:root {
  --ink: #101827;
  --muted: #647084;
  --blue: #0864d9;
  --blue-dark: #073b87;
  --cyan: #50d5ff;
  --coral: #ff6b4a;
  --paper: #ffffff;
  --wash: #f3f7fc;
  --line: #dfe7f1;
  --radius: 1.25rem;
  --shadow: 0 18px 55px rgba(16, 24, 39, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.55; }
a { color: inherit; }
button, input { font: inherit; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 20; padding: .65rem 1rem; background: var(--ink); color: white; border-radius: .5rem; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { height: 84px; max-width: 1280px; margin: 0 auto; padding: 0 4vw; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px 14px 14px 4px; color: white; background: linear-gradient(145deg, var(--blue), var(--blue-dark)); font-weight: 900; font-size: 1.25rem; box-shadow: 0 8px 22px rgba(8,100,217,.24); }
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: .75rem; }
.site-header nav { display: flex; gap: 2rem; }
.site-header nav a { text-decoration: none; font-weight: 700; font-size: .92rem; }
.site-header nav a:hover { color: var(--blue); }
.review-chip { padding: .5rem .85rem; border-radius: 999px; background: #e8f7ee; color: #197344; font-weight: 800; font-size: .78rem; }

.intro { position: relative; overflow: hidden; min-height: 560px; padding: 5rem max(4vw, calc((100vw - 1180px)/2)); display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 5vw; background: radial-gradient(circle at 85% 15%, rgba(80,213,255,.38), transparent 28%), linear-gradient(135deg, #f4f9ff 0%, #edf5ff 55%, #dcecff 100%); }
.intro::before { content: ""; position: absolute; left: -10rem; bottom: -14rem; width: 28rem; height: 28rem; border: 1px solid rgba(8,100,217,.15); border-radius: 50%; }
.eyebrow { margin: 0 0 .65rem; color: var(--blue); font-size: .78rem; line-height: 1.3; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.04em; }
h1 { max-width: 700px; margin-bottom: 1.25rem; font-size: clamp(2.8rem, 5.5vw, 5.4rem); }
h2 { margin-bottom: .4rem; font-size: clamp(2rem, 3vw, 3rem); }
h3 { font-size: 1.12rem; }
.intro-copy > p:not(.eyebrow) { max-width: 620px; color: var(--muted); font-size: 1.12rem; }
.intro-actions { margin-top: 2rem; display: flex; gap: .8rem; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1.1rem; border-radius: .75rem; text-decoration: none; font-weight: 850; }
.button.primary { color: white; background: var(--blue); box-shadow: 0 12px 28px rgba(8,100,217,.24); }
.button.secondary { background: rgba(255,255,255,.8); border: 1px solid rgba(8,100,217,.18); }
.assurance-row { margin: 2rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1rem; list-style: none; color: #33445b; font-size: .86rem; font-weight: 750; }
.assurance-row span { color: var(--blue); }
.feature-showcase { position: relative; min-height: 390px; display: grid; place-items: center; }
.feature-showcase img { position: relative; z-index: 2; width: min(88%, 520px); max-height: 370px; object-fit: contain; mix-blend-mode: multiply; filter: drop-shadow(0 28px 35px rgba(20,50,80,.18)); }
.feature-orbit { position: absolute; inset: 8% 2% 6% 6%; border: 1px solid rgba(8,100,217,.25); border-radius: 50%; transform: rotate(-8deg); }
.feature-orbit::after { content: ""; position: absolute; top: 8%; right: 8%; width: 18px; height: 18px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 12px rgba(255,107,74,.12); }
.feature-price { position: absolute; z-index: 3; right: 0; bottom: 0; width: 190px; padding: 1rem 1.1rem; border-radius: 1rem; background: rgba(255,255,255,.9); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.feature-price span, .feature-price small { display: block; color: var(--muted); font-size: .72rem; }
.feature-price strong { display: block; color: var(--blue); font-size: 1.35rem; }

