:root {
  --ink: #15171c;
  --ink-2: #4b5160;
  --ink-3: #8a90a0;
  --line: #eceef2;
  --bg: #ffffff;
  --soft: #f5f6f9;
  --accent: #4f5bf0;
  --radius: 28px;
  --shadow: 0 1px 2px rgba(20, 24, 40, .04), 0 12px 32px rgba(20, 24, 40, .06);
  --font: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font);
  font-size: 17px; line-height: 1.65; word-break: keep-all; overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
img { max-width: 100%; display: block; }
.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.rel { position: relative; }
.center { text-align: center; margin-top: 40px; }

/* ---------- 위 메뉴 ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, box-shadow .3s; }
.nav.scrolled, .nav.open { background: rgba(255, 255, 255, .82); backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px); box-shadow: 0 1px 0 var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px;
  color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .02em;
  background: linear-gradient(135deg, #4f5bf0, #22b5c9);
  animation: hueSoft 12s ease-in-out infinite alternate;
}
.menu { display: flex; gap: 4px; margin-left: auto; }
.menu a { padding: 8px 14px; border-radius: 10px; color: var(--ink-2); font-size: 15px; font-weight: 600; transition: background .2s, color .2s; }
.menu a:hover { background: rgba(20, 24, 40, .05); color: var(--ink); }
.menu a.active { color: var(--ink); background: rgba(20, 24, 40, .06); }
.menu-btn { display: none; }
/* 언어 고르는 목록 */
.lang-box { position: relative; }
.lang { display: inline-flex; align-items: center; gap: 7px; height: 40px; padding: 0 12px; border: 0; border-radius: 12px; background: transparent; color: var(--ink-2); font: 600 14px var(--font); cursor: pointer; white-space: nowrap; transition: background .2s, color .2s; }
.lang:hover, .lang-box.open .lang { background: rgba(20, 24, 40, .06); color: var(--ink); }
.lang svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.chev { width: 7px; height: 7px; margin: -3px 0 0 2px; border: solid currentColor; border-width: 0 1.7px 1.7px 0; transform: rotate(45deg); transition: transform .25s, margin .25s; }
.lang-box.open .chev { transform: rotate(-135deg); margin-top: 3px; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 70; min-width: 200px; padding: 6px;
  display: grid; border-radius: 18px; background: rgba(255,255,255,.96);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 0 0 1px rgba(20,24,40,.06), 0 18px 48px rgba(20,24,40,.16);
  opacity: 0; visibility: hidden; transform: translateY(-6px) scale(.98); transform-origin: top right;
  transition: opacity .2s, transform .2s, visibility .2s;
}
.lang-box.open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-menu a { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-radius: 12px; font-size: 15px; font-weight: 600; color: var(--ink-2); }
.lang-menu a:hover { background: var(--soft); color: var(--ink); }
.lang-menu a[aria-current] { color: var(--accent); background: #eef0ff; }
.lang-menu a[aria-current]::after { content: ""; width: 10px; height: 5px; margin-top: -3px; border: solid currentColor; border-width: 0 0 2px 2px; transform: rotate(-45deg); }

.brand { white-space: nowrap; min-width: 0; }
.brand-name { overflow: hidden; text-overflow: ellipsis; }

/* 베트남어는 성조 표시가 잘 나오는 글꼴로 */
:lang(vi) body, a[lang="vi"] { font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif; }

/* 일본어·중국어는 글자 단위로 줄바꿈 + 그 나라 글꼴 먼저 */
:lang(ja) body, :lang(zh) body { word-break: normal; line-break: strict; }
:lang(ja) { --font: "Pretendard Variable", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", "Noto Sans JP", sans-serif; }
:lang(zh) { --font: "Pretendard Variable", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif; }
:lang(ja) h1, :lang(ja) h2, :lang(zh) h1, :lang(zh) h2 { letter-spacing: -.01em; }

/* 내용이 다 채워진 뒤에 부드럽게 보이기 */
body { opacity: 0; transition: opacity .35s; }
body.ready { opacity: 1; }
.stats-dark { margin: 44px 0 14px; }
.stats-dark .stat { background: rgba(255,255,255,.08); box-shadow: inset 0 0 0 1px rgba(255,255,255,.1); }
.stats-dark .stat span { color: rgba(255,255,255,.7); }
.stats-dark .stat small { color: rgba(255,255,255,.5); }
.certs { margin-top: 56px; }
.directions { margin-top: 16px; }
.quality { margin-top: 16px; }
.steps + .quality { margin-top: 16px; }
body:not([data-route="home"]) .nav { background: rgba(255, 255, 255, .82); backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px); box-shadow: 0 1px 0 var(--line); }

/* 페이지 넘어갈 때 살짝 떠오르기 */
[hidden] { display: none !important; }
.page-in { animation: pageIn .5s cubic-bezier(.2,.8,.2,1); }
@keyframes pageIn { from { opacity: 0; transform: translateY(14px); } }
/* 페이지 머리: 색이 흐르는 띠 + 큰 제목 */
.page-head { position: relative; overflow: hidden; padding: 160px 0 90px; background: #f3f4ff; }
.page-head::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.5) 70%, #fff); pointer-events: none; }
.page-head-in { position: relative; z-index: 1; }
.page-head h1 { font-size: clamp(36px, 5.6vw, 64px); }
.page-head .lead { max-width: 560px; }

