/* Layout: a modern bookshop. Hero with a fanned stack of real covers, then one "shelf" per series,
   the German workbook shelf sits on school-ruled paper (Lineatur). Covers lead, words support. */
:root {
  --paper: #F6F7FB;          /* cool page, slight ink-blue bias */
  --paper-2: #ECEFF7;        /* shelf band */
  --card: #FFFFFF;
  --ink: #141B33;            /* text */
  --muted: #586282;
  --royal: #2342C8;          /* Königsblau: school fountain-pen ink, the accent */
  --royal-ink: #FFFFFF;
  --rule: #CCD5EC;           /* ruled-paper lines */
  --rule-mid: #E8A3A3;       /* the red margin line of a school exercise book */
  --marker: #FFE27A;         /* highlighter, used once in the hero */
  --shadow: 0 1px 2px rgba(20,27,51,.08), 0 10px 24px -8px rgba(20,27,51,.22);
  /* cover colours are printed objects: identical in both themes */
  --c-eng: #1D2F7A;  --c-eng-2: #3F5BE0;
  --c-de: #0E5E4E;   --c-de-2: #27A383;
  --c-life: #8A4B12; --c-life-2: #E09A3E;
  --c-career: #5B1730; --c-career-2: #C2456E;
  --c-ai: #24205E;  --c-ai-2: #7C6CF2;
  --c-lang: #7A2318; --c-lang-2: #E2603F;
  --c-cover-ink: #FFFFFF;

  --f-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-body: "Literata", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --f-hand: "Playwrite DE SAS", "Segoe Script", "Brush Script MT", cursive;

  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0E1222; --paper-2: #151A2E; --card: #1A2038;
    --ink: #E8ECF7; --muted: #A1AACA; --royal: #8FA5FF; --royal-ink: #0E1222;
    --rule: #262F4F; --rule-mid: #6E3A44; --marker: #8C7420;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 28px -10px rgba(0,0,0,.7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0E1222; --paper-2: #151A2E; --card: #1A2038;
  --ink: #E8ECF7; --muted: #A1AACA; --royal: #8FA5FF; --royal-ink: #0E1222;
  --rule: #262F4F; --rule-mid: #6E3A44; --marker: #8C7420;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 28px -10px rgba(0,0,0,.7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--royal); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
h1, h2, h3 { font-family: var(--f-display); text-wrap: balance; margin: 0; line-height: 1.08; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 4.2vw, 2.9rem); font-weight: 750; }
.eyebrow { font: 500 .75rem/1.2 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--royal); margin: 0 0 .9rem; }

/* ---------- header ---------- */
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.top__in { display: flex; align-items: center; gap: 1.25rem; min-height: 4rem; }
.logo { font: 800 1.45rem/1 var(--f-display); letter-spacing: -0.03em; text-decoration: none; display: flex; align-items: baseline; gap: .1rem; }
.logo b { color: var(--royal); font-weight: 800; }
.nav { display: flex; gap: 1.4rem; margin-left: auto; font: 500 .95rem/1 var(--f-display); }
.nav a { text-decoration: none; color: var(--muted); padding-block: .4rem; }
.nav a:hover { color: var(--ink); }
.lang { font: 500 .75rem/1 var(--f-mono); border: 1px solid var(--rule); border-radius: 99px; padding: .45rem .7rem; text-decoration: none; color: var(--muted); }
.lang:hover { border-color: var(--royal); color: var(--royal); }
@media (max-width: 760px) { .nav { display: none; } .lang { margin-left: auto; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font: 600 .9rem/1 var(--f-display); text-decoration: none; white-space: nowrap;
  padding: .75rem 1.05rem; border-radius: 10px; border: 1.5px solid transparent;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary, .btn--ebook { background: var(--royal); color: var(--royal-ink); }
.btn--ghost, .btn--print { border-color: var(--rule); color: var(--ink); background: var(--card); }
.btn--ghost:hover, .btn--print:hover { border-color: var(--royal); }
.btn--lg { padding: 1rem 1.4rem; font-size: 1rem; }
.price { font-family: var(--f-mono); font-weight: 500; font-variant-numeric: tabular-nums; opacity: .92; }

