:root {
  --red: #a70d22;
  --red-bright: #d21734;
  --ink: #131519;
  --ink-2: #20242b;
  --steel: #68717d;
  --muted: #727985;
  --line: #e4e6e9;
  --soft: #f4f5f6;
  --white: #ffffff;
  --shell: min(1180px, calc(100vw - 48px));
  --header-height: 112px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body:not(.ready) { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; width: 100%; }
.shell { width: var(--shell); margin-inline: auto; }

.loading-screen { position: fixed; inset: 0; z-index: 2000; display: grid; place-content: center; gap: 24px; background: #101216; transition: opacity .55s ease, visibility .55s ease; }
body.ready .loading-screen { opacity: 0; visibility: hidden; pointer-events: none; }
.loading-mark { width: 76px; height: 76px; overflow: hidden; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; background: #e8e8e5; box-shadow: 0 14px 40px rgba(0,0,0,.35); }
.loading-mark img { width: 100%; height: 100%; object-fit: cover; }
.loading-line { width: 120px; height: 2px; overflow: hidden; background: rgba(255,255,255,.12); }
.loading-line i { display: block; width: 50%; height: 100%; background: var(--red-bright); animation: load 1s ease-in-out infinite; }
@keyframes load { from { transform: translateX(-110%); } to { transform: translateX(220%); } }

.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; color: #fff; transition: box-shadow .3s ease; }
.topbar { height: 36px; background: var(--red); font-size: 12px; }
.topbar-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.topbar-inner p { margin: 0; opacity: .86; }
.topbar-contact { display: flex; align-items: center; gap: 24px; }
.topbar-contact a { display: flex; gap: 7px; align-items: center; opacity: .9; transition: opacity .2s; }
.topbar-contact a:hover { opacity: 1; }
.topbar-contact svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.nav-wrap { height: 76px; background: rgba(18,20,24,.97); border-bottom: 1px solid rgba(255,255,255,.08); transition: height .3s var(--ease), background .3s ease; }
.scrolled .nav-wrap { height: 66px; background: rgba(18,20,24,.985); box-shadow: 0 15px 40px rgba(0,0,0,.14); }
.scrolled .topbar { height: 0; overflow: hidden; }
.topbar { transition: height .3s var(--ease); }
.nav-inner { height: 100%; display: flex; align-items: center; }
.brand { flex: 0 0 265px; display: flex; align-items: center; gap: 12px; }
.brand-mark { flex: 0 0 54px; width: 54px; height: 54px; overflow: hidden; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; background: #e8e8e5; box-shadow: 0 7px 18px rgba(0,0,0,.32); }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 19px; letter-spacing: .08em; }
.brand-copy small { margin-top: 6px; color: rgba(255,255,255,.48); font: 600 9px/1.2 Arial, sans-serif; letter-spacing: .13em; }
.main-nav { height: 100%; display: flex; align-items: stretch; justify-content: center; flex: 1; }
.main-nav a { position: relative; display: grid; place-items: center; padding-inline: 18px; color: rgba(255,255,255,.7); font-size: 14px; transition: color .25s ease; }
.main-nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 0; height: 3px; background: var(--red-bright); transition: left .3s var(--ease), right .3s var(--ease); }
.main-nav a:hover, .main-nav a.active { color: #fff; }
.main-nav a.active::after { left: 18px; right: 18px; }
.header-phone { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; padding-left: 22px; border-left: 1px solid rgba(255,255,255,.12); }
.header-phone svg { width: 25px; height: 25px; stroke: var(--red-bright); fill: none; stroke-width: 1.7; }
.header-phone span { display: grid; line-height: 1.25; }
.header-phone small { color: rgba(255,255,255,.46); font-size: 10px; }
.header-phone strong { font: 700 18px/1.2 Arial, sans-serif; letter-spacing: .02em; }
.menu-toggle { display: none; }