/* 처음 화면 바로가기 카드 */
.sec-short { padding-top: 70px; }
.shortcuts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 44px; }
.shortcut { position: relative; display: flex; flex-direction: column; min-height: 200px; padding: 26px; border-radius: 26px; background: var(--soft); overflow: hidden; transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s, background .35s; }
.shortcut:hover { transform: translateY(-6px); background: #fff; box-shadow: 0 2px 4px rgba(20,24,40,.04), 0 24px 48px rgba(20,24,40,.1); }
.shortcut-dot { width: 44px; height: 44px; border-radius: 14px; margin-bottom: auto; background: linear-gradient(135deg, hsl(var(--hue) 85% 66%), hsl(calc(var(--hue) + 60) 80% 70%)); animation: hueSoft 12s ease-in-out infinite alternate; }
.shortcut b { margin-top: 24px; font-size: 20px; letter-spacing: -.02em; }
.shortcut p { font-size: 14px; color: var(--ink-2); margin-top: 4px; }
.shortcut em { position: absolute; right: 22px; top: 22px; font-style: normal; font-weight: 800; color: var(--ink-3); transition: transform .3s, color .3s; }
.shortcut:hover em { transform: translateX(4px); color: var(--ink); }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; height: 54px; padding: 0 26px;
  border-radius: 16px; font-weight: 700; font-size: 16px; border: 0; cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.btn:active { transform: scale(.97); }
.btn-sm { height: 40px; padding: 0 16px; border-radius: 12px; font-size: 14px; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #2a2e38; }
.btn-glass { background: rgba(255, 255, 255, .55); color: var(--ink); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .7); }
.btn-glass:hover { background: rgba(255, 255, 255, .8); }
.btn-line { box-shadow: inset 0 0 0 1.5px var(--line); background: #fff; }
.btn-line:hover { background: var(--soft); }

/* ---------- 색이 흐르는 배경 ---------- */
.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; animation: hue 30s linear infinite; }
.blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .75; will-change: transform; }
.b1 { width: 52vmax; height: 52vmax; left: -14vmax; top: -18vmax; background: #6d7cff; animation: float1 22s ease-in-out infinite alternate; }
.b2 { width: 44vmax; height: 44vmax; right: -12vmax; top: -10vmax; background: #3fd0d4; animation: float2 26s ease-in-out infinite alternate; }
.b3 { width: 40vmax; height: 40vmax; left: 22vmax; top: 18vmax; background: #c58cff; animation: float3 20s ease-in-out infinite alternate; }
.b4 { width: 34vmax; height: 34vmax; right: 6vmax; bottom: -16vmax; background: #ffb38a; animation: float1 28s ease-in-out infinite alternate-reverse; }
@keyframes hue { to { filter: hue-rotate(360deg); } }
@keyframes hueSoft { to { filter: hue-rotate(110deg); } }
@keyframes float1 { to { transform: translate(14vmax, 10vmax) scale(1.15); } }
@keyframes float2 { to { transform: translate(-16vmax, 14vmax) scale(.9); } }
@keyframes float3 { to { transform: translate(-10vmax, -12vmax) scale(1.2); } }

/* ---------- 첫 화면 ---------- */
.hero { position: relative; overflow: hidden; padding: 150px 0 56px; background: #f3f4ff; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.15), rgba(255,255,255,.55) 70%, #fff); pointer-events: none; }
.hero .wrap { position: relative; z-index: 1; }
.hero-in { min-height: 46vh; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { display: inline-block; align-self: flex-start; padding: 7px 14px; margin-bottom: 22px; border-radius: 999px; font-size: 14px; font-weight: 700; color: var(--ink); background: rgba(255,255,255,.6); box-shadow: inset 0 0 0 1px rgba(255,255,255,.8); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
h1 { font-size: clamp(38px, 6.4vw, 76px); line-height: 1.16; letter-spacing: -.035em; font-weight: 800; }
.lead { margin-top: 24px; max-width: 620px; font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); font-weight: 500; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 72px; }
.stat { padding: 24px; border-radius: 22px; background: rgba(255,255,255,.7); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: inset 0 0 0 1px rgba(255,255,255,.9), var(--shadow); }
.stat b { display: block; font-size: clamp(26px, 3vw, 34px); font-weight: 800; letter-spacing: -.03em; line-height: 1.2; }
.stat small { margin-left: 3px; font-size: .5em; font-weight: 700; color: var(--ink-3); letter-spacing: 0; }
.stat span { display: block; margin-top: 6px; font-size: 14px; color: var(--ink-2); }

/* ---------- 공통 구역 ---------- */
.sec { position: relative; padding: 130px 0; }
.sec-soft { background: var(--soft); }
.sec-dark { background: #0f1117; color: #fff; overflow: hidden; }
.kicker {
  display: inline-block; margin-bottom: 14px; font-size: 15px; font-weight: 800;
  background: linear-gradient(90deg, #4f5bf0, #22b5c9, #a85cf5); -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: hueSoft 12s ease-in-out infinite alternate;
}
h2 { font-size: clamp(32px, 4.4vw, 52px); line-height: 1.22; letter-spacing: -.03em; font-weight: 800; }
.sec-lead { margin-top: 22px; max-width: 760px; font-size: 18px; color: var(--ink-2); }
.sub-title { margin: 90px 0 24px; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }

