:root {
  --navy: #092d58;
  --navy-deep: #061f3f;
  --blue: #0d4ca3;
  --orange: #f59a23;
  --orange-dark: #d9780a;
  --green: #4f7b5b;
  --ink: #142231;
  --muted: #637083;
  --line: #dce3ea;
  --surface: #f4f7fa;
  --white: #ffffff;
  --shadow-sm: 0 8px 24px rgba(8, 38, 73, 0.08), 0 2px 6px rgba(8, 38, 73, 0.06);
  --shadow-lg: 0 28px 70px rgba(8, 38, 73, 0.16), 0 8px 24px rgba(8, 38, 73, 0.08);
  --shell: min(1180px, calc(100% - 48px));
  --section-space: 112px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: 0; }
h1 { margin-bottom: 24px; font-size: clamp(3.15rem, 5.3vw, 5.25rem); font-weight: 800; }
h2 { margin-bottom: 24px; font-size: clamp(2.2rem, 3.5vw, 3.7rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 750; }
p { margin-bottom: 20px; }

.shell { width: var(--shell); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 2000; padding: 10px 16px; color: #fff; background: var(--navy); }
.skip-link:focus { top: 16px; }
.section-label {
  margin-bottom: 14px;
  color: var(--orange-dark);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0;
}
.lead { color: #485568; font-size: 1.1rem; line-height: 1.8; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr); gap: 80px; align-items: end; margin-bottom: 52px; }
.section-heading h2 { max-width: 750px; margin-bottom: 0; }
.section-heading > p { max-width: 500px; margin-bottom: 4px; color: var(--muted); }
.section-heading.light h2, .section-heading.light > p { color: var(--white); }
.section-heading.light .section-label { color: #ffb759; }

.btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.btn svg, .text-link svg, .footer-bottom svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--white); background: var(--orange); box-shadow: 0 12px 28px rgba(245, 154, 35, 0.26); }
.btn-primary:hover { background: var(--orange-dark); box-shadow: 0 16px 34px rgba(217, 120, 10, 0.3); }
.btn-ghost { color: var(--white); border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.06); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.12); }
.btn-ghost svg { fill: currentColor; stroke: none; }
.btn-outline { color: var(--navy); border-color: var(--navy); background: transparent; }
.btn-outline:hover { color: var(--white); background: var(--navy); }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); font-size: 0.88rem; font-weight: 800; }
.text-link svg { transition: transform 180ms ease; }
.text-link:hover svg { transform: translateX(4px); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  color: var(--white);
  background: rgba(6, 31, 63, 0.18);
  border-bottom: 1px solid rgba(255,255,255,0.13);
  transition: color 220ms ease, background 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}
.site-header.is-scrolled { color: var(--ink); background: rgba(255,255,255,0.96); border-color: rgba(9,45,88,0.08); box-shadow: var(--shadow-sm); backdrop-filter: blur(12px); }
.header-inner { width: var(--shell); height: 78px; margin-inline: auto; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; width: 164px; flex: 0 0 auto; align-items: center; }
.brand img { width: 100%; height: auto; filter: brightness(0) invert(1); transition: filter 220ms ease; }
.site-header.is-scrolled .brand img { filter: none; }
.desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.desktop-nav a { position: relative; font-size: 0.79rem; font-weight: 700; }
.desktop-nav a::after { content: ""; position: absolute; right: 0; bottom: -8px; left: 0; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta { padding: 10px 17px; color: var(--navy-deep); background: var(--orange); border-radius: 3px; font-size: 0.78rem; font-weight: 800; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; margin-left: auto; padding: 0; color: inherit; background: transparent; border: 1px solid currentColor; border-radius: 4px; }
.menu-toggle svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.mobile-menu { display: none; }

