@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/static/fonts/open-sans-latin.woff2") format("woff2");
}

/* ── base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 18px); -webkit-text-size-adjust: 100%; background: var(--paper); }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--blue-700); text-decoration: none; }
a:hover { color: var(--blue-500); }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
h1, h2, h3, h4, p, figure, dl, dd, blockquote { margin: 0; }
h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.025em;
  line-height: 1.12;
  text-wrap: balance;
  word-break: normal;
  overflow-wrap: break-word;
}
h1 { font-size: clamp(42px, 5.4vw, 74px); line-height: 1.02; letter-spacing: -0.038em; }
h2 { font-size: clamp(28px, 3.2vw, 46px); }
h3 { font-size: clamp(18px, 1.6vw, 22px); }
p { text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
strong { font-weight: 700; }
em { font-style: normal; }
::selection { background: var(--blue-300); color: var(--navy-950); }
:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 3px; }
.dark :focus-visible, .hero :focus-visible, .prefooter :focus-visible, .proof :focus-visible { outline-color: var(--white-80); }

.wrap { width: min(calc(100% - (var(--gutter) * 2)), var(--wrap)); margin-inline: auto; }
.section { padding: var(--section-y) 0; }
.section--tight { padding-top: clamp(42px, 5.5vw, 72px); padding-bottom: clamp(56px, 7vw, 96px); }
.section--alt { background: var(--ice); }
.section--navy { background: var(--navy-900); color: #fff; }
.section--navy h2, .section--navy h3 { color: #fff; }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip {
  position: fixed; left: 16px; top: -100px; z-index: 200;
  padding: 10px 16px; background: var(--paper); color: var(--ink); border: 1px solid var(--line);
  transition: top .2s;
}
.skip:focus { top: 12px; }

/* ── shared pieces ───────────────────────────────────── */
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
  font-size: 11px; line-height: 1.4; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--blue-700);
}
.eyebrow--light { color: var(--blue-300); }
.eyebrow__rule { display: inline-block; width: 26px; height: 1px; background: currentColor; }
.nowrap { white-space: nowrap; }
.kicker {
  margin-bottom: 10px; color: var(--blue-600);
  font-size: 10.5px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase;
}
.muted { color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 16px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 13px 23px;
  border: 1px solid transparent; border-radius: var(--radius);
  font-size: 14px; line-height: 1.2; font-weight: 700; letter-spacing: .01em;
  cursor: pointer; text-align: center;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--blue-700); color: #fff; border-color: var(--blue-700); }
.btn--primary:hover { background: var(--blue-500); border-color: var(--blue-500); color: #fff; }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--outline:hover { border-color: var(--blue-700); color: var(--blue-700); background: var(--blue-50); }
.btn--light { background: var(--paper); color: var(--navy-900); border-color: var(--paper); }
.btn--light:hover { background: var(--blue-100); border-color: var(--blue-100); color: var(--navy-900); }
.btn--ghost-light { background: transparent; color: #fff; border-color: var(--white-16); }
.btn--ghost-light:hover { background: var(--white-08); border-color: var(--white-64); color: #fff; }
.btn--full { width: 100%; }
.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 700; color: var(--blue-700);
  border-bottom: 1px solid var(--blue-100); padding-bottom: 3px;
}
.text-link span { transition: transform .2s var(--ease); }
.text-link:hover span { transform: translateX(4px); }
.text-link--light { color: #fff; border-color: var(--white-16); }
.text-link--light:hover { color: var(--white-80); }
.media-tag {
  position: absolute; left: 12px; top: 12px; z-index: 2;
  padding: 4px 8px; background: rgba(6, 23, 44, .8); color: #fff;
  font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.media-tag--large { left: 16px; top: 16px; padding: 6px 10px; }
.note-box {
  margin-top: 34px; padding: 24px 26px;
  background: var(--blue-50); border-left: 3px solid var(--blue-500);
}
.note-box strong { display: block; margin-bottom: 6px; font-size: 15px; }
.note-box p { color: var(--muted); font-size: 14px; line-height: 1.75; max-width: 90ch; }
.note-box a { text-decoration: underline; text-underline-offset: 3px; }
.note-box--warn { background: #fbf7ec; border-left-color: #b58125; }
.notes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.notes-grid .note-box { margin-top: 0; }
.source-strip { border-top: 1px solid var(--line); background: var(--paper); }
.source-strip--inline { margin-top: 38px; border-top: 0; background: transparent; }
.source-strip__inner {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px 0; color: var(--muted); font-size: 13px; line-height: 1.7;
}
.source-strip__badge {
  flex: 0 0 auto; margin-top: 1px; padding: 2px 7px;
  background: var(--navy-800); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: .1em;
}
.source-strip p { max-width: 105ch; }
.source-strip a { text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }

/* ── topbar + header ─────────────────────────────────── */
.topbar { background: var(--navy-950); color: var(--white-64); font-size: 11.5px; line-height: 1.4; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 34px; }
.topbar__tag { display: flex; align-items: center; gap: 8px; letter-spacing: .02em; }
.topbar__dot { width: 5px; height: 5px; background: var(--blue-300); border-radius: 50%; }
.topbar__links { display: flex; gap: 20px; }
.topbar a { color: var(--white-64); }
.topbar a:hover { color: #fff; }
.header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255, 255, 255, .97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(9px);
}
.header__inner { display: flex; align-items: center; gap: 26px; min-height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; color: var(--navy-800); }
.logo img { height: 52px; width: auto; }
.logo__cn {
  padding-left: 10px; border-left: 1px solid var(--line);
  font-size: 10.5px; font-weight: 700; letter-spacing: .08em; color: var(--muted); white-space: nowrap;
}
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav__link {
  position: relative; display: block; padding: 9px 11px;
  color: var(--ink-2); font-size: 13.5px; font-weight: 600; white-space: nowrap;
}
.nav__link::after {
  content: ""; position: absolute; left: 11px; right: 11px; bottom: 2px; height: 2px;
  background: var(--blue-600); transform: scaleX(0); transform-origin: left;
  transition: transform .22s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--blue-700); }
.header__actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border: 1px solid transparent; background: transparent; cursor: pointer;
}
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.icon-btn:hover { border-color: var(--line); background: var(--ice); }
.header__cta { min-height: 42px; padding: 10px 17px; font-size: 12.5px; }
.menu-btn {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  background: transparent; cursor: pointer; padding: 0 10px;
}
.menu-btn span { display: block; height: 1.5px; background: var(--ink); margin: 5px 0; transition: transform .2s; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
.mobile-inquiry { display: none; }

/* ── home hero ───────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden; min-height: min(790px, 88vh);
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(72px, 9vw, 126px) 0 0;
  background: var(--navy-950); color: #fff;
}
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 38%; opacity: .5; filter: saturate(.55) contrast(1.04); }
.hero__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(6,23,44,.98) 0%, rgba(6,23,44,.9) 44%, rgba(6,23,44,.34) 78%, rgba(6,23,44,.2) 100%),
    linear-gradient(0deg, rgba(6,23,44,.83) 0%, rgba(6,23,44,.05) 44%);
}
.hero__rings { position: absolute; right: -7%; top: 4%; width: min(700px, 54vw); opacity: .32; pointer-events: none; }
.hero__rings svg { width: 100%; height: auto; fill: none; stroke: var(--blue-300); stroke-width: .7; opacity: .7; }
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(36px, 6vw, 80px); align-items: end; padding-bottom: clamp(48px, 6vw, 72px); }
.hero__copy { max-width: 800px; }
.hero h1 { color: #fff; max-width: 880px; font-size: clamp(50px, 6.5vw, 94px); line-height: .99; letter-spacing: -.045em; }
.hero__lead { max-width: 630px; margin-top: 26px; color: var(--white-80); font-size: clamp(16px, 1.35vw, 18px); line-height: 1.8; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.hero__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--white-16); max-width: 700px; }
.hero__stats dt { order: 2; margin-top: 5px; color: var(--white-64); font-size: 11px; line-height: 1.5; letter-spacing: .02em; }
.hero__stats dd { order: 1; color: #fff; font-size: clamp(24px, 2.5vw, 34px); line-height: 1; font-weight: 700; letter-spacing: -.03em; }
.hero__stats small { margin-left: 4px; font-size: .45em; font-weight: 600; letter-spacing: 0; color: var(--blue-300); }
.hero__card { align-self: end; background: rgba(255,255,255,.97); color: var(--ink); box-shadow: var(--shadow); }
.hero__card-media { aspect-ratio: 3 / 2; overflow: hidden; }
.hero__card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.hero__card:hover .hero__card-media img { transform: scale(1.035); }
.hero__card-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 4px; }
.hero__card-body strong { font-size: 20px; letter-spacing: -.02em; }
.hero__card-body > span:not(.kicker) { color: var(--muted); font-size: 12.5px; }
.hero__card-body a { margin-top: 10px; font-size: 12.5px; font-weight: 700; color: var(--blue-700); }
.hero__note {
  position: relative; z-index: 2; display: flex; justify-content: space-between; gap: 20px;
  padding-top: 16px; padding-bottom: 18px; border-top: 1px solid var(--white-16);
  color: var(--white-64); font-size: 11px; line-height: 1.6;
}
.hero__note-links { display: flex; gap: 18px; flex: 0 0 auto; }
.hero__note-links a { color: var(--white-80); }
.hero__note-links a:hover { color: #fff; }

