/* =====================================================================
   ENERLINK 디자인 시스템 v2 · "Paper & Amber"
   밝은 종이 톤 + 웜 잉크 + 앰버(로고의 골드 끝색)
   — 에너브리지(다크 네이비 + 라임)와 시각적으로 겹치지 않도록 설계
   폰트: Pretendard (SIL OFL)
   ===================================================================== */

/* ---------- 폰트 ---------- */
@font-face{font-family:'Pretendard';font-weight:300;font-style:normal;font-display:swap;src:url('/assets/fonts/Pretendard-Light.subset.038a5965.woff2') format('woff2')}
@font-face{font-family:'Pretendard';font-weight:400;font-style:normal;font-display:swap;src:url('/assets/fonts/Pretendard-Regular.subset.5f473645.woff2') format('woff2')}
@font-face{font-family:'Pretendard';font-weight:500;font-style:normal;font-display:swap;src:url('/assets/fonts/Pretendard-Medium.subset.faae7e3f.woff2') format('woff2')}
@font-face{font-family:'Pretendard';font-weight:600;font-style:normal;font-display:swap;src:url('/assets/fonts/Pretendard-SemiBold.subset.dae60b27.woff2') format('woff2')}
@font-face{font-family:'Pretendard';font-weight:700;font-style:normal;font-display:swap;src:url('/assets/fonts/Pretendard-Bold.subset.2d1cd41d.woff2') format('woff2')}
@font-face{font-family:'Pretendard';font-weight:800;font-style:normal;font-display:swap;src:url('/assets/fonts/Pretendard-ExtraBold.subset.9331abdd.woff2') format('woff2')}

/* ---------- 토큰 ---------- */
:root{
  --font:'Pretendard',-apple-system,BlinkMacSystemFont,system-ui,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --mono:ui-monospace,'SFMono-Regular','SF Mono',Menlo,Consolas,'Pretendard','Apple SD Gothic Neo','Malgun Gothic',monospace;

  /* 잉크 (웜 블랙) */
  --ink-950:#100F0B;
  --ink-900:#17150F;
  --ink-800:#221F18;
  --ink-700:#2E2A22;
  --ink-600:#46413A;
  --ink-500:#625C52;   /* 본문 보조 (흰 배경 대비 6.3:1) */
  --ink-400:#8A8377;
  --ink-300:#B5AEA2;
  --ink-200:#D9D3C7;

  /* 종이 */
  --paper:#F7F4EE;
  --paper-2:#EFEAE0;
  --line:#E4DED2;
  --line-strong:#CFC7B8;
  --white:#FFFFFF;

  /* 앰버 (로고 골드) */
  --amber-50:#FFF8E6;
  --amber-100:#FDEFC8;
  --amber-300:#FFD36B;
  --amber-400:#FFBE2E;
  --amber-500:#F5A800;
  --amber-600:#DB9100;
  --amber-700:#8C5A00;  /* 흰 배경 위 텍스트용 (대비 6.0:1) */

  /* 보조 — 로고의 라임 시작색, 아주 조금만 */
  --lime-500:#8CC21E;
  --lime-700:#4D6E07;

  --red-500:#D6452A;

  --text:var(--ink-900);
  --text-2:var(--ink-500);
  --text-3:var(--ink-400);

  --r-xs:3px; --r-sm:6px; --r:10px; --r-lg:14px;
  --shadow-sm:0 1px 2px rgba(23,21,15,.06);
  --shadow:0 1px 2px rgba(23,21,15,.05),0 10px 30px -12px rgba(23,21,15,.16);
  --shadow-lg:0 2px 4px rgba(23,21,15,.05),0 30px 60px -24px rgba(23,21,15,.28);

  --container:1240px;
  --gutter:clamp(20px,4vw,40px);
  --section:clamp(84px,9vw,140px);
  --header-h:68px;

  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------- 리셋 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.7;letter-spacing:-.005em;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:anywhere}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure{margin:0}
table{border-collapse:collapse;width:100%}
::selection{background:var(--amber-300);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--amber-600);outline-offset:3px;border-radius:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:1000;background:var(--amber-500);color:var(--ink-900);padding:10px 16px;border-radius:var(--r-sm);font-weight:700}
.skip-link:focus{top:12px}
.ico{width:22px;height:22px;flex:none}

/* ---------- 타이포 ---------- */
h1,h2,h3,h4{font-weight:700;letter-spacing:-.03em;line-height:1.22;color:inherit}
h1{font-size:clamp(38px,5.4vw,72px);line-height:1.1;letter-spacing:-.045em;font-weight:800}
h2{font-size:clamp(30px,3.6vw,48px);line-height:1.16;letter-spacing:-.04em}
h3{font-size:clamp(20px,1.8vw,24px)}
h4{font-size:18px}
p{color:inherit}
.lead{font-size:clamp(17px,1.35vw,19px);line-height:1.75;color:var(--text-2);max-width:62ch}
.small{font-size:14px}
.text-muted{color:var(--text-3)}
.src{font-size:13px;color:var(--text-3);line-height:1.6}
.mt-2{margin-top:12px}.mt-3{margin-top:20px}.mt-4{margin-top:clamp(32px,4vw,48px)}.mt-5{margin-top:clamp(56px,6vw,88px)}

/* 섹션 라벨 — 모노 · 앰버 사각 마커 */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12.5px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--amber-700)}
.eyebrow::before{content:'';width:8px;height:8px;background:var(--amber-500);flex:none}

/* ---------- 레이아웃 ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.container--narrow{max-width:860px}
.section{padding-block:var(--section);position:relative}
.section--tight{padding-block:clamp(48px,5vw,72px)}
.section--white{background:var(--white)}
.section--mist,.section--paper{background:var(--paper)}
.section--dark{background:var(--ink-900);color:#F3EFE7}
.section--dark .lead,.section--dark .section-head p{color:var(--ink-300)}
.section--dark .eyebrow{color:var(--amber-400)}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--dark .src{color:var(--ink-400)}
/* 다크 섹션 배경 — 아주 옅은 도면 격자 */
.bg-grid{background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px}
.bg-glow{}
.grid{display:grid;gap:clamp(16px,2vw,24px)}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.split--contact{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
.stack{display:flex;flex-direction:column;gap:var(--stack,16px)}