.hero { position: relative; min-height: 820px; overflow: hidden; color: var(--white); background: linear-gradient(100deg, var(--navy-deep) 0%, var(--navy) 52%, #e9eef3 52.2%, #fff 100%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(135deg, rgba(255,255,255,0.035), transparent 34%); }
.hero-shape { position: absolute; top: 0; left: calc(50% - 90px); width: 280px; height: 100%; background: linear-gradient(110deg, var(--navy) 0%, var(--navy) 45%, transparent 45.5%); transform: skewX(-7deg); transform-origin: top; }
.hero-inner { position: relative; display: grid; min-height: 690px; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 60px; align-items: center; padding-top: 96px; padding-bottom: 56px; }
.hero-copy { position: relative; z-index: 2; max-width: 600px; padding-top: 20px; }
.hero-copy > p:not(.hero-note) { max-width: 620px; color: rgba(255,255,255,0.78); font-size: 1.11rem; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { max-width: 540px; margin-top: 20px; margin-bottom: 0; color: rgba(255,255,255,0.55); font-size: 0.78rem; }
.hero-media { position: relative; z-index: 2; width: min(100%, 650px); margin: 62px 0 0 auto; }
.hero-media img { width: 100%; aspect-ratio: 1.22 / 1; object-fit: contain; mix-blend-mode: multiply; filter: drop-shadow(0 32px 32px rgba(9,45,88,0.18)); }
.hero-media figcaption { position: absolute; right: 4px; bottom: 10px; padding: 8px 12px; color: var(--navy); background: rgba(255,255,255,0.88); border-left: 3px solid var(--orange); font-size: 0.7rem; font-weight: 800; }
.proof-rail { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(4, 1fr); color: var(--ink); background: var(--white); box-shadow: var(--shadow-lg); }
.proof-rail > div { min-height: 112px; display: flex; flex-direction: column; justify-content: center; padding: 22px 30px; border-right: 1px solid var(--line); }
.proof-rail > div:last-child { border-right: 0; }
.proof-rail strong { color: var(--navy); font-size: 1.5rem; line-height: 1.15; }
.proof-rail span { margin-top: 7px; color: var(--muted); font-size: 0.74rem; font-weight: 600; }

.product-overview { padding-top: 160px; }
.split-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 88px; align-items: center; }
.overview-media { position: relative; }
.overview-media::before { content: ""; position: absolute; top: -18px; right: 24px; bottom: 24px; left: -18px; z-index: -1; background: #e8eef3; border-left: 5px solid var(--green); }
.overview-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.media-caption { position: absolute; right: -28px; bottom: -28px; width: min(320px, 72%); padding: 22px 25px; color: var(--white); background: var(--navy); box-shadow: var(--shadow-sm); }
.media-caption span, .media-caption strong { display: block; }
.media-caption span { margin-bottom: 4px; color: #b9c8d9; font-size: 0.68rem; text-transform: uppercase; }
.media-caption strong { font-size: 0.9rem; }
.overview-copy h2 { font-size: clamp(2.2rem, 3.2vw, 3.4rem); }
.definition-list { margin: 34px 0 0; border-top: 1px solid var(--line); }
.definition-list div { display: grid; grid-template-columns: 108px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.definition-list dt { color: var(--navy); font-size: 0.83rem; font-weight: 800; }
.definition-list dd { margin: 0; color: var(--muted); font-size: 0.89rem; }

.machines-section { background: var(--surface); }
.model-selector { overflow: hidden; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.model-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.model-tab { min-height: 64px; padding: 12px; color: var(--muted); background: var(--white); border: 0; border-right: 1px solid var(--line); font-size: 0.78rem; font-weight: 800; }
.model-tab:last-child { border-right: 0; }
.model-tab.is-active { color: var(--white); background: var(--navy); }
.model-tab:focus-visible { outline: 3px solid rgba(245,154,35,0.35); outline-offset: -3px; }
.model-stage { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr); min-height: 500px; }
.model-visual { display: grid; place-items: center; min-width: 0; padding: 44px; background: linear-gradient(145deg, #fff, #edf2f6); }
.model-visual img { width: 100%; height: 400px; object-fit: contain; mix-blend-mode: multiply; transition: opacity 180ms ease, transform 180ms ease; }
.model-visual img.is-changing { opacity: 0; transform: translateY(8px); }
.model-data { display: flex; flex-direction: column; justify-content: center; padding: 54px; color: var(--white); background: var(--navy-deep); }
.model-index { margin-bottom: 36px; color: var(--orange); font-size: 0.72rem; font-weight: 800; }
.model-data h3 { margin-bottom: 16px; font-size: clamp(1.8rem, 2.5vw, 2.7rem); }
.model-data > p { color: #bac8d7; }
.model-data dl { margin: 14px 0 32px; }
.model-data dl div { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.13); }
.model-data dt { color: #aab9c9; font-size: 0.75rem; }
.model-data dd { margin: 0; text-align: right; font-size: 0.86rem; font-weight: 800; }
.model-data .text-link { color: #fff; }
.spec-table-wrap { margin-top: 32px; overflow-x: auto; background: #fff; border: 1px solid var(--line); }
.spec-table { width: 100%; min-width: 920px; border-collapse: collapse; font-size: 0.78rem; }
.spec-table caption { padding: 18px 22px; color: var(--navy); text-align: left; font-weight: 800; background: #fff; border-bottom: 1px solid var(--line); }
.spec-table th, .spec-table td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table thead th { color: #fff; background: var(--navy); font-size: 0.69rem; text-transform: uppercase; }
.spec-table tbody th { color: var(--navy); }
.spec-table tbody tr:last-child th, .spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover { background: #f8fafc; }