/* ── system band ─────────────────────────────────────── */
.system-band { padding: clamp(56px, 7vw, 92px) 0; background: var(--ice); border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .6fr); gap: clamp(28px, 6vw, 88px); align-items: end; margin-bottom: clamp(32px, 4.5vw, 58px); }
.section-head h2 { max-width: 20ch; }
.section-head__aside { max-width: 48ch; font-size: 16px; line-height: 1.8; color: var(--muted); }
.section-head__aside p { margin-bottom: 14px; }
.section-head--compact { grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr); margin-bottom: 30px; align-items: end; }
.section-head--compact h2 { font-size: clamp(26px, 2.6vw, 38px); }
.section-head--compact .section-head__aside { font-size: 15px; }
.system-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.system-card {
  display: grid; grid-template-columns: 1fr; grid-template-rows: 220px minmax(0, 1fr);
  background: var(--paper); border: 1px solid var(--line);
  color: var(--ink); overflow: hidden; transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.system-card:hover { border-color: var(--blue-300); transform: translateY(-3px); color: var(--ink); }
.system-card__media { min-height: 180px; overflow: hidden; background: var(--ice-2); }
.system-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.system-card:hover .system-card__media img { transform: scale(1.035); }
.system-card__body { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 26px 24px 22px; gap: 20px; }
.system-card__index { color: var(--steel); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.system-card__en { margin-bottom: 5px; color: var(--blue-600); font-size: 10px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.system-card h3 { font-size: clamp(22px, 2vw, 28px); }
.system-card p:last-child { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.round-arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: 1px solid var(--line); color: var(--blue-700);
  transition: background .2s, color .2s, border-color .2s;
}
.system-card:hover .round-arrow { background: var(--blue-700); color: #fff; border-color: var(--blue-700); }



/* ── category bento ──────────────────────────────────── */
.category-section { background: var(--paper); }
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: 240px; gap: 12px; }
.cat-tile { position: relative; grid-column: span 3; grid-row: span 1; overflow: hidden; background: var(--navy-900); color: #fff; }
.cat-tile--wide { grid-column: span 6; }
.cat-tile--lead { grid-column: span 6; grid-row: span 2; }
.cat-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.cat-tile:hover img { transform: scale(1.045); }
.cat-tile:hover { color: #fff; }
.cat-tile__shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,23,44,.08) 0%, rgba(6,23,44,.14) 40%, rgba(6,23,44,.9) 100%);
}
.cat-tile__index { position: absolute; right: 14px; top: 12px; z-index: 2; color: rgba(255,255,255,.7); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.cat-tile__body { position: absolute; inset: auto 0 0 0; z-index: 2; display: flex; flex-direction: column; gap: 3px; padding: 20px; }
.cat-tile__en { color: var(--blue-300); font-size: 9.5px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.cat-tile strong { font-size: clamp(19px, 1.7vw, 24px); line-height: 1.2; letter-spacing: -.02em; }
.cat-tile__short { color: rgba(255,255,255,.72); font-size: 12px; line-height: 1.55; max-width: 30ch; }
.cat-tile__count { margin-top: 8px; color: rgba(255,255,255,.9); font-size: 11px; font-weight: 600; }
.cat-tile__count span { margin-left: 4px; transition: transform .2s; display: inline-block; }
.cat-tile:hover .cat-tile__count span { transform: translateX(4px); }
.cat-tile--lead .cat-tile__body { padding: 30px; }
.cat-tile--lead strong { font-size: clamp(28px, 3vw, 42px); }
.cat-tile--lead .cat-tile__short { font-size: 14px; max-width: 34ch; }
.cat-tile--lead .cat-tile__en { font-size: 10.5px; }

/* ── proof ───────────────────────────────────────────── */
.proof { position: relative; overflow: hidden; background: var(--navy-950); color: #fff; padding: clamp(64px, 8vw, 108px) 0; }
.proof__grid-bg {
  position: absolute; inset: 0; opacity: .18;
  background-image: linear-gradient(rgba(143,183,239,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(143,183,239,.18) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000, transparent 85%);
}
.proof__inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.2fr); gap: clamp(40px, 7vw, 100px); }
.proof__copy { max-width: 520px; }
.proof__copy h2 { color: #fff; font-size: clamp(32px, 3.6vw, 50px); max-width: 13ch; }
.proof__copy > p:not(.eyebrow) { margin-top: 24px; color: var(--white-64); font-size: 15px; line-height: 1.85; }
.proof__copy .btn { margin-top: 30px; }
.proof__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--white-16); border: 1px solid var(--white-16); }
.proof__facts article { background: var(--navy-950); padding: 26px 24px 28px; min-height: 190px; }
.proof__facts article > span { color: var(--blue-300); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.proof__facts h3 { margin-top: 22px; color: #fff; font-size: 21px; }
.proof__facts p { margin-top: 9px; color: var(--white-64); font-size: 13px; line-height: 1.7; }

/* ── applications ────────────────────────────────────── */
.app-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.app-card { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); color: var(--ink); transition: transform .2s var(--ease), border-color .2s; }
.app-card:hover { transform: translateY(-3px); border-color: var(--blue-300); color: var(--ink); }
.app-card__media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--ice-2); }
.app-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.app-card:hover .app-card__media img { transform: scale(1.04); }
.app-card__body { padding: 18px 18px 20px; }
.app-card__body > span:first-child { color: var(--blue-600); font-size: 9.5px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.app-card h2, .app-card h3 { margin-top: 5px; font-size: 20px; }
.app-card__body p { margin-top: 5px; color: var(--muted); font-size: 12.5px; line-height: 1.6; }
.app-card__body .text-link { margin-top: 13px; font-size: 12px; }
.app-grid--index { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.app-grid--small { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.app-card--text { padding: 20px; gap: 5px; min-height: 148px; justify-content: space-between; }
.app-card--text > span { color: var(--blue-600); font-size: 9.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.app-card--text h3 { font-size: 20px; }
.app-card--text .text-link { font-size: 12px; }

/* ── downloads strip ─────────────────────────────────── */
.download-strip { background: var(--navy-800); color: #fff; padding: clamp(56px, 7vw, 90px) 0; }
.download-strip__inner { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(36px, 7vw, 100px); align-items: start; }
.download-strip h2 { color: #fff; max-width: 13ch; }
.download-strip p:not(.eyebrow) { margin-top: 20px; color: var(--white-64); font-size: 14px; line-height: 1.8; max-width: 46ch; }
.download-strip__counts { display: flex; gap: 26px; margin-top: 28px; }
.download-strip__counts span { display: flex; flex-direction: column; color: var(--white-64); font-size: 11px; }
.download-strip__counts b { color: #fff; font-size: 28px; line-height: 1.2; }
.download-strip__list { display: flex; flex-direction: column; border-top: 1px solid var(--white-16); }
.download-strip__list > a { display: flex; align-items: center; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--white-16); color: #fff; }
.download-strip__list > a:hover { color: var(--white-80); }
.pdf-chip { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 42px; height: 32px; background: var(--paper); color: var(--navy-900); font-size: 9.5px; font-weight: 700; letter-spacing: .08em; }
.download-strip__meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.download-strip__meta strong { font-size: 14px; font-weight: 600; line-height: 1.45; }
.download-strip__meta span { color: var(--white-64); font-size: 11px; }
.download-strip__arrow { margin-left: auto; color: var(--blue-300); }
.download-strip__list .download-strip__all { justify-content: flex-end; color: var(--blue-300); font-size: 12px; font-weight: 700; border-bottom: 0; padding-top: 20px; }