/* 소개 */
.about { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: start; }
.about-body p { font-size: 19px; color: var(--ink-2); margin-bottom: 18px; }
.about-body .sign { margin-top: 28px; font-size: 15px; font-weight: 700; color: var(--ink); }

/* 기술 카드 */
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.card { padding: 32px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.card .num { font-size: 14px; font-weight: 800; color: var(--accent); }
.card h4 { margin: 14px 0 8px; font-size: 21px; letter-spacing: -.02em; }
.card p { color: var(--ink-2); font-size: 16px; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; counter-reset: s; }
.steps li { display: flex; gap: 14px; padding: 22px; border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.steps li > span { flex: none; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: #eef0ff; color: var(--accent); font-weight: 800; font-size: 14px; }
.steps b { display: block; font-size: 16px; }
.steps p { font-size: 14px; color: var(--ink-2); margin-top: 2px; }

.material { margin-top: 90px; display: grid; grid-template-columns: .9fr 1.4fr; gap: 40px; padding: 48px; border-radius: 34px; background: #fff; box-shadow: var(--shadow); }
.material h3 { font-size: 30px; letter-spacing: -.03em; }
.material-head p { margin-top: 12px; color: var(--ink-2); }
.material-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; }
.material-grid b { font-size: 17px; }
.material-grid p { font-size: 15px; color: var(--ink-2); margin-top: 4px; }

/* 제품 */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
.product { border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow); transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s; }
.product:hover { transform: translateY(-6px); box-shadow: 0 2px 4px rgba(20,24,40,.04), 0 24px 48px rgba(20,24,40,.1); }
.product-art {
  aspect-ratio: 4 / 3; display: grid; place-items: center; position: relative; overflow: hidden;
  background:
    radial-gradient(60% 70% at 25% 20%, hsl(var(--hue) 90% 78%), transparent 70%),
    radial-gradient(60% 70% at 85% 85%, hsl(calc(var(--hue) + 70) 85% 74%), transparent 70%),
    hsl(calc(var(--hue) + 30) 70% 92%);
  animation: hue 40s linear infinite;
}
.product-art.has-photo { animation: none; background: var(--soft); }
.product-art img { width: 100%; height: 100%; object-fit: cover; }
.product-art svg { width: 38%; fill: none; stroke: rgba(255,255,255,.95); stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 6px 14px rgba(30,30,80,.18)); }
.product-body { padding: 24px 26px 28px; }
.product-body small { font-size: 13px; font-weight: 700; color: var(--ink-3); letter-spacing: .02em; }
.product-body h4 { font-size: 22px; letter-spacing: -.02em; margin: 2px 0 6px; }
.product-body p { font-size: 15px; color: var(--ink-2); }
.chip { display: inline-block; margin-top: 14px; padding: 6px 12px; border-radius: 999px; background: var(--soft); font-size: 13px; font-weight: 700; color: var(--ink-2); }

/* 설비·연혁 (어두운 구역) */
.aurora-dim { opacity: .35; animation: hueSoft 14s ease-in-out infinite alternate; }
.sec-dark .kicker { background: linear-gradient(90deg, #8f98ff, #5ee0e6, #d19bff); -webkit-background-clip: text; background-clip: text; }
.facilities { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 52px; }
.facility { padding: 28px; border-radius: 24px; background: rgba(255,255,255,.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.facility span { font-size: 13px; font-weight: 700; color: #9aa3ff; }
.facility h4 { font-size: 19px; margin: 8px 0 14px; letter-spacing: -.02em; }
.facility b { font-size: 15px; color: rgba(255,255,255,.7); font-weight: 600; }
.sec-dark .sub-title { color: #fff; }
.timeline { display: grid; gap: 0; border-top: 1px solid rgba(255,255,255,.12); }
.year { display: grid; grid-template-columns: 160px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.year b { font-size: 30px; font-weight: 800; letter-spacing: -.03em; }
.year ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; align-content: center; color: rgba(255,255,255,.78); }

/* 연락처 */
.contact { display: grid; grid-template-columns: 1fr 1.3fr; gap: 16px; margin-top: 52px; }
.contact-cards { display: grid; gap: 12px; }
.contact-card { display: flex; flex-direction: column; justify-content: center; padding: 22px 26px; border-radius: 22px; background: var(--soft); transition: background .2s; }
a.contact-card:hover { background: #eceef4; }
.contact-card span { font-size: 14px; color: var(--ink-3); font-weight: 700; }
.contact-card b { font-size: 21px; letter-spacing: -.01em; }
.map-card { display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden; background: var(--soft); transition: transform .3s; }
.map-card:hover { transform: translateY(-4px); }
.map-art {
  flex: 1; min-height: 220px; position: relative;
  background:
    linear-gradient(90deg, transparent 47%, #fff 47%, #fff 53%, transparent 53%),
    linear-gradient(0deg, transparent 58%, #fff 58%, #fff 63%, transparent 63%),
    linear-gradient(30deg, transparent 70%, #fff 70%, #fff 73%, transparent 73%),
    linear-gradient(135deg, #dfe8ff, #dff6ef);
}
.pin { position: absolute; left: 50%; top: 52%; width: 34px; height: 34px; margin: -34px 0 0 -17px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--accent); box-shadow: 0 8px 20px rgba(79,91,240,.4); animation: drop 2.4s ease-in-out infinite; }
.pin::after { content: ""; position: absolute; inset: 11px; border-radius: 50%; background: #fff; }
@keyframes drop { 50% { margin-top: -42px; } }
.map-info { display: grid; gap: 2px; padding: 22px 26px; background: #fff; box-shadow: inset 0 1px 0 var(--line); }
.map-info span { color: var(--ink-2); }
.map-info em { font-style: normal; font-size: 14px; font-weight: 700; color: var(--accent); margin-top: 6px; }