/* ---------- hero ---------- */
.hero { padding-block: clamp(2.5rem, 7vw, 5.5rem) clamp(2.5rem, 6vw, 4.5rem); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 6.4vw, 4.9rem); font-weight: 800; letter-spacing: -0.035em; }
.hero h1 mark { background: linear-gradient(transparent 58%, var(--marker) 58%, var(--marker) 92%, transparent 92%); color: inherit; padding-inline: .06em; }
.hero__lede { font-size: clamp(1.08rem, 1.6vw, 1.22rem); color: var(--muted); max-width: 34rem; margin: 1.4rem 0 2rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.formats { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; margin: 2.2rem 0 0; padding: 0; list-style: none; font: 500 .78rem/1.3 var(--f-mono); letter-spacing: .04em; color: var(--muted); }
.formats li { display: flex; align-items: center; gap: .5rem; }
.formats li::before { content: ""; width: .5rem; height: .5rem; border-radius: 2px; background: var(--royal); }

/* fanned stack of covers */
.fan { position: relative; height: clamp(20rem, 38vw, 27rem); }
.fan .cover { position: absolute; width: clamp(9.5rem, 17vw, 13rem); top: 50%; left: 50%; transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.fan .cover:nth-child(1) { transform: translate(-125%, -46%) rotate(-11deg); }
.fan .cover:nth-child(2) { transform: translate(-50%, -56%) rotate(-1deg); z-index: 3; }
.fan .cover:nth-child(3) { transform: translate(22%, -44%) rotate(9deg); z-index: 2; }
.fan .cover:nth-child(4) { transform: translate(-88%, -20%) rotate(-4deg); z-index: 1; opacity: 0; }
.fan:hover .cover:nth-child(1) { transform: translate(-140%, -48%) rotate(-14deg); }
.fan:hover .cover:nth-child(3) { transform: translate(38%, -46%) rotate(12deg); }
.fan__note {
  position: absolute; z-index: 4; right: 0; bottom: .5rem; transform: rotate(-3deg);
  background: var(--card); box-shadow: var(--shadow); border-radius: 6px;
  padding: .7rem 1rem .55rem; font: 400 1.05rem/2rem var(--f-hand); color: var(--royal);
  background-image: repeating-linear-gradient(to bottom, transparent 0 calc(2rem - 1px), var(--rule) calc(2rem - 1px) 2rem);
  background-position: 0 .7rem;
}
@media (max-width: 820px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .fan { order: -1; height: 17.5rem; }
  .fan .cover { width: 9rem; }
  .fan__note { right: 50%; transform: translateX(50%) rotate(-3deg); bottom: -.4rem; font-size: .92rem; }
}

/* ---------- covers (designed stand-ins; the real cover image sits on top when it loads) ---------- */
.cover {
  --a: var(--c-eng); --b: var(--c-eng-2);
  position: relative; aspect-ratio: 2 / 3; max-width: 100%; width: 100%;
  border-radius: 3px 8px 8px 3px; overflow: hidden; color: var(--c-cover-ink);
  background:
    radial-gradient(120% 70% at 100% 0%, var(--b) 0%, transparent 60%),
    linear-gradient(160deg, var(--a), color-mix(in srgb, var(--a) 70%, #000));
  box-shadow: var(--shadow), inset 6px 0 8px -6px rgba(0,0,0,.45), inset 7px 0 0 -6px rgba(255,255,255,.18);
  display: grid; grid-template-rows: auto 1fr auto; padding: 11% 10% 9% 13%;
}
.cover--de { --a: var(--c-de); --b: var(--c-de-2); }
.cover--life { --a: var(--c-life); --b: var(--c-life-2); }
.cover--career { --a: var(--c-career); --b: var(--c-career-2); }
.cover__series { font: 500 .58rem/1.3 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; opacity: .8; }
.cover__title { align-self: center; font: 750 clamp(1rem, 1.6vw, 1.35rem)/1.05 var(--f-display); letter-spacing: -0.02em; text-wrap: balance; overflow-wrap: anywhere; }
.cover__mark { font: 800 .7rem/1 var(--f-display); letter-spacing: .02em; opacity: .75; }
.cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* ---------- series index ---------- */
.index { padding-block: 0 clamp(2.5rem, 6vw, 4rem); }
.index__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.index__list a {
  display: grid; gap: .35rem; height: 100%; text-decoration: none; padding: 1.15rem 1.2rem 1.25rem;
  border-radius: 14px; background: var(--card); border: 1px solid var(--rule);
  transition: border-color .15s ease, transform .15s ease;
}
.index__list a:hover { border-color: var(--royal); transform: translateY(-2px); }
.index__count { font: 500 .72rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.index__name { font: 700 1.15rem/1.15 var(--f-display); letter-spacing: -0.01em; }
.index__desc { font-size: .9rem; line-height: 1.45; color: var(--muted); }
.swatch { width: 1.6rem; height: .35rem; border-radius: 99px; margin-bottom: .45rem; }
@media (max-width: 900px) { .index__list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .index__list { grid-template-columns: minmax(0, 1fr); } }

