:root{
    --navy:#070C24; --navy-2:#0E1640; --blue:#3D6BFF; --ice:#8FB4FF; --sky:#DCE7FF;
    --white:#F5F8FF; --muted:#9AA6C8; --line:rgba(143,180,255,.18);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'Noto Sans KR',sans-serif;background:var(--navy);color:var(--white);line-height:1.7;overflow-x:hidden}
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1200px;margin:0 auto;padding:0 24px}
  .eyebrow{font-family:'Montserrat';font-size:13px;letter-spacing:.3em;color:var(--ice);text-transform:uppercase;margin-bottom:16px}
  h2{font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.35;letter-spacing:-.02em}
  .lead{color:var(--muted);font-size:clamp(15px,1.6vw,18px);margin-top:18px}

  /* Header */
  header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,backdrop-filter .3s}
  header.scrolled{background:rgba(7,12,36,.75);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo{font-family:'Montserrat';font-weight:800;font-size:22px;letter-spacing:.28em}
  .logo span{color:var(--ice)}
  .menu{display:flex;gap:36px;font-size:14px;color:var(--muted)}
  .menu a:hover{color:var(--white)}
  .btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:500;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s}
  .btn:hover{transform:translateY(-2px)}
  .btn-primary{background:var(--blue);box-shadow:0 10px 30px rgba(61,107,255,.45)}
  .btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.04)}
  .btn-sm{padding:10px 20px;font-size:13px}
  .btn svg{width:18px;height:18px;fill:currentColor}

  /* Hero */
  .hero{position:relative;min-height:100vh;display:flex;align-items:center;background:url(../images/hero.png) center right/cover no-repeat}
  .hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,12,36,.95) 0%,rgba(7,12,36,.7) 40%,rgba(7,12,36,0) 70%),linear-gradient(0deg,var(--navy) 0%,transparent 25%)}
  .hero .wrap{position:relative;width:100%}
  .hero h1{font-size:clamp(38px,6vw,76px);font-weight:700;line-height:1.2;letter-spacing:-.03em}
  .hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--ice),#fff);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero p{max-width:460px}
  .hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
  .scroll-hint{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);font-family:'Montserrat';font-size:11px;letter-spacing:.3em;color:var(--muted)}

  section{padding:140px 0}

  /* Empathy */
  .empathy{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center}
  .empathy img{border-radius:24px;box-shadow:0 40px 80px rgba(0,0,0,.4)}
  .pains{margin-top:32px;display:grid;gap:12px}
  .pains li{list-style:none;padding:16px 20px;border:1px solid var(--line);border-radius:14px;color:var(--sky);background:rgba(255,255,255,.02)}

  /* Before / After */
  .ba-head{text-align:center;max-width:680px;margin:0 auto 56px}
  .ba{position:relative;border-radius:28px;overflow:hidden;aspect-ratio:1672/940;box-shadow:0 0 120px rgba(61,107,255,.25)}
  .ba img{width:100%;height:100%;object-fit:cover}
  .ba-labels{position:absolute;inset:auto 24px 24px 24px;display:flex;justify-content:space-between;font-family:'Montserrat';font-size:12px;letter-spacing:.25em}
  .ba-labels span{padding:8px 16px;border-radius:999px;background:rgba(7,12,36,.6);backdrop-filter:blur(8px)}

  /* App features */
  .app{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%)}
  .features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px}
  .feature{padding:36px 30px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.03);transition:border-color .3s,transform .3s}
  .feature:hover{border-color:var(--ice);transform:translateY(-4px)}
  .feature .num{font-family:'Montserrat';font-weight:800;color:var(--blue);font-size:14px;letter-spacing:.2em}
  .feature h3{font-size:21px;margin:14px 0 10px}
  .feature p{color:var(--muted);font-size:15px}
  .showcase{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
  .showcase figure{position:relative;border-radius:22px;overflow:hidden}
  .showcase img{aspect-ratio:16/10;object-fit:cover;transition:transform .6s}
  .showcase figure:hover img{transform:scale(1.04)}
  .showcase figcaption{position:absolute;left:0;right:0;bottom:0;padding:48px 26px 22px;background:linear-gradient(0deg,rgba(7,12,36,.9),transparent);font-size:15px}

