:root {
  --blue: #0874d1;
  --blue-strong: #045da9;
  --blue-soft: #e9f4ff;
  --cyan: #35b7e9;
  --navy: #07192d;
  --navy-2: #0d2945;
  --ink: #102238;
  --muted: #607087;
  --line: #d9e4ef;
  --surface: #ffffff;
  --surface-alt: #f3f7fb;
  --success: #0b8f69;
  --shadow-sm: 0 12px 32px rgba(9, 34, 61, 0.07);
  --shadow-lg: 0 30px 90px rgba(7, 31, 57, 0.14);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --container: min(1220px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.container { width: var(--container); margin-inline: auto; }
.section { position: relative; padding: 104px 0; }
.section--compact { padding: 68px 0; }
.section--alt { background: linear-gradient(180deg, #f6f9fc 0%, #f0f5fa 100%); }
.section--dark {
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(53,183,233,.13), transparent 28%),
    linear-gradient(135deg, var(--navy) 0%, #0a233d 100%);
  color: #fff;
}
.section--dark::before {
  content: ""; position: absolute; inset: 0; opacity: .16; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, transparent, #000 70%);
}
.section > .container { position: relative; z-index: 1; }
.section-header { max-width: 790px; margin-bottom: 48px; }
.section-header--center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 13px;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.eyebrow::before { content: ""; width: 30px; height: 2px; background: currentColor; }
h1, h2, h3, h4 { margin: 0 0 .55em; line-height: 1.13; letter-spacing: -.025em; overflow-wrap: break-word; hyphens: auto; }
h1 { font-size: clamp(2.7rem, 5.2vw, 5.15rem); font-weight: 790; }
h2 { font-size: clamp(2rem, 3.5vw, 3.15rem); font-weight: 760; }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--muted); }
.section--dark .lead, .section--dark .muted { color: #b8c6d8; }
.muted { color: var(--muted); }
.blue { color: var(--blue); }

.skip-link {
  position: fixed; left: 14px; top: -80px; z-index: 9999;
  background: #fff; color: var(--navy); padding: 10px 16px; border-radius: 8px;
  box-shadow: var(--shadow-sm);
}
.skip-link:focus { top: 14px; }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid rgba(206,220,233,.72);
  box-shadow: 0 8px 30px rgba(7,25,45,.04);
  backdrop-filter: blur(20px) saturate(140%);
}
.header-inner { height: 78px; display: flex; align-items: center; gap: 24px; }
.logo { display: inline-flex; flex: 0 0 auto; align-items: center; }
.logo img { width: 178px; height: auto; }
.nav { margin-left: auto; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 5px; }
.nav-item { position: relative; }
.nav-link {
  position: relative; display: flex; align-items: center; gap: 7px; padding: 11px 12px;
  color: #2b3d53; font-size: .91rem; font-weight: 680; border-radius: 9px;
  transition: .2s ease;
}
.nav-link::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px;
  border-radius: 2px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.nav-link:hover, .nav-link.active { color: var(--blue); background: transparent; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-chevron { font-size: .65rem; transition: transform .2s; }
.nav-item:hover .nav-chevron, .nav-item:focus-within .nav-chevron { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 280px;
  list-style: none; padding: 10px; margin: 0; background: #fff;
  border: 1px solid rgba(210,222,234,.9); border-radius: 14px; box-shadow: 0 24px 60px rgba(7,31,57,.16);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s ease;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown a { display: block; padding: 11px 12px; border-radius: 9px; color: #344258; font-size: .92rem; }
.dropdown a:hover { color: var(--blue); background: var(--blue-soft); }
.header-cta { margin-left: 8px; white-space: nowrap; }
.language-menu { position: relative; flex: 0 0 auto; margin-left: 2px; }
.language-menu summary {
  display: flex; min-width: 126px; min-height: 42px; align-items: center; justify-content: center; gap: 9px;
  padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-alt);
  color: #33445a; cursor: pointer; font-size: .82rem; font-weight: 760; list-style: none; transition: .2s ease;
}
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu summary:hover, .language-menu[open] summary { border-color: #b7d3eb; background: var(--blue-soft); color: var(--blue); }
.language-icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.language-chevron { width: 14px; height: 14px; margin-left: auto; fill: none; stroke: currentColor; stroke-width: 1.8; transition: transform .2s ease; }
.language-menu[open] .language-chevron { transform: rotate(180deg); }
.language-options {
  position: absolute; top: calc(100% + 10px); right: 0; z-index: 20; display: grid; min-width: 220px; max-height: min(360px, 70vh);
  overflow-y: auto; padding: 8px; border: 1px solid rgba(210,222,234,.95); border-radius: 14px; background: #fff;
  box-shadow: 0 24px 60px rgba(7,31,57,.17);
}
.language-options a {
  display: flex; min-height: 42px; align-items: center; justify-content: space-between; gap: 18px;
  padding: 9px 11px; border-radius: 9px; color: #344258; font-size: .88rem; font-weight: 680;
}
.language-options a:hover { color: var(--blue); background: var(--blue-soft); }
.language-options a.active { color: var(--blue); background: #f1f7fd; }
.language-options a svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 2; }
.menu-toggle {
  display: none; width: 46px; height: 46px; border: 0; border-radius: 12px;
  background: var(--blue-soft); color: var(--blue); align-items: center; justify-content: center;
}
.menu-toggle span, .menu-toggle::before, .menu-toggle::after {
  content: ""; display: block; width: 22px; height: 2px; background: currentColor; transition: .25s;
}
.menu-toggle span { margin: 5px 0; }
.menu-open .menu-toggle span { opacity: 0; }
.menu-open .menu-toggle::before { transform: translateY(7px) rotate(45deg); }
.menu-open .menu-toggle::after { transform: translateY(-7px) rotate(-45deg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 12px 22px; border: 1px solid transparent; border-radius: 10px;
  font-weight: 750; transition: transform .2s, background .2s, color .2s, border-color .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--blue), #0868bd); color: #fff; box-shadow: 0 14px 30px rgba(8,116,209,.24); }
.btn-primary:hover { background: var(--blue-strong); }
.btn-secondary { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }
.btn-light { background: #fff; color: var(--navy); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.3); color: #fff; }
.btn-sm { min-height: 42px; padding: 9px 16px; font-size: .9rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.arrow { font-size: 1.15em; transition: transform .2s; }
.btn:hover .arrow, .text-link:hover .arrow { transform: translateX(4px); }

