/* ============================================================
   WELDER PRO — B2B Landing  v2
   HIGH VOLTAGE — Black × Electric Yellow (#FFF000)
   ============================================================ */

:root{
  --bg: #070708;
  --bg-2: #0c0c0e;
  --panel: #121214;
  --panel-2: #18181b;
  --line: rgba(255,255,255,.09);
  --line-2: rgba(255,255,255,.16);
  --txt: #f4f4f2;
  --txt-2: #a4a49e;
  --txt-3: #62625c;
  --volt: #fff000;          /* 로고 옐로우 */
  --volt-deep: #e6d400;
  --volt-glow: rgba(255,240,0,.30);
  --arc: #7db9ff;           /* 전기 아크 블루 */
  --ink: #0a0a00;           /* 옐로우 위 텍스트 */
  --font-kr: "Pretendard Variable", Pretendard, -apple-system, sans-serif;
  --font-en: "Archivo", "Pretendard Variable", sans-serif;
  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:var(--font-kr);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* 한국어 단어 단위 줄바꿈 — 1~3글자 고아 줄 방지 */
  word-break:keep-all;
  overflow-wrap:break-word;
}
h1,h2,h3{text-wrap:balance}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--volt);color:var(--ink)}

.container{width:min(1240px,92vw);margin-inline:auto}
.accent{color:var(--volt)}
.glow{text-shadow:0 0 18px var(--volt-glow),0 0 60px rgba(255,240,0,.18)}

/* ---------- Hazard stripe util ---------- */
.hazard,
.mmenu__hazard,
.bigcta__hazard{
  height:14px;
  background:repeating-linear-gradient(-45deg,var(--volt) 0 16px,var(--bg) 16px 32px);
}

/* ---------- Noise ---------- */
.noise{
  position:fixed;inset:-50%;z-index:2000;pointer-events:none;opacity:.045;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:noiseShift .6s steps(4) infinite;
}
@keyframes noiseShift{
  0%{transform:translate(0,0)}25%{transform:translate(-2%,1%)}
  50%{transform:translate(1%,-2%)}75%{transform:translate(-1%,2%)}100%{transform:translate(2%,1%)}
}

/* ---------- Loader: Power-on ---------- */
.loader{
  position:fixed;inset:0;z-index:3000;background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  transition:opacity .5s var(--ease),visibility .5s;
}
.loader.is-done{opacity:0;visibility:hidden}
.loader__bolt{color:var(--volt);animation:boltFlicker 1.2s steps(2) infinite}
.loader__bolt svg{filter:drop-shadow(0 0 18px var(--volt-glow)) drop-shadow(0 0 60px rgba(255,240,0,.25))}
@keyframes boltFlicker{
  0%,100%{opacity:1}8%{opacity:.2}12%{opacity:1}46%{opacity:1}50%{opacity:.35}54%{opacity:1}
}
.loader__label{
  font-family:var(--font-en);font-weight:900;font-size:13px;letter-spacing:.5em;
  color:var(--txt-3);padding-left:.5em;
}
.loader.is-flash{animation:powerFlash .45s var(--ease) forwards}
@keyframes powerFlash{
  0%{background:var(--bg)}30%{background:#fffbe0}100%{background:var(--bg)}
}

