/* ==========================================================================
   아이옵㈜ 홈페이지
   Layout: 다크 잉크 히어로 + 밝은 본문의 교차 구성. CAD 도면처럼 가는 선, 고정폭 숫자.
   ========================================================================== */
@font-face{font-family:"Pretendard";src:url("../fonts/PretendardVariable.woff2") format("woff2-variations");font-weight:45 920;font-style:normal;font-display:swap}

:root{
  --navy:#105689;        /* 로고 원본 */
  --navy-700:#0C4370;
  --ink:#0A1B2E;         /* 히어로·푸터 */
  --ink-2:#0F2740;
  --ink-3:#163556;
  --cyan:#0DD4D9;        /* 포인트 (회사소개서) */
  --cyan-600:#0AB5BA;
  --teal:#0A8F96;        /* 흰 배경 위 시안 대체 */
  --glass:#E8F4FC;       /* 로고 렌즈 중심 */
  --bg:#FFFFFF;
  --gray-50:#F4F7FA;
  --gray-100:#EAF0F5;
  --line:#DCE4EC;
  --line-dark:rgba(150,190,225,.18);
  --fg:#13202E;
  --muted:#5A6878;
  --on-dark:#E6EEF6;
  --on-dark-muted:#9DB0C4;

  --f-body:"Pretendard",-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --f-en:"Archivo","Pretendard",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --container:1240px;
  --gutter:max(20px,env(safe-area-inset-left,0px));
  --gutter-r:max(20px,env(safe-area-inset-right,0px));
  --hd-h:76px;
  --radius:6px;
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:calc(var(--hd-h) + 64px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:16px;line-height:1.7;letter-spacing:-.01em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.025em;text-wrap:balance;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--cyan);color:var(--ink);padding:8px 14px;font-weight:700}
.skip:focus{left:12px}
[hidden]{display:none!important}

.container{max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter-r)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums;letter-spacing:0}
.en{font-family:var(--f-en)}

/* ---------- type helpers ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);font-weight:500}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor}
.dark .eyebrow,.eyebrow.on-dark{color:var(--cyan)}
.sec-title{font-size:clamp(28px,3.4vw,44px);font-weight:700;margin-top:14px}
.sec-lead{font-size:clamp(16px,1.3vw,18px);color:var(--muted);margin-top:16px;max-width:60ch}
.dark .sec-lead{color:var(--on-dark-muted)}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px 40px;margin-bottom:56px}
.sec-head > div{min-width:0;max-width:720px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;border-radius:var(--radius);font-weight:600;font-size:16px;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,transform .2s;white-space:nowrap;cursor:pointer}
.btn svg{width:18px;height:18px;fill:currentColor;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px}
.btn-lg{height:58px;padding:0 30px;font-size:17px}
.btn-accent{background:var(--cyan);color:#05313A}
.btn-accent:hover{background:#3BE2E6}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-700)}
.btn-ghost{border-color:rgba(230,238,246,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-line{border-color:var(--line);color:var(--fg);background:#fff}
.btn-line:hover{border-color:var(--navy);color:var(--navy)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--navy)}
.link-arrow svg{width:18px;height:18px;fill:currentColor;transition:transform .25s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.dark .link-arrow,.dark-2 .link-arrow{color:var(--cyan)}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{position:fixed;inset:0 0 auto;z-index:100;padding-top:env(safe-area-inset-top,0px);background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:background .3s,border-color .3s,box-shadow .3s;backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px)}
.hd-inner{max-width:var(--container);margin:0 auto;height:var(--hd-h);display:flex;align-items:center;gap:32px;padding-left:var(--gutter);padding-right:var(--gutter-r)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:34px;height:auto}
.brand .on-dark{display:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:21px;font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.brand-text small{font-family:var(--f-en);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
.gnb{flex:1;display:flex;justify-content:center}
.gnb > ul{display:flex;gap:4px}
.gnb-item{position:relative}
.gnb-link{display:flex;align-items:center;height:var(--hd-h);padding:0 22px;font-weight:600;font-size:16.5px;position:relative;transition:color .2s}
.gnb-link::after{content:"";position:absolute;left:22px;right:22px;bottom:20px;height:2px;background:var(--cyan);transform:scaleX(0);transition:transform .25s var(--ease)}
.gnb-item:hover .gnb-link::after,.gnb-link[aria-current]::after{transform:scaleX(1)}
.gnb-link[aria-current]{color:var(--navy)}
.gnb-sub{position:absolute;top:calc(var(--hd-h) - 8px);left:50%;transform:translate(-50%,6px);min-width:200px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 40px -18px rgba(10,27,46,.35);padding:10px;opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
.gnb-item:hover .gnb-sub,.gnb-item:focus-within .gnb-sub{opacity:1;visibility:visible;transform:translate(-50%,0)}
.gnb-sub a{display:block;padding:9px 14px;border-radius:4px;font-size:15px;color:var(--fg);white-space:nowrap}
.gnb-sub a:hover{background:var(--gray-50);color:var(--navy)}
.hd-cta{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.hd-tel{display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-weight:500;font-size:15.5px;color:var(--navy)}
.hd-tel svg{width:17px;height:17px;fill:var(--teal)}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;padding:10px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px}
.menu-btn span{display:block;height:2px;background:currentColor;border-radius:2px;transition:transform .25s,opacity .25s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* transparent header over dark hero */
.has-hero .site-header:not(.scrolled):not(.open){background:transparent;border-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;color:#fff}
.has-hero .site-header:not(.scrolled):not(.open) .brand .on-dark{display:block}
.has-hero .site-header:not(.scrolled):not(.open) .brand .on-light{display:none}
.has-hero .site-header:not(.scrolled):not(.open) .brand-text b{color:#fff}
.has-hero .site-header:not(.scrolled):not(.open) .brand-text small{color:var(--on-dark-muted)}
.has-hero .site-header:not(.scrolled):not(.open) .gnb-link[aria-current]{color:#fff}
.has-hero .site-header:not(.scrolled):not(.open) .hd-tel{color:#fff}
.has-hero .site-header:not(.scrolled):not(.open) .hd-tel svg{fill:var(--cyan)}
.site-header.scrolled{box-shadow:0 6px 24px -16px rgba(10,27,46,.4)}
/* 메뉴가 열리면 blur 효과를 끈다: backdrop-filter가 있으면 안쪽 fixed 메뉴가 헤더 높이(0)에 갇혀 보이지 않음 */
.site-header.open{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff}

/* mobile nav */
.mnav{position:fixed;inset:calc(var(--hd-h) + env(safe-area-inset-top,0px)) 0 0;background:#fff;overflow-y:auto;color:var(--fg)}
.mnav-inner{padding:12px max(20px,env(safe-area-inset-left,0px)) calc(40px + env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-right,0px));display:flex;flex-direction:column}
.m-group{border-bottom:1px solid var(--line);padding:14px 0}
.m-top{display:block;font-size:20px;font-weight:700;padding:4px 0}
.m-subs{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:6px}
.m-subs a{font-size:15px;color:var(--muted);padding:4px 0}
.m-cta{margin-top:28px}
.m-tel{text-align:center;margin-top:14px;font-family:var(--f-mono);font-size:18px;color:var(--navy)}