.hero {
  position: relative; min-height: 720px; display: grid; align-items: center; overflow: hidden;
  background:
    radial-gradient(circle at 17% 28%, rgba(8,116,209,.2), transparent 30%),
    linear-gradient(115deg, #06182b 0%, #0a2744 62%, #0b2e4f 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .16;
  background-image: linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, #000, transparent 68%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(5,20,36,.74) 0%, rgba(5,20,36,.58) 44%, rgba(5,20,36,.2) 74%, rgba(5,20,36,.08) 100%);
}
.hero-media {
  position: absolute; inset: 0; width: 100%; overflow: hidden;
  border-radius: 0; background: var(--navy); box-shadow: none;
}
.hero-media::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.9) contrast(1.04); }
.hero-content { position: relative; z-index: 2; max-width: 745px; padding: 100px 0 88px; color: #fff; }
.hero h1 { max-width: 730px; text-wrap: balance; }
.hero .eyebrow { color: #77baff; }
.hero .blue { color: #42b7f1; }
.hero p { max-width: 630px; color: #d5e0ec; font-size: clamp(1.05rem, 1.45vw, 1.19rem); }
.hero-actions { margin-top: 30px; }
.page-hero {
  position: relative; min-height: 475px; display: grid; align-items: end; overflow: hidden; background: var(--navy);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; opacity: .15;
  background-image: linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,21,38,.98) 0%, rgba(5,21,38,.84) 48%, rgba(5,21,38,.3) 78%, rgba(5,21,38,.2)); }
.page-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.78) contrast(1.06); }
.page-hero-content { position: relative; z-index: 2; color: #fff; max-width: 850px; padding: 105px 0 76px; }
.page-hero h1 { font-size: clamp(2.65rem, 4.7vw, 4.6rem); text-wrap: balance; }
.page-hero .breadcrumbs { color: #b8d8f8; }
.page-hero p { color: #dbe6f2; max-width: 680px; font-size: 1.1rem; }
.breadcrumbs { display: flex; gap: 8px; align-items: center; font-size: .84rem; margin-bottom: 18px; }
.breadcrumbs a:hover { color: #fff; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.card {
  display: flex; min-width: 0; flex-direction: column; background: #fff; border: 1px solid rgba(211,224,237,.95); border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 12px 34px rgba(8,35,63,.055); transition: transform .28s, box-shadow .28s, border-color .28s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 26px 60px rgba(7,34,62,.13); border-color: #b7d8f3; }
.card-media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #e9eef4; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s; }
.card:hover .card-media img { transform: scale(1.05); }
.card-badge { position: absolute; left: 16px; bottom: 16px; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 13px; background: var(--blue); color: #fff; box-shadow: 0 10px 25px rgba(15,111,207,.3); }
.card-body { display: flex; flex: 1; flex-direction: column; padding: 26px; }
.card-body p { color: var(--muted); }
.card-body .text-link { margin-top: auto; padding-top: 10px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 750; }