/* ---------- Buttons (industrial squared) ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:15.5px;
  padding:17px 32px;cursor:pointer;border:0;border-radius:4px;
  position:relative;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s,background .3s,color .3s;
}
.btn b{font-weight:800;transition:transform .35s var(--ease)}
.btn:hover b{transform:translateX(5px)}
.btn--primary{
  background:var(--volt);color:var(--ink);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  box-shadow:0 6px 28px rgba(255,240,0,.18);
}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 14px 44px var(--volt-glow);background:#fff64d}
.btn--ghost{
  background:transparent;color:var(--txt);
  border:1px solid var(--line-2);
}
.btn--ghost:hover{border-color:var(--volt);color:var(--volt);transform:translateY(-3px)}
.btn--card{
  width:100%;justify-content:center;font-size:14.5px;padding:14px 20px;
  background:rgba(255,255,255,.05);color:var(--txt);border:1px solid var(--line);
}
.btn--card:hover{background:var(--volt);color:var(--ink);border-color:transparent}
.btn--xl{font-size:18px;padding:21px 46px}
.btn--full{width:100%;justify-content:center}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Nav (스크롤시 항상 고정·표시) ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  border-bottom:1px solid transparent;
  transition:background .4s,border-color .4s;
}
.nav.is-scrolled{
  background:rgba(7,7,8,.86);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav__inner{
  width:min(1360px,94vw);margin-inline:auto;
  display:flex;align-items:center;gap:38px;
  padding:16px 0;
}
.nav__logo{margin-right:auto}
.nav__logo img{height:40px;width:auto;display:block}
.nav__links{display:flex;align-items:center;gap:30px;font-size:clamp(17px,1.6vw,26px);font-weight:700;color:var(--txt-2)}
.nav__links a{position:relative;transition:color .3s;padding:6px 0}
.nav__links a:hover{color:var(--volt)}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--volt);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease);
}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav__cta{
  color:var(--ink);background:var(--volt);
  padding:13px 26px;border-radius:4px;font-weight:800;font-size:clamp(15px,1.3vw,19px);
  display:inline-flex;align-items:center;gap:8px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:transform .3s var(--ease),box-shadow .3s,background .3s;
}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px var(--volt-glow);background:#fff64d}
.nav__cta b{transition:transform .3s var(--ease)}
.nav__cta:hover b{transform:translateX(4px)}

/* 모바일 햄버거 — 3선, 옐로우 박스로 또렷하게 */
.nav__burger{
  display:none;background:transparent;
  border:1.5px solid var(--volt);border-radius:4px;
  cursor:pointer;width:46px;height:44px;position:relative;z-index:1201;
  transition:background .3s;
}
.nav__burger span{
  position:absolute;left:11px;right:11px;height:2px;background:var(--volt);
  transition:transform .35s var(--ease),top .35s,opacity .25s,background .3s;
}
.nav__burger span:nth-child(1){top:13px}
.nav__burger span:nth-child(2){top:20px}
.nav__burger span:nth-child(3){top:27px}
.nav__burger.is-open{background:var(--volt)}
.nav__burger.is-open span{background:var(--ink)}
.nav__burger.is-open span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav__burger.is-open span:nth-child(2){opacity:0}
.nav__burger.is-open span:nth-child(3){top:20px;transform:rotate(-45deg)}

/* ---------- Mobile menu (nav 외부 독립 오버레이 — 불투명 보장) ---------- */
.mmenu{
  position:fixed;inset:0;z-index:1100;
  background:
    radial-gradient(900px 600px at 85% -10%, rgba(255,240,0,.10), transparent 60%),
    linear-gradient(165deg,#0a0a0b 0%,#101012 55%,#0a0a0b 100%);
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;
  transition:opacity .45s var(--ease),visibility .45s;
}
.mmenu.is-open{opacity:1;visibility:visible}
.mmenu__close{
  position:absolute;top:20px;right:4.5vw;z-index:5;
  width:48px;height:46px;border:0;border-radius:4px;cursor:pointer;
  background:var(--volt);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease);
}
.mmenu__close:active{transform:scale(.92)}
.mmenu__hazard{flex:none}
.mmenu__links{
  flex:1;display:flex;flex-direction:column;justify-content:center;
  padding:0 9vw;gap:6px;
}
.mmenu__links a{
  display:flex;align-items:baseline;gap:18px;
  font-size:clamp(26px,7vw,34px);font-weight:800;letter-spacing:-.02em;
  padding:13px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(24px);
  transition:opacity .5s var(--ease),transform .5s var(--ease),color .3s;
}
.mmenu.is-open .mmenu__links a{opacity:1;transform:none}
.mmenu.is-open .mmenu__links a:nth-child(1){transition-delay:.08s}
.mmenu.is-open .mmenu__links a:nth-child(2){transition-delay:.14s}
.mmenu.is-open .mmenu__links a:nth-child(3){transition-delay:.20s}
.mmenu.is-open .mmenu__links a:nth-child(4){transition-delay:.26s}
.mmenu.is-open .mmenu__links a:nth-child(5){transition-delay:.32s}
.mmenu.is-open .mmenu__links a:nth-child(6){transition-delay:.38s}
.mmenu__links a:active,.mmenu__links a:hover{color:var(--volt)}
.mmenu__links a i{
  font-style:normal;font-family:var(--font-en);font-weight:700;
  font-size:13px;color:var(--volt);letter-spacing:.1em;
}
.mmenu__cta{color:var(--volt)}
.mmenu__foot{
  padding:26px 9vw 36px;display:flex;flex-direction:column;gap:8px;
}
.mmenu__foot a{
  font-family:var(--font-en);font-weight:900;font-size:22px;color:var(--volt);letter-spacing:.02em;
}
.mmenu__foot span{
  font-family:var(--font-en);font-size:9.5px;letter-spacing:.14em;color:var(--txt-3);font-weight:700;
  white-space:nowrap;
}

