:root {
  --bg: #070d18;
  --surface: #0d1727;
  --surface-2: #111f33;
  --line: rgba(255,255,255,.09);
  --text: #edf6fb;
  --muted: #8b99aa;
  --blue: #38bdf8;
  --blue-2: #2563eb;
  --green: #5ee5a1;
  --shell: min(1120px, calc(100% - 40px));
  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
body::before { content: ""; width: 700px; height: 700px; position: fixed; z-index: -1; top: -420px; left: 50%; transform: translateX(-50%); border-radius: 50%; background: rgba(25,116,215,.17); filter: blur(100px); pointer-events: none; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { max-width: 100%; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { padding: 10px 14px; position: fixed; z-index: 100; top: 8px; left: 8px; border-radius: 10px; color: #07111d; background: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.seo-header { width: var(--shell); min-height: 72px; margin: 14px auto 0; padding: 0 18px; position: relative; z-index: 10; display: flex; align-items: center; gap: 28px; border: 1px solid var(--line); border-radius: 18px; background: rgba(8,15,27,.84); box-shadow: 0 18px 60px rgba(0,0,0,.2); backdrop-filter: blur(18px); }
.seo-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; letter-spacing: -.03em; }
.seo-brand img { width: 34px; height: 34px; object-fit: contain; }
.seo-nav { margin-left: auto; display: flex; align-items: center; gap: 24px; color: #98a6b7; font-size: 13px; }
.seo-nav a:hover { color: #fff; }
.seo-header__cta, .seo-button { min-height: 44px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 13px; color: #04111d; background: linear-gradient(135deg, #7dd3fc, #38bdf8); box-shadow: 0 12px 35px rgba(14,165,233,.18); cursor: pointer; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.seo-header__cta:hover, .seo-button:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(14,165,233,.25); }
.seo-button--ghost { color: #dce8f0; border: 1px solid var(--line); background: rgba(255,255,255,.04); box-shadow: none; }

.breadcrumbs { padding-top: 38px; display: flex; flex-wrap: wrap; gap: 8px; color: #6f7d8e; font-size: 12px; }
.breadcrumbs a:hover { color: #bfeaff; }
.breadcrumbs span::before { content: "/"; margin-right: 8px; color: #3c4959; }
.seo-hero { padding: 72px 0 62px; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(330px,.85fr); align-items: center; gap: 70px; }
.seo-hero--tool { padding-bottom: 34px; grid-template-columns: 1fr; gap: 26px; text-align: center; }
.seo-kicker { width: fit-content; margin-bottom: 20px; padding: 8px 11px; border: 1px solid rgba(94,229,161,.17); border-radius: 999px; color: var(--green); background: rgba(94,229,161,.06); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.seo-hero--tool .seo-kicker { margin-inline: auto; }
.seo-hero h1 { max-width: 780px; margin: 0; font-size: clamp(48px,7vw,78px); line-height: .98; letter-spacing: -.065em; font-weight: 650; }
.seo-hero--tool h1 { margin-inline: auto; }
.seo-lead { max-width: 690px; margin: 25px 0 0; color: #9aa8b9; font-size: clamp(17px,2vw,21px); line-height: 1.62; }
.seo-hero--tool .seo-lead { margin-inline: auto; }
.seo-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.seo-hero--tool .seo-actions { justify-content: center; }
.hero-facts { padding: 24px; display: grid; gap: 12px; border: 1px solid var(--line); border-radius: 25px; background: linear-gradient(145deg, rgba(19,37,60,.83), rgba(7,15,27,.96)); box-shadow: 0 30px 90px rgba(0,0,0,.28); }
.hero-fact { min-height: 80px; padding: 16px; display: grid; grid-template-columns: 38px 1fr; align-items: center; gap: 14px; border: 1px solid rgba(255,255,255,.06); border-radius: 16px; background: rgba(255,255,255,.025); }
.hero-fact i { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: #8bdcff; background: rgba(56,189,248,.1); font-style: normal; font-weight: 800; }
.hero-fact strong, .hero-fact small { display: block; }
.hero-fact strong { font-size: 14px; }
.hero-fact small { margin-top: 5px; color: #7e8b9b; font-size: 12px; line-height: 1.45; }

.tool-panel { width: min(820px,100%); margin: 10px auto 80px; padding: clamp(22px,4vw,38px); border: 1px solid rgba(125,211,252,.16); border-radius: 28px; background: linear-gradient(145deg, rgba(17,35,58,.9), rgba(6,13,24,.98)); box-shadow: 0 30px 100px rgba(0,0,0,.3); text-align: left; }
.tool-panel__label { color: #7d8b9c; font-size: 12px; font-weight: 650; }
