/* DigitalMedia1 skin */
html[data-skin=signal]{--c-bg:#FFFFFF;--c-bg-alt:#F2F3F5;--c-surface:#FFFFFF;--c-text:#0B0B0F;--c-muted:#5A5F6B;--c-border:#0B0B0F;
  --c-accent:#FF3B2F;--c-accent-2:#1D4ED8;--c-accent-ink:#FFFFFF;--c-dark:#0B0B0F;--radius:0px;--radius-sm:0px;
  --font-head:'Archivo','Segoe UI',system-ui,-apple-system,sans-serif;--font-body:'Archivo','Segoe UI',system-ui,-apple-system,sans-serif;--maxw:1200px;
  --font-narrow:'Archivo Narrow','Archivo','Arial Narrow',system-ui,sans-serif;
  --ink:#0B0B0F;--red:#FF3B2F;--red-t:#C8190D;--soft:rgba(11,11,15,.18);--sx:1;
  --shadow:calc(6px * var(--sx)) 6px 0 var(--ink)}
html[data-skin=signal][dir=rtl]{--sx:-1}

[data-skin=signal] body{font:400 17px/1.62 var(--font-body);color:var(--c-text);background:var(--c-bg)}
[data-skin=signal] h1,[data-skin=signal] h2,[data-skin=signal] h3,[data-skin=signal] h4{font-family:var(--font-head);font-weight:800;letter-spacing:-.01em;overflow-wrap:anywhere}
[data-skin=signal] h1{font-size:clamp(2.2rem,1rem + 4.6vw,5rem);line-height:.98;letter-spacing:-.015em;text-wrap:balance;overflow-wrap:anywhere}
[data-skin=signal] h2{font-size:clamp(1.6rem,1.1rem + 1.6vw,2.4rem);line-height:1.05}
[data-skin=signal] h3{font-size:1.25rem;line-height:1.2}
[data-skin=signal] a{color:var(--c-accent-2)}
[data-skin=signal] ::selection{background:var(--red);color:var(--ink)}
[data-skin=signal] :focus-visible{outline:3px solid var(--c-accent-2);outline-offset:3px}
[data-skin=signal] :is(.d1-footer,.d1-lf-band,.d1-cta,.d1-mbar,.d1-chat-head) :focus-visible{outline-color:#fff}
[data-skin=signal] .d1-cta .d1-quiz :focus-visible{outline-color:var(--c-accent-2)}
/* non-Latin scripts: no tracking, no case folding, roomy line height (Archivo has no such glyphs) */
html[data-skin=signal]:is(:lang(ar),:lang(fa),:lang(he),:lang(ur),:lang(hi),:lang(zh),:lang(ja),:lang(ko)) *{letter-spacing:0!important;text-transform:none!important}
html[data-skin=signal][data-skin=signal]:is(:lang(ar),:lang(fa),:lang(he),:lang(ur),:lang(hi),:lang(zh),:lang(ja),:lang(ko)) :is(h1,h2,h3,h4){line-height:1.3}

/* header: sticky, solid, 2px rule underneath */
[data-skin=signal] .d1-header{background:var(--c-bg);backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom:2px solid var(--ink)}
[data-skin=signal] .d1-header-in{min-height:68px}
[data-skin=signal] .d1-logo{font:800 1.25rem/1 var(--font-head);letter-spacing:-.02em;color:var(--ink);gap:10px}
[data-skin=signal] .d1-logo-mark{width:24px;height:24px;border-radius:0;background:var(--red);border:2px solid var(--ink);box-shadow:calc(3px * var(--sx)) 3px 0 var(--ink)}
[data-skin=signal] .d1-logo-hl{background:var(--ink);color:#fff;padding:.08em .28em;border-radius:0}
[data-skin=signal] .d1-nav-item>a{font:700 .86rem/1.2 var(--font-narrow);letter-spacing:.05em;text-transform:uppercase;color:var(--ink);border-radius:0;padding:11px 10px}
[data-skin=signal] .d1-nav-item>a:hover,[data-skin=signal] .d1-nav-item:focus-within>a{background:var(--red);color:var(--ink)}
[data-skin=signal] .d1-drop{border:2px solid var(--ink);border-radius:0;box-shadow:var(--shadow);padding:8px;background:#fff}
[data-skin=signal] .d1-drop a{font-weight:600;color:var(--ink);border-radius:0;padding:10px 12px}
[data-skin=signal] .d1-drop a:hover{background:var(--red);color:var(--ink)}
[data-skin=signal] .d1-lang summary{border:2px solid var(--ink);border-radius:0;font:700 .85rem/1 var(--font-narrow);letter-spacing:.06em;color:var(--ink);background:#fff;min-height:40px;display:flex;align-items:center}
[data-skin=signal] .d1-lang[open] summary,[data-skin=signal] .d1-lang summary:hover{background:var(--ink);color:#fff}
[data-skin=signal] .d1-lang ul{border:2px solid var(--ink);border-radius:0;box-shadow:var(--shadow);background:#fff;padding:4px}
[data-skin=signal] .d1-lang a{color:var(--ink);border-radius:0;padding:8px 10px;font-weight:600}
[data-skin=signal] .d1-lang a:hover{background:var(--red);color:var(--ink)}
[data-skin=signal] .d1-lang a[aria-current]{background:var(--ink);color:#fff}
[data-skin=signal] .d1-burger{border:2px solid var(--ink);border-radius:0;background:var(--ink);color:#fff;box-shadow:calc(3px * var(--sx)) 3px 0 var(--red)}
[data-skin=signal] .d1-head-actions .d1-head-cta{min-height:44px}
@media (min-width:901px){[data-skin=signal] .d1-head-actions .d1-head-cta{padding:10px 18px}}

