:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --text: #142033;
  --muted: #607086;
  --line: #d8e1ea;
  --brand: #0f65a8;
  --brand-2: #12a0b7;
  --accent: #e2343f;
  --shadow: 0 24px 80px rgba(20, 32, 51, 0.12);
  --radius: 24px;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }

.site-header {
  min-height: 760px;
  background:
    radial-gradient(circle at 78% 18%, rgba(18,160,183,.28), transparent 26rem),
    linear-gradient(135deg, rgba(15,101,168,.95), rgba(18,32,51,.98)),
    url("/assets/hero-pattern.svg");
  color: #fff;
}

.nav {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .02em;
}
.brand img {
  width: 190px;
  height: auto;
  border-radius: 8px;
  background: #fff;
}
.menu { display: flex; align-items: center; gap: 18px; }
.menu a {
  color: rgba(255,255,255,.84);
  text-decoration: none;
  font-weight: 700;
}
.menu a:hover { color: #fff; }
.menu-toggle { display: none; }
.lang-toggle, .menu-toggle {
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.1);
  color: #fff;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 800;
  cursor: pointer;
}

.hero {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 82px 0 104px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr);
  gap: 56px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-2);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .85rem;
}
.hero .eyebrow { color: #80e7f4; }
h1, h2, h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.035em;
  word-break: keep-all;
  overflow-wrap: normal;
}
h1 { max-width: 980px; font-size: clamp(3rem, 6.2vw, 5.8rem); }
h2 { font-size: clamp(2rem, 4vw, 4rem); }
h3 { font-size: 1.35rem; }
.hero-copy { max-width: 980px; }
.hero-product-panel {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(18px);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.hero-product-panel p {
  margin: 0 0 20px;
  color: #80e7f4;
  font-weight: 900;
  letter-spacing: .08em;
}
.hero-product-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.hero-product-panel li {
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.hero-product-panel li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.hero-product-panel strong,
.hero-product-panel span {
  display: block;
}
.hero-product-panel strong {
  font-size: 1.2rem;
}
.hero-product-panel span {
  margin-top: 6px;
  color: rgba(255,255,255,.74);
}
.hero-text {
  max-width: 720px;
  margin: 28px 0 0;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(255,255,255,.8);
}
.hero-actions, .map-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  font-weight: 900;
}
.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 64px;
}
.section-body p { margin-top: 0; font-size: 1.1rem; color: var(--muted); }
.section-body p:last-child { margin-bottom: 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 0;
}
.cards article, .contact-card, .product-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 48px rgba(20, 32, 51, .06);
}
.cards article { padding: 28px; }
.cards span { color: var(--brand); font-weight: 900; }
.cards p { color: var(--muted); margin-bottom: 0; }
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 28px;
}
.section-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}
.muted { color: var(--muted); }
.products-section { padding-top: 32px; }
.videos-section { padding-top: 32px; }
.video-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 24px;
  align-items: stretch;
  margin-top: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 14px 48px rgba(20, 32, 51, .06);
}
.video-feature iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #000;
}
.video-copy { padding: 28px; align-self: center; }
.video-copy p { color: var(--muted); margin-bottom: 0; }
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.video-grid a {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  text-decoration: none;
}
.video-grid span { color: var(--brand); font-weight: 900; font-size: .85rem; }
.video-grid strong { line-height: 1.35; }

.product-grid {
  display: grid;
  gap: 56px;
  margin-top: 22px;
}
.product-group-title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line);
  color: var(--brand);
  font-size: clamp(1.35rem, 2.5vw, 2rem);
}
.product-grid-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-image {
  aspect-ratio: 4 / 3;
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: grid;
  place-items: center;
  padding: 18px;
}
.product-image img { width: 100%; height: 100%; object-fit: contain; }
.product-image span { color: var(--brand); font-weight: 900; font-size: 1.3rem; }
.product-content { padding: 18px; display: grid; gap: 10px; flex: 1; }
.product-title { font-size: 1rem; min-height: 3.3em; }
.product-price { font-size: 1.2rem; font-weight: 900; }
.product-availability { color: var(--accent); font-weight: 900; }
.product-actions { display: grid; gap: 8px; margin-top: auto; }
.dark {
  width: 100%;
  max-width: none;
  padding-left: max(16px, calc((100% - 1180px) / 2));
  padding-right: max(16px, calc((100% - 1180px) / 2));
  background: #122033;
  color: #fff;
}
.dark .section-body p, .dark .section-body li { color: rgba(255,255,255,.78); }
.dark ul { margin: 18px 0 0; padding-left: 1.2em; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.contact-card { padding: 24px; text-decoration: none; }
.contact-card span { display: block; color: var(--muted); font-weight: 800; }
.contact-card strong { display: block; margin-top: 8px; font-size: 1.15rem; }
address {
  margin-top: 32px;
  padding: 24px;
  border-left: 5px solid var(--brand);
  background: #fff;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: normal;
}
footer {
  padding: 40px 16px;
  text-align: center;
  color: rgba(255,255,255,.68);
  background: #0c1522;
}
footer img { width: 120px; height: auto; margin-bottom: 12px; }

@media (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .menu {
    position: absolute;
    top: 82px;
    left: 16px;
    right: 16px;
    display: none;
    padding: 18px;
    border-radius: 18px;
    background: rgba(18,32,51,.98);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    z-index: 20;
  }
  .menu.open { display: flex; }
  .split { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; padding-top: 56px; }
  .video-feature { grid-template-columns: 1fr; }
  .cards, .product-grid-group, .contact-grid, .video-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .brand img { width: 132px; }
  .section-actions { justify-content: flex-start; width: 100%; }
  .section-actions .button { width: 100%; }
  .site-header { min-height: auto; }
  .hero { padding-bottom: 72px; }
  .section { padding: 64px 0; }
  .cards, .product-grid-group, .contact-grid, .video-grid { grid-template-columns: 1fr; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  h1 { font-size: clamp(2.6rem, 14vw, 4rem); }
}