/* XYLENTA — content pages: prose, legal docs, blog, help centre, contact, about, professionals, 404.
   Builds on the tokens and components in style.css; class names here are page-type specific. */

/* ---------- prose (articles, legal, policies) ---------- */
.prose { max-width: 68ch; font-size: 1.0625rem; line-height: 1.75; color: #22302F; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  font-family: var(--f-display); font-stretch: 112%; font-weight: 500;
  font-size: clamp(1.35rem, 1.1rem + .8vw, 1.7rem); line-height: 1.25; letter-spacing: -.01em;
  color: var(--teal); margin-top: 2.2em; scroll-margin-top: 110px;
}
.prose h3 { font-family: var(--f-display); font-stretch: 112%; font-weight: 500; font-size: 1.12rem; margin-top: 1.8em; color: var(--ink); scroll-margin-top: 110px; }
.prose h2 + *, .prose h3 + * { margin-top: .7em; }
.prose a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose a:hover { color: var(--lagoon); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .4em; }
.prose li::marker { color: var(--lagoon); }
.prose code, .prose .mono { font-family: var(--f-mono); font-size: .86em; background: rgba(11, 79, 75, .07); padding: .1em .35em; }
.prose blockquote {
  margin: 1.8em 0; padding: 4px 0 4px 26px; border-left: 2px solid var(--glow);
  font-family: var(--f-display); font-stretch: 112%; font-weight: 400; font-size: clamp(1.25rem, 1rem + .9vw, 1.6rem);
  line-height: 1.35; color: var(--teal);
}
.prose table { width: 100%; border-collapse: collapse; font-size: .92rem; line-height: 1.5; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 12px 14px 12px 0; border-bottom: 1px solid var(--line); }
.prose thead th { font-family: var(--f-mono); font-weight: 400; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border-bottom-color: var(--teal); }
.prose td code { white-space: nowrap; }
.prose hr { border: 0; height: 1px; background: var(--line); margin: 2.4em 0; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.ph { font-family: var(--f-mono); font-size: .86em; background: #FFF1D6; color: #7A4F00; padding: .05em .35em; white-space: nowrap; }

/* "Kısaca" summary box */
.kisaca { position: relative; background: var(--paper); border: 1px solid var(--line); padding: 26px 26px 24px; margin: 0 0 2.2em; }
.kisaca__label { position: absolute; top: -10px; left: 22px; background: var(--abyss); color: var(--glow); font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; padding: 3px 10px; text-transform: uppercase; }
.kisaca ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; font-size: .98rem; line-height: 1.6; }
.kisaca li::marker { color: var(--lagoon); }

/* references */
.refs { margin-top: 3em; padding-top: 1.6em; border-top: 1px solid var(--line); }
.refs h2 { font-family: var(--f-mono); font-size: .74rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.refs ol { margin: 0; padding-left: 1.4em; display: grid; gap: 10px; font-family: var(--f-mono); font-size: .76rem; line-height: 1.6; color: var(--muted); }
.refs li::marker { color: var(--lagoon); }