/* 섹션 머리 — 좌측 라벨 / 우측 제목 2단 */
.section-head{margin-bottom:clamp(40px,5vw,64px);display:grid;gap:16px;max-width:760px}
.section-head p{color:var(--text-2);font-size:17px;line-height:1.75;max-width:60ch}
.section-head--rule{max-width:none;grid-template-columns:minmax(0,4fr) minmax(0,8fr);column-gap:clamp(24px,4vw,64px);padding-top:22px;border-top:1px solid var(--ink-900)}
.section-head--rule .eyebrow{grid-row:1/span 3;align-self:start;padding-top:8px}
.section-head--rule>*:not(.eyebrow){grid-column:2}
.section--dark .section-head--rule{border-top-color:rgba(255,255,255,.4)}
.section-head--center{margin-inline:auto;text-align:center;justify-items:center}

/* ---------- 버튼 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 22px;border-radius:var(--r-sm);font-size:15.5px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s,transform .2s var(--ease)}
.btn .ico{width:18px;height:18px;transition:transform .25s var(--ease)}
.btn:hover .ico{transform:translateX(3px)}
.btn-lg{height:56px;padding:0 26px;font-size:16px}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--amber-500);color:var(--ink-900)}
.btn-primary:hover{background:var(--amber-400)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:var(--ink-700)}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.section--dark .btn-ghost,.page-hero--photo .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.section--dark .btn-ghost:hover,.page-hero--photo .btn-ghost:hover{background:#fff;color:var(--ink-900)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--ink-900);border-bottom:1.5px solid var(--amber-500);padding-bottom:2px}
.link-arrow .ico{width:16px;height:16px;transition:transform .25s var(--ease)}
.link-arrow:hover .ico{transform:translateX(3px)}
.section--dark .link-arrow{color:#fff}

/* ---------- 헤더 ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--amber-500);z-index:1001}
.site-header{position:sticky;top:0;z-index:900;height:var(--header-h);background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.is-scrolled,.site-header.is-open{border-bottom-color:var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{height:26px;width:auto}
.nav-list{display:flex;gap:4px}
.nav-link{display:block;padding:8px 14px;font-size:15px;font-weight:600;color:var(--ink-600);border-radius:var(--r-sm);transition:color .2s,background .2s}
.nav-link:hover{color:var(--ink-900);background:var(--paper)}
.header-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink-900);transition:transform .3s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{position:fixed;inset:var(--header-h) 0 0 0;background:var(--white);overflow-y:auto;padding:12px 0 120px;z-index:899;border-top:1px solid var(--line)}
.mobile-nav[hidden]{display:none}
.m-link{display:flex;justify-content:space-between;padding:18px 0;font-size:20px;font-weight:700;border-bottom:1px solid var(--line)}
.m-actions{margin-top:28px}

/* ---------- 서브페이지 히어로 ---------- */
.page-hero{position:relative;padding:clamp(64px,8vw,112px) 0 clamp(56px,6vw,88px);background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden}
.page-hero h1{margin-top:18px;font-size:clamp(36px,4.6vw,60px)}
.page-hero .lead{margin-top:22px}
.page-hero--photo{background:var(--ink-900);color:#fff;border-bottom:0}
.page-hero--photo .lead{color:var(--ink-200)}
.page-hero--photo .eyebrow{color:var(--amber-400)}
.page-hero--photo .breadcrumb{color:var(--ink-300)}
.page-hero .hero-photo{position:absolute;inset:0}
.page-hero .hero-photo img{width:100%;height:100%;object-fit:cover;opacity:.32}
.page-hero .hero-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--ink-900) 25%,rgba(23,21,15,.55))}
.page-hero .container{position:relative}
.breadcrumb{display:flex;gap:8px;font-family:var(--mono);font-size:12.5px;color:var(--text-3);margin-bottom:28px}
.breadcrumb li+li::before{content:'/';margin-right:8px;opacity:.6}
.breadcrumb a:hover{color:var(--amber-700)}
.hero-specs{margin-top:44px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink-900)}
.hero-specs>div{padding:18px 18px 0 0;display:flex;flex-direction:column;gap:4px}
.hero-specs>div+div{padding-left:18px;border-left:1px solid var(--line)}
.hero-specs b{font-size:clamp(20px,2vw,26px);letter-spacing:-.03em}
.hero-specs span{font-size:13.5px;color:var(--text-2)}

/* ---------- 카드 ---------- */
.card{position:relative;display:flex;flex-direction:column;gap:12px;padding:clamp(22px,2.4vw,30px);background:var(--white);border:1px solid var(--line);border-radius:var(--r);transition:border-color .2s,transform .25s var(--ease),box-shadow .25s}
a.card:hover{border-color:var(--ink-900);transform:translateY(-3px);box-shadow:var(--shadow)}
.section--mist .card,.section--paper .card{background:var(--white)}
.card-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-sm);background:var(--amber-50);color:var(--amber-700);border:1px solid var(--amber-100)}
.card-title{font-size:19px;letter-spacing:-.025em}
.card-text{color:var(--text-2);font-size:15.5px;line-height:1.75}
.card-tag{align-self:flex-start}
.card--dark{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12);color:#F3EFE7}
.card--dark .card-text{color:var(--ink-300)}
.card--dark .card-icon{background:rgba(245,168,0,.12);border-color:rgba(245,168,0,.25);color:var(--amber-400)}

/* ---------- 배지 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 9px;border-radius:var(--r-xs);font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;border:1px solid}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.badge--verified{color:var(--lime-700);border-color:rgba(140,194,30,.5);background:#F4FAE6}
.badge--live{color:var(--amber-700);border-color:rgba(245,168,0,.5);background:var(--amber-50)}
.badge--dev{color:var(--ink-500);border-color:var(--line-strong);background:var(--white)}
.section--dark .badge--dev{color:var(--ink-300);border-color:rgba(255,255,255,.25);background:transparent}
.section--dark .badge--verified{color:#B8E35A;border-color:rgba(140,194,30,.45);background:transparent}
.section--dark .badge--live{color:var(--amber-400);border-color:rgba(245,168,0,.45);background:transparent}