/* ==========================================================================
   Home hero
   ========================================================================== */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,27,46,.92) 0%,rgba(10,27,46,.55) 42%,rgba(10,27,46,0) 70%);pointer-events:none}
.hero-inner{min-height:min(860px,100svh);display:flex;flex-direction:column;justify-content:center;padding-block:calc(var(--hd-h) + 72px) 64px}
.hero h1{font-size:clamp(29px,4.4vw,58px);font-weight:750;line-height:1.18;letter-spacing:-.035em;margin-top:22px;max-width:14em}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero-sub{font-size:clamp(16px,1.4vw,19px);color:var(--on-dark-muted);margin-top:24px;max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.hero-actions .btn-ghost{font-family:var(--f-mono);font-weight:500}
.hero-actions .btn-ghost svg{width:17px;height:17px}
.hero-actions .btn-ghost:hover svg{transform:none}
.hero-spec{position:absolute;right:max(var(--gutter-r),calc((100vw - var(--container)) / 2 + 20px));top:calc(var(--hd-h) + 36px);font-family:var(--f-mono);font-size:11.5px;color:rgba(157,176,196,.8);letter-spacing:.06em;text-align:right;line-height:1.9;pointer-events:none}
.hero-spec b{color:var(--cyan);font-weight:500}

.stats{position:relative;border-top:1px solid var(--line-dark);background:rgba(10,27,46,.7);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.stats ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stats li{padding:26px 28px;border-left:1px solid var(--line-dark);min-width:0}
.stats li:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--f-en);font-weight:700;font-size:clamp(28px,3vw,42px);line-height:1.1;letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:#fff;font-stretch:92%}
.stat-num small{font-size:.5em;font-weight:600;color:var(--cyan);margin-left:4px;letter-spacing:0}
.stat-label{font-size:14px;color:var(--on-dark-muted);margin-top:6px}

/* ==========================================================================
   Sections
   ========================================================================== */
.section{padding-block:clamp(80px,10vw,140px)}
.section.tight{padding-block:clamp(64px,7vw,100px)}
.bg-gray{background:var(--gray-50)}
.bg-glass{background:var(--glass)}
.dark{background:var(--ink);color:var(--on-dark)}
.dark-2{background:var(--ink-2);color:var(--on-dark)}
.dark h2,.dark h3,.dark-2 h2,.dark-2 h3{color:#fff}
.dark-2 .sec-lead{color:var(--on-dark-muted)}
.dark-2 .eyebrow{color:var(--cyan)}
.blueprint{background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:56px 56px;background-position:-1px -1px}

/* strengths */
.strengths{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--fg)}
.strength{padding:36px 28px 40px 0;border-right:1px solid var(--line);min-width:0}
.strength + .strength{padding-left:28px}
.strength:last-child{border-right:0}
.strength-icon{width:52px;height:52px;color:var(--navy)}
.strength-icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.4}
.strength h3{font-size:21px;margin-top:28px}
.strength p{color:var(--muted);margin-top:12px;font-size:15.5px}
.strength .figure{display:block;font-family:var(--f-en);font-weight:700;font-size:15px;color:var(--teal);margin-top:20px;letter-spacing:.02em}

/* process (home) */
.process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.step:hover{transform:translateY(-6px);box-shadow:0 24px 40px -28px rgba(10,27,46,.45);border-color:#C5D3E0}
.step-img{aspect-ratio:4/3;overflow:hidden;background:var(--gray-100)}
.step-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.step:hover .step-img img{transform:scale(1.05)}
.step-img.drawing{background:#fff;padding:14px}
.step-img.drawing img{object-fit:contain}
.step-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:8px}
.step-no{font-family:var(--f-mono);font-size:12px;color:var(--teal);letter-spacing:.1em}
.step h3{font-size:18.5px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.6}

/* signature: aspheric mold */
.mold{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:center}
.mold-visual{position:relative}
.mold-visual .main{position:relative}
.mold-visual img{width:100%;border-radius:var(--radius);aspect-ratio:960/675;object-fit:cover}
.mold-visual .tag{position:absolute;left:16px;bottom:16px;font-family:var(--f-mono);font-size:12px;background:rgba(10,27,46,.82);color:var(--cyan);padding:6px 10px;border-radius:3px;letter-spacing:.06em}
.mold-visual .thumbs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.mold-visual .thumbs img{aspect-ratio:16/8;object-fit:cover}
.points{display:flex;flex-direction:column;margin-top:40px;border-top:1px solid var(--line-dark)}
.point{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;padding:26px 0;border-bottom:1px solid var(--line-dark)}
.point dt{font-family:var(--f-mono);font-size:12.5px;color:var(--cyan);letter-spacing:.08em;padding-top:4px}
.point dd{margin:0}
.point h3{font-size:19px}
.point p{color:var(--on-dark-muted);font-size:15px;margin-top:8px}

/* products (home cards) */
.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.product{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:border-color .3s,box-shadow .3s var(--ease),transform .3s var(--ease);min-width:0}
.product:hover{border-color:var(--navy);box-shadow:0 26px 44px -30px rgba(16,86,137,.55);transform:translateY(-4px)}
.product-visual{position:relative;aspect-ratio:16/11;background:#fff;border-bottom:1px solid var(--line);display:grid;place-items:center;padding:22px;overflow:hidden}
.product-visual::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--gray-100) 1px,transparent 1px),linear-gradient(90deg,var(--gray-100) 1px,transparent 1px);background-size:24px 24px;opacity:.7}
.product-visual > img.drawing{position:relative;max-height:100%;width:auto;object-fit:contain;mix-blend-mode:multiply}
.product-photo{position:absolute;right:14px;bottom:14px;width:78px;height:78px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 8px 18px -10px rgba(10,27,46,.4);display:grid;place-items:center;overflow:hidden}
.product-photo img{width:82%;height:82%;object-fit:contain}
.product-body{padding:24px 24px 28px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-cat{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
.product h3{font-size:20px}
.product p{font-size:14.5px;color:var(--muted)}
.product .specline{margin-top:auto;padding-top:14px;font-family:var(--f-mono);font-size:12.5px;color:var(--fg);display:flex;flex-wrap:wrap;gap:6px}
.product .specline span{background:var(--gray-50);border:1px solid var(--line);padding:2px 8px;border-radius:3px}
.product.custom{background:var(--navy);color:#fff;border-color:var(--navy);justify-content:space-between;padding:32px}
.product.custom:hover{background:var(--navy-700)}
.product.custom h3{font-size:24px;color:#fff}
.product.custom p{color:#CFE0EF;font-size:15.5px;margin-top:12px}
.product.custom .link-arrow{color:var(--cyan);margin-top:28px}

/* applications (tabs) */
.app-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:40px}
.app-tab{border:1px solid var(--line-dark);background:transparent;color:var(--on-dark-muted);height:46px;padding:0 22px;border-radius:999px;font-weight:600;cursor:pointer;transition:all .2s}
.app-tab:hover{color:#fff;border-color:rgba(230,238,246,.5)}
.app-tab[aria-selected="true"]{background:var(--cyan);border-color:var(--cyan);color:#05313A}
.app-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:center}
.app-illust{aspect-ratio:5/4;border:1px solid var(--line-dark);border-radius:var(--radius);display:grid;place-items:center;background:radial-gradient(circle at 50% 45%,rgba(13,212,217,.12),transparent 60%)}
.app-illust svg{width:78%;height:auto}
.app-panel h3{font-size:clamp(24px,2.4vw,32px)}
.app-panel > div > p{color:var(--on-dark-muted);margin-top:16px;font-size:16.5px}
.req-list{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden}
.req-list li{background:var(--ink-2);padding:16px 18px;min-width:0}
.req-list b{display:block;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;color:var(--cyan);font-weight:500;text-transform:uppercase}
.req-list span{font-size:15px;color:#fff}