/* ---------- legal / policy document layout ---------- */
.doc { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: start; padding-block: clamp(40px, 5vw, 72px) clamp(72px, 8vw, 120px); }
.doc__toc { position: sticky; top: 100px; max-height: calc(100vh - 120px); overflow-y: auto; }
.doc__toc-title { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.doc__toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); counter-reset: toc; }
.doc__toc li { counter-increment: toc; }
.doc__toc ol a {
  display: grid; grid-template-columns: 28px 1fr; gap: 4px; padding: 7px 0 7px 14px; margin-left: -1px;
  border-left: 2px solid transparent; text-decoration: none; font-size: .86rem; line-height: 1.4; color: var(--muted);
}
.doc__toc ol a::before { content: counter(toc, decimal-leading-zero); font-family: var(--f-mono); font-size: .7rem; color: var(--chrome); padding-top: 2px; }
.doc__toc ol a:hover { color: var(--teal); }
.doc__toc ol a[aria-current="true"] { color: var(--teal); border-left-color: var(--teal); font-weight: 500; }
.doc__toc ol a[aria-current="true"]::before { color: var(--lagoon); }
.doc__links { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; gap: 8px; font-size: .82rem; }
.doc__links a { color: var(--muted); text-decoration: none; }
.doc__links a:hover { color: var(--teal); text-decoration: underline; }
.doc__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-bottom: 26px; font-family: var(--f-mono); font-size: .74rem; color: var(--muted); }
.doc__print { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; background: none; border: 1px solid var(--line); padding: 7px 12px; cursor: pointer; font-family: var(--f-mono); font-size: .72rem; color: var(--teal); }
.doc__print:hover { border-color: var(--teal); }
.doc__body { min-width: 0; }
.doc__body .notice { margin-bottom: 32px; max-width: 68ch; }
.doc__sec { scroll-margin-top: 110px; }
.doc__no { display: block; font-family: var(--f-mono); font-size: .7rem; font-weight: 400; letter-spacing: .12em; text-transform: uppercase; color: var(--lagoon); margin-bottom: 6px; }
.doc__mtoc { display: none; }

/* summary tiles above a policy (shipping & returns) */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.fact { padding: 26px 24px 24px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; }
.fact .ico { color: var(--lagoon); width: 24px; height: 24px; margin-bottom: 14px; }
.fact b { display: block; font-family: var(--f-display); font-stretch: 125%; font-weight: 300; font-size: 1.7rem; line-height: 1.1; color: var(--teal); }
.fact span { display: block; margin-top: 6px; font-size: .86rem; color: var(--muted); }

/* numbered real-world sequences (return steps, application flow) */
.seq { list-style: none; margin: 1.4em 0; padding: 0; counter-reset: seq; display: grid; gap: 0; }
.seq li { counter-increment: seq; display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); }
.seq li:last-child { border-bottom: 1px solid var(--line); }
.seq li::before { content: counter(seq, decimal-leading-zero); font-family: var(--f-mono); font-size: .82rem; color: var(--lagoon); padding-top: 3px; }
.seq b { display: block; font-weight: 600; color: var(--ink); }
.seq p { margin: 2px 0 0; font-size: .95rem; color: var(--muted); }
.prose .seq li + li { margin-top: 0; }

/* ---------- blog: Lab Notları ---------- */
.cover {
  position: relative; overflow: hidden; display: grid; align-content: end; gap: 6px;
  aspect-ratio: 4 / 3; padding: clamp(18px, 2.4vw, 30px);
  background: var(--abyss); color: #fff; isolation: isolate;
}
/* the X-blade, cropped: two crossing diagonal bands */
.cover::before, .cover::after { content: ""; position: absolute; z-index: -1; top: -30%; bottom: -30%; width: 16%; }
.cover::before { right: 22%; transform: rotate(28deg); background: linear-gradient(180deg, rgba(255, 255, 255, .26), rgba(174, 185, 184, .06)); }
.cover::after { right: 22%; transform: rotate(-28deg); background: linear-gradient(180deg, rgba(79, 224, 196, .5), rgba(18, 122, 112, .05)); }
.cover__mark { font-family: var(--f-display); font-stretch: 125%; font-weight: 300; font-size: clamp(2rem, 1.4rem + 2.6vw, 3.6rem); line-height: 1; letter-spacing: -.01em; }
.cover__mark sub, .cover__mark sup { font-size: .45em; }
.cover__label { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .06em; color: var(--glow); }
.cover--ppm { background: linear-gradient(135deg, var(--teal) 0%, var(--lagoon) 100%); }
.cover--ppm .cover__label { color: #DFFBF4; }
.cover--rinse { background: var(--paper); color: var(--teal); border: 1px solid var(--line); }
.cover--rinse::before { background: linear-gradient(180deg, rgba(174, 185, 184, .55), rgba(174, 185, 184, .08)); }
.cover--rinse::after { background: linear-gradient(180deg, rgba(79, 224, 196, .55), rgba(79, 224, 196, .06)); }
.cover--rinse .cover__label { color: var(--lagoon); }
.cover--wide { aspect-ratio: 16 / 9; }