.agencies { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.agency { padding: 20px 22px; border-radius: 20px; box-shadow: inset 0 0 0 1.5px var(--line); transition: background .2s; }
.agency:hover { background: var(--soft); }
.agency span { display: block; font-size: 13px; color: var(--ink-3); font-weight: 700; }
.agency b { display: block; font-size: 17px; margin: 2px 0; }
.agency em { font-style: normal; font-size: 15px; color: var(--ink-2); }

/* ===== 자세한 페이지 공통 ===== */
.page .sec { padding: 110px 0; }
.split { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.sec-lead.big { font-size: clamp(19px, 2vw, 24px); color: var(--ink); font-weight: 600; max-width: 820px; margin: 0 0 56px; letter-spacing: -.01em; }
.note { margin-top: 18px; font-size: 14px; color: var(--ink-3); }
.cards3 + .sub-title { margin-top: 70px; }

/* 회사 개요 */
.overview { margin: 0; border-top: 2px solid var(--ink); }
.overview > div { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding: 20px 4px; border-bottom: 1px solid var(--line); }
.overview dt { font-weight: 700; color: var(--ink-3); font-size: 15px; }
.overview dd { margin: 0; font-weight: 600; }

/* 인증 */
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.cert { padding: 34px 30px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.cert-badge { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 22px; background: conic-gradient(from 0deg, #4f5bf0, #22b5c9, #a85cf5, #4f5bf0); animation: hueSoft 12s ease-in-out infinite alternate; }
.cert-badge span { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background: #fff; font-weight: 800; font-size: 15px; }
.cert h4 { font-size: 21px; letter-spacing: -.02em; }
.cert p { color: var(--ink-2); margin-top: 4px; }

/* 기술: 회전 그림 */
.tech-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; margin-bottom: 56px; }
.spin { position: relative; aspect-ratio: 1; max-width: 400px; width: 100%; margin: 0 auto; border-radius: 40px; background: radial-gradient(circle at 50% 50%, #fff3e8, #ffe1cc 55%, #ffd0b5); box-shadow: var(--shadow); overflow: hidden; }
.spin::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle, rgba(255,140,80,.25), transparent 65%); animation: glow 3s ease-in-out infinite alternate; }
@keyframes glow { to { opacity: .4; } }
.spin-ring { position: absolute; left: 50%; top: 50%; border-radius: 50%; border: 2px dashed rgba(79,91,240,.35); }
.spin-ring.r1 { width: 74%; height: 74%; margin: -37% 0 0 -37%; animation: turn 9s linear infinite; }
.spin-ring.r2 { width: 74%; height: 28%; margin: -14% 0 0 -37%; animation: turnX 6s linear infinite; }
.spin-box { position: absolute; left: 50%; top: 50%; width: 34%; height: 34%; margin: -17% 0 0 -17%; border-radius: 22%; background: linear-gradient(135deg, #9aa2b8, #5d6478); box-shadow: 0 14px 30px rgba(30,30,60,.25); animation: tumble 6s ease-in-out infinite; }
.spin-box i { position: absolute; inset: 12%; border-radius: 18%; background: linear-gradient(135deg, #6d7cff, #3fd0d4); animation: hueSoft 6s ease-in-out infinite alternate; }
@keyframes turn { to { transform: rotate(360deg); } }
@keyframes turnX { to { transform: rotateX(360deg) rotate(360deg); } }
@keyframes tumble { 0% { transform: rotate(0) rotateX(0); } 50% { transform: rotate(180deg) rotateX(180deg); } 100% { transform: rotate(360deg) rotateX(360deg); } }
.spin-label { position: absolute; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.85); font-size: 13px; font-weight: 700; box-shadow: var(--shadow); }
.l1 { left: 8%; top: 9%; } .l2 { right: 8%; top: 46%; } .l3 { left: 10%; bottom: 9%; }

/* 기술: 여섯 가지 장점 */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.feature { position: relative; padding: 32px 30px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.feature::before { content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; background: hsl(var(--hue) 85% 75%); filter: blur(30px); opacity: .55; animation: hueSoft 14s ease-in-out infinite alternate; }
.feature-en { position: relative; font-size: 13px; font-weight: 800; color: var(--accent); letter-spacing: .04em; text-transform: uppercase; }
.feature h4 { position: relative; font-size: 22px; letter-spacing: -.02em; margin: 10px 0 8px; }
.feature p { position: relative; color: var(--ink-2); font-size: 16px; }