/* partner */
.partner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:clamp(32px,5vw,80px);align-items:center}
.partner-card{border:1px solid var(--line);border-radius:var(--radius);padding:40px;display:flex;flex-direction:column;gap:20px;background:#fff}
.partner-name{font-size:34px;font-weight:800;letter-spacing:-.03em;color:var(--fg)}
.partner-name small{display:block;font-size:14px;font-weight:500;color:var(--muted);letter-spacing:0;margin-top:4px}
.partner-meta{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;padding:5px 12px;border-radius:999px;background:var(--gray-50);border:1px solid var(--line);color:var(--fg)}
.chip.mono{font-size:12.5px}
.base-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.base{border-left:2px solid var(--cyan);padding:4px 0 4px 18px}
.base b{display:block;font-size:17px}
.base span{font-size:14.5px;color:var(--muted)}

/* CTA */
.cta{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(40px,6vw,96px);align-items:start}
.cta-contacts{display:flex;flex-direction:column;gap:2px;margin-top:40px;border-top:1px solid #C9DCEB}
.cta-contacts a,.cta-contacts div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:16px;padding:18px 0;border-bottom:1px solid #C9DCEB;align-items:baseline}
.cta-contacts dt,.cta-contacts .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--teal);text-transform:uppercase}
.cta-contacts .v{font-size:20px;font-weight:600;color:var(--fg)}
.cta-contacts .v.mono{font-size:21px}
.cta-contacts a:hover .v{color:var(--navy)}

/* ---------- forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:clamp(24px,3vw,40px);box-shadow:0 30px 60px -40px rgba(10,27,46,.35)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field.full{grid-column:1/-1}
.field label,.field .lbl{font-size:14px;font-weight:600;color:var(--fg)}
.field label .req,.field .lbl .req{color:var(--teal);margin-left:3px}
.field input,.field select,.field textarea{width:100%;height:50px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;font-size:15.5px;transition:border-color .2s,box-shadow .2s}
.field textarea{height:auto;min-height:140px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(16,86,137,.14)}
.field input[type="file"]{padding:11px 12px;height:auto;background:var(--gray-50)}
.field .hint{font-size:12.5px;color:var(--muted)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#C8452C}
.field .err{font-size:12.5px;color:#C8452C;display:none}
.field.invalid .err{display:block}
.choice-row{display:flex;flex-wrap:wrap;gap:8px}
.choice{position:relative}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice span{display:inline-flex;align-items:center;height:42px;padding:0 16px;border:1px solid var(--line);border-radius:999px;font-size:14.5px;cursor:pointer;transition:all .2s;background:#fff}
.choice input:checked + span{background:var(--navy);border-color:var(--navy);color:#fff}
.choice input:focus-visible + span{outline:2px solid var(--cyan);outline-offset:2px}
.spec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.spec-grid input{font-family:var(--f-mono);font-size:14.5px}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted)}
.agree input{width:20px;height:20px;margin-top:2px;accent-color:var(--navy);flex:0 0 auto}
.agree a{color:var(--navy);text-decoration:underline;text-underline-offset:3px}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:8px}
.form-actions .btn{min-width:200px}
.form-status{font-size:14.5px;border-radius:var(--radius);padding:14px 16px;display:none}
.form-status.show{display:block}
.form-status.ok{background:#E3F6F4;color:#0A5F63;border:1px solid #A9E2DE}
.form-status.info{background:var(--glass);color:var(--navy-700);border:1px solid #BFDDF2}
.form-status.err{background:#FBEBE7;color:#9A3420;border:1px solid #F0C3B7}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ==========================================================================
   Sub pages
   ========================================================================== */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(100deg,transparent 30%,#000 90%);-webkit-mask-image:linear-gradient(100deg,transparent 30%,#000 90%)}
.page-hero-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;opacity:.28}
.page-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 25%,rgba(10,27,46,.4))}
.page-hero .container{padding-block:calc(var(--hd-h) + 80px) 72px}
.crumb{display:flex;gap:10px;font-size:13.5px;color:var(--on-dark-muted);font-family:var(--f-mono);letter-spacing:.04em}
.crumb a:hover{color:#fff}
.crumb span[aria-hidden]{opacity:.5}
.page-hero h1{font-size:clamp(36px,5vw,64px);font-weight:750;margin-top:20px;letter-spacing:-.035em}
.page-hero h1 .en{display:block;font-size:.32em;font-weight:600;letter-spacing:.2em;color:var(--cyan);text-transform:uppercase;margin-bottom:12px;font-stretch:110%}
.page-hero p{color:var(--on-dark-muted);font-size:clamp(16px,1.4vw,19px);margin-top:20px;max-width:46em}

.subnav{position:sticky;top:calc(var(--hd-h) + env(safe-area-inset-top,0px));z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.subnav .container{overflow-x:auto;scrollbar-width:none}
.subnav .container::-webkit-scrollbar{display:none}
.subnav ul{display:flex;gap:6px;white-space:nowrap}
.subnav a{display:block;padding:18px 16px;font-size:15.5px;font-weight:600;color:var(--muted);position:relative;transition:color .2s}
.subnav a::after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;background:var(--navy);transform:scaleX(0);transition:transform .25s var(--ease)}
.subnav a:hover{color:var(--fg)}
.subnav a.active{color:var(--navy)}
.subnav a.active::after{transform:scaleX(1)}

.block{padding-block:clamp(72px,9vw,120px);border-bottom:1px solid var(--line)}
.block:last-of-type{border-bottom:0}
.block-head{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:24px 64px;margin-bottom:56px}
.block-head h2{font-size:clamp(26px,3vw,38px);margin-top:12px}
.block-head .sec-lead{margin-top:0;align-self:end}

/* greeting */
.greeting{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:24px 64px}
.greeting blockquote{margin:0;font-size:clamp(22px,2.2vw,30px);font-weight:600;line-height:1.5;letter-spacing:-.03em;color:var(--navy)}
.greeting .body{display:flex;flex-direction:column;gap:18px;font-size:17px;color:#334252;max-width:68ch}
.greeting .sign{margin-top:16px;font-size:16px;color:var(--muted)}
.greeting .sign b{font-size:21px;color:var(--fg);margin-left:12px;letter-spacing:.1em}

/* overview */
.overview{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:stretch}
.info-table{border-top:2px solid var(--fg)}
.info-table div{display:grid;grid-template-columns:140px minmax(0,1fr);gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.info-table dt{color:var(--muted);font-size:15px}
.info-table dd{margin:0;font-weight:500}
.aiop-name{background:var(--ink);color:#fff;border-radius:var(--radius);padding:40px;display:flex;flex-direction:column;justify-content:space-between;gap:28px;position:relative;overflow:hidden}
.aiop-name img{position:absolute;right:-40px;bottom:-40px;width:260px;opacity:.08}
.aiop-letters{display:flex;flex-direction:column;gap:6px}
.aiop-letters div{display:flex;align-items:baseline;gap:16px;font-family:var(--f-en);font-size:clamp(22px,2.4vw,30px);font-weight:600;color:var(--on-dark-muted);font-stretch:95%}
.aiop-letters b{width:36px;font-size:1.5em;font-weight:800;color:var(--cyan);font-stretch:100%}
.aiop-name p{color:var(--on-dark-muted);font-size:15px}

/* timeline */
.timeline{position:relative;display:flex;flex-direction:column}
.timeline::before{content:"";position:absolute;left:150px;top:10px;bottom:10px;width:1px;background:var(--line)}
.tl-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:0;padding:22px 0}
.tl-year{font-family:var(--f-en);font-weight:700;font-size:30px;color:var(--navy);line-height:1;font-variant-numeric:tabular-nums;font-stretch:90%}
.tl-items{position:relative;padding-left:44px;display:flex;flex-direction:column;gap:10px}
.tl-items::before{content:"";position:absolute;left:-6px;top:8px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--navy)}
.tl-row:first-child .tl-items::before{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 6px rgba(13,212,217,.18)}
.tl-items li{font-size:16.5px;padding-left:16px;position:relative}
.tl-items li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:1px;background:var(--muted)}
.tl-items li small{display:block;color:var(--muted);font-size:14.5px}