.notes-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 32px; }
.notes-bar__count { font-family: var(--f-mono); font-size: .76rem; color: var(--muted); }
.note-feature { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; padding-bottom: clamp(40px, 5vw, 64px); margin-bottom: clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.note-feature .cover { aspect-ratio: 16 / 10; }
.note-feature h2 { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.6rem); margin: 14px 0 16px; }
.note-feature h2 a, .note-card h3 a { text-decoration: none; color: inherit; }
.note-feature h2 a:hover, .note-card h3 a:hover { color: var(--lagoon); }
.note-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-family: var(--f-mono); font-size: .72rem; color: var(--muted); }
.note-meta .tag { padding: 3px 8px; }
.notes-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 3vw, 40px); }
.note-card { display: grid; gap: 14px; align-content: start; }
.note-card > a:first-child { display: block; }
.note-card > a:first-child:hover .cover { filter: brightness(1.08); }
.note-card h3 { font-size: 1.22rem; line-height: 1.3; font-stretch: 112%; }
.note-card p { font-size: .95rem; color: var(--muted); }
.notes-empty { padding: 40px 0; color: var(--muted); }

/* ---------- article ---------- */
.art-hero { padding: clamp(36px, 5vw, 64px) 0 clamp(32px, 4vw, 48px); }
.art-hero__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 5vw, 72px); align-items: end; }
.art-hero h1 { font-size: clamp(2rem, 1.2rem + 2.8vw, 3.4rem); color: var(--teal); margin: 16px 0 18px; }
.art-hero .lede { max-width: 34em; }
.art-hero .cover { aspect-ratio: 5 / 4; }
.art-byline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .86rem; color: var(--muted); }
.art-byline b { color: var(--ink); font-weight: 600; }
.art-byline .mono { font-size: .74rem; }
.art-body { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(32px, 5vw, 80px); align-items: start; padding-bottom: clamp(64px, 8vw, 112px); }
.art-aside { position: sticky; top: 100px; display: grid; gap: 20px; }
.buy-box { background: var(--abyss); color: #DCE6E4; padding: 24px; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%); }
.buy-box img { width: 70%; margin: 0 auto 14px; }
.buy-box h2 { font-family: var(--f-display); font-stretch: 112%; font-size: 1.05rem; font-weight: 500; color: #fff; margin: 0 0 6px; }
.buy-box p { font-size: .86rem; color: #C5D2D0; margin-bottom: 16px; }
.buy-box .price { display: block; font-family: var(--f-display); font-stretch: 125%; font-weight: 300; font-size: 1.8rem; color: #fff; margin-bottom: 14px; }
.buy-box .link-arrow { display: inline-block; margin-top: 12px; }
.art-share { font-size: .82rem; color: var(--muted); }
.art-share b { display: block; font-family: var(--f-mono); font-size: .7rem; font-weight: 400; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.art-share a { color: var(--teal); }
.art-next { border-top: 1px solid var(--line); background: var(--paper); }

