/* ============================================================
   DUDRIM 두드림 · Shared site chrome (morn.co.kr-style)
   white base · deep-red point · Pretendard · fixed header
   ============================================================ */

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:var(--sans); color:var(--fg); background:var(--paper);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-x:hidden;
}
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
::selection { background:var(--red); color:#fff; }

body.lang-kr .cn { display:none; }
body.lang-cn .kr { display:none; }

.wrap { width:min(1200px, 92vw); margin-inline:auto; }
.en { font-family:var(--sans); }   /* english label helper */

/* ============ FIXED HEADER (transparent → white on scroll) ============ */
header.nav {
  position:fixed; top:0; left:0; right:0; z-index:60;
  background:transparent; transition:background .3s, box-shadow .3s, border-color .3s;
  border-bottom:1px solid transparent;
}
header.nav .wrap { display:flex; align-items:center; justify-content:space-between; height:80px; }
.brand { display:flex; align-items:center; gap:13px; }
.brand img { height:30px; width:auto; transition:opacity .3s; }
.brand .logo-dark { display:none; }
.brand .est { font-size:10.5px; font-weight:700; letter-spacing:.18em; padding-left:13px; border-left:1px solid currentColor; opacity:.6; color:#fff; }

nav.links { display:flex; align-items:center; gap:38px; }
nav.links > a { font-weight:600; font-size:15.5px; position:relative; padding:28px 0; transition:color .15s; color:#fff; }
nav.links > a::after { content:""; position:absolute; left:0; bottom:24px; height:2px; width:0; background:var(--red); transition:width .2s; }
nav.links > a:hover::after, nav.links > a.active::after { width:100%; }

.head-right { display:flex; align-items:center; gap:18px; }
.head-right .phone { font-weight:700; font-size:14px; letter-spacing:.01em; color:#fff; }
.head-right .phone b { color:var(--red); }

.lang { display:flex; align-items:center; gap:1px; border:1px solid rgba(255,255,255,.4); border-radius:var(--r-pill); padding:3px; }
.lang button { border:0; background:transparent; color:#fff; font-family:var(--sans); font-weight:700; font-size:12px; padding:4px 12px; border-radius:var(--r-pill); cursor:pointer; transition:.15s; }
.lang button.on { background:var(--red); color:#fff; }

/* default (light text) header is for pages WITH a dark hero behind it.
   Pages without a dark hero get .solid immediately. */
header.nav.scrolled, header.nav.solid {
  background:rgba(255,255,255,.96); backdrop-filter:blur(10px);
  border-bottom-color:var(--line); box-shadow:0 1px 0 rgba(17,17,17,.03);
}
header.nav.scrolled .brand .logo-light,
header.nav.solid   .brand .logo-light { display:none; }
header.nav.scrolled .brand .logo-dark,
header.nav.solid   .brand .logo-dark { display:block; }
header.nav.scrolled .brand .est,
header.nav.solid   .brand .est { color:var(--ink-3); border-color:var(--line); }
header.nav.scrolled nav.links > a,
header.nav.solid   nav.links > a { color:var(--ink); }
header.nav.scrolled nav.links > a:hover,
header.nav.solid   nav.links > a:hover { color:var(--red); }
header.nav.scrolled .head-right .phone,
header.nav.solid   .head-right .phone { color:var(--ink); }
header.nav.scrolled .lang, header.nav.solid .lang { border-color:var(--line); }
header.nav.scrolled .lang button, header.nav.solid .lang button { color:var(--ink-3); }
header.nav.scrolled .lang button.on, header.nav.solid .lang button.on { color:#fff; }
header.nav.scrolled .menu-toggle span, header.nav.solid .menu-toggle span { background:var(--ink); }

.menu-toggle { display:none; border:0; background:transparent; cursor:pointer; flex-direction:column; gap:5px; padding:8px; }
.menu-toggle span { width:24px; height:2px; background:#fff; border-radius:2px; transition:.2s; }

/* ============ BUTTONS ============ */
.btn-primary { display:inline-block; background:var(--red); color:#fff; padding:15px 30px; border-radius:var(--r-pill); font-weight:700; font-size:15px; box-shadow:var(--shadow-md); transition:.18s; }
.btn-primary:hover { background:var(--red-deep); transform:translateY(-2px); color:#fff; }
.btn-ghost { display:inline-block; background:transparent; color:var(--ink); padding:15px 28px; border-radius:var(--r-pill); font-weight:700; font-size:15px; border:1.5px solid var(--ink); transition:.18s; }
.btn-ghost:hover { background:var(--ink); color:#fff; }
.btn-white { display:inline-block; background:#fff; color:var(--red); padding:15px 30px; border-radius:var(--r-pill); font-weight:800; font-size:15px; transition:.18s; }
.btn-white:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); }

/* ============ SECTION SCAFFOLD ============ */
section { padding:96px 0; }
.sec-head { max-width:720px; margin-bottom:50px; }
.eyebrow-en { font-weight:800; font-size:14px; letter-spacing:.14em; text-transform:uppercase; color:var(--red); margin-bottom:14px; }
.sec-head .eyebrow-en { color:var(--red); }
.sec-head h2 { font-family:var(--serif); font-weight:800; font-size:clamp(28px,3.4vw,40px); line-height:1.22; letter-spacing:-.01em; color:var(--ink); }
.sec-head p { margin-top:18px; font-size:16.5px; line-height:1.8; color:var(--ink-3); }
.sec-center { text-align:center; margin-inline:auto; }
.sec-center .sec-head { margin-inline:auto; }