/* ---------- 표 ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.spec-table th,.spec-table td,.compare-table th,.compare-table td{padding:14px 16px;text-align:left;vertical-align:top;font-size:15px;line-height:1.65;border-bottom:1px solid var(--line)}
.spec-table th{width:30%;font-weight:600;color:var(--ink-600);white-space:nowrap}
.spec-table tr:first-child th,.spec-table tr:first-child td{border-top:1px solid var(--ink-900)}
.compare-table thead th{font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.03em;color:var(--ink-600);background:var(--paper);border-top:1px solid var(--ink-900)}
.compare-table tbody th{font-weight:600}
.compare-table .is-win,.compare-table td.is-win{background:var(--amber-50);font-weight:600}

/* ---------- 체크리스트 / 불릿 ---------- */
.checklist{display:grid;gap:12px}
.checklist li{position:relative;padding-left:30px;color:var(--text-2);line-height:1.7}
.checklist li::before{content:'';position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:var(--r-xs);background:var(--amber-500) center/12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2317150F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E")}
.checklist li b{color:var(--text)}
.section--dark .checklist li{color:var(--ink-300)}
.section--dark .checklist li b{color:#fff}
.bullets{display:grid;gap:8px}
.bullets li{position:relative;padding-left:18px;color:var(--text-2)}
.bullets li::before{content:'';position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--amber-600)}

/* ---------- 노트 / 포인트 / TL;DR ---------- */
.note{padding:20px 24px;border-left:3px solid var(--amber-500);background:var(--paper);color:var(--text-2);font-size:15px;line-height:1.75;border-radius:0 var(--r-sm) var(--r-sm) 0}
.note b{color:var(--text)}
.note a{color:var(--amber-700);text-decoration:underline;text-underline-offset:3px}
.section--mist .note{background:var(--white)}
.section--dark .note{background:rgba(255,255,255,.05);color:var(--ink-300)}
.section--dark .note b{color:#fff}
.point{display:flex;gap:16px;align-items:flex-start;padding:22px 26px;border:1px solid var(--ink-900);border-radius:var(--r-sm);background:var(--white)}
.point .ico{color:var(--amber-600);margin-top:2px}
.point p{font-size:16.5px;font-weight:500;line-height:1.7}
.point em{font-style:normal;background:linear-gradient(transparent 60%,var(--amber-300) 60%)}
.section--dark .point{background:transparent;border-color:rgba(255,255,255,.3)}
.tldr{padding:22px 26px;background:var(--ink-900);color:#F3EFE7;border-radius:var(--r-sm);margin-bottom:28px}
.tldr b{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;color:var(--amber-400)}
.tldr ul{margin-top:10px;display:grid;gap:6px}
.tldr li{position:relative;padding-left:16px;font-size:15px;line-height:1.7;color:var(--ink-200)}
.tldr li::before{content:'';position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--amber-500)}

/* ---------- 아이콘 피처 그리드 ---------- */
.icon-grid{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.icon-item{display:flex;gap:16px;align-items:flex-start;padding:24px 24px 24px 0;border-bottom:1px solid var(--line)}
.icon-grid[style*="--cols:3"] .icon-item:not(:nth-child(3n+1)),.icon-grid[style*="--cols:2"] .icon-item:nth-child(2n){padding-left:24px;border-left:1px solid var(--line)}
.ii-ico{width:40px;height:40px;display:grid;place-items:center;flex:none;border-radius:var(--r-sm);background:var(--amber-50);color:var(--amber-700)}
.ii-ico .ico{width:20px;height:20px}
.icon-item b{display:block;font-size:16.5px;letter-spacing:-.02em;margin-bottom:6px}
.icon-item span{display:block;color:var(--text-2);font-size:15px;line-height:1.7}
.section--dark .icon-grid,.section--dark .icon-item{border-color:rgba(255,255,255,.12)}
.section--dark .icon-item span{color:var(--ink-300)}
.section--dark .ii-ico{background:rgba(245,168,0,.12);color:var(--amber-400)}

/* ---------- 렛저 (숫자 행) ---------- */
.ledger-row{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));border-top:1px solid currentColor}
.ledger-item{padding:22px 20px 6px 0}
.ledger-item+.ledger-item{padding-left:20px;border-left:1px solid var(--line)}
.section--dark .ledger-item+.ledger-item{border-left-color:rgba(255,255,255,.14)}
.ledger-val{font-size:clamp(40px,4.6vw,64px);font-weight:700;letter-spacing:-.05em;line-height:1}
.ledger-val small{font-size:.38em;font-weight:600;letter-spacing:-.01em;margin-left:4px;color:var(--amber-700)}
.section--dark .ledger-val small{color:var(--amber-400)}
.ledger-label{margin-top:12px;font-size:15px;font-weight:600;color:var(--text-2)}
.section--dark .ledger-label{color:var(--ink-300)}
.ledger-note{margin-top:22px;display:grid;gap:4px;font-size:13px;color:var(--text-3);line-height:1.6}
.ledger-note b{font-weight:600;margin-right:6px;color:var(--text-2)}
.section--dark .ledger-note,.section--dark .ledger-note b{color:var(--ink-400)}

/* ---------- 프로세스 (서브페이지 공용) ---------- */
.flow{display:grid;grid-template-columns:repeat(var(--cols,4),minmax(0,1fr));gap:0;counter-reset:fs;border-top:1px solid currentColor}
.flow-step{position:relative;padding:24px 22px 8px 0;counter-increment:fs}
.flow-step+.flow-step{padding-left:22px;border-left:1px solid var(--line)}
.section--dark .flow-step+.flow-step{border-left-color:rgba(255,255,255,.14)}
.flow-step::before{content:'0' counter(fs);display:block;font-family:var(--mono);font-size:12.5px;color:var(--amber-700);margin-bottom:14px}
.section--dark .flow-step::before{color:var(--amber-400)}
.fs-ico{display:none}
.flow-step h4{font-size:18px;margin-bottom:8px}
.flow-step p{font-size:14.5px;line-height:1.7;color:var(--text-2)}
.section--dark .flow-step p{color:var(--ink-300)}
.fs-meta{margin-top:14px;font-family:var(--mono);font-size:12px;color:var(--text-3)}

