:root {
  color-scheme: light;
  --navy: #20275e;
  --ink: #171d36;
  --muted: #505a70;
  --gold: #ffba39;
  --line: #dfe4ee;
  --surface: #f3f5fa;
  font-family: Inter, "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  line-height: 1.65;
  color: var(--ink);
  background: #fff;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 92px; }
body { margin: 0; }
h1, h2, h3, p, dl, dd { margin: 0; }
h1, h2, h3 { line-height: 1.22; letter-spacing: -.048em; word-break: keep-all; }
p, dd, address { word-break: keep-all; overflow-wrap: break-word; }
a { color: inherit; text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid #435db2; outline-offset: 4px; }
img { display: block; max-width: 100%; }
.container { width: min(1120px, calc(100% - 72px)); margin-inline: auto; }
.skip { position: fixed; top: 12px; left: 12px; z-index: 10; padding: 8px 14px; transform: translateY(-180%); background: #fff; }
.skip:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 4; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner, .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.header-inner { min-height: 70px; }
.brand { flex: 0 1 164px; }
.brand img { width: 100%; height: auto; }
.site-header nav { display: flex; align-items: center; gap: clamp(13px, 3vw, 34px); }
.site-header nav a { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; font-size: .92rem; font-weight: 700; text-decoration: none; }
.site-header nav a:hover { color: #435db2; }
.site-header .nav-contact { padding-inline: 15px; color: var(--navy); border: 1px solid var(--line); border-radius: 6px; }

.hero {
  color: #fff;
  background-color: #16223c;
  background-image: linear-gradient(90deg, rgba(13, 20, 42, .95), rgba(13, 20, 42, .73) 37%, rgba(13, 20, 42, .18) 76%), url('road-at-dusk.webp');
  background-position: center, center 68%;
  background-size: cover;
}
.hero-inner { padding-block: 100px 105px; }
.eyebrow { color: var(--gold); font-size: .83rem; letter-spacing: .07em; font-weight: 800; }
.hero h1 { margin-top: 16px; font-size: clamp(2.6rem, 5.7vw, 4.45rem); }
.hero h1 + p { margin-top: 20px; color: #eef2fa; font-size: clamp(.96rem, 1.7vw, 1.11rem); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; min-height: 48px; padding: 10px 17px; border: 1px solid transparent; border-radius: 6px; text-decoration: none; white-space: nowrap; font-weight: 800; font-size: .91rem; }
.button-primary { color: #201808; background: var(--gold); }
.button-primary:hover { background: #ffcc65; }
.button-light { color: #fff; border-color: #c6cfdf; background: #ffffff12; }
.button-light:hover { background: #ffffff2b; }
.button-outline { color: var(--navy); border-color: #c5cde0; background: #fff; }
.button-outline:hover { background: var(--surface); }
.hero a:focus-visible, .contact-box a:focus-visible { outline-color: var(--gold); }

.section { padding-block: 70px; }
.section-heading h2 { font-size: clamp(1.8rem, 3.4vw, 2.55rem); }
.section-heading p { margin-top: 12px; max-width: 59ch; color: var(--muted); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.product-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 11px; text-decoration: none; transition: border-color .16s; }
.product-card:hover { border-color: #7c8db9; }
.card-photo, .detail-photo { display: grid; place-items: center; background: var(--surface); }
.card-photo { min-height: 168px; padding: 20px; }
.card-photo img, .detail-photo img { width: auto; height: 130px; object-fit: contain; mix-blend-mode: multiply; }
.card-content { display: flex; flex-direction: column; flex: 1; gap: 10px; padding: 20px; }
.card-content h3 { font-size: clamp(1.16rem, 2.2vw, 1.36rem); }
.card-content p { color: var(--muted); font-size: .94rem; }
.card-link { display: flex; justify-content: space-between; gap: 10px; padding-top: 10px; margin-top: auto; color: var(--navy); font-size: .88rem; font-weight: 800; }
.product-card:hover .card-link { text-decoration: underline; }

.about { background: var(--surface); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: clamp(26px, 7vw, 100px); padding-block: 64px; }
.service-list > div { display: grid; grid-template-columns: 114px 1fr; gap: 14px; padding: 15px 0; border-top: 1px solid #d4dbe9; }
.service-list > div:last-child { border-bottom: 1px solid #d4dbe9; }
.service-list dt { color: var(--navy); font-weight: 800; }
.service-list dd { color: var(--muted); font-size: .92rem; }
.contact-box { display: flex; justify-content: space-between; align-items: center; gap: 22px; margin-top: 24px; padding: clamp(22px, 4vw, 39px); background: var(--navy); color: #fff; border-radius: 12px; }
.contact-box h3 { font-size: 1.27rem; }
.contact-box h3 span { margin-left: 8px; font-size: .9rem; font-weight: 500; letter-spacing: 0; }
.contact-box address, .contact-extra { margin-top: 10px; font-size: .93rem; font-style: normal; color: #f1f3fc; }
.contact-extra span { display: inline-block; margin-left: 10px; }
.contact-actions { display: grid; justify-items: stretch; gap: 8px; }
.email-link { text-align: center; font-size: .9rem; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 69px; color: var(--muted); font-size: .87rem; }

