:root {
  --ink: #07111f;
  --muted: #536274;
  --line: #dce5ef;
  --soft-line: #edf2f7;
  --blue: #075be8;
  --blue-dark: #0649ba;
  --blue-soft: #eaf4ff;
  --cyan: #36a8d8;
  --white: #fff;
  --surface: #f6f9fc;
  --danger: #9b1c1c;
  --danger-bg: #fff4f2;
  --shadow: 0 24px 70px rgba(26, 55, 87, .12);
  --radius: 20px;
  --container: 1280px;
  --header-height: 90px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.65; text-rendering: optimizeLegibility; }
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; inset-block-start: 12px; inset-inline-start: 12px; z-index: 1000; transform: translateY(-180%); padding: 10px 16px; color: #fff; background: var(--ink); border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; inset-block-start: 0; z-index: 100; min-height: var(--header-height); background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(211,222,234,.9); backdrop-filter: blur(16px); }
.header-inner { min-height: var(--header-height); display: grid; grid-template-columns: minmax(190px, 260px) 1fr auto; gap: 36px; align-items: center; }
.brand { display: inline-flex; width: 212px; }
.brand img { width: 100%; height: auto; }
.main-nav { justify-self: center; display: flex; align-items: stretch; gap: clamp(24px, 3vw, 46px); height: var(--header-height); }
.main-nav a { position: relative; display: grid; place-items: center; font-weight: 560; font-size: .98rem; white-space: nowrap; }
.main-nav a::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: 0; height: 3px; background: var(--blue); transform: scaleX(0); transition: transform .2s ease; transform-origin: center; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { transform: scaleX(1); }
.language-switcher { display: flex; align-items: center; gap: 13px; padding: 12px 16px; border: 1px solid #c8d3df; border-radius: 10px; font-weight: 600; }
.language-switcher span { color: #a4b0bd; }
.language-switcher a { color: #303b47; }
.language-switcher a.active { color: var(--blue); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--ink); transition: .2s ease; }

.hero { position: relative; min-height: calc(100vh - var(--header-height)); overflow: hidden; background: #f9fcff; }
.hero-background { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 36%, rgba(255,255,255,.28) 70%, rgba(255,255,255,0) 100%), url("../img/hero-lab.webp") center right/cover no-repeat; }
.hero-grid { position: relative; z-index: 1; min-height: 650px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .75fr); gap: 34px; align-items: center; padding-block: 76px 130px; }
.hero-copy { max-width: 750px; }
.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: .86rem; font-weight: 760; letter-spacing: .19em; line-height: 1.35; text-transform: uppercase; }
h1, h2, h3, h4 { margin-top: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 780px; margin-bottom: 26px; font-size: clamp(3.4rem, 6.6vw, 6.5rem); font-weight: 650; }
h2 { margin-bottom: 24px; font-size: clamp(2.3rem, 4.2vw, 4.3rem); font-weight: 630; }
h3 { font-size: 1.28rem; }
p { margin-top: 0; }
.hero-lead { max-width: 680px; margin-bottom: 38px; color: #273544; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.55; }
.button-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 13px 25px; border: 1px solid transparent; border-radius: 9px; font-weight: 680; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, color .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible, button:focus-visible { outline: 3px solid rgba(7,91,232,.25); outline-offset: 3px; }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--blue), #084cc9); box-shadow: 0 12px 30px rgba(7,91,232,.22); }
.button-primary:hover { background: linear-gradient(135deg, #0753d2, #063ca9); box-shadow: 0 16px 36px rgba(7,91,232,.28); }
.button-secondary { color: var(--blue); border-color: var(--blue); background: rgba(255,255,255,.74); }
.button-quiet { border-color: var(--line); background: #fff; }
.button-icon { width: 20px; height: 20px; transition: transform .18s ease; }
.button:hover .button-icon { transform: translateX(3px); }
.hero-product { position: relative; align-self: end; justify-self: center; width: min(100%, 430px); height: 540px; display: grid; place-items: end center; }
.hero-product img { position: relative; z-index: 2; width: 258px; max-height: 520px; object-fit: contain; filter: drop-shadow(0 36px 36px rgba(41,64,87,.26)); }
.product-halo { position: absolute; inset: 13% 0 2%; border-radius: 50%; background: radial-gradient(circle at 50% 52%, rgba(255,255,255,.93) 0 27%, rgba(177,228,248,.45) 46%, rgba(255,255,255,0) 72%); filter: blur(3px); }
.metric-strip { position: absolute; z-index: 3; inset-inline: 50%; transform: translateX(-50%); inset-block-end: 0; display: grid; grid-template-columns: repeat(3, 1fr); background: rgba(255,255,255,.91); border: 1px solid rgba(205,219,232,.82); box-shadow: 0 16px 50px rgba(48,83,114,.10); backdrop-filter: blur(16px); }
.metric { min-height: 118px; display: flex; gap: 19px; align-items: center; padding: 22px 30px; }
.metric + .metric { border-inline-start: 1px solid var(--line); }
.metric-icon, .card-icon, .document-icon { flex: 0 0 auto; display: grid; place-items: center; color: var(--blue); background: var(--blue-soft); border-radius: 50%; }
.metric-icon { width: 58px; height: 58px; }
.icon { width: 27px; height: 27px; }
.metric h2 { margin: 0 0 3px; font-size: 1.05rem; letter-spacing: -.01em; }
.metric p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.45; }