/* ---------- 다이어그램 ---------- */
.illus{padding:clamp(20px,3vw,36px);border:1px solid var(--line);border-radius:var(--r);background:var(--white);color:var(--ink-900)}
.section--mist .illus{background:var(--white)}
.section--dark .illus{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.12);color:#F3EFE7}
.diagram{width:100%;height:auto;overflow:visible}
.diagram .t{font-family:var(--font);font-size:15px;font-weight:700;fill:currentColor}
.diagram .t-s{font-family:var(--font);font-size:12.5px;fill:currentColor;opacity:.72}
.illus-cap{margin-top:14px;font-family:var(--mono);font-size:12px;color:var(--text-3);text-align:center}
.flow-dash{stroke-dasharray:6 6;animation:dash 1.6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-24}}
.pulse{animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}

/* ---------- 미디어 ---------- */
.media{position:relative;border-radius:var(--r);overflow:hidden;background:var(--paper-2)}
.media img{width:100%;height:100%;object-fit:cover}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--ink-900)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-weight:700;font-size:17.5px;letter-spacing:-.02em;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';flex:none;width:26px;height:26px;border-radius:var(--r-xs);border:1px solid var(--line-strong);background:center/12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2317150F' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");transition:transform .3s var(--ease),background-color .2s}
.faq summary:hover{color:var(--amber-700)}
.faq details[open] summary::after{transform:rotate(45deg);background-color:var(--amber-500);border-color:var(--amber-500)}
.faq .faq-a{padding:0 56px 26px 0;color:var(--text-2);font-size:15.5px;line-height:1.8}
.faq .faq-a p+p{margin-top:10px}
.section--dark .faq{border-top-color:rgba(255,255,255,.4)}
.section--dark .faq details{border-color:rgba(255,255,255,.12)}
.section--dark .faq .faq-a{color:var(--ink-300)}

/* ---------- 본문 (약관 · 방침) ---------- */
.prose{color:var(--ink-700);font-size:16px;line-height:1.85}
.prose h2{font-size:clamp(21px,2vw,25px);margin:56px 0 16px;padding-top:20px;border-top:1px solid var(--line);color:var(--ink-900);scroll-margin-top:calc(var(--header-h) + 20px)}
.prose h3{font-size:18px;margin:28px 0 10px}
.prose p{margin:10px 0}
.prose ul:not(.checklist):not(.bullets){margin:10px 0;display:grid;gap:6px}
.prose ul:not(.checklist):not(.bullets) li{position:relative;padding-left:16px}
.prose ul:not(.checklist):not(.bullets) li::before{content:'';position:absolute;left:0;top:13px;width:6px;height:2px;background:var(--amber-600)}
.prose ol{margin:10px 0;padding-left:20px;list-style:decimal}
.prose a{color:var(--amber-700);text-decoration:underline;text-underline-offset:3px}
.prose .table-wrap{margin:14px 0}
.prose .note{margin:20px 0}
.tldr ul li::before{top:11px}

/* ---------- 폼 ---------- */
.form-card{padding:clamp(24px,3.4vw,44px);background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
.form{display:grid;gap:22px}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field>label{font-size:14.5px;font-weight:700}
.req{color:var(--amber-700)}
.input,.select,.textarea{width:100%;height:50px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--r-sm);background:var(--white);font:inherit;font-size:15.5px;color:var(--ink-900);transition:border-color .2s,box-shadow .2s}
.textarea{height:auto;min-height:150px;padding:14px;resize:vertical;line-height:1.7}
.input::placeholder,.textarea::placeholder{color:var(--ink-400)}
.input:focus,.select:focus,.textarea:focus{outline:0;border-color:var(--ink-900);box-shadow:0 0 0 4px rgba(245,168,0,.22)}
.field.is-error .input,.field.is-error .select{border-color:var(--red-500)}
.field-err{font-size:13px;color:var(--red-500);display:none}
.field.is-error .field-err{display:block}
.type-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.type-opt{position:relative}
.type-opt input{position:absolute;opacity:0;inset:0;cursor:pointer}
.type-opt span{display:flex;flex-direction:column;align-items:flex-start;gap:8px;height:100%;padding:16px;border:1px solid var(--line-strong);border-radius:var(--r-sm);font-size:14.5px;font-weight:700;line-height:1.45;transition:border-color .2s,background .2s}
.type-opt span small{font-weight:500;font-size:12.5px}
.type-opt .ico{width:22px;height:22px;color:var(--ink-400)}
.type-opt:hover span{border-color:var(--ink-600)}
.type-opt input:checked+span{border-color:var(--ink-900);background:var(--amber-50);box-shadow:inset 0 0 0 1px var(--ink-900)}
.type-opt input:checked+span .ico{color:var(--amber-700)}
.type-opt input:focus-visible+span{box-shadow:0 0 0 4px rgba(245,168,0,.3)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);cursor:pointer}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--ink-900);flex:none}
.check a{text-decoration:underline;text-underline-offset:3px}
.form-note{font-size:13.5px;color:var(--text-3)}
.form-msg{padding:16px 18px;border-radius:var(--r-sm);font-size:15px;display:none}
.form-msg.is-ok{display:block;background:var(--amber-50);color:var(--amber-700);border:1px solid rgba(245,168,0,.5)}
.form-msg.is-err{display:block;background:#FCEDE9;color:#93301C;border:1px solid rgba(214,69,42,.4)}
.cond{display:none}
.cond.is-on{display:grid}

/* ---------- 최종 CTA ---------- */
.cta-final{background:var(--amber-500);color:var(--ink-900);padding-block:clamp(72px,8vw,120px)}
.cta-final-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,5vw,80px);align-items:end}
.cta-final .eyebrow{color:var(--ink-900)}
.cta-final .eyebrow::before{background:var(--ink-900)}
.cta-final h2{margin-top:18px;font-size:clamp(34px,4.4vw,60px)}
.cta-final p{margin-top:18px;font-size:17px;line-height:1.75;color:var(--ink-700);max-width:54ch}
.cta-final .btn-ghost{border-color:var(--ink-900);color:var(--ink-900)}
.cta-final .btn-ghost:hover{background:var(--ink-900);color:var(--amber-400)}
.cta-assure{display:grid;border-top:1px solid var(--ink-900)}
.cta-assure li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid rgba(23,21,15,.25)}
.ca-ico{width:36px;height:36px;display:grid;place-items:center;flex:none;background:var(--ink-900);color:var(--amber-400);border-radius:var(--r-xs)}
.ca-ico .ico{width:18px;height:18px}
.ca-txt b{display:block;font-size:16px}
.ca-txt span{font-size:14.5px;color:var(--ink-700)}