/* buttons: hard border, offset block shadow, press down on :active */
[data-skin=signal] .d1-btn{border:2px solid var(--ink);border-radius:0;font-family:var(--font-head);font-weight:800;letter-spacing:.01em;min-height:48px;
  padding:12px 22px;box-shadow:calc(4px * var(--sx)) 4px 0 var(--ink);text-align:center}
[data-skin=signal] .d1-btn:hover{transform:none;box-shadow:calc(6px * var(--sx)) 6px 0 var(--ink)}
[data-skin=signal] .d1-btn:active{box-shadow:none}
[data-skin=signal] .d1-btn-primary{background:var(--red);color:#fff}
[data-skin=signal] .d1-btn-primary:hover{background:#E02A1F;color:#fff}
[data-skin=signal] .d1-btn-ghost{background:#fff;color:var(--ink)}
[data-skin=signal] .d1-btn-ghost:hover{background:var(--ink);color:#fff;box-shadow:calc(6px * var(--sx)) 6px 0 var(--red)}
[data-skin=signal] .d1-btn-tg{background:var(--ink);color:#fff}
[data-skin=signal] .d1-btn-tg:hover{background:#25262E;color:#fff}
[data-skin=signal] .d1-lf-open{min-height:40px;box-shadow:calc(3px * var(--sx)) 3px 0 var(--ink)}

/* crumbs */
[data-skin=signal] .d1-crumbs{font:700 .8rem/1.3 var(--font-narrow);letter-spacing:.06em;text-transform:uppercase;color:var(--c-muted);padding-top:16px}
[data-skin=signal] .d1-crumbs a{color:var(--c-muted);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
[data-skin=signal] .d1-crumbs a:hover{color:var(--ink);text-decoration-thickness:2px}
[data-skin=signal] .d1-crumbs li+li::before{content:"/";color:var(--red-t);opacity:1;font-weight:700}
[data-skin=signal] .d1-crumbs [aria-current]{color:var(--ink)}

/* hero: left aligned, giant headline, ruled sheet behind */
[data-skin=signal] .d1-hero{padding:56px 0 52px;border-bottom:2px solid var(--ink);
  background:#fff linear-gradient(to bottom,rgba(11,11,15,.07) 1px,transparent 1px) 0 0/100% 56px}
[data-skin=signal] .d1-hero-in>div{min-width:0}
[data-skin=signal] .d1-hero h1{margin:0 0 20px;max-width:15em}
[data-skin=signal] .d1-mark{background:var(--red);color:var(--ink);padding:0 .14em;border-radius:0;-webkit-box-decoration-break:clone;box-decoration-break:clone}
[data-skin=signal] .d1-eyebrow{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;font:700 .8rem/1 var(--font-narrow);
  letter-spacing:.12em;text-transform:uppercase;padding:9px 12px;margin-bottom:20px;border-radius:0}
[data-skin=signal] .d1-eyebrow::before{content:"";width:9px;height:9px;background:var(--red);flex:none}
[data-skin=signal] .d1-lead{font-size:clamp(1.05rem,1rem + .35vw,1.25rem);color:#2B2F38;max-width:46rem}
[data-skin=signal] .d1-hero-cta{gap:16px;margin:26px 0 22px}
[data-skin=signal] .d1-chips,[data-skin=signal] .d1-badges{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:6px 0 0;padding:0}
[data-skin=signal] .d1-chips li,[data-skin=signal] .d1-badges li{display:inline-flex;align-items:center;gap:9px;background:#fff;border:2px solid var(--ink);border-radius:0;
  padding:7px 12px;font:700 .85rem/1.2 var(--font-narrow);letter-spacing:.05em;text-transform:uppercase}
[data-skin=signal] .d1-chips li::before,[data-skin=signal] .d1-badges li::before{content:"";width:9px;height:9px;background:var(--red);flex:none}
[data-skin=signal] .d1-updated{font:700 .8rem/1.3 var(--font-narrow);letter-spacing:.06em;text-transform:uppercase;color:var(--c-muted);margin:14px 0 0}
@media (min-width:1000px){
  [data-skin=signal] .d1-hero-in:has(>aside){display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:56px;align-items:start}
  [data-skin=signal] .d1-hero-in:has(>aside) h1{font-size:clamp(2.2rem,1rem + 3.3vw,4.1rem);max-width:12em}
  [data-skin=signal] .d1-hero-in:not(:has(>aside))>div{padding-inline-end:clamp(0px,15vw,230px)}
}
@media (max-width:999px){[data-skin=signal] .d1-hero-in>aside{margin-top:34px}}
/* signal-strength bars: decorative, only where no aside card fills the right column */
[data-skin=signal] .d1-hero::after{content:"";position:absolute;inset-inline-end:max(20px,calc(50% - 580px));bottom:0;width:clamp(120px,15vw,210px);aspect-ratio:1;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Crect x='4' y='86' width='22' height='34' fill='%230B0B0F'/%3E%3Crect x='34' y='62' width='22' height='58' fill='%230B0B0F'/%3E%3Crect x='64' y='36' width='22' height='84' fill='%230B0B0F'/%3E%3Crect x='94' y='6' width='22' height='114' fill='%23FF3B2F'/%3E%3C/svg%3E") center bottom/contain no-repeat;
  transform:scaleX(var(--sx))}
[data-skin=signal] .d1-hero:has(aside)::after{display:none}
@media (max-width:760px){[data-skin=signal] .d1-hero::after{display:none}}

