:root {
  --navy-950: #06182b;
  --navy-900: #0a223d;
  --navy-800: #0b3158;
  --blue-500: #2f6bff;
  --cyan-300: #83d9ef;
  --ink: #122033;
  --muted: #5f6f82;
  --line: #dbe3eb;
  --surface: #f4f7fa;
  --white: #ffffff;
  --success: #25d366;
  --shell: min(1240px, calc(100vw - 64px));
  --font: Inter, "SF Pro Display", "SF Pro Text", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #70b7ff; outline-offset: 3px; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 14px; color: #fff; background: var(--navy-950); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(219, 227, 235, .8);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}
.header-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; min-height: 76px; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 132px; height: auto; }
.brand-note { padding-left: 12px; border-left: 1px solid var(--line); color: var(--muted); font: 600 9px/1.35 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.desktop-nav { display: flex; justify-content: center; gap: 26px; }
.desktop-nav a { color: #34465a; font-size: 14px; font-weight: 650; text-decoration: none; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { color: var(--blue-500); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.language-menu { position: relative; }
.language-menu summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 11px;
  border: 1px solid var(--line);
  color: var(--navy-900);
  background: #fff;
  font-size: 12px;
  font-weight: 750;
  list-style: none;
  cursor: pointer;
  white-space: nowrap;
}
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu summary::after { color: var(--muted); content: "▾"; font-size: 9px; }
.language-code { color: var(--muted); font: 700 9px/1 var(--mono); letter-spacing: .05em; }
.language-options {
  position: absolute;
  z-index: 120;
  top: calc(100% + 8px);
  right: 0;
  width: 218px;
  padding: 6px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 18px 42px rgba(6, 24, 43, .16);
}
.language-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 44px;
  padding: 8px 10px;
  color: var(--navy-900);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}
.language-option:hover, .language-option.is-active { color: var(--blue-500); background: var(--surface); }
.language-option span:last-child { color: var(--muted); font: 700 9px/1 var(--mono); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--blue-500); }
.button-secondary { color: var(--navy-900); border-color: rgba(11, 49, 88, .25); background: #fff; }
.button-whatsapp { color: var(--navy-950); background: var(--success); }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 1px solid var(--line); background: #fff; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--navy-950); content: ""; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-6px) rotate(-45deg); }
.mobile-menu { position: fixed; z-index: 90; inset: 76px 0 0; padding: 26px 24px 40px; background: #fff; overflow: auto; }
.mobile-menu[hidden] { display: none; }
.mobile-menu nav { display: grid; gap: 4px; }
.mobile-menu nav a { padding: 14px 2px; border-bottom: 1px solid var(--line); color: var(--navy-900); font-size: 18px; font-weight: 700; text-decoration: none; }
.mobile-menu .mobile-actions { display: grid; gap: 12px; margin-top: 24px; }
.mobile-language-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; margin-top: 24px; }
.mobile-language-list .language-option { border: 1px solid var(--line); }

.hero { position: relative; min-height: 720px; overflow: hidden; color: #fff; background: var(--navy-950); isolation: isolate; }
.hero::after { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(4, 18, 34, .96) 0%, rgba(4, 18, 34, .86) 39%, rgba(4, 18, 34, .35) 72%, rgba(4, 18, 34, .12) 100%); content: ""; }
.hero-scenes { position: absolute; z-index: -2; inset: 0; }
.hero-scene { position: absolute; inset: 0; opacity: 0; transition: opacity .46s ease; }
.hero-scene.is-active { opacity: 1; }
.hero-scene img { width: 100%; height: 100%; object-fit: cover; }
.hero-inner { display: grid; align-content: center; min-height: 720px; padding-block: 72px 54px; }
.hero-copy { width: min(670px, 62vw); }
.eyebrow { margin: 0 0 18px; color: var(--cyan-300); font: 700 11px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 24px; color: inherit; font-size: clamp(48px, 5.6vw, 78px); line-height: .98; letter-spacing: -.045em; }
.hero-lead { max-width: 650px; margin-bottom: 26px; color: rgba(255,255,255,.8); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .button-primary { color: var(--navy-950); background: #fff; }
.hero .button-secondary { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(5, 28, 50, .32); }
.scene-copy { display: grid; max-width: 650px; min-height: 108px; margin-top: 32px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.24); }
.scene-panel { grid-area: 1 / 1; opacity: 0; pointer-events: none; transform: translateY(4px); transition: opacity .24s ease, transform .24s ease; }
.scene-panel.is-active { opacity: 1; pointer-events: auto; transform: none; }
.scene-title { margin-bottom: 5px; color: #fff; font-size: 18px; font-weight: 750; }
.scene-description { max-width: 600px; margin: 0; color: rgba(255,255,255,.68); font-size: 14px; }
.scene-classification { display: inline-block; margin-top: 8px; color: rgba(255,255,255,.55); font: 600 9px/1.4 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.scene-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; max-width: 670px; margin-top: 24px; }
.scene-tabs button { min-height: 42px; padding: 8px 10px; border: 1px solid rgba(255,255,255,.28); border-radius: 0; color: rgba(255,255,255,.7); background: rgba(6,26,47,.38); font: 650 10px/1.25 var(--mono); text-align: left; cursor: pointer; }
.scene-tabs button[aria-selected="true"] { color: var(--navy-950); border-color: #fff; background: #fff; }

