/* Page stylesheet: index.html
   Source sections follow in the same cascade order as the former links. */

@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Noto+Serif+KR:wght@400;700;900&display=swap");

@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

/* ==========================================================================
   Source: css/pages/index-styles-1.css
   ========================================================================== */
:root{
  /* 폰트 시스템 적용 */
  --font-body: 'Noto Sans KR', sans-serif;
  --font-title: 'Pretendard', 'Noto Sans KR', sans-serif;

  /* 엔지니어링 펌 특유의 묵직하고 모던한 컬러 팔레트로 변경 */
  --bg: #ffffff; 
  --bg2: #f4f4f4; 
  --bg3: #111827; /* 다크 섹션 배경 */
  --white: #ffffff;
  --blue: #0f2a52; /* 딥 네이비 */
  --blue-lt: #1a3a6a;
  --cyan: #0077a3;
  --slate: #2c3e50; 
  --text: #1a1a1a; 
  --text2: #555555; 
  --muted: #888888;
  --border: #e0e0e0; 
  --border-dark: #333333;
  
  /* 그림자는 최소화하고 플랫하게 */
  --shadow-hover: 0 10px 30px rgba(0,0,0,0.08);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family: SUIT-Numbers, var(--font-body);
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:#f1f1f1;}
::-webkit-scrollbar-thumb{background:var(--slate);}

/* NAV - 좀 더 각지고 정돈된 스타일 */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 5%;height:80px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,0.98);border-bottom:1px solid #eaeaea;transition:all .3s;}
.nav-logo img{height:40px;width:auto;object-fit:contain;}
.nav-links{display:flex;gap:40px;list-style:none;}
.nav-links a{color:var(--text);font-size:18px;font-weight:500;font-family:SUIT-Numbers, var(--font-body);text-decoration:none;transition:color .2s;position:relative;}
.nav-links a::after{content:'';position:absolute;bottom:-8px;left:0;right:0;height:2px;background:var(--blue);transform:scaleX(0);transition:transform .3s;transform-origin:left;}
.nav-links a:hover{color:var(--blue);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-cta{padding:10px 24px;background:var(--blue);border:none;border-radius:0;color:white;font-size:14px;font-weight:700;font-family:SUIT-Numbers, var(--font-body);text-decoration:none;letter-spacing:0.5px;transition:all .2s;}
.nav-cta:hover{background:var(--slate);}
.hamburger{display:none;flex-direction:column;gap:6px;cursor:pointer;padding:4px;}
.hamburger span{width:28px;height:2px;background:var(--text);transition:.3s;}

/* HERO - 와이드하고 묵직한 톤 */
#hero{min-height:100vh;position:relative;overflow:hidden;display:flex;align-items:center;}
.hero-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0;}
#hero::before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(0,10,25,.68) 0%,rgba(0,10,25,.45) 0%,rgba(0,10,25,.12) 0%,transparent 100%);} /* 다크 오버레이 강화 */
.inner{max-width:1400px;margin:0 auto;width:100%;} /* 기존 1280px보다 더 넓게 (인토/한아 스타일) */
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;position:relative;z-index:2;padding:0 5%;padding-top:80px;padding-bottom:100px;}
.hero-tag{display:inline-flex;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,0.8);font-weight:500;letter-spacing:1px;margin-bottom:24px;}
.hero-tag::before{content:'';width:30px;height:1px;background:var(--cyan);}
.hero-logo{height:40px;width:auto;margin-bottom:30px;display:block;filter:brightness(0) invert(1);}
.hero-title{font-family:SUIT-Numbers, var(--font-title);font-size:clamp(36px,4vw,60px);font-weight:900;line-height:1.2;margin-bottom:24px;letter-spacing:-0.03em;color:white;}
.hero-sub{font-size:16px;font-weight:300;color:rgba(255,255,255,.7);line-height:1.9;margin-bottom:40px;}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.btn-main{padding:15px 36px;background:var(--blue);color:white;font-size:14px;font-weight:700;border:none;border-radius:0;cursor:pointer;text-decoration:none;letter-spacing:1px;transition:all .3s;display:inline-block;}
.btn-main:hover{background:white;color:var(--blue);}
.btn-out{padding:15px 36px;border:1px solid rgba(255,255,255,.5);color:white;font-size:14px;font-weight:500;background:transparent;border-radius:0;cursor:pointer;text-decoration:none;letter-spacing:1px;transition:all .3s;display:inline-block;}
.btn-out:hover{background:white;color:var(--text);}