/* TL;DR: spec box */
[data-skin=signal] .d1-tldr{background:var(--c-bg-alt);border:2px solid var(--ink);border-inline-start:8px solid var(--red);border-radius:0;padding:16px 20px;margin:22px 0;color:var(--ink)}
[data-skin=signal] .d1-tldr-label{background:var(--ink);color:#fff;border-radius:0;font:700 .78rem/1 var(--font-narrow);letter-spacing:.12em;padding:5px 8px;margin-inline-end:10px}

/* aside cards: price card, board, hero form */
[data-skin=signal] .d1-hero-card,[data-skin=signal] .d1-board,[data-skin=signal] .d1-hform,[data-skin=signal] .d1-aicard,[data-skin=signal] .d1-hub{
  background:#fff;color:var(--ink);border:2px solid var(--ink);border-top:8px solid var(--red);border-radius:0;box-shadow:calc(8px * var(--sx)) 8px 0 var(--ink);padding:24px}
[data-skin=signal] .d1-hero-card h2{font:700 .92rem/1.3 var(--font-narrow);letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px;color:var(--c-muted)}
[data-skin=signal] .d1-hero-card .d1-price{display:block;font:700 clamp(2.1rem,1.5rem + 1.6vw,2.9rem)/1 var(--font-narrow);color:var(--red-t);letter-spacing:0;margin-top:6px}
[data-skin=signal] .d1-hero-card ul{list-style:none;padding:0;margin:0;display:grid}
[data-skin=signal] .d1-hero-card li{position:relative;padding:10px 0 10px 24px;border-top:1px solid var(--soft);font-weight:600}
[data-skin=signal][dir=rtl] .d1-hero-card li{padding:10px 24px 10px 0}
[data-skin=signal] .d1-hero-card li::before{content:"";position:absolute;inset-inline-start:0;top:1.05em;width:10px;height:10px;background:var(--red)}
[data-skin=signal] .d1-hero-card .d1-lf{border-top:2px solid var(--ink)}
[data-skin=signal] .d1-hform h2{margin:0 0 6px;font-size:1.35rem}
[data-skin=signal] .d1-live{display:inline-flex;align-items:center;gap:8px;font:700 .8rem/1 var(--font-narrow);letter-spacing:.1em;text-transform:uppercase}
[data-skin=signal] .d1-live i{width:10px;height:10px;background:var(--red)}
[data-skin=signal] .d1-board-t{margin:14px 0 4px;font-weight:700}
[data-skin=signal] .d1-board-num{font:700 clamp(2.6rem,2rem + 2.4vw,4rem)/1 var(--font-narrow);color:var(--red-t)}
[data-skin=signal] .d1-board-cap{margin:6px 0 14px;color:var(--c-muted);font-size:.92rem}
[data-skin=signal] .d1-bar{height:14px;border:2px solid var(--ink);background:#fff}
[data-skin=signal] .d1-bar span{display:block;height:100%;width:84%;background:var(--red)}
[data-skin=signal] .d1-spark{display:block;width:100%;height:80px;margin:16px 0 4px;color:var(--ink)}
[data-skin=signal] .d1-board-rows{list-style:none;margin:14px 0 0;padding:0;display:grid}
[data-skin=signal] .d1-board-rows li{display:grid;grid-template-columns:minmax(6rem,auto) 1fr;gap:14px;align-items:center;padding:9px 0;border-top:1px solid var(--soft);font-weight:600;font-size:.94rem}
[data-skin=signal] .d1-board-rows i{height:10px;background:linear-gradient(90deg,var(--red) var(--p),var(--c-bg-alt) var(--p));border:1px solid var(--ink)}
[data-skin=signal][dir=rtl] .d1-board-rows i{background:linear-gradient(270deg,var(--red) var(--p),var(--c-bg-alt) var(--p))}
[data-skin=signal] .d1-board-note,[data-skin=signal] .d1-aicard .d1-board-note,[data-skin=signal] .d1-hub .d1-board-note{font-size:.78rem;color:var(--c-muted)}
[data-skin=signal] .d1-aicard-q{border-radius:0;background:var(--c-bg-alt)}
[data-skin=signal] .d1-aicard-a b{border-radius:0;background:var(--red);color:var(--ink)}
[data-skin=signal] .d1-aicard-cite{border-radius:0;background:var(--ink);color:#fff}
[data-skin=signal] .d1-aicard-src li{border:2px solid var(--ink);border-radius:0}
[data-skin=signal] .d1-aicard-src li span{border-radius:0;background:var(--ink);color:#fff}
[data-skin=signal] .d1-hub-ring,[data-skin=signal] .d1-hub-map li span{border-color:var(--ink);border-radius:0}
[data-skin=signal] .d1-hub-core{border-radius:0;background:var(--red);color:var(--ink)}