.feature-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; background: transparent; border: 0; border-radius: var(--radius); overflow: visible; }
.feature { background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.11); border-radius: 16px; padding: 30px 25px; backdrop-filter: blur(10px); }
.section--dark .feature h3 { color: #fff; }
.section--dark .feature p { color: #afc0d3; }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 13px; background: var(--blue-soft); color: var(--blue); font-weight: 900; margin-bottom: 18px; }
.feature p { color: var(--muted); font-size: .94rem; margin-bottom: 0; }

.split { display: grid; grid-template-columns: 1.03fr .97fr; gap: 65px; align-items: center; }
.split--reverse > :first-child { order: 2; }
.image-frame { position: relative; border: 1px solid rgba(199,215,229,.8); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); background: #e9eef4; }
.image-frame img { width: 100%; height: 100%; object-fit: cover; }
.image-frame--portrait { aspect-ratio: 4/5; }
.image-frame--wide { aspect-ratio: 16/10; }
.image-label { position: absolute; right: 18px; bottom: 18px; max-width: 230px; padding: 14px 16px; border-radius: 13px; background: rgba(255,255,255,.92); box-shadow: var(--shadow-sm); backdrop-filter: blur(10px); }
.image-label strong { display: block; color: var(--navy); }
.image-label small { color: var(--muted); }

.check-list { display: grid; gap: 13px; padding: 0; margin: 24px 0 30px; list-style: none; }
.check-list li { display: flex; gap: 11px; align-items: flex-start; }
.check-list li::before { content: "✓"; flex: 0 0 25px; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; background: #ddf8ef; color: var(--success); font-size: .78rem; font-weight: 900; }

.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.stat { position: relative; min-height: 170px; padding: 30px 26px; border-radius: var(--radius); background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.11); backdrop-filter: blur(10px); }
.stat::before { content: ""; position: absolute; left: 26px; right: 26px; top: 0; height: 2px; background: linear-gradient(90deg, var(--cyan), transparent); }
.stat strong { display: block; color: #79c8f3; font-size: 1.05rem; letter-spacing: .08em; line-height: 1; margin-bottom: 25px; }
.stat span { color: #b8c6d8; font-size: .9rem; }

.process { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; counter-reset: steps; }
.process-step { position: relative; min-height: 220px; padding: 28px 22px; background: rgba(255,255,255,.9); border: 1px solid var(--line); border-radius: var(--radius); counter-increment: steps; box-shadow: 0 12px 30px rgba(7,34,62,.045); }
.process-step::before { content: counter(steps, decimal-leading-zero); display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: #fff; background: var(--blue); box-shadow: 0 8px 20px rgba(8,116,209,.22); font-weight: 850; margin-bottom: 23px; }
.process-step:not(:last-child)::after { content: "→"; position: absolute; right: -14px; top: 40px; z-index: 2; color: var(--blue); background: var(--surface-alt); padding: 0 4px; }
.process-step p { color: var(--muted); font-size: .92rem; margin: 0; }

.gallery-toolbar { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; }
.filter-btn { border: 1px solid var(--line); background: #fff; color: #425067; border-radius: 999px; padding: 9px 16px; font-weight: 700; }
.filter-btn.active, .filter-btn:hover { color: #fff; background: var(--blue); border-color: var(--blue); }
.gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.gallery-item { position: relative; min-height: 330px; border: 1px solid rgba(210,223,235,.9); border-radius: var(--radius); overflow: hidden; cursor: zoom-in; box-shadow: var(--shadow-sm); }
.gallery-item.hidden { display: none; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-overlay { position: absolute; inset: auto 0 0; padding: 74px 24px 22px; color: #fff; background: linear-gradient(transparent, rgba(5,21,39,.94)); }
.gallery-overlay small { color: #9dceff; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.gallery-overlay h3 { margin: 5px 0 0; }