.section { padding-block: 120px; }
.section-copy { max-width: 610px; }
.section-copy > p:not(.eyebrow), .section-heading > p:not(.eyebrow) { color: var(--muted); font-size: 1.07rem; }
.lead { color: #263546 !important; font-size: 1.26rem !important; line-height: 1.6; }
.split-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: clamp(64px, 8vw, 120px); align-items: center; }
.image-frame { overflow: hidden; min-height: 470px; background: #eef4f8; border-radius: var(--radius); box-shadow: var(--shadow); }
.image-frame img { width: 100%; height: 100%; min-height: 470px; object-fit: cover; }
.parameter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 22px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--line); }
.parameter { padding: 16px 10px; text-align: center; background: #fff; }
.parameter strong, .parameter span { display: block; }
.parameter strong { font-size: .96rem; }
.parameter span { margin-top: 3px; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; }
.section-copy h3 { margin: 34px 0 18px; }
.check-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 20px; padding: 0; margin: 0; list-style: none; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; color: #334355; }
.check-list svg { flex: 0 0 auto; width: 20px; height: 20px; margin-top: 3px; color: var(--blue); }

.applications-section { background: var(--surface); border-block: 1px solid var(--soft-line); }
.section-heading { max-width: 840px; margin-bottom: 54px; }
.section-heading > p:last-child { max-width: 700px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.application-card { min-height: 320px; padding: 36px; background: #fff; border: 1px solid #e0e8f0; border-radius: var(--radius); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.application-card:hover { transform: translateY(-6px); border-color: #c4d8ed; box-shadow: 0 22px 55px rgba(31,68,100,.10); }
.card-icon { width: 66px; height: 66px; margin-bottom: 52px; }
.application-card h3 { margin-bottom: 14px; font-size: 1.55rem; }
.application-card p { color: var(--muted); }

.steps { counter-reset: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding: 0; margin: 0 0 46px; list-style: none; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.step { position: relative; min-height: 300px; padding: 32px 28px; background: #fff; }
.step + .step { border-inline-start: 1px solid var(--line); }
.step-number { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 58px; color: #fff; background: var(--blue); border-radius: 50%; font-weight: 760; }
.step h3 { margin-bottom: 12px; }
.step p { color: var(--muted); font-size: .94rem; }
.safety-panel { display: grid; grid-template-columns: 1.5fr 1fr; gap: 42px; padding: 34px 38px; color: #601212; background: var(--danger-bg); border: 1px solid #f2c9c2; border-radius: var(--radius); }
.safety-main { display: flex; gap: 22px; align-items: flex-start; }
.safety-icon { flex: 0 0 auto; display: grid; place-items: center; width: 50px; height: 50px; color: var(--danger); background: #fff; border: 1px solid #f0c5bf; border-radius: 50%; }
.safety-icon svg { width: 27px; height: 27px; }
.safety-main h3 { margin-bottom: 10px; color: var(--danger); }
.safety-main p { margin: 0; color: #713333; }
.limits { padding-inline-start: 36px; border-inline-start: 1px solid #ebc8c1; }
.limits h4 { margin-bottom: 10px; font-size: 1rem; }
.limits ul { padding-inline-start: 18px; margin: 0; color: #713333; font-size: .9rem; }

.documents-section { background: #08182a; color: #fff; }
.documents-section .eyebrow { color: #68b7ff; }
.documents-section .section-heading > p:last-child { color: #aebdca; }
.document-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.document-card { min-height: 230px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: 1fr auto; gap: 18px; padding: 28px; color: #fff; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.16); border-radius: 16px; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.document-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.09); border-color: rgba(104,183,255,.55); }
.document-icon { width: 52px; height: 52px; color: #73bdff; background: rgba(54,156,241,.12); }
.document-copy { align-self: center; }
.document-copy strong, .document-copy small { display: block; }
.document-copy strong { font-size: 1.1rem; }
.document-copy small { margin-top: 6px; color: #9fb0c0; }
.download-label { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; padding-top: 17px; color: #8bc8ff; border-top: 1px solid rgba(255,255,255,.11); font-size: .85rem; font-weight: 700; }
.download-label svg { width: 20px; height: 20px; }
.document-notice { display: flex; gap: 12px; align-items: flex-start; max-width: 920px; margin: 30px 0 0; color: #b6c3cf; font-size: .9rem; }
.document-notice svg { flex: 0 0 auto; width: 20px; height: 20px; color: #f5cb71; }