/* ---------- Sections ---------- */
.section{padding:clamp(90px,12vw,150px) 0;position:relative}
.section__head{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.section__no{
  font-family:var(--font-en);font-weight:900;font-size:13px;color:var(--ink);
  background:var(--volt);padding:4px 10px;border-radius:3px;letter-spacing:.06em;
}
.section__eyebrow{
  font-family:var(--font-en);font-weight:800;font-size:12.5px;letter-spacing:.32em;
  color:var(--txt-3);
}
.section__title{
  font-size:clamp(34px,5.4vw,64px);font-weight:900;line-height:1.16;
  letter-spacing:-.02em;margin-bottom:26px;position:relative;
}
/* 섹션 제목 특수효과 1 — 점화되는 해저드 언더라인 */
.section__title::after{
  content:"";display:block;width:78px;height:6px;margin-top:22px;
  background:repeating-linear-gradient(-45deg,var(--volt) 0 8px,transparent 8px 16px);
  transform:scaleX(0);transform-origin:left;
  transition:transform .7s var(--ease) .35s;
}
.section__title.is-in::after{
  transform:scaleX(1);
  animation:igniteFlicker .9s steps(3) .4s;
}
@keyframes igniteFlicker{0%{opacity:.15}40%{opacity:1}55%{opacity:.35}70%{opacity:1}}
/* 섹션 제목 특수효과 2 — 옐로우 워드에 흐르는 빛 (shine sweep) */
.section__title .accent,
.bigcta__title .accent{
  background:linear-gradient(110deg,var(--volt) 0 42%,#fffde6 50%,var(--volt) 58% 100%);
  background-size:240% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:accentShine 4s ease-in-out infinite;
}
@keyframes accentShine{0%,100%{background-position:118% 0}45%,55%{background-position:-18% 0}}
.section__lead{color:var(--txt-2);font-size:clamp(16px,1.6vw,19px);max-width:640px}

/* ---------- Hero (영상 배경 + 전기 아크) ---------- */
.hero{
  min-height:100svh;position:relative;display:flex;flex-direction:column;justify-content:center;
  padding:150px 0 0;overflow:hidden;background:var(--bg);
}
.hero__media{position:absolute;inset:0}
.hero__media video{width:100%;height:100%;object-fit:cover}
.hero__media-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,7,8,.78) 0%,rgba(7,7,8,.42) 45%,rgba(7,7,8,.92) 100%),
    radial-gradient(1000px 600px at 28% 60%, rgba(7,7,8,.55), transparent 70%);
}
.hero__bolt{position:absolute;inset:0;pointer-events:none;z-index:3;mix-blend-mode:screen}
.hero__flash{
  position:absolute;inset:0;pointer-events:none;z-index:2;
  background:radial-gradient(ellipse at 50% 35%,rgba(255,250,200,.9),rgba(255,240,0,.25) 40%,transparent 70%);
  opacity:0;
}
.hero__flash.is-on{animation:strikeFlash .38s var(--ease)}
@keyframes strikeFlash{0%{opacity:0}12%{opacity:.55}28%{opacity:.12}45%{opacity:.3}100%{opacity:0}}
.hero__mega{
  position:absolute;right:-1.5vw;bottom:9vh;z-index:1;pointer-events:none;
  font-family:var(--font-en);font-weight:900;font-stretch:115%;
  font-size:clamp(90px,16vw,260px);letter-spacing:-.02em;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(255,240,0,.22);
  user-select:none;
}
.hero__readout{
  position:absolute;top:96px;right:4vw;z-index:4;
  display:flex;flex-direction:column;gap:5px;text-align:right;
  font-family:var(--font-en);font-size:10.5px;font-weight:700;letter-spacing:.28em;color:var(--txt-3);
}
.hero__readout .blink{color:var(--volt);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

