/* ArtSign - внутренние страницы: статьи (/stati/) и услуга (/sozdanie-saitov/).
   Подключается после styles.css, токены и компоненты главной не переопределяет. */

/* ---------- шапка внутренних страниц ---------- */
.sub-hdr .nav a[aria-current="page"] { color: #fff; }
.sub-hdr .nav a[aria-current="page"]::after { transform: scaleX(1); box-shadow: var(--glow); }
.read-prog { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; transform: scaleX(var(--rp, 0)); transform-origin: left; background: var(--ac); box-shadow: var(--glow); pointer-events: none; }
.menu-nav a[aria-current="page"] { color: var(--ac); }
.sub main { padding-top: var(--hdr); }

/* ---------- хлебные крошки ---------- */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-bottom: 26px; font-size: 13.5px; color: var(--mute); }
.crumbs a { color: var(--text-2); transition: color .2s; }
.crumbs a:hover { color: var(--ac); }
.crumbs i { width: 4px; height: 4px; border-radius: 50%; background: var(--line-2); }
.crumbs [aria-current] { color: var(--mute); }

/* ---------- голова страницы ---------- */
.sub-hero { position: relative; overflow: visible; padding: clamp(44px, 6vw, 88px) 0 clamp(28px, 4vw, 52px); }
.sub-hero .wrap { position: relative; z-index: 1; }
.sub-trace { position: absolute; left: 0; right: 0; bottom: -80px; width: 100%; height: 110px; pointer-events: none; overflow: visible; z-index: 0; }
.sub-trace path { fill: none; stroke: var(--ac); stroke-width: 2; stroke-linecap: round; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 7px rgba(91, 200, 240, .85)); opacity: .75; }
.sub-trace { clip-path: inset(-30px 100% -30px -30px); animation: draw 2.2s .3s var(--ease) forwards; }
.sub-trace .ghost { stroke-width: 12; opacity: .07; filter: blur(9px); }
@keyframes draw { to { clip-path: inset(-30px -30px -30px -30px); } }
@media (prefers-reduced-motion: reduce) { .sub-trace { animation: none; clip-path: none; } }
.page-h1 { margin: 0; font-family: var(--fd); font-weight: 200; letter-spacing: -.035em; line-height: 1.02; font-size: clamp(36px, 5.2vw, 76px); text-wrap: balance; }
.page-h1 b { font-weight: 600; }
.page-lead { margin-top: 22px; font-size: clamp(17px, 1.5vw, 21px); line-height: 1.5; color: var(--text-2); }

/* ---------- статья: мета и обложка ---------- */
.art-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.art-meta li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 13.5px; color: var(--text-2); background: rgba(15, 24, 56, .6); }
.art-meta svg { width: 15px; height: 15px; color: var(--ac); }
.art-cover { max-width: 960px; margin: clamp(30px, 4vw, 48px) 0 0; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 50px 120px -60px rgba(91, 200, 240, .5), 0 30px 80px -40px rgba(0, 0, 0, .8); background: var(--l1); }
.art-cover img { width: 100%; height: auto; aspect-ratio: 1200 / 630; }

/* ---------- раскладка статьи: оглавление + колонка чтения ---------- */
.art-grid { display: grid; grid-template-columns: minmax(200px, 1fr) minmax(0, 720px) minmax(0, 1fr); gap: 0 clamp(32px, 4vw, 64px); padding: clamp(40px, 5vw, 72px) 0 clamp(60px, 7vw, 100px); }
.toc { max-width: 280px; position: sticky; top: calc(var(--hdr) + 28px); align-self: start; }
.toc-t { font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ac); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.toc ol { border-left: 1px solid var(--line-2); counter-reset: none; }
.toc ol a { display: block; padding: 7px 0 7px 16px; margin-left: -1px; border-left: 2px solid transparent; font-size: 14.5px; line-height: 1.4; color: var(--mute); transition: color .2s, border-color .2s; }
.toc ol a:hover { color: #fff; }
.toc ol a.is-on { color: #fff; border-left-color: var(--ac); box-shadow: -6px 0 12px -8px rgba(91, 200, 240, .9); }
.toc-cta { margin-top: 26px; padding: 18px; border-radius: 14px; }
.toc-cta b { display: block; font-family: var(--fd); font-weight: 400; font-size: 17px; color: #fff; margin-bottom: 6px; }
.toc-cta > span { display: block; font-size: 13.5px; color: var(--mute); margin-bottom: 14px; }
.toc-cta .btn { width: 100%; height: 46px; font-size: 14px; }
.toc-m { display: none; }

