:root {
  --blue: #075de5;
  --green: #1db85b;
  --ink: #142331;
  --line: #dce5eb;
  --muted: #5f6d78;
  --paper: #f7fafc;
  --white: #ffffff;
  --soft-blue: #eaf3ff;
  --soft-green: #e9f8ef;
  --shadow: 0 24px 70px rgba(20, 35, 49, 0.1);
  --radius: 18px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 89% 6%, rgba(7, 93, 229, 0.09), transparent 24rem),
    radial-gradient(circle at 6% 84%, rgba(29, 184, 91, 0.07), transparent 25rem),
    var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: 1rem;
  padding: 0.7rem 1rem;
  color: white;
  background: var(--ink);
  border-radius: 10px;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(1280px, calc(100% - 48px));
  min-height: 106px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; }
.brand img { width: 150px; height: auto; display: block; }

.header-actions { display: flex; align-items: center; gap: 12px; }

.language-switcher {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 4px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.language-switcher a {
  min-width: 31px;
  min-height: 32px;
  display: grid;
  place-items: center;
  padding: 0 7px;
  color: var(--muted);
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}
.language-switcher a:hover { color: var(--blue); background: var(--soft-blue); }
.language-switcher a.active { color: white; background: var(--blue); }

.help-badge,
.header-link {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.help-badge { padding: 0 16px; color: var(--blue); background: var(--soft-blue); }
.header-link { padding: 0 18px; gap: 12px; background: rgba(255,255,255,.72); text-decoration: none; }
.header-link:hover { border-color: var(--blue); color: var(--blue); }

main { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }

.hub-hero {
  min-height: 670px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 78px 0 90px;
  border-bottom: 1px solid var(--line);
}
.hub-hero h1 { max-width: 940px; }
.hub-hero .hero-lede { max-width: 760px; }
.hub-quick-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; max-width: 900px; margin-top: 34px; }
.hub-quick-links a { display: grid; grid-template-columns: 1fr auto; gap: 3px 24px; padding: 22px; background: rgba(255,255,255,.85); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 35px rgba(20,35,49,.06); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.hub-quick-links a:hover { transform: translateY(-3px); border-color: #9fc2fa; }
.hub-quick-links span, .hub-quick-links strong, .hub-quick-links small { grid-column: 1; }
.hub-quick-links span { color: var(--blue); font-size: .68rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.hub-quick-links strong { font-size: 1.1rem; }
.hub-quick-links small { color: var(--muted); line-height: 1.45; }
.hub-quick-links b { grid-column: 2; grid-row: 1 / 4; align-self: center; width: 36px; height: 36px; display: grid; place-items: center; color: white; background: var(--blue); border-radius: 10px; }

.hub-section { padding: 100px 0; border-bottom: 1px solid var(--line); }
.hub-section__heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 44px; }
.hub-section h2, .hub-support h2 { margin-bottom: 0; font-size: clamp(2.2rem,5vw,4.6rem); line-height: 1; letter-spacing: -.055em; }
.hub-section__heading > p { max-width: 430px; margin: 0; color: var(--muted); }
.guide-library { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.guide-card { min-height: 220px; display: grid; grid-template-columns: auto 1fr auto; gap: 20px; padding: 26px; background: white; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; }
.guide-card__number { width: 42px; height: 42px; display: grid; place-items: center; color: white; background: var(--ink); border-radius: 12px; font-size: .7rem; font-weight: 800; }
.guide-card h3 { margin: 10px 0 8px; font-size: 1.5rem; letter-spacing: -.03em; }
.guide-card p { max-width: 440px; margin: 0; color: var(--muted); font-size: .9rem; }
.guide-card b { align-self: end; width: 38px; height: 38px; display: grid; place-items: center; color: white; background: var(--blue); border-radius: 11px; }
.guide-card--featured { box-shadow: 0 12px 35px rgba(20,35,49,.05); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.guide-card--featured:hover { transform: translateY(-3px); border-color: #9fc2fa; box-shadow: 0 18px 45px rgba(20,35,49,.09); }
.guide-card--featured .mini-label { color: var(--blue); }
.guide-card--soon { opacity: .72; background: rgba(255,255,255,.5); }
.guide-card--soon .guide-card__number { color: var(--muted); background: var(--line); }