  /* Products */
  .products-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
  .products{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px}
  .product{border-radius:22px;overflow:hidden;background:var(--navy-2);border:1px solid var(--line)}
  .product .thumb{aspect-ratio:1;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,rgba(61,107,255,.35),transparent 65%);position:relative}
  .product .thumb svg{width:42%;height:42%;stroke:var(--ice);fill:none;stroke-width:1.5}
  .product .soon{position:absolute;top:14px;right:14px;font-size:11px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
  .product .body{padding:24px}
  .product .cat{font-family:'Montserrat';font-size:11px;letter-spacing:.2em;color:var(--ice)}
  .product h3{font-size:19px;margin:6px 0 10px}
  .product p{color:var(--muted);font-size:14px}
  .product ul{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
  .product li{list-style:none;font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(143,180,255,.1);color:var(--sky)}

  /* Brand */
  .brand{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
  .brand img{border-radius:28px;box-shadow:0 0 100px rgba(61,107,255,.3)}
  .brand blockquote{font-size:clamp(24px,3vw,34px);font-weight:300;line-height:1.5;letter-spacing:-.02em}
  .brand blockquote b{font-weight:700;color:var(--ice)}

  /* CTA */
  .cta{text-align:center;padding:120px 24px;margin:0 24px 80px;border-radius:32px;background:radial-gradient(ellipse at top,rgba(61,107,255,.45),transparent 70%),var(--navy-2);border:1px solid var(--line)}
  .cta .actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:40px}

  footer{border-top:1px solid var(--line);padding:48px 0;color:var(--muted);font-size:13px}
  .foot{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
  .foot .links{display:flex;gap:20px}
  .foot .links a:hover{color:var(--white)}

  .reveal{opacity:0;transform:translateY(40px);transition:opacity .9s ease,transform .9s ease}
  .reveal.on{opacity:1;transform:none}

  @media (max-width:960px){
    .nav{height:auto;padding:12px 24px;flex-wrap:wrap;row-gap:10px}
    .menu{order:3;width:100%;gap:18px;font-size:13px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
    .menu::-webkit-scrollbar{display:none}
    .menu a{white-space:nowrap;padding-bottom:2px}
    section{padding:96px 0}
    .empathy,.brand{grid-template-columns:1fr;gap:40px}
    .features{grid-template-columns:1fr}
    .showcase{grid-template-columns:1fr}
    .products{grid-template-columns:repeat(2,1fr)}
    .hero{background-position:70% center}
    .hero::before{background:linear-gradient(0deg,rgba(7,12,36,1) 10%,rgba(7,12,36,.55) 60%,rgba(7,12,36,.3))}
    .hero .wrap{padding-top:35vh}
  }
  @media (max-width:520px){
    .products{grid-template-columns:1fr}
    .nav .btn{padding:8px 16px;font-size:12px}
    .logo{font-size:19px}
  }

  /* ── 하위 페이지 공통 ───────────────────────────── */
  .page-hero{padding:180px 0 90px;background:linear-gradient(180deg,var(--navy-2) 0%,var(--navy) 100%);border-bottom:1px solid var(--line)}
  .page-hero h1{font-size:clamp(32px,5vw,56px);font-weight:700;line-height:1.25;letter-spacing:-.03em}
  .page-hero .lead{max-width:620px}
  .menu a.on{color:var(--white)}

  /* 단계 흐름 */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;counter-reset:step}
  .step{position:relative;padding:32px 24px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.03)}
  .step::before{counter-increment:step;content:"0" counter(step);font-family:'Montserrat';font-weight:800;font-size:13px;letter-spacing:.2em;color:var(--blue)}
  .step h3{font-size:18px;margin:12px 0 8px}
  .step p{color:var(--muted);font-size:14px}

  /* 기능 상세 */
  .detail{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-top:96px}
  .detail:first-of-type{margin-top:56px}
  .detail.flip > :first-child{order:2}
  .detail img{border-radius:24px;box-shadow:0 30px 70px rgba(0,0,0,.45)}
  .detail h3{font-size:clamp(22px,2.6vw,30px);margin:12px 0 14px;letter-spacing:-.02em}
  .detail p{color:var(--muted)}
  .checks{margin-top:22px;display:grid;gap:10px}
  .checks li{list-style:none;display:flex;gap:12px;align-items:flex-start;color:var(--sky);font-size:15px}
  .checks li::before{content:"";flex:none;width:18px;height:18px;margin-top:4px;border-radius:50%;background:rgba(61,107,255,.18);border:1px solid var(--ice)}