/* ── knowledge ───────────────────────────────────────── */
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.article-card { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--paper); color: var(--ink); transition: transform .2s var(--ease), border-color .2s; }
.article-card:hover { transform: translateY(-3px); border-color: var(--blue-300); color: var(--ink); }
.article-card__media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--ice-2); }
.article-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.article-card:hover .article-card__media img { transform: scale(1.04); }
.article-card__body { padding: 22px 20px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.article-card__meta { color: var(--blue-600); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.article-card h3 { font-size: 21px; line-height: 1.3; }
.article-card h2 a { color: inherit; }
.article-card p { color: var(--muted); font-size: 13px; line-height: 1.75; }
.article-card .text-link { margin-top: auto; }

/* ── prefooter + footer ──────────────────────────────── */
.prefooter { background: var(--navy-950); color: #fff; padding: clamp(54px, 6.5vw, 82px) 0; border-top: 1px solid var(--white-08); }
.prefooter__inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; }
.prefooter h2 { color: #fff; max-width: 20em; font-size: clamp(30px, 3.2vw, 44px); }
.prefooter__lead { margin-top: 16px; color: var(--white-64); font-size: 13.5px; line-height: 1.8; max-width: 62ch; }
.prefooter__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.footer { background: var(--navy-900); color: var(--white-64); padding: 64px 0 28px; }
.footer__grid { display: grid; grid-template-columns: 1.55fr .8fr .8fr 1fr; gap: clamp(28px, 4vw, 60px); }
.footer__logo { display: inline-block; background: #fff; padding: 11px 13px; margin-bottom: 20px; }
.footer__logo img { height: 46px; width: auto; }
.footer__statement { color: var(--white-80); font-size: 13.5px; line-height: 1.8; max-width: 36ch; }
.footer__operator { margin-top: 14px; color: var(--white-64); font-size: 11px; line-height: 1.7; }
.footer__col { display: flex; flex-direction: column; gap: 8px; }
.footer__col h3 { margin-bottom: 8px; color: #fff; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.footer__col a, .footer__col span { color: var(--white-64); font-size: 12.5px; line-height: 1.6; }
.footer__col a:hover { color: #fff; }
.footer__contact a:first-of-type { color: #fff; font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px;
  margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--white-16);
  color: rgba(255,255,255,.45); font-size: 10.5px; line-height: 1.7;
}
.footer__legal { display: flex; gap: 18px; }
.footer__legal a { color: var(--white-64); }
.footer__source { max-width: 58ch; }

/* ── breadcrumbs / page hero ─────────────────────────── */
.breadcrumbs { padding-top: 18px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; color: var(--muted-light); font-size: 11.5px; line-height: 1.5; }
.breadcrumbs li + li::before { content: "/"; margin-right: 7px; color: var(--line-strong); }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--blue-700); }
.breadcrumbs [aria-current="page"] { color: var(--ink-2); }
.page-hero { padding: 48px 0 58px; background: var(--ice); border-bottom: 1px solid var(--line); }
.page-hero__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: clamp(32px, 6vw, 84px); align-items: end; }
.page-hero h1 { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; font-size: clamp(42px, 5vw, 64px); }
.h1-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; height: 44px; padding: 0 8px; margin-top: 8px;
  border: 1px solid var(--line-strong); color: var(--blue-700);
  font-size: 13px; font-weight: 700; letter-spacing: 0; line-height: 1;
}
.page-hero__lead { margin-top: 22px; max-width: 62ch; color: var(--muted); font-size: 16px; line-height: 1.85; }
.page-hero__fine { margin-top: 14px; max-width: 70ch; color: var(--muted-light); font-size: 12px; line-height: 1.7; }
.page-hero__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.page-hero__chips a { display: inline-flex; gap: 8px; align-items: center; padding: 8px 12px; border: 1px solid var(--line-strong); color: var(--ink-2); font-size: 12px; font-weight: 600; background: var(--paper); }
.page-hero__chips a:hover { border-color: var(--blue-500); color: var(--blue-700); }
.page-hero__chips span { color: var(--blue-600); font-weight: 700; }
.page-hero__figure { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--paper); }
.page-hero__figure img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.page-hero__figure figcaption { padding: 9px 12px; color: var(--muted-light); font-size: 10.5px; line-height: 1.5; border-top: 1px solid var(--line); }

/* ── product index ───────────────────────────────────── */
.filter-bar { padding: 22px 24px; background: var(--paper); border: 1px solid var(--line); }
.filter-bar__search label { display: block; margin-bottom: 8px; color: var(--ink-2); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.search-control { position: relative; }
.search-control svg { position: absolute; left: 14px; top: 50%; width: 19px; height: 19px; transform: translateY(-50%); fill: none; stroke: var(--muted); stroke-width: 1.6; }
.search-control input {
  width: 100%; height: 50px; padding: 0 16px 0 44px;
  border: 1px solid var(--line-strong); background: var(--paper); color: var(--ink); border-radius: 0;
  font-size: 14px;
}
.search-control input:focus { border-color: var(--blue-500); outline: none; box-shadow: 0 0 0 3px var(--blue-100); }
.filter-bar__groups { display: flex; flex-wrap: wrap; gap: 20px 34px; margin-top: 18px; }
.filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.filter-label { margin-right: 5px; color: var(--muted-light); font-size: 10.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.chip {
  padding: 6px 11px; border: 1px solid var(--line); background: var(--paper);
  color: var(--muted); font-size: 11.5px; font-weight: 600; cursor: pointer; border-radius: 1px;
}
.chip:hover { border-color: var(--blue-300); color: var(--blue-700); }
.chip.is-active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.chip--reset { margin-left: auto; border-color: transparent; color: var(--muted-light); text-decoration: underline; text-underline-offset: 3px; }
.filter-bar__count { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11.5px; }
.filter-bar__count span { color: var(--ink); font-weight: 700; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 22px; }
.product-card { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); transition: transform .2s var(--ease), border-color .2s var(--ease); }
.product-card:hover { transform: translateY(-3px); border-color: var(--blue-300); }
.product-card__media { position: relative; display: block; aspect-ratio: 3 / 2; overflow: hidden; background: var(--ice-2); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.product-card:hover .product-card__media img { transform: scale(1.04); }
.product-card__body { display: flex; flex-direction: column; flex: 1; padding: 18px 18px 20px; }
.product-card__meta { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 8px; color: var(--blue-600); font-size: 9.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.product-card__meta span:last-child { color: var(--muted-light); }
.product-card h3 { font-size: 22px; line-height: 1.25; }
.product-card h3 a { color: var(--ink); }
.product-card h3 a:hover { color: var(--blue-700); }
.product-card__en { margin-top: 3px; color: var(--muted-light); font-size: 10.5px; letter-spacing: .02em; }
.product-card__tagline { margin-top: 9px; color: var(--muted); font-size: 12.5px; line-height: 1.65; }
.mini-specs { display: flex; flex-direction: column; gap: 0; margin: 15px 0 16px; border-top: 1px solid var(--line); }
.mini-specs > div { display: grid; grid-template-columns: 5.4em minmax(0, 1fr); gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 10.5px; line-height: 1.5; }
.mini-specs dt { color: var(--muted-light); }
.mini-specs dd { color: var(--ink-2); }
.product-card .text-link { margin-top: auto; font-size: 12px; align-self: flex-start; }
.empty-state { padding: 40px 0; color: var(--muted); font-size: 14px; }
.empty-state a { text-decoration: underline; }
.product-grid--category { margin-top: 20px; }
.product-grid--related { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ── category page ───────────────────────────────────── */
.category-hero { padding: 42px 0 54px; background: var(--ice); border-bottom: 1px solid var(--line); }
.category-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.category-hero h1 { font-size: clamp(42px, 5vw, 68px); }
.category-hero__short { margin-top: 12px; color: var(--blue-700); font-size: 15px; font-weight: 600; }
.category-hero__intro { margin-top: 18px; max-width: 62ch; color: var(--muted); font-size: 16px; line-height: 1.85; }
.category-hero__meta { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.category-hero__meta b { color: var(--ink); font-size: 20px; margin-right: 4px; }
.category-hero__meta a { color: var(--blue-700); font-weight: 700; }
.category-hero__figure { border: 1px solid var(--line); background: var(--paper); overflow: hidden; }
.category-hero__figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.category-hero__figure figcaption { padding: 9px 12px; color: var(--muted-light); font-size: 10.5px; line-height: 1.5; border-top: 1px solid var(--line); }
.category-layout { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: clamp(30px, 5vw, 64px); align-items: start; }
.category-main { min-width: 0; }
.category-aside, .product-aside, .article-aside, .app-aside, .legal-aside, .faq-aside, .search-aside { display: flex; flex-direction: column; gap: 14px; position: sticky; top: calc(var(--header-h) + 18px); }
.aside-card { padding: 22px 20px; background: var(--ice); border: 1px solid var(--line); }
.aside-card h2, .aside-card h3 { margin-top: 4px; font-size: 20px; }
.aside-card p { margin-top: 8px; color: var(--muted); font-size: 12.5px; line-height: 1.7; }
.aside-card .btn { margin-top: 16px; }
.aside-card .text-link { margin-top: 13px; font-size: 12px; }
.aside-card__fine { margin-top: 12px; color: var(--muted-light) !important; font-size: 11px !important; }
.aside-card--sources { background: var(--paper); }
.aside-card--contact a { display: block; margin-top: 7px; color: var(--blue-700); font-weight: 600; font-size: 13px; }
.aside-card--contact span { display: block; margin-top: 8px; color: var(--muted-light); font-size: 11px; }
.aside-card--links { padding-bottom: 12px; }
.aside-card--toc ol { margin-top: 10px; counter-reset: toc; display: flex; flex-direction: column; gap: 0; }
.aside-card--toc li { counter-increment: toc; border-bottom: 1px solid var(--line); }
.aside-card--toc li a { display: flex; gap: 9px; padding: 8px 0; color: var(--ink-2); font-size: 12px; line-height: 1.5; }
.aside-card--toc li a::before { content: counter(toc, decimal-leading-zero); color: var(--blue-600); font-size: 9px; font-weight: 700; padding-top: 2px; }
.source-list { margin-top: 12px; display: flex; flex-direction: column; }
.source-list li { border-top: 1px solid var(--line); }
.source-list li:last-child { border-bottom: 1px solid var(--line); }
.source-list a { display: flex; justify-content: space-between; gap: 10px; padding: 9px 0; color: var(--ink-2); font-size: 12px; line-height: 1.5; }
.source-list a:hover { color: var(--blue-700); }
.link-list { margin-top: 12px; }
.link-list li { border-top: 1px solid var(--line); }
.link-list a { display: flex; justify-content: space-between; padding: 9px 0; color: var(--ink-2); font-size: 12px; }
.link-list a span { color: var(--muted-light); }
.category-products-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-top: 44px; margin-bottom: 0; }
.category-products-head h2 { font-size: 28px; }
.category-products-head span { color: var(--muted-light); font-size: 11.5px; }