.hero { position: relative; height: min(780px, 82vh); min-height: 650px; overflow: hidden; color: #fff; background: var(--ink); }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide { visibility: hidden; opacity: 0; transition: opacity .8s ease, visibility .8s ease; }
.hero-slide.active { visibility: visible; opacity: 1; }
.hero-slide > img { position: absolute; inset: 0; height: 100%; object-fit: cover; object-position: center; transform: scale(1.04); transition: transform 7s linear; }
.hero-slide.active > img { transform: scale(1); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,13,16,.94) 0%, rgba(11,13,16,.74) 38%, rgba(11,13,16,.2) 70%, rgba(11,13,16,.12) 100%), linear-gradient(0deg, rgba(11,13,16,.34), transparent 45%); }
.hero-shade::after { content: ""; position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, #000, transparent 70%); }
.hero-copy { position: relative; z-index: 2; height: 100%; display: flex; align-items: center; padding-top: var(--header-height); }
.hero-copy-inner { width: min(670px, 60vw); transform: translateY(30px); opacity: 0; transition: transform .75s .2s var(--ease), opacity .6s .2s ease; }
.active .hero-copy-inner { transform: translateY(0); opacity: 1; }
.eyebrow { margin: 0 0 17px; color: var(--red-bright); font: 700 12px/1.3 Arial, sans-serif; letter-spacing: .22em; text-transform: uppercase; }
.hero .eyebrow { color: #ff5b70; }
.hero h1 { max-width: 700px; margin: 0; font-size: clamp(42px, 4.6vw, 70px); line-height: 1.14; letter-spacing: -.035em; text-wrap: balance; }
.hero-description { max-width: 610px; margin: 25px 0 0; color: rgba(255,255,255,.7); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 35px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 0 25px; border: 1px solid transparent; font-size: 14px; font-weight: 650; transition: transform .25s var(--ease), background .25s ease, border-color .25s ease; }
.button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button:hover { transform: translateY(-3px); }
.button.primary { color: #fff; background: var(--red); box-shadow: 0 14px 35px rgba(167,13,34,.25); }
.button.primary:hover { background: var(--red-bright); }
.button.ghost { color: #fff; border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.06); backdrop-filter: blur(8px); }
.button.ghost:hover { border-color: #fff; background: rgba(255,255,255,.12); }
.hero-controls { position: absolute; z-index: 4; left: 50%; bottom: 34px; transform: translateX(-50%); display: flex; justify-content: space-between; align-items: center; }
.hero-dots { display: flex; gap: 22px; }
.hero-dots button { width: 42px; padding: 0 0 8px; color: rgba(255,255,255,.5); border: 0; border-bottom: 1px solid rgba(255,255,255,.22); background: none; cursor: pointer; text-align: left; font: 600 11px/1 Arial, sans-serif; transition: color .25s, width .3s var(--ease), border-color .25s; }
.hero-dots button.active { width: 72px; color: #fff; border-color: var(--red-bright); }
.hero-arrows { display: flex; gap: 8px; }
.hero-arrows button { width: 46px; height: 46px; color: #fff; border: 1px solid rgba(255,255,255,.28); background: rgba(0,0,0,.2); cursor: pointer; transition: background .2s, border-color .2s; }
.hero-arrows button:hover { background: var(--red); border-color: var(--red); }
.hero-progress { position: absolute; z-index: 5; inset: auto 0 0; height: 3px; background: rgba(255,255,255,.1); }
.hero-progress i { display: block; width: 0; height: 100%; background: var(--red-bright); }
.hero-progress i.running { animation: heroProgress var(--duration) linear forwards; }
@keyframes heroProgress { to { width: 100%; } }

.section { padding: 100px 0; }
.section-heading { max-width: 670px; margin: 0 auto 52px; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(31px, 3vw, 43px); line-height: 1.2; letter-spacing: -.02em; }
.section-heading > i { display: block; width: 44px; height: 3px; margin: 20px auto; background: var(--red); }
.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 15px; }
.section-heading.light h2 { color: #fff; }
.section-heading.light > p:last-child { color: rgba(255,255,255,.56); }

.featured { background: #fff; }
.carousel-shell { position: relative; }
.featured-rail { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 72px) / 4); gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.featured-rail::-webkit-scrollbar, .application-rail::-webkit-scrollbar { display: none; }
.featured-card { position: relative; min-width: 0; overflow: hidden; border: 1px solid var(--line); background: #fff; scroll-snap-align: start; transition: transform .35s var(--ease), box-shadow .35s ease, border-color .35s; }
.featured-card:hover { transform: translateY(-8px); border-color: transparent; box-shadow: 0 22px 55px rgba(20,24,30,.13); }
.featured-image { height: 245px; overflow: hidden; background: #f8f8f8; }
.featured-image img { height: 100%; object-fit: contain; transition: transform .65s var(--ease); }
.featured-card:hover img { transform: scale(1.07); }
.featured-copy { position: relative; padding: 22px 22px 24px; border-top: 1px solid var(--line); }
.featured-copy small { color: var(--red); font: 700 9px/1 Arial, sans-serif; letter-spacing: .18em; }
.featured-copy h3 { margin: 8px 42px 0 0; font-size: 18px; }
.featured-copy > span { position: absolute; right: 18px; top: 28px; width: 32px; height: 32px; display: grid; place-items: center; color: var(--red); border: 1px solid var(--line); border-radius: 50%; transition: background .25s, color .25s; }
.featured-copy svg { width: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.featured-card:hover .featured-copy > span { color: #fff; background: var(--red); border-color: var(--red); }
.rail-arrow { position: absolute; z-index: 2; top: 42%; width: 46px; height: 46px; border: 0; color: #fff; background: var(--ink); cursor: pointer; transition: background .2s, transform .2s; }
.rail-arrow:hover { background: var(--red); transform: scale(1.06); }
.rail-prev { left: -23px; }
.rail-next { right: -23px; }