/* ============ SUBPAGE HERO (full-width dark/image + big EN title) ============ */
.page-hero { position:relative; min-height:380px; display:flex; align-items:flex-end; overflow:hidden; background:var(--dark-2); padding-top:80px; }
.page-hero .ph-bg { position:absolute; inset:0; }
.page-hero .ph-bg img { width:100%; height:100%; object-fit:cover; }
.page-hero .ph-overlay { position:absolute; inset:0; background:linear-gradient(120deg, rgba(17,17,17,.86) 0%, rgba(17,17,17,.55) 55%, rgba(200,16,46,.42) 100%); }
.page-hero .wrap { position:relative; padding-bottom:52px; color:#fff; }
.page-hero .ph-kicker { display:flex; align-items:center; gap:12px; font-size:14px; font-weight:600; letter-spacing:.02em; margin-bottom:14px; color:rgba(255,255,255,.92); }
.page-hero .ph-kicker::before { content:""; width:30px; height:2px; background:var(--red); }
.page-hero h1 { font-family:var(--serif); font-weight:800; font-size:clamp(44px,6vw,76px); line-height:1.02; letter-spacing:-.02em; }
.page-hero .crumb { position:absolute; top:96px; left:0; font-size:12.5px; font-weight:600; letter-spacing:.04em; color:rgba(255,255,255,.7); }
.page-hero .crumb a:hover { color:#fff; }

/* ---- pill subtabs (sit at bottom of subpage hero or below it) ---- */
.subtabs { background:var(--white); border-bottom:1px solid var(--line); position:sticky; top:80px; z-index:40; }
.subtabs .wrap { display:flex; gap:10px; padding:16px 0; flex-wrap:wrap; }
.subtab { border:1px solid var(--line); background:var(--white); color:var(--ink-3); font-weight:600; font-size:14.5px; padding:10px 22px; border-radius:var(--r-pill); transition:.16s; white-space:nowrap; }
.subtab:hover { border-color:var(--ink-3); color:var(--ink); }
.subtab.active { background:var(--red); border-color:var(--red); color:#fff; }

/* ============ MARQUEE ============ */
.strip { background:var(--dark); color:#EDEDED; padding:18px 0; overflow:hidden; }
.marquee { display:flex; gap:48px; white-space:nowrap; animation:scroll 28s linear infinite; width:max-content; }
.marquee span { font-weight:700; font-size:16px; letter-spacing:.04em; display:flex; align-items:center; gap:48px; }
.marquee span::before { content:"●"; color:var(--red); font-size:9px; }
@keyframes scroll { to { transform:translateX(-50%); } }
@media (prefers-reduced-motion: reduce){ .marquee { animation:none; } }

/* ============ CIRCULAR PAGINATION ============ */
.pager { display:flex; gap:10px; justify-content:center; align-items:center; margin-top:48px; }
.pager button { width:42px; height:42px; border-radius:50%; border:1px solid var(--line); background:var(--white); color:var(--ink-2); font-weight:700; font-size:14px; cursor:pointer; transition:.16s; display:grid; place-items:center; }
.pager button:hover:not(:disabled) { border-color:var(--ink); }
.pager button.on { background:var(--dark); border-color:var(--dark); color:#fff; }
.pager button:disabled { opacity:.35; cursor:default; }

/* ============ FOOTER (charcoal) ============ */
footer { background:var(--dark); color:#9AA0A6; padding:60px 0 40px; font-size:13.5px; }
footer .top { display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; padding-bottom:34px; border-bottom:1px solid rgba(255,255,255,.1); }
footer .logo-wrap img { height:28px; filter:brightness(0) invert(1); opacity:.95; }
footer .co { margin-top:16px; line-height:1.85; max-width:36em; }
footer .co b { color:#E8E8E8; }
footer .fnav { display:flex; gap:52px; }
footer .fnav .col h5 { color:#E8E8E8; font-size:12.5px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; margin-bottom:14px; }
footer .fnav .col a { display:block; margin-bottom:10px; transition:color .15s; }
footer .fnav .col a:hover { color:#fff; }
footer .bottom { padding-top:24px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; color:#6B7176; }

/* ============ SCROLL-TOP BUTTON ============ */
.scroll-top { position:fixed; right:24px; bottom:24px; width:48px; height:48px; border-radius:50%; border:0; background:var(--dark); color:#fff; cursor:pointer; box-shadow:var(--shadow-md); opacity:0; pointer-events:none; transform:translateY(10px); transition:.25s; z-index:55; display:grid; place-items:center; }
.scroll-top.show { opacity:1; pointer-events:auto; transform:translateY(0); }
.scroll-top:hover { background:var(--red); }

/* ============ RESPONSIVE NAV ============ */
@media (max-width:980px){
  nav.links { position:fixed; inset:80px 0 auto 0; flex-direction:column; align-items:flex-start; gap:0; background:#fff; border-bottom:1px solid var(--line); padding:8px 0; box-shadow:var(--shadow-lg); transform:translateY(-12px); opacity:0; pointer-events:none; transition:.2s; }
  nav.links.open { transform:translateY(0); opacity:1; pointer-events:auto; }
  nav.links > a { width:100%; padding:15px 4vw; font-size:17px; color:var(--ink) !important; }
  nav.links > a::after { display:none; }
  .menu-toggle { display:flex; }
  .head-right .phone { display:none; }
  section { padding:64px 0; }
  .subtabs { top:80px; }
}