/* ---------- help centre (SSS) ---------- */
.help-hero { position: relative; overflow: hidden; }
.help-search { position: relative; max-width: 640px; margin-top: 28px; }
.help-search .ico { position: absolute; left: 18px; top: 31px; transform: translateY(-50%); color: var(--chrome); pointer-events: none; }
.help-search input {
  width: 100%; min-height: 62px; padding: 0 20px 0 52px;
  background: rgba(255, 255, 255, .06); border: 1px solid var(--line-dark); color: #fff; font-size: 1.05rem;
}
.help-search input::placeholder { color: #8FA19F; }
.help-search input:focus-visible { outline: 2px solid var(--glow); outline-offset: 0; }
.help-search__count { display: block; margin-top: 12px; font-family: var(--f-mono); font-size: .74rem; color: var(--chrome); min-height: 1.2em; }
.help-nav { position: sticky; top: 72px; z-index: 5; background: rgba(241, 246, 244, .94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.help-nav .chips { flex-wrap: nowrap; overflow-x: auto; padding: 12px 0; scrollbar-width: none; }
.help-nav .chips::-webkit-scrollbar { display: none; }
.help-nav .chip { flex: none; display: inline-flex; align-items: center; text-decoration: none; }
.help-nav .chip[aria-current="true"] { background: var(--teal); border-color: var(--teal); color: #fff; }
.help-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(32px, 5vw, 80px); align-items: start; padding-block: clamp(40px, 5vw, 72px) clamp(64px, 8vw, 112px); }
.help-group { scroll-margin-top: 140px; }
.help-group + .help-group { margin-top: clamp(40px, 5vw, 64px); }
.help-group h2 { display: flex; align-items: baseline; gap: 14px; font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem); font-weight: 400; margin-bottom: 18px; }
.help-group h2 span { font-family: var(--f-mono); font-size: .72rem; color: var(--lagoon); letter-spacing: .04em; }
.help-group .qa__body a { color: var(--teal); }
.help-empty { padding: 32px; background: var(--paper); border: 1px dashed var(--line); }
.help-empty h2 { font-family: var(--f-display); font-stretch: 112%; font-size: 1.2rem; font-weight: 500; margin: 0 0 8px; }
.help-empty p { color: var(--muted); margin-bottom: 18px; }
.help-aside { position: sticky; top: 150px; display: grid; gap: 16px; }
.help-aside .card { padding: 24px; }
.help-aside h2 { font-family: var(--f-display); font-stretch: 112%; font-size: 1.05rem; font-weight: 500; margin: 0 0 8px; }
.help-aside p { font-size: .9rem; color: var(--muted); margin-bottom: 16px; }
mark.hl { background: rgba(79, 224, 196, .4); color: inherit; padding: 0 1px; }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr); gap: clamp(32px, 5vw, 80px); align-items: start; padding-block: clamp(40px, 5vw, 72px) clamp(64px, 8vw, 112px); }
.contact h2 { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem); font-weight: 400; margin-bottom: 8px; }
.contact__intro { color: var(--muted); margin-bottom: 28px; }
.contact__note { font-size: .82rem; color: var(--muted); }
.contact__note a { color: var(--teal); }
.channels { display: grid; gap: 0; border-top: 1px solid var(--line); }
.channel { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.channel__ico { width: 44px; height: 44px; display: grid; place-items: center; background: var(--paper); border: 1px solid var(--line); color: var(--teal); }
.channel h3 { font-size: 1rem; margin: 0 0 2px; }
.channel p { font-size: .9rem; color: var(--muted); }
.channel a { color: var(--teal); font-weight: 500; }
.channel .tag { margin-top: 8px; }
.hours { margin-top: 28px; }
.hours h3 { font-family: var(--f-mono); font-size: .72rem; font-weight: 400; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.quick { display: grid; gap: 8px; margin-top: 28px; }
.quick a { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; background: var(--paper); border: 1px solid var(--line); text-decoration: none; font-size: .92rem; }
.quick a:hover { border-color: var(--teal); color: var(--teal); }
.company { margin-top: 28px; padding: 22px; border: 1px dashed #C98A1B; background: #FFFAF0; }
.company h3 { font-family: var(--f-mono); font-size: .72rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: #7A4F00; margin: 0 0 12px; }
.company .kv { font-size: .84rem; }