.products { position: relative; overflow: hidden; background: var(--ink); }
.products::before { content: "YC"; position: absolute; right: -30px; top: 40px; color: rgba(255,255,255,.025); font: 900 360px/1 Arial, sans-serif; letter-spacing: -.12em; }
.product-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { position: relative; min-width: 0; background: #fff; overflow: hidden; box-shadow: 0 15px 35px rgba(0,0,0,.14); transition-delay: var(--delay); }
.product-number { position: absolute; z-index: 2; top: 18px; right: 20px; color: rgba(20,22,26,.17); font: 800 38px/1 Arial, sans-serif; }
.product-image { height: 270px; overflow: hidden; background: #f7f7f7; }
.product-image img { height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.product-card:hover .product-image img { transform: scale(1.075); }
.product-copy { min-height: 270px; padding: 30px; }
.product-copy small { color: var(--red); font: 700 10px/1 Arial, sans-serif; letter-spacing: .16em; }
.product-copy h3 { margin: 10px 0 13px; font-size: 23px; }
.product-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.product-copy a { display: inline-flex; align-items: center; gap: 12px; margin-top: 22px; color: var(--red); font-size: 13px; font-weight: 700; }
.product-copy a svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; transition: transform .2s; }
.product-copy a:hover svg { transform: translateX(4px); }

.about { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 680px; background: var(--soft); }
.about-media { position: relative; min-height: 600px; overflow: hidden; }
.about-media > img { width: 100%; height: 100%; object-fit: cover; }
.about-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(12,14,18,.5), transparent 50%); }
.about-badge { position: absolute; z-index: 2; right: 0; bottom: 0; width: 215px; height: 145px; display: grid; place-content: center; color: #fff; background: var(--red); }
.about-badge span { font: 900 49px/.9 Arial, sans-serif; letter-spacing: -.08em; }
.about-badge small { margin-top: 12px; font: 600 8px/1 Arial, sans-serif; letter-spacing: .14em; }
.about-copy { display: flex; flex-direction: column; justify-content: center; padding: 80px clamp(45px, 7vw, 120px); }
.about-copy h2 { max-width: 620px; margin: 0 0 25px; font-size: clamp(34px, 3.2vw, 48px); line-height: 1.25; letter-spacing: -.03em; }
.about-text { max-width: 640px; color: var(--muted); font-size: 15px; }
.about-text p { margin: 0 0 12px; }
.about-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 26px 0 32px; }
.about-highlights div { position: relative; padding-top: 17px; border-top: 1px solid #d8dadd; }
.about-highlights i { position: absolute; top: -1px; left: 0; width: 28px; height: 2px; background: var(--red); }
.about-highlights strong, .about-highlights span { display: block; }
.about-highlights strong { margin-bottom: 6px; font-size: 15px; }
.about-highlights span { color: var(--muted); font-size: 12px; line-height: 1.65; }
.about-copy .button { align-self: flex-start; }

.applications { overflow: hidden; background: #fff; }
.application-rail { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 54px) / 4); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.application-card { position: relative; height: 360px; overflow: hidden; background: var(--ink); scroll-snap-align: start; }
.application-card img { height: 100%; object-fit: cover; opacity: .84; transition: transform .8s var(--ease), opacity .4s; }
.application-card::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(10,12,15,.88)); }
.application-card > div { position: absolute; z-index: 2; inset: auto 23px 22px; color: #fff; }
.application-card > div span { color: #ff7082; font: 700 11px/1 Arial, sans-serif; letter-spacing: .16em; }
.application-card h3 { margin: 8px 0 0; font-size: 21px; }
.application-card i { position: absolute; right: 0; bottom: 0; width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; transition: background .25s, border-color .25s; }
.application-card svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.application-card:hover img { transform: scale(1.09); opacity: 1; }
.application-card:hover i { background: var(--red); border-color: var(--red); }
.rail-dots { display: flex; justify-content: center; gap: 8px; margin-top: 26px; }
.rail-dots button { width: 7px; height: 7px; padding: 0; border: 0; border-radius: 10px; background: #c8cbd0; cursor: pointer; transition: width .25s var(--ease), background .25s; }
.rail-dots button.active { width: 28px; background: var(--red); }