.tool-ip { margin: 18px 0 8px; overflow-wrap: anywhere; font-size: clamp(34px,7vw,64px); line-height: 1; letter-spacing: -.055em; font-weight: 650; }
.tool-status { margin: 10px 0 24px; color: #92a0b0; font-size: 14px; }
.tool-status.is-success { color: var(--green); }
.tool-status.is-error { color: #fda4af; }
.tool-grid { margin: 24px 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.tool-metric { min-height: 92px; padding: 16px; border: 1px solid rgba(255,255,255,.07); border-radius: 15px; background: rgba(255,255,255,.025); }
.tool-metric small, .tool-metric strong { display: block; }
.tool-metric small { margin-bottom: 9px; color: #708093; font-size: 11px; }
.tool-metric strong { overflow-wrap: anywhere; font-size: 14px; line-height: 1.45; }
.tool-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.tool-input { width: 100%; height: 56px; margin: 18px 0 12px; padding: 0 16px; border: 1px solid var(--line); border-radius: 14px; color: #fff; background: rgba(0,0,0,.18); outline: none; }
.tool-input:focus { border-color: rgba(56,189,248,.55); box-shadow: 0 0 0 4px rgba(56,189,248,.08); }
.password-output { width: 100%; min-height: 72px; margin: 18px 0 12px; padding: 20px; overflow-wrap: anywhere; border: 1px solid rgba(94,229,161,.16); border-radius: 16px; color: #dffbef; background: rgba(94,229,161,.05); font: 600 20px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
.tool-options { margin: 20px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tool-options label { min-height: 50px; padding: 12px 14px; display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 13px; color: #a9b5c2; background: rgba(255,255,255,.025); font-size: 13px; }
.range-row { grid-column: 1/-1; }
.range-row input { width: 100%; }

.visually-hidden { width: 1px; height: 1px; padding: 0; position: absolute; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.tools-hero { max-width: 850px; padding: 86px 0 58px; }
.tools-hero h1 { max-width: 820px; margin: 0; font-size: clamp(52px,8vw,88px); line-height: .94; letter-spacing: -.068em; font-weight: 650; }
.tools-hero > p { max-width: 660px; margin: 28px 0 0; color: #99a8b9; font-size: clamp(17px,2vw,21px); line-height: 1.65; }
.tools-hero__trust { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.tools-hero__trust span { min-height: 35px; padding: 0 13px; display: inline-flex; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.075); border-radius: 999px; color: #92a1b1; background: rgba(255,255,255,.025); font-size: 12px; }
.tools-hero__trust i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 16px rgba(94,229,161,.7); }
.tools-dashboard { padding: 10px 0 45px; }
.tool-featured { min-height: 390px; padding: clamp(28px,5vw,54px); position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0,1fr) minmax(300px,.75fr); align-items: center; gap: 40px; border: 1px solid rgba(125,211,252,.18); border-radius: 30px; background: linear-gradient(140deg, rgba(18,45,75,.92), rgba(8,18,32,.98) 68%); box-shadow: 0 35px 110px rgba(0,0,0,.28); transition: transform .25s var(--ease), border-color .25s ease; }
.tool-featured::before { content: ""; width: 430px; height: 430px; position: absolute; right: -130px; top: -180px; border-radius: 50%; background: rgba(56,189,248,.16); filter: blur(55px); }
.tool-featured:hover { transform: translateY(-4px); border-color: rgba(125,211,252,.34); }
.tool-featured__copy { position: relative; z-index: 2; }
.tool-featured h2 { margin: 12px 0 17px; font-size: clamp(38px,6vw,62px); line-height: 1; letter-spacing: -.06em; }
.tool-featured p { max-width: 560px; margin: 0 0 34px; color: #9cabbc; font-size: 17px; line-height: 1.7; }
.tool-card__label { color: #69d4ff; font-size: 10px; font-weight: 800; letter-spacing: .105em; text-transform: uppercase; }
.tool-card__action { display: inline-flex; align-items: center; gap: 10px; color: #eaf8ff; font-size: 13px; font-weight: 750; }
.tool-card__action b { color: #73d5ff; font-size: 17px; transition: transform .2s ease; }
.tool-featured:hover .tool-card__action b, .tool-card:hover .tool-card__action b { transform: translateX(4px); }
.tool-featured__visual { aspect-ratio: 1; position: relative; display: grid; place-items: center; }
.network-orbit { position: absolute; border: 1px solid rgba(125,211,252,.18); border-radius: 50%; }
.network-orbit--one { width: 88%; height: 56%; transform: rotate(18deg); }
.network-orbit--two { width: 58%; height: 88%; transform: rotate(-35deg); border-color: rgba(94,229,161,.12); }