/* HERO 오른쪽 카드 - 유리질의 둥근 느낌 배제, 건축적 그리드 */
.hero-right{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,0.2);border:1px solid rgba(255,255,255,0.2);}
.hcard{background:rgba(0,0,0,.4);padding:30px 24px;backdrop-filter:blur(10px);position:relative;transition:all .3s;}
.hcard:hover{background:var(--blue);}
.hc-icon{margin-bottom:16px;}
.hc-icon svg{stroke:white;width:28px;height:28px;}
.hc-num{font-family:SUIT-Numbers, var(--font-body);font-size:36px;font-weight:900;color:white;line-height:1;}
.hc-label{font-size:13px;color:rgba(255,255,255,.6);margin-top:8px;font-weight:400;}
.hc-title{font-size:15px;font-weight:700;margin-bottom:8px;color:white;}
.hc-desc{font-size:13px;color:rgba(255,255,255,.6);line-height:1.6;}

/* 공통 섹션 */
section{padding:120px 5%;position:relative;z-index:1;}
.sec-label{display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:700;color:var(--cyan);letter-spacing:1px;margin-bottom:16px;}
#about .sec-label{font-size:15px;letter-spacing:2px;}
.sec-label::before{content:'';width:24px;height:1px;background:var(--cyan);}
.sec-title{font-family:SUIT-Numbers, var(--font-title);font-size:clamp(32px,3.5vw,42px);font-weight:900;line-height:1.3;margin-bottom:24px;letter-spacing:-0.03em;color:var(--text);}
.sec-desc{font-size:15.5px;color:var(--text2);line-height:1.8;max-width:800px;}

/* ABOUT (회사소개) */
#about{background:var(--bg);}
.about-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 80px; align-items: stretch; }
.about-text { grid-column: 1 / 2; grid-row: 1; margin-bottom: 40px; }

/* 둥근 카드 배제 -> 도면/그리드 느낌의 딱딱한 박스 */
.ab-cards { grid-column: 1 / 2; grid-row: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.ab-card{ background:white; display:flex; flex-direction:column; transition:all .3s; }
.ab-card:hover{ background:var(--bg2); }
.ab-card-bg{ width:100%; height:100px; display:flex; align-items:center; justify-content:center; background:#fafafa; border-bottom:1px solid var(--border); }
.ab-card-bg svg{ width:40%; height:auto; opacity:0.8; }
.ab-card-foot{ padding:16px; text-align:center; }
.ab-icon{ display:none; } /* 심플함을 위해 중복 아이콘 제거 */
.ab-label{ font-size:14px; font-weight:700; color:var(--text); letter-spacing: -0.5px;}

/* 오른쪽 정보 리스트 - 선으로 구분된 구조적 디자인 */
.about-info { grid-column: 2 / 3; grid-row: 2; display: flex; flex-direction: column; justify-content: space-between; border-top: 2px solid var(--text); }
.info-row{ display:flex; gap:20px; align-items:center; padding:20px 0; border-bottom:1px solid var(--border); transition:all .2s; }
.ii{ display:none; } /* 아이콘 제거하여 학술/기업 느낌 강조 */
.it{ display:flex; flex-direction:column; gap:4px; }
.it h4{ font-size:13px; color:var(--text); font-weight:700; width: 120px; flex-shrink: 0; }
.it p{ font-size:15px; font-weight:400; line-height:1.6; color:var(--text2); }
/* 가로 정렬을 위한 미디어쿼리 대응 클래스 */
@media(min-width: 1025px) { .it { flex-direction: row; align-items: baseline; } }

