:root {
  --ink: #17191d;
  --muted: #5d626b;
  --paper: #f6f5f2;
  --white: #fff;
  --line: #d9d8d4;
  --red: #c51620;
  --red-dark: #951018;
  --dark: #202329;
  --max: 1180px;
  --shadow: 0 18px 50px rgba(23, 25, 29, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.7 "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 16px; background: var(--white); }
.skip-link:focus { top: 12px; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(246,245,242,.94); border-bottom: 1px solid rgba(23,25,29,.12); backdrop-filter: blur(14px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; min-width: 190px; }
.brand img { width: 92px; height: 56px; object-fit: contain; }
.brand-copy { border-left: 1px solid var(--line); padding-left: 13px; font-size: 12px; line-height: 1.35; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { text-decoration: none; font-weight: 650; font-size: 14px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--red); }
.language { border-left: 1px solid var(--line); padding-left: 24px; }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; border: 1px solid var(--line); background: var(--white); color: var(--ink); cursor: pointer; }
.eyebrow { margin: 0 0 18px; color: var(--red); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.025em; }
h1 { font-size: clamp(42px, 7vw, 86px); max-width: 12ch; }
h2 { font-size: clamp(31px, 4.2vw, 54px); }
h3 { font-size: 22px; }
.lead { max-width: 650px; font-size: clamp(18px, 2vw, 22px); color: #383c43; }
.fine { font-size: 13px; line-height: 1.55; color: var(--muted); }
.section { padding: 96px 0; }
.section-dark { color: var(--white); background: var(--dark); }
.section-dark .lead, .section-dark .fine { color: #c8cbd0; }
.section-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 54px; align-items: end; margin-bottom: 48px; }
.hero { position: relative; overflow: hidden; padding: 68px 0 88px; background: linear-gradient(130deg, #fbfaf7 0 61%, #e8e6e1 61% 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(23,25,29,.07) 1px, transparent 1px), linear-gradient(90deg,rgba(23,25,29,.07) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg,#000,transparent 65%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 52px; align-items: center; }
.hero h1 em { color: var(--red); font-style: normal; }
.hero-copy .lead { margin: 25px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 11px 20px; border: 1px solid var(--ink); text-decoration: none; font-weight: 750; }
.button-primary { color: var(--white); border-color: var(--red); background: var(--red); }
.button-primary:hover { background: var(--red-dark); }
.button-ghost:hover { background: var(--white); }
.visual-card { position: relative; min-height: 520px; background: #08090b; box-shadow: var(--shadow); overflow: hidden; }
.visual-card img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; object-position: 50% 50%; }
.visual-label { position: absolute; left: 0; bottom: 0; width: min(82%,390px); padding: 20px 24px; color: var(--white); background: rgba(197,22,32,.94); }
.visual-label strong { display: block; font-size: 21px; }
.visual-label span { font-size: 13px; opacity: .86; }
.proof-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.proof-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.proof-item { min-height: 128px; padding: 24px 28px; border-right: 1px solid var(--line); }
.proof-item:last-child { border-right: 0; }
.proof-item span { display: block; color: var(--red); font-weight: 800; letter-spacing: .12em; font-size: 12px; }
.proof-item strong { display: block; margin-top: 8px; font-size: 20px; }
.cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.card { min-height: 280px; padding: 30px; border: 1px solid var(--line); background: var(--white); display: flex; flex-direction: column; }
.card-number { color: var(--red); font-weight: 850; letter-spacing: .12em; }
.card p { color: var(--muted); }
.card-link { margin-top: auto; color: var(--red); font-weight: 750; text-decoration: none; }
.card-link::after { content: "  →"; }
.feature-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.feature-image { background: #08090b; min-height: 590px; overflow: hidden; }
.feature-image img { width: 100%; height: 590px; object-fit: cover; object-position: 50% 45%; }
.ticks { list-style: none; padding: 0; margin: 30px 0 0; border-top: 1px solid #454950; }
.ticks li { position: relative; padding: 18px 0 18px 31px; border-bottom: 1px solid #454950; }
.ticks li::before { content: "+"; position: absolute; left: 0; color: var(--red); font-size: 22px; font-weight: 850; }