/* ── specification tables ─────────────────────────────── */
.spec-table { width: 100%; border-collapse: collapse; border-top: 1px solid var(--ink); }
.spec-table th, .spec-table td { padding: 14px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 13.5px; line-height: 1.7; }
.spec-table th { width: 26%; padding-right: 24px; color: var(--muted); font-weight: 600; }
.spec-table td { color: var(--ink-2); }
.spec-table--product th { width: 24%; }
.spec-source { display: inline-flex; align-items: center; gap: 2px; margin-left: 8px; padding: 1px 5px; border: 1px solid var(--line); color: var(--muted-light); font-size: 9px; line-height: 1.5; white-space: nowrap; vertical-align: 1px; }
.spec-source:hover { color: var(--blue-700); border-color: var(--blue-300); }

/* ── product detail ───────────────────────────────────── */
.product-hero { padding: 36px 0 52px; border-bottom: 1px solid var(--line); background: var(--paper); }
.product-hero__grid { display: grid; grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr); gap: clamp(32px, 6vw, 82px); align-items: center; }
.product-media { position: relative; background: var(--ice); border: 1px solid var(--line); }
.product-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.product-media > p { padding: 10px 12px; color: var(--muted-light); font-size: 10.5px; line-height: 1.55; border-top: 1px solid var(--line); }
.product-copy__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 15px; }
.back-cat { color: var(--blue-700); font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.product-badge { padding: 4px 8px; background: var(--blue-50); color: var(--blue-700); font-size: 10px; font-weight: 700; letter-spacing: .06em; }
.product-copy h1 { font-size: clamp(38px, 4.5vw, 60px); }
.product-copy__en { margin-top: 6px; color: var(--muted-light); font-size: 13px; letter-spacing: .01em; }
.product-copy__tagline { margin-top: 14px; color: var(--blue-700); font-size: 17px; font-weight: 600; line-height: 1.55; }
.product-copy__desc { margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 62ch; }
.key-specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 26px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.key-specs > div { padding: 12px 14px 12px 0; border-right: 1px solid var(--line); }
.key-specs > div:last-child { border-right: 0; }
.key-specs dt { color: var(--muted-light); font-size: 10px; line-height: 1.5; letter-spacing: .02em; }
.key-specs dd { margin-top: 5px; color: var(--ink); font-size: 12.5px; font-weight: 600; line-height: 1.5; }
.product-copy__actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.product-copy__fine { margin-top: 14px; color: var(--muted-light); font-size: 10.5px; line-height: 1.65; }
.product-body { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: clamp(30px, 5vw, 64px); align-items: start; }
.product-body__main { min-width: 0; }
.product-section { margin-top: 54px; padding-top: 36px; border-top: 1px solid var(--line); }
.product-section h2 { font-size: clamp(26px, 2.8vw, 36px); }
.feature-list { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-list li { display: flex; gap: 16px; background: var(--paper); padding: 20px; }
.feature-list__num { color: var(--blue-600); font-size: 10px; font-weight: 700; letter-spacing: .08em; padding-top: 3px; }
.feature-list p { color: var(--muted); font-size: 13px; line-height: 1.75; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag-link { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; border: 1px solid var(--line); color: var(--ink-2); font-size: 12px; background: var(--paper); }
.tag-link:hover { border-color: var(--blue-500); color: var(--blue-700); background: var(--blue-50); }
.source-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.source-card { position: relative; display: flex; flex-direction: column; gap: 5px; padding: 18px 16px 18px; border: 1px solid var(--line); color: var(--ink); background: var(--ice); }
.source-card:hover { border-color: var(--blue-300); color: var(--ink); }
.source-card__kind { color: var(--blue-600); font-size: 9.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.source-card strong { font-size: 13px; line-height: 1.45; padding-right: 22px; }
.source-card__url { color: var(--muted-light); font-size: 9.5px; overflow-wrap: anywhere; }
.source-card__arrow { position: absolute; right: 14px; top: 15px; color: var(--blue-600); }

/* ── series page ─────────────────────────────────────── */
.series-hero { padding: 48px 0 56px; background: var(--navy-900); color: #fff; }
.series-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .85fr); gap: clamp(32px, 6vw, 84px); align-items: center; }
.series-hero h1 { color: #fff; font-size: clamp(42px, 5vw, 66px); }
.series-hero__lead { margin-top: 20px; max-width: 62ch; color: var(--white-64); font-size: 15px; line-height: 1.85; }
.series-hero__meta { display: flex; gap: 28px; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--white-16); color: var(--white-64); font-size: 12px; }
.series-hero__meta b { color: #fff; font-size: 22px; margin-right: 4px; }
.series-hero__figure { border: 1px solid var(--white-16); overflow: hidden; background: var(--navy-950); }
.series-hero__figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.series-hero__figure figcaption { padding: 9px 12px; color: var(--white-64); font-size: 10.5px; border-top: 1px solid var(--white-16); }
.category-list { border-top: 1px solid var(--ink); }
.category-row { display: grid; grid-template-columns: 48px 1.1fr 1.3fr 120px 28px; gap: 20px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.category-row:hover { color: var(--blue-700); }
.category-row__index { color: var(--blue-600); font-size: 10px; font-weight: 700; letter-spacing: .08em; }
.category-row__name { display: flex; flex-direction: column; }
.category-row__name strong { font-size: 20px; }
.category-row__name span { color: var(--muted-light); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.category-row__short { color: var(--muted); font-size: 12.5px; }
.category-row__count { color: var(--muted); font-size: 11.5px; text-align: right; }
.category-row__arrow { color: var(--blue-600); }