/* SERVICES (사업분야) - 다크 테마 적용 */
#services{background:var(--bg3); color:white;}
#services .sec-label{color:var(--cyan);}
#services .sec-title{color:white;}
#services .sec-desc{color:rgba(255,255,255,0.6);}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:60px; background:var(--border-dark); border:1px solid var(--border-dark);}
.biz-card { background: var(--bg3); display: flex; flex-direction: column; transition: all 0.4s; }
.biz-card:hover { background: var(--blue); }
.biz-img-box { width: 100%; height: 240px; overflow: hidden; position: relative; border-bottom: 1px solid var(--border-dark); }
.biz-img-box img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(50%) contrast(1.1); transition: transform 0.7s, filter 0.7s; }
.biz-card:hover .biz-img-box img { transform: scale(1.05); filter: grayscale(0%); }
.biz-text { padding: 40px 30px; flex-grow: 1; }
.biz-text .num { font-family: SUIT-Numbers, var(--font-body); font-size: 20px; font-weight: 700; color: var(--cyan); letter-spacing: 2px; }
.biz-text h3 { font-family: SUIT-Numbers, var(--font-title); font-weight: 700; font-size: 22px; margin: 12px 0 16px; color: white; }
.biz-text p { font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 24px; }
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{padding:0; background:transparent; font-size:15px; color:var(--cyan); font-weight:800; border:none; letter-spacing: 0.5px;}

/* PORTFOLIO (경험) */
#portfolio{background:var(--bg2);}
.pf-filter{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px; border-bottom: 2px solid var(--border); padding-bottom: 16px;}
.filter-btn{padding:0; border:none; background:transparent; color:var(--muted); font-size:16px; font-weight:700; cursor:pointer; position:relative; padding-bottom: 14px; margin-bottom:-18px;}
.filter-btn::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--blue);transform:scaleX(0);transition:transform .3s;transform-origin:left;}
.filter-btn.active, .filter-btn:hover{color:var(--blue);}
.filter-btn.active::after{transform:scaleX(1);}
.pf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px; background:var(--border); border:1px solid var(--border);}
.pf-item{background:white; overflow:hidden; transition:all .3s; display:flex; flex-direction:column;}
.pf-item:hover{box-shadow:0 8px 32px rgba(0,0,0,.12); transform:translateY(-4px);}
.pf-thumb{height:160px; overflow:hidden; position:relative; flex-shrink:0;}
.pf-thumb svg{display:block; width:100%; height:160px; transition:transform .5s ease;}
.pf-item:hover .pf-thumb svg{transform:scale(1.06);}
.pf-body{padding:28px 28px 32px; flex:1;}


.pf-cat{font-size:17px; color:var(--cyan); font-weight:700; margin-bottom:12px; letter-spacing:1px;}
.pf-title{font-size:17px; font-weight:700; margin-bottom:24px; line-height:1.5; color:var(--text); transition: color .3s;}
.pf-title a{color:inherit;text-decoration:none;}
.pf-title a:hover{color:var(--blue);text-decoration:underline;}
.pf-client{font-size:14px; color:var(--muted); font-weight: 500; transition: color .3s;}
.pf-year{font-size:13px; font-weight:700; margin-top:8px;}
#portfolio .pf-item{display:flex;flex-direction:column;}
#portfolio .pf-body{display:flex;flex:1;flex-direction:column;min-height:235px;}
#portfolio .pf-client{margin-top:auto;padding-top:18px;}

/* NEWS & RECRUIT 를 한 영역으로 합쳐 그리드화 (엔지니어링 펌 스타일) */
#board-section { padding: 120px 5%; background: var(--bg); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.board-header { display:flex; justify-content:space-between; align-items:flex-end; border-bottom:2px solid var(--text); padding-bottom:16px; margin-bottom: 24px;}
.board-header h2 { font-family: SUIT-Numbers, var(--font-title); font-size: 28px; font-weight: 900; }
.board-list { display: flex; flex-direction: column; }
.board-item { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--border); transition: background .2s; }
.board-item:hover { padding-left: 10px; padding-right: 10px; background: var(--bg2); cursor: pointer; }
.b-cat { font-size: 12px; font-weight: 700; color: var(--blue); width: 80px; }
.b-title { font-size: 15px; font-weight: 500; color: var(--text); flex-grow: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 20px; }
.b-date { font-size: 13px; color: var(--muted); }
.badge{padding:4px 10px; font-size:11px; font-weight:600; border-radius: 0; border: 1px solid;}
.open{border-color:var(--cyan); color:var(--cyan);}
.closed{border-color:var(--border); color:var(--muted);}

