:root {
  --bg: #07111f;
  --panel: #0e1d31;
  --panel-soft: #12243b;
  --text: #eef5ff;
  --muted: #b7c5d8;
  --brand: #4bd4ff;
  --brand-2: #6df2b2;
  --line: rgba(255,255,255,.12);
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(0,0,0,.32);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 96px 0; }
.site-header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(16px); background: rgba(7,17,31,.76); border-bottom: 1px solid var(--line); }
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; font-size: 15px; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 12px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #07111f; font-weight: 900; }
.nav-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 15px; }
.nav-cta { color: var(--text); border: 1px solid var(--line); padding: 9px 14px; border-radius: 999px; }
.hero { padding-top: 116px; background: radial-gradient(circle at 70% 20%, rgba(75,212,255,.2), transparent 34%), radial-gradient(circle at 20% 10%, rgba(109,242,178,.12), transparent 30%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--brand); font-weight: 800; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, h4, p { margin-top: 0; }
h1 { font-size: clamp(32px, 4.6vw, 52px); line-height: 1.08; letter-spacing: -.055em; margin-bottom: 24px; }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.04em; margin-bottom: 16px; }
h3 { font-size: 24px; line-height: 1.28; letter-spacing: -.03em; margin-bottom: 10px; }
h4 { font-size: 18px; margin-bottom: 8px; }
.lead { color: var(--muted); font-size: 20px; max-width: 720px; }
.hero-actions { display: flex; gap: 14px; margin: 34px 0 28px; flex-wrap: wrap; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; border-radius: 999px; padding: 0 22px; font-weight: 800; border: 1px solid transparent; cursor: pointer; }
.btn.primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #06111f; }
.btn.secondary { border-color: var(--line); color: var(--text); background: rgba(255,255,255,.04); }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; }
.trust-row span, .partner-tags span { border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; color: var(--muted); background: rgba(255,255,255,.04); font-size: 14px; }
.hero-card, .card, .product-card, .contact-card, .partner-band { background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035)); border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); }
.hero-card { padding: 32px; }
.hero-card ul { padding-left: 20px; color: var(--muted); }
.camera-visual { height: 260px; position: relative; border-radius: 24px; background: linear-gradient(145deg, #142b48, #081525); overflow: hidden; margin-bottom: 26px; border: 1px solid var(--line); }
.lens { position: absolute; width: 126px; height: 126px; border-radius: 50%; left: 54px; top: 58px; background: radial-gradient(circle, #07111f 0 28%, #4bd4ff 29% 34%, #0f2239 35% 70%, #6df2b2 71%); box-shadow: 0 0 60px rgba(75,212,255,.28); }
.lens.small { width: 72px; height: 72px; left: 212px; top: 86px; opacity: .9; }
.signal { position: absolute; border: 1px solid rgba(75,212,255,.45); border-radius: 50%; right: -60px; top: 54px; width: 180px; height: 180px; }
.signal.two { width: 260px; height: 260px; right: -100px; top: 14px; opacity: .5; }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading p, .card p, .product-card p, .category-head p, .partner-band p, .contact-card p { color: var(--muted); }
.section-heading.split { display: flex; justify-content: space-between; gap: 40px; max-width: none; align-items: end; }
.section-heading.split p:last-child { max-width: 430px; }
.cards { display: grid; gap: 20px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); margin-top: 24px; }
.card { padding: 28px; }
.card-icon { display: inline-flex; color: #07111f; background: var(--brand-2); border-radius: 999px; padding: 5px 10px; font-weight: 900; margin-bottom: 18px; }
.product-category { margin-bottom: 28px; }
.category-head { padding: 28px; border-radius: 24px 24px 0 0; background: var(--panel-soft); border: 1px solid var(--line); border-bottom: 0; }
.product-grid.compact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 0 0 24px 24px; overflow: hidden; }
.product-card { box-shadow: none; border: 0; border-radius: 0; padding: 24px; background: var(--panel); }
.partner-table { border: 1px solid var(--line); border-radius: 0 0 24px 24px; overflow: hidden; }
.table-row { display: grid; grid-template-columns: 220px 1fr; border-top: 1px solid var(--line); background: rgba(255,255,255,.035); }
.table-row.header { background: rgba(75,212,255,.14); font-weight: 900; border-top: 0; }
.table-row > div { padding: 15px 18px; }
.table-row > div:first-child { color: var(--text); font-weight: 800; border-right: 1px solid var(--line); }
.table-row > div:last-child { color: var(--muted); }
.highlight { background: linear-gradient(135deg, rgba(75,212,255,.13), rgba(109,242,178,.08)); }
.model-name { font-size: 22px; color: var(--text) !important; font-weight: 900; }
.plain-list { padding-left: 20px; color: var(--muted); }
.partner-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; padding: 36px; align-items: center; }
.partner-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.contact-card { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; padding: 40px; }
.contact-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