/* ── application detail ──────────────────────────────── */
.app-hero { padding: 46px 0 56px; background: var(--ice); border-bottom: 1px solid var(--line); }
.app-hero__grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(320px, .86fr); gap: clamp(32px, 6vw, 84px); align-items: center; }
.app-hero h1 { font-size: clamp(42px, 5vw, 66px); }
.app-hero__short { margin-top: 12px; color: var(--blue-700); font-size: 16px; font-weight: 600; }
.app-hero__intro { margin-top: 18px; max-width: 62ch; color: var(--muted); font-size: 16px; line-height: 1.85; }
.app-hero__meta { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 26px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.app-hero__meta b { color: var(--ink); font-size: 20px; margin-right: 4px; }
.app-hero__meta a { color: var(--blue-700); font-weight: 700; }
.app-hero__figure { border: 1px solid var(--line); background: var(--paper); overflow: hidden; }
.app-hero__figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.app-hero__figure figcaption { padding: 9px 12px; color: var(--muted-light); font-size: 10.5px; border-top: 1px solid var(--line); }
.app-layout { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: clamp(30px, 5vw, 64px); align-items: start; }
.app-main { min-width: 0; }
.check-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.check-list li { display: flex; gap: 18px; padding: 22px 22px; background: var(--paper); }
.check-list > li > span { color: var(--blue-600); font-size: 10px; font-weight: 700; letter-spacing: .08em; padding-top: 3px; }
.check-list p { color: var(--muted); font-size: 13.5px; line-height: 1.8; }
.app-quote { margin-top: 34px; padding: 26px 28px; background: var(--navy-900); color: #fff; }
.app-quote p { font-size: 15px; line-height: 1.8; color: var(--white-80); }
.app-quote span { display: block; margin-top: 12px; color: var(--white-64); font-size: 10.5px; }

/* ── downloads ───────────────────────────────────────── */
.page-hero__figure--doc { background: var(--navy-900); border-color: var(--navy-900); }
.doc-visual { position: relative; aspect-ratio: 16 / 10; display: flex; flex-direction: column; justify-content: flex-end; padding: 32px; overflow: hidden; background: linear-gradient(145deg, var(--navy-800), var(--navy-950)); }
.doc-visual::before { content: ""; position: absolute; inset: 22px; border: 1px solid var(--white-16); }
.doc-visual__label { position: relative; z-index: 1; color: #fff; font-size: 34px; font-weight: 700; letter-spacing: -.04em; }
.doc-visual__line { position: relative; z-index: 1; height: 1px; width: 80%; background: var(--white-16); margin-top: 12px; }
.doc-visual__line--short { width: 48%; margin-top: 8px; }
.doc-visual__ring { position: absolute; right: -16%; top: -21%; width: 72%; aspect-ratio: 1; border: 24px solid rgba(143,183,239,.18); border-radius: 50%; }
.doc-visual__meta { position: relative; z-index: 1; margin-top: 16px; color: var(--blue-300); font-size: 9px; font-weight: 700; letter-spacing: .15em; }
.download-list { display: flex; flex-direction: column; gap: 14px; }
.download-card { display: grid; grid-template-columns: 150px minmax(0, 1fr) 190px; gap: 24px; padding: 24px; border: 1px solid var(--line); background: var(--paper); align-items: start; }
.download-card__top { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; }
.pdf-chip--large { width: 62px; height: 46px; font-size: 11px; background: var(--blue-50); color: var(--blue-700); border: 1px solid var(--blue-100); }
.lang-badge, .priority-badge { display: inline-flex; padding: 3px 7px; font-size: 9.5px; font-weight: 700; letter-spacing: .06em; }
.lang-badge--en { background: var(--navy-800); color: #fff; }
.lang-badge--de { background: var(--ice-2); color: var(--ink-2); }
.priority-badge { border: 1px solid var(--line); color: var(--muted); }
.download-card__body h2 { font-size: 22px; line-height: 1.3; }
.download-card__body > p { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.download-card__meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 13px; color: var(--muted-light); font-size: 10.5px; letter-spacing: .02em; }
.download-card__note { color: var(--blue-700) !important; font-size: 11.5px !important; }
.download-card__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.download-card__actions .btn { width: 100%; }
.download-card__source { grid-column: 2 / 4; color: var(--muted-light); font-size: 9.5px; overflow-wrap: anywhere; }
.download-card__source a { color: var(--muted); }
.lang-legend { display: flex; gap: 24px; margin-top: 24px; color: var(--muted); font-size: 12px; }
.lang-legend b { display: block; color: var(--ink); font-size: 24px; line-height: 1.2; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 28px; }
.steps li { display: flex; gap: 18px; padding: 24px; background: var(--paper); }
.steps > li > span { color: var(--blue-600); font-size: 10px; font-weight: 700; letter-spacing: .08em; padding-top: 3px; }
.steps h3 { font-size: 19px; }
.steps p { margin-top: 8px; color: var(--muted); font-size: 12.5px; line-height: 1.75; }
.steps .text-link { margin-top: 14px; font-size: 12px; }

/* ── knowledge ───────────────────────────────────────── */
.knowledge-list { border-top: 1px solid var(--ink); }
.knowledge-row { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 30px; padding: 24px 0; border-bottom: 1px solid var(--line); align-items: center; }
.knowledge-row--feature .knowledge-row__media { grid-column: 1 / 2; }
.knowledge-row__media { display: block; aspect-ratio: 3 / 2; overflow: hidden; background: var(--ice); }
.knowledge-row__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.knowledge-row:hover .knowledge-row__media img { transform: scale(1.04); }
.knowledge-row__body h2 { margin-top: 7px; font-size: clamp(22px, 2.2vw, 30px); }
.knowledge-row__body h2 a { color: var(--ink); }
.knowledge-row__body p { margin-top: 8px; color: var(--muted); font-size: 13px; line-height: 1.7; max-width: 72ch; }
.knowledge-row__body .text-link { margin-top: 13px; font-size: 12px; }
.faq-promo { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-top: 44px; padding: 32px; background: var(--navy-900); color: #fff; }
.faq-promo h2 { color: #fff; font-size: 30px; }
.faq-promo p:not(.eyebrow) { margin-top: 8px; color: var(--white-64); font-size: 13px; }
.faq-promo .btn { flex: 0 0 auto; }

/* ── article ─────────────────────────────────────────── */
.article-hero { padding: 42px 0 48px; background: var(--ice); border-bottom: 1px solid var(--line); }
.article-hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.article-hero h1 { max-width: 18ch; font-size: clamp(36px, 4.2vw, 56px); }
.article-hero__summary { margin-top: 18px; max-width: 62ch; color: var(--muted); font-size: 15px; line-height: 1.85; }
.article-hero__meta { margin-top: 20px; color: var(--muted-light); font-size: 10.5px; letter-spacing: .03em; }
.article-hero__figure { border: 1px solid var(--line); background: var(--paper); overflow: hidden; }
.article-hero__figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.article-hero__figure figcaption { padding: 9px 12px; color: var(--muted-light); font-size: 10.5px; border-top: 1px solid var(--line); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: clamp(30px, 5vw, 64px); align-items: start; padding-top: 48px; padding-bottom: 72px; }
.article-body { min-width: 0; max-width: 800px; }
.article-body section { margin-bottom: 38px; }
.article-body h2 { font-size: clamp(24px, 2.4vw, 31px); margin-bottom: 14px; }
.article-body p { color: var(--ink-2); font-size: 16.5px; line-height: 1.9; margin-top: 14px; }
.article-body p a { text-decoration: underline; text-underline-offset: 3px; }
.article-sources { margin-top: 44px; padding-top: 30px; border-top: 1px solid var(--line); }
.article-sources h2 { font-size: 24px; }
.article-sources > p { color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 14px; }
.source-list--article { margin-top: 16px; }
.source-list--article a { align-items: center; gap: 14px; padding: 13px 0; }
.source-list--article a span { flex: 0 0 92px; color: var(--blue-600); font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.source-list--article a strong { font-size: 12px; font-weight: 600; }
.source-list--article a i { margin-left: auto; font-style: normal; color: var(--muted-light); }
.article-cta { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 42px; padding: 26px 28px; background: var(--ice); border-left: 3px solid var(--blue-500); }
.article-cta h2 { font-size: 24px; }
.article-cta p:not(.eyebrow) { color: var(--muted); font-size: 12.5px; line-height: 1.7; margin-top: 6px; }
.article-cta .btn { flex: 0 0 auto; }