/* 기술: 비교 표 */
.table-wrap { margin-top: 48px; border-radius: var(--radius); box-shadow: inset 0 0 0 1.5px var(--line); overflow-x: auto; }
.compare { width: 100%; border-collapse: collapse; min-width: 560px; }
.compare th, .compare td { padding: 20px 24px; text-align: left; border-bottom: 1px solid var(--line); font-size: 16px; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.compare thead th { font-size: 15px; color: var(--ink-3); background: var(--soft); }
.compare thead th:last-child { color: var(--accent); }
.compare tbody th { width: 22%; font-weight: 700; color: var(--ink-2); }
.compare td:last-child { font-weight: 700; color: var(--ink); background: rgba(79,91,240,.04); }
.compare td:nth-child(2) { color: var(--ink-3); }

/* 기술: 품질 검사 */
.quality { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.q { padding: 34px 30px; border-radius: var(--radius); background: var(--soft); }
.q b { display: block; font-size: 42px; font-weight: 800; letter-spacing: -.04em; line-height: 1.1; background: linear-gradient(90deg, #4f5bf0, #22b5c9); -webkit-background-clip: text; background-clip: text; color: transparent; }
.q small { font-size: .45em; margin-left: 4px; }
.q h4 { font-size: 20px; margin: 18px 0 6px; }
.q p { color: var(--ink-2); font-size: 15px; }

/* 기술: 재질 */
.materials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 52px; }
.mat { padding: 26px; border-radius: 24px; background: #fff; box-shadow: var(--shadow); border-top: 4px solid hsl(var(--hue) 75% 62%); }
.mat-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.mat-top b { font-size: 24px; letter-spacing: -.02em; }
.mat-top span { font-size: 14px; font-weight: 700; color: hsl(var(--hue) 60% 45%); }
.mat p { margin: 10px 0 12px; color: var(--ink-2); font-size: 15px; }
.mat small { display: inline-block; padding: 5px 10px; border-radius: 999px; background: var(--soft); font-size: 13px; font-weight: 700; color: var(--ink-2); }
.materials + .note + .material { margin-top: 56px; }

/* 제품: 큰 줄 */
.product-rows { display: grid; gap: 22px; }
.product-row { display: grid; grid-template-columns: 1fr 1.25fr; border-radius: 32px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.product-row:nth-child(even) .product-art { order: 2; }
.product-row .product-art { aspect-ratio: auto; min-height: 320px; }
.product-row .product-art svg { width: 30%; }
.product-info { padding: 44px 48px; }
.product-info small { font-size: 13px; font-weight: 800; color: var(--ink-3); letter-spacing: .03em; }
.product-info h3 { font-size: 30px; letter-spacing: -.03em; margin: 6px 0 12px; }
.product-desc { color: var(--ink-2); font-size: 17px; }
.ticks { list-style: none; padding: 0; margin: 22px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.ticks li { position: relative; padding-left: 26px; font-weight: 600; font-size: 15px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, #4f5bf0, #22b5c9); }
.ticks li::after { content: ""; position: absolute; left: 5px; top: 8px; width: 6px; height: 3px; border: solid #fff; border-width: 0 0 2px 2px; transform: rotate(-45deg); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips .chip { margin: 0; }

/* 제품: 쓰이는 곳 */
.uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 52px; }
.use { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; padding: 26px; border-radius: 24px; background: #fff; box-shadow: var(--shadow); }
.use i { grid-row: span 2; width: 46px; height: 46px; border-radius: 14px; background: linear-gradient(135deg, hsl(var(--hue) 85% 66%), hsl(calc(var(--hue) + 50) 80% 72%)); }
.use b { font-size: 18px; align-self: end; }
.use p { font-size: 14px; color: var(--ink-2); }

/* 제품: 주문 절차 */
.flow { list-style: none; padding: 0; margin: 52px 0 0; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; position: relative; }
.flow li { position: relative; padding: 24px 20px; border-radius: 22px; background: var(--soft); }
.flow li > span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; margin-bottom: 16px; background: var(--ink); color: #fff; font-weight: 800; font-size: 14px; }
.flow li:last-child > span { background: linear-gradient(135deg, #4f5bf0, #22b5c9); }
.flow b { display: block; font-size: 18px; }
.flow p { font-size: 14px; color: var(--ink-2); margin-top: 4px; }

/* 제품: 자주 묻는 질문 */
.faq { display: grid; gap: 10px; }
.faq-item { border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.faq-item summary { list-style: none; cursor: pointer; padding: 22px 56px 22px 26px; font-weight: 700; font-size: 17px; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 24px; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 500; color: var(--ink-3); transition: transform .25s; }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 26px 24px; color: var(--ink-2); }

/* 설비: 밝은 숫자 카드 */
.stats-light { margin-top: 0; }
.stats-light .stat { background: var(--soft); box-shadow: none; }

/* 오시는 길: 준비물 */
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; counter-reset: c; }
.checklist li { counter-increment: c; display: flex; align-items: center; gap: 16px; padding: 18px 22px; border-radius: 18px; background: var(--soft); font-weight: 600; }
.checklist li::before { content: counter(c); flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: #fff; color: var(--accent); font-weight: 800; font-size: 14px; }
.inquiry-btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