.hub-section--workflow { display: grid; grid-template-columns: minmax(280px,.7fr) minmax(0,1.3fr); align-items: end; gap: 80px; }
.workflow-copy p { max-width: 520px; margin: 24px 0; color: var(--muted); }
.text-link { color: var(--blue); font-size: .85rem; font-weight: 800; text-decoration: none; }
.workflow-strip--hub { margin: 0; }

.hub-support { display: flex; align-items: center; justify-content: space-between; gap: 60px; margin: 100px 0; padding: clamp(34px,6vw,72px); color: white; background: var(--ink); border-radius: 28px; box-shadow: var(--shadow); }
.hub-support .mini-label { color: #9eb1c0; }
.hub-support h2 { max-width: 680px; margin: 12px 0 18px; color: white; }
.hub-support p { max-width: 670px; margin: 0; color: #bfd0dc; }
.hub-support > a { flex: 0 0 auto; padding: 13px 17px; color: white; background: var(--blue); border-radius: 11px; text-decoration: none; font-size: .83rem; font-weight: 800; }

.hero {
  min-height: 480px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, .75fr);
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
  padding: 76px 0 86px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: #087a3a;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 9px;
  height: 9px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(29,184,91,.11);
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 800px;
  margin-bottom: 24px;
  font-size: clamp(3.3rem, 7vw, 6.6rem);
  line-height: .92;
  letter-spacing: -.065em;
  font-weight: 800;
}

h1 em {
  color: var(--blue);
  font-style: normal;
  background: linear-gradient(90deg, var(--blue) 0%, #1393d1 58%, var(--green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lede {
  max-width: 670px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.55;
}

.hero-meta { display: flex; gap: 12px; color: var(--muted); font-size: .82rem; font-weight: 700; }

.workflow-card {
  position: relative;
  padding: 26px;
  overflow: hidden;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(220,229,235,.9);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.workflow-card::before {
  content: "";
  position: absolute;
  inset: auto -20% -36% 15%;
  height: 230px;
  background: linear-gradient(120deg, rgba(7,93,229,.15), rgba(29,184,91,.18));
  filter: blur(35px);
  pointer-events: none;
}

.workflow-card__top { position: relative; display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.mini-label { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.status-dot { padding: 5px 10px; color: #087a3a; background: var(--soft-green); border-radius: 999px; font-size: .72rem; font-weight: 800; }

.workflow { position: relative; list-style: none; margin: 0; padding: 0; }
.workflow li { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); font-weight: 750; }
.workflow li span { width: 29px; height: 29px; display: grid; place-items: center; color: white; background: var(--ink); border-radius: 9px; font-size: .72rem; }
.workflow li:last-child span { background: var(--green); }

.hero--article { min-height: 450px; }

.customer-card {
  padding: 26px;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.customer-card__top { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.customer-card__top strong, .customer-card__top .mini-label { display: block; }
.customer-avatar { width: 48px; height: 48px; display: grid; place-items: center; color: white; background: var(--blue); border-radius: 14px; font-size: .8rem; font-weight: 900; }
.customer-stats { display: grid; gap: 0; margin: 0; }
.customer-stats div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.customer-stats dt { color: var(--muted); font-size: .8rem; }
.customer-stats dd { margin: 0; font-size: .82rem; font-weight: 800; }
.customer-stats div:last-child dd { color: #b15e00; }
.customer-card__action { display: flex; justify-content: space-between; margin: 20px -8px -8px; padding: 12px 14px; color: white; background: var(--ink); border-radius: 12px; font-size: .8rem; font-weight: 800; }

.page-shell { display: grid; grid-template-columns: 250px minmax(0, 780px); gap: clamp(54px, 8vw, 110px); justify-content: center; padding: 80px 0 110px; }
.article-nav__inner { position: sticky; top: 28px; }
.nav-title { margin-bottom: 13px; font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.article-nav nav { display: grid; }
.article-nav nav a { padding: 7px 0 7px 14px; color: var(--muted); border-left: 2px solid var(--line); font-size: .83rem; line-height: 1.4; text-decoration: none; }
.article-nav nav a:hover, .article-nav nav a.active { color: var(--blue); border-color: var(--blue); font-weight: 700; }

.nav-support { display: flex; gap: 12px; margin-top: 28px; padding: 16px; background: var(--ink); color: white; border-radius: 14px; }
.nav-support__icon { flex: 0 0 30px; height: 30px; display: grid; place-items: center; color: var(--ink); background: white; border-radius: 9px; font-weight: 900; }
.nav-support strong { display: block; font-size: .8rem; }
.nav-support a { color: #a8c9ff; font-size: .75rem; }
.mobile-contents { display: none; }