/* ---------- series shelves ---------- */
.series { padding-block: clamp(3rem, 7vw, 5.5rem); }
.series:nth-of-type(even) { background: var(--paper-2); }
.series__head { max-width: 42rem; margin-bottom: 2.4rem; }
.series__intro { color: var(--muted); margin: 1rem 0 0; max-width: 38rem; }
.shelf { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.4rem 1.6rem; }
.shelf--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.shelf--1 { grid-template-columns: minmax(0, 15rem); }
.book { display: grid; grid-template-rows: auto 1fr; gap: 1rem; min-width: 0; }
.book__coverlink { display: block; transition: transform .25s cubic-bezier(.2,.8,.2,1); }
.book__coverlink:hover { transform: translateY(-6px) rotate(-1deg); }
.book__body { display: grid; grid-template-rows: auto 1fr auto; gap: .35rem; min-width: 0; }
.book__title { font-size: 1.02rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
.book__title a { text-decoration: none; }
.book__title a:hover { color: var(--royal); }
.book__line { margin: 0; font-size: .9rem; line-height: 1.45; color: var(--muted); }
.book__buy { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .6rem; }
.book__buy .btn { padding: .6rem .75rem; font-size: .82rem; flex: 1 1 auto; }
@media (max-width: 1000px) { .shelf, .shelf--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 680px) { .shelf, .shelf--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1rem; } .shelf--1 { grid-template-columns: minmax(0, 13rem); } }

/* German shelf: school exercise-book paper (Lineatur) with red margin line */
.series.series--de {
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, transparent calc(var(--gutter) * .5 + 1.5rem), var(--rule-mid) calc(var(--gutter) * .5 + 1.5rem), var(--rule-mid) calc(var(--gutter) * .5 + 1.5rem + 2px), transparent calc(var(--gutter) * .5 + 1.5rem + 2px)),
    repeating-linear-gradient(to bottom, transparent 0 calc(2.25rem - 1px), var(--rule) calc(2.25rem - 1px) 2.25rem);
}
.series--de .series__head h2 { font-family: var(--f-hand); font-weight: 400; letter-spacing: 0; line-height: 1.5; font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
.series--de .eyebrow { color: var(--c-de-2); }