.hero__inner{
  width:min(1360px,94vw);margin-inline:auto;position:relative;z-index:4;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-en);font-size:12px;font-weight:800;letter-spacing:.3em;color:var(--volt);
  border:1px solid rgba(255,240,0,.35);border-radius:3px;
  padding:9px 16px;margin-bottom:34px;
  background:rgba(255,240,0,.06);
}
.hero__title{
  font-size:clamp(52px,9.6vw,128px);font-weight:900;line-height:1.02;letter-spacing:-.035em;
  margin-bottom:30px;
}
.hero__title .line{display:block;overflow:hidden}
.hero__title .line em{
  display:block;font-style:normal;transform:translateY(112%);
  animation:lineUp 1s var(--ease) forwards;
}
.hero__title .line:nth-child(2) em{animation-delay:.14s}
@keyframes lineUp{to{transform:translateY(0)}}
.hero__title .flicker{
  color:var(--volt);
  text-shadow:0 0 22px var(--volt-glow),0 0 80px rgba(255,240,0,.25);
  animation:neonFlicker 4.5s linear infinite;
}
@keyframes neonFlicker{
  0%,100%{opacity:1}
  3%{opacity:.4}4%{opacity:1}
  38%{opacity:1}39%{opacity:.55}40%{opacity:1}41%{opacity:.7}42%{opacity:1}
  78%{opacity:1}79%{opacity:.45}80%{opacity:1}
}
.hero__sub{
  color:var(--txt-2);font-size:clamp(16px,1.8vw,20px);margin-bottom:44px;max-width:620px;
}
.hero__sub strong{color:var(--txt);font-weight:700}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}

.hero__stats{
  width:min(1360px,94vw);margin:72px auto 0;position:relative;z-index:4;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,240,0,.25);
  padding-bottom:46px;
}
.stat{padding:24px 8px 0;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat:not(:first-child){padding-left:26px}
.stat b{font-family:var(--font-en);font-weight:900;font-size:clamp(26px,3vw,42px);letter-spacing:-.01em}
.stat i{font-style:normal;font-family:var(--font-en);font-weight:800;color:var(--volt);font-size:clamp(15px,1.6vw,20px);margin-left:2px}
.stat span{display:block;color:var(--txt-2);font-size:13.5px;margin-top:4px;font-weight:500}

/* ---------- Hazard marquee (옐로우 테이프) ---------- */
.marquee{
  background:var(--volt);overflow:hidden;padding:15px 0;
  transform:rotate(-1.2deg) scale(1.02);transform-origin:center;
  border-block:3px solid #000;position:relative;z-index:5;margin-top:-12px;
}
.marquee__track{
  display:flex;gap:0;width:max-content;align-items:center;
  animation:marquee 24s linear infinite;
}
.marquee__track span{
  font-family:var(--font-en);font-weight:900;font-size:15px;letter-spacing:.18em;
  color:var(--ink);white-space:nowrap;padding:0 26px;
  border-right:2.5px solid var(--ink);
}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Problem ---------- */
.problem{background:var(--bg)}
.problem__cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:64px;
}
.p-card{
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:40px 32px;position:relative;overflow:hidden;
  transition:transform .45s var(--ease),border-color .4s;
}
.p-card::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--volt);transform:scaleY(0);transform-origin:top;
  transition:transform .45s var(--ease);
}
.p-card:hover{transform:translateY(-8px);border-color:var(--line-2)}
.p-card:hover::after{transform:scaleY(1)}
.p-card__num{
  font-family:var(--font-en);font-weight:900;font-size:14px;color:var(--volt);
  letter-spacing:.2em;display:block;margin-bottom:22px;
}
.p-card h3{font-size:21px;font-weight:800;margin-bottom:14px;letter-spacing:-.01em}
.p-card p{color:var(--txt-2);font-size:15.5px}