/* CONTACT */
#contact{background:var(--bg2);}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;}
.cinfo { border-top: 2px solid var(--text); padding-top: 24px;}
.ci{display:flex;gap:24px;align-items:flex-start;padding:16px 0; border-bottom: 1px solid var(--border);}
.ci-text h4{font-size:12px;color:var(--text);margin-bottom:4px;font-weight:700;letter-spacing:1px;}
.ci-text p{font-size:15px;font-weight:400;line-height:1.6;color:var(--text2);}
.map-box { width: 100%; height: 350px; border-radius: 0; border: 1px solid var(--border); margin-top: 24px; position: relative;}
#map { width: 100%; height: 100%; }

.cform{background:var(--bg); border:1px solid var(--border); padding:40px;}
.cform h3{font-family:SUIT-Numbers, var(--font-title);font-size:24px;font-weight:800;margin-bottom:8px;color:var(--text);}
.cform .csub{font-size:14px;color:var(--muted);margin-bottom:32px;}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px;}
.fg{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
label{font-size:13px;color:var(--text);font-weight:700;}
input,select,textarea{background:transparent;border:none; border-bottom: 1px solid var(--border); border-radius:0; padding:12px 0; color:var(--text); font-size:15px; outline:none; transition:border .2s; width:100%;}
input:focus,select:focus,textarea:focus{border-color:var(--blue);}
textarea{resize:vertical;min-height:80px;}
.fsub{width:auto; padding:15px 40px; margin-top:16px; background:var(--text); border:none; color:white; font-size:14px; font-weight:700; cursor:pointer; transition:all .2s;}
.fsub:hover{background:var(--blue);}

/* FOOTER */
footer{background:var(--bg3);color:rgba(255,255,255,.6);padding:80px 5% 40px;}
.ft{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:60px; border-bottom: 1px solid var(--border-dark); padding-bottom: 60px;}
.fb img{height:36px;width:auto;margin-bottom:24px;filter:brightness(0) invert(1) opacity(.8);}
.fb p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.5);}
.fl h4{font-size:13px;color:white;letter-spacing:1px;margin-bottom:20px;font-weight:700;}
.fl ul{list-style:none;display:flex;flex-direction:column;gap:12px;}
.fl a{color:rgba(255,255,255,.5);font-size:14px;text-decoration:none;transition:color .2s;}
.fl a:hover{color:white;}
.fb-bot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;}
.fb-bot p{font-size:13px;color:rgba(255,255,255,.4);}

/* 애니메이션 */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(0.165, 0.84, 0.44, 1), transform .8s cubic-bezier(0.165, 0.84, 0.44, 1);}
.fade-up.visible{opacity:1;transform:translateY(0);}

/* 반응형 */
@media(max-width:1024px){
  .hero-grid, #board-section, .contact-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;} 
  .about-text, .ab-cards, .about-info { grid-column: 1 / -1; grid-row: auto; } 
  .svc-grid{grid-template-columns:1fr 1fr;}
  .ft{grid-template-columns:1fr 1fr;}
  .ab-cards{grid-template-columns:1fr 1fr 1fr;} 
}
@media(max-width:768px){
  .nav-links,.nav-cta{display:none;}
  .hamburger{display:flex;}
  section{padding:80px 4%;}
  #board-section { padding: 80px 4%; gap: 60px; }
  .svc-grid,.pf-grid{grid-template-columns:1fr;}
  .frow{grid-template-columns:1fr;}
  .ft{grid-template-columns:1fr;}
  .hero-title {font-size: 32px;}
  .hero-grid{grid-template-columns:1fr;padding:0 4%;}
  .hero-right{grid-template-columns:1fr;}
}
.hero-overlay{display:none !important;}