/* org chart */
.org{display:flex;flex-direction:column;align-items:center}
.org-ceo{background:var(--navy);color:#fff;border-radius:var(--radius);padding:18px 48px;text-align:center}
.org-ceo b{display:block;font-size:20px}
.org-ceo span{font-family:var(--f-mono);font-size:12px;color:#CFE0EF;letter-spacing:.1em}
.org-stem{width:1px;height:40px;background:var(--fg)}
.org-depts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;width:100%;position:relative;padding-top:40px}
.org-depts::before{content:"";position:absolute;top:0;left:calc(100%/6);right:calc(100%/6);height:1px;background:var(--fg)}
.org-dept{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;background:#fff;min-width:0}
.org-dept::before{content:"";position:absolute;top:-41px;left:50%;width:1px;height:40px;background:var(--fg)}
.org-dept .en{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);font-weight:600}
.org-dept h3{font-size:20px;margin-top:6px}
.org-dept ul{margin-top:14px;display:flex;flex-direction:column;gap:6px;font-size:15px;color:var(--muted)}
.org-dept li::before{content:"· ";color:var(--teal)}

/* location */
.location{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px}
.map-card{position:relative;min-height:380px;border-radius:var(--radius);overflow:hidden;background:var(--ink-2);color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;isolation:isolate}
.map-card svg.map-art{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.map-card h3{font-size:22px}
.map-card p{color:var(--on-dark-muted);margin-top:6px}
.map-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.loc-info{display:flex;flex-direction:column;border-top:2px solid var(--fg)}
.loc-info div{padding:22px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.loc-info dt{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--teal);text-transform:uppercase}
.loc-info dd{margin:0;font-size:18px;font-weight:600;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.copy-btn{border:1px solid var(--line);background:#fff;border-radius:4px;font-size:12.5px;padding:3px 10px;cursor:pointer;font-weight:500;color:var(--muted)}
.copy-btn:hover{border-color:var(--navy);color:var(--navy)}

/* technology */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.param-table{width:100%;border-collapse:collapse;font-size:15px;margin-top:28px}
.param-table th,.param-table td{text-align:left;padding:13px 0;border-bottom:1px solid var(--line);vertical-align:top}
.param-table th{width:44%;color:var(--muted);font-weight:500}
.param-table td{font-family:var(--f-mono);font-size:14px}
.drawings{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawings figure{position:relative;margin:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:18px;display:flex;flex-direction:column;gap:10px;min-width:0}
.drawings figure:first-child{grid-column:1/-1}
.drawings img{width:100%;aspect-ratio:16/10;object-fit:contain}
.drawings figcaption{font-family:var(--f-mono);font-size:12px;color:var(--muted);letter-spacing:.04em}
.mold-gallery{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:auto auto;gap:12px}
.mold-gallery figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;background:var(--gray-100)}
.mold-gallery figure:first-child{grid-row:1/3}
.mold-gallery img{width:100%;height:100%;object-fit:cover}
.mold-gallery figcaption{position:absolute;left:12px;bottom:12px;background:rgba(10,27,46,.82);color:#fff;font-size:13px;padding:5px 10px;border-radius:3px}
.feature-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:48px}
.feature{border-top:2px solid var(--navy);padding-top:22px;min-width:0}
.feature .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--teal);text-transform:uppercase}
.feature h3{font-size:20px;margin-top:8px}
.feature p{color:var(--muted);margin-top:10px;font-size:15.5px}
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin-top:8px;counter-reset:flow}
.flow.six{grid-template-columns:repeat(6,minmax(0,1fr))}
.flow li{position:relative;padding:0 18px 0 0;min-width:0}
.flow li::before{counter-increment:flow;content:counter(flow,decimal-leading-zero);display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--navy);color:var(--navy);font-family:var(--f-mono);font-size:13px;background:#fff;position:relative;z-index:1}
.flow li::after{content:"";position:absolute;top:22px;left:44px;right:0;height:1px;background:var(--line)}
.flow li:last-child::after{display:none}
.flow h4{font-size:17px;margin-top:18px}
.flow h4 small{display:block;font-family:var(--f-mono);font-size:11.5px;color:var(--teal);font-weight:500;letter-spacing:.06em;margin-bottom:2px}
.flow p{font-size:14.5px;color:var(--muted);margin-top:8px;line-height:1.6}
.photo-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:56px}
.photo-strip figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:var(--gray-100)}
.photo-strip img{width:100%;height:100%;object-fit:cover}
.photo-strip figcaption{position:absolute;left:12px;bottom:12px;background:rgba(10,27,46,.82);color:#fff;font-size:13px;padding:5px 10px;border-radius:3px;font-family:var(--f-mono);letter-spacing:.02em}
.metal-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;counter-reset:m}
.metal-steps li{display:flex;flex-direction:column;gap:14px;min-width:0}
.metal-steps .ph{aspect-ratio:5/4;border-radius:var(--radius);overflow:hidden;background:var(--gray-100)}
.metal-steps .ph img{width:100%;height:100%;object-fit:cover}
.metal-steps h4{font-size:17px;display:flex;gap:10px;align-items:baseline}
.metal-steps h4::before{counter-increment:m;content:counter(m,decimal-leading-zero);font-family:var(--f-mono);font-size:12px;color:var(--teal);font-weight:500}
.metal-steps p{font-size:14.5px;color:var(--muted);margin-top:-6px;line-height:1.6}
.note{font-size:14px;color:var(--muted);margin-top:24px;padding-left:14px;border-left:2px solid var(--line)}
.quality{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(32px,5vw,72px);align-items:center}
.fringe{aspect-ratio:1;max-width:440px;width:100%;margin:0 auto}
.q-list{display:flex;flex-direction:column;border-top:1px solid var(--line-dark)}
.q-list li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--line-dark)}
.q-list b{color:#fff;font-size:17px}
.q-list p{color:var(--on-dark-muted);font-size:15px}

/* products page */
.cat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cat{background:#fff;padding:32px;min-width:0}
.cat .en{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);font-stretch:110%}
.cat h3{font-size:22px;margin-top:8px}
.cat p{color:var(--muted);font-size:15px;margin-top:10px}
.cat .chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.prod-detail{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.prod-figure{border:1px solid var(--line);border-radius:var(--radius);background:#fff;position:relative;overflow:hidden}
.prod-figure .sheet{position:relative;padding:32px;aspect-ratio:4/3;display:grid;place-items:center}
.prod-figure .sheet::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--gray-100) 1px,transparent 1px),linear-gradient(90deg,var(--gray-100) 1px,transparent 1px);background-size:24px 24px}
.prod-figure .sheet img{position:relative;max-height:100%;width:auto;object-fit:contain;mix-blend-mode:multiply}
.prod-figure .titleblock{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);font-family:var(--f-mono);font-size:11.5px}
.prod-figure .titleblock div{padding:10px 14px;border-left:1px solid var(--line);min-width:0}
.prod-figure .titleblock div:first-child{border-left:0}
.prod-figure .titleblock span{display:block;color:var(--muted);font-size:10.5px;letter-spacing:.1em}
.prod-figure .product-photo{width:96px;height:96px;top:16px;right:16px;bottom:auto}
.prod-info .product-cat{font-size:12.5px}
.prod-info h2{font-size:clamp(26px,2.8vw,36px);margin-top:10px}
.prod-info > p{color:var(--muted);margin-top:16px;font-size:16.5px}
.spec-table{width:100%;border-collapse:collapse;margin-top:28px;font-size:15px}
.spec-table th,.spec-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-table thead th{background:var(--ink);color:#fff;font-weight:600;font-size:13.5px}
.spec-table tbody th{width:42%;font-weight:500;color:var(--muted);background:var(--gray-50)}
.spec-table td{font-family:var(--f-mono);font-size:14px}
.table-scroll{overflow-x:auto}
.parts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:20px}
.parts figure{margin:0;border:1px solid var(--line);border-radius:var(--radius);padding:14px 10px 12px;display:flex;flex-direction:column;align-items:center;gap:10px;background:#fff;min-width:0}
.parts img{height:56px;width:auto;object-fit:contain}
.parts figcaption{font-size:12.5px;color:var(--muted);text-align:center;line-height:1.4}
.uses{display:flex;flex-wrap:wrap;gap:6px;margin-top:24px}
.prod-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.custom-box{background:var(--ink);color:#fff;border-radius:10px;padding:clamp(32px,5vw,64px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;position:relative;overflow:hidden}
.custom-box h2{font-size:clamp(26px,3vw,38px);color:#fff}
.custom-box p{color:var(--on-dark-muted);margin-top:16px}
.custom-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden;align-self:start}
.custom-list li{background:var(--ink-2);padding:16px 18px;min-width:0}
.custom-list b{display:block;font-family:var(--f-mono);font-size:11.5px;color:var(--cyan);letter-spacing:.08em;font-weight:500}
.custom-list span{font-size:15px}