/* ---------- 푸터 ---------- */
.site-footer{background:var(--ink-950);color:var(--ink-300);padding:clamp(64px,7vw,96px) 0 36px;font-size:14.5px}
.footer-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand img{height:30px;width:auto}
.footer-tagline{margin-top:22px;font-size:20px;font-weight:700;letter-spacing:-.03em;line-height:1.45;color:#fff}
.footer-tagline span{display:block;margin-top:4px;font-family:var(--mono);font-size:12px;font-weight:400;letter-spacing:.02em;color:var(--ink-400)}
.footer-scope{margin-top:16px;font-size:13.5px;color:var(--ink-400)}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer-cols h4{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--amber-400);margin-bottom:14px}
.footer-cols a{display:block;padding:5px 0;color:var(--ink-300);transition:color .2s}
.footer-cols a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;padding-top:28px;font-size:13px;color:var(--ink-400);line-height:1.8}
.footer-legal strong{color:var(--ink-200);font-weight:600}
.footer-links{display:flex;gap:18px;margin-top:6px}
.footer-links a{color:var(--ink-300)}
.footer-links a:first-child{color:#fff;font-weight:700}
.footer-links a:hover{color:var(--amber-400)}

/* ---------- 플로팅 · 모바일 CTA ---------- */
.fab-stack{position:fixed;right:20px;bottom:20px;z-index:800;display:flex;flex-direction:column;gap:10px;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s,transform .3s var(--ease)}
.fab-stack.is-visible{opacity:1;transform:none;pointer-events:auto}
.fab{display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 18px;border-radius:var(--r-sm);font-weight:700;font-size:14.5px;box-shadow:var(--shadow-lg)}
.fab .ico{width:18px;height:18px}
.fab--contact{background:var(--ink-900);color:#fff}
.fab--contact:hover{background:var(--ink-700)}
.fab--kakao{background:#FEE500;color:#191600}
.mobile-cta-bar{display:none}

/* ---------- 404 ---------- */
.page-404{min-height:70vh;display:grid;place-items:center;text-align:center;padding:80px var(--gutter);background:var(--paper)}
.page-404>div{max-width:640px}
.page-404 .code{font-family:var(--mono);font-size:clamp(72px,12vw,140px);font-weight:600;line-height:1;color:var(--amber-500);letter-spacing:-.04em}
.page-404 h1{margin-top:16px;font-size:clamp(28px,3.4vw,40px)}
.page-404 .lead{margin:16px auto 0}
.page-404 .btn-row{justify-content:center}
.page-404 .small{margin-top:24px;color:var(--text-3)}
.page-404 .small a{color:var(--amber-700);text-decoration:underline;text-underline-offset:3px}
.page-404 .illus{border:0;background:transparent;padding:0}

/* ---------- 스크롤 리빌 ---------- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
[data-reveal="fade"]{transform:none}
[data-reveal="left"]{transform:translateX(-24px)}
[data-reveal="right"]{transform:translateX(24px)}
[data-reveal="scale"]{transform:scale(.97)}
[data-reveal].is-in{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.stagger.is-in>*{opacity:1;transform:none}
.stagger.is-in>*:nth-child(2){transition-delay:70ms}.stagger.is-in>*:nth-child(3){transition-delay:140ms}.stagger.is-in>*:nth-child(4){transition-delay:210ms}.stagger.is-in>*:nth-child(5){transition-delay:280ms}.stagger.is-in>*:nth-child(6){transition-delay:350ms}

/* =====================================================================
   홈 (단일 랜딩) 전용 컴포넌트
   ===================================================================== */

/* ---- H1. 히어로 — 밝은 종이 위 큰 활자 + 계측 패널 ---- */
.hx{position:relative;background:var(--paper);padding:clamp(48px,6vw,88px) 0 0;overflow:hidden}
.hx::before{content:'';position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.55;-webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 85%);mask-image:linear-gradient(180deg,#000 0%,transparent 85%);pointer-events:none}
.hx-grid{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,5vw,72px);align-items:center}
.hx h1{margin-top:22px}
.hx h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--amber-400) 62%,var(--amber-400) 92%,transparent 92%)}
.hx .lead{margin-top:26px}
.hx-panel{position:relative}
.hx-photo{position:relative;aspect-ratio:4/5;border-radius:var(--r);overflow:hidden;background:var(--ink-900)}
.hx-photo img{width:100%;height:100%;object-fit:cover}
.hx-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,21,15,0) 45%,rgba(23,21,15,.55))}
.hx-tag{position:absolute;left:16px;top:16px;z-index:1;font-family:var(--mono);font-size:11.5px;color:#fff;background:rgba(23,21,15,.6);padding:6px 9px;border-radius:var(--r-xs);backdrop-filter:blur(6px)}
/* 계측 위젯 */
.meter{position:absolute;left:-40px;bottom:28px;z-index:2;width:min(330px,88%);background:var(--white);border:1px solid var(--ink-900);border-radius:var(--r);box-shadow:var(--shadow-lg);padding:18px 18px 16px}
.meter-head{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11.5px;color:var(--text-3)}
.meter-live{display:inline-flex;align-items:center;gap:6px;color:var(--lime-700)}
.meter-live::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--lime-500);animation:pulse 1.8s ease-in-out infinite}
.meter-rows{margin-top:12px;display:grid;gap:10px}
.meter-row{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding-bottom:10px;border-bottom:1px dashed var(--line-strong)}
.meter-row:last-child{border-bottom:0;padding-bottom:0}
.meter-row span{font-size:13.5px;color:var(--text-2)}
.meter-row b{font-size:20px;letter-spacing:-.03em}
.meter-row b s{font-size:13px;font-weight:500;color:var(--ink-400);margin-right:6px}
.meter-row b.is-good{color:var(--amber-700)}
.meter-spark{margin-top:12px;height:46px;width:100%}
.meter-foot{margin-top:8px;font-size:11.5px;color:var(--text-3)}
/* 사업 인덱스 띠 */
.hx-index{position:relative;margin-top:clamp(56px,7vw,96px);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--ink-900);background:var(--white)}
.hx-index a{display:flex;flex-direction:column;gap:6px;padding:22px 24px 26px;transition:background .2s}
.hx-index a+a{border-left:1px solid var(--line)}
.hx-index a:hover{background:var(--amber-50)}
.hx-index .n{font-family:var(--mono);font-size:12px;color:var(--amber-700)}
.hx-index b{font-size:18px;letter-spacing:-.02em;display:flex;justify-content:space-between;align-items:center}
.hx-index b .ico{width:18px;height:18px;transition:transform .25s var(--ease)}
.hx-index a:hover b .ico{transform:translateX(4px)}
.hx-index span:last-child{font-size:14px;color:var(--text-2)}