/* 페이지 끝: 다음 페이지 · 문의 */
.next-band { padding: 0 0 110px; }
.next-in { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.next-card { position: relative; display: block; padding: 34px 36px; border-radius: 30px; background: var(--ink); color: #fff; overflow: hidden; transition: transform .3s; }
.next-card:hover { transform: translateY(-4px); }
.next-card::before { content: ""; position: absolute; right: -60px; bottom: -80px; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, #6d7cff, transparent 70%); opacity: .7; animation: hueSoft 10s ease-in-out infinite alternate; }
.next-card span { position: relative; font-size: 14px; font-weight: 700; color: rgba(255,255,255,.6); }
.next-card b { position: relative; display: block; font-size: 28px; letter-spacing: -.02em; margin: 4px 0; }
.next-card p { position: relative; color: rgba(255,255,255,.7); font-size: 15px; }
.next-card em { position: absolute; right: 32px; top: 30px; font-style: normal; font-size: 24px; }
.next-call { background: var(--soft); color: var(--ink); }
.next-call::before { background: radial-gradient(circle, #9fe6e8, transparent 70%); }
.next-call span, .next-call p { color: var(--ink-2); }

/* ===== 사진 ===== */
/* 회사 로고 글자 C·T·K (빨강) */
.brand-mark { width: auto; height: auto; padding: 0; background: none !important; border-radius: 0; color: #e0151b; font-size: 20px; font-weight: 900; letter-spacing: -.01em; animation: none; }

/* 첫 화면: 글 + 큰 사진 */
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero-grid h1 { font-size: clamp(38px, 4.9vw, 62px); }
.hero-photo { position: relative; justify-self: center; width: 100%; max-width: 400px; aspect-ratio: 4 / 5; border-radius: 36px; overflow: hidden; background: #dfe6f5; box-shadow: 0 30px 60px rgba(40, 50, 110, .18); }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }

.greet-photo { margin-top: 36px; max-width: 320px; aspect-ratio: 1; border-radius: 28px; overflow: hidden; background: #dfe6f5; }
.greet-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }

/* 연혁 (흰 바탕) */
.sec:not(.sec-dark) .timeline { border-top: 2px solid var(--ink); margin-top: 44px; }
.sec:not(.sec-dark) .year { border-bottom-color: var(--line); }
.sec:not(.sec-dark) .year ul { color: var(--ink-2); }
.sec:not(.sec-dark) .year b { background: linear-gradient(90deg, #4f5bf0, #22b5c9); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* 납품처 */
.clients { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 44px; }
.client { padding: 16px 24px; border-radius: 16px; background: var(--soft); font-size: 18px; font-weight: 800; letter-spacing: -.01em; color: var(--ink); }

/* 현장 사진 */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 48px; }
.g-item { padding: 0; border: 0; border-radius: 20px; overflow: hidden; aspect-ratio: 1; background: #222; cursor: zoom-in; }
.g-item:nth-child(1), .g-item:nth-child(6) { grid-column: span 2; grid-row: span 2; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.g-item:hover img { transform: scale(1.05); }

/* 제품 사진 + 작은 사진 줄 */
.product-media { display: flex; flex-direction: column; background: #e9edf6; }
.product-row .product-art { flex: 1; display: block; position: relative; width: 100%; padding: 0; border: 0; cursor: zoom-in; background: #dfe6f5; animation: none; }
.product-row .product-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-row .product-art:hover img { transform: scale(1.03); }
.photo-count { position: absolute; right: 14px; bottom: 14px; padding: 6px 12px; border-radius: 999px; background: rgba(15,17,23,.65); color: #fff; font-size: 13px; font-weight: 700; backdrop-filter: blur(6px); }
.thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; padding: 8px; }
.thumb { padding: 0; border: 0; aspect-ratio: 1; border-radius: 10px; overflow: hidden; background: #cfd6e6; cursor: zoom-in; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb.more { display: grid; place-items: center; font: 800 15px var(--font); color: var(--ink-2); }
.product-row:nth-child(even) .product-media { order: 2; }
.product-media .product-art { order: 0 !important; }

/* 카탈로그 카드 (제품 페이지) */
.cat-card { display: inline-flex; align-items: center; gap: 24px; max-width: 560px; width: 100%; padding: 18px 28px 18px 18px; border: 0; border-radius: 26px; background: var(--soft); text-align: left; cursor: pointer; font: inherit; color: inherit; transition: transform .3s, box-shadow .3s, background .3s; }
.cat-card:hover { transform: translateY(-4px); background: #fff; box-shadow: 0 2px 4px rgba(20,24,40,.04), 0 24px 48px rgba(20,24,40,.12); }
.cat-cover { flex: none; width: 96px; aspect-ratio: 1 / 1.414; border-radius: 4px 10px 10px 4px; overflow: hidden; box-shadow: -4px 0 0 #c9cfdc inset, 0 10px 24px rgba(20,24,40,.22); transform: perspective(600px) rotateY(-14deg); transition: transform .4s; }
.cat-card:hover .cat-cover { transform: perspective(600px) rotateY(-4deg); }
.cat-cover img { width: 100%; height: 100%; object-fit: cover; }
.cat-text { display: grid; gap: 2px; }
.cat-text small { font-size: 13px; font-weight: 700; color: var(--ink-3); }
.cat-text b { font-size: 22px; letter-spacing: -.02em; }
.cat-text em { font-style: normal; font-weight: 700; color: var(--accent); margin-top: 6px; }