.catalog-section, .assurance-section { max-width: 1280px; margin: 0 auto; padding: 5rem 4vw; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; }
.section-heading > p { max-width: 430px; color: rgba(255,255,255,.68); }
.search-box { width: min(360px, 100%); display: flex; align-items: center; gap: .5rem; padding: .6rem .9rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--paper); }
.search-box:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(8,100,217,.1); }
.search-box input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; }
.filter-row { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .55rem; }
.filter-button { border: 1px solid var(--line); border-radius: 999px; padding: .55rem .95rem; color: #42516a; background: var(--paper); cursor: pointer; font-weight: 750; }
.filter-button[aria-pressed="true"] { color: white; border-color: var(--ink); background: var(--ink); }
.catalog-status { margin: 1.25rem 0; display: flex; justify-content: space-between; color: var(--muted); font-size: .85rem; }
.sync-status { padding-left: 1.05rem; position: relative; }
.sync-status::before { content: ""; position: absolute; left: 0; top: .35rem; width: .58rem; height: .58rem; border-radius: 50%; background: #e2a22b; }
.sync-status.live::before { background: #26a65b; }
.sync-status.fallback::before { background: #647084; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.product-card { min-width: 0; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--paper); transition: transform .18s ease, box-shadow .18s ease; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-media { position: relative; height: 250px; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg, #f7faff, #e7f1ff); }
.product-media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.product-placeholder { display: grid; place-items: center; width: 112px; height: 112px; border-radius: 34px; color: var(--blue); background: white; border: 1px solid #dbeaff; box-shadow: 0 18px 45px rgba(8,100,217,.14); font-size: 2.5rem; }
.badge { position: absolute; top: .8rem; left: .8rem; padding: .32rem .62rem; border-radius: 999px; color: #0e4778; background: rgba(255,255,255,.9); font-size: .7rem; font-weight: 850; }
.product-body { padding: 1.15rem; display: flex; flex: 1; flex-direction: column; }
.product-brand { margin: 0 0 .25rem; color: var(--blue); font-size: .73rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.product-body h3 { margin-bottom: .55rem; }
.model { margin: -.25rem 0 .6rem; color: var(--muted); font-size: .75rem; }
.product-summary { margin: 0 0 1rem; color: var(--muted); font-size: .9rem; }
.price-row { margin-top: auto; display: flex; align-items: end; gap: .65rem; }
.price { font-size: 1.22rem; font-weight: 900; }
.compare { color: #8c96a7; font-size: .8rem; text-decoration: line-through; }
.details-button { margin-left: auto; border: 0; padding: .55rem .75rem; border-radius: .65rem; color: var(--blue); background: #eef6ff; cursor: pointer; font-weight: 850; }

.services-section { padding: 5rem max(4vw, calc((100vw - 1180px)/2)); color: white; background: #0d2441; }
.section-heading.light .eyebrow { color: var(--cyan); }
.service-grid { margin-top: 2.5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.12); }
.service-card { min-height: 290px; padding: 1.5rem; background: #0d2441; }
.service-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; color: var(--cyan); background: rgba(80,213,255,.1); font-size: 1.45rem; }
.service-card h3 { margin: 1.1rem 0 .55rem; }
.service-card p { color: rgba(255,255,255,.65); font-size: .9rem; }
.service-card ul { margin: .85rem 0 0; padding-left: 1.1rem; color: rgba(255,255,255,.8); font-size: .82rem; }
.service-price { display: inline-block; margin-top: 1rem; color: var(--cyan); font-weight: 900; }

.assurance-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 4rem; }
.assurance-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.assurance-cards article { padding: 1.25rem; border-top: 3px solid var(--blue); background: var(--wash); }
.assurance-cards span { color: var(--blue); font-size: .75rem; font-weight: 900; }
.assurance-cards h3 { margin: .8rem 0 .5rem; }
.assurance-cards p { margin: 0; color: var(--muted); font-size: .86rem; }
footer { padding: 2rem 4vw; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 2rem; color: var(--muted); background: #f4f7fb; font-size: .78rem; }
.compact .brand-mark { width: 34px; height: 34px; border-radius: 11px 11px 11px 3px; font-size: 1rem; }

dialog { width: min(620px, calc(100% - 2rem)); max-height: calc(100vh - 2rem); border: 0; border-radius: 1.25rem; padding: 0; box-shadow: 0 30px 100px rgba(3,16,35,.35); }
dialog::backdrop { background: rgba(5,17,33,.68); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; z-index: 2; top: .85rem; right: .85rem; width: 40px; height: 40px; border: 0; border-radius: 50%; background: rgba(255,255,255,.92); cursor: pointer; font-size: 1.45rem; }
.dialog-product { padding: 2rem; }
.dialog-product .eyebrow { padding-right: 2.5rem; }
.dialog-product h2 { padding-right: 2.5rem; }
.dialog-product ul { padding-left: 1.1rem; }
.dialog-note { margin-top: 1.25rem; padding: .85rem; border-radius: .75rem; color: #42516a; background: var(--wash); font-size: .82rem; }

@media (max-width: 900px) {
  .site-header nav { display: none; }
  .intro { grid-template-columns: 1fr; padding-top: 3.5rem; }
  .feature-showcase { min-height: 330px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .assurance-section { grid-template-columns: 1fr; gap: 2rem; }
  footer { grid-template-columns: 1fr; gap: .6rem; }
}

@media (max-width: 620px) {
  .site-header { height: 72px; padding-inline: 1rem; }
  .review-chip { display: none; }
  .intro, .catalog-section, .assurance-section, .services-section { padding: 3.5rem 1rem; }
  h1 { font-size: clamp(2.45rem, 13vw, 3.45rem); }
  .intro-actions { flex-direction: column; align-items: stretch; }
  .feature-showcase { min-height: 270px; }
  .feature-price { right: .25rem; }
  .section-heading { align-items: stretch; flex-direction: column; gap: 1rem; }
  .search-box { width: 100%; }
  .product-grid, .service-grid, .assurance-cards { grid-template-columns: 1fr; }
  .product-media { height: 230px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}