/* ==========================================================================
   KOREA VIBE — brand stylesheet
   Palette: ink (near-black, warm) / celadon (jade-green) / paper (warm off-white)
   / dancheong red (rare accent). Display: Fraunces + Noto Serif KR.
   Body: Inter + Noto Sans KR.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Inter:wght@400;500;600;700&family=Noto+Serif+KR:wght@400;500;600&family=Noto+Sans+KR:wght@400;500;600;700&display=swap');

:root{
  --ink:#14181a;
  --ink-soft:#232b28;
  --ink-line:rgba(247,245,238,0.14);
  --celadon:#7a9c8c;
  --celadon-deep:#5c8271;
  --celadon-tint:#e4ebe6;
  --paper:#f7f5ee;
  --paper-dim:#efece1;
  --paper-line:rgba(20,24,26,0.1);
  --red:#a8402f;
  --ink-70: rgba(20,24,26,0.7);
  --ink-55: rgba(20,24,26,0.55);
  --paper-70: rgba(247,245,238,0.72);
  --paper-55: rgba(247,245,238,0.56);
  --radius: 2px;
  --maxw: 1180px;
  --serif: 'Fraunces', 'Noto Serif KR', Georgia, serif;
  --sans: 'Inter', 'Noto Sans KR', -apple-system, sans-serif;
}

html[lang="ko"]{
  --serif: 'Noto Serif KR', 'Fraunces', Georgia, serif;
  --sans: 'Noto Sans KR', 'Inter', -apple-system, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
@media (max-width:640px){ .wrap{ padding:0 20px; } }

.eyebrow{
  font-family:var(--sans);
  font-size:12px;
  font-weight:600;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--celadon-deep);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background:var(--celadon-deep);
  display:inline-block;
}
.on-ink .eyebrow{ color:var(--celadon); }
.on-ink .eyebrow::before{ background:var(--celadon); }

h1,h2,h3{ font-family:var(--serif); font-weight:500; letter-spacing:-0.01em; }

.section-title{
  font-size:clamp(28px,4vw,44px);
  line-height:1.12;
  margin-top:14px;
  max-width:14ch;
}
.section-lede{
  font-size:17px;
  line-height:1.7;
  color:var(--ink-70);
  max-width:56ch;
  margin-top:18px;
}
.on-ink .section-lede{ color:var(--paper-70); }

/* ---------- reveal-on-scroll ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .8s ease, transform .8s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- header / nav ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:20px 0;
  transition:background .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(247,245,238,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:14px 0;
  border-color:var(--paper-line);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; gap:24px; }

.brand{ display:flex; align-items:center; gap:10px; font-family:var(--serif); font-size:19px; letter-spacing:0.02em; color:var(--paper); }
.site-header.scrolled .brand{ color:var(--ink); }
.brand .mark{ width:26px; height:26px; flex:none; }
.brand .mark svg{ width:100%; height:100%; display:block; }
.brand .ko{ font-family:var(--sans); font-size:11px; letter-spacing:0.14em; color:var(--celadon); margin-left:2px; text-transform:uppercase; }

.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav a{
  font-size:13.5px; font-weight:500; color:var(--paper-70);
  letter-spacing:0.01em;
  padding:4px 0; border-bottom:1px solid transparent;
  transition:color .25s ease, border-color .25s ease;
}
.site-header.scrolled .main-nav a{ color:var(--ink-70); }
.main-nav a:hover, .main-nav a:focus-visible{ color:var(--paper); border-color:var(--celadon); }
.site-header.scrolled .main-nav a:hover, .site-header.scrolled .main-nav a:focus-visible{ color:var(--ink); }

.lang-switch{ display:flex; align-items:center; gap:2px; border:1px solid var(--ink-line); border-radius:20px; padding:3px; }
.site-header.scrolled .lang-switch{ border-color:var(--paper-line); }
.lang-switch a{
  font-size:11.5px; font-weight:600; letter-spacing:0.05em;
  color:var(--paper-55); padding:6px 11px; border-radius:16px;
  transition:background .25s ease, color .25s ease;
}
.site-header.scrolled .lang-switch a{ color:var(--ink-55); }
.lang-switch a.active{ background:var(--celadon); color:var(--ink); }
.lang-switch a:not(.active):hover{ color:var(--paper); }
.site-header.scrolled .lang-switch a:not(.active):hover{ color:var(--ink); }