/* ---------- текст статьи ---------- */
.prose { font-size: 18px; line-height: 1.72; color: var(--text-2); min-width: 0; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 2.3em; margin-bottom: .1em; font-family: var(--fd); font-weight: 400; font-size: clamp(26px, 2.6vw, 34px); line-height: 1.15; letter-spacing: -.025em; color: #fff; scroll-margin-top: calc(var(--hdr) + 20px); text-wrap: balance; }
.prose h2::before { content: ""; display: block; width: 40px; height: 2px; margin-bottom: 18px; background: var(--ac); box-shadow: var(--glow); border-radius: 2px; }
.prose > h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.8em; font-family: var(--fd); font-weight: 500; font-size: 21px; line-height: 1.3; letter-spacing: -.01em; color: #fff; scroll-margin-top: calc(var(--hdr) + 20px); }
.prose strong { color: #fff; font-weight: 600; }
.prose a { color: var(--ac); text-decoration: underline; text-decoration-color: rgba(91, 200, 240, .4); text-underline-offset: 3px; transition: text-decoration-color .2s; }
.prose a:hover { text-decoration-color: var(--ac); }
.prose code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .86em; padding: 2px 7px; border-radius: 6px; background: rgba(91, 200, 240, .1); color: #CFEFFC; }
.prose ul > li, .prose ol > li { position: relative; padding-left: 30px; }
.prose ul > li + li, .prose ol > li + li { margin-top: .55em; }
.prose ul > li::before { content: ""; position: absolute; left: 4px; top: .72em; width: 12px; height: 2px; border-radius: 2px; background: var(--ac); box-shadow: 0 0 6px rgba(91, 200, 240, .7); }
.prose ol { counter-reset: li; }
.prose ol > li { counter-increment: li; padding-left: 40px; }
.prose ol > li::before { content: counter(li, decimal-leading-zero); position: absolute; left: 0; top: .2em; font-family: var(--fd); font-weight: 300; font-size: 15px; color: var(--ac); font-variant-numeric: tabular-nums; }

/* таблица: прокрутка внутри своей рамки, не страницы */
.tbl { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: rgba(23, 34, 77, .45); scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
.tbl:focus-visible { outline-offset: 2px; }
.tbl table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.45; }
.tbl th, .tbl td { padding: 13px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.tbl th { font-size: 12px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); background: rgba(15, 24, 56, .55); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tbody tr { transition: background .2s; }
.tbl tbody tr:hover { background: rgba(91, 200, 240, .05); }
.tbl td:first-child { color: #fff; font-weight: 500; }
.tbl td.n { font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl-cap { margin-top: 10px !important; font-size: 13px; color: var(--mute); }

/* врезка */
.callout { position: relative; padding: 22px 24px 22px 26px; border-radius: 16px; background: linear-gradient(135deg, rgba(91, 200, 240, .1), rgba(94, 107, 240, .08)); border: 1px solid rgba(91, 200, 240, .28); font-size: 16.5px; line-height: 1.62; color: var(--text-2); }
.callout::before { content: ""; position: absolute; left: -1px; top: 18px; bottom: 18px; width: 3px; border-radius: 3px; background: var(--ac); box-shadow: var(--glow); }
.callout-t { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ac); }

/* формула-схема */
.formula { display: grid; gap: 10px; padding: 22px; border-radius: 18px; border: 1px solid var(--line); background: rgba(15, 24, 56, .7); counter-reset: f; }
.formula div { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.2fr); align-items: center; gap: 14px; padding: 14px 16px; border-radius: 12px; background: rgba(30, 42, 90, .6); border: 1px solid var(--line); }
.formula b { font-family: var(--fd); font-weight: 500; font-size: 16px; color: #fff; }
.formula i { font-style: normal; color: var(--ac); font-size: 20px; line-height: 1; }
.formula span { font-size: 15.5px; color: var(--text-2); }