/* ---- H2. 증명 숫자 밴드 ---- */
.proof{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.proof-item{padding:6px 24px 0;border-left:1px solid var(--line)}
.proof-item:first-child{padding-left:0;border-left:0}
.proof-val{font-size:clamp(44px,5vw,72px);font-weight:700;letter-spacing:-.055em;line-height:1}
.proof-val small{font-size:.36em;font-weight:600;letter-spacing:-.01em;margin-left:4px;color:var(--amber-700)}
.proof-label{margin-top:14px;font-size:15.5px;font-weight:700}
.proof-src{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.6}

/* ---- H3. 사업 목록 (에디토리얼 로우) ---- */
.biz{border-top:1px solid var(--ink-900)}
.biz-row{display:grid;grid-template-columns:56px minmax(0,4fr) minmax(0,5fr) 180px;gap:clamp(16px,3vw,40px);align-items:start;padding:30px 0;border-bottom:1px solid var(--line);transition:background .2s}
.biz-row:hover{background:linear-gradient(90deg,var(--amber-50),transparent 80%)}
.biz-n{font-family:var(--mono);font-size:14px;color:var(--amber-700);padding-top:8px}
.biz-title h3{font-size:clamp(22px,2.2vw,30px);letter-spacing:-.035em}
.biz-title .badge{margin-top:12px}
.biz-desc p{color:var(--text-2);font-size:15.5px;line-height:1.75}
.biz-tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.biz-tags span{font-family:var(--mono);font-size:11.5px;padding:3px 8px;border:1px solid var(--line-strong);border-radius:var(--r-xs);color:var(--ink-600)}
.biz-thumb{aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:var(--paper-2)}
.biz-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.biz-row:hover .biz-thumb img{transform:scale(1.05)}

/* ---- H4. 스티키 2단 (좌 제목 고정 / 우 내용) ---- */
.sticky-split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(32px,5vw,80px);align-items:start}
.sticky-split>.sticky-col{position:sticky;top:calc(var(--header-h) + 32px)}
.sticky-col h2{margin-top:18px}
.sticky-col p{margin-top:18px;color:var(--text-2);font-size:16.5px;line-height:1.75}
.sticky-col .link-arrow{margin-top:26px}
.section--dark .sticky-col p{color:var(--ink-300)}
/* 번호 매긴 문제 목록 */
.issues{border-top:1px solid var(--ink-900)}
.issue{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;padding:24px 0;border-bottom:1px solid var(--line)}
.issue .n{font-family:var(--mono);font-size:13px;color:var(--amber-700);padding-top:4px}
.issue h3{font-size:20px}
.issue p{margin-top:8px;color:var(--text-2);font-size:15.5px;line-height:1.75}
/* 패널 (흰 박스) */
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.8vw,32px)}
.panel-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.panel-head h3{font-size:19px}
.panel-head span{font-family:var(--mono);font-size:12px;color:var(--text-3)}
.legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px;font-size:13px;color:var(--text-2)}
.legend i{display:inline-block;width:22px;height:0;border-top:2.5px solid;vertical-align:middle;margin-right:8px}
.wide-photo{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:21/9;background:var(--ink-900)}
.wide-photo img{width:100%;height:100%;object-fit:cover}
.wide-photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:clamp(20px,3vw,36px);color:#fff;background:linear-gradient(180deg,transparent,rgba(16,15,11,.82))}
.wide-photo figcaption b{display:block;font-size:clamp(20px,2vw,26px);letter-spacing:-.03em}
.wide-photo figcaption span{display:block;margin-top:6px;font-size:15px;color:var(--ink-200);max-width:60ch}

/* ---- H5. 측정 · 분석 · 제어 3단 ---- */
.mac{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--ink-900);border-radius:var(--r);overflow:hidden;background:var(--white)}
.mac-step{position:relative;padding:clamp(24px,3vw,36px)}
.mac-step+.mac-step{border-left:1px solid var(--line)}
.mac-step .k{display:flex;align-items:center;justify-content:space-between;font-family:var(--mono);font-size:12.5px;color:var(--text-3)}
.mac-step .k b{width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-sm);background:var(--ink-900);color:var(--amber-400);font-size:18px;font-weight:600}
.mac-step:last-child .k b{background:var(--amber-500);color:var(--ink-900)}
.mac-step h3{margin-top:22px;font-size:22px}
.mac-step h3 small{display:block;margin-top:2px;font-family:var(--mono);font-size:12px;font-weight:400;letter-spacing:.04em;color:var(--text-3)}
.mac-step ul{margin-top:16px}
.mac-loop{display:flex;align-items:center;gap:12px;justify-content:center;padding:14px 20px;background:var(--ink-900);color:#F3EFE7;font-size:14.5px;font-weight:600}
.mac-loop .ico{width:18px;height:18px;color:var(--amber-400)}
.mac-wrap{border-radius:var(--r);overflow:hidden;border:1px solid var(--ink-900)}
.mac-wrap .mac{border:0;border-radius:0}

