/* helianthus.kr — 흰 배경, 해바라기 골드 포인트, 톤앤톤 */
:root{
  --ink:#1c1b19; --ink-2:#55534e; --mute:#8a877f; --line:#e9e6df; --paper:#ffffff; --paper-2:#faf8f3;
  --gold:#c9a227; --gold-2:#a8861c; --gold-soft:#f6efd6;
  --serif:"Noto Serif KR","Cormorant Garamond",Georgia,serif; --sans:"Noto Sans KR",system-ui,-apple-system,"Segoe UI",sans-serif; --display:"Cormorant Garamond","Noto Serif KR",serif;
  --max:1120px; --gutter:20px; --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:400;line-height:1.75;font-size:16px;letter-spacing:-.005em}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.3;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,42px)} h2{font-size:clamp(22px,2.6vw,30px)} h3{font-size:19px;font-weight:500}
.wrap{max-width:var(--max);margin:0 auto;padding:56px var(--gutter)}
.muted{color:var(--mute)}
.eyebrow{font-family:var(--display);font-style:italic;font-size:20px;color:var(--gold-2);margin:0 0 10px;letter-spacing:.02em}

/* header */
.top{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px var(--gutter);background:rgba(255,255,255,.88);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-size:24px;font-weight:500;letter-spacing:.02em}
.brand img{border-radius:50%}
.nav{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:8px 12px;border-radius:8px;font-size:14.5px;color:var(--ink-2);white-space:nowrap}
.nav a:hover{background:var(--paper-2);color:var(--ink)}
.nav a.on{color:var(--ink);box-shadow:inset 0 -2px 0 var(--gold)}
.menu-btn{display:none;border:0;background:none;padding:8px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px}
  .nav a{padding:12px 8px;font-size:16px}
  body.nav-open .nav{display:flex}
}

/* hero (home) */
.hero{position:relative;min-height:min(78vh,720px);display:grid;place-items:center;overflow:hidden;background:#0f0e0c;color:#fff}
.hero-media{position:absolute;inset:0;opacity:.55}
.hero-media .video{position:absolute;inset:0;padding:0}
.hero-media iframe{position:absolute;top:50%;left:50%;width:177.78vh;min-width:100%;height:56.25vw;min-height:100%;transform:translate(-50%,-50%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15),rgba(0,0,0,.55))}
.hero-text{position:relative;z-index:2;text-align:center;padding:80px var(--gutter);max-width:820px}
.hero-text .eyebrow{color:#e8cf6a}
.hero-text h1{font-size:clamp(32px,5.4vw,60px);color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.4)}
.hero-text .lead{font-size:clamp(15px,1.6vw,19px);color:rgba(255,255,255,.88);max-width:640px;margin:0 auto 28px;font-weight:300}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;background:var(--gold);color:#1c1b19;font-weight:500;font-size:15px;transition:.2s}
.btn:hover{background:#e0b733}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7)}
.btn.ghost:hover{background:rgba(255,255,255,.12)}

/* video embed */
.video{position:relative;padding-top:56.25%;background:#000;border-radius:var(--radius);overflow:hidden}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.films figure{margin:0}
.films figcaption{margin-top:10px;font-size:14px;color:var(--ink-2)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:820px){.grid3{grid-template-columns:1fr}}

/* licenses */
.lics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
@media (max-width:760px){.lics{grid-template-columns:1fr}}
.lic{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2);padding:0 18px}
.lic summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:16px 0;font-weight:500}
.lic summary::-webkit-details-marker{display:none}
.lic summary::after{content:"+";font-family:var(--display);font-size:22px;color:var(--gold-2);margin-left:auto}
.lic[open] summary::after{content:"–"}
.lic-no{font-size:13px;color:var(--mute);font-weight:400}
.lic p{margin:0 0 18px;color:var(--ink-2);font-size:15px}

/* news list */
.sec-head{display:flex;justify-content:space-between;align-items:baseline}
.sec-head a{color:var(--gold-2);font-size:14px}
.newslist,.postlist{border-top:1px solid var(--line)}
.news,.post-row{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:16px 4px;border-bottom:1px solid var(--line);transition:.15s}
.post-row{grid-template-columns:1fr auto}
.news:hover,.post-row:hover{background:var(--paper-2)}
.news-cat{font-size:12px;color:var(--gold-2);border:1px solid var(--gold);border-radius:999px;padding:2px 10px;white-space:nowrap}
.news-title,.post-title{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news time,.post-row time,.post>time{font-size:13px;color:var(--mute);white-space:nowrap}
@media (max-width:640px){.news{grid-template-columns:1fr auto}.news-cat{display:none}.news-title,.post-title{white-space:normal}}

/* page hero */
.page-hero{position:relative;min-height:46vh;display:grid;place-items:center;background:#0f0e0c;color:#fff;overflow:hidden}
.page-hero .video{position:absolute;inset:0;padding:0;border-radius:0;opacity:.5}
.page-hero.img{background-size:cover;background-position:center}
.page-hero.img::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.6))}
.page-hero-text{position:relative;z-index:2;text-align:center;padding:60px var(--gutter);max-width:760px}
.page-hero-text h1{color:#fff;font-family:var(--display);font-weight:500;font-size:clamp(34px,5vw,56px)}
.page-hero-text p{color:rgba(255,255,255,.85);font-size:17px;font-weight:300}
.page-title{padding:56px var(--gutter) 0;max-width:var(--max);margin:0 auto}
.page-title h1{font-family:var(--display);font-weight:500;font-size:clamp(34px,5vw,52px)}

/* prose */
.prose{max-width:820px}
.prose h2{margin-top:2.2em;padding-top:.6em;position:relative}
.prose h2:first-child{margin-top:0}
.prose h2::before{content:"";display:block;width:28px;height:3px;background:var(--gold);margin-bottom:14px;border-radius:2px}
.prose h3{margin-top:1.6em;color:var(--ink)}
.prose p{margin:0 0 1.1em;color:var(--ink-2)}
.prose strong{color:var(--ink);font-weight:500}
.prose ul,.prose ol{padding-left:1.2em;color:var(--ink-2)}
.prose li{margin:.35em 0}
.prose li strong{color:var(--ink)}
.prose a{color:var(--gold-2);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(201,162,39,.5)}
.prose blockquote{margin:1.4em 0;padding:14px 20px;border-left:3px solid var(--gold);background:var(--gold-soft);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink);font-family:var(--serif)}
.prose img{border-radius:var(--radius);margin:1em 0}
.tbl{overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--paper-2);font-weight:500;white-space:nowrap}
tr:last-child td{border-bottom:0}
.post h1{font-size:clamp(24px,3.4vw,36px)}
.post>time{display:block;margin-bottom:28px}
.postnav{display:flex;justify-content:space-between;gap:16px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);font-size:14px}
.postnav a{color:var(--ink-2)}
.map{margin-top:32px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.map iframe{width:100%;height:380px;border:0;display:block}

/* footer */
.foot{background:var(--paper-2);border-top:1px solid var(--line);margin-top:40px;font-size:13.5px;color:var(--ink-2)}
.foot .wrap{padding:44px var(--gutter) 36px}
.foot-brand{display:flex;gap:14px;align-items:center;margin-bottom:18px;color:var(--ink)}
.foot-brand img{border-radius:50%}
.foot p{margin:0 0 10px}
.foot .links a{color:var(--gold-2)}
.foot .copy{color:var(--mute);margin-top:18px}