.faq-section { background: var(--surface); }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 84px; align-items: start; }
.faq-list details { border-top: 1px solid #cfdbe6; }
.faq-list details:last-child { border-bottom: 1px solid #cfdbe6; }
.faq-list summary { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 24px 4px; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--blue); font-size: 1.5rem; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { padding: 0 44px 24px 4px; margin: 0; color: var(--muted); }

.contact-section { background: linear-gradient(125deg, #f6fbff 0%, #fff 65%); }
.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.contact-copy { position: sticky; top: calc(var(--header-height) + 30px); }
.contact-details { display: grid; gap: 16px; margin-top: 38px; }
.contact-details a, .contact-details > p { display: flex; gap: 14px; align-items: flex-start; margin: 0; color: #293a4b; }
.contact-details svg { flex: 0 0 auto; width: 23px; height: 23px; color: var(--blue); }
.contact-form { padding: 42px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-form h3 { margin-bottom: 30px; font-size: 1.65rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.contact-form label { display: block; margin-bottom: 19px; }
.contact-form label > span { display: block; margin-bottom: 7px; font-size: .85rem; font-weight: 700; }
.contact-form input:not([type="checkbox"]), .contact-form textarea { width: 100%; padding: 13px 14px; color: var(--ink); background: #fbfdff; border: 1px solid #cfdbe6; border-radius: 8px; transition: border .16s ease, box-shadow .16s ease; }
.contact-form textarea { resize: vertical; min-height: 135px; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(7,91,232,.1); outline: none; }
.consent { display: flex !important; gap: 10px; align-items: flex-start; color: var(--muted); }
.consent input { margin-top: 4px; accent-color: var(--blue); }
.consent span { font-size: .8rem !important; font-weight: 500 !important; }
.honeypot { position: absolute !important; inset-inline-start: -9999px; }
.form-footer { display: flex; gap: 20px; align-items: center; }
.form-status { margin: 0; font-size: .86rem; }
.form-status.success { color: #197041; }
.form-status.error { color: var(--danger); }

.site-footer { padding: 68px 0 22px; color: #dbe5ee; background: #050f1a; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .7fr 1fr .7fr; gap: 54px; }
.footer-grid h2 { margin-bottom: 18px; color: #fff; font-size: .82rem; letter-spacing: .13em; text-transform: uppercase; }
.footer-grid p, .footer-grid a, .footer-link { color: #97a8b8; font-size: .88rem; }
.footer-grid > div:not(.footer-brand) a, .footer-link { display: block; width: fit-content; margin-bottom: 9px; }
.footer-grid a:hover, .footer-link:hover { color: #fff; }
.footer-link { padding: 0; border: 0; background: transparent; cursor: pointer; }
.footer-brand img { width: 180px; padding: 10px; background: #fff; border-radius: 5px; }
.footer-brand p { max-width: 280px; margin-top: 20px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 50px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { margin: 0; color: #6f8292; font-size: .78rem; }

.cookie-banner { position: fixed; z-index: 300; inset-inline: max(16px, calc((100vw - var(--container)) / 2)); inset-block-end: 18px; display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; padding: 22px 24px; background: #fff; border: 1px solid #ccd9e5; border-radius: 14px; box-shadow: 0 20px 80px rgba(8,28,48,.24); }
.cookie-banner[hidden] { display: none; }
.cookie-copy h2 { margin: 0 0 5px; font-size: 1.05rem; letter-spacing: 0; }
.cookie-copy p { max-width: 780px; margin: 0; color: var(--muted); font-size: .86rem; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-actions .button { min-height: 44px; padding: 9px 16px; font-size: .83rem; }
.modal { width: min(680px, calc(100% - 28px)); max-height: calc(100vh - 40px); padding: 0; border: 0; border-radius: 18px; box-shadow: 0 24px 90px rgba(5,22,39,.3); }
.modal::backdrop { background: rgba(5,16,29,.57); backdrop-filter: blur(4px); }
.modal-card { position: relative; padding: 38px; }
.modal-card h2 { font-size: 2rem; }
.modal-close { position: absolute; top: 16px; right: 18px; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; background: #fff; font-size: 1.5rem; cursor: pointer; }
.setting-row { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: center; padding: 20px 0; border-top: 1px solid var(--line); }
.setting-row strong { display: block; }
.setting-row p { margin: 4px 0 0; color: var(--muted); font-size: .86rem; }
.setting-row input { width: 22px; height: 22px; accent-color: var(--blue); }
.always-on { color: #217848; font-size: .76rem; font-weight: 800; }
.privacy-card { overflow: auto; max-height: calc(100vh - 40px); }
.privacy-card > p:not(.eyebrow) { color: var(--muted); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