.insight { background: var(--soft); }
.insight-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(45px, 7vw, 100px); align-items: center; }
.insight-intro h2 { margin: 0; font-size: clamp(34px, 3.4vw, 48px); line-height: 1.2; }
.insight-intro > p:not(.eyebrow) { color: var(--muted); }
.insight-image { height: 220px; margin-top: 30px; overflow: hidden; background: #fff; }
.insight-image img { height: 100%; object-fit: cover; transition: transform .65s var(--ease); }
.insight-image:hover img { transform: scale(1.05); }
.insight-list { border-top: 1px solid #d8dade; }
.insight-item { display: grid; grid-template-columns: 48px 1fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid #d8dade; transition-delay: var(--delay); }
.insight-item > span { color: var(--red); font: 700 13px/1.5 Arial, sans-serif; }
.insight-item small { color: var(--red); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.insight-item h3 { margin: 5px 0 7px; font-size: 19px; }
.insight-item p { margin: 0; color: var(--muted); font-size: 13px; }

.contact { position: relative; padding: 100px 0; overflow: hidden; color: #fff; background: #15181d; }
.contact-backdrop { position: absolute; inset: 0; opacity: .2; background: radial-gradient(circle at 85% 10%, rgba(210,23,52,.8), transparent 33%), linear-gradient(135deg, transparent 35%, rgba(255,255,255,.05) 35.2%, transparent 35.4%); }
.contact-layout { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.contact-title h2 { margin: 0; font-size: clamp(34px, 3.2vw, 48px); line-height: 1.25; }
.contact-title > p:last-child { color: rgba(255,255,255,.55); }
.contact-cards { display: grid; gap: 12px; }
.contact-card { display: flex; align-items: center; gap: 20px; min-height: 88px; padding: 16px 22px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.045); transition: transform .3s var(--ease), border-color .3s, background .3s; }
.contact-card:hover { transform: translateX(8px); border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.08); }
.contact-card > svg { flex: 0 0 auto; width: 28px; height: 28px; fill: none; stroke: #ff5b70; stroke-width: 1.6; }
.contact-card span { display: grid; }
.contact-card small { color: rgba(255,255,255,.5); font-size: 11px; }
.contact-card strong { font-size: 18px; font-weight: 600; }

.site-footer { color: rgba(255,255,255,.65); background: #0d0f12; }
.footer-main { display: grid; grid-template-columns: 1.1fr .8fr 1.1fr; gap: 80px; padding-top: 65px; padding-bottom: 65px; }
.footer-brand-heading { display: flex; align-items: center; gap: 15px; }
.footer-brand-heading > img { width: 58px; height: 58px; object-fit: cover; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: #e8e8e5; }
.footer-brand strong, .footer-brand small { display: block; color: #fff; }
.footer-brand strong { font-size: 25px; }
.footer-brand small { margin-top: 6px; color: var(--red-bright); font: 700 10px/1 Arial, sans-serif; letter-spacing: .18em; }
.footer-brand p, .footer-contact p { font-size: 13px; }
.site-footer h3 { margin: 0 0 17px; color: #fff; font-size: 15px; }
.footer-nav div { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; }
.footer-nav a, .footer-contact a { font-size: 13px; transition: color .2s; }
.footer-nav a:hover, .footer-contact a:hover { color: #fff; }
.footer-contact { display: grid; align-content: start; }
.footer-contact p { margin-bottom: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }
.footer-bottom > div { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 30px; font-size: 11px; }

.back-to-top { position: fixed; z-index: 800; right: 24px; bottom: 24px; width: 46px; height: 46px; color: #fff; border: 0; background: var(--red); opacity: 0; visibility: hidden; transform: translateY(12px); cursor: pointer; transition: opacity .25s, visibility .25s, transform .25s var(--ease), background .2s; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--red-bright); }
.config-error { position: fixed; z-index: 3000; left: 50%; top: 50%; transform: translate(-50%, -50%); max-width: 440px; padding: 22px 28px; color: #fff; background: var(--red); box-shadow: 0 20px 70px rgba(0,0,0,.3); }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity .7s ease, transform .8s var(--ease); }
.reveal.revealed { opacity: 1; transform: translateY(0); }