/* ---------- Solution (3×3 정렬) ---------- */
.solution{background:var(--bg-2);border-block:1px solid var(--line)}
.solution__features{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:64px;
}
.f-card{
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  overflow:hidden;display:flex;flex-direction:column;position:relative;
  transition:transform .45s var(--ease),border-color .4s,box-shadow .45s;
}
.f-card:hover{transform:translateY(-8px);border-color:rgba(255,240,0,.45);box-shadow:0 26px 64px rgba(0,0,0,.45)}
.f-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--panel-2)}
.f-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.f-card:hover .f-card__media img{transform:scale(1.06)}
.f-card__body{padding:26px 28px 30px;position:relative}
.f-card__icon{
  position:absolute;top:-26px;right:24px;
  width:52px;height:52px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  background:var(--volt);color:var(--ink);
  box-shadow:0 10px 26px rgba(255,240,0,.25);
  transition:transform .4s var(--ease);
}
.f-card:hover .f-card__icon{transform:translateY(-4px) rotate(-4deg)}
.f-card__body h3{font-size:18.5px;font-weight:800;margin-bottom:10px;letter-spacing:-.01em;padding-right:60px}
.f-card__body p{color:var(--txt-2);font-size:14.5px}

.solution__video{margin-top:56px}
.video-thumb{
  display:block;position:relative;border-radius:8px;overflow:hidden;
  border:1px solid var(--line);aspect-ratio:21/9;
}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),opacity .4s;opacity:.8}
.video-thumb:hover img{transform:scale(1.04);opacity:.95}
.video-thumb__play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:86px;height:86px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--volt);color:var(--ink);
  box-shadow:0 0 0 0 var(--volt-glow);animation:playPulse 2.2s infinite;
  transition:transform .35s var(--ease);
}
.video-thumb:hover .video-thumb__play{transform:translate(-50%,-50%) scale(1.12)}
@keyframes playPulse{0%{box-shadow:0 0 0 0 var(--volt-glow)}70%{box-shadow:0 0 0 28px transparent}100%{box-shadow:0 0 0 0 transparent}}
.video-thumb__label{
  position:absolute;left:28px;bottom:24px;font-weight:800;font-size:16px;
}
.video-thumb iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- Lineup ---------- */
.lineup{background:var(--bg)}
.lineup__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px;align-items:stretch;
}
.l-card{
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:34px 26px;display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .45s var(--ease),border-color .4s,box-shadow .45s;
}
.l-card:hover{transform:translateY(-10px);box-shadow:0 30px 70px rgba(0,0,0,.5);border-color:var(--line-2)}
.l-card--flagship{
  border-color:rgba(255,240,0,.55);
  background:linear-gradient(180deg,rgba(255,240,0,.09) 0%,var(--panel) 45%);
}
.l-card--flagship::after{
  content:"BEST";position:absolute;top:20px;right:-36px;transform:rotate(45deg);
  background:var(--volt);color:var(--ink);font-family:var(--font-en);font-weight:900;
  font-size:11px;letter-spacing:.2em;padding:5px 42px;
}
.l-card__tag{
  font-family:var(--font-en);font-size:11px;font-weight:900;letter-spacing:.26em;
  color:var(--volt);margin-bottom:18px;
}
.l-card__name{font-size:23px;font-weight:700;letter-spacing:-.01em}
.l-card__name b{font-family:var(--font-en);font-weight:900}
.l-card__power{
  font-family:var(--font-en);font-weight:900;font-size:clamp(34px,3vw,46px);
  letter-spacing:-.02em;margin:10px 0 14px;
}
.l-card__power i{font-style:normal;font-size:.55em;color:var(--volt);margin-left:2px}
.l-card__desc{color:var(--txt-2);font-size:14px;margin-bottom:24px;min-height:63px}
.l-card__spec{list-style:none;margin-bottom:28px;flex:1}
.l-card__spec li{
  display:flex;justify-content:space-between;gap:10px;
  padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;
}
.l-card__spec span{color:var(--txt-3);white-space:nowrap}
.l-card__spec b{font-weight:600;text-align:right}