label { display: grid; gap: 7px; color: var(--muted); font-weight: 700; font-size: 14px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.06); color: var(--text); padding: 13px 14px; font: inherit; }
textarea { resize: vertical; }
.full { grid-column: 1 / -1; }
.form-note { font-size: 13px; margin: 0; grid-column: 1 / -1; }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.footer-grid p { margin: 4px 0 0; }
@media (max-width: 900px) {
  .nav { height: auto; padding: 16px 0; align-items: flex-start; }
  .nav-links { display: none; }
  .hero-grid, .cards.three, .cards.two, .product-grid.compact, .partner-band, .contact-card { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .section-heading.split { display: block; }
  .table-row { grid-template-columns: 1fr; }
  .table-row > div:first-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .contact-form { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1120px); }
  h1 { font-size: 30px; }
  .hero-card, .card, .contact-card, .partner-band { padding: 24px; border-radius: 22px; }
  .camera-visual { height: 220px; }
  .lens { left: 34px; }
  .lens.small { left: 170px; }
}


/* Sub pages */
.sub-hero { padding-top: 112px; background: radial-gradient(circle at 80% 20%, rgba(75,212,255,.26), transparent 35%), linear-gradient(180deg, rgba(75,212,255,.08), transparent); }
.sub-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: start; }
.sub-hero h1 { font-size: clamp(28px, 4vw, 44px); }
.info-panel { background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035)); border: 1px solid var(--line); border-radius: 28px; padding: 30px; box-shadow: var(--shadow); }
.info-panel h2 { font-size: 24px; margin-bottom: 14px; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.detail-card { background: rgba(255,255,255,.055); border: 1px solid var(--line); border-radius: 24px; padding: 24px; }
.detail-card h3 { color: var(--brand); font-size: 18px; letter-spacing: .08em; }
.detail-card p { color: var(--muted); margin-bottom: 0; }
.contact-strip { padding-top: 0; }
.product-card a, .table-row a, .card.highlight a { display: block; }
.product-card:hover, .card.highlight:hover { border-color: rgba(75,212,255,.45); transform: translateY(-2px); transition: .2s ease; }
.table-row a { color: inherit; text-decoration: underline; text-decoration-color: rgba(75,212,255,.5); text-underline-offset: 3px; }
@media (max-width: 900px) { .sub-hero-grid, .detail-grid { grid-template-columns: 1fr; } }


/* GMSL monocular detailed page */
.product-hero-image { background-image: linear-gradient(180deg, rgba(7,17,31,.55), rgba(7,17,31,.95)), url("https://www.otobrite.com/cache/iXxEzj3M5m9tvH1XEzmK2yAPEaWIVomrvk9UE1PpkgieoYYb0m2jmdPky7kLmDJnBFZDp93jgcVU1SiXpsWX4KgpsNrJTFPARTCdDG7KPUG10Es0Xvw0GIlTUIN95WtGy0.webp"); background-size: cover; background-position: center; }
.media-panel img, .feature-block img { width: 100%; height: auto; display: block; border-radius: 20px; background: rgba(255,255,255,.04); }
.image-caption { margin: 12px 0 0; color: var(--muted); font-size: 14px; text-align: center; }
.video-card { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: center; background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035)); border: 1px solid var(--line); border-radius: 28px; padding: 32px; box-shadow: var(--shadow); }
.video-card p { color: var(--muted); }
.video-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); background: #000; }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.compact-section { padding-top: 36px; }
.feature-split { display: grid; gap: 22px; }
.feature-block { display: grid; grid-template-columns: 1fr .9fr; gap: 28px; align-items: center; background: rgba(255,255,255,.055); border: 1px solid var(--line); border-radius: 28px; padding: 30px; }
.feature-block.reverse { grid-template-columns: .9fr 1fr; }
.feature-block.reverse div { order: 2; }
.feature-block.reverse img { order: 1; }
.feature-block h3 { color: var(--text); font-size: 24px; }
.feature-block p { color: var(--muted); margin-bottom: 0; }
.application-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.application-grid article { background: rgba(255,255,255,.055); border: 1px solid var(--line); border-radius: 24px; padding: 24px; text-align: center; }
.application-grid img { width: 76px; height: 76px; object-fit: contain; margin-bottom: 14px; }
.application-grid h3 { font-size: 18px; margin-bottom: 0; }
.model-table { border: 1px solid var(--line); border-radius: 24px; overflow: auto; background: rgba(255,255,255,.035); }
.model-row { display: grid; grid-template-columns: 1.35fr 1fr 1.25fr .65fr .75fr; min-width: 880px; border-top: 1px solid var(--line); }
.model-row:first-child { border-top: 0; }
.model-row > div { padding: 14px 16px; color: var(--muted); border-left: 1px solid var(--line); }
.model-row > div:first-child { border-left: 0; color: var(--text); font-weight: 800; }
.model-header { background: rgba(75,212,255,.14); font-weight: 900; }
.model-header > div { color: var(--text); }
@media (max-width: 900px) {
  .video-card, .feature-block, .feature-block.reverse, .application-grid { grid-template-columns: 1fr; }
  .feature-block.reverse div, .feature-block.reverse img { order: initial; }
}
@media (max-width: 560px) {
  .video-card, .feature-block { padding: 22px; border-radius: 22px; }
  .application-grid { grid-template-columns: 1fr; }
}