.nav-cta{
  font-size:13px; font-weight:600; color:var(--ink) !important;
  background:var(--celadon); padding:10px 18px; border-radius:20px;
  white-space:nowrap;
  transition:background .25s ease, transform .25s ease;
}
.nav-cta:hover{ background:var(--celadon-deep); color:var(--paper) !important; transform:translateY(-1px); }

.burger{
  display:none; width:38px; height:38px; border:none; background:none;
  position:relative; z-index:200;
}
.burger span{
  position:absolute; left:9px; right:9px; height:1.5px; background:var(--paper);
  transition:transform .3s ease, opacity .3s ease, background .3s ease;
}
.site-header.scrolled .burger span{ background:var(--ink); }
.burger span:nth-child(1){ top:14px; }
.burger span:nth-child(2){ top:19px; }
.burger span:nth-child(3){ top:24px; }
.nav-open .burger span:nth-child(1){ transform:translateY(5px) rotate(45deg); }
.nav-open .burger span:nth-child(2){ opacity:0; }
.nav-open .burger span:nth-child(3){ transform:translateY(-5px) rotate(-45deg); }
.nav-open .burger span{ background:var(--paper) !important; }

@media (max-width:900px){
  .main-nav{
    position:fixed; inset:0; z-index:150;
    background:var(--ink);
    flex-direction:column; justify-content:center; align-items:flex-start;
    gap:22px; padding:80px 40px;
    transform:translateX(100%); transition:transform .4s ease;
  }
  .nav-open .main-nav{ transform:translateX(0); }
  .main-nav a{ font-family:var(--serif); font-size:28px; color:var(--paper); }
  .main-nav .lang-switch, .main-nav .nav-cta{ margin-top:8px; }
  .burger{ display:block; }
}

/* ---------- hero ---------- */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:flex-end;
  color:var(--paper); overflow:hidden; background:var(--ink);
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; object-position:center 40%; filter:saturate(0.82) contrast(1.05); }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(20,24,26,0.55) 0%, rgba(20,24,26,0.35) 32%, rgba(20,24,26,0.72) 78%, rgba(20,24,26,0.94) 100%),
    linear-gradient(90deg, rgba(20,24,26,0.55) 0%, rgba(20,24,26,0.1) 45%, rgba(20,24,26,0.1) 55%, rgba(20,24,26,0.55) 100%);
}
.hero-grain{ position:absolute; inset:0; z-index:1; opacity:0.05; pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-jar{ position:absolute; right:-6%; top:8%; width:min(46vw,560px); opacity:0.16; z-index:1; pointer-events:none; }
.hero-jar svg{ width:100%; height:auto; }
.hero-inner{ position:relative; z-index:2; width:100%; padding-bottom:min(9vh,80px); }
.hero-top{ position:absolute; top:120px; left:0; right:0; z-index:2; }
@media (max-width:900px){ .hero-top{ top:96px; } }

.hero-title{
  font-size:clamp(46px,9vw,108px);
  line-height:0.96; letter-spacing:-0.015em; margin-top:22px;
  max-width:16ch;
}
.hero-title em{ font-style:italic; color:var(--celadon); }
.hero-sub{
  font-size:clamp(16px,1.6vw,19px); line-height:1.65; color:var(--paper-70);
  max-width:46ch; margin-top:24px;
}
.hero-pillars{ display:flex; flex-wrap:wrap; gap:10px; margin-top:34px; }
.hero-pillars span{
  font-size:12px; font-weight:600; letter-spacing:0.05em;
  border:1px solid var(--ink-line); border-radius:20px; padding:8px 15px;
  color:var(--paper-70);
}
.hero-bottom-row{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-top:52px; flex-wrap:wrap; }
.hero-cta{
  display:inline-flex; align-items:center; gap:10px;
  background:var(--paper); color:var(--ink); font-weight:600; font-size:14.5px;
  padding:15px 26px; border-radius:28px;
  transition:background .25s ease, transform .25s ease;
}
.hero-cta:hover{ background:var(--celadon); transform:translateY(-1px); }
.hero-meta{ font-size:12.5px; color:var(--paper-55); letter-spacing:0.03em; max-width:30ch; text-align:right; }
@media (max-width:640px){ .hero-meta{ text-align:left; } }