/* ticks, marquee, facts */
[data-skin=signal] .d1-ticks{height:26px;border-bottom:2px solid var(--ink);background:repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 18px) 0 100%/100% 12px no-repeat,#fff}
[data-skin=signal] .d1-marquee{background:var(--ink);border-block:2px solid var(--ink);padding:14px 0;-webkit-mask-image:none;mask-image:none}
[data-skin=signal] .d1-marquee-track{gap:28px;font:700 1.05rem/1.2 var(--font-narrow);letter-spacing:.1em;text-transform:uppercase;color:#fff}
[data-skin=signal] .d1-marquee-track span{display:inline-flex;align-items:center;gap:28px}
[data-skin=signal] .d1-marquee-track span::after{content:"";width:10px;height:10px;background:var(--red);flex:none}
[data-skin=signal] .d1-facts-sec{padding:44px 0;border-bottom:2px solid var(--ink);background:#fff}
[data-skin=signal] .d1-facts{gap:0;border-top:2px solid var(--ink);border-inline-start:2px solid var(--ink);grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
[data-skin=signal] .d1-facts li{padding:22px 22px 20px;border-inline-end:2px solid var(--ink);border-bottom:2px solid var(--ink);background:#fff;gap:8px}
[data-skin=signal] .d1-facts b{font:700 clamp(2.4rem,1.6rem + 3vw,4.2rem)/.95 var(--font-narrow);letter-spacing:0;color:var(--ink);position:relative;padding-bottom:14px;overflow-wrap:anywhere}
[data-skin=signal] .d1-facts b::after{content:"";position:absolute;inset-inline-start:0;bottom:0;width:44px;height:6px;background:var(--red)}
[data-skin=signal] .d1-facts span{font:700 .86rem/1.3 var(--font-narrow);letter-spacing:.08em;text-transform:uppercase;color:var(--c-muted)}

/* sections: ruled blocks, red bar above block headings */
[data-skin=signal] .d1-block{padding:64px 0;border-bottom:2px solid var(--ink)}
[data-skin=signal] .d1-block-alt{background:var(--c-bg-alt)}
[data-skin=signal] .d1-block-head{max-width:820px;margin-bottom:34px}
[data-skin=signal] .d1-block-head::before{content:"";display:block;width:56px;height:8px;background:var(--red);margin-bottom:18px}
[data-skin=signal] .d1-block-head h2{margin:0 0 12px}
[data-skin=signal] .d1-block-head .d1-lead{margin:0}
[data-skin=signal] .d1-main{padding-top:20px;padding-bottom:76px}
[data-skin=signal] .d1-grid-page{gap:52px}

/* tiles and cards: bordered placement cards with an index number */
[data-skin=signal] .d1-cards{gap:26px;counter-reset:zzt}
[data-skin=signal] .d1-tile{counter-increment:zzt;background:#fff;border:2px solid var(--ink);border-radius:0;padding:20px 20px 18px;gap:8px;box-shadow:calc(5px * var(--sx)) 5px 0 var(--ink);color:var(--ink)}
[data-skin=signal] .d1-tile::before{content:counter(zzt,decimal-leading-zero);font:700 .9rem/1 var(--font-narrow);letter-spacing:.1em;color:var(--red-t)}
[data-skin=signal] .d1-tile:hover{border-color:var(--ink);box-shadow:calc(5px * var(--sx)) 5px 0 var(--red)}
[data-skin=signal] .d1-tile strong{font:800 1.12rem/1.2 var(--font-head);letter-spacing:-.005em}
[data-skin=signal] .d1-tile span{color:var(--c-muted);font-size:.95rem}
[data-skin=signal] .d1-tile em{font:700 .95rem/1.2 var(--font-narrow);letter-spacing:.06em;text-transform:uppercase;color:var(--red-t)}
[data-skin=signal] .d1-card{background:#fff;border:2px solid var(--ink);border-radius:0;box-shadow:calc(5px * var(--sx)) 5px 0 var(--ink);padding:20px}
[data-skin=signal] .d1-card h3{font:700 .92rem/1.2 var(--font-narrow);letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px;color:var(--ink)}
[data-skin=signal] .d1-aside{gap:24px}
[data-skin=signal] .d1-toc ol{list-style:none;padding:0;margin:0}
[data-skin=signal] .d1-toc li{position:relative;padding:8px 0 8px 20px;border-top:1px solid var(--soft)}
[data-skin=signal] .d1-toc li:first-child{border-top:0}
[data-skin=signal][dir=rtl] .d1-toc li{padding:8px 20px 8px 0}
[data-skin=signal] .d1-toc li::before{content:"";position:absolute;inset-inline-start:0;top:1.05em;width:8px;height:8px;background:var(--red)}
[data-skin=signal] .d1-toc a{color:var(--ink);font-weight:600;text-decoration:none}
[data-skin=signal] .d1-toc a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
[data-skin=signal] .d1-card>ul a{color:var(--c-accent-2);text-decoration:underline;text-underline-offset:3px;font-weight:600}