.process-section { background: var(--white); }
.process-intro { max-width: 780px; margin-bottom: 66px; }
.process-intro > p:last-child { max-width: 640px; color: var(--muted); }
.process-steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 38px; margin: 0; padding: 0; list-style: none; }
.process-steps::before { content: ""; position: absolute; top: 27px; right: 12%; left: 12%; height: 1px; background: var(--line); }
.process-steps li { position: relative; }
.process-steps li > span { position: relative; z-index: 2; display: grid; width: 54px; height: 54px; place-items: center; margin-bottom: 28px; color: var(--white); background: var(--navy); border: 7px solid #fff; outline: 1px solid var(--line); border-radius: 50%; font-size: 0.67rem; font-weight: 800; }
.process-steps h3 { margin-bottom: 12px; color: var(--navy); }
.process-steps p { color: var(--muted); font-size: 0.86rem; }

.advantages-section { color: var(--white); background: linear-gradient(125deg, var(--navy-deep), #0b3c72 70%, #155448); }
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,0.2); border-left: 1px solid rgba(255,255,255,0.2); }
.advantage-grid article { min-height: 238px; padding: 32px; border-right: 1px solid rgba(255,255,255,0.2); border-bottom: 1px solid rgba(255,255,255,0.2); }
.advantage-grid article > span { color: #ffb759; font-size: 0.68rem; font-weight: 800; }
.advantage-grid h3 { margin: 34px 0 12px; color: var(--white); }
.advantage-grid p { margin-bottom: 0; color: #b9c9da; font-size: 0.86rem; }

.applications-section { background: var(--surface); }
.application-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr); gap: 80px; align-items: center; }
.material-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.material-list span { padding: 8px 12px; color: var(--navy); background: #e1e9f0; border-left: 2px solid var(--orange); font-size: 0.75rem; font-weight: 700; }
.chips-figure { position: relative; margin: 0; }
.chips-figure img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; box-shadow: var(--shadow-lg); }
.chips-figure figcaption { position: absolute; right: 14px; bottom: 14px; padding: 8px 12px; color: #fff; background: rgba(6,31,63,0.88); font-size: 0.7rem; }
.industry-rail { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 72px; border-top: 1px solid #cbd5df; border-left: 1px solid #cbd5df; }
.industry-rail div { min-height: 170px; padding: 24px 22px; border-right: 1px solid #cbd5df; border-bottom: 1px solid #cbd5df; }
.industry-rail strong, .industry-rail span { display: block; }
.industry-rail strong { margin-bottom: 16px; color: var(--navy); font-size: 0.84rem; }
.industry-rail span { color: var(--muted); font-size: 0.75rem; line-height: 1.65; }

.cases-section { background: #fff; }
.video-tabs { display: inline-flex; margin-bottom: 20px; border: 1px solid var(--line); }
.video-tab { min-width: 150px; padding: 10px 16px; color: var(--muted); background: #fff; border: 0; border-right: 1px solid var(--line); font-size: 0.75rem; font-weight: 800; }
.video-tab:last-child { border-right: 0; }
.video-tab.is-active { color: #fff; background: var(--navy); }
.case-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr); background: var(--navy-deep); box-shadow: var(--shadow-lg); }
.video-frame { position: relative; min-width: 0; background: #000; }
.video-frame video { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #000; }
.video-watermark { position: absolute; top: 18px; right: 18px; width: 130px; padding: 7px 10px; background: rgba(255,255,255,0.86); border-radius: 3px; pointer-events: none; }
.video-watermark img { width: 100%; height: auto; }
.case-notes { display: flex; flex-direction: column; justify-content: center; padding: 44px; color: #fff; }
.case-number { color: var(--orange); font-size: 0.68rem; font-weight: 800; }
.case-notes h3 { margin: 26px 0 16px; font-size: 1.85rem; }
.case-notes p, .case-notes li { color: #b9c8d7; font-size: 0.82rem; }
.case-notes ul { margin: 0 0 26px; padding-left: 18px; }
.case-notes .text-link { color: #fff; }