.section { padding-block: 92px; }
.section-muted { background: var(--surface); }
.section-dark { color: #fff; background: var(--navy-950); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 42px; }
.section-head > div { max-width: 760px; }
.kicker { margin-bottom: 12px; color: var(--blue-500); font: 700 11px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
h2 { margin-bottom: 16px; color: var(--navy-950); font-size: clamp(34px, 4vw, 52px); line-height: 1.06; letter-spacing: -.035em; }
.section-head p, .lead { margin-bottom: 0; color: var(--muted); font-size: 18px; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .lead { color: rgba(255,255,255,.7); }

.series-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.series-card { position: relative; min-width: 0; min-height: 320px; padding: 26px 22px 24px; border: 1px solid var(--line); background: #fff; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; overflow: hidden; }
.series-card::before { position: absolute; inset: 0 0 auto; height: 5px; background: var(--accent); content: ""; }
.series-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 20px 45px rgba(6, 24, 43, .1); }
.series-number { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; margin-bottom: 46px; border: 1px solid color-mix(in srgb, var(--accent), #fff 36%); color: var(--accent); font: 700 12px/1 var(--mono); }
.series-card h3 { margin-bottom: 12px; color: var(--navy-950); font-size: 20px; line-height: 1.24; overflow-wrap: anywhere; }
.series-card p { margin-bottom: 20px; color: var(--muted); font-size: 14px; overflow-wrap: anywhere; }
.text-link { color: var(--navy-800); font-size: 13px; font-weight: 750; overflow-wrap: anywhere; }

.problem-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.problem-card { padding: 28px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.problem-card span { color: var(--blue-500); font: 700 10px/1 var(--mono); }
.problem-card h3 { margin: 42px 0 12px; font-size: 19px; }
.problem-card p { color: var(--muted); font-size: 14px; }

.industry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.industry-card { min-width: 0; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.045); overflow: hidden; }
.industry-card-image { aspect-ratio: 16 / 9; overflow: hidden; }
.industry-card-image img { height: 100%; object-fit: cover; transition: transform .35s ease; }
.industry-card:hover img { transform: scale(1.025); }
.industry-card-body { padding: 24px; }
.visual-label { display: inline-block; margin-bottom: 10px; color: var(--cyan-300); font: 650 9px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.industry-card h3 { margin-bottom: 10px; color: #fff; font-size: 22px; }
.industry-card p { margin-bottom: 18px; color: rgba(255,255,255,.67); font-size: 14px; }
.industry-card a { color: #fff; font-size: 13px; font-weight: 750; }

.process-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.process-step { min-height: 200px; padding: 28px 20px; background: #fff; }
.process-step span { display: block; margin-bottom: 58px; color: var(--blue-500); font: 700 11px/1 var(--mono); }
.process-step h3 { margin-bottom: 8px; font-size: 18px; }
.process-step p { color: var(--muted); font-size: 13px; }
.status-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 34px 38px; border: 1px solid #b9c8d6; background: #edf3f7; }
.status-panel h2 { margin-bottom: 8px; font-size: 28px; }
.status-panel p { max-width: 840px; margin-bottom: 0; color: var(--muted); }
.status-chip { padding: 9px 12px; border: 1px solid #8da3b5; color: var(--navy-800); font: 700 10px/1 var(--mono); white-space: nowrap; }

