:root {
  --blue: #0878ee;
  --blue-dark: #075fba;
  --navy: #082e54;
  --yellow: #fbe800;
  --ink: #162337;
  --muted: #68778c;
  --line: #dfe7f0;
  --surface: #f6f9fc;
  --white: #fff;
  --shadow: 0 16px 40px rgba(8, 46, 84, .10);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 82px 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; }
.skip-link { position: fixed; left: 12px; top: -100px; z-index: 1000; padding: 10px 16px; color: #fff; background: var(--navy); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.eyebrow { margin: 0 0 7px; color: var(--blue); font-size: .76rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }

.announcement { color: #dbeeff; background: var(--navy); font-size: .82rem; }
.announcement__inner { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.announcement p { margin: 0; font-weight: 700; letter-spacing: .03em; }
.announcement__links { display: flex; gap: 24px; }
.announcement__links a:hover { color: var(--yellow); }

.site-header { position: sticky; top: 0; z-index: 50; background: #fff; transition: box-shadow .2s ease; }
.site-header.scrolled { box-shadow: 0 8px 28px rgba(8, 46, 84, .12); }
.header-main { min-height: 100px; display: grid; grid-template-columns: 250px minmax(300px, 620px) auto; align-items: center; gap: 40px; }
.brand img { width: 236px; height: 48px; object-fit: contain; object-position: left center; }
.search { display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 10px; min-height: 48px; padding-left: 16px; border: 2px solid var(--blue); border-radius: 13px; overflow: hidden; }
.search svg { width: 20px; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; }
.search input { min-width: 0; border: 0; outline: 0; color: var(--ink); }
.search button { align-self: stretch; min-width: 88px; border: 0; color: #fff; background: var(--blue); font-weight: 800; }
.search button:hover { background: var(--blue-dark); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--navy); border-radius: 2px; }
.primary-nav { color: #fff; background: var(--blue); }
.primary-nav__inner { min-height: 54px; display: flex; align-items: stretch; }
.nav-categories { width: 270px; display: flex; align-items: center; gap: 11px; padding: 0 22px; color: var(--navy); background: var(--yellow); font-weight: 800; }
.nav-categories svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.nav-links { display: flex; align-items: stretch; }
.nav-links a { display: flex; align-items: center; padding: 0 21px; font-size: .91rem; font-weight: 700; }
.nav-links a:hover, .nav-links a.active { color: var(--navy); background: var(--yellow); }

.hero { padding: 28px 0 24px; background: linear-gradient(180deg, #eef6ff, #fff); }
.hero__layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 24px; }
.category-panel { padding: 25px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.category-panel h2 { margin: 0 0 14px; font-size: 1.3rem; }
.category-panel a { display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 9px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: .93rem; font-weight: 650; }
.category-panel a:last-child { border-bottom: 0; }
.category-panel a:hover { color: var(--blue); transform: translateX(3px); }
.category-panel span { font-size: 1.1rem; }
.category-panel b { color: var(--blue); font-size: 1.3rem; }
.hero__banner { position: relative; min-height: 375px; overflow: hidden; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.hero__banner > img { width: 100%; height: 100%; min-height: 375px; object-fit: cover; }
.hero__caption { position: absolute; inset: auto 28px 28px auto; width: min(390px, calc(100% - 56px)); padding: 21px 23px; border: 1px solid rgba(255,255,255,.7); border-radius: 15px; background: rgba(255,255,255,.92); box-shadow: 0 15px 35px rgba(20,27,35,.18); backdrop-filter: blur(8px); }
.hero__caption span { color: var(--blue); font-size: .74rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.hero__caption h1 { margin: 5px 0 5px; font-size: clamp(1.45rem, 2.2vw, 2rem); line-height: 1.12; }
.hero__caption p { margin: 0 0 14px; color: var(--muted); font-size: .88rem; }
.button { display: inline-flex; min-height: 43px; align-items: center; justify-content: center; padding: 0 18px; border-radius: 10px; font-size: .88rem; font-weight: 800; transition: transform .15s, background .15s; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: #fff; background: var(--blue); }
.button--primary:hover { background: var(--blue-dark); }
.button--outline { color: var(--blue); border: 1px solid var(--blue); }

.trust-strip { padding: 22px 0; border-block: 1px solid var(--line); background: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid article { display: flex; align-items: center; gap: 13px; padding: 10px 22px; border-right: 1px solid var(--line); }
.trust-grid article:last-child { border-right: 0; }
.trust-grid article > span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; background: #eaf4ff; font-size: 1.25rem; }
.trust-grid strong, .trust-grid small { display: block; }
.trust-grid strong { font-size: .9rem; }
.trust-grid small { color: var(--muted); font-size: .75rem; }