/* ---------- formats explainer ---------- */
.ways { padding-block: clamp(3rem, 7vw, 5.5rem); }
.ways__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; margin-top: 2.2rem; }
.way { background: var(--card); border: 1px solid var(--rule); border-radius: 18px; padding: clamp(1.4rem, 3vw, 2.2rem); display: grid; gap: .8rem; align-content: start; }
.way h3 { font-size: 1.45rem; font-weight: 750; }
.way p { margin: 0; color: var(--muted); }
.way ul { margin: .2rem 0 0; padding: 0; list-style: none; display: grid; gap: .45rem; font-size: .95rem; }
.way li { display: flex; gap: .6rem; }
.way li::before { content: "✓"; color: var(--royal); font-weight: 700; font-family: var(--f-display); }
.tag { justify-self: start; font: 500 .7rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; padding: .45rem .6rem; border-radius: 6px; background: var(--paper-2); color: var(--royal); }
@media (max-width: 720px) { .ways__grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- method ---------- */
.method { padding-block: clamp(3rem, 7vw, 5.5rem); background: var(--ink); color: var(--paper); }
.method .eyebrow { color: color-mix(in srgb, var(--royal) 55%, var(--paper)); }
.method__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.method p { color: color-mix(in srgb, var(--paper) 72%, var(--ink)); max-width: 34rem; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: color-mix(in srgb, var(--paper) 18%, var(--ink)); border-radius: 16px; overflow: hidden; }
.steps li { background: var(--ink); padding: 1.4rem 1.5rem; display: grid; grid-template-columns: 3.2rem minmax(0, 1fr); gap: 1rem; align-items: baseline; }
.steps b { font: 400 1.6rem/1 var(--f-hand); color: var(--marker); }
.steps h3 { font-size: 1.25rem; font-weight: 700; color: var(--paper); }
.steps span { display: block; margin-top: .3rem; font-size: .95rem; color: color-mix(in srgb, var(--paper) 70%, var(--ink)); }
@media (max-width: 820px) { .method__grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- newsletter ---------- */
.news { padding-block: clamp(3rem, 7vw, 5rem); }
.news__box { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; align-items: center; background: var(--card); border: 1px solid var(--rule); border-radius: 22px; padding: clamp(1.5rem, 4vw, 3rem); }
.news h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
.news p { color: var(--muted); margin: .8rem 0 0; }
.news form { display: flex; flex-wrap: wrap; gap: .6rem; }
.news label { flex-basis: 100%; font: 500 .75rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.news input { flex: 1 1 14rem; min-width: 0; font: 400 1rem/1 var(--f-body); padding: .9rem 1rem; border-radius: 10px; border: 1.5px solid var(--rule); background: var(--paper); color: var(--ink); }
.news input:focus { outline: none; border-color: var(--royal); }
.news button { cursor: pointer; }
.news__ok { flex-basis: 100%; margin: .2rem 0 0; font-size: .92rem; color: var(--royal); }
@media (max-width: 760px) { .news__box { grid-template-columns: minmax(0, 1fr); } }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--rule); padding-block: 2.5rem 3rem; font-size: .9rem; color: var(--muted); }
.foot__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 2rem; }
.foot h4 { margin: 0 0 .8rem; font: 500 .72rem/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink); }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--royal); }
.foot__base { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; font: 400 .78rem/1.4 var(--f-mono); }
@media (max-width: 760px) { .foot__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .foot__brand { grid-column: 1 / -1; } }

/* ---------- additions: more series, level badges, Amazon format chips ---------- */
.cover--ai { --a: var(--c-ai); --b: var(--c-ai-2); }
.cover--lang { --a: var(--c-lang); --b: var(--c-lang-2); }
.cover__level { display: block; font: 800 clamp(2.1rem, 4vw, 3rem)/.95 var(--f-display); letter-spacing: -0.04em; margin-bottom: .35rem; }
.swatch--eng { background: var(--c-eng-2); } .swatch--de { background: var(--c-de-2); } .swatch--life { background: var(--c-life-2); }
.swatch--career { background: var(--c-career-2); } .swatch--ai { background: var(--c-ai-2); } .swatch--lang { background: var(--c-lang-2); }
.shelf, .shelf--5, .shelf--1 { grid-template-columns: repeat(auto-fill, minmax(min(12.5rem, 100%), 1fr)); }
@media (max-width: 680px) { .shelf, .shelf--5, .shelf--1 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.book__buy { display: grid; gap: .55rem; }
.book__buy .btn { justify-self: start; }
.formats-row { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .35rem; font-size: .78rem; }
.formats-row > span { font: 500 .68rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-right: .15rem; }
.chip { font: 600 .78rem/1 var(--f-display); text-decoration: none; padding: .45rem .6rem; border-radius: 99px; border: 1px solid var(--rule); background: var(--card); color: var(--ink); white-space: nowrap; }
.chip:hover { border-color: var(--royal); color: var(--royal); }
.index__list { grid-template-columns: repeat(auto-fill, minmax(min(15rem, 100%), 1fr)); }
.series.series--de { background-color: var(--paper); }