  /* 활용 사례 */
  .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
  .case{padding:30px 26px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.02)}
  .case .tag{font-family:'Montserrat';font-size:11px;letter-spacing:.2em;color:var(--ice)}
  .case h3{font-size:18px;margin:10px 0 8px}
  .case p{color:var(--muted);font-size:14px}

  /* 갤러리 */
  .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
  .gallery figure{border-radius:22px;overflow:hidden;position:relative;background:var(--navy-2);border:1px solid var(--line)}
  .gallery img{aspect-ratio:9/16;object-fit:cover;width:100%;transition:transform .6s}
  .gallery figure:hover img{transform:scale(1.04)}
  .gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 20px 18px;background:linear-gradient(0deg,rgba(7,12,36,.92),transparent);font-size:14px}

  /* FAQ */
  .faq{margin-top:48px;display:grid;gap:12px;max-width:860px}
  .faq details{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.03);overflow:hidden}
  .faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:500;display:flex;justify-content:space-between;gap:16px;align-items:center}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";font-family:'Montserrat';color:var(--ice);font-size:20px;flex:none;transition:transform .25s}
  .faq details[open] summary::after{transform:rotate(45deg)}
  .faq p{padding:0 24px 22px;color:var(--muted);font-size:15px}

  /* 회사 소개 */
  .values{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
  .value{padding:34px 28px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.03)}
  .value h3{font-size:19px;margin:12px 0 10px}
  .value p{color:var(--muted);font-size:15px}
  .value .mark{font-family:'Montserrat';font-weight:800;font-size:13px;letter-spacing:.2em;color:var(--blue)}
  .timeline{margin-top:48px;max-width:760px;border-left:1px solid var(--line);padding-left:32px;display:grid;gap:32px}
  .tl{position:relative}
  .tl::before{content:"";position:absolute;left:-40px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(61,107,255,.18)}
  .tl .when{font-family:'Montserrat';font-size:12px;letter-spacing:.2em;color:var(--ice)}
  .tl h3{font-size:18px;margin:6px 0 6px}
  .tl p{color:var(--muted);font-size:14px}
  .bizinfo{margin-top:56px;border:1px solid var(--line);border-radius:22px;overflow:hidden}
  .bizinfo div{display:flex;gap:20px;padding:16px 24px;border-bottom:1px solid var(--line);font-size:15px}
  .bizinfo div:last-child{border-bottom:0}
  .bizinfo dt{flex:none;width:140px;color:var(--ice);font-weight:500}
  .bizinfo dd{color:var(--muted)}

  /* 문의 */
  .contact-main{max-width:720px}
  .mail{display:inline-block;margin-top:28px;font-family:'Montserrat';font-weight:600;font-size:clamp(22px,3.4vw,34px);letter-spacing:-.01em;color:var(--white);padding-bottom:6px;border-bottom:2px solid var(--blue);transition:color .2s,border-color .2s}
  .mail:hover{color:var(--ice);border-color:var(--ice)}
  .form-note{margin-top:14px;font-size:13px;color:var(--muted)}
  .info{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:72px}
  .info .card{padding:26px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.03)}
  .info .card h3{font-size:16px;margin-bottom:10px}
  .info .card p{color:var(--muted);font-size:15px}

  @media (max-width:960px){
    .steps{grid-template-columns:repeat(2,1fr)}
    .detail{grid-template-columns:1fr;gap:36px}
    .detail.flip > :first-child{order:0}
    .cases,.gallery,.values{grid-template-columns:1fr}
    .page-hero{padding:140px 0 70px}
    .bizinfo div{flex-direction:column;gap:4px}
    .bizinfo dt{width:auto}
  }
  @media (max-width:520px){
    .steps{grid-template-columns:1fr}
  }

  @media (max-width:760px){
    .info{grid-template-columns:1fr;margin-top:48px}
  }