/* ---------- about ---------- */
.origin { padding-block: clamp(56px, 7vw, 112px); position: relative; overflow: hidden; }
.origin__eq { display: flex; flex-wrap: wrap; align-items: baseline; gap: clamp(10px, 2vw, 28px); font-family: var(--f-display); font-stretch: 125%; font-weight: 300; font-size: clamp(2.2rem, 1rem + 5vw, 5.4rem); line-height: 1; letter-spacing: -.02em; margin: 0 0 clamp(28px, 4vw, 48px); }
.origin__eq .op { color: var(--glow); font-weight: 200; }
.origin__eq em { font-style: normal; font-weight: 500; }
.origin__parts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.origin__part { padding: 22px 24px 0 0; }
.origin__part + .origin__part { padding-left: 24px; border-left: 1px solid var(--line-dark); }
.origin__part dt { font-family: var(--f-mono); font-size: .76rem; color: var(--glow); margin-bottom: 8px; }
.origin__part dd { margin: 0; color: #C5D2D0; font-size: .95rem; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.pillar { padding: 34px 32px 8px 0; }
.pillar + .pillar { padding-left: 32px; border-left: 1px solid var(--line); }
.pillar .ico { width: 30px; height: 30px; color: var(--teal); margin-bottom: 20px; }
.pillar h3 { font-size: .8rem; font-stretch: 125%; letter-spacing: .24em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.pillar p { color: var(--muted); }
.pillar p + p { margin-top: 10px; }
.donts { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.donts__list { list-style: none; margin: 0; padding: 0; }
.donts__list li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 24px; padding: 18px 0; border-top: 1px solid var(--line-dark); }
.donts__list li:last-child { border-bottom: 1px solid var(--line-dark); }
.donts__list s { font-family: var(--f-display); font-stretch: 112%; color: #fff; text-decoration-color: var(--glow); text-decoration-thickness: 1.5px; }
.donts__list span { color: #C5D2D0; font-size: .95rem; }
.road { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; counter-reset: road; }
.road li { position: relative; padding: 34px 28px 0 0; border-top: 2px solid var(--line); }
.road li::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--enamel); border: 2px solid var(--teal); }
.road li.is-now { border-top-color: var(--teal); }
.road li.is-now::before { background: var(--glow); border-color: var(--teal); box-shadow: 0 0 0 5px rgba(79, 224, 196, .3); }
.road__when { font-family: var(--f-mono); font-size: .76rem; color: var(--lagoon); }
.road h3 { margin: 8px 0 8px; font-size: 1.15rem; }
.road p { font-size: .94rem; color: var(--muted); }
.road .tag { margin-top: 12px; }

/* ---------- professionals ---------- */
.offer { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.offer__item { padding: 32px 28px; }
.offer__item + .offer__item { border-left: 1px solid var(--line); }
.offer__item .ico { width: 28px; height: 28px; color: var(--teal); margin-bottom: 18px; }
.offer__item h3 { margin-bottom: 8px; }
.offer__item p { color: var(--muted); font-size: .95rem; }
.pro-form { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.pro-form .seq { margin-top: 26px; }

/* ---------- 404 ---------- */
.nf { position: relative; overflow: hidden; min-height: 70vh; display: grid; align-items: center; padding-block: clamp(56px, 8vw, 120px); }
.nf__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.nf__code { font-family: var(--f-display); font-stretch: 125%; font-weight: 200; font-size: clamp(6rem, 3rem + 14vw, 15rem); line-height: .85; letter-spacing: -.04em; color: transparent; -webkit-text-stroke: 1.5px rgba(174, 185, 184, .55); }
.nf__ph { display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; font-family: var(--f-mono); font-size: .8rem; color: var(--glow); }
.nf__ph i { display: block; width: 120px; height: 6px; background: linear-gradient(90deg, #E8A33B, #E8D33B 30%, var(--glow) 60%, #3B7FE8); position: relative; }
.nf__ph i::after { content: ""; position: absolute; left: 34%; top: -5px; width: 2px; height: 16px; background: #fff; }
.nf h1 { font-size: clamp(2rem, 1.2rem + 2.6vw, 3.2rem); margin-bottom: 18px; }
.nf p { color: #C5D2D0; max-width: 32em; }
.nf__links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.nf__blade { position: absolute; inset: 0; pointer-events: none; opacity: .5; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .art-body, .help-body { grid-template-columns: 1fr; }
  .art-aside, .help-aside { position: static; }
  .art-aside { grid-template-columns: 1fr 1fr; align-items: start; }
  .facts { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3) { border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 900px) {
  .doc { grid-template-columns: 1fr; gap: 24px; }
  .doc__toc { display: none; }
  .doc__mtoc { display: block; border: 1px solid var(--line); background: var(--paper); }
  .doc__mtoc summary { cursor: pointer; padding: 14px 16px; font-family: var(--f-mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); list-style: none; display: flex; justify-content: space-between; }
  .doc__mtoc summary::-webkit-details-marker { display: none; }
  .doc__mtoc summary::after { content: "+"; font-size: 1rem; }
  .doc__mtoc[open] summary::after { content: "−"; }
  .doc__mtoc ol { margin: 0; padding: 0 16px 16px 36px; display: grid; gap: 8px; font-size: .9rem; }
  .doc__mtoc a { color: var(--teal); }
  .note-feature, .art-hero__grid, .contact, .donts, .pro-form, .nf__grid { grid-template-columns: 1fr; }
  .notes-grid { grid-template-columns: 1fr 1fr; }
  .pillars, .origin__parts, .road, .offer { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { padding: 28px 0; border-left: 0; }
  .pillar + .pillar { border-top: 1px solid var(--line); }
  .origin__part, .origin__part + .origin__part { padding: 18px 0; border-left: 0; }
  .origin__part + .origin__part { border-top: 1px solid var(--line-dark); }
  .road { gap: 28px; }
  .road li { padding-right: 0; }
  .offer__item + .offer__item { border-left: 0; border-top: 1px solid var(--line); }
  .help-nav { top: 64px; }
  .nf__code { font-size: clamp(5rem, 30vw, 9rem); }
}
@media (max-width: 640px) {
  .notes-grid { grid-template-columns: 1fr; }
  .art-aside { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .fact, .fact:nth-child(3) { border-left: 0; }
  .fact + .fact { border-top: 1px solid var(--line); }
  .donts__list li { grid-template-columns: 1fr; gap: 6px; }
  .prose { font-size: 1rem; }
  .kisaca { padding: 24px 18px 20px; }
  .doc__print { margin-left: 0; }
  .help-search input { min-height: 56px; font-size: 1rem; }
  .help-search .ico { top: 28px; }
}