.company-section { padding-top: 0; background: var(--surface); }
.company-band { width: 100%; height: 460px; overflow: hidden; }
.company-band img { width: 100%; height: 100%; object-fit: cover; }
.company-content { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr); gap: 90px; margin-top: -64px; padding: 68px; background: #fff; box-shadow: var(--shadow-lg); }
.company-story p:not(.section-label) { color: var(--muted); }
.company-story .btn { margin-top: 12px; }
.company-facts { display: grid; grid-template-columns: 1fr 1fr; align-content: start; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.company-facts div { min-height: 150px; display: flex; flex-direction: column; justify-content: center; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.company-facts strong { color: var(--navy); font-size: 1.45rem; }
.company-facts span { margin-top: 8px; color: var(--muted); font-size: 0.72rem; line-height: 1.6; }
.team-strip { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 16px; margin-top: 72px; }
.team-strip figure { position: relative; margin: 0; overflow: hidden; }
.team-strip img { width: 100%; height: 310px; object-fit: cover; transition: transform 350ms ease; }
.team-strip figure:hover img { transform: scale(1.025); }
.team-strip figcaption { position: absolute; right: 12px; bottom: 12px; left: 12px; padding: 10px 12px; color: #fff; background: rgba(6,31,63,0.86); font-size: 0.72rem; font-weight: 700; }

.credentials-section { background: #fff; }
.certificate-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.certificate-grid figure { margin: 0; padding: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.certificate-grid img { width: 100%; height: 320px; object-fit: contain; background: #fff; }
.certificate-grid figcaption { padding-top: 15px; color: var(--navy); font-size: 0.76rem; font-weight: 800; text-align: center; }

.faq-section { background: var(--surface); }
.faq-layout { display: grid; grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr); gap: 88px; align-items: start; }
.faq-intro { position: sticky; top: 112px; }
.faq-intro > p:not(.section-label) { color: var(--muted); }
.faq-list { border-top: 1px solid #cfd8e1; }
.faq-list details { border-bottom: 1px solid #cfd8e1; }
.faq-list summary { position: relative; display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 54px 18px 0; color: var(--navy); cursor: pointer; list-style: none; font-size: 0.9rem; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span::before, .faq-list summary span::after { content: ""; position: absolute; top: 50%; right: 10px; width: 16px; height: 2px; background: var(--navy); transition: transform 180ms ease; }
.faq-list summary span::after { transform: rotate(90deg); }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 700px; margin: -4px 54px 22px 0; color: var(--muted); font-size: 0.84rem; }

.contact-section { padding-block: 112px; color: #fff; background: linear-gradient(125deg, var(--navy-deep), var(--navy) 72%, #154d4c); }
.contact-layout { display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr); gap: 84px; align-items: start; }
.contact-copy .section-label { color: #ffb759; }
.contact-copy > p:not(.section-label) { color: #bac8d7; }
.contact-copy address { margin-top: 44px; font-style: normal; }
.contact-copy address a, .contact-copy address p { display: block; padding: 15px 0; color: #fff; border-top: 1px solid rgba(255,255,255,0.16); font-size: 0.87rem; }
.contact-copy address span { display: block; margin-bottom: 3px; color: #90a6ba; font-size: 0.65rem; font-weight: 800; text-transform: uppercase; }
.quote-form { padding: 38px; color: var(--ink); background: #fff; box-shadow: var(--shadow-lg); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.quote-form label { display: block; margin-bottom: 17px; color: var(--navy); font-size: 0.7rem; font-weight: 800; }
.quote-form input, .quote-form select, .quote-form textarea { width: 100%; margin-top: 7px; padding: 12px 13px; color: var(--ink); background: #f8fafc; border: 1px solid #cfd9e3; border-radius: 2px; font-size: 0.82rem; outline: none; transition: border-color 180ms ease, box-shadow 180ms ease; }
.quote-form input, .quote-form select { height: 46px; }
.quote-form textarea { min-height: 126px; resize: vertical; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(13,76,163,0.12); }
.quote-form [aria-invalid="true"] { border-color: #c13c30; }
.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 4px; }
.form-footer p { max-width: 310px; margin: 0; color: var(--muted); font-size: 0.69rem; }
.form-status { min-height: 24px; margin: 12px 0 0; color: #b22d23; font-size: 0.75rem; }