/* FAQ внутри статьи: компонент .qa главной */
.prose .qa { margin-top: 1.2em; }
.prose .qa summary { font-size: 18px; }
.prose .qa p { font-size: 16.5px; line-height: 1.65; }

/* ---------- CTA-плита ---------- */
.cta-plate { position: relative; overflow: hidden; border-radius: 26px; padding: clamp(28px, 4.4vw, 60px); background: linear-gradient(160deg, rgba(32, 45, 96, .8), rgba(15, 24, 56, .6) 70%); border: 1px solid var(--line-2); box-shadow: 0 60px 140px -70px rgba(91, 200, 240, .55); }
.cta-plate > *:not(.light) { position: relative; z-index: 1; }
.cta-plate .h2 { font-size: clamp(30px, 4vw, 54px); }
.cta-plate .lead { margin-top: 16px; }
.cta-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.cta-plate .pp-trace { margin: 26px 0 0; }
.cta-plate.in .pp-trace path { stroke-dashoffset: 0; }

/* ---------- страница услуги ---------- */
.svc-hero { position: relative; overflow: visible; padding: clamp(36px, 5vw, 72px) 0 clamp(70px, 8vw, 120px); }
.svc-hero-in { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); gap: clamp(30px, 4vw, 64px); align-items: center; }
.svc-hero .page-h1 { font-size: clamp(40px, 5.6vw, 84px); }
.svc-hero .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 18px; }
.devices { position: relative; aspect-ratio: 1 / .82; --sy: 0; }
.dv-desk { position: absolute; left: 0; top: 4%; width: 88%; border-radius: 14px; overflow: hidden; border: 1px solid var(--line-2); background: var(--l1); box-shadow: 0 60px 120px -50px rgba(0, 0, 0, .85), 0 0 80px -30px rgba(91, 200, 240, .45); transform: perspective(1400px) rotateY(-10deg) rotateX(4deg) translateY(calc(var(--sy) * -30px)); transform-origin: left center; }
.dv-bar { display: flex; gap: 6px; padding: 10px 12px; background: rgba(15, 24, 56, .95); border-bottom: 1px solid var(--line); }
.dv-bar i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-2); }
.dv-desk img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.dv-desk .dv-slide { position: relative; aspect-ratio: 16 / 10; }
.dv-desk .dv-slide img { position: absolute; inset: 0; height: 100%; opacity: 0; transition: opacity 1s var(--ease); }
.dv-desk .dv-slide img.on { opacity: 1; }
.dv-phone { position: absolute; right: 0; bottom: 0; width: 30%; padding: 7px; border-radius: 26px; background: #0A1130; border: 1px solid var(--line-2); box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .9), 0 0 50px -12px rgba(91, 200, 240, .45); transform: rotate(-4deg) translateY(calc(var(--sy) * 40px)); }
.dv-phone .dv-slide { position: relative; aspect-ratio: 1 / 2; }
.dv-phone img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 19px; opacity: 0; transition: opacity 1s var(--ease); }
.dv-phone img.on { opacity: 1; }
.dv-chip { position: absolute; left: 6%; bottom: 6%; display: inline-flex; align-items: center; gap: 9px; padding: 11px 16px; border-radius: 12px; background: var(--wa); color: #06331A; font-weight: 600; font-size: 14.5px; box-shadow: 0 20px 40px -14px rgba(37, 211, 102, .6); animation: chip 4.8s var(--ease) infinite; }
@keyframes chip { 0%, 12% { opacity: 0; transform: translateY(14px); } 20%, 84% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translateY(-8px); } }

.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts li { padding: 26px 24px 26px 0; display: flex; flex-direction: column; gap: 8px; }
.facts li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.facts b { font-family: var(--fd); font-weight: 200; font-size: clamp(36px, 4vw, 58px); letter-spacing: -.045em; line-height: 1; color: #fff; }
.facts span { color: var(--mute); font-size: 14.5px; }

/* что будет на сайте */
.feat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: clamp(40px, 5vw, 60px); }
.feat { padding: 24px 24px 26px; }
.feat svg { width: 26px; height: 26px; color: var(--ac); margin-bottom: 16px; filter: drop-shadow(0 0 6px rgba(91, 200, 240, .5)); }
.feat b { display: block; font-family: var(--fd); font-weight: 400; font-size: 19px; color: #fff; letter-spacing: -.01em; margin-bottom: 6px; position: relative; z-index: 1; }
.feat span { color: var(--text-2); font-size: 15px; position: relative; z-index: 1; }