/* ---------- print: legal documents and articles ---------- */
@media print {
  .announce, .site-header, .footer, .cookie, .toast, .drawer, .menu, .overlay, .buybar,
  .doc__toc, .doc__mtoc, .doc__print, .doc__links, .art-aside, .art-next, .skip-link, .crumbs { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .page-hero, .page-hero--dark { background: none !important; color: #000; padding: 0 0 12pt; border-bottom: 1px solid #999; }
  .page-hero h1, .page-hero--dark h1, .prose h2 { color: #000; }
  .doc { display: block; padding: 12pt 0; }
  .prose { max-width: none; color: #000; }
  .prose a { color: #000; }
  .notice { border: 1px solid #999; background: none; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* form messages on light sections (main.js styles them for dark sections by default) */
main .section:not(.dark) .form-msg.ok, main .page-hero:not(.page-hero--dark) .form-msg.ok { color: var(--lagoon); }
main .section:not(.dark) .form-msg.err, main .page-hero:not(.page-hero--dark) .form-msg.err { color: var(--danger); }
.donts h2 { font-size: clamp(1.7rem, 1.2rem + 1.2vw, 2.15rem); overflow-wrap: break-word; }
.buy-box img { height: auto; }
.note-card > a, .note-feature > a { text-decoration: none; color: inherit; }
.note-card .cover__mark { font-size: clamp(1.5rem, .9rem + 1.5vw, 2.3rem); }
.note-card .cover { aspect-ratio: 16 / 11; }
.prose > .doc__sec:first-child > h2 { margin-top: 0; }
.prose .kv { font-size: .95rem; line-height: 1.5; padding: 18px 20px; background: var(--paper); border: 1px solid var(--line); }
.prose .notice { font-size: .85rem; }
textarea.input { font: inherit; }
.dark .nf__code { color: transparent; }
.nf p.nf__code { margin: 0; }
/* paragraphs inside numbered sections need the same rhythm as top-level prose */
.doc__sec > * + * { margin-top: 1.1em; }
.doc__sec > h2 + *, .doc__sec > h3 + * { margin-top: .7em; }
.doc__sec > h3 { margin-top: 1.6em; }
.doc__sec > .kv + h3 { margin-top: 1.4em; }
.doc__mtoc + .prose { margin-top: 32px; }