.cta-section { padding-block: 76px; color: #fff; background: var(--navy-800); }
.cta-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 48px; }
.cta-grid h2 { color: #fff; }
.cta-grid p { max-width: 760px; margin-bottom: 0; color: rgba(255,255,255,.72); font-size: 18px; }
.cta-note { margin-top: 14px !important; color: rgba(255,255,255,.48) !important; font-size: 12px !important; }

.page-hero { position: relative; min-height: 520px; display: grid; align-items: end; color: #fff; background: var(--navy-950); isolation: isolate; overflow: hidden; }
.page-hero::after { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(4,18,34,.96), rgba(4,18,34,.72) 55%, rgba(4,18,34,.2)); content: ""; }
.page-hero picture { position: absolute; z-index: -2; inset: 0; }
.page-hero picture img { height: 100%; object-fit: cover; }
.page-hero-inner { min-width: 0; max-width: 100%; padding-block: 90px 64px; }
.page-hero h1 { max-width: 820px; overflow-wrap: anywhere; }
.page-hero .lead { max-width: 760px; color: rgba(255,255,255,.75); overflow-wrap: anywhere; }
.page-hero .eyebrow { overflow-wrap: anywhere; }
.breadcrumb { display: flex; flex-wrap: wrap; min-width: 0; gap: 8px; margin-bottom: 38px; color: rgba(255,255,255,.6); font: 650 10px/1.4 var(--mono); overflow-wrap: anywhere; }
.breadcrumb a { color: inherit; }

.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.content-block { padding-top: 24px; border-top: 2px solid var(--line); }
.content-block h2 { font-size: 30px; }
.clean-list { display: grid; gap: 12px; padding: 0; margin: 24px 0 0; list-style: none; }
.clean-list li { position: relative; padding-left: 22px; color: #3f5062; }
.clean-list li::before { position: absolute; top: .72em; left: 0; width: 7px; height: 2px; background: var(--blue-500); content: ""; }
.related-series { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.series-pill { padding: 9px 11px; border: 1px solid var(--line); color: var(--navy-800); background: #fff; font-size: 12px; font-weight: 700; text-decoration: none; }
.applications-list { display: grid; gap: 22px; }
.application-row { display: grid; grid-template-columns: minmax(240px, .8fr) 1.2fr; border: 1px solid var(--line); background: #fff; overflow: hidden; }
.application-row picture, .application-row img { height: 100%; }
.application-row img { object-fit: cover; }
.application-content { padding: 32px; }
.application-content h2 { font-size: 30px; }
.application-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 22px; }
.application-columns h3 { margin-bottom: 8px; font-size: 15px; }
.application-columns ul { padding-left: 18px; margin: 0; color: var(--muted); font-size: 14px; }

.section-products { background: #eef3f7; }
.product-family {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  align-items: center;
  gap: 48px;
  margin-bottom: 46px;
  padding: 38px;
  border: 1px solid #cbd7e1;
  background: #fff;
}
.product-family.is-compact { margin-bottom: 42px; }
.product-family-visual { min-width: 0; }
.product-family-copy h2 { font-size: clamp(30px, 3vw, 44px); }
.product-family-copy p:last-child { margin-bottom: 0; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.product-card { position: relative; min-width: 0; border: 1px solid var(--line); background: #fff; overflow: hidden; }
.product-card::before { position: absolute; z-index: 2; inset: 0 0 auto; height: 5px; background: var(--accent); content: ""; }
.product-card-image { display: grid; place-items: center; min-height: 240px; padding: 18px; background: linear-gradient(180deg, #f8fafc, #eef3f7); }
.product-card-image picture { width: 100%; }
.product-card-image img { aspect-ratio: 1; object-fit: contain; }
.product-card-body { display: grid; align-content: start; min-height: 310px; padding: 24px 20px; }
.product-model { display: inline-block; margin-bottom: 11px; color: var(--accent, var(--blue-500)); font: 750 12px/1 var(--mono); letter-spacing: .08em; }
.product-card h3 { margin-bottom: 12px; color: var(--navy-950); font-size: 20px; line-height: 1.2; overflow-wrap: anywhere; }
.product-card p { margin-bottom: 22px; color: var(--muted); font-size: 14px; }
.product-card .button { align-self: end; margin-top: auto; }
.status-chip.is-approved { border-color: #39936a; color: #126141; background: #eaf8f1; }