.lightbox { position: fixed; inset: 0; z-index: 2000; display: none; place-items: center; padding: 25px; background: rgba(2,12,24,.88); }
.lightbox.open { display: grid; }
.lightbox figure { margin: 0; max-width: min(1050px,95vw); max-height: 90vh; }
.lightbox img { max-height: 80vh; width: auto; border-radius: 14px; box-shadow: var(--shadow-lg); }
.lightbox figcaption { color: #fff; margin-top: 12px; text-align: center; }
.lightbox-close { position: fixed; right: 25px; top: 20px; width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.1); color: #fff; font-size: 1.4rem; }

.calculator { max-width: 920px; margin: 0 auto; padding: 38px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-lg); }
.calculator-heading { max-width: 650px; margin: 0 auto 28px; text-align: center; }
.calculator-heading h2 { margin-bottom: 8px; }
.calculator-heading p { margin: 0; color: var(--muted); }
.calculator-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; max-width: 650px; margin: 0 auto 30px; }
.calc-tab { min-height: 50px; border: 1px solid var(--line); background: var(--surface-alt); border-radius: 11px; padding: 11px 16px; font-size: 1rem; font-weight: 750; color: #405068; transition: background .2s, color .2s, border-color .2s, transform .2s; }
.calc-tab:hover { border-color: #9ec6ee; transform: translateY(-1px); }
.calc-tab.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.calc-panel { display: none; }
.calc-panel.active { display: block; }
.converter-controls { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr) auto; gap: 15px; align-items: end; max-width: 720px; margin: 0 auto; }
.converter-submit { min-height: 49px; }
.converter-results { grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 30px; }
.converter-results .result-row { min-height: 53px; }
.converter-results .result-row strong { order: 0; color: var(--ink); }
.converter-results .result-row span { order: 1; font-weight: 700; }
.precision-control { max-width: 390px; margin: 32px auto 0; padding-top: 24px; border-top: 1px solid var(--line); text-align: center; }
.precision-control label { display: block; margin-bottom: 8px; font-size: .95rem; }
.precision-control output { display: inline-block; min-width: 1.5em; color: var(--blue); font-size: 1rem; }
.precision-control input[type="range"] { min-height: 28px; padding: 0; border: 0; border-radius: 0; box-shadow: none; accent-color: var(--blue); cursor: pointer; }
.calculator-input-error { border-color: #c83d3d; background: #fff4f4; }
.pump-calculator { max-width: 1180px; margin: 0 auto; padding: 38px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-lg); }
.pump-mode-tabs { grid-template-columns: repeat(2,1fr); }
.pump-mode-panel { display: none; }
.pump-mode-panel.active { display: block; }
.simple-pump-layout { display: grid; grid-template-columns: minmax(0,1.12fr) minmax(390px,.88fr); gap: 30px; align-items: start; }
.simple-pump-layout > *, .simple-step-grid > *, .pump-mode-panel, .pump-mode-tabs .calc-tab { min-width: 0; }
.simple-pump-form { display: grid; gap: 16px; }
.simple-step { padding: 20px; border: 1px solid #d7e4f0; border-radius: 17px; background: linear-gradient(150deg,#fff 68%,#f6faff); box-shadow: 0 8px 24px rgba(20,64,102,.045); }
.simple-step-heading { display: flex; align-items: flex-start; gap: 13px; margin-bottom: 18px; }
.simple-step-number { display: grid; flex: 0 0 36px; width: 36px; height: 36px; place-items: center; border-radius: 11px; background: #e7f3ff; color: var(--blue); font-size: .76rem; font-weight: 850; letter-spacing: .05em; }
.simple-step-heading h3 { margin: 1px 0 3px; font-size: 1.03rem; }
.simple-step-heading p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.45; }
.simple-step-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 15px; }
.simple-step:first-child .simple-step-grid .form-group:nth-child(2) { grid-column: span 1; }
.simple-step:first-child .simple-step-grid .form-group:last-child { grid-column: 1/-1; }
.pressure-presets { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 8px; margin-bottom: 10px; }
.pressure-preset { display: grid; gap: 3px; min-height: 62px; padding: 9px 8px; border: 1px solid #cfdeeb; border-radius: 11px; background: #fff; color: #354a61; text-align: left; transition: border-color .2s, background .2s, color .2s, transform .2s, box-shadow .2s; }
.pressure-preset:hover { border-color: #89bce9; transform: translateY(-1px); }
.pressure-preset strong { font-size: .76rem; line-height: 1.25; }
.pressure-preset span { color: var(--muted); font-size: .72rem; font-variant-numeric: tabular-nums; }
.pressure-preset.active { border-color: var(--blue); background: #eef7ff; color: #075ca9; box-shadow: inset 0 0 0 1px var(--blue); }
.pressure-preset.active span { color: #226da9; }
.pressure-custom-input input { min-height: 45px; background: #fbfdff; }
.form-label { font-size: .88rem; font-weight: 750; color: #334158; }