/* 책처럼 넘겨 보기 */
.book { position: fixed; inset: 0; z-index: 100; display: grid; grid-template-rows: auto 1fr auto; background: radial-gradient(120% 90% at 50% 30%, #2a2f3d, #0d0f15); animation: sheetIn .25s ease; }
.book-bar { display: flex; align-items: center; gap: 16px; padding: 14px 20px; color: #fff; }
.book-bar b { font-size: 16px; }
.book-page { color: rgba(255,255,255,.6); font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.book-pdf { margin-left: auto; padding: 9px 16px; border-radius: 12px; background: rgba(255,255,255,.12); color: #fff; font-size: 14px; font-weight: 700; }
.book-pdf:hover { background: rgba(255,255,255,.22); }
.book-close { width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font: 300 30px/1 var(--font); cursor: pointer; }
.book-stage { display: grid; grid-template-columns: auto 1fr auto; align-items: center; min-height: 0; padding: 0 12px; }
.book-wrap { display: grid; place-items: center; height: 100%; min-height: 0; padding: 8px 0; overflow: hidden; }
#bookFit { max-width: 100%; margin: 0 auto; }
#bookPages { width: 100%; }
.book-sheet { background: #fff; overflow: hidden; }
.book-sheet img { width: 100%; height: 100%; object-fit: contain; display: block; user-select: none; -webkit-user-drag: none; }
.book-nav { width: 56px; height: 56px; border: 0; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; font: 300 36px/1 var(--font); cursor: pointer; }
.book-nav:hover, .book-close:hover { background: rgba(255,255,255,.22); }
.book-hint { margin: 0; padding: 10px 20px 18px; text-align: center; color: rgba(255,255,255,.5); font-size: 13px; }
/* 책 넘기기 도구를 못 불러오면: 쪽을 세로로 나열 */
.book-plain { overflow-y: auto; max-height: calc(100vh - 140px); display: grid; gap: 12px; justify-items: center; }
.book-plain .book-sheet { max-width: 700px; width: 100%; }

/* 사진 크게 보기 */
body.lb-open { overflow: hidden; }
.lightbox { position: fixed; inset: 0; z-index: 100; display: grid; grid-template-columns: auto 1fr auto; align-items: center; background: rgba(8, 10, 16, .92); animation: sheetIn .25s ease; }
.lightbox figure { margin: 0; display: grid; justify-items: center; gap: 14px; padding: 60px 0 30px; min-width: 0; }
.lightbox img { max-width: 100%; max-height: calc(100vh - 140px); border-radius: 12px; object-fit: contain; }
.lightbox figcaption { color: rgba(255,255,255,.75); font-size: 15px; font-weight: 600; }
.lb-close, .lb-nav { border: 0; background: rgba(255,255,255,.1); color: #fff; cursor: pointer; font: 300 36px/1 var(--font); }
.lb-close { position: absolute; top: 16px; right: 16px; width: 48px; height: 48px; border-radius: 50%; }
.lb-nav { width: 56px; height: 56px; margin: 0 16px; border-radius: 50%; }
.lb-close:hover, .lb-nav:hover { background: rgba(255,255,255,.2); }

/* 아래 */
/* 맨 아래 정보 칸: 루담톡 홈페이지와 같은 모양 (위 얇은 줄 · 로고 · 링크 줄 · 저작권 · 회사 정보) */
.foot { padding: 56px 0 64px; background: #fff; border-top: 1px solid var(--line); font-size: 15px; color: var(--ink-3); }
.foot-logo { display: inline-flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 800; letter-spacing: -.02em; color: var(--ink-2); }
.foot-logo .brand-mark { font-size: 24px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 32px; margin-top: 26px; }
.foot-links a { color: var(--ink-3); font-size: 17px; font-weight: 500; transition: color .2s; }
.foot-links a:hover { color: var(--ink); }
.foot-links a[aria-current] { color: var(--ink-2); font-weight: 800; }
.foot-copy { margin-top: 26px; font-size: 16px; }
.foot-copy a:hover { color: var(--ink); }
.foot-biz { display: flex; flex-wrap: wrap; gap: 6px 24px; margin-top: 16px; font-size: 14px; line-height: 1.7; }
.foot-biz span:nth-child(n+4) { white-space: nowrap; } /* 전화·팩스 번호는 끊기지 않게 */


/* 나타나는 움직임 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 태블릿 ---------- */
@media (max-width: 960px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .about, .material, .contact { grid-template-columns: 1fr; gap: 28px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .products, .facilities, .cards3 { grid-template-columns: repeat(2, 1fr); }
  .shortcuts { grid-template-columns: repeat(3, 1fr); }
  .split, .tech-intro { grid-template-columns: 1fr; gap: 32px; }
  .features, .materials, .uses, .quality, .certs { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .product-row { grid-template-columns: 1fr; }
  .product-row:nth-child(even) .product-art { order: 0; }
  .product-row .product-art { min-height: 300px; }
  .product-row:nth-child(even) .product-media { order: 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-photo { max-width: 360px; aspect-ratio: 1; justify-self: start; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .g-item:nth-child(6) { grid-column: auto; grid-row: auto; }
}