/* ---------- Spec table ---------- */
.spec{background:var(--bg-2);border-block:1px solid var(--line)}
.spec__wrap{margin-top:56px;overflow-x:auto;border-radius:8px;border:1px solid var(--line)}
.spec__table{width:100%;border-collapse:collapse;min-width:760px;background:var(--panel)}
.spec__table th,.spec__table td{
  padding:18px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);
}
.spec__table thead th{
  background:var(--panel-2);font-weight:800;font-size:14px;
}
.spec__table tbody tr:last-child td{border-bottom:0}
.spec__table td:first-child{color:var(--txt-3);font-weight:600;white-space:nowrap}
.spec__table .hl{background:rgba(255,240,0,.06);font-weight:600}
.spec__table thead .hl{color:var(--volt);font-weight:900;border-top:3px solid var(--volt)}
.spec__note{margin-top:18px;color:var(--txt-3);font-size:13px}

/* ---------- Field ---------- */
.field{background:var(--bg)}
.field__grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:64px;
}
.case{
  background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:38px 36px;transition:transform .45s var(--ease),border-color .4s;
}
.case:hover{transform:translateY(-6px);border-color:rgba(255,240,0,.4)}
.case__no{
  font-family:var(--font-en);font-size:12px;font-weight:900;letter-spacing:.26em;
  color:var(--volt);display:block;margin-bottom:16px;
}
.case h3{font-size:21px;font-weight:800;margin-bottom:16px}
.case blockquote{
  color:var(--txt-2);font-size:16px;line-height:1.7;margin-bottom:18px;
  padding-left:18px;border-left:3px solid var(--volt);
}
.case cite{font-style:normal;color:var(--txt-3);font-size:13.5px;font-weight:600}
.field__score{
  margin-top:56px;display:grid;grid-template-columns:repeat(2,1fr);gap:22px;
}
.score{
  background:linear-gradient(135deg,rgba(255,240,0,.10),rgba(255,240,0,.02));
  border:1px solid rgba(255,240,0,.35);border-radius:8px;
  padding:36px;text-align:center;
}
.score b{font-family:var(--font-en);font-weight:900;font-size:clamp(40px,4.5vw,58px);color:var(--volt);display:block;letter-spacing:-.02em;text-shadow:0 0 24px var(--volt-glow)}
.score span{color:var(--txt-2);font-size:14.5px;font-weight:600}

/* ---------- Photo strip ---------- */
.photostrip{overflow:hidden;border-block:1px solid var(--line);background:var(--bg-2)}
.photostrip__track{
  display:flex;gap:14px;width:max-content;padding:14px 0;
  animation:marquee 50s linear infinite;
}
.photostrip__track img{
  height:clamp(160px,22vw,260px);width:auto;border-radius:6px;
  filter:saturate(.92);transition:filter .4s;
}
.photostrip__track img:hover{filter:saturate(1.1)}
.photostrip:has(img:only-child),
.photostrip:not(:has(img)){display:none}

/* ---------- Big CTA ---------- */
.bigcta{
  text-align:center;position:relative;overflow:hidden;background:var(--bg-2);
}
.bigcta__bg{position:absolute;inset:0}
.bigcta__bg img{width:100%;height:100%;object-fit:cover;opacity:.38}
.bigcta__bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 480px at 50% 110%,rgba(255,240,0,.16),transparent 65%),
             linear-gradient(180deg,rgba(7,7,8,.82),rgba(7,7,8,.55) 50%,rgba(7,7,8,.85));
}
.bigcta__inner{position:relative;padding:clamp(110px,14vw,180px) 6vw}
.bigcta__eyebrow{
  font-family:var(--font-en);font-weight:900;font-size:13px;letter-spacing:.42em;
  color:var(--volt);margin-bottom:26px;
}
.bigcta__title{
  font-size:clamp(36px,6.2vw,76px);font-weight:900;line-height:1.14;letter-spacing:-.03em;
  margin-bottom:46px;
}
.bigcta__hazard{position:relative;z-index:2}