.marketplace { background: var(--surface); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 31px; }
.section-heading h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.55rem); line-height: 1.1; }
.filter-chips { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.filter-chips button { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #fff; font-size: .78rem; font-weight: 750; }
.filter-chips button:hover, .filter-chips button.active { color: #fff; border-color: var(--blue); background: var(--blue); }
.product-section { margin-top: 42px; }
.product-section[hidden] { display: none; }
.product-section__title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 15px; }
.product-section__title h3 { margin: 0; font-size: 1.25rem; }
.product-section__title span { color: var(--muted); font-size: .78rem; }
.product-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.product-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: #fff; transition: transform .2s, box-shadow .2s; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card[hidden] { display: none; }
.product-card > img { width: 100%; aspect-ratio: 1; object-fit: cover; background: #f0f3f7; }
.product-card__body { padding: 14px; }
.product-card__body > span { display: block; min-height: 29px; color: var(--blue); font-size: .65rem; font-weight: 800; text-transform: uppercase; }
.product-card h4 { min-height: 44px; margin: 3px 0 7px; font-size: .88rem; line-height: 1.35; }
.product-card strong { display: block; margin-bottom: 12px; color: var(--navy); font-size: .94rem; }
.product-card button { width: 100%; min-height: 36px; border: 1px solid var(--blue); border-radius: 8px; color: var(--blue); background: #fff; font-size: .75rem; font-weight: 800; }
.product-card button:hover { color: #fff; background: var(--blue); }
.empty-state { margin: 50px 0 0; padding: 35px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; color: var(--muted); background: #fff; }

.about { position: relative; overflow: hidden; background: var(--navy); color: #fff; }
.about::after { content: ""; position: absolute; right: -140px; bottom: -260px; width: 500px; height: 500px; border-radius: 50%; border: 80px solid rgba(251,232,0,.08); }
.about__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 260px 1fr; align-items: center; gap: 68px; }
.about__mark { display: grid; aspect-ratio: 1; place-items: center; padding: 35px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; background: rgba(255,255,255,.07); }
.about__mark img { max-height: 190px; object-fit: contain; }
.about h2 { margin: 0 0 18px; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.05; }
.about p:not(.eyebrow) { max-width: 760px; color: #c7d6e7; }
.about__actions { display: flex; gap: 12px; margin-top: 28px; }
.about .button--outline { color: #fff; border-color: rgba(255,255,255,.5); }

.info { background: #fff; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.info-grid a { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .2s, box-shadow .2s; }
.info-grid a:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.info-grid span { font-size: 1.8rem; }
.info-grid h3 { margin: 13px 0 7px; }
.info-grid p { min-height: 52px; margin: 0 0 18px; color: var(--muted); font-size: .9rem; }
.info-grid b { color: var(--blue); font-size: .84rem; }

.site-footer { color: #c7d6e7; background: #061f38; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 45px; padding-block: 60px; }
.footer-brand img { width: 225px; height: 52px; object-fit: contain; object-position: left; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 340px; }
.footer-grid h2 { margin: 0 0 18px; color: #fff; font-size: .96rem; }
.footer-grid a { display: block; margin: 9px 0; font-size: .85rem; }
.footer-grid a:hover { color: var(--yellow); }
.footer-grid p { color: #a9bfd3; font-size: .86rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom .container { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-bottom p { margin: 0; font-size: .78rem; }
.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 30; width: 44px; height: 44px; border: 0; border-radius: 12px; color: var(--navy); background: var(--yellow); box-shadow: 0 10px 25px rgba(8,46,84,.25); opacity: 0; pointer-events: none; transform: translateY(10px); transition: .2s; }
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: none; }

@media (max-width: 1050px) {
  .header-main { grid-template-columns: 210px 1fr; gap: 25px; }
  .brand img { width: 205px; }
  .menu-toggle { display: block; justify-self: end; grid-column: 2; grid-row: 1; }
  .search { grid-column: 1 / -1; margin-bottom: 16px; }
  .primary-nav { display: none; }
  .primary-nav.open { display: block; }
  .primary-nav__inner, .nav-links { display: block; }
  .nav-categories { width: 100%; min-height: 50px; }
  .nav-links a { min-height: 48px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .hero__layout { grid-template-columns: 220px 1fr; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1180px); }
  .section { padding: 62px 0; }
  .announcement__links { display: none; }
  .announcement__inner { justify-content: center; }
  .header-main { min-height: 82px; grid-template-columns: 185px 1fr; }
  .brand img { width: 180px; height: 42px; }
  .search { grid-template-columns: 20px 1fr auto; min-height: 45px; }
  .search button { min-width: 70px; }
  .hero { padding-top: 16px; }
  .hero__layout { display: flex; flex-direction: column-reverse; }
  .category-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .category-panel .eyebrow, .category-panel h2 { grid-column: 1 / -1; }
  .category-panel a { min-width: 0; border: 1px solid var(--line); border-radius: 11px; padding: 12px; }
  .hero__banner, .hero__banner > img { min-height: 345px; }
  .hero__banner > img { object-position: center; }
  .hero__caption { inset: auto 14px 14px; width: auto; padding: 17px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid article { border-bottom: 1px solid var(--line); }
  .trust-grid article:nth-child(2) { border-right: 0; }
  .section-heading { align-items: stretch; flex-direction: column; }
  .filter-chips { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
  .filter-chips button { flex: 0 0 auto; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: 35px; }
  .about__mark { width: 190px; }
  .info-grid { grid-template-columns: 1fr; }
  .info-grid p { min-height: auto; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 470px) {
  .header-main { grid-template-columns: 155px 1fr; gap: 12px; }
  .brand img { width: 150px; }
  .category-panel { grid-template-columns: 1fr; }
  .category-panel .eyebrow, .category-panel h2 { grid-column: auto; }
  .hero__banner, .hero__banner > img { min-height: 330px; }
  .hero__banner > img { object-position: 38% center; }
  .hero__caption p { display: none; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid article { border-right: 0; }
  .product-grid { gap: 9px; }
  .product-card__body { padding: 11px; }
  .product-card h4 { font-size: .8rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom .container { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}