/* ---------- 휴대폰 ---------- */
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .menu, .nav-call { display: none; }
  .menu-btn { display: grid; place-content: center; gap: 6px; width: 42px; height: 42px; margin-left: auto; border: 0; border-radius: 12px; background: transparent; cursor: pointer; }
  .menu-btn span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .25s; }
  .nav.open .menu-btn span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav.open .menu-btn span:last-child { transform: translateY(-4px) rotate(-45deg); }
  /* 펼친 메뉴: 화면 가득, 큰 글씨 */
  body.menu-open { overflow: hidden; }
  .nav.open { background: #fff !important; box-shadow: none !important; backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
  .brand { font-size: 17px; }
  .nav.open .menu { display: flex; flex-direction: column; gap: 4px; position: fixed; top: 64px; left: 0; right: 0; bottom: 0; padding: 20px 20px 120px; background: #fff; animation: sheetIn .3s cubic-bezier(.2,.8,.2,1); }
  .nav.open .menu a { padding: 16px 14px; font-size: 26px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); border-radius: 16px; }
  .nav.open .menu a.active { background: var(--soft); color: var(--accent); }
  .nav.open .nav-call { display: flex; position: fixed; left: 20px; right: 20px; bottom: 24px; height: 56px; border-radius: 16px; font-size: 17px; z-index: 2; }
  @keyframes sheetIn { from { opacity: 0; transform: translateY(-10px); } }
  .lang-menu { grid-template-columns: 1fr 1fr; min-width: 280px; }
  .hero-photo { max-width: none; aspect-ratio: 4 / 3; border-radius: 26px; }
  .greet-photo { max-width: none; aspect-ratio: 4 / 3; margin-top: 24px; }
  .client { padding: 12px 16px; font-size: 15px; border-radius: 12px; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 8px; }
  .g-item:nth-child(1) { grid-column: span 2; grid-row: auto; aspect-ratio: 16 / 10; }
  .g-item { border-radius: 14px; }
  .product-row .product-art { min-height: 0; aspect-ratio: 4 / 3; }
  .thumbs { grid-template-columns: repeat(6, 1fr); gap: 4px; padding: 6px; }
  .thumb { border-radius: 8px; }
  .cat-card { gap: 16px; padding: 14px 18px 14px 14px; border-radius: 22px; }
  .cat-cover { width: 72px; }
  .cat-text b { font-size: 18px; }
  .book-bar { gap: 10px; padding: 10px 12px; }
  .book-bar b { display: none; }
  .book-stage { grid-template-columns: 1fr; padding: 0 8px; }
  .book-nav { display: none; }
  .lightbox { grid-template-columns: 1fr; }
  .lb-nav { position: absolute; bottom: 20px; margin: 0; width: 52px; height: 52px; }
  .lb-prev { left: 20px; } .lb-next { right: 20px; }
  .lightbox figure { padding: 70px 8px 90px; }
  .lightbox img { max-height: calc(100vh - 180px); }
  .foot-links { gap: 10px 24px; } .foot-links a { font-size: 16px; } .foot-copy { font-size: 14px; } .foot-biz { font-size: 13px; gap: 4px 16px; }

  .hero { padding: 112px 0 36px; }
  .hero-in { min-height: 0; }
  .hero-btns .btn { flex: 1; }
  .stats { margin-top: 48px; gap: 10px; }
  .stat { padding: 18px; border-radius: 18px; }
  .sec { padding: 88px 0; }
  .sub-title { margin-top: 64px; }
  .products, .facilities, .cards3, .steps { grid-template-columns: 1fr; }
  .shortcuts { grid-template-columns: 1fr; gap: 10px; }
  .shortcut { min-height: 0; padding: 20px 22px; border-radius: 22px; display: grid; grid-template-columns: auto 1fr; column-gap: 16px; align-items: center; }
  .shortcut-dot { grid-row: span 2; margin: 0; }
  .shortcut b { margin-top: 0; }
  .lang { margin-left: auto; }
  .lang span { display: none; }
  .menu-btn { margin-left: 4px; }
  .shortcut b { font-size: 18px; }
  .shortcut-dot { width: 36px; height: 36px; border-radius: 12px; }
  .page-head { padding: 112px 0 56px; }
  .page .sec { padding: 72px 0; }
  .features, .materials, .uses, .quality, .certs, .flow { grid-template-columns: 1fr; }
  .flow li { display: grid; grid-template-columns: auto 1fr; gap: 2px 14px; padding: 18px; }
  .flow li > span { grid-row: span 2; margin: 0; }
  .product-info { padding: 26px 22px 30px; }
  .product-info h3 { font-size: 24px; }
  .product-desc { font-size: 16px; }
  .ticks { grid-template-columns: 1fr; }
  .overview > div { grid-template-columns: 1fr; gap: 2px; padding: 16px 2px; }
  .compare th, .compare td { padding: 14px 16px; font-size: 15px; }
  .spin { max-width: 300px; }
  .next-in { grid-template-columns: 1fr; }
  .next-band { padding-bottom: 72px; }
  .next-card { padding: 26px 24px; border-radius: 24px; }
  .next-card b { font-size: 22px; }
  .q b { font-size: 34px; }
  .feature, .cert, .q { padding: 26px 24px; }
  .card { padding: 26px; }
  .material { padding: 28px 24px; margin-top: 64px; }
  .material-grid { grid-template-columns: 1fr; gap: 18px; }
  .year { grid-template-columns: 1fr; gap: 8px; }
  .year b { font-size: 24px; }
  .about-body p { font-size: 17px; }
  .foot { padding-bottom: 48px; }
}

/* 움직임을 줄이도록 설정한 사람에게는 멈춘 화면 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}