.network-node { position: relative; z-index: 2; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.17); color: #eaf9ff; background: linear-gradient(145deg, #2a8cc5, #164c79); box-shadow: 0 20px 70px rgba(14,165,233,.25), inset 0 1px 0 rgba(255,255,255,.28); font-weight: 800; }
.network-node--main { width: 126px; height: 126px; border-radius: 38px; font-size: 32px; letter-spacing: -.05em; }
.network-node--small { width: 14px; height: 14px; position: absolute; right: 8%; bottom: 31%; border: 0; border-radius: 50%; background: var(--green); box-shadow: 0 0 25px rgba(94,229,161,.85); }
.tools-grid { margin-top: 14px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.tool-card { min-height: 285px; padding: 26px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(145deg, rgba(16,30,49,.82), rgba(8,15,27,.96)); transition: transform .22s var(--ease), border-color .22s ease, background .22s ease; }
.tool-card:hover { transform: translateY(-4px); border-color: rgba(125,211,252,.25); background: linear-gradient(145deg, rgba(20,39,64,.9), rgba(8,15,27,.97)); }
.tool-card__icon { width: 48px; height: 48px; margin-bottom: 44px; display: grid; place-items: center; border: 1px solid rgba(125,211,252,.16); border-radius: 15px; color: #8bdcff; background: rgba(56,189,248,.07); font-size: 13px; font-weight: 850; letter-spacing: -.03em; }
.tool-card h2 { margin: 9px 0 10px; font-size: 25px; line-height: 1.08; letter-spacing: -.045em; }
.tool-card p { min-height: 66px; margin: 0 0 22px; color: #8796a7; font-size: 13px; line-height: 1.65; }
.tool-card .tool-card__action { margin-top: auto; }
.tools-note { margin: 30px 0 72px; padding: 18px 20px; display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 15px; border: 1px solid rgba(255,255,255,.07); border-radius: 17px; background: rgba(255,255,255,.025); }
.tools-note__mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: #8bdcff; background: rgba(56,189,248,.08); font-weight: 800; }
.tools-note p { margin: 0; color: #8695a5; font-size: 13px; line-height: 1.55; }
.tools-note strong { display: block; color: #dfe9f0; }
.tools-note a { color: #72d4fc; font-size: 12px; font-weight: 700; }

.content-section { padding: 78px 0; border-top: 1px solid rgba(255,255,255,.06); }
.content-section--compact { padding: 50px 0; }
.content-heading { max-width: 780px; }
.content-heading h2 { margin: 0 0 16px; font-size: clamp(34px,5vw,52px); line-height: 1.05; letter-spacing: -.05em; }
.content-heading p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.content-grid { margin-top: 35px; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.content-card { min-height: 210px; padding: 24px; border: 1px solid var(--line); border-radius: 21px; background: linear-gradient(145deg, rgba(17,31,51,.72), rgba(8,15,27,.92)); }
.content-card h2, .content-card h3 { margin: 0 0 12px; font-size: 23px; line-height: 1.12; letter-spacing: -.035em; }
.content-card p, .content-card li { color: #8c9aaa; font-size: 14px; line-height: 1.7; }
.content-card ul, .article-body ul, .article-body ol { padding-left: 20px; }
.content-card a, .article-body a { color: #8bdcff; text-decoration: underline; text-decoration-color: rgba(139,220,255,.35); text-underline-offset: 3px; }
.steps-list { margin-top: 34px; display: grid; gap: 12px; counter-reset: steps; }
.steps-list li { min-height: 92px; padding: 20px; display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 16px; border: 1px solid var(--line); border-radius: 17px; color: #9aa8b8; background: rgba(255,255,255,.025); line-height: 1.6; list-style: none; counter-increment: steps; }
.steps-list li::before { content: counter(steps, decimal-leading-zero); width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; color: #77d7ff; background: rgba(56,189,248,.09); font-weight: 800; }
.steps-list strong { display: block; margin-bottom: 4px; color: #edf5fa; }
.faq-list { margin-top: 30px; display: grid; gap: 8px; }
.faq-list details { padding: 0 20px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.02); }
.faq-list summary { min-height: 66px; display: flex; align-items: center; cursor: pointer; font-weight: 650; }
.faq-list p { margin: 0 0 20px; color: var(--muted); line-height: 1.7; }
.related-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.related-link { min-height: 135px; padding: 18px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: 16px; color: #a9b7c5; background: rgba(255,255,255,.025); transition: transform .2s ease, border-color .2s ease; }