/* ── FAQ ─────────────────────────────────────────────── */
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: clamp(30px, 5vw, 64px); align-items: start; }
.faq-list { border-top: 1px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; align-items: center; gap: 16px; padding: 18px 0; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary > span { flex: 0 0 24px; color: var(--blue-600); font-size: 9.5px; font-weight: 700; letter-spacing: .07em; }
.faq-item summary strong { font-size: 15px; line-height: 1.55; font-weight: 600; }
.faq-item summary i { position: relative; flex: 0 0 16px; height: 16px; margin-left: auto; }
.faq-item summary i::before, .faq-item summary i::after { content: ""; position: absolute; background: var(--blue-600); transition: transform .2s; }
.faq-item summary i::before { left: 0; right: 0; top: 7px; height: 1px; }
.faq-item summary i::after { top: 0; bottom: 0; left: 7px; width: 1px; }
.faq-item[open] summary i::after { transform: scaleY(0); }
.faq-item__body { padding: 0 36px 20px 40px; }
.faq-item__body p { color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 78ch; }
.faq-aside { position: sticky; }

/* ── contact ─────────────────────────────────────────── */
.contact-hero { padding: 48px 0 56px; background: var(--ice); border-bottom: 1px solid var(--line); }
.contact-hero__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .75fr); gap: clamp(32px, 6vw, 90px); align-items: start; }
.contact-hero h1 { font-size: clamp(42px, 5.2vw, 66px); }
.contact-hero__lead { margin-top: 20px; max-width: 60ch; color: var(--muted); font-size: 16px; line-height: 1.85; }
.contact-quick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 30px; border: 1px solid var(--line); background: var(--line); }
.contact-quick a { display: flex; flex-direction: column; gap: 5px; padding: 14px 16px; background: var(--paper); color: var(--ink); }
.contact-quick a:hover { background: var(--blue-50); color: var(--ink); }
.contact-quick span { color: var(--muted-light); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.contact-quick strong { font-size: 14px; font-weight: 600; }
.contact-card { padding: 26px 24px; background: var(--navy-900); color: #fff; }
.contact-card h2 { color: #fff; font-size: 23px; }
.contact-card dl { margin-top: 20px; display: flex; flex-direction: column; }
.contact-card dl > div { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-top: 1px solid var(--white-16); }
.contact-card dt { color: var(--white-64); font-size: 10.5px; }
.contact-card dd { color: var(--white-80); font-size: 12.5px; line-height: 1.6; }
.contact-card dd a { color: #fff; }
.contact-card__fine { margin-top: 14px; color: rgba(255,255,255,.45); font-size: 10px; line-height: 1.6; }
.contact-layout { max-width: 980px; }
.prep-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.prep-list li { display: flex; gap: 18px; padding: 20px; background: var(--paper); }
.prep-list > li > span { color: var(--blue-600); font-size: 10px; font-weight: 700; letter-spacing: .08em; padding-top: 3px; }
.prep-list h3 { font-size: 18px; }
.prep-list p { margin-top: 5px; color: var(--muted); font-size: 12.5px; line-height: 1.7; }
.contact-secondary { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 36px; padding-top: 26px; border-top: 1px solid var(--line); }
.contact-secondary p { color: var(--muted); font-size: 12.5px; line-height: 1.8; }
.contact-secondary p strong { color: var(--ink); }
.contact-secondary a { text-decoration: underline; text-underline-offset: 3px; }

/* ── forms ───────────────────────────────────────────── */
.inquiry-form-wrap { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(30px, 6vw, 80px); align-items: start; padding: clamp(28px, 4vw, 42px); background: var(--ice); border: 1px solid var(--line); }
.inquiry-form-wrap__head h2 { font-size: clamp(28px, 3vw, 38px); }
.inquiry-form-wrap__head > p:not(.eyebrow) { margin-top: 14px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.req { color: var(--blue-600); }
.inquiry-form { display: flex; flex-direction: column; gap: 12px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > span { color: var(--ink-2); font-size: 11.5px; font-weight: 600; }
.field > span em { color: var(--muted-light); font-weight: 400; font-style: normal; }
.field input, .field textarea {
  width: 100%; border: 1px solid var(--line-strong); background: var(--paper); color: var(--ink);
  border-radius: 0; padding: 11px 12px; font-size: 13.5px; line-height: 1.5;
}
.field input { height: 46px; }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--blue-500); outline: none; box-shadow: 0 0 0 3px var(--blue-100); }
.check { display: flex; align-items: flex-start; gap: 9px; color: var(--muted); font-size: 11px; line-height: 1.65; }
.check input { margin-top: 3px; flex: 0 0 auto; }
.check a { text-decoration: underline; text-underline-offset: 2px; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 4px; }
.form-note { color: var(--muted-light); font-size: 10.5px; line-height: 1.6; }
.form-status { min-height: 1.5em; font-size: 12px; line-height: 1.6; color: var(--muted); }
.form-status.is-error { color: var(--danger); }
.form-status.is-success { color: var(--success); }
.form-noscript { margin-top: 14px; color: var(--muted); font-size: 12px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ── search ──────────────────────────────────────────── */
.search-hero { padding: 54px 0 42px; background: var(--ice); border-bottom: 1px solid var(--line); }
.search-hero h1 { font-size: clamp(40px, 5vw, 62px); }
.search-page-form { position: relative; display: flex; gap: 10px; max-width: 820px; margin-top: 26px; }
.search-page-form svg { position: absolute; left: 16px; top: 50%; width: 21px; height: 21px; transform: translateY(-50%); fill: none; stroke: var(--muted); stroke-width: 1.6; }
.search-page-form input { flex: 1; min-width: 0; height: 54px; padding: 0 16px 0 48px; border: 1px solid var(--line-strong); background: var(--paper); font-size: 15px; border-radius: 0; }
.search-page-form input:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px var(--blue-100); }
.search-hero__hint { margin-top: 12px; color: var(--muted-light); font-size: 11px; }
.search-layout { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: clamp(30px, 5vw, 64px); align-items: start; }
.search-status { padding-bottom: 12px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11.5px; }
.search-status strong { color: var(--ink); }
.search-results { display: flex; flex-direction: column; }
.search-result { display: grid; grid-template-columns: 54px minmax(0, 1fr) 18px; gap: 16px; align-items: start; padding: 17px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.search-result:hover { color: var(--blue-700); }
.search-result__type { padding-top: 3px; color: var(--blue-600); font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.search-result h2 { font-size: 18px; line-height: 1.35; }
.search-result p { margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.search-result__arrow { color: var(--blue-600); }
.search-empty { padding: 30px 0; }
.search-empty p { color: var(--muted); font-size: 13px; margin-bottom: 14px; }