/* ── Pretendard 기반 Typography ── */
*{word-break:keep-all;}
body{font-family:SUIT-Numbers, 'Pretendard','Noto Sans KR',sans-serif;font-feature-settings:'kern';-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,h5,h6{font-family:SUIT-Numbers, 'Pretendard','Noto Sans KR',sans-serif;letter-spacing:-0.03em;word-break:keep-all;}
.sec-title,.hero-title,.svc-title,.cform h3{font-family:SUIT-Numbers, 'Pretendard','Noto Sans KR',sans-serif;}
p,.sec-desc,.hero-sub,.it p,.ci-text p{font-family:SUIT-Numbers, 'Pretendard','Noto Sans KR',sans-serif;line-height:1.85;}
.hc-num{font-family:SUIT-Numbers, 'Pretendard',sans-serif;font-feature-settings:'tnum';letter-spacing:-0.02em;}
.sec-title{letter-spacing:-0.03em;}
.hero-title{letter-spacing:-0.04em;}


/* ── 모달 팝업 CSS 스타일 스타일 ── */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 99999;
    transition: background 0.3s ease;
}
.popup-overlay.is-open {
    background: rgba(0, 0, 0, 0.6);
}
.popup-content {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -44%);
    opacity: 0;
    background: #fff;
    padding: 15px;
    box-shadow: 0px 8px 32px rgba(0,0,0,0.25);
    border-radius: 4px;
    width: 860px;
    max-width: 95vw;
    height: 720px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transition: transform 0.35s cubic-bezier(0.34, 1.1, 0.64, 1), opacity 0.3s ease;
}
.popup-overlay.is-open .popup-content {
    transform: translate(-50%, -50%);
    opacity: 1;
}
.popup-iframe {
    display: block;
    width: 100%;
    flex: 1;
    min-height: 0;
}
.popup-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid #eee;
    font-size: 13px;
    color: #333;
    flex-shrink: 0;
}
.popup-close-btn {
    background: #333;
    color: #fff;
    border: none;
    padding: 6px 14px;
    cursor: pointer;
    border-radius: 2px;
    font-size: 12px;
    font-weight: 700;
}
.popup-close-btn:hover {
    background: #000;
}

/* ── 모바일 반응형 팝업 ── */
@media (max-width: 768px) {
    .popup-content {
        width: 94vw;
        max-width: 94vw;
        height: 88vh;
        max-height: 88vh;
        padding: 10px;
        top: 50%;
        left: 50%;
    }
    .popup-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .popup-footer label {
        font-size: 12px;
    }
    .popup-close-btn {
        align-self: flex-end;
        padding: 8px 18px;
        font-size: 13px;
    }
}
@media (max-width: 480px) {
    .popup-content {
        width: 96vw;
        max-width: 96vw;
        height: 90vh;
        max-height: 90vh;
        padding: 8px;
        border-radius: 0;
    }
}

/* ==========================================================================
   Source: css/numeric-font.css
   ========================================================================== */
/* SUIT supplies digits only; subsequent families supply all other characters. */
@font-face {
  font-family: SUIT-Numbers;
  src: url('../font/SUIT/SUIT-Variable.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0030-0039;
}
html { font-family: SUIT-Numbers, sans-serif; }
:where(button, input, select, textarea) { font-family: inherit; }

/* ==========================================================================
   Source: css/top-button.css
   ========================================================================== */
/* Shared back-to-top control; kept below navigation and modal overlays. */
#topBtn {
  position: fixed;
  z-index: 900;
  right: max(24px, env(safe-area-inset-right, 0px));
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  display: flex;
  width: 54px;
  height: 54px;
  margin: 0;
  padding: 8px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  background: #173c50;
  color: #fff;
  font-family: inherit;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  box-shadow: 0 5px 18px rgba(15, 42, 82, .18);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s, background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
}
#topBtn.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
#topBtn svg { display: block; flex: none; width: 18px; height: 18px; }
#topBtn:hover { background: #24556b; transform: translateY(-3px); }
#topBtn:focus-visible { outline: 3px solid #7ac7bb; outline-offset: 4px; }
@media (max-width: 768px) {
  #topBtn {
    right: max(16px, env(safe-area-inset-right, 0px));
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    width: 48px;
    height: 48px;
  }
}
@media (prefers-reduced-motion: reduce) {
  #topBtn { transition: none; transform: none; }
}

/* Light button over dark page surfaces. */
#topBtn.is-light {
  background: #f7fafc;
  color: #173c50;
  border-color: rgba(23, 60, 80, .12);
  box-shadow: 0 5px 20px rgba(0, 0, 0, .18);
}
#topBtn.is-light:hover { background: #e6f3f2; }