/* ---------- Contact ---------- */
.contact{background:var(--bg)}
.contact__grid{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(40px,6vw,90px);align-items:start}
.contact__meta{list-style:none;margin-top:42px;display:flex;flex-direction:column;gap:18px}
.contact__meta li{display:flex;gap:18px;font-size:15.5px;align-items:baseline}
.contact__meta span{
  font-family:var(--font-en);font-size:11px;font-weight:900;letter-spacing:.2em;
  color:var(--volt);min-width:52px;
}
.contact__meta a{border-bottom:1px solid var(--line-2);transition:border-color .3s,color .3s}
.contact__meta a:hover{color:var(--volt);border-color:var(--volt)}

.contact__form{
  background:var(--panel);border:1px solid var(--line);border-radius:10px;
  border-top:4px solid var(--volt);
  padding:clamp(28px,3.5vw,44px);display:flex;flex-direction:column;gap:20px;
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact__form label{
  display:flex;flex-direction:column;gap:9px;font-size:13.5px;font-weight:700;color:var(--txt-2);
}
.contact__form input[type="text"],
.contact__form input[type="tel"],
.contact__form input[type="email"],
.contact__form select,
.contact__form textarea{
  background:var(--bg);border:1px solid var(--line-2);border-radius:6px;
  padding:14px 16px;color:var(--txt);font-family:var(--font-kr);font-size:15px;
  transition:border-color .3s,box-shadow .3s;width:100%;
}
.contact__form textarea{resize:vertical;min-height:120px}
.contact__form :is(input,select,textarea):focus{
  outline:none;border-color:var(--volt);box-shadow:0 0 0 3px rgba(255,240,0,.15);
}
.contact__form ::placeholder{color:var(--txt-3)}
.contact__form select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a4a49e' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.form__agree{
  flex-direction:row !important;align-items:center;gap:12px !important;
  font-weight:500 !important;font-size:13.5px !important;
}
.form__agree input{width:18px;height:18px;accent-color:var(--volt)}
.form__agree a{color:var(--volt);text-decoration:underline}
.form__status{font-size:14px;font-weight:600;min-height:20px;text-align:center}
.form__status.ok{color:var(--volt)}
.form__status.err{color:#ff7a6e}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding:64px 0 0}
.footer__inner{
  display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:48px;
}
.footer__brand img{height:24px;width:auto;margin-bottom:18px}
.footer__brand p{color:var(--txt-3);font-size:14px}
.footer__info{text-align:right;color:var(--txt-2);font-size:14px;line-height:2}
.footer__legal{display:flex;gap:22px;justify-content:flex-end;margin-top:10px}
.footer__legal a{color:var(--txt-3);font-size:13px;transition:color .3s}
.footer__legal a:hover{color:var(--volt)}
.footer__copy{
  border-top:1px solid var(--line);padding:22px 0;text-align:center;
  color:var(--txt-3);font-size:12px;font-family:var(--font-en);letter-spacing:.14em;font-weight:700;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1080px){
  .lineup__grid{grid-template-columns:repeat(2,1fr)}
  .solution__features{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1100px){
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:block}
}
@media (max-width:880px){
  .hero{padding-top:130px}
  .hero__mega{right:-4vw;bottom:6vh;font-size:clamp(70px,20vw,140px)}
  .hero__readout{display:none}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .problem__cards{grid-template-columns:1fr}
  .field__grid{grid-template-columns:1fr}
  .contact__grid{grid-template-columns:1fr}
  .footer__info{text-align:left}
  .footer__legal{justify-content:flex-start}
}
@media (max-width:640px){
  .lineup__grid{grid-template-columns:1fr}
  .solution__features{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .field__score{grid-template-columns:1fr}
  .video-thumb{aspect-ratio:16/9}
  .hero__title{font-size:clamp(46px,13.5vw,72px)}
  .hero__sub br{display:none}
  .section__lead br{display:none}
  .marquee{transform:rotate(0) scale(1)}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .hero__title .line em{transform:none}
  .hero__media video{display:none}
}