.product-detail { padding-block: 34px 64px; }
.breadcrumb { display: inline-flex; min-height: 44px; align-items: center; font-size: .92rem; color: var(--navy); }
.product-hero { display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; gap: 24px; margin-top: 16px; padding-bottom: 35px; border-bottom: 1px solid var(--line); }
.product-hero:has(.detail-photo) { grid-template-columns: minmax(0, 1fr) minmax(160px, 34%); }
.product-hero h1 { margin-top: 7px; font-size: clamp(2rem, 5.2vw, 3.55rem); }
.product-hero .eyebrow { color: var(--navy); }
.product-hero p:not(.eyebrow) { max-width: 55ch; margin-top: 14px; color: var(--muted); }
.detail-photo { min-height: 240px; padding: 22px; border-radius: 10px; }
.detail-photo img { height: 176px; }
.detail-photo figcaption { margin-top: 8px; color: var(--muted); font-size: .8rem; text-align: center; }
.detail-photo { margin: 0; }
.specs { margin-top: 34px; }
.specs h2 { font-size: 1.7rem; }
.specs h2 + p { margin-top: 8px; color: var(--muted); }
.model-list { margin-top: 20px; }
.model-list div { display: grid; grid-template-columns: minmax(185px, .6fr) minmax(0, 1.4fr); gap: 12px; padding: 15px 12px; border-top: 1px solid var(--line); }
.model-list div:last-child { border-bottom: 1px solid var(--line); }
.model-list dt { color: var(--navy); font-weight: 800; overflow-wrap: anywhere; }
.model-list dd { color: var(--muted); }
.model-pdf { display: inline-flex; flex-wrap: wrap; gap: 0 10px; margin-inline-start: 8px; font-size: .83rem; font-weight: 700; color: var(--navy); }
.model-pdf a { display: inline-flex; align-items: center; min-height: 28px; }
.detail-note { margin-top: 18px; font-size: .88rem; color: var(--muted); }
.related { display: flex; flex-wrap: wrap; gap: 12px 21px; margin-top: 30px; font-size: .91rem; font-weight: 700; color: var(--navy); }
.related a { display: inline-flex; min-height: 44px; align-items: center; }

@media (max-width: 760px) {
  .container { width: calc(100% - 40px); }
  .hero-inner { padding-block: 72px 80px; }
  .hero { background-image: linear-gradient(90deg, rgba(13, 20, 42, .94), rgba(13, 20, 42, .64) 72%, rgba(13, 20, 42, .38)), url('road-at-dusk.webp'); background-position: center, 73% 68%; }
  .section { padding-block: 47px; }
  .product-grid { grid-template-columns: 1fr; gap: 13px; }
  .product-card:has(.card-photo) { display: grid; grid-template-columns: minmax(84px, 28%) minmax(0, 1fr); }
  .card-photo { min-height: 0; padding: 10px; }
  .card-photo img { max-height: 102px; }
  .card-content { padding: 15px; }
  .about-inner { grid-template-columns: 1fr; padding-block: 44px; }
  .contact-box { flex-direction: column; align-items: stretch; }
  .contact-actions { justify-items: start; }
  .product-hero:has(.detail-photo) { grid-template-columns: minmax(0, 1fr) minmax(120px, 32%); }
}

@media (max-width: 480px) {
  html { scroll-padding-top: 76px; }
  .container { width: calc(100% - 32px); }
  .header-inner { min-height: 62px; gap: 9px; }
  .brand { flex-basis: 110px; }
  .site-header nav { gap: 10px; }
  .site-header nav a { font-size: .78rem; }
  .site-header .nav-contact { padding-inline: 7px; }
  .hero-inner { padding-block: 62px 68px; }
  .hero h1 { font-size: clamp(1.88rem, 8.1vw, 2.65rem); }
  .desktop-break { display: none; }
  .contact-extra span { margin-left: 0; display: block; }
  .product-hero:has(.detail-photo) { grid-template-columns: 1fr; }
  .detail-photo { min-height: 150px; padding: 17px; }
  .detail-photo img { height: 125px; }
  .model-list div { grid-template-columns: 1fr; gap: 4px; padding-inline: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .product-card { transition: none; }
}