/* prose */
[data-skin=signal] .d1-prose{counter-reset:zzn;font-size:1.04rem;max-width:800px}
[data-skin=signal] .d1-prose .d1-section{counter-increment:zzn;margin-bottom:12px}
[data-skin=signal] .d1-prose .d1-section>h2{border-top:2px solid var(--ink);padding-top:20px;margin:52px 0 18px}
[data-skin=signal] .d1-prose .d1-section:first-child>h2{margin-top:30px}
[data-skin=signal] .d1-prose .d1-section>h2::before{content:counter(zzn,decimal-leading-zero);display:block;font:700 .95rem/1 var(--font-narrow);letter-spacing:.14em;color:var(--red-t);margin-bottom:10px}
[data-skin=signal] .d1-prose h3{margin:1.6em 0 .5em}
[data-skin=signal] .d1-prose a:not(.d1-btn),[data-skin=signal] .d1-faq-a a,[data-skin=signal] .d1-note a{color:var(--c-accent-2);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
[data-skin=signal] .d1-prose a:not(.d1-btn):hover,[data-skin=signal] .d1-faq-a a:hover,[data-skin=signal] .d1-note a:hover{background:var(--c-accent-2);color:#fff;text-decoration-color:var(--c-accent-2)}
[data-skin=signal] .d1-prose ul{list-style:none;padding-inline-start:0}
[data-skin=signal] .d1-prose ul>li{position:relative;padding-inline-start:1.5em;margin:.45em 0}
[data-skin=signal] .d1-prose ul>li::before{content:"";position:absolute;inset-inline-start:.1em;top:.6em;width:.5em;height:.5em;background:var(--red)}
[data-skin=signal] .d1-prose ol{padding-inline-start:1.7em}
[data-skin=signal] .d1-prose ol>li::marker{font:700 1em var(--font-narrow);color:var(--ink)}
[data-skin=signal] .d1-prose blockquote{margin:1.4em 0;padding:16px 20px;border:2px solid var(--ink);border-inline-start:8px solid var(--red);background:var(--c-bg-alt);font-weight:600}
[data-skin=signal] .d1-prose blockquote p:last-child{margin-bottom:0}
[data-skin=signal] .d1-prose code{background:var(--c-bg-alt);border:1px solid var(--soft);padding:.08em .35em;font:.9em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;border-radius:0}
[data-skin=signal] .d1-prose pre{background:var(--ink);color:#F2F3F5;padding:16px;overflow-x:auto;border-radius:0;border:2px solid var(--ink)}
[data-skin=signal] .d1-prose pre code{background:none;border:0;padding:0;color:inherit}
[data-skin=signal] .d1-prose hr{border:0;border-top:2px solid var(--ink);margin:2em 0}
[data-skin=signal] .d1-note{color:var(--c-muted);font-size:.88rem}

/* tables: black header row, zebra, red price column */
[data-skin=signal] .d1-table-wrap{border:2px solid var(--ink);border-radius:0;background:#fff;margin:20px 0}
[data-skin=signal] .d1-table{font-size:.97rem}
[data-skin=signal] .d1-table th{background:var(--ink);color:#fff;font:700 .85rem/1.25 var(--font-narrow);letter-spacing:.08em;text-transform:uppercase;border-bottom:0;padding:13px 14px}
[data-skin=signal] .d1-table td{border-bottom:1px solid var(--soft);padding:12px 14px}
[data-skin=signal] .d1-table tbody tr:nth-child(even) td{background:var(--c-bg-alt)}
[data-skin=signal] .d1-table td a{color:var(--c-accent-2);font-weight:600}
[data-skin=signal] .d1-price{font:700 1.15rem/1.2 var(--font-narrow);color:var(--red-t);letter-spacing:.01em;white-space:nowrap;font-variant-numeric:tabular-nums}
[data-skin=signal] .d1-table td .d1-note{margin-top:2px}

/* steps: square index tiles */
[data-skin=signal] .d1-steps{gap:16px}
[data-skin=signal] .d1-steps li{background:#fff;border:2px solid var(--ink);border-radius:0;min-height:72px;box-shadow:calc(4px * var(--sx)) 4px 0 var(--ink)}
[data-skin=signal] .d1-steps li::before{content:counter(s,decimal-leading-zero);width:44px;height:44px;border-radius:0;background:var(--ink);color:#fff;font:700 1.05rem/1 var(--font-narrow);
  letter-spacing:.04em;inset-inline-start:12px;top:12px}

/* FAQ: bordered rows with square +/- */
[data-skin=signal] .d1-faq details{margin:0;border:2px solid var(--ink);border-top-width:0;border-radius:0;background:#fff}
[data-skin=signal] .d1-faq details:first-of-type{border-top-width:2px}
[data-skin=signal] .d1-faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;min-height:60px;font-weight:800;font-size:1.04rem;line-height:1.3}
[data-skin=signal] .d1-faq summary:hover{background:var(--c-bg-alt)}
[data-skin=signal] .d1-faq summary::after{content:"+";float:none;flex:none;width:34px;height:34px;display:grid;place-items:center;border:2px solid var(--ink);background:#fff;color:var(--ink);font:800 1.25rem/1 var(--font-head)}
[data-skin=signal] .d1-faq details[open] summary::after{content:"\2212";background:var(--ink);color:#fff}
[data-skin=signal] .d1-faq details[open]>summary{background:var(--c-bg-alt);border-bottom:2px solid var(--ink)}
[data-skin=signal] .d1-faq .d1-faq-a{padding:16px 16px 18px}
[data-skin=signal] .d1-faq .d1-faq-a>:last-child{margin-bottom:0}