.cleanliness-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.cleanliness-option { display: flex; align-items: center; gap: 9px; min-height: 66px; padding: 10px; border: 1px solid #cfdeeb; border-radius: 11px; background: #fff; color: #354a61; text-align: left; transition: border-color .2s, background .2s, box-shadow .2s; }
.cleanliness-option:hover { border-color: #89bce9; }
.cleanliness-option.active { border-color: var(--blue); background: #eef7ff; box-shadow: inset 0 0 0 1px var(--blue); }
.cleanliness-option > span:last-child { display: grid; gap: 2px; }
.cleanliness-option strong { font-size: .77rem; line-height: 1.25; }
.cleanliness-option small { color: var(--muted); font-size: .69rem; line-height: 1.25; }
.simple-assumptions { padding: 4px 3px 0; color: var(--muted); font-size: .82rem; }
.simple-assumptions summary { width: fit-content; color: #42627f; font-weight: 750; cursor: pointer; }
.simple-assumptions p { margin: 9px 0 0; }
.simple-pump-form .pump-submit-row { margin-top: 4px; }
.vacuum-system-diagram { position: sticky; top: 102px; margin: 0; padding: 24px 24px 18px; overflow: hidden; border: 1px solid #d7e3ed; border-radius: 20px; background: #fff; box-shadow: 0 16px 42px rgba(14,61,100,.09); transition: border-color .2s, box-shadow .2s; }
.vacuum-system-diagram.is-invalid { border-color: #e5b9b9; box-shadow: 0 16px 42px rgba(125,37,37,.08); }
.vacuum-diagram-art { display: block; align-self: center; width: 100%; height: auto; max-height: 610px; }
.vacuum-diagram-art--standalone { width: auto; max-width: 100%; max-height: 660px; margin-inline: auto; }
.diagram-machine > rect:first-child { fill: #fbfdff; stroke: #174f7e; stroke-width: 4; }
.diagram-machine > circle:not(.diagram-pump-shape):not(.diagram-pump-ring):not(.diagram-pump-hub) { fill: #779fbe; }
.diagram-chamber-detail { fill: none; stroke: url(#diagram-wire-horizontal); stroke-width: 3; stroke-linecap: round; }
.diagram-seal-shape { fill: #f5ad49; stroke: #a9610e; stroke-width: 3; }
.diagram-pipe-shape { fill: #f6fafe; stroke: #174f7e; stroke-width: 4; }
.diagram-flow { fill: none; stroke: url(#diagram-wire-vertical); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 9 9; }
.diagram-geometry-label { fill: #1574c4; stroke: #fbfdff; stroke-width: 5px; paint-order: stroke fill; font-size: 28px; font-weight: 850; letter-spacing: .02em; }
.diagram-geometry-label--small { font-size: 22px; }
.diagram-geometry-value { fill: #075fae; stroke: #fbfdff; stroke-width: 4px; paint-order: stroke fill; font-size: 20px; font-weight: 850; font-variant-numeric: tabular-nums; }
.diagram-geometry-value--small { font-size: 16px; }
.diagram-pump-shape { fill: #eaf4fc; stroke: #174f7e; stroke-width: 5; }
.diagram-pump-ring { fill: none; stroke: #9cc5e5; stroke-width: 2; }
.diagram-pump-hub { fill: #1574c4; }
.diagram-pump-blade { fill: none; stroke: #4d9ad5; stroke-width: 10; stroke-linecap: round; }
.diagram-legend { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 11px; color: #52667b; font-size: .8rem; font-weight: 700; text-align: center; }
.diagram-legend strong { color: #8c4d08; }
.diagram-legend-swatch { width: 25px; height: 10px; border: 2px solid #a9610e; border-radius: 5px; background: #f5ad49; }
.cleanliness-options.calculator-input-error { padding: 4px; border: 1px solid #c83d3d; border-radius: 13px; background: #fff4f4; }
.simple-pump-results { margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.simple-results-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.pump-model-matches { margin-top: 30px; padding-top: 28px; border-top: 1px solid var(--line); }
.pump-model-heading { max-width: 820px; }
.pump-model-heading .eyebrow { margin-bottom: 8px; }
.pump-model-heading h3 { margin: 0 0 8px; font-size: 1.35rem; }
.pump-model-heading p { margin: 0; color: var(--muted); }
.pump-model-stage-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin-top: 22px; }
.pump-model-stage > h4 { margin: 0 0 11px; color: var(--ink); font-size: 1rem; }
.pump-model-list { display: grid; gap: 18px; }
.pump-model-group { display: grid; gap: 11px; }
.pump-model-group[hidden] { display: none; }
.pump-model-group + .pump-model-group { padding-top: 17px; border-top: 1px solid #dbe6ef; }
.pump-model-group-label { margin: 0; color: #52667b; font-size: .73rem; font-weight: 850; letter-spacing: .055em; text-transform: uppercase; }
.pump-model-group--preferred .pump-model-group-label { color: #075fae; }
.pump-model-alternatives-toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; min-height: 46px; padding: 10px 14px; border: 1px solid #cbddea; border-radius: 11px; background: #f7fbfe; color: #075fae; font-size: .83rem; font-weight: 800; text-align: left; transition: border-color .2s, background .2s, box-shadow .2s; }
.pump-model-alternatives-toggle::after { content: "+"; display: grid; flex: 0 0 24px; width: 24px; height: 24px; place-items: center; border-radius: 50%; background: #e3f1fc; font-size: 1rem; line-height: 1; }
.pump-model-alternatives-toggle:hover { border-color: #82bce9; background: #eef7ff; }
.pump-model-alternatives-toggle[aria-expanded="true"] { border-color: #82bce9; background: #eef7ff; }