/* ---------- book detail pages ---------- */
.crumbs { display: flex; flex-wrap: wrap; gap: .5rem; padding-block: 1.4rem 0; font: 400 .8rem/1.4 var(--f-mono); color: var(--muted); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--royal); }
.crumbs [aria-current] { color: var(--ink); min-width: 0; overflow-wrap: anywhere; }
.bk { padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2.5rem, 6vw, 4rem); }
.bk__grid { display: grid; grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); gap: clamp(2rem, 6vw, 4.5rem); align-items: start; }
.bk__cover .cover { max-width: 20rem; }
.bk__cover .cover__title { font-size: clamp(1.4rem, 3vw, 2rem); }
.bk__info { display: grid; gap: .9rem; min-width: 0; }
.bk h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); font-weight: 800; letter-spacing: -0.03em; }
.bk__sub { margin: 0; font-size: 1.15rem; color: var(--muted); max-width: 38rem; }
.bk__by { margin: 0; font-size: .95rem; color: var(--muted); }
.bk__by strong { color: var(--ink); font-weight: 600; }
.buybox { display: grid; gap: .8rem; justify-items: start; margin-top: .6rem; padding: 1.3rem 1.4rem; border-radius: 16px; background: var(--card); border: 1px solid var(--rule); max-width: 34rem; }
.buybox__note { margin: -.2rem 0 0; font: 400 .78rem/1.4 var(--f-mono); color: var(--muted); }
.facts { list-style: none; margin: .2rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.facts li { font: 500 .75rem/1 var(--f-mono); padding: .5rem .65rem; border-radius: 6px; background: var(--paper-2); color: var(--ink); }
.bk-body { padding-block: 0 clamp(3rem, 7vw, 5rem); }
.bk-body__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 20rem); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.prose { max-width: 40rem; min-width: 0; }
.prose h2 { font-size: 1.5rem; font-weight: 750; margin: 2.2rem 0 .8rem; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 1rem; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.ticks li { display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); }
.ticks li::before { content: "✓"; color: var(--royal); font-weight: 700; font-family: var(--f-display); }
.levelbox { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem; align-items: start; padding: 1.3rem; border-radius: 16px; border: 1px solid var(--rule); background: var(--card); position: sticky; top: calc(env(safe-area-inset-top, 0px) + 5rem); }
.levelbox__lv { font: 800 2.6rem/.9 var(--f-display); letter-spacing: -0.04em; color: var(--royal); }
.levelbox p { margin: 0; font-size: .95rem; }
.levelbox .eyebrow { margin-bottom: .4rem; }
@media (max-width: 760px) {
  .bk__grid, .bk-body__grid { grid-template-columns: minmax(0, 1fr); }
  .bk__cover .cover { max-width: 13rem; }
  .levelbox { position: static; }
}
.steps--light { margin-top: 2rem; background: var(--rule); }
.steps--light li { background: var(--card); }
.steps--light h3 { color: var(--ink); }
.steps--light span { color: var(--muted); }
.steps--light b { color: var(--royal); }
.legal { padding-block: 3rem 5rem; max-width: 44rem; }
.legal h1 { font-size: 2.2rem; margin-bottom: 1.5rem; }
.todo { background: var(--marker); color: #141B33; padding: .1rem .3rem; border-radius: 3px; }

.news__cta { display: grid; gap: .7rem; justify-items: start; }
.news__note { margin: 0; font-size: .85rem; color: var(--muted); }
.meta { margin: .4rem 0 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: .35rem 1.2rem; font-size: .9rem; }
.meta dt { font: 500 .72rem/1.6 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.meta dd { margin: 0; }
.legal h2 { font-size: 1.3rem; margin: 2rem 0 .6rem; }
.legal p, .legal li { max-width: 65ch; }