.related-link:hover { transform: translateY(-3px); border-color: rgba(56,189,248,.3); }
.related-link strong { color: #edf5fa; }
.related-link span { color: #6fcff8; font-size: 12px; }
.article-layout { padding: 65px 0 90px; display: grid; grid-template-columns: minmax(0,760px) 250px; gap: 80px; }
.article-body h1 { margin: 0 0 22px; font-size: clamp(45px,7vw,72px); line-height: .98; letter-spacing: -.06em; }
.article-body .article-lead { color: #a0adbc; font-size: 20px; line-height: 1.65; }
.article-body h2 { margin: 54px 0 15px; font-size: 32px; line-height: 1.12; letter-spacing: -.04em; }
.article-body h3 { margin: 34px 0 12px; font-size: 22px; }
.article-body p, .article-body li { color: #94a2b2; font-size: 16px; line-height: 1.82; }
.article-note { margin: 30px 0; padding: 20px; border-left: 3px solid var(--blue); border-radius: 0 14px 14px 0; color: #b8c8d6; background: rgba(56,189,248,.06); line-height: 1.7; }
.article-aside { position: sticky; top: 24px; align-self: start; padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); }
.article-aside strong { display: block; margin-bottom: 14px; }
.article-aside a { display: block; padding: 8px 0; color: #8e9bab; font-size: 13px; }
.article-aside a:hover { color: #fff; }

.seo-cta { margin: 40px auto 90px; padding: 38px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 30px; border: 1px solid rgba(125,211,252,.17); border-radius: 25px; background: linear-gradient(135deg, rgba(13,66,112,.75), rgba(11,24,43,.95)); }
.seo-cta::after { content: ""; width: 300px; height: 300px; position: absolute; right: -130px; border-radius: 50%; background: rgba(56,189,248,.2); filter: blur(45px); }
.seo-cta h2 { margin: 0 0 8px; font-size: 31px; letter-spacing: -.04em; }
.seo-cta p { margin: 0; color: #a0b1c1; line-height: 1.6; }
.seo-cta .seo-button { position: relative; z-index: 1; flex: 0 0 auto; }
.seo-footer { padding: 45px 0 35px; border-top: 1px solid rgba(255,255,255,.07); color: #718092; }
.seo-footer__row { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.seo-footer__links { display: flex; flex-wrap: wrap; gap: 20px; font-size: 12px; }
.seo-footer__links a:hover { color: #fff; }
.seo-footer small { font-size: 11px; }

@media (max-width: 900px) {
  .seo-nav { display: none; }
  .seo-header__cta { margin-left: auto; }
  .seo-hero { grid-template-columns: 1fr; gap: 35px; }
  .content-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; gap: 30px; }
  .article-aside { position: static; }
  .tool-featured { grid-template-columns: 1fr 290px; }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .tool-card:last-child { grid-column: 1/-1; min-height: 235px; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 28px); }
  .seo-header { min-height: 62px; padding: 0 12px; border-radius: 15px; }
  .seo-brand span { display: none; }
  .seo-header__cta { min-height: 38px; padding-inline: 13px; font-size: 12px; }
  .breadcrumbs { padding-top: 28px; }
  .seo-hero { padding: 50px 0 42px; }
  .seo-hero h1 { font-size: clamp(42px,13vw,58px); }
  .seo-lead { font-size: 17px; }
  .tools-hero { padding: 55px 0 42px; }
  .tools-hero h1 { font-size: clamp(44px,14vw,62px); }
  .tools-hero > p { font-size: 16px; }
  .tools-hero__trust span:nth-child(n+2) { display: none; }
  .tool-featured { min-height: 465px; padding: 28px 22px; grid-template-columns: 1fr; gap: 8px; border-radius: 23px; }
  .tool-featured__visual { width: min(260px,80vw); margin: -15px auto -25px; order: -1; }
  .network-node--main { width: 94px; height: 94px; border-radius: 29px; font-size: 25px; }
  .tool-featured h2 { font-size: 40px; }
  .tool-featured p { margin-bottom: 22px; font-size: 15px; }
  .tools-grid { grid-template-columns: 1fr; }
  .tool-card, .tool-card:last-child { min-height: 225px; grid-column: auto; }
  .tool-card__icon { margin-bottom: 28px; }
  .tools-note { margin-bottom: 55px; grid-template-columns: 38px 1fr; }
  .tools-note a { grid-column: 2; }
  .tool-panel { margin-bottom: 58px; border-radius: 22px; }
  .tool-grid, .tool-options, .content-grid, .related-grid { grid-template-columns: 1fr; }
  .range-row { grid-column: auto; }
  .content-section { padding: 58px 0; }
  .content-card { min-height: auto; }
  .seo-cta { margin-bottom: 60px; padding: 28px 22px; align-items: flex-start; flex-direction: column; }
  .seo-footer__row { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}