.site-footer { color: #b8c6d5; background: #04182f; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 0.8fr; gap: 60px; padding-block: 72px; }
.footer-brand img { width: 170px; height: auto; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 320px; margin-top: 24px; font-size: 0.77rem; }
.footer-grid h2 { margin-bottom: 20px; color: #fff; font-size: 0.78rem; }
.footer-grid > div:not(.footer-brand) a { display: block; padding: 5px 0; font-size: 0.72rem; transition: color 180ms ease, transform 180ms ease; }
.footer-grid > div:not(.footer-brand) a:hover { color: #fff; transform: translateX(3px); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 20px; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-bottom p, .footer-bottom a { margin: 0; font-size: 0.67rem; }
.footer-bottom a { display: inline-flex; align-items: center; gap: 8px; color: #fff; }
.footer-bottom svg { width: 15px; height: 15px; }

.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 900; display: grid; width: 58px; height: 58px; place-items: center; color: #fff; background: #25d366; border: 3px solid #fff; border-radius: 50%; box-shadow: 0 12px 30px rgba(0,0,0,0.24); transition: transform 180ms ease, box-shadow 180ms ease; }
.whatsapp-float:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(0,0,0,0.28); }
.whatsapp-float svg { width: 30px; height: 30px; fill: currentColor; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) {
  :root { --shell: min(100% - 40px, 940px); --section-space: 92px; }
  .desktop-nav { gap: 18px; }
  .header-cta { display: none; }
  .hero { min-height: 770px; background: linear-gradient(100deg, var(--navy-deep) 0%, var(--navy) 51%, #edf2f6 51.2%, #fff 100%); }
  .hero-inner { min-height: 640px; gap: 26px; }
  .hero-copy { max-width: 470px; }
  .hero-copy > p:not(.hero-note) { font-size: 0.98rem; }
  .proof-rail > div { padding: 18px; }
  .split-layout, .application-layout { gap: 52px; }
  .model-stage { grid-template-columns: minmax(0, 1fr) 380px; }
  .model-data { padding: 38px; }
  .industry-rail { grid-template-columns: repeat(3, 1fr); }
  .industry-rail div { min-height: 145px; }
  .company-content { gap: 52px; padding: 48px; }
  .certificate-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; gap: 44px; }
  .footer-grid > div:last-child { grid-column: 2 / 4; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; align-items: start; }
  .footer-grid > div:last-child h2 { grid-column: 1 / -1; margin: 0; }
}