.page-hero { padding: 82px 0 64px; background: var(--dark); color: var(--white); }
.page-hero .lead { color: #c8cbd0; }
.breadcrumbs { margin-bottom: 30px; font-size: 13px; color: #bfc2c7; }
.breadcrumbs a { color: inherit; }
.page-hero h1 { max-width: 14ch; }
.content-grid { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(280px,.55fr); gap: 70px; align-items: start; }
.content-grid h2 { margin-bottom: 24px; }
.content-grid p { color: var(--muted); }
.aside { position: sticky; top: 116px; padding: 26px; border-top: 5px solid var(--red); background: var(--white); box-shadow: var(--shadow); }
.aside dl { margin: 20px 0 0; }
.aside dt { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.aside dd { margin: 3px 0 18px; font-weight: 700; }
.aside .button { width: 100%; }
.capabilities { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 36px 0; background: var(--line); border: 1px solid var(--line); }
.capability { min-height: 150px; padding: 24px; background: var(--white); }
.capability strong { display: block; margin-bottom: 8px; }
.capability span { color: var(--muted); font-size: 14px; }
.product-shot { margin: 42px 0; background: #08090b; }
.product-shot img { width: 100%; max-height: 750px; object-fit: contain; }
.notice { margin: 28px 0; padding: 20px 22px; border-left: 4px solid var(--red); background: #eceae5; color: #444850; }
.process { counter-reset: step; display: grid; gap: 14px; margin: 42px 0; }
.process article { counter-increment: step; display: grid; grid-template-columns: 72px 1fr; gap: 24px; padding: 28px; background: var(--white); border: 1px solid var(--line); }
.process article::before { content: "0" counter(step); color: var(--red); font-size: 34px; font-weight: 850; line-height: 1; }
.process p { margin-bottom: 0; }
.download-card { padding: 32px; color: var(--white); background: var(--dark); }
.download-card p { color: #c8cbd0; }
.download-card .button { color: var(--white); border-color: #737780; }
.download-card .button:hover { border-color: var(--white); }
.contact-band { padding: 72px 0; color: var(--white); background: var(--red); }
.contact-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: center; }
.contact-band h2 { max-width: 14ch; }
.contact-number { justify-self: end; text-align: right; }
.contact-number span { display: block; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; opacity: .8; }
.contact-number a { display: block; font-size: clamp(28px,4vw,48px); font-weight: 850; text-decoration: none; }
.site-footer { padding: 44px 0; color: #c8cbd0; background: #131519; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; }
.footer-grid p { margin: 7px 0 0; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13px; }
.footer-links a { color: inherit; }
.not-found { min-height: 72vh; display: grid; place-items: center; padding: 80px 20px; text-align: center; }
.not-found strong { display: block; color: var(--red); font-size: clamp(80px,18vw,180px); line-height: 1; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav { display: none; position: absolute; left: 0; top: 82px; width: 100%; padding: 18px 20px 24px; align-items: stretch; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav[data-open="true"] { display: flex; }
  .nav a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
  .language { border-left: 0; padding-left: 0; }
  .hero-grid, .feature-layout, .content-grid { grid-template-columns: 1fr; }
  .hero { background: linear-gradient(180deg,#fbfaf7 0 67%,#e8e6e1 67% 100%); }
  .visual-card, .visual-card img { min-height: 460px; }
  .section-head { grid-template-columns: 1fr; gap: 20px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .aside { position: static; }
}
@media (max-width: 620px) {
  .wrap { width: min(calc(100% - 30px),var(--max)); }
  .header-inner { min-height: 72px; }
  .brand img { width: 74px; height: 46px; }
  .brand-copy { display: none; }
  .nav { top: 72px; }
  .hero { padding: 48px 0 62px; }
  h1 { font-size: clamp(38px,13vw,56px); }
  .section { padding: 70px 0; }
  .visual-card, .visual-card img { min-height: 390px; }
  .proof-grid, .cards, .capabilities, .contact-inner, .footer-grid { grid-template-columns: 1fr; }
  .proof-item { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-item:last-child { border-right: 0; border-bottom: 0; }
  .card { min-height: 230px; }
  .feature-image, .feature-image img { height: 470px; min-height: 470px; }
  .process article { grid-template-columns: 52px 1fr; gap: 12px; padding: 22px 18px; }
  .contact-number { justify-self: start; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}