.pump-model-alternatives-toggle[aria-expanded="true"]::after { content: "−"; }
.pump-model-card { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; padding: 16px; border: 1px solid #d5e2ed; border-radius: 13px; background: #fbfdff; }
.pump-model-card--preferred { border-color: #82bce9; background: linear-gradient(145deg,#fafdff,#edf7ff); box-shadow: 0 8px 22px rgba(15,111,207,.09); }
.pump-model-card h5 { grid-column: 1/-1; margin: 0; color: var(--ink); font-size: 1.03rem; }
.pump-model-technology { grid-column: 1/-1; width: fit-content; padding: 4px 9px; border-radius: 999px; background: #e8f3fd; color: #075fae; font-size: .71rem; font-weight: 800; letter-spacing: .02em; }
.pump-model-card dl { grid-column: 1/-1; display: grid; grid-template-columns: 1fr auto; gap: 5px 15px; margin: 3px 0 0; font-size: .81rem; }
.pump-model-card dt { color: var(--muted); }
.pump-model-card dd { margin: 0; color: var(--ink); font-weight: 800; font-variant-numeric: tabular-nums; text-align: right; }
.pump-model-card a { grid-column: 1/-1; width: fit-content; margin-top: 3px; color: var(--blue); font-size: .8rem; font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.pump-model-empty { margin: 0; padding: 16px; border: 1px solid #f0dba8; border-radius: 12px; background: #fff9e9; color: #6e571f; font-size: .84rem; }
.pump-model-disclaimer { margin: 17px 0 0; color: var(--muted); font-size: .8rem; }
.pump-fieldset { margin: 0; padding: 0; border: 0; }
.pump-fieldset legend, .pump-details summary { width: 100%; margin-bottom: 18px; color: var(--ink); font-size: 1.1rem; font-weight: 800; }
.pump-input-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 17px; }
.input-with-unit { position: relative; }
.input-with-unit input { padding-right: 118px; }
.input-with-unit span { position: absolute; right: 13px; top: 50%; max-width: 105px; color: var(--muted); font-size: .78rem; font-weight: 700; text-align: right; transform: translateY(-50%); pointer-events: none; }
.pump-details { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line); }
.pump-details summary { display: list-item; cursor: pointer; }
.pump-details[open] summary { margin-bottom: 18px; }
.pump-details .form-note { margin: 14px 0 0; }
.pump-submit-row { display: flex; align-items: center; gap: 18px; margin-top: 30px; }
.pump-submit-row .form-status { flex: 1; margin: 0; }
.pump-results { margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.pump-result-summary { display: grid; gap: 7px; margin-bottom: 24px; padding: 20px; border-radius: 13px; color: #fff; background: linear-gradient(125deg, var(--navy), var(--blue)); }
.pump-result-summary span { color: #b9daf8; font-size: .82rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.pump-result-summary strong { font-size: 1.08rem; }
.pump-results-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.pump-results-grid h3 { margin-bottom: 12px; font-size: 1.05rem; }
.pump-results-grid .result-row { min-height: 72px; align-items: flex-start; flex-direction: column; }
.pump-results-grid .result-row strong { color: var(--ink); text-align: left; }
.pump-results-grid .result-row strong small { color: var(--muted); font-size: .76rem; }
.pump-warnings { margin: 24px 0 0; padding: 18px 18px 18px 40px; border: 1px solid #f0dba8; border-radius: 12px; background: #fff9e9; color: #6e571f; }
.pump-warnings li + li { margin-top: 8px; }
.pump-method-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.source-list { display: grid; gap: 11px; max-width: 900px; padding-left: 22px; }
.source-list a { color: var(--blue); font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 17px; }
.form-group { display: grid; gap: 7px; }
.form-group--full { grid-column: 1/-1; }
label { font-size: .88rem; font-weight: 750; color: #334158; }
input, select, textarea {
  width: 100%; min-width: 0; border: 1px solid #ccd8e5; border-radius: 11px; background: #fff;
  color: var(--ink); min-height: 49px; padding: 11px 13px; outline: none; transition: border-color .2s, box-shadow .2s;
}
textarea { min-height: 150px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(15,111,207,.1); }
.results { display: grid; gap: 10px; }
.result-row { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 13px 15px; border-radius: 11px; background: var(--surface-alt); border: 1px solid var(--line); }
.result-row span { color: var(--muted); }
.result-row strong { font-variant-numeric: tabular-nums; text-align: right; overflow-wrap: anywhere; }
.form-note { font-size: .84rem; color: var(--muted); }
.form-status { display: none; margin-top: 14px; padding: 13px 15px; border-radius: 10px; background: #e6f8f1; color: #087355; font-weight: 700; }
.form-status.show { display: block; }
.form-status.error { background: #fff0f0; color: #a42929; }
.btn:disabled { cursor: wait; opacity: .68; transform: none; }
.consent-field label { display: flex; align-items: flex-start; gap: 9px; }
.consent-field input { width: auto; min-height: auto; margin-top: 5px; flex: 0 0 auto; }