.article { min-width: 0; }
.article-intro { padding-bottom: 52px; color: var(--muted); font-size: 1.25rem; line-height: 1.65; border-bottom: 1px solid var(--line); }
.article section { padding: 72px 0; border-bottom: 1px solid var(--line); }
.section-kicker { margin-bottom: 10px; color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.article h2 { margin-bottom: 20px; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.045em; }
.article h3 { margin-top: 36px; margin-bottom: 12px; font-size: 1.2rem; }
.article p { color: #384b5a; }
.article strong { color: var(--ink); }

.check-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px 18px; margin: 24px 0 28px; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 13px 14px 13px 44px; background: white; border: 1px solid var(--line); border-radius: 12px; font-weight: 700; }
.check-list li::before { content: "✓"; position: absolute; left: 14px; color: var(--green); }

.callout { display: flex; gap: 16px; margin: 28px 0; padding: 20px; border: 1px solid; border-radius: var(--radius); }
.callout__icon { flex: 0 0 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; font-weight: 900; }
.callout p { margin: 4px 0 0; font-size: .92rem; }
.callout--info { border-color: #bad3ff; background: #edf5ff; }
.callout--info .callout__icon { color: var(--blue); background: white; }
.callout--warning { border-color: #f0d79c; background: #fff9eb; }
.callout--warning .callout__icon { color: #8b5d00; background: white; }
.callout--success { border-color: #b8e6c9; background: var(--soft-green); }
.callout--success .callout__icon { color: #087a3a; background: white; }

.action-preview { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px; margin: 28px 0; padding: 18px; background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 35px rgba(20,35,49,.06); }
.action-preview__icon { width: 42px; height: 42px; display: grid; place-items: center; color: white; background: var(--blue); border-radius: 13px; }
.action-preview strong, .action-preview .mini-label { display: block; }
.muted-note { color: var(--muted) !important; font-size: .9rem; }

.field-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 24px 0; }
.field-grid span { padding: 12px 14px; background: white; border: 1px solid var(--line); border-radius: 11px; font-weight: 700; }
.field-grid small { color: var(--muted); font-weight: 400; }

.form-preview { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 12px; margin: 28px 0; padding: 22px; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.form-preview label { display: block; margin-bottom: 6px; color: var(--muted); font-size: .75rem; font-weight: 700; }
.fake-input { padding: 12px 14px; color: #8a959e; border: 1px solid #bfcbd3; border-radius: 10px; }
.fake-button { padding: 12px 17px; color: white; background: var(--blue); border-radius: 10px; font-weight: 800; white-space: nowrap; }

.dashboard-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin: 28px 0 18px; }
.metric-card { min-height: 145px; display: flex; flex-direction: column; padding: 18px; background: white; border: 1px solid var(--line); border-top: 4px solid; border-radius: 15px; }
.metric-card span { color: var(--muted); font-size: .75rem; font-weight: 700; }
.metric-card strong { margin-top: auto; font-size: 1.25rem; }
.metric-card small { color: var(--muted); }
.metric-card--green { border-top-color: var(--green); }
.metric-card--blue { border-top-color: var(--blue); }
.metric-card--ink { border-top-color: var(--ink); }
.plain-list { columns: 3; margin: 16px 0 28px; padding-left: 20px; }
.plain-list--one { columns: 1; }

.feature-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin: 28px 0; }
.feature-grid--three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.feature-grid > div { min-height: 150px; display: flex; flex-direction: column; padding: 18px; background: white; border: 1px solid var(--line); border-radius: 15px; }
.feature-grid > div > span { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 18px; color: var(--blue); background: var(--soft-blue); border-radius: 11px; font-size: 1.1rem; font-weight: 800; }
.feature-grid small { margin-top: 5px; color: var(--muted); line-height: 1.4; }

.type-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin: 28px 0; }
.type-grid > div { padding: 24px; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.type-grid h3 { margin: 14px 0 10px; }
.type-grid p { margin-bottom: 0; font-size: .9rem; }
.type-icon { width: 42px; height: 42px; display: grid; place-items: center; color: white; background: var(--blue); border-radius: 12px; font-weight: 900; }
.type-icon--green { background: var(--green); }
.plain-checks { margin: 0; padding-left: 18px; color: #384b5a; font-size: .88rem; }
.plain-checks li { padding: 4px 0; }

