson-strip, .program-index, .faq-section, .article-shell, .home-body, .site-footer { width: min(100% - 22px, 1220px); }
  .brand strong { max-width: 150px; line-height: 1; }
  h1 { font-size: clamp(2.45rem, 15vw, 4.4rem); }
  .hero-copy { padding: 1rem; }
  .hero-media, .hero-media img { min-height: 310px; }
  .hero-media figcaption { left: 10px; right: 10px; bottom: 10px; display: grid; }
  .course-strip, .lesson-strip { grid-template-columns: 1fr; }
  .course-strip div, .lesson-strip span { border-right: 0; border-bottom: 1px solid oklch(1 0 0 / .18); }
  .program-row { grid-template-columns: 48px minmax(0, 1fr); align-items: start; }
  .program-row img { grid-column: 1 / -1; width: 100%; height: auto; aspect-ratio: 16 / 9; }
  .article-content { padding: 1rem; }
  table { min-width: 560px; }
  .site-footer { display: grid; }
}
@media print {
  .site-header, .toc, .related, .site-footer, .hero-media { display: none !important; }
  body { background: #fff; color: #000; }
  .article-shell, .article-content { display: block; width: 100%; border: 0; padding: 0; }
}

/* craft pass: poster academy rhythm */
body {
  background:
    linear-gradient(90deg, oklch(0.88 0.04 230 / .58) 1px, transparent 1px) 0 0 / 84px 84px,
    linear-gradient(180deg, var(--ice) 0 430px, var(--surface) 430px);
}
.site-header {
  box-shadow: none;
  border-color: oklch(0.74 0.06 230);
}
.academy-hero {
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr);
  gap: 0;
  border: 1px solid var(--ink);
  background: var(--panel);
}
.hero-copy {
  position: relative;
  border: 0;
  border-right: 1px solid var(--ink);
  padding: clamp(1.25rem, 5vw, 4.2rem);
  overflow: hidden;
}
.hero-copy::after {
  content: "IH";
  position: absolute;
  right: clamp(.5rem, 2vw, 1.2rem);
  bottom: clamp(-1rem, -2vw, -.4rem);
  color: oklch(0.93 0.055 230);
  font: 850 clamp(5rem, 18vw, 16rem)/.76 var(--font-display);
  z-index: 0;
}
.hero-copy > * { position: relative; z-index: 1; }
h1 {
  color: var(--blue);
  font-size: clamp(2.9rem, 6.15vw, 6.35rem);
  max-width: 720px;
  line-height: .9;
  overflow-wrap: anywhere;
  hyphens: auto;
}
.hero p {
  max-width: 660px;
  color: var(--ink);
  font-weight: 500;
}
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.2rem;
}
.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .5rem .62rem;
  background: var(--ice);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: .9rem;
}
.hero-proof strong {
  color: var(--tomato);
  font-weight: 850;
  text-transform: uppercase;
}
.hero-media {
  min-height: 560px;
  border: 0;
}
.article-hero .hero-media { min-height: 500px; }
.hero-media img {
  min-height: inherit;
}
.hero-media figcaption {
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 0;
  background: var(--tomato);
  color: white;
}
.course-strip, .lesson-strip {
  border: 1px solid var(--ink);
  border-top: 0;
}
.program-list {
  border-top: 2px solid var(--ink);
  counter-reset: program;
}
.program-row {
  grid-template-columns: 92px 210px minmax(0, 1fr) 132px;
  padding: 1rem;
  border-color: var(--line);
  background:
    linear-gradient(90deg, oklch(0.98 0.02 224), var(--panel) 28%);
}
.program-row:nth-child(even) {
  background: var(--panel);
}
.program-row:hover,
.program-row:focus-visible {
  background: var(--ice);
  outline: 2px solid transparent;
}
.program-number {
  align-self: stretch;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: .85;
}
.program-row img {
  width: 210px;
  height: 124px;
  border-radius: 0;
  filter: saturate(.98) contrast(1.04);
}
.program-copy strong {
  color: var(--ink);
  letter-spacing: -.01em;
}
.program-arrow {
  border-radius: 4px;
  color: var(--blue);
}
.article-content {
  box-shadow: 10px 10px 0 oklch(0.90 0.05 230);
}
.home-body {
  display: block;
  max-width: min(980px, calc(100% - 32px));
  margin-top: clamp(2rem, 5vw, 4rem);
}
.home-body .article-content {
  width: 100%;
}
.home-body .article-content > .table-wrap:first-child {
  max-width: 560px;
}
.home-body .article-content h2:first-of-type {
  margin-top: 0;
}
@media (max-width: 980px) {
  .academy-hero { grid-template-columns: 1fr; }
  .hero-copy { border-right: 0; border-bottom: 1px solid var(--ink); }
  .hero-media, .article-hero .hero-media { min-height: 390px; }
  .program-row { grid-template-columns: 72px 150px minmax(0, 1fr); }
  .program-row img { width: 150px; height: 96px; }
  .faq-list { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .academy-hero { border-left: 0; border-right: 0; width: 100%; }
  .hero-copy::after { display: none; }
  .hero-media, .article-hero .hero-media { min-height: 300px; }
  .program-row { grid-template-columns: 1fr; }
  .program-number { place-items: start; padding: .55rem; }
  .program-row img { width: 100%; height: auto; aspect-ratio: 16 / 9; }
  .hero-proof span { width: 100%; justify-content: space-between; }
}