@media (max-width: 780px) {
  :root { --shell: min(100% - 30px, 720px); --section-space: 76px; }
  h1 { font-size: clamp(2.8rem, 12vw, 4.1rem); }
  h2 { font-size: clamp(2rem, 8.5vw, 3rem); }
  .site-header { background: rgba(6,31,63,0.92); }
  .header-inner { height: 68px; }
  .brand { width: 145px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu { position: fixed; inset: 68px 0 auto; display: grid; max-height: 0; overflow: hidden; color: #fff; background: var(--navy-deep); opacity: 0; transition: max-height 260ms ease, opacity 180ms ease; }
  .mobile-menu.is-open { max-height: calc(100vh - 68px); opacity: 1; }
  .mobile-menu a { padding: 15px 24px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.86rem; font-weight: 700; }
  .hero { min-height: 900px; background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 60%, #eff3f6 60.2%, #fff 100%); }
  .hero-shape { display: none; }
  .hero-inner { grid-template-columns: 1fr; min-height: 770px; gap: 8px; padding-top: 116px; padding-bottom: 0; }
  .hero-copy { max-width: 650px; padding-top: 0; }
  .hero-copy > p:not(.hero-note) { max-width: 560px; }
  .hero-actions { margin-top: 24px; }
  .hero-media { width: min(100%, 460px); margin: 0 auto; }
  .hero-media img { height: 310px; aspect-ratio: auto; }
  .proof-rail { grid-template-columns: 1fr 1fr; width: calc(100% - 30px); }
  .proof-rail > div { min-height: 88px; border-bottom: 1px solid var(--line); }
  .proof-rail > div:nth-child(2) { border-right: 0; }
  .proof-rail strong { font-size: 1.2rem; }
  .product-overview { padding-top: 130px; }
  .split-layout, .application-layout, .contact-layout, .faq-layout, .company-content { grid-template-columns: 1fr; }
  .split-layout { gap: 76px; }
  .media-caption { right: 12px; bottom: -34px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; margin-bottom: 38px; }
  .section-heading > p { max-width: 650px; }
  .model-tabs { grid-template-columns: 1fr 1fr; }
  .model-tab:nth-child(2) { border-right: 0; }
  .model-tab:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .model-stage { grid-template-columns: 1fr; }
  .model-visual { min-height: 340px; padding: 28px; }
  .model-visual img { height: 300px; }
  .model-data { padding: 36px 28px; }
  .model-index { margin-bottom: 20px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-steps::before { display: none; }
  .advantage-grid { grid-template-columns: 1fr 1fr; }
  .industry-rail { grid-template-columns: 1fr 1fr; }
  .case-layout { grid-template-columns: 1fr; }
  .company-band { height: 330px; }
  .company-content { margin-top: -40px; padding: 38px 28px; }
  .team-strip { grid-template-columns: 1fr 1fr; }
  .team-strip figure:first-child { grid-column: 1 / -1; }
  .team-strip img { height: 260px; }
  .faq-layout { gap: 42px; }
  .faq-intro { position: static; }
  .contact-layout { gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  :root { --shell: calc(100% - 24px); --section-space: 64px; }
  body { font-size: 15px; }
  h1 { margin-bottom: 18px; font-size: clamp(2.45rem, 13vw, 3.35rem); }
  h2 { margin-bottom: 18px; font-size: clamp(1.85rem, 10vw, 2.65rem); }
  .btn { width: 100%; min-height: 50px; }
  .hero { min-height: 890px; }
  .hero-inner { min-height: 735px; padding-top: 102px; }
  .hero-copy > p:not(.hero-note) { font-size: 0.91rem; }
  .hero-actions { display: grid; }
  .hero-note { font-size: 0.69rem; }
  .hero-media img { height: 260px; }
  .hero-media figcaption { display: none; }
  .proof-rail { width: calc(100% - 24px); }
  .proof-rail > div { padding: 14px; }
  .proof-rail span { font-size: 0.65rem; }
  .product-overview { padding-top: 116px; }
  .overview-media::before { top: -10px; bottom: 14px; left: -10px; }
  .media-caption { width: calc(100% - 24px); right: 12px; bottom: -42px; }
  .definition-list div { grid-template-columns: 88px 1fr; gap: 15px; }
  .model-tab { min-height: 56px; font-size: 0.7rem; }
  .model-visual { min-height: 280px; }
  .model-visual img { height: 240px; }
  .model-data dl div { align-items: flex-start; }
  .process-steps { grid-template-columns: 1fr; gap: 24px; }
  .process-steps li { display: grid; grid-template-columns: 52px 1fr; gap: 18px; }
  .process-steps li > span { width: 46px; height: 46px; margin: 0; }
  .advantage-grid, .industry-rail { grid-template-columns: 1fr; }
  .advantage-grid article { min-height: 205px; padding: 26px; }
  .application-layout { gap: 38px; }
  .material-list span { flex: 1 1 calc(50% - 10px); }
  .video-tabs { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .video-tab { min-width: 0; }
  .case-notes { padding: 30px 24px; }
  .video-watermark { top: 10px; right: 10px; width: 96px; }
  .company-band { height: 270px; }
  .company-content { padding: 30px 22px; }
  .company-facts { grid-template-columns: 1fr; }
  .company-facts div { min-height: 110px; }
  .team-strip { grid-template-columns: 1fr; gap: 12px; }
  .team-strip figure:first-child { grid-column: auto; }
  .team-strip img { height: 235px; }
  .certificate-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .certificate-grid figure { padding: 10px; }
  .certificate-grid img { height: 210px; }
  .certificate-grid figcaption { font-size: 0.65rem; }
  .faq-list summary { padding-right: 42px; font-size: 0.82rem; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .quote-form { padding: 26px 20px; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .form-footer .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-brand, .footer-grid > div:last-child { grid-column: auto; }
  .footer-grid > div:last-child { display: block; }
  .footer-grid > div:last-child h2 { margin-bottom: 20px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 54px; height: 54px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}