/* CTA block + quiz: black panel, red offset */
[data-skin=signal] .d1-cta{background:var(--ink);color:#fff;border:2px solid var(--ink);border-radius:0;padding:34px;margin:60px 0 20px;box-shadow:calc(10px * var(--sx)) 10px 0 var(--red)}
[data-skin=signal] .d1-cta h2{color:#fff;margin:0 0 10px;font-size:clamp(1.7rem,1.2rem + 1.8vw,2.5rem)}
[data-skin=signal] .d1-cta p{color:#DDE0E6}
[data-skin=signal] .d1-quiz{background:#fff;color:var(--ink);border-radius:0;border:0;padding:24px}
[data-skin=signal] .d1-q-progress{height:12px;border:2px solid var(--ink);border-radius:0;background:#fff}
[data-skin=signal] .d1-q-progress span{background:var(--red);border-radius:0}
[data-skin=signal] .d1-q-step{font:700 .85rem/1.2 var(--font-narrow);letter-spacing:.1em;text-transform:uppercase;color:var(--c-muted)}
[data-skin=signal] .d1-q-title{font:800 1.3rem/1.2 var(--font-head)}
[data-skin=signal] .d1-q-opt{border:2px solid var(--ink);border-radius:0;background:#fff;color:var(--ink);font-weight:600;min-height:48px;padding:12px 14px}
[data-skin=signal] .d1-q-opt:hover{background:var(--c-bg-alt);border-color:var(--ink)}
[data-skin=signal] .d1-q-opt.sel{background:var(--ink);color:#fff;border-color:var(--ink)}
[data-skin=signal] .d1-q-done{border:2px solid var(--ink);background:var(--c-bg-alt);font-weight:700;padding:22px 16px}
[data-skin=signal] .d1-field label{font:700 .85rem/1.2 var(--font-narrow);letter-spacing:.08em;text-transform:uppercase}
[data-skin=signal] .d1-field input,[data-skin=signal] .d1-field textarea,[data-skin=signal] .d1-field select{border:2px solid var(--ink);border-radius:0;background:#fff;color:var(--ink);padding:12px 14px;min-height:48px}
[data-skin=signal] .d1-field input:focus,[data-skin=signal] .d1-field textarea:focus,[data-skin=signal] .d1-field select:focus{outline:3px solid var(--c-accent-2);outline-offset:0}
[data-skin=signal] .d1-check{color:var(--c-muted);min-height:40px;align-items:center}
[data-skin=signal] .d1-check input{accent-color:var(--red);width:20px;height:20px;flex:none}
[data-skin=signal] .d1-err{color:var(--red-t);font-weight:700}

/* lead forms: the most inviting thing on screen */
[data-skin=signal] .d1-lf{gap:12px}
[data-skin=signal] .d1-lf-t{font:800 1.2rem/1.2 var(--font-head);letter-spacing:-.005em}
[data-skin=signal] .d1-lf-s{color:var(--c-muted)}
[data-skin=signal] .d1-lf input[type=url],[data-skin=signal] .d1-lf input[type=text]{border:2px solid var(--ink);border-radius:0;background:#fff;color:var(--ink);min-height:50px;padding:13px 14px;font-size:1rem}
[data-skin=signal] .d1-lf input::placeholder{color:var(--c-muted);opacity:1}
[data-skin=signal] .d1-lf input:focus{outline:3px solid var(--c-accent-2);outline-offset:0;border-color:var(--ink)}
[data-skin=signal] .d1-lf .d1-btn{min-height:52px;font-size:1.05rem}
[data-skin=signal] .d1-lf .d1-consent{color:var(--c-muted);font-size:.8rem;min-height:40px;align-items:center}
[data-skin=signal] .d1-lf .d1-consent input{width:20px;height:20px;margin-top:0;accent-color:var(--red)}
[data-skin=signal] .d1-lf-msg{color:var(--red-t);font-weight:700}
[data-skin=signal] .d1-lf-band{background:var(--ink);color:#fff;border:2px solid var(--ink);border-top:8px solid var(--red);border-radius:0;padding:28px;margin:44px 0;
  box-shadow:calc(8px * var(--sx)) 8px 0 var(--red)}
[data-skin=signal] .d1-lf-band .d1-lf-t{color:#fff;font-size:clamp(1.3rem,1.1rem + .8vw,1.7rem)}
[data-skin=signal] .d1-lf-band .d1-lf-s,[data-skin=signal] .d1-lf-band .d1-consent{color:#D3D6DD}
[data-skin=signal] .d1-lf-band .d1-btn-primary{border-color:#fff;box-shadow:calc(4px * var(--sx)) 4px 0 #fff}
[data-skin=signal] .d1-lf-band .d1-btn-primary:hover{box-shadow:calc(6px * var(--sx)) 6px 0 #fff}
[data-skin=signal] .d1-lf-band .d1-btn-primary:active{box-shadow:none}
[data-skin=signal] .d1-lf-band .d1-lf-msg{color:#FF8A82}
[data-skin=signal] .d1-lf-card,[data-skin=signal] .d1-aside .d1-lf-card{border-top:8px solid var(--red);padding:20px}
[data-skin=signal] .d1-lf-aside .d1-lf-t{font-size:1.15rem}
[data-skin=signal] .d1-lf-card .d1-btn,[data-skin=signal] .d1-lf-aside .d1-btn{width:100%}