[dir="rtl"] .button-icon { transform: scaleX(-1); }
[dir="rtl"] .modal-close { right: auto; left: 18px; }

@media (max-width: 1080px) {
  :root { --header-height: 76px; }
  .header-inner { grid-template-columns: 1fr auto auto; gap: 18px; min-height: var(--header-height); }
  .brand { width: 176px; }
  .menu-toggle { display: block; order: 3; }
  .main-nav { position: fixed; top: var(--header-height); right: 0; left: 0; height: auto; display: grid; gap: 0; padding: 12px 24px 24px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 35px rgba(28,58,89,.12); transform: translateY(-130%); opacity: 0; pointer-events: none; transition: .24s ease; }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { display: block; padding: 13px 0; border-bottom: 1px solid var(--soft-line); }
  .main-nav a::after { display: none; }
  .language-switcher { justify-self: end; padding: 9px 12px; font-size: .85rem; }
  .hero-grid { grid-template-columns: 1fr .62fr; min-height: 610px; }
  .hero-product { height: 450px; }
  .hero-product img { width: 210px; max-height: 430px; }
  .metric { padding: 18px; }
  .metric-icon { width: 48px; height: 48px; }
  .metric .icon { width: 23px; height: 23px; }
  .section { padding-block: 90px; }
  .split-layout, .contact-layout { gap: 48px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(3) { border-inline-start: 0; border-top: 1px solid var(--line); }
  .step:nth-child(4) { border-top: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 30px), var(--container)); }
  .site-header, .header-inner { min-height: 70px; }
  :root { --header-height: 70px; }
  .header-inner { grid-template-columns: 1fr auto; }
  .brand { width: 150px; }
  .language-switcher { position: fixed; z-index: 102; top: calc(var(--header-height) + 250px); left: 15px; right: 15px; display: none; justify-content: center; background: #f7fafe; }
  .language-switcher.mobile-open { display: flex; }
  .menu-toggle { order: initial; }
  .hero { min-height: auto; }
  .hero-background { opacity: .65; background-position: 70% center; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-block: 70px 44px; }
  .hero-copy { position: relative; z-index: 4; }
  h1 { font-size: clamp(3rem, 14vw, 4.6rem); }
  .hero-product { height: 370px; align-self: center; }
  .hero-product img { width: 185px; max-height: 360px; }
  .metric-strip { position: relative; inset: auto; transform: none; grid-template-columns: 1fr; margin-bottom: 24px; }
  .metric + .metric { border-inline-start: 0; border-top: 1px solid var(--line); }
  .metric { min-height: 100px; }
  .section { padding-block: 72px; }
  .split-layout, .contact-layout, .faq-layout { grid-template-columns: 1fr; gap: 54px; }
  .product-visual { order: 2; }
  .image-frame, .image-frame img { min-height: 310px; }
  .parameter-grid { grid-template-columns: repeat(2, 1fr); }
  .check-list, .form-grid { grid-template-columns: 1fr; }
  .card-grid, .document-grid { grid-template-columns: 1fr; }
  .application-card { min-height: auto; }
  .card-icon { margin-bottom: 35px; }
  .steps { grid-template-columns: 1fr; }
  .step { min-height: 230px; }
  .step + .step, .step:nth-child(3) { border-inline-start: 0; border-top: 1px solid var(--line); }
  .step-number { margin-bottom: 36px; }
  .safety-panel { grid-template-columns: 1fr; gap: 30px; padding: 28px; }
  .limits { padding-inline-start: 0; padding-top: 26px; border-inline-start: 0; border-top: 1px solid #ebc8c1; }
  .contact-copy { position: static; }
  .contact-form { padding: 27px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: auto; }
  .cookie-banner { grid-template-columns: 1fr; inset-inline: 12px; inset-block-end: 12px; gap: 16px; }
  .cookie-actions { display: grid; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .button-row { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-lead { font-size: 1.05rem; }
  .metric { gap: 13px; }
  .metric-icon { width: 45px; height: 45px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { display: block; }
  .cookie-actions { grid-template-columns: 1fr; }
  .modal-card { padding: 30px 22px; }
}

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

@media print {
  .site-header, .button-row, .cookie-banner, .site-footer, .contact-form { display: none !important; }
  .section { padding-block: 30px; }
  .reveal { opacity: 1; transform: none; }
}