/* кейсы с цифрами */
.kc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.kc { display: flex; flex-direction: column; padding: 26px 24px 24px; overflow: hidden; }
.kc > * { position: relative; z-index: 1; }
.kc-n { font-family: var(--fd); font-weight: 200; font-size: clamp(64px, 6vw, 96px); line-height: .9; letter-spacing: -.06em; color: #fff; }
.kc-u { margin-top: 10px; color: var(--text-2); font-size: 15px; }
.kc-u em { display: block; font-style: normal; font-size: 12.5px; color: var(--mute); margin-top: 4px; letter-spacing: .04em; }
.kc-f { display: flex; gap: 18px; margin: 20px 0; padding-top: 16px; border-top: 1px solid var(--line); }
.kc-f li { display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--mute); line-height: 1.3; }
.kc-f b { font-family: var(--fd); font-weight: 400; font-size: 22px; color: var(--ac); letter-spacing: -.02em; }
.kc img { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); margin-top: auto; }
.kc-cap { margin-top: 8px; font-size: 12px; color: var(--mute); }
.kc-h { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--ac); margin-bottom: 16px; }

/* оффер */
.offer-n { display: block; font-family: var(--fd); font-weight: 200; font-size: clamp(56px, 9vw, 140px); letter-spacing: -.055em; line-height: .9; color: #fff; }
.offer-n b { font-weight: 600; background: linear-gradient(120deg, #fff 30%, var(--ac)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- адаптив ---------- */
@media (max-width: 1100px) {
  .art-grid { grid-template-columns: minmax(0, 1fr); gap: 0; max-width: 760px; }
  .art-cover { max-width: none; }
  .toc { display: none; }
  .toc-m { display: block; margin-bottom: 34px; border: 1px solid var(--line); border-radius: 14px; background: rgba(23, 34, 77, .5); }
  .toc-m summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; font-size: 12px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--ac); }
  .toc-m summary::-webkit-details-marker { display: none; }
  .toc-m summary svg { transition: transform .3s var(--ease); }
  .toc-m[open] summary svg { transform: rotate(90deg); }
  .toc-m ol { padding: 0 18px 14px; }
  .toc-m a { display: block; padding: 8px 0; border-top: 1px solid var(--line); font-size: 15px; color: var(--text-2); }
  .svc-hero-in { grid-template-columns: 1fr; }
  .devices { max-width: 640px; }
  .kc-grid { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .crumbs { margin-bottom: 18px; font-size: 13px; }
  .page-h1 { font-size: clamp(32px, 9vw, 44px); }
  .svc-hero .page-h1 { font-size: clamp(36px, 10.4vw, 52px); }
  .page-lead { font-size: 16.5px; margin-top: 16px; }
  .art-meta li { padding: 6px 12px; font-size: 13px; }
  .art-cover { border-radius: 16px; }
  .prose { font-size: 17px; line-height: 1.68; }
  .prose h2 { font-size: 25px; }
  .prose h3 { font-size: 19px; }
  .tbl table { font-size: 14px; }
  .tbl th, .tbl td { padding: 11px 12px; }
  .callout { padding: 18px 18px 18px 20px; font-size: 16px; }
  .formula { padding: 12px; }
  .formula div { grid-template-columns: 1fr; gap: 4px; }
  .formula i { display: none; }
  .cta-plate { border-radius: 22px; }
  .cta-btns .btn { flex: 1 1 100%; }
  .svc-hero .hero-cta .btn { flex: 1 1 100%; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li { padding: 20px 14px 20px 0; }
  .facts li + li { padding-left: 14px; }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .facts li:nth-child(4) { border-top: 1px solid var(--line); }
  .feat-grid, .kc-grid { grid-template-columns: 1fr; }
  .dv-chip { font-size: 13px; padding: 9px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .sub-trace path { animation: none; stroke-dashoffset: 0; }
  .dv-chip { animation: none; }
  .devices { --sy: 0 !important; }
}