/* footer */
[data-skin=signal] .d1-footer{background:var(--ink);color:#D3D6DD;border-top:8px solid var(--red);padding:56px 0 28px}
[data-skin=signal] .d1-footer a{color:#fff;text-decoration:none}
[data-skin=signal] .d1-footer a:hover{text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:2px;text-underline-offset:4px}
[data-skin=signal] .d1-foot-grid h3{font:700 .86rem/1.2 var(--font-narrow);letter-spacing:.14em;text-transform:uppercase;color:#fff;margin:0 0 14px;
  padding-bottom:10px;border-bottom:2px solid var(--red);display:inline-block}
[data-skin=signal] .d1-foot-bottom{border-top:2px solid rgba(255,255,255,.28);color:#B4B9C5}
[data-skin=signal] .d1-foot-form{border-bottom:2px solid rgba(255,255,255,.28)}
[data-skin=signal] .d1-foot-form .d1-lf-t{color:#fff}
[data-skin=signal] .d1-foot-form .d1-lf-s,[data-skin=signal] .d1-foot-form .d1-consent{color:#D3D6DD;opacity:1}
[data-skin=signal] .d1-foot-form .d1-btn-primary{border-color:#fff;box-shadow:calc(4px * var(--sx)) 4px 0 #fff}
[data-skin=signal] .d1-foot-form .d1-lf-msg{color:#FF8A82}
[data-skin=signal] .d1-footer .d1-note{color:#B4B9C5;opacity:1}

/* floating widgets: chat, modal, cookie, exit */
[data-skin=signal] .d1-chat-btn{width:58px;height:58px;border-radius:0;background:var(--red);color:#fff;border:2px solid var(--ink);box-shadow:calc(4px * var(--sx)) 4px 0 var(--ink)}
[data-skin=signal] .d1-chat{border:2px solid var(--ink);border-radius:0;box-shadow:calc(8px * var(--sx)) 8px 0 var(--ink)}
[data-skin=signal] .d1-chat-head{background:var(--ink);color:#fff}
[data-skin=signal] .d1-chat-x{width:40px;height:40px;color:#fff}
[data-skin=signal] .d1-chat-log{background:var(--c-bg-alt)}
[data-skin=signal] .d1-msg{border-radius:0}
[data-skin=signal] .d1-msg-op{background:#fff;border:2px solid var(--ink)}
[data-skin=signal] .d1-msg-me{background:var(--ink);color:#fff}
[data-skin=signal] .d1-chat-form{border-top:2px solid var(--ink)}
[data-skin=signal] .d1-chat-form input{border:2px solid var(--ink);border-radius:0;min-height:44px}
[data-skin=signal] .d1-chat-tg{border-top:2px solid var(--ink);color:var(--c-accent-2);font-weight:700;padding:12px}
[data-skin=signal] .d1-cookie{border:2px solid var(--ink);border-radius:0;box-shadow:calc(6px * var(--sx)) 6px 0 var(--ink)}
[data-skin=signal] .d1-cookie .d1-btn{min-height:40px;box-shadow:calc(3px * var(--sx)) 3px 0 var(--ink)}
[data-skin=signal] .d1-exit{background:rgba(11,11,15,.72)}
[data-skin=signal] .d1-exit-card{border:2px solid var(--ink);border-top:8px solid var(--red);border-radius:0;box-shadow:calc(10px * var(--sx)) 10px 0 var(--ink);padding:30px 26px 26px}
[data-skin=signal] .d1-exit-x,[data-skin=signal] .d1-lmodal-x{width:40px;height:40px;border:2px solid var(--ink);background:#fff;color:var(--ink);font-size:1.5rem;line-height:1;display:grid;place-items:center;border-radius:0}
[data-skin=signal] .d1-lmodal{border:2px solid var(--ink);border-top:8px solid var(--red);border-radius:0;box-shadow:calc(10px * var(--sx)) 10px 0 var(--red);padding:32px 26px 26px}
[data-skin=signal] .d1-lmodal::backdrop{background:rgba(11,11,15,.72);backdrop-filter:none}
[data-skin=signal] .d1-lf-modal .d1-lf-t,[data-skin=signal] .d1-lf-exit .d1-lf-t{font-size:1.3rem}

