.codes-page { background: #fff; }
.codes-page [hidden] { display: none !important; }

.codes-hero {
  padding: 76px 0 64px;
  overflow: hidden;
  background: radial-gradient(circle at 82% 14%, rgba(255,255,255,.13), transparent 28%), linear-gradient(135deg, var(--navy-strong), var(--navy-soft));
  color: #fff;
}

.codes-hero-inner { max-width: 900px; }
.codes-hero .eyebrow { margin: 0 0 12px; color: #ffb3c2; }
.codes-hero h1 { max-width: 850px; margin: 0; color: #fff; font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: -.045em; line-height: 1.04; }
.codes-hero h1 + p { max-width: 750px; margin: 20px 0 0; color: rgba(255,255,255,.82); font-size: 1.05rem; line-height: 1.7; }

.codes-search { display: grid; grid-template-columns: 22px minmax(0,1fr) auto; align-items: center; gap: 12px; max-width: 780px; margin-top: 30px; padding: 9px 10px 9px 17px; border: 1px solid rgba(255,255,255,.34); border-radius: 12px; background: #fff; color: var(--navy); box-shadow: 0 18px 44px rgba(0,0,0,.2); }
.codes-search:focus-within { box-shadow: 0 0 0 4px rgba(255,255,255,.18), 0 18px 44px rgba(0,0,0,.2); }
.codes-search input { width: 100%; min-width: 0; padding: 8px 0; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; }
.codes-search input::placeholder { color: #7b8797; }
.codes-search button { padding: 7px 10px; border: 0; border-radius: 7px; background: #edf1f6; color: var(--navy); font: inherit; font-size: .78rem; font-weight: 700; cursor: pointer; }
.codes-result-count { margin: 12px 0 0; color: rgba(255,255,255,.7); font-size: .82rem; }
.codes-result-count strong { color: #fff; }

.codes-intro { padding: 56px 0; border-bottom: 1px solid var(--line); background: #f5f7fa; }
.codes-intro-grid { display: grid; grid-template-columns: minmax(280px,.85fr) minmax(0,1.15fr); gap: 72px; align-items: start; }
.codes-intro .eyebrow { margin: 0 0 8px; color: var(--red); }
.codes-intro h2 { margin: 0; color: var(--navy); font-size: clamp(1.65rem,3vw,2.25rem); letter-spacing: -.03em; line-height: 1.15; }
.codes-intro-grid > div:last-child p { margin: 0; color: #445164; line-height: 1.75; }
.codes-intro-grid > div:last-child p + p { margin-top: 12px; }
.codes-intro a, .decoder-source .text-link { color: var(--red); font-weight: 700; }

.codes-directory { padding: 64px 0 90px; }
.codes-layout { display: grid; grid-template-columns: 245px minmax(0,1fr); gap: 52px; align-items: start; }
.codes-sidebar { position: sticky; top: 86px; }
.codes-sidebar > div { max-height: calc(100vh - 190px); padding: 18px; overflow-y: auto; border: 1px solid #dce3ec; border-radius: 12px; background: #f8fafc; }
.codes-sidebar > div > p { margin: 0 0 10px; color: var(--navy); font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.codes-sidebar > div > a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 7px 5px; color: #4e5b6d; font-size: .76rem; line-height: 1.3; }
.codes-sidebar > div > a:hover { color: var(--red); }
.codes-sidebar b { min-width: 27px; padding: 3px 6px; border-radius: 999px; background: #e9eef5; color: var(--navy); font-size: .68rem; text-align: center; }
.codes-sidebar > a { display: flex; align-items: center; gap: 11px; margin-top: 12px; padding: 15px; border-radius: 11px; background: var(--navy); color: #fff; }
.codes-sidebar > a > i { font-size: 1.25rem; }
.codes-sidebar > a span { display: grid; gap: 2px; }
.codes-sidebar > a strong { font-size: .8rem; }
.codes-sidebar > a small { color: rgba(255,255,255,.68); font-size: .68rem; }

.code-group { scroll-margin-top: 84px; }
.code-group + .code-group { margin-top: 52px; }
.code-group-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 3px solid var(--navy); }
.code-group-heading h2 { margin: 0; color: var(--navy); font-size: clamp(1.35rem,2.5vw,1.8rem); letter-spacing: -.025em; }
.code-group-heading > span { flex: 0 0 auto; color: var(--muted); font-size: .72rem; font-weight: 700; }
.code-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.code-card { display: grid; grid-template-columns: 62px minmax(0,1fr); gap: 13px; align-items: start; min-height: 102px; padding: 15px; border: 1px solid #dce3ec; border-radius: 10px; background: #fff; box-shadow: 0 4px 12px rgba(12,35,64,.035); }
.code-card:hover { border-color: #bdc9d8; box-shadow: 0 9px 22px rgba(12,35,64,.08); }
.code-card:target { border-color: var(--red); box-shadow: 0 0 0 3px rgba(191,25,59,.1); }
.code-number { display: grid; min-height: 34px; place-items: center; border-radius: 7px; background: #eaf0f7; color: var(--navy); font-size: .84rem; font-weight: 800; letter-spacing: .04em; }
.code-number:hover { background: var(--navy); color: #fff; }
.code-card h3 { margin: 1px 0 4px; color: var(--navy); font-size: .89rem; line-height: 1.35; }
.code-card p { margin: 0; color: var(--muted); font-size: .69rem; line-height: 1.35; }
.code-guide-link { display: inline-flex; gap: 5px; align-items: center; margin-top: 7px; color: var(--red); font-size: .7rem; font-weight: 700; }
.codes-empty { padding: 36px; border: 1px dashed #c8d2df; border-radius: 12px; color: var(--muted); text-align: center; }