/* ---------- generic sections ---------- */
.section{ padding:112px 0; position:relative; }
@media (max-width:640px){ .section{ padding:76px 0; } }
.section.on-ink{ background:var(--ink); color:var(--paper); }
.section.on-paper{ background:var(--paper); }
.section.on-dim{ background:var(--paper-dim); }

.head-row{ display:flex; justify-content:space-between; align-items:flex-end; gap:40px; flex-wrap:wrap; }
.head-row .section-lede{ margin-top:0; padding-bottom:2px; max-width:40ch; }

/* stat strip */
.stats-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; margin-top:64px; background:var(--ink-line); border-top:1px solid var(--ink-line); border-bottom:1px solid var(--ink-line); }
.on-paper .stats-row, .on-dim .stats-row{ background:var(--paper-line); border-color:var(--paper-line); }
.stat{ background:var(--ink); padding:34px 8px 0; }
.on-paper .stat, .on-dim .stat{ background:var(--paper); }
.on-dim .stat{ background:var(--paper-dim); }
.stat .num{ font-family:var(--serif); font-size:clamp(30px,4vw,46px); color:var(--celadon); }
.stat .lbl{ font-size:12.5px; color:var(--paper-55); margin-top:6px; max-width:20ch; }
.on-paper .stat .lbl, .on-dim .stat .lbl{ color:var(--ink-55); }
@media (max-width:640px){ .stats-row{ grid-template-columns:1fr; } }

/* about media */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; margin-top:60px; }
.about-media{ position:relative; }
.about-media img{ width:100%; aspect-ratio:4/3.1; object-fit:cover; filter:saturate(0.9); }
.about-media .frame-mark{ position:absolute; bottom:-18px; left:-18px; width:64px; height:64px; }
.about-body ul{ margin-top:26px; display:flex; flex-direction:column; gap:14px; }
.about-body li{ display:flex; gap:12px; font-size:15px; color:var(--paper-85,var(--paper-70)); line-height:1.55; }
.about-body li::before{ content:""; width:5px; height:5px; border-radius:50%; background:var(--celadon); margin-top:9px; flex:none; }
@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; gap:40px; } }

/* card grids */
.grid{ display:grid; gap:1px; margin-top:56px; background:var(--paper-line); border:1px solid var(--paper-line); }
.on-ink .grid{ background:var(--ink-line); border-color:var(--ink-line); }
.grid.cols-2{ grid-template-columns:repeat(2,1fr); }
.grid.cols-3{ grid-template-columns:repeat(3,1fr); }
.grid.cols-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:900px){ .grid.cols-3, .grid.cols-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid.cols-2, .grid.cols-3, .grid.cols-4{ grid-template-columns:1fr; } }

.card{ background:var(--paper); padding:36px 30px; display:flex; flex-direction:column; }
.on-ink .card{ background:var(--ink); }
.on-dim .card{ background:var(--paper-dim); }
.card .card-num{ font-family:var(--serif); font-style:italic; font-size:14px; color:var(--celadon-deep); }
.on-ink .card .card-num{ color:var(--celadon); }
.card h3{ font-size:20px; margin-top:16px; line-height:1.25; }
.card p{ font-size:14.5px; color:var(--ink-70); line-height:1.6; margin-top:12px; }
.on-ink .card p{ color:var(--paper-70); }
.card .tag{ margin-top:auto; padding-top:18px; font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--celadon-deep); font-weight:600; }
.on-ink .card .tag{ color:var(--celadon); }

/* image-backed feature panel */
.panel{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:0; margin-top:60px; border:1px solid var(--paper-line); }
.on-ink .panel{ border-color:var(--ink-line); }
.panel.rev{ grid-template-columns:1.1fr 0.9fr; }
.panel-media{ position:relative; min-height:340px; }
.panel-media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:saturate(0.9); }
.panel-caption{ position:absolute; left:20px; bottom:18px; background:rgba(20,24,26,0.62); backdrop-filter:blur(6px); color:var(--paper); font-size:11.5px; letter-spacing:0.03em; padding:8px 13px; border-radius:20px; }
.panel-body{ padding:48px 44px; background:var(--paper); }
.on