.contact-preview { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 28px 0; }
.contact-preview div { padding: 16px; background: white; border: 1px solid var(--line); border-radius: 12px; }
.contact-preview span, .contact-preview strong { display: block; }
.contact-preview span { color: var(--muted); font-size: .72rem; font-weight: 700; }

.file-preview { display: flex; align-items: flex-start; gap: 16px; margin: 28px 0; padding: 22px; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.file-preview > span { flex: 0 0 44px; height: 44px; display: grid; place-items: center; color: var(--blue); background: var(--soft-blue); border-radius: 12px; font-size: 1.3rem; }
.file-preview p { margin: 4px 0 0; font-size: .9rem; }

.empty-preview { display: grid; justify-items: center; gap: 4px; margin: 28px 0; padding: 34px; text-align: center; background: white; border: 1px dashed #bfcbd3; border-radius: var(--radius); }
.empty-preview > span { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 8px; color: var(--muted); background: var(--paper); border-radius: 12px; font-size: 1.3rem; }
.empty-preview small { color: var(--muted); }

.action-pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 26px 0; }
.action-pair span { padding: 15px 17px; background: white; border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 11px; font-weight: 800; }
.action-pair span:first-child { border-left-color: #d69a20; }

.empty-card { text-align: center; }
.empty-card > span { width: 46px; height: 46px; display: grid; place-items: center; margin: 0 auto; color: var(--blue); background: var(--soft-blue); border-radius: 13px; font-size: 1.25rem; }
.empty-card > strong { display: inline-block; margin-top: 16px; padding: 8px 12px; color: white; background: var(--blue); border-radius: 9px; font-size: .76rem; }

.workflow-strip { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 8px; margin: 30px 0; padding: 0; list-style: none; }
.workflow-strip li { min-height: 105px; display: flex; flex-direction: column; justify-content: space-between; padding: 12px; background: white; border: 1px solid var(--line); border-radius: 12px; font-size: .75rem; font-weight: 800; }
.workflow-strip span { width: 27px; height: 27px; display: grid; place-items: center; color: white; background: var(--ink); border-radius: 8px; font-size: .65rem; }
.workflow-strip li:first-child { border-color: #a7c6fa; background: var(--soft-blue); }
.workflow-strip li:first-child span { background: var(--blue); }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.chip-row span { padding: 8px 12px; color: var(--blue); background: var(--soft-blue); border: 1px solid #caddfb; border-radius: 999px; font-size: .78rem; font-weight: 750; }

.device-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin: 28px 0; }
.device-grid > div { padding: 20px; background: white; border: 1px solid var(--line); border-radius: 15px; }
.device-grid h3 { margin: 12px 0 6px; }
.device-grid p { margin: 0; font-size: .86rem; }
.device-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--blue); background: var(--soft-blue); border-radius: 11px; font-size: 1.2rem; }

.topic-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 28px; }
.topic-grid a { min-height: 130px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto 1fr; gap: 5px 14px; padding: 18px; background: white; border: 1px solid var(--line); border-radius: 15px; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.topic-grid a:hover { transform: translateY(-3px); border-color: #a7c6fa; box-shadow: 0 14px 35px rgba(20,35,49,.08); }
.topic-grid a > span { grid-row: 1 / 3; width: 34px; height: 34px; display: grid; place-items: center; color: white; background: var(--ink); border-radius: 10px; font-size: .68rem; font-weight: 800; }
.topic-grid strong { align-self: end; }
.topic-grid small { color: var(--muted); line-height: 1.4; }

.article-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 52px; padding: 26px; color: white; background: var(--ink); border-radius: 20px; box-shadow: var(--shadow); }
.article-footer .mini-label { display: block; color: #9eb1c0; }
.article-footer strong { display: block; color: white; font-size: 1.15rem; }
.article-footer a { flex: 0 0 auto; padding: 10px 14px; color: white; background: var(--blue); border-radius: 10px; text-decoration: none; font-size: .82rem; font-weight: 800; }
.article-footer__links { display: flex; align-items: center; gap: 8px; }
.article-footer a.article-footer__secondary { color: #c5d3dd; background: rgba(255,255,255,.08); }