/* ── legal ───────────────────────────────────────────── */
.legal-hero { padding: 48px 0 40px; background: var(--ice); border-bottom: 1px solid var(--line); }
.legal-hero h1 { font-size: clamp(38px, 4.4vw, 56px); }
.legal-hero__meta { margin-top: 12px; color: var(--muted-light); font-size: 11px; }
.legal-layout { display: grid; grid-template-columns: minmax(0, 1fr) 296px; gap: clamp(30px, 5vw, 64px); align-items: start; }
.legal-body { max-width: 800px; }
.legal-body section { margin-bottom: 34px; }
.legal-body h2 { font-size: 24px; margin-bottom: 12px; }
.legal-body p, .legal-body li { color: var(--ink-2); font-size: 16px; line-height: 1.9; }
.legal-body p + p { margin-top: 10px; }
.legal-body ul { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.legal-body li { position: relative; padding-left: 16px; }
.legal-body li::before { content: ""; position: absolute; left: 0; top: .8em; width: 4px; height: 1px; background: var(--blue-500); }
.legal-body a { text-decoration: underline; text-underline-offset: 3px; }
.legal-contact { margin-top: 38px; padding: 22px 24px; background: var(--ice); border-left: 3px solid var(--blue-500); }
.legal-contact p { margin-top: 5px; font-size: 12.5px; }
.legal-aside { position: sticky; }

/* ── 404 ─────────────────────────────────────────────── */
.notfound { padding: clamp(70px, 11vw, 150px) 0; background: var(--ice); }
.notfound__inner { display: grid; grid-template-columns: .55fr 1fr; gap: clamp(30px, 7vw, 100px); align-items: center; }
.notfound__code { color: var(--blue-100); font-size: clamp(120px, 20vw, 260px); font-weight: 700; line-height: .8; letter-spacing: -.07em; }
.notfound__copy h1 { font-size: clamp(36px, 4.5vw, 56px); }
.notfound__copy > p:not(.eyebrow) { margin-top: 16px; color: var(--muted); font-size: 15px; line-height: 1.8; max-width: 50ch; }
.notfound__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.notfound__links { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
.notfound__links a { font-size: 12px; font-weight: 600; }

/* ── about ───────────────────────────────────────────── */
.about-hero { padding: 54px 0 58px; background: var(--ice); border-bottom: 1px solid var(--line); }
.about-hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .85fr); gap: clamp(32px, 6vw, 84px); align-items: center; }
.about-hero h1 { font-size: clamp(38px, 4.6vw, 58px); max-width: 17ch; }
.about-hero__lead { margin-top: 20px; max-width: 62ch; color: var(--muted); font-size: 16px; line-height: 1.85; }
.about-hero__meta { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 26px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted-light); font-size: 11px; }
.about-hero__meta b { display: block; color: var(--ink); font-size: 17px; line-height: 1.4; letter-spacing: -.01em; }
.about-hero__figure { border: 1px solid var(--line); background: var(--paper); overflow: hidden; }
.about-hero__figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.about-hero__figure figcaption { padding: 9px 12px; color: var(--muted-light); font-size: 10.5px; border-top: 1px solid var(--line); }
.fact-strip { background: var(--navy-900); color: #fff; }
.fact-strip__grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; }
.fact { padding: 24px 18px; border-right: 1px solid var(--white-16); }
.fact:last-child { border-right: 0; }
.fact span { display: block; color: #fff; font-size: clamp(20px, 2.2vw, 30px); font-weight: 700; line-height: 1.15; letter-spacing: -.025em; }
.fact p { margin-top: 5px; color: var(--white-64); font-size: 10px; line-height: 1.5; }
.about-story { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(30px, 6vw, 90px); align-items: start; }
.about-story__lead h2 { max-width: 12ch; font-size: clamp(30px, 3.4vw, 44px); }
.about-story__body { max-width: 720px; }
.about-story__body p { color: var(--ink-2); font-size: 16px; line-height: 1.9; }
.about-story__body p + p { margin-top: 14px; }
.timeline { border-top: 1px solid var(--ink); }
.timeline__item { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 26px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.timeline__year { color: var(--blue-700); font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.timeline__body p { color: var(--muted); font-size: 13.5px; line-height: 1.8; max-width: 80ch; }
.about-manufacturing { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.about-manufacturing__figure { border: 1px solid var(--line); overflow: hidden; background: var(--ice); }
.about-manufacturing__figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.about-manufacturing__figure figcaption { padding: 9px 12px; color: var(--muted-light); font-size: 10.5px; border-top: 1px solid var(--line); }
.about-manufacturing__copy h2 { max-width: 15ch; }
.about-manufacturing__copy > p:not(.eyebrow) { margin-top: 16px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.about-links { display: flex; flex-wrap: wrap; gap: 14px 24px; margin-top: 22px; }
.operator-grid { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(30px, 6vw, 90px); align-items: start; }
.operator-grid h2 { max-width: 12ch; color: #fff; font-size: clamp(30px, 3.4vw, 44px); }
.operator-grid__body { max-width: 760px; }
.operator-grid__body p { color: var(--white-80); font-size: 16px; line-height: 1.9; }
.operator-grid__body p + p { margin-top: 13px; }
.operator-grid__body strong { color: #fff; }
.operator-grid .about-links { margin-top: 24px; }

/* ── responsive ──────────────────────────────────────── */
@media (max-width: 1120px) {
  :root { --header-h: 72px; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 10px var(--gutter) 18px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 22px 36px rgba(9, 30, 55, .12); }
  .nav.is-open { display: flex; }
  .nav__link { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
  .nav__link::after { display: none; }
  .header__actions { margin-left: auto; }
  .header__cta { display: none; }
  .menu-btn { display: block; }
  .hero__inner { grid-template-columns: minmax(0, 1fr) 260px; }
  .bento { grid-auto-rows: 225px; }
  .cat-tile { grid-column: span 3; }
  .cat-tile--lead { grid-column: span 6; }
  .cat-tile--wide { grid-column: span 6; }
  .proof__inner { grid-template-columns: 1fr; gap: 44px; }
  .proof__copy { max-width: 720px; }
  .proof__copy h2 { max-width: 18ch; }
  .proof__facts { max-width: 820px; }
  .app-grid, .app-grid--index { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-hero__grid, .category-hero__grid, .app-hero__grid, .article-hero__grid, .contact-hero__grid, .series-hero__grid, .about-hero__grid { grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr); }
  .product-hero__grid { gap: 42px; }
}