.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 50px; align-items: start; }
.contact-card { position: sticky; top: 110px; overflow: hidden; padding: 34px; background: linear-gradient(145deg, var(--navy), var(--navy-2)); color: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.contact-card p { color: #becbdb; }
.contact-list { list-style: none; padding: 0; margin: 25px 0 0; display: grid; gap: 16px; }
.contact-list li { display: flex; align-items: center; gap: 13px; }
.contact-list-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgba(255,255,255,.08); color: #83c3ff; }

.cta { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: 64px; background: linear-gradient(125deg, #075ca9, #0786d7); color: #fff; box-shadow: 0 28px 70px rgba(6,91,164,.2); }
.cta::before { content: ""; position: absolute; width: 330px; height: 330px; border: 70px solid rgba(255,255,255,.08); border-radius: 50%; right: -120px; top: -120px; }
.cta-inner { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 35px; }
.cta h2 { max-width: 690px; margin-bottom: 0; }

.site-footer { background: #061322; color: #fff; padding: 76px 0 28px; border-top: 4px solid var(--blue); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 45px; }
.footer-logo { width: 195px; margin-bottom: 18px; background: #fff; border-radius: 8px; padding: 5px 8px; }
.footer-intro { color: #9fb0c5; max-width: 390px; }
.footer-title { font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: #70b8fb; margin-bottom: 15px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; color: #b9c6d5; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 26px; margin-top: 45px; border-top: 1px solid rgba(255,255,255,.1); color: #8295aa; font-size: .86rem; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].visible { opacity: 1; transform: none; }
.gallery-item:focus-visible, .filter-btn:focus-visible, .language-menu summary:focus-visible, .language-options a:focus-visible, a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(15,111,207,.4); outline-offset: 3px;
}
.not-found { min-height: 62vh; display: grid; align-items: center; padding: 100px 0; background: var(--surface-alt); }
.not-found .container { max-width: 760px; }
.not-found .lead { margin-bottom: 28px; }