@media (max-width: 1050px) {
  :root { --shell: min(100% - 36px, 960px); }
  .brand { flex-basis: 230px; }
  .main-nav a { padding-inline: 11px; font-size: 13px; }
  .header-phone span small { display: none; }
  .featured-rail { grid-auto-columns: calc((100% - 48px) / 3); }
  .application-rail { grid-auto-columns: calc((100% - 36px) / 3); }
  .about { grid-template-columns: 1fr 1fr; }
  .about-copy { padding-inline: 46px; }
  .about-highlights { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  :root { --header-height: 72px; --shell: calc(100% - 32px); }
  .topbar { display: none; }
  .nav-wrap, .scrolled .nav-wrap { height: 72px; }
  .brand { flex: 1; }
  .brand-mark { flex-basis: 47px; width: 47px; height: 47px; }
  .brand-copy strong { font-size: 17px; }
  .header-phone { display: none; }
  .menu-toggle { display: grid; gap: 5px; padding: 10px; border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 25px; height: 2px; background: #fff; transition: transform .25s, opacity .2s; }
  .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { position: absolute; top: 72px; left: 0; right: 0; height: auto; display: grid; padding: 10px 16px 22px; background: rgba(18,20,24,.985); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity .25s, visibility .25s, transform .25s var(--ease); }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav a { justify-content: start; min-height: 48px; padding: 0 8px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .main-nav a::after { display: none; }
  .hero { height: 720px; min-height: 0; }
  .hero-slide > img { object-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(11,13,16,.9), rgba(11,13,16,.4)), linear-gradient(0deg, rgba(11,13,16,.8), transparent 60%); }
  .hero-copy-inner { width: 88%; }
  .hero h1 { font-size: clamp(38px, 9vw, 58px); }
  .hero-description { font-size: 15px; }
  .section { padding: 78px 0; }
  .featured-rail { grid-auto-columns: calc((100% - 24px) / 2); }
  .rail-prev { left: -10px; }
  .rail-next { right: -10px; }
  .product-grid { grid-template-columns: 1fr; max-width: 620px; margin: auto; }
  .product-card { display: grid; grid-template-columns: .82fr 1.18fr; }
  .product-image { height: 100%; min-height: 310px; }
  .product-copy { min-height: 0; }
  .about { grid-template-columns: 1fr; }
  .about-media { min-height: 490px; }
  .about-copy { padding: 70px 32px; }
  .about-highlights { grid-template-columns: repeat(3, 1fr); }
  .application-rail { grid-auto-columns: calc((100% - 18px) / 2); }
  .insight-layout, .contact-layout { grid-template-columns: 1fr; }
  .insight-layout { gap: 48px; }
  .contact-layout { gap: 35px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 45px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom > div { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 15px; gap: 4px; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 26px); }
  .brand { gap: 9px; }
  .brand-copy small { font-size: 8px; }
  .hero { height: 680px; }
  .hero-copy { align-items: flex-end; padding-bottom: 135px; }
  .hero-copy-inner { width: 100%; }
  .hero h1 { font-size: 39px; }
  .hero-description { line-height: 1.75; }
  .hero-actions { flex-wrap: wrap; margin-top: 27px; }
  .button { min-height: 47px; }
  .hero-controls { bottom: 27px; }
  .hero-arrows { display: none; }
  .hero-dots button { width: 32px; }
  .hero-dots button.active { width: 55px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .about-copy h2, .insight-intro h2, .contact-title h2 { font-size: 32px; }
  .featured-rail { grid-auto-columns: 82%; gap: 14px; }
  .featured-image { height: 230px; }
  .rail-arrow { display: none; }
  .product-card { display: block; }
  .product-image { min-height: 0; height: 250px; }
  .product-copy { padding: 25px; }
  .about-media { min-height: 390px; }
  .about-badge { width: 165px; height: 112px; }
  .about-copy { padding: 62px 24px; }
  .about-highlights { grid-template-columns: 1fr; }
  .application-rail { grid-auto-columns: 84%; gap: 14px; }
  .application-card { height: 330px; }
  .insight-item { grid-template-columns: 38px 1fr; gap: 12px; }
  .contact-card { padding-inline: 16px; }
  .contact-card strong { font-size: 15px; overflow-wrap: anywhere; }
  .footer-main { grid-template-columns: 1fr; gap: 35px; padding-block: 52px; }
  .footer-brand { grid-column: auto; }
  .back-to-top { right: 14px; bottom: 14px; }
}

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