/* ---- H6. 산정 예시 영수증 + 검증 수치 ---- */
.results-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,56px);align-items:start}
.receipt{position:relative;background:var(--white);border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:28px 28px 32px;box-shadow:var(--shadow);font-size:15px}
.receipt::after{content:'';position:absolute;left:0;right:0;bottom:-10px;height:10px;background:radial-gradient(circle at 7px -3px,transparent 8px,var(--white) 8.5px) 0 0/14px 10px repeat-x}
.receipt-head{display:flex;justify-content:space-between;align-items:baseline;padding-bottom:14px;border-bottom:2px solid var(--ink-900)}
.receipt-head b{font-size:17px;letter-spacing:-.02em}
.receipt-head span{font-family:var(--mono);font-size:11.5px;color:var(--text-3)}
.receipt dl{margin:0}
.r-row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line-strong)}
.r-row dt{color:var(--text-2)}
.r-row dd{margin:0;font-family:var(--mono);font-size:14.5px;font-weight:600;text-align:right}
.r-sub{margin-top:18px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:var(--text-3)}
.r-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.r-total dt{font-weight:700}
.r-total dd{margin:0;font-size:22px;font-weight:700;letter-spacing:-.03em}
.r-total dd small{font-size:13px;font-weight:600;margin-left:3px;color:var(--text-2)}
.r-total.is-key dd{font-size:30px;color:var(--amber-700)}
.receipt-foot{margin-top:16px;font-size:12.5px;line-height:1.65;color:var(--text-3)}
.verified{border-top:1px solid var(--ink-900)}
.v-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}
.v-val{font-size:44px;font-weight:700;letter-spacing:-.05em;line-height:1}
.v-val small{font-size:.42em;margin-left:2px;color:var(--amber-700)}
.v-body b{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:17px;letter-spacing:-.02em}
.v-body p{margin-top:6px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.v-bar{margin-top:12px;height:6px;background:var(--paper-2);border-radius:3px;overflow:hidden}
.v-bar i{display:block;height:100%;width:var(--w);background:var(--amber-500);transform-origin:left;transform:scaleX(0);transition:transform 1.2s var(--ease-out)}
.is-in .v-bar i{transform:scaleX(1)}
.v-row.is-ref .v-bar i{background:var(--ink-300)}

/* ---- H7. 플랫폼 — 대시보드 목업 ---- */
.pf-top{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,72px);align-items:center}
.pf-top h2{margin-top:18px}
.pf-top p{margin-top:18px;color:var(--ink-300);font-size:16.5px;line-height:1.75}
.app{background:#1F1C16;border:1px solid rgba(255,255,255,.14);border-radius:var(--r);overflow:hidden;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);font-size:13px;color:#EDE8DE}
.app-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#26221B;border-bottom:1px solid rgba(255,255,255,.08)}
.app-bar i{width:9px;height:9px;border-radius:50%;background:#4A453D}
.app-bar i:first-child{background:var(--amber-500)}
.app-url{margin-left:10px;flex:1;max-width:320px;padding:4px 10px;border-radius:var(--r-xs);background:rgba(255,255,255,.06);font-family:var(--mono);font-size:11.5px;color:var(--ink-300)}
.app-body{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;padding:14px}
.tile{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-sm);padding:14px}
.tile-l{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--ink-400);text-transform:uppercase;display:flex;justify-content:space-between}
.tile-v{margin-top:8px;font-size:24px;font-weight:700;letter-spacing:-.03em;color:#fff}
.tile-v small{font-size:12px;font-weight:500;color:var(--ink-400);margin-left:4px}
.tile-d{font-family:var(--mono);font-size:11px;color:var(--amber-400)}
.tile svg{margin-top:8px;width:100%;height:40px}
.t-3{grid-column:span 3}.t-2{grid-column:span 2}.t-4{grid-column:span 4}.t-6{grid-column:span 6}
.tile-list{margin-top:10px;display:grid;gap:7px}
.tile-list li{display:flex;justify-content:space-between;gap:8px;padding-bottom:7px;border-bottom:1px solid rgba(255,255,255,.07);color:var(--ink-200)}
.tile-list li:last-child{border-bottom:0;padding-bottom:0}
.tile-list em{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink-400)}
.tile-list .ok{color:#B8E35A}
.app-cap{margin-top:12px;font-family:var(--mono);font-size:11.5px;color:var(--ink-400);text-align:right}
.feat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.4)}
.feat-item{padding:28px 28px 30px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.feat-item:not(:nth-child(3n+1)){padding-left:28px;border-left:1px solid rgba(255,255,255,.12)}
.feat-item .n{font-family:var(--mono);font-size:12px;color:var(--amber-400)}
.feat-item h3{margin-top:14px;font-size:19px;color:#fff}
.feat-item p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--ink-300)}
.ref{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:0;border:1px solid rgba(255,255,255,.16);border-radius:var(--r);overflow:hidden}
.ref-body{padding:clamp(24px,3.4vw,44px)}
.ref-body h3{margin-top:16px;font-size:clamp(22px,2.2vw,28px);color:#fff}
.ref-body>p{margin-top:12px;color:var(--ink-300);font-size:15.5px;line-height:1.75}
.ref-photo{position:relative;min-height:320px}
.ref-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ref-photo figcaption{position:absolute;left:14px;bottom:14px;font-family:var(--mono);font-size:11px;color:#fff;background:rgba(16,15,11,.6);padding:5px 8px;border-radius:var(--r-xs)}

/* ---- H8. 데이터센터 — 사진 + 레이어 표 ---- */
.dc{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,72px);align-items:start}
.dc-photo{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;background:var(--paper-2)}
.dc-photo img{width:100%;height:100%;object-fit:cover}
.dc-photo figcaption{position:absolute;left:14px;bottom:14px;font-family:var(--mono);font-size:11px;color:#fff;background:rgba(16,15,11,.6);padding:5px 8px;border-radius:var(--r-xs)}
.dc h2{margin-top:18px}
.dc-lead{margin-top:18px;color:var(--text-2);font-size:16.5px;line-height:1.75}
.layers{margin-top:32px;border-top:1px solid var(--ink-900)}
.layer-row{display:grid;grid-template-columns:110px minmax(0,1fr) auto;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}
.layer-row .k{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--amber-700);padding-top:2px}
.layer-row b{display:block;font-size:16px}
.layer-row span{display:block;margin-top:4px;font-size:14.5px;color:var(--text-2);line-height:1.65}