.series-product { display: grid; grid-template-columns: minmax(320px, .9fr) minmax(0, 1.1fr); align-items: center; gap: 58px; padding: 46px; border: 1px solid #ccd8e2; border-top: 5px solid var(--accent); background: #fff; }
.series-product-image img { max-height: 560px; object-fit: contain; }
.series-product h2 { max-width: 720px; }
.series-product p { max-width: 690px; color: var(--muted); font-size: 18px; }

.product-hero { position: relative; overflow: hidden; color: #fff; background: var(--navy-950); isolation: isolate; }
.product-hero::before { position: absolute; z-index: -1; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px), radial-gradient(circle at 82% 48%, color-mix(in srgb, var(--accent), transparent 68%), transparent 42%); background-size: 48px 48px, 48px 48px, auto; content: ""; }
.product-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); align-items: center; gap: 46px; min-height: 690px; padding-block: 72px; }
.product-hero .breadcrumb { margin-bottom: 42px; }
.product-hero h1 { max-width: 780px; font-size: clamp(48px, 5.4vw, 76px); }
.product-hero .product-model { color: color-mix(in srgb, var(--accent), #fff 28%); }
.product-hero-visual { min-width: 0; }
.product-hero-visual img { width: 100%; max-height: 620px; object-fit: contain; filter: drop-shadow(0 34px 40px rgba(0,0,0,.28)); }
.product-intro { display: grid; gap: 50px; }
.product-intro > div:first-child { max-width: 900px; }
.product-summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.product-summary-grid article { padding: 28px; border: 1px solid var(--line); background: #fff; }
.product-summary-grid h3 { min-height: 48px; color: var(--navy-950); font-size: 18px; }
.product-summary-grid ul { padding-left: 18px; margin-bottom: 0; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.feature-card { min-height: 180px; padding: 24px 20px; border: 1px solid #d5dee7; background: #fff; }
.feature-card span { display: block; margin-bottom: 42px; color: var(--blue-500); font: 700 11px/1 var(--mono); }
.feature-card p { margin-bottom: 0; color: var(--navy-900); font-weight: 650; }
.parameter-layout { display: grid; grid-template-columns: minmax(280px, .65fr) minmax(0, 1.35fr); align-items: start; gap: 70px; }
.parameter-layout > div:first-child { position: sticky; top: 110px; }
.parameter-layout > div:first-child p:last-child { color: var(--muted); }
.parameter-table { border-top: 1px solid #aebdca; }
.parameter-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 30px; min-height: 78px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.parameter-row > div { display: grid; gap: 3px; }
.parameter-row span { color: var(--navy-900); font-weight: 700; }
.parameter-row small { color: var(--muted); font: 650 9px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.parameter-row strong { color: var(--navy-950); font: 700 16px/1.35 var(--mono); text-align: end; }
.section-dark .content-block { border-color: rgba(255,255,255,.25); }
.section-dark .content-block h3 { font-size: 28px; }
.section-dark .clean-list li { color: rgba(255,255,255,.72); }
.packaging-layout { display: grid; grid-template-columns: minmax(340px, .9fr) minmax(0, 1.1fr); align-items: center; gap: 64px; }
.packaging-product-image img { max-height: 580px; object-fit: contain; }
.asset-disclosure { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.technical-notice .status-panel { border-left: 5px solid var(--blue-500); }

.site-footer { padding-block: 54px 32px; color: rgba(255,255,255,.67); background: #041321; }
.footer-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 50px; }
.footer-brand { color: #fff; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.footer-grid h2 { margin-bottom: 14px; color: #fff; font-size: 15px; letter-spacing: 0; }
.footer-grid p, .footer-grid a { font-size: 13px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 38px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 11px; }