@media (max-width: 960px) {
  .hero { min-height: auto; padding-top: 78px; }
  .hero__inner { grid-template-columns: 1fr; align-items: start; }
  .hero__card { display: none; }
  .hero__rings { width: 75vw; right: -20%; top: 5%; opacity: .22; }
  .hero__stats { max-width: none; }
  .system-grid { grid-template-columns: 1fr; }
  .system-card { grid-template-columns: 38% minmax(0, 1fr); grid-template-rows: none; min-height: 230px; }
  .system-card__media { min-height: 230px; }
  .category-layout, .product-body, .app-layout, .article-layout, .faq-layout, .search-layout, .legal-layout { grid-template-columns: 1fr; }
  .category-aside, .product-aside, .article-aside, .app-aside, .legal-aside, .faq-aside, .search-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .aside-card--contact { grid-column: span 2; }
  .article-aside .aside-card--toc { grid-column: span 2; }
  .product-grid, .product-grid--related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-hero__grid { grid-template-columns: 1fr; }
  .product-media { max-width: 700px; }
  .download-strip__inner, .prefooter__inner { grid-template-columns: 1fr; }
  .prefooter__actions { margin-top: 4px; }
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__brand { grid-column: span 3; }
  .footer__contact { grid-column: span 3; }
  .footer__contact a:first-of-type { font-size: 16px; }
  .page-hero__grid, .category-hero__grid, .app-hero__grid, .article-hero__grid, .contact-hero__grid, .series-hero__grid, .about-hero__grid { grid-template-columns: 1fr; }
  .page-hero__figure, .category-hero__figure, .app-hero__figure, .article-hero__figure, .contact-card, .series-hero__figure, .about-hero__figure { max-width: 680px; }
  .download-card { grid-template-columns: 120px minmax(0, 1fr); }
  .download-card__actions { grid-column: 2; flex-direction: row; align-items: center; flex-wrap: wrap; }
  .download-card__actions .btn { width: auto; }
  .download-card__source { grid-column: 2; }
  .knowledge-row { grid-template-columns: 200px minmax(0, 1fr); }
  .notfound__inner { grid-template-columns: 1fr; gap: 20px; }
  .notfound__code { font-size: 120px; }
  .timeline__item { grid-template-columns: 110px minmax(0, 1fr); }
  .fact-strip__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .fact:nth-child(3n) { border-right: 0; }
  .fact:nth-child(-n+3) { border-bottom: 1px solid var(--white-16); }
  .about-story, .about-manufacturing, .operator-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 66px; --gutter: 20px; }
  body { font-size: 16px; }
  .topbar__tag { font-size: 10px; }
  .topbar__links { display: none; }
  .logo img { height: 40px; }
  .logo__cn { display: none; }
  .header__inner { gap: 10px; }
  .icon-btn { width: 36px; height: 36px; }
  .menu-btn { width: 40px; height: 40px; }
  .section-head, .section-head--compact { grid-template-columns: 1fr; gap: 14px; align-items: start; }
  .section-head h2, .section-head--compact h2 { max-width: none; }
  .section-head__aside { max-width: 62ch; }
  .section-head__aside p { margin-bottom: 10px; }
  .hero h1 { font-size: clamp(44px, 10.8vw, 62px); }
  .hero__lead { font-size: 15px; }
  .hero__stats { gap: 12px; }
  .hero__stats dd { font-size: 24px; }
  .hero__note { flex-direction: column; gap: 6px; }
  .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: 200px; }
  .cat-tile, .cat-tile--lead, .cat-tile--wide { grid-column: span 1; grid-row: span 1; }
  .cat-tile--lead { grid-column: span 2; grid-row: span 2; }
  .cat-tile--wide { grid-column: span 2; }
  .cat-tile__body, .cat-tile--lead .cat-tile__body { padding: 18px; }
  .cat-tile--lead strong { font-size: 30px; }
  .app-grid, .app-grid--index, .app-grid--small { grid-template-columns: 1fr 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .proof__facts { grid-template-columns: 1fr; }
  .proof__facts article { min-height: auto; }
  .download-strip__inner { gap: 34px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
  .footer__contact { grid-column: span 2; }
  .footer__bottom { flex-direction: column; }
  .footer__source { max-width: none; }
  .download-card { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
  .download-card__top { flex-direction: row; align-items: center; flex-wrap: wrap; }
  .download-card__actions, .download-card__source { grid-column: 1; }
  .steps { grid-template-columns: 1fr; }
  .knowledge-row { grid-template-columns: 1fr; gap: 18px; }
  .knowledge-row__media { aspect-ratio: 16 / 9; }
  .faq-promo { flex-direction: column; align-items: flex-start; }
  .legal-aside, .faq-aside { position: static; }
  .article-cta { flex-direction: column; align-items: flex-start; }
  .contact-quick { grid-template-columns: 1fr; }
  .contact-secondary { grid-template-columns: 1fr; }
  .inquiry-form-wrap { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .category-aside, .product-aside, .article-aside, .app-aside, .legal-aside, .faq-aside, .search-aside { grid-template-columns: 1fr; }
  .aside-card--contact, .article-aside .aside-card--toc { grid-column: auto; }
  .product-grid--related { grid-template-columns: 1fr 1fr; }
  .category-row { grid-template-columns: 34px minmax(0, 1fr) 24px; gap: 12px; }
  .category-row__short, .category-row__count { display: none; }
  .category-row__name strong { font-size: 18px; }
  .key-specs { grid-template-columns: 1fr; border-bottom: 0; }
  .key-specs > div { border-right: 0; border-bottom: 1px solid var(--line); padding: 10px 0; }
  .feature-list { grid-template-columns: 1fr; }
  .source-cards { grid-template-columns: 1fr; }
  .search-result { grid-template-columns: 44px minmax(0, 1fr) 16px; gap: 12px; }
  .search-page-form { flex-wrap: wrap; }
  .search-page-form input { flex-basis: 100%; }
  .search-page-form .btn { width: 100%; }
  .mobile-inquiry {
    display: flex; align-items: center; justify-content: center;
    position: fixed; right: 16px; bottom: 16px; z-index: 70;
    width: 54px; height: 54px; border-radius: 50%;
    background: var(--blue-700); color: #fff; font-size: 12px; font-weight: 700;
    box-shadow: 0 10px 26px rgba(9, 30, 55, .28);
    opacity: 0; transform: translateY(12px); pointer-events: none;
    transition: opacity .2s var(--ease), transform .2s var(--ease);
  }
  .mobile-inquiry.is-visible { opacity: 1; transform: none; pointer-events: auto; }
  .mobile-inquiry:hover { color: #fff; background: var(--blue-500); }
  .article-layout { padding-top: 34px; padding-bottom: 54px; }
  .article-body p { font-size: 15px; }
  .fact-strip__grid { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3n) { border-right: 1px solid var(--white-16); }
  .fact:nth-child(2n) { border-right: 0; }
  .fact:nth-child(-n+4) { border-bottom: 1px solid var(--white-16); }
  .fact:nth-child(5) { border-bottom: 0; }
}

@media (max-width: 560px) {
  .section { padding: 58px 0; }
  .section--tight { padding-top: 34px; padding-bottom: 54px; }
  .hero { padding-top: 56px; }
  .hero h1 { font-size: clamp(38px, 11.5vw, 52px); }
  .hero__actions .btn { width: 100%; }
  .hero__stats { grid-template-columns: 1fr; gap: 0; margin-top: 30px; }
  .hero__stats > div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--white-16); }
  .hero__stats > div:last-child { border-bottom: 0; }
  .hero__stats dt { order: 1; margin-top: 0; }
  .hero__stats dd { order: 2; font-size: 24px; }
  .hero__note-links { flex-wrap: wrap; }
  .bento { grid-auto-rows: 180px; }
  .cat-tile--lead { grid-row: span 1; grid-column: span 2; }
  .cat-tile--wide { grid-column: span 2; }
  .cat-tile--lead .cat-tile__short { display: none; }
  .cat-tile__short { display: none; }
  .cat-tile__body { padding: 14px; }
  .cat-tile strong, .cat-tile--lead strong { font-size: 22px; }
  .cat-tile__count { font-size: 10px; margin-top: 4px; }
  .system-card { grid-template-columns: 1fr; grid-template-rows: none; min-height: 0; }
  .system-card__media { min-height: 0; aspect-ratio: 16 / 9; }
  .system-card__body { padding: 20px; }
  .app-grid, .app-grid--index, .app-grid--small { grid-template-columns: 1fr; }
  .app-card__media { aspect-ratio: 16 / 9; }
  .download-strip__counts { gap: 18px; }
  .product-grid, .product-grid--related { grid-template-columns: 1fr; }
  .filter-bar { padding: 18px 16px; }
  .filter-group { gap: 5px; }
  .filter-label { flex-basis: 100%; margin-bottom: 2px; }
  .chip { padding: 6px 9px; font-size: 11px; }
  .page-hero { padding: 34px 0 40px; }
  .page-hero h1 { font-size: clamp(34px, 9vw, 46px); }
  .h1-count { min-width: 34px; height: 34px; font-size: 11px; margin-top: 4px; }
  .page-hero__lead { font-size: 14.5px; }
  .page-hero__figure, .category-hero__figure, .app-hero__figure, .article-hero__figure, .series-hero__figure, .about-hero__figure { max-width: none; }
  .product-copy h1 { font-size: clamp(34px, 9.5vw, 46px); }
  .product-copy__tagline { font-size: 15px; }
  .product-copy__desc { font-size: 14px; }
  .spec-table th, .spec-table td { display: block; width: 100%; padding: 10px 0 4px; border-bottom: 0; }
  .spec-table td { padding-top: 0; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
  .product-section { margin-top: 38px; padding-top: 28px; }
  .download-card__actions { flex-direction: column; align-items: stretch; }
  .download-card__actions .btn { width: 100%; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand, .footer__contact { grid-column: auto; }
  .footer { padding-top: 48px; }
  .footer__bottom { margin-top: 32px; }
  .prefooter__actions .btn { width: 100%; }
  .contact-hero { padding: 34px 0 42px; }
  .contact-hero h1 { font-size: clamp(36px, 10vw, 46px); }
  .notfound__code { font-size: 96px; }
  .timeline__item { grid-template-columns: 1fr; gap: 5px; }
  .lang-legend { gap: 16px; }
  .fact-strip__grid { grid-template-columns: 1fr 1fr; }
  .fact { padding: 18px 12px; }
  .fact span { font-size: 20px; }
  .about-hero h1 { font-size: clamp(32px, 9vw, 42px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}