/* applications page */
.app-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(32px,5vw,80px);align-items:center}
.app-block.flip .app-art{order:2}
.app-art{aspect-ratio:5/4;border-radius:var(--radius);background:var(--ink);display:grid;place-items:center;position:relative;overflow:hidden}
.app-art::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:32px 32px;opacity:.6}
.app-art svg{position:relative;width:76%;height:auto}
.app-art .label{position:absolute;left:16px;top:14px;font-family:var(--f-mono);font-size:11.5px;color:var(--cyan);letter-spacing:.12em}
.app-copy h2{font-size:clamp(26px,2.8vw,36px);margin-top:12px}
.app-copy > p{color:var(--muted);margin-top:16px;font-size:16.5px}
.need{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.need h4{font-size:14px;font-family:var(--f-mono);letter-spacing:.08em;color:var(--teal);font-weight:500;text-transform:uppercase}
.need ul{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.need li{padding-left:18px;position:relative;font-size:15.5px}
.need li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:1px;background:var(--navy)}

/* contact page */
.contact-grid{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.contact-aside{position:sticky;top:calc(var(--hd-h) + 90px);display:flex;flex-direction:column;gap:24px}
.contact-aside h2{font-size:clamp(26px,2.8vw,36px)}
.contact-aside p{color:var(--muted)}
.mini-steps{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);counter-reset:ms}
.mini-steps li{display:grid;grid-template-columns:36px minmax(0,1fr);gap:8px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
.mini-steps li::before{counter-increment:ms;content:counter(ms,decimal-leading-zero);font-family:var(--f-mono);font-size:12px;color:var(--teal);padding-top:3px}
.fieldset{border:0;padding:0;margin:0 0 32px}
.fieldset legend{font-size:17px;font-weight:700;padding:0;margin-bottom:18px;display:flex;align-items:center;gap:10px;width:100%}
.fieldset legend::after{content:"";flex:1;height:1px;background:var(--line)}
.slots{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.slots .choice span{width:100%;justify-content:center;font-family:var(--f-mono);font-size:13.5px;border-radius:var(--radius)}
.contact-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.c-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:6px;background:#fff;min-width:0;transition:border-color .2s}
a.c-card:hover{border-color:var(--navy)}
.c-card .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--teal);text-transform:uppercase}
.c-card .v{font-size:19px;font-weight:700;overflow-wrap:anywhere}
.c-card .v.mono{font-size:20px}
.c-card p{font-size:14px;color:var(--muted)}
.faq{border-top:2px solid var(--fg)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-size:17.5px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q.";font-family:var(--f-en);color:var(--teal);margin-right:12px;font-weight:700}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 0 24px 34px;color:var(--muted);font-size:16px}

/* privacy */
.legal{max-width:820px}
.legal h2{font-size:21px;margin-top:44px}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{color:#334252;margin-top:12px;font-size:16px}
.legal ul{list-style:disc;padding-left:22px}
.legal table{width:100%;border-collapse:collapse;margin-top:16px;font-size:15px}
.legal th,.legal td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.legal th{background:var(--gray-50);font-weight:600}

/* ==========================================================================
   Footer & floating
   ========================================================================== */
.site-footer{background:var(--ink);color:var(--on-dark-muted);font-size:14.5px;padding-bottom:env(safe-area-inset-bottom,0px)}
.ft-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr) minmax(0,1fr);gap:40px;padding-block:72px 48px}
.ft-brand{display:flex;gap:16px;align-items:flex-start}
.ft-brand b{color:#fff;font-size:20px}
.ft-brand p{font-family:var(--f-en);font-size:13px;letter-spacing:.06em;margin-top:4px}
.ft-info{display:grid;grid-template-columns:1fr 1fr;gap:10px 32px;margin:0}
.ft-info div{display:flex;gap:12px;min-width:0}
.ft-info .wide{grid-column:1/-1}
.ft-info dt{color:#6F859C;flex:0 0 auto}
.ft-info dd{margin:0;color:var(--on-dark)}
.ft-info a:hover{color:var(--cyan)}
.ft-menu{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.ft-menu a{color:var(--on-dark)}
.ft-menu a:hover{color:var(--cyan)}
.ft-menu b{color:#fff}
.ft-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:24px 32px;border-top:1px solid var(--line-dark);font-size:13px}
.ft-aiop{font-family:var(--f-en);letter-spacing:.14em;text-transform:uppercase;color:#6F859C}