[dir="rtl"] body { text-align: right; }
[dir="rtl"] .brand-note { padding-right: 12px; padding-left: 0; border-right: 1px solid var(--line); border-left: 0; }
[dir="rtl"] .language-options { right: auto; left: 0; }
[dir="rtl"] .hero::after, [dir="rtl"] .page-hero::after { transform: scaleX(-1); }
[dir="rtl"] .scene-tabs button { text-align: right; }
[dir="rtl"] .clean-list li { padding-right: 22px; padding-left: 0; }
[dir="rtl"] .clean-list li::before { right: 0; left: auto; }
[dir="rtl"] .application-columns ul { padding-right: 18px; padding-left: 0; }
[dir="rtl"] .product-summary-grid ul { padding-right: 18px; padding-left: 0; }
[dir="rtl"] .parameter-row strong { text-align: start; }
[dir="rtl"] .technical-notice .status-panel { border-right: 5px solid var(--blue-500); border-left: 1px solid #b9c8d6; }

@media (max-width: 1100px) {
  :root { --shell: min(100% - 40px, 980px); }
  .header-inner { gap: 18px; }
  .desktop-nav { gap: 14px; }
  .desktop-nav a { font-size: 12px; }
  .brand-note { display: none; }
  .language-menu summary { padding-inline: 9px; }
  .series-grid, .problem-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-grid, .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-family { grid-template-columns: 1fr; }
  .series-card:nth-child(n+4) { min-height: 280px; }
}

@media (max-width: 820px) {
  :root { --shell: min(100% - 32px, 720px); }
  .header-inner { grid-template-columns: 1fr auto; min-height: 68px; }
  .brand img { width: 118px; }
  .desktop-nav, .header-actions { display: none; }
  .menu-toggle { display: block; }
  .mobile-menu { inset-block-start: 68px; }
  .hero, .hero-inner { min-height: 760px; }
  .hero-copy { width: min(650px, 100%); }
  .hero::after { background: linear-gradient(180deg, rgba(4,18,34,.8), rgba(4,18,34,.95) 73%); }
  .section { padding-block: 70px; }
  .section-head { display: block; }
  .series-grid, .problem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .industry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .status-panel, .cta-grid { grid-template-columns: 1fr; }
  .series-product, .product-hero-grid, .packaging-layout, .parameter-layout { grid-template-columns: 1fr; }
  .product-hero-grid { min-height: auto; padding-block: 58px 68px; }
  .product-hero-copy { order: 1; }
  .product-hero-visual { order: 2; }
  .product-hero-visual img { max-height: 500px; }
  .product-summary-grid { grid-template-columns: 1fr; }
  .parameter-layout > div:first-child { position: static; }
  .content-grid { grid-template-columns: 1fr; gap: 38px; }
  .application-row { grid-template-columns: 1fr; }
  .application-row picture { aspect-ratio: 16 / 8; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  :root { --shell: calc(100% - 32px); }
  .hero, .hero-inner { min-height: 795px; }
  .hero-inner { align-content: start; padding-top: 56px; }
  h1 { font-size: clamp(41px, 12vw, 55px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .scene-copy { min-height: 142px; margin-top: 24px; }
  .scene-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene-tabs button { min-height: 44px; }
  .section { padding-block: 58px; }
  .section-head { margin-bottom: 30px; }
  h2 { font-size: 34px; }
  .section-head p, .lead { font-size: 16px; }
  .series-grid, .problem-grid, .industry-grid, .process-grid, .product-grid, .feature-grid { grid-template-columns: 1fr; }
  .product-family, .series-product { padding: 24px 18px; }
  .product-card-body { min-height: auto; }
  .product-hero h1 { font-size: 42px; }
  .product-hero-grid { gap: 18px; padding-block: 46px 54px; }
  .product-hero .breadcrumb { margin-bottom: 30px; }
  .parameter-row { grid-template-columns: 1fr; gap: 8px; }
  .parameter-row strong { text-align: start; }
  .series-card { min-height: 260px; }
  .series-number { margin-bottom: 34px; }
  .problem-card h3 { margin-top: 28px; }
  .process-step { min-height: 168px; }
  .process-step span { margin-bottom: 34px; }
  .status-panel { padding: 28px 22px; }
  .page-hero { min-height: 500px; }
  .page-hero-inner { padding-block: 70px 52px; }
  .page-hero h1 { font-size: 43px; }
  .application-content { padding: 25px 20px; }
  .application-columns { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { display: grid; }
}

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