.site-footer { width: min(1280px, calc(100% - 48px)); margin: 0 auto; padding: 30px 0 36px; display: flex; justify-content: space-between; color: #7b8790; border-top: 1px solid var(--line); font-size: .75rem; }
.site-footer p { margin: 0; }

html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] .skip-link { right: 1rem; left: auto; }
html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3 { letter-spacing: 0; }
html[dir="rtl"] .article-nav nav a {
  padding: 7px 14px 7px 0;
  border-right: 2px solid var(--line);
  border-left: 0;
}
html[dir="rtl"] .article-nav nav a:hover,
html[dir="rtl"] .article-nav nav a.active { border-right-color: var(--blue); }
html[dir="rtl"] .check-list li { padding: 13px 44px 13px 14px; }
html[dir="rtl"] .check-list li::before { right: 14px; left: auto; }
html[dir="rtl"] .plain-list,
html[dir="rtl"] .plain-checks { padding-right: 20px; padding-left: 0; }
html[dir="rtl"] .action-pair span {
  border-right: 4px solid var(--blue);
  border-left: 1px solid var(--line);
}
html[dir="rtl"] .action-pair span:first-child { border-right-color: #d69a20; }
html[dir="rtl"] [aria-hidden="true"] { unicode-bidi: isolate; }
html[dir="rtl"] .header-link span[aria-hidden="true"],
html[dir="rtl"] .text-link span[aria-hidden="true"],
html[dir="rtl"] .hub-quick-links b[aria-hidden="true"],
html[dir="rtl"] .guide-card b[aria-hidden="true"],
html[dir="rtl"] .customer-card__action span[aria-hidden="true"] {
  transform: scaleX(-1);
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 48px; }
  .workflow-card { max-width: 600px; }
  .page-shell { grid-template-columns: 1fr; gap: 24px; padding-top: 36px; }
  .article-nav { display: none; }
  .mobile-contents { display: block; position: sticky; top: 10px; z-index: 5; padding: 0 16px; background: rgba(255,255,255,.95); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 10px 30px rgba(20,35,49,.08); }
  .mobile-contents summary { padding: 14px 0; cursor: pointer; font-weight: 800; }
  .mobile-contents nav { display: grid; padding: 0 0 15px; }
  .mobile-contents a { padding: 7px 0; color: var(--muted); text-decoration: none; font-size: .86rem; }
  .hub-section--workflow { grid-template-columns: 1fr; gap: 44px; }
  .workflow-strip--hub { width: 100%; }
}

@media (max-width: 640px) {
  .site-header, main, .site-footer { width: min(100% - 28px, 1280px); }
  .site-header { min-height: 82px; }
  .brand img { width: 125px; }
  .help-badge { display: none; }
  .header-actions { gap: 6px; }
  .language-switcher { min-height: 38px; padding: 3px; }
  .language-switcher a { min-width: 27px; min-height: 30px; padding: 0 5px; font-size: .63rem; }
  .header-link { padding: 0 12px; font-size: .72rem; }
  .hero { min-height: auto; padding: 56px 0 60px; }
  .hub-hero { min-height: auto; padding: 70px 0; }
  h1 { font-size: clamp(3rem, 16vw, 5rem); }
  .hub-quick-links, .guide-library { grid-template-columns: 1fr; }
  .hub-section { padding: 70px 0; }
  .hub-section__heading { display: block; }
  .hub-section__heading > p { margin-top: 20px; }
  .guide-card { min-height: 200px; padding: 20px; }
  .hub-support { align-items: flex-start; flex-direction: column; margin: 70px 0; }
  .workflow-card { padding: 20px; border-radius: 21px; }
  .article-intro { font-size: 1.08rem; }
  .article section { padding: 56px 0; }
  .check-list, .field-grid, .topic-grid, .dashboard-grid, .device-grid, .feature-grid, .type-grid, .contact-preview, .action-pair { grid-template-columns: 1fr; }
  .plain-list { columns: 1; }
  .workflow-strip { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .form-preview { grid-template-columns: 1fr; }
  .fake-button { text-align: center; }
  .article-footer { align-items: flex-start; flex-direction: column; }
  .article-footer__links { width: 100%; align-items: stretch; flex-direction: column; }
  .article-footer__links a { text-align: center; }
  .site-footer { flex-direction: column; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

:focus-visible { outline: 3px solid rgba(7,93,229,.35); outline-offset: 3px; }