.fabs{position:fixed;right:max(24px,env(safe-area-inset-right,0px));bottom:max(24px,env(safe-area-inset-bottom,0px));z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.fab{display:flex;align-items:center;gap:0;height:56px;min-width:56px;border-radius:28px;padding:0 18px;box-shadow:0 12px 28px -12px rgba(10,27,46,.55);font-weight:700;font-size:15px;overflow:hidden;transition:transform .2s,box-shadow .2s}
.fab svg{width:22px;height:22px;fill:currentColor;flex:0 0 auto}
.fab span{max-width:0;opacity:0;white-space:nowrap;transition:max-width .3s var(--ease),opacity .25s,margin .3s;margin-left:0}
.fab:hover span,.fab:focus-visible span{max-width:200px;opacity:1;margin-left:10px}
.fab:hover{transform:translateY(-2px)}
.fab-quote{background:var(--cyan);color:#05313A}
.fab-quote span{max-width:200px;opacity:1;margin-left:10px}
.fab-kakao{background:#FEE500;color:#191600}
.fab-tel{background:var(--navy);color:#fff}
.fab-tel span{font-family:var(--f-mono);font-weight:500}
.fab-top{background:#fff;color:var(--fg);border:1px solid var(--line);padding:0;justify-content:center;width:56px;opacity:0;pointer-events:none;transition:opacity .3s}
.fab-top.show{opacity:1;pointer-events:auto}
.mbar{display:none}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}.js .reveal.d4{transition-delay:.32s}
.hero-anim > *{animation:rise .9s var(--ease) both}
.hero-anim > *:nth-child(2){animation-delay:.08s}.hero-anim > *:nth-child(3){animation-delay:.16s}.hero-anim > *:nth-child(4){animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1180px){
  .gnb-link{padding:0 14px;font-size:15.5px}
  .gnb-link::after{left:14px;right:14px}
  .hd-tel span{display:none}
  .process{grid-template-columns:repeat(3,minmax(0,1fr))}
  .metal-steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .contact-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  :root{--hd-h:64px}
  .gnb,.hd-cta .btn,.hd-tel{display:none}
  .menu-btn{display:flex}
  .strengths{grid-template-columns:repeat(2,minmax(0,1fr))}
  .strength{padding:32px 24px 36px 0;border-bottom:1px solid var(--line)}
  .strength:nth-child(2n){border-right:0;padding-left:24px}
  .strength:nth-child(2n+1){padding-left:0}
  .mold,.app-panel,.partner,.cta,.split,.overview,.location,.prod-detail,.app-block,.contact-grid,.quality,.custom-box{grid-template-columns:minmax(0,1fr)}
  .app-block.flip .app-art{order:0}
  .products{grid-template-columns:repeat(2,minmax(0,1fr))}
  .block-head,.greeting{grid-template-columns:minmax(0,1fr)}
  .flow,.flow.six{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 20px}
  .flow li::after{display:none}
  .feature-list{grid-template-columns:minmax(0,1fr)}
  .cat-row{grid-template-columns:minmax(0,1fr)}
  .contact-aside{position:static}
  .ft-grid{grid-template-columns:minmax(0,1fr)}
  .hero-spec{display:none}
  .hero::after{background:linear-gradient(180deg,rgba(10,27,46,0) 0%,rgba(10,27,46,0) 30%,rgba(10,27,46,.85) 48%,rgba(10,27,46,.95) 100%)}
  .hero-inner{justify-content:flex-end;min-height:860px;padding-top:320px}
  .fabs{display:none}
  .mbar{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px);box-shadow:0 -8px 24px -16px rgba(10,27,46,.4)}
  .mbar a{display:flex;align-items:center;justify-content:center;gap:8px;height:58px;font-weight:700;font-size:15.5px;color:var(--fg)}
  .mbar a + a{border-left:1px solid var(--line)}
  .mbar a.primary{background:var(--cyan);color:#05313A}
  .mbar svg{width:20px;height:20px;fill:currentColor}
  .site-footer{padding-bottom:calc(58px + env(safe-area-inset-bottom,0px))}
}
@media (max-width:680px){
  body{font-size:15.5px}
  .stats ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats li{padding:20px 16px;border-top:1px solid var(--line-dark)}
  .stats li:nth-child(odd){border-left:0;padding-left:0}
  .stats li:nth-child(-n+2){border-top:0}
  .strengths,.products,.process,.metal-steps,.base-list,.need,.contact-cards,.req-list,.custom-list{grid-template-columns:minmax(0,1fr)}
  .strength,.strength + .strength,.strength:nth-child(2n){padding:28px 0;border-right:0}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .slots{grid-template-columns:repeat(3,minmax(0,1fr))}
  .photo-strip{grid-template-columns:minmax(0,1fr)}
  .drawings{grid-template-columns:minmax(0,1fr)}
  .mold-gallery{grid-template-columns:minmax(0,1fr)}
  .mold-gallery figure:first-child{grid-row:auto}
  .point,.q-list li{grid-template-columns:minmax(0,1fr);gap:6px}
  .timeline::before{left:6px}
  .tl-row{grid-template-columns:minmax(0,1fr);gap:12px;padding-left:28px}
  .tl-items{padding-left:0}
  .tl-items::before{left:-28px;top:-30px}
  .org-depts{grid-template-columns:minmax(0,1fr);padding-top:0}
  .org-depts::before,.org-dept::before{display:none}
  .org-stem{height:24px}
  .org-dept + .org-dept{margin-top:0}
  .parts{grid-template-columns:repeat(3,minmax(0,1fr))}
  .info-table div{grid-template-columns:100px minmax(0,1fr)}
  .ft-info{grid-template-columns:minmax(0,1fr)}
  .sec-head{margin-bottom:40px}
  .hero-actions .btn{flex:1 1 100%}
}
.lens-strip{margin:10px 0 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.lens-strip img{height:44px;width:auto;max-width:70%;object-fit:contain}
.lens-strip figcaption{font-family:var(--f-mono);font-size:12px;color:var(--muted)}

/* ==========================================================================
   v2 · Signature motion
   ========================================================================== */
/* hero 3D */
.hero-gl{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:0;transition:opacity .8s var(--ease)}
.hero.gl-ready .hero-gl{opacity:1}
.hero-canvas{transition:opacity .8s ease}
.hero.gl-ready .hero-canvas{opacity:0}
.hero h1.lines{animation:none}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.hero h1 .ln > span{display:block;animation:lineUp 1.15s cubic-bezier(.16,.84,.24,1) both}
.hero h1 .ln:nth-child(1) > span{animation-delay:.15s}
.hero h1 .ln:nth-child(2) > span{animation-delay:.27s}
.hero h1 .ln:nth-child(3) > span{animation-delay:.39s}
@keyframes lineUp{from{transform:translateY(105%)}to{transform:none}}
.hero h1 em{background:linear-gradient(90deg,var(--cyan),#8DF3F5 50%,var(--cyan));background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 5s linear infinite 1.6s}
@keyframes shine{to{background-position:-200% 0}}
.scroll-cue{position:absolute;left:50%;bottom:132px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.3em;color:var(--on-dark-muted)}
.scroll-cue span{width:1px;height:46px;background:linear-gradient(var(--cyan),transparent);position:relative;overflow:hidden}
.scroll-cue span::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:#fff;animation:cue 2.2s var(--ease) infinite}
@keyframes cue{to{top:110%}}
.magnetic{will-change:transform;transition:transform .35s var(--ease),background .2s}