.codes-next { padding: 66px 0; background: #f3f6f9; }
.codes-next .container { display: flex; align-items: center; justify-content: space-between; gap: 44px; }
.codes-next .eyebrow { margin: 0 0 8px; color: var(--red); }
.codes-next h2 { margin: 0; color: var(--navy); font-size: clamp(1.65rem,3vw,2.35rem); letter-spacing: -.03em; }
.codes-next p:not(.eyebrow) { max-width: 680px; margin: 11px 0 0; color: var(--muted); }
.codes-next .container > div:last-child { display: flex; flex: 0 0 auto; gap: 10px; }

.decoder-hero .codes-hero-inner { max-width: 920px; }
.decoder-choices { margin-top: -1px; padding: 28px 0; border-bottom: 1px solid var(--line); background: #fff; }
.decoder-choices .container { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.decoder-choices a { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; gap: 11px; align-items: center; padding: 17px; border: 1px solid #dce3ec; border-radius: 11px; color: var(--navy); box-shadow: 0 5px 14px rgba(12,35,64,.04); }
.decoder-choices a:hover { border-color: #becbd9; transform: translateY(-1px); box-shadow: 0 10px 22px rgba(12,35,64,.08); }
.decoder-choices a > i:first-child { font-size: 1.35rem; }
.decoder-choices span { display: grid; gap: 3px; }
.decoder-choices strong { font-size: .86rem; }
.decoder-choices small { color: var(--muted); font-size: .7rem; }

.decoder-directory { padding: 58px 0 86px; }
.decoder-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.decoder-filter button { padding: 9px 14px; border: 1px solid #d5deea; border-radius: 999px; background: #fff; color: var(--navy); font: inherit; font-size: .76rem; font-weight: 700; cursor: pointer; }
.decoder-filter button:hover, .decoder-filter button.is-active { border-color: var(--navy); background: var(--navy); color: #fff; }
.decoder-group { scroll-margin-top: 88px; }
.decoder-group + .decoder-group { margin-top: 52px; }
.decoder-group .code-group-heading { align-items: center; }
.decoder-group .code-group-heading p { margin: 5px 0 0; color: var(--muted); font-size: .78rem; }
.decoder-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.decoder-card { padding: 19px; border: 1px solid #dce3ec; border-radius: 11px; background: #fff; box-shadow: 0 5px 15px rgba(12,35,64,.04); }
.decoder-card:hover { border-color: #bdc9d8; box-shadow: 0 10px 24px rgba(12,35,64,.08); }
.decoder-code { display: inline-flex; margin-bottom: 11px; padding: 5px 9px; border-radius: 6px; background: #eaf0f7; color: var(--navy); font-size: .72rem; font-weight: 800; letter-spacing: .04em; }
.decoder-card h3 { margin: 0; color: var(--navy); font-size: .96rem; line-height: 1.35; }
.decoder-card p { margin: 7px 0 0; color: #566477; font-size: .78rem; line-height: 1.6; }
.decoder-source { padding: 64px 0; background: #f3f6f9; }
.decoder-source .container { display: flex; align-items: center; justify-content: space-between; gap: 44px; }
.decoder-source .container > div:first-child { display: grid; grid-template-columns: 36px minmax(0,1fr); max-width: 740px; }
.decoder-source .container > div:first-child > i { grid-row: 1 / span 2; color: var(--red); font-size: 1.55rem; }
.decoder-source h2 { margin: 0; color: var(--navy); font-size: 1.5rem; }
.decoder-source p { margin: 8px 0 0; color: var(--muted); line-height: 1.65; }
.decoder-source .container > div:last-child { display: grid; flex: 0 0 auto; gap: 10px; text-align: center; }
.decoder-source .text-link { font-size: .74rem; }

@media (max-width: 900px) {
  .codes-layout { grid-template-columns: 1fr; }
  .codes-sidebar { position: static; }
  .codes-sidebar > div { display: flex; gap: 7px; max-height: none; overflow-x: auto; }
  .codes-sidebar > div > p { display: none; }
  .codes-sidebar > div > a { flex: 0 0 auto; gap: 7px; padding: 8px 10px; border-radius: 8px; background: #edf1f6; }
  .codes-sidebar > a { max-width: 300px; }
  .decoder-choices .container { grid-template-columns: 1fr; }
  .codes-next .container, .decoder-source .container { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 680px) {
  .codes-hero { padding: 58px 0 50px; }
  .codes-intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .codes-directory, .decoder-directory { padding: 44px 0 66px; }
  .code-grid, .decoder-grid { grid-template-columns: 1fr; }
  .code-card { min-height: 0; }
  .codes-next .container > div:last-child { width: 100%; flex-direction: column; }
  .codes-next .button { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .decoder-choices a { transition: none; }
}