/* phones (engine switches header/bottom bar at 900px; layout rules at 760px) */
@media (max-width:900px){
  html[data-skin=signal][data-mbar] .d1-mbar{background:var(--ink);border-top:3px solid var(--red);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;gap:10px}
  [data-skin=signal] .d1-mbar a{border-radius:0;border:2px solid #fff;height:56px}
  [data-skin=signal] .d1-mbar-order{background:var(--red);color:#fff}
  [data-skin=signal] .d1-mbar-tg{background:#fff;color:var(--ink);border-color:#fff}
  [data-skin=signal] .d1-mbar-t{font-family:var(--font-head);font-weight:800}
  [data-skin=signal] .d1-mbar-s{font-family:var(--font-narrow);font-weight:700;opacity:1}
  [data-skin=signal] .d1-cookie .d1-btn{min-height:40px}
}
@media (max-width:760px){
  [data-skin=signal] body{font-size:16.5px}
  [data-skin=signal] h1{font-size:clamp(2rem,9vw,2.7rem);line-height:1}
  [data-skin=signal] h2{font-size:clamp(1.45rem,6.6vw,1.9rem)}
  [data-skin=signal] .d1-hero{padding:34px 0 36px;background-size:100% 48px}
  [data-skin=signal] .d1-hero-cta{gap:12px}
  [data-skin=signal] .d1-hero-cta .d1-btn{flex:1 1 100%;width:100%}
  [data-skin=signal] .d1-block{padding:48px 0}
  [data-skin=signal] .d1-cards{gap:22px}
  [data-skin=signal] .d1-facts{grid-template-columns:1fr 1fr}
  [data-skin=signal] .d1-facts li{padding:16px 14px}
  [data-skin=signal] .d1-facts b{font-size:clamp(2rem,10vw,2.6rem)}
  [data-skin=signal] .d1-hero-card,[data-skin=signal] .d1-board,[data-skin=signal] .d1-hform,[data-skin=signal] .d1-aicard,[data-skin=signal] .d1-hub{padding:18px;box-shadow:calc(5px * var(--sx)) 5px 0 var(--ink)}
  [data-skin=signal] .d1-cta{padding:22px 18px;margin-top:44px;box-shadow:calc(6px * var(--sx)) 6px 0 var(--red)}
  [data-skin=signal] .d1-quiz{padding:18px 14px}
  [data-skin=signal] .d1-lf-band{padding:22px 16px;box-shadow:calc(6px * var(--sx)) 6px 0 var(--red)}
  [data-skin=signal] .d1-lf-card,[data-skin=signal] .d1-aside .d1-lf-card{padding:16px}
  [data-skin=signal] .d1-prose .d1-section>h2{margin-top:40px}
  [data-skin=signal] .d1-faq summary{padding:12px 14px}
  [data-skin=signal] .d1-table th,[data-skin=signal] .d1-table td{padding:10px 11px}
  [data-skin=signal] .d1-footer{padding-top:44px}
  [data-skin=signal] .d1-lmodal{padding:30px 16px 20px}
}
@media (max-width:420px){
  [data-skin=signal] .d1-logo{font-size:1.05rem}
  [data-skin=signal] .d1-logo-mark{width:20px;height:20px}
  [data-skin=signal] .d1-burger{box-shadow:none}
}

/* motion: only when the visitor has not asked for less of it */
@keyframes d1-sig-in{from{opacity:0;transform:translateY(12px)}}
@keyframes d1-sig-pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (prefers-reduced-motion:no-preference){
  [data-skin=signal] .d1-btn,[data-skin=signal] .d1-tile,[data-skin=signal] .d1-nav-item>a,[data-skin=signal] .d1-faq summary{transition:transform .12s ease,box-shadow .12s ease,background-color .12s ease,color .12s ease}
  [data-skin=signal] .d1-btn:hover{transform:translate(calc(-2px * var(--sx)),-2px)}
  [data-skin=signal] .d1-btn:active{transform:translate(calc(4px * var(--sx)),4px)}
  [data-skin=signal] .d1-tile:hover{transform:translate(calc(-2px * var(--sx)),-2px)}
  [data-skin=signal] .d1-hero-in>div>*{animation:d1-sig-in .55s cubic-bezier(.22,.8,.3,1) both}
  [data-skin=signal] .d1-hero-in>div>*:nth-child(2){animation-delay:.05s}
  [data-skin=signal] .d1-hero-in>div>*:nth-child(3){animation-delay:.1s}
  [data-skin=signal] .d1-hero-in>div>*:nth-child(4){animation-delay:.15s}
  [data-skin=signal] .d1-hero-in>div>*:nth-child(n+5){animation-delay:.2s}
  [data-skin=signal] .d1-hero-card,[data-skin=signal] .d1-board{animation:d1-sig-in .6s .15s cubic-bezier(.22,.8,.3,1) both}
  [data-skin=signal] .d1-live i{animation:d1-sig-pulse 1.6s ease-in-out infinite}
}

/* round R: every page now carries 3-4 column comparison tables; fit them in the phone viewport instead of clipping (engine min-width 520px) */
@media (max-width:760px){
  /* round F1: fixed layout crushed 4 columns to ~70px and split words mid-word; keep a readable table width and scroll sideways inside the wrapper */
  [data-skin=signal] .d1-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  [data-skin=signal] .d1-table{min-width:560px;table-layout:auto;font-size:.875rem}
  [data-skin=signal] .d1-table th{font-size:.75rem;letter-spacing:.04em;padding:9px 10px;overflow-wrap:normal;word-break:normal;hyphens:manual;white-space:nowrap}
  [data-skin=signal] .d1-table td{padding:9px 10px;overflow-wrap:break-word;word-break:normal;hyphens:auto;line-height:1.4}
}