@media (max-width: 1050px) {
  .header-cta { display: none; }
  .header-inner { gap: 18px; }
  .language-menu summary { min-width: 112px; }
  .cards--4, .feature-grid, .pump-input-grid, .pump-results-grid { grid-template-columns: repeat(2,1fr); }
  .simple-pump-layout { grid-template-columns: 1fr; }
  .vacuum-system-diagram { position: relative; top: auto; width: 100%; max-width: 540px; margin-inline: auto; }
  .process { grid-template-columns: repeat(3,1fr); }
  .process-step::after { display: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 2/4; }
}

@media (max-width: 860px) {
  :root { --container: min(100% - 30px, 720px); }
  .section { padding: 78px 0; }
  .header-inner { height: 72px; }
  .logo img { width: 165px; }
  .menu-toggle { display: inline-flex; margin-left: auto; flex-direction: column; }
  .language-menu { order: 2; margin-left: auto; }
  .menu-toggle { order: 3; margin-left: 0; }
  .nav {
    position: fixed; inset: 72px 0 0; background: #fff; padding: 24px 20px 50px;
    opacity: 0; visibility: hidden; transform: translateX(100%); transition: .25s ease; overflow-y: auto;
  }
  .menu-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav-list { display: grid; align-items: stretch; gap: 4px; }
  .nav-link { justify-content: space-between; font-size: 1.02rem; padding: 14px; }
  .nav-link::after { display: none; }
  .dropdown { position: static; min-width: 0; box-shadow: none; border: 0; border-left: 2px solid var(--line); border-radius: 0; margin: 0 0 7px 17px; padding: 0 0 0 9px; opacity: 1; visibility: visible; transform: none; display: none; }
  .nav-item.open .dropdown { display: block; }
  .nav-item:hover .nav-chevron { transform: none; }
  .nav-item.open .nav-chevron { transform: rotate(180deg); }
  .hero { min-height: 680px; }
  .hero-media { inset: 0; width: 100%; border-radius: 0; opacity: 1; }
  .hero-media img { object-fit: cover; object-position: 56% center; }
  .hero::after { background: linear-gradient(90deg, rgba(5,20,36,.91), rgba(5,20,36,.72)); }
  .hero-content { padding: 82px 0; }
  .cards, .cards--2, .cards--4, .gallery { grid-template-columns: repeat(2,1fr); }
  .split, .contact-layout, .calculator { grid-template-columns: 1fr; gap: 35px; }
  .contact-card { position: static; }
  .split--reverse > :first-child { order: 0; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .process { grid-template-columns: repeat(2,1fr); }
  .cta { padding: 45px 35px; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid > :last-child { grid-column: auto; }
}

@media (max-width: 580px) {
  :root { --container: calc(100% - 24px); }
  h1 { font-size: 2.55rem; }
  .section { padding: 66px 0; }
  .section-header { margin-bottom: 34px; }
  .hero { min-height: 720px; }
  .hero-content { padding: 68px 0; }
  .page-hero { min-height: 410px; }
  .page-hero-content { padding: 82px 0 55px; }
  .cards, .cards--2, .cards--4, .gallery, .feature-grid, .stats, .process, .footer-grid, .form-grid { grid-template-columns: 1fr; }
  .gallery-item { min-height: 280px; }
  .cta { padding: 40px 26px; }
  .footer-bottom { flex-direction: column; }
  .calculator, .pump-calculator { padding: 20px; }
  .pump-input-grid, .pump-results-grid { grid-template-columns: 1fr; }
  .simple-step { padding: 17px; }
  .simple-step-grid, .cleanliness-options, .pump-model-stage-grid { grid-template-columns: 1fr; }
  .simple-step:first-child .simple-step-grid .form-group:nth-child(2) { grid-column: auto; }
  .simple-step:first-child .simple-step-grid .form-group:last-child { grid-column: auto; }
  .pressure-presets { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .pump-submit-row { align-items: stretch; flex-direction: column; }
  .converter-controls, .converter-results { grid-template-columns: 1fr; }
  .converter-submit { width: 100%; }
  .result-row { align-items: flex-start; flex-direction: column; }
  .result-row strong { text-align: left; }
  .converter-results .result-row { align-items: center; flex-direction: row; }
}

@media (max-width: 420px) {
  .header-inner { gap: 10px; }
  .logo img { width: 148px; }
  .menu-toggle { width: 44px; height: 44px; }
  .language-menu summary { min-width: 96px; padding-inline: 10px; }
  .hero-actions .btn { flex: 1 1 145px; }
  .diagram-legend { align-items: flex-start; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal] { opacity: 1; transform: none; }
}