/* inside the lens unit */
.unit{position:relative;height:300vh;background:var(--ink-2);color:var(--on-dark)}
.unit-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.unit-gl{position:absolute;inset:0;width:100%;height:100%;display:block}
.unit-ui{position:relative;height:100%;display:flex;align-items:center;justify-content:space-between;gap:40px;pointer-events:none}
.unit-text{max-width:440px;pointer-events:auto}
.unit-caps{display:grid;margin-top:22px}
.unit-cap{grid-area:1/1;opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.unit-cap.on{opacity:1;transform:none}
.unit-cap h2{font-size:clamp(30px,3.4vw,48px);color:#fff;line-height:1.22}
.unit-cap h2 em{font-style:normal;color:var(--cyan)}
.unit-cap p{color:var(--on-dark-muted);margin-top:18px;font-size:16.5px}
.unit-progress{display:flex;flex-direction:column;gap:2px;margin-top:40px;border-left:1px solid var(--line-dark)}
.unit-progress li{padding:7px 0 7px 18px;font-size:14px;color:#5F7690;position:relative;transition:color .3s}
.unit-progress li span{font-family:var(--f-mono);font-size:11.5px;margin-right:12px}
.unit-progress li::before{content:"";position:absolute;left:-1px;top:0;bottom:0;width:2px;background:var(--cyan);transform:scaleY(0);transition:transform .4s var(--ease)}
.unit-progress li.on{color:#fff}
.unit-progress li.on::before{transform:scaleY(1)}
.unit-specs{position:absolute;right:max(64px,calc((100vw - var(--container)) / 2 + 20px));top:calc(var(--hd-h) + 36px);margin:0;display:grid;grid-template-columns:repeat(5,auto);gap:0;border:1px solid var(--line-dark);border-radius:var(--radius);background:rgba(10,27,46,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.unit-specs.on{opacity:1;transform:none}
.unit-specs div{padding:16px 22px;border-left:1px solid var(--line-dark)}
.unit-specs div:first-child{border-left:0}
.unit-specs dt{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.unit-specs dd{margin:4px 0 0;font-family:var(--f-en);font-weight:700;font-size:26px;color:#fff;font-variant-numeric:tabular-nums;font-stretch:92%;white-space:nowrap}
.unit-specs small{font-size:.55em;color:var(--on-dark-muted);margin-left:2px;font-weight:600}
.unit-labels{position:absolute;inset:0;pointer-events:none}
.u-label{position:absolute;left:0;top:0;opacity:0;will-change:transform,opacity}
.u-label > div{position:absolute;left:0;bottom:0;transform:translate(-50%,-14px);padding-bottom:30px;text-align:center;white-space:nowrap}
.u-label > div::after{content:"";position:absolute;left:50%;bottom:0;width:1px;height:26px;background:linear-gradient(transparent,var(--cyan))}
.u-label > div::before{content:"";position:absolute;left:50%;bottom:-3px;width:7px;height:7px;margin-left:-3px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.u-label b{display:block;font-family:var(--f-en);font-size:13.5px;font-weight:700;color:#fff;letter-spacing:.02em}
.u-label span{display:block;font-size:12px;color:var(--on-dark-muted)}
.unit-bar{position:absolute;right:max(20px,calc((100vw - var(--container)) / 2 - 16px));top:50%;width:2px;height:120px;margin-top:-60px;background:var(--line-dark)}
.unit-bar i{position:absolute;inset:0;background:var(--cyan);transform-origin:top;transform:scaleY(0)}
.unit.no-gl{height:auto}
.unit.no-gl .unit-sticky{position:relative;height:auto;padding-block:120px}
.unit.no-gl .unit-gl,.unit.no-gl .unit-labels,.unit.no-gl .unit-bar,.unit.no-gl .unit-progress{display:none}
.unit.no-gl .unit-cap{grid-area:auto;opacity:1;transform:none;margin-bottom:32px}
.unit.no-gl .unit-specs{position:static;opacity:1;transform:none;margin-top:16px}
.unit.no-gl .unit-ui{flex-direction:column;align-items:flex-start}

/* horizontal process */
.hscroll{position:relative}
.hs-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:flex;flex-direction:column;justify-content:center;gap:clamp(20px,4.5vh,44px);padding-top:var(--hd-h)}
.hs-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;width:100%}
.hs-meta{display:flex;align-items:center;gap:32px}
.hs-count{font-size:14px;color:var(--muted)}
.hs-count b{color:var(--fg);font-size:22px;font-weight:500}
.hs-viewport{overflow:visible}
.hs-track{display:flex;gap:24px;padding-left:max(var(--gutter),calc((100vw - var(--container)) / 2 + 20px));padding-right:10vw;will-change:transform}
.hs-card{flex:0 0 min(440px,78vw,calc((100vh - 400px) * 1.3));flex-basis:min(440px,78vw,calc((100svh - 400px) * 1.3));background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .4s var(--ease)}
.hs-card:hover{box-shadow:0 30px 50px -34px rgba(10,27,46,.5)}
.hs-img{aspect-ratio:4/3;overflow:hidden;background:var(--gray-100)}
.hs-img img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);transition:transform 1.2s var(--ease)}
.hs-card:hover .hs-img img{transform:scale(1.02)}
.hs-img.drawing{background:#fff;padding:20px}
.hs-img.drawing img{object-fit:contain;transform:none}
.hs-body{display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;padding:26px 28px 30px;align-items:start}
.hs-no{font-family:var(--f-en);font-size:54px;font-weight:800;line-height:.9;color:transparent;-webkit-text-stroke:1.2px var(--navy);font-stretch:85%}
.hs-body h3{font-size:21px}
.hs-body p{font-size:15px;color:var(--muted);margin-top:8px}
.hs-end{background:var(--ink);border-color:var(--ink)}
.hs-end a{display:flex;flex-direction:column;justify-content:flex-end;gap:18px;height:100%;min-height:300px;padding:36px;color:#fff}
.hs-end b{font-size:30px;line-height:1.3}
.hs-end svg{width:40px;height:40px;fill:var(--cyan);transition:transform .3s var(--ease)}
.hs-end a:hover svg{transform:translateX(8px)}
.hs-progress{height:2px;background:var(--line);position:relative;overflow:hidden}
.hs-progress i{position:absolute;inset:0;background:var(--navy);transform-origin:left;transform:scaleX(0)}

/* marquee */
.marquee{overflow:hidden;background:var(--ink);padding-block:34px;border-block:1px solid var(--line-dark)}
.mq-track{display:flex;align-items:center;gap:40px;width:max-content;animation:mq 38s linear infinite}
.mq-track span{font-family:var(--f-en);font-weight:800;font-size:clamp(44px,7vw,108px);line-height:1;letter-spacing:-.02em;color:#fff;font-stretch:88%;text-transform:uppercase;white-space:nowrap}
.mq-track span.o{color:transparent;-webkit-text-stroke:1.5px rgba(13,212,217,.85)}
.mq-track i{width:18px;height:18px;border-radius:50%;border:2px solid var(--cyan);flex:0 0 auto}
@keyframes mq{to{transform:translateX(-50%)}}

/* wipe reveal */
.js .wipe{clip-path:inset(0 100% 0 0);transition:clip-path .9s cubic-bezier(.65,0,.25,1)}
.js .wipe.in{clip-path:inset(0 0 0 0)}
.js .wipe.d1{transition-delay:.1s}.js .wipe.d2{transition-delay:.2s}

@media (prefers-reduced-motion:reduce){
  .js .wipe{clip-path:none}
  .mq-track{animation:none}
  .hero h1 em{animation:none}
}
@media (max-width:980px){
  .scroll-cue{display:none}
  .unit{height:260vh}
  .unit-ui{flex-direction:column;justify-content:flex-start;align-items:stretch;padding-top:calc(var(--hd-h) + 28px)}
  .unit-text{max-width:none}
  .unit-cap h2{font-size:clamp(24px,6.4vw,32px)}
  .unit-cap p{font-size:14.5px;margin-top:10px}
  .unit-caps{margin-top:12px}
  .unit-progress{display:none}
  .unit-specs{top:auto;left:max(16px,env(safe-area-inset-left,0px));right:max(16px,env(safe-area-inset-right,0px));bottom:calc(74px + env(safe-area-inset-bottom,0px));grid-template-columns:repeat(3,minmax(0,1fr))}
  .unit-specs div{padding:10px 12px;border-top:1px solid var(--line-dark)}
  .unit-specs div:nth-child(-n+3){border-top:0}
  .unit-specs div:nth-child(4){border-left:0}
  .unit-specs dd{font-size:19px}
  .unit-bar{display:none}
  .u-label > div{padding-bottom:20px}
  .u-label > div::after{height:16px}
  .u-label b{font-size:11.5px}
  .u-label span{display:none}
  .hscroll{height:auto!important}
  .hs-sticky{position:relative;height:auto;padding-block:88px;gap:32px}
  .hs-head{flex-direction:column;align-items:flex-start}
  .hs-count{display:none}
  .hs-viewport{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .hs-viewport::-webkit-scrollbar{display:none}
  .hs-track{transform:none!important;padding-left:var(--gutter);padding-right:var(--gutter-r)}
  .hs-card{flex-basis:80vw;scroll-snap-align:start}
  .hs-no{font-size:40px}
  .hs-progress{display:none}
  .marquee{padding-block:22px}
}

/* 화면 높이가 낮으면 가로 스크롤 고정 대신 카드를 옆으로 넘겨 보는 방식 */
@media (min-width:981px) and (max-height:600px){
  .hscroll{height:auto!important}
  .hs-sticky{position:relative;height:auto;padding-block:88px;gap:32px}
  .hs-count{display:none}
  .hs-viewport{overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin}
  .hs-track{transform:none!important}
  .hs-card{flex-basis:380px;scroll-snap-align:start}
  .hs-progress{display:none}
}