/* ---- H9. 제품 ---- */
.prod{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(16px,2vw,24px)}
.prod-main{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(20px,3vw,40px);padding:clamp(24px,3vw,36px);background:var(--white);border:1px solid var(--ink-900);border-radius:var(--r)}
.prod-stage{display:grid;place-items:center;background:linear-gradient(180deg,var(--paper),var(--paper-2));border-radius:var(--r-sm);padding:20px;min-height:340px}
.prod-stage img{max-height:330px;width:auto}
.prod-main h3{margin-top:12px;font-size:clamp(22px,2.2vw,28px)}
.prod-main p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.75}
.prod-main .spec-table th,.prod-main .spec-table td{padding:10px 8px 10px 0;font-size:14px}
.prod-main .spec-table th{width:34%}
.prod-side{display:grid;gap:clamp(16px,2vw,24px)}
.prod-card{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:18px;align-items:center;padding:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--r)}
.prod-card .prod-stage{min-height:160px;padding:12px}
.prod-card .prod-stage img{max-height:140px}
.prod-card h3{margin-top:10px;font-size:18px}
.prod-card p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---- H10. 진행 절차 (타임라인) ---- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative}
.steps::before{content:'';position:absolute;left:0;right:0;top:21px;height:1px;background:var(--ink-900)}
.step{position:relative;padding-right:20px}
.step .dot{position:relative;width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--white);border:1px solid var(--ink-900);font-family:var(--mono);font-size:13px;font-weight:600}
.step:first-child .dot{background:var(--amber-500);border-color:var(--amber-500)}
.step h3{margin-top:20px;font-size:18px}
.step p{margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--text-2)}
.step .meta{margin-top:12px;font-family:var(--mono);font-size:11.5px;color:var(--amber-700)}
.need{margin-top:clamp(40px,5vw,56px);display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px;align-items:center;padding:24px 28px;background:var(--paper);border-radius:var(--r)}
.need b{font-size:17px}
.need ul{display:flex;flex-wrap:wrap;gap:8px}
.need li{padding:8px 14px;background:var(--white);border:1px solid var(--line-strong);border-radius:var(--r-sm);font-size:14.5px;font-weight:600}

/* ---- H11. FAQ 2단 ---- */
.faq-split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(32px,5vw,80px);align-items:start}
.faq-split .sticky-col{position:sticky;top:calc(var(--header-h) + 32px)}

/* ---------- 반응형 ---------- */
@media (max-width:1100px){
  .biz-row{grid-template-columns:56px minmax(0,1fr) minmax(0,1fr)}
  .biz-thumb{display:none}
  .prod{grid-template-columns:1fr}
  .meter{left:-20px}
}
@media (max-width:960px){
  :root{--header-h:62px}
  .nav,.header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .split,.split--contact,.hx-grid,.sticky-split,.faq-split,.results-grid,.pf-top,.dc,.ref,.cta-final-inner,.footer-top,.need{grid-template-columns:1fr}
  .sticky-split>.sticky-col,.faq-split .sticky-col{position:static}
  .section-head--rule{grid-template-columns:1fr}
  .section-head--rule .eyebrow{grid-row:auto}
  .section-head--rule>*:not(.eyebrow){grid-column:1}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hx-panel{max-width:520px}
  .hx-photo{aspect-ratio:4/3}
  .meter{left:auto;right:16px;bottom:16px}
  .proof{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px}
  .proof-item:nth-child(3){padding-left:0;border-left:0}
  .mac{grid-template-columns:1fr}
  .mac-step+.mac-step{border-left:0;border-top:1px solid var(--line)}
  .feat{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feat-item:not(:nth-child(3n+1)){padding-left:0;border-left:0}
  .feat-item:nth-child(2n){padding-left:24px;border-left:1px solid rgba(255,255,255,.12)}
  .steps{grid-template-columns:1fr;gap:0}
  .steps::before{left:21px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .step{display:grid;grid-template-columns:42px minmax(0,1fr);column-gap:18px;padding:0 0 28px}
  .step .dot{grid-row:1/span 4}
  .step h3{margin-top:8px}
  .dc-photo{aspect-ratio:16/10}
  .ref-photo{min-height:240px}
  .icon-grid{grid-template-columns:1fr!important}
  .icon-grid .icon-item{padding-left:0!important;border-left:0!important}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-step:nth-child(odd){padding-left:0;border-left:0}
  .hero-specs{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:18px}
  .hero-specs>div:nth-child(3){padding-left:0;border-left:0}
  .mobile-cta-bar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:850;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s var(--ease)}
  .mobile-cta-bar.is-visible{transform:none}
  .fab-stack{display:none}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .type-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .hx-index{grid-template-columns:1fr}
  .hx-index a+a{border-left:0;border-top:1px solid var(--line)}
  .meter{position:relative;left:auto;right:auto;bottom:auto;width:100%;margin-top:-48px;margin-inline:auto;max-width:calc(100% - 24px)}
  .proof{grid-template-columns:1fr}
  .proof-item{padding-left:0;border-left:0;padding-top:20px;border-top:1px solid var(--line)}
  .proof-item:first-child{border-top:0;padding-top:0}
  .biz-row{grid-template-columns:1fr;gap:12px}
  .biz-n{padding-top:0}
  .grid-2,.grid-3,.form-row{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr}
  .feat-item:nth-child(2n){padding-left:0;border-left:0}
  .v-row{grid-template-columns:1fr;gap:10px}
  .layer-row{grid-template-columns:1fr;gap:6px}
  .prod-main,.prod-card{grid-template-columns:1fr}
  .app-body{grid-template-columns:repeat(2,minmax(0,1fr))}
  .t-3,.t-2,.t-4,.t-6{grid-column:span 2}
  .flow{grid-template-columns:1fr}
  .flow-step,.flow-step+.flow-step{padding-left:0;border-left:0;border-bottom:1px solid var(--line);padding-bottom:20px}
  .ledger-row{grid-template-columns:1fr!important}
  .ledger-item+.ledger-item{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .spec-table th{white-space:normal;width:36%}
  .btn-row .btn{flex:1 1 100%}
  .footer-cols{grid-template-columns:1fr 1fr}
  .wide-photo{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  [data-reveal],.stagger>*{opacity:1!important;transform:none!important}
  .v-bar i{transform:none!important}
}
@media print{
  .site-header,.site-footer,.fab-stack,.mobile-cta-bar,.cta-final,.scroll-progress{display:none!important}
  [data-reveal],.stagger>*{opacity:1!important;transform:none!important}
}