/* ==========================================================================
   Source: css/pages/index-attributes.css
   ========================================================================== */
/* Static styles extracted from index.html. */
[data-page-style="index-style-1"][data-page-style="index-style-1"][data-page-style="index-style-1"][data-page-style="index-style-1"] { border: none; }
[data-page-style="index-style-2"][data-page-style="index-style-2"][data-page-style="index-style-2"][data-page-style="index-style-2"] { font-weight: 400; cursor: pointer; }
[data-page-style="index-style-3"][data-page-style="index-style-3"][data-page-style="index-style-3"][data-page-style="index-style-3"] { width: auto; padding: 0; display: inline-block; vertical-align: middle; margin-right: 5px; }
[data-page-style="index-style-4"][data-page-style="index-style-4"][data-page-style="index-style-4"][data-page-style="index-style-4"] { transition-delay:.1s }
[data-page-style="index-style-5"][data-page-style="index-style-5"][data-page-style="index-style-5"][data-page-style="index-style-5"] { transition-delay:.2s }
[data-page-style="index-style-6"][data-page-style="index-style-6"][data-page-style="index-style-6"][data-page-style="index-style-6"] { border-bottom:none; }
[data-page-style="index-style-7"][data-page-style="index-style-7"][data-page-style="index-style-7"][data-page-style="index-style-7"] { margin-top:40px; }
[data-page-style="index-style-8"][data-page-style="index-style-8"][data-page-style="index-style-8"][data-page-style="index-style-8"] { font-size:24px; color:var(--text); text-decoration:none; line-height:1; }
[data-page-style="index-style-9"][data-page-style="index-style-9"][data-page-style="index-style-9"][data-page-style="index-style-9"] { cursor:pointer; }
[data-page-style="index-style-10"][data-page-style="index-style-10"][data-page-style="index-style-10"][data-page-style="index-style-10"] { margin-bottom:60px }
[data-page-style="index-style-11"][data-page-style="index-style-11"][data-page-style="index-style-11"][data-page-style="index-style-11"] { display:grid; grid-template-columns:1fr 1fr; }
[data-page-style="index-style-12"][data-page-style="index-style-12"][data-page-style="index-style-12"][data-page-style="index-style-12"] { margin-bottom:0; }
[data-page-style="index-style-13"][data-page-style="index-style-13"][data-page-style="index-style-13"][data-page-style="index-style-13"] { filter:brightness(0) invert(1); }

/* ==========================================================================
   Source: css/site-cursor.css
   ========================================================================== */
/* Shared pointer treatment; touch and keyboard keep their native controls. */
.site-cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2147483647;
  display: none;
  pointer-events: none;
  user-select: none;
  opacity: 0;
  mix-blend-mode: difference;
  transition: opacity 160ms ease;
}
.site-cursor__ring {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  box-sizing: border-box;
  border: 1px solid #fff;
  border-radius: 50%;
  background: rgb(255 255 255 / 5%);
  color: #fff;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  transform: translate(-50%, -50%);
  transition: width 220ms ease, height 220ms ease, background 180ms ease;
}
.site-cursor__label {
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  line-height: 1;
  transition: opacity 120ms ease;
}
.site-cursor--subpage .site-cursor__ring {
  width: 42px;
  height: 42px;
  background: rgb(255 255 255 / 10%);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
.site-cursor.is-small .site-cursor__ring {
  border: 0;
  width: 26px;
  height: 26px;
}
.site-cursor.is-text .site-cursor__ring {
  background: #fff;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.site-cursor.is-small .site-cursor__label {
  opacity: 0;
}
.site-cursor.is-pressed .site-cursor__ring {
  width: 18px;
  height: 18px;
}
@media (hover: hover) and (pointer: fine) and (forced-colors: none) {
  .site-cursor {
    display: block;
  }
  .site-cursor.is-visible {
    opacity: 1;
  }
  html.has-site-cursor,
  html.has-site-cursor * {
    cursor: none !important;
  }
}
@media (prefers-reduced-motion: reduce) {
  .site-cursor,
  .site-cursor * {
    transition: none;
  }
}