/* ---------- mobile polish (2026-11 모바일 점검) ---------- */
.nw{white-space:nowrap}
/* 한국어 짧은 문장이 한 단어만 다음 줄로 떨어지지 않도록 줄 길이를 고르게 */
p,li,dd,td,th,dt,label,figcaption,summary,.stat-label,.ft-aiop,.eyebrow{text-wrap:balance}
/* text-wrap:balance는 줄바꿈 금지(nowrap)까지 풀어버리므로, 지원 브라우저에서는 '고르게'만 지정 */
@supports (text-wrap-style:balance){
  p,li,dd,td,th,dt,label,figcaption,summary,.stat-label,.ft-aiop,.eyebrow{text-wrap:wrap;text-wrap-style:balance}
}
.subnav li,.subnav a,.nw,.btn,.chip,.mbar a,.hd-cta,.gnb li,.m-subs a{text-wrap:nowrap;white-space:nowrap}
/* 3D 캡션: 이전 문구가 사라진 뒤 새 문구가 나타나게 해서 글자가 겹치지 않도록 */
.unit-cap{transition:opacity .28s ease,transform .28s ease}
.unit-cap.on{transition:opacity .5s var(--ease) .26s,transform .5s var(--ease) .26s}
@media (max-width:640px){
  .eyebrow{font-size:11.5px;letter-spacing:.12em}
  .unit-specs dt{letter-spacing:.06em;font-size:10px}
  /* 견적 폼 요청 사양: 좁은 화면에서는 한 줄에 하나씩 (예시 문구 잘림 방지) */
  .spec-grid{grid-template-columns:minmax(0,1fr)!important}
}
.legal td:first-child,.legal th:first-child{min-width:6.5em}

/* 모바일 분해도: 부품 오른쪽에 이름표 (왼쪽 점 + 가로선) */
@media (max-width:979px){
  .u-label > div{bottom:auto;top:0;transform:translate(0,-50%);padding:0 0 0 30px;text-align:left}
  .u-label > div::after{left:0;top:50%;bottom:auto;width:24px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
  .u-label > div::before{left:-3px;top:50%;bottom:auto;margin:-3px 0 0 0}
  .u-label b{font-size:12.5px}
  .u-label span{display:none}
}

/* 모바일 첫 화면: 3D가 준비될 때까지 같은 장면의 정지 이미지를 깔아 둔다 */
@media (max-width:979px){
  .page-home .hero::before{content:"";position:absolute;inset:0;z-index:-2;background-position:center top;background-size:100% auto;background-repeat:no-repeat;transition:opacity .9s ease;pointer-events:none}
  .page-home .hero.gl-ready::before{opacity:0}
  .page-home .hero-gl{transition:opacity .9s ease}
}

/* 모바일 첫 화면 제목: 잘린 상태가 보이지 않도록 단순한 페이드업으로 */
@media (max-width:979px){
  .hero h1 .ln{overflow:visible}
  .hero h1 .ln > span{animation:heroFade .7s ease both}
  .hero h1 .ln:nth-child(1) > span,.hero h1 .ln:nth-child(2) > span,.hero h1 .ln:nth-child(3) > span{animation-delay:.05s}
}
@keyframes heroFade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 모바일 렌즈 섹션: 스펙 표는 제목 바로 아래(흐름 안)에 두어 렌즈·광선을 가리지 않게 */
@media (max-width:979px){
  .unit-specs{position:static;margin-top:18px}
  .unit-specs div{padding:8px 11px}
  .unit-specs dd{font-size:17px}
}

/* 헤더: 메뉴 버튼을 항상 오른쪽 끝에 */
.hd-cta{margin-left:auto}
/* 인사말: 의미 단위로만 줄바꿈 (줄 길이 고르게 맞추기는 끔) */
.greeting blockquote,.greeting .body p{text-wrap:wrap;text-wrap-style:auto}

/* 기술력 도면 옆 실물 사진 */
.drawings .product-photo{top:12px;right:12px;bottom:auto;width:72px;height:72px}
.drawings .product-photo img{width:82%;height:82%;aspect-ratio:auto}

/* ---------- 제품소개: Spot Logo Lamp ---------- */
.spot .spot-head h2{font-size:clamp(30px,4vw,52px);margin-top:14px}
.spot .sec-lead{color:var(--on-dark-muted);margin-top:14px}
.spot-cars{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.spot-cars figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;background:#000}
.spot-cars img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.spot-cars figcaption{position:absolute;left:14px;bottom:12px;font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;color:#fff;background:rgba(10,27,46,.7);padding:5px 10px;border-radius:3px}
.assembly{margin-top:28px;background:#fff;border-radius:var(--radius);padding:28px 24px 22px;color:var(--fg)}
.asm-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.asm-part,.asm-unit{margin:0;display:flex;flex-direction:column;align-items:center;gap:8px}
.asm-part img{height:72px;width:auto;max-width:96px;object-fit:contain;border-radius:6px}
.asm-part.wide img{max-width:200px;height:44px}
.asm-part figcaption,.asm-unit figcaption{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
.asm-op{font-family:var(--f-en);font-size:22px;font-weight:700;color:var(--teal)}
.asm-op.eq{color:var(--navy);margin:0 6px}
.asm-unit{padding:10px;border-radius:12px}
.asm-unit img{height:96px;width:auto}
.asm-unit figcaption{color:var(--navy);font-weight:600}
.asm-note{text-align:center;color:var(--muted);font-size:14.5px;margin-top:16px}
.spot .prod-actions{margin-top:28px}
/* 부품이 완성 유닛으로 모였다가 다시 펼쳐지는 반복 애니메이션 (화면에 보일 때만) */
.assembly.play .asm-part{animation:asmPart 6.5s cubic-bezier(.65,0,.3,1) infinite;animation-delay:calc(var(--i) * .07s)}
.assembly.play .asm-op{animation:asmOp 6.5s ease infinite}
.assembly.play .asm-unit{animation:asmUnit 6.5s ease infinite}
@keyframes asmPart{0%,28%{transform:none;opacity:1}52%,86%{transform:translate(var(--dx,0),var(--dy,0)) scale(.35);opacity:0}100%{transform:none;opacity:1}}
@keyframes asmOp{0%,24%{opacity:1}36%,90%{opacity:0}100%{opacity:1}}
@keyframes asmUnit{0%,44%{transform:none;box-shadow:none}56%,84%{transform:scale(1.12);box-shadow:0 0 0 2px var(--cyan),0 14px 40px -10px rgba(13,212,217,.6)}100%{transform:none;box-shadow:none}}
@media (prefers-reduced-motion:reduce){.assembly.play .asm-part,.assembly.play .asm-op,.assembly.play .asm-unit{animation:none}}
@media (max-width:760px){
  .spot-cars{grid-template-columns:minmax(0,1fr)}
  .asm-row{gap:6px 4px}
  .asm-part img{height:52px;max-width:70px}
  .asm-part.wide img{max-width:150px;height:34px}
  .asm-op{font-size:17px}
  .asm-row .eq{flex-basis:100%;text-align:center;transform:rotate(90deg)}
}
/* 제품 도면이 오른쪽 위 실물 사진에 가리지 않도록 오른쪽 여백 확보 */
.prod-figure .sheet{padding-right:128px}
@media (max-width:760px){.prod-figure .sheet{padding:20px 84px 20px 16px}.prod-figure .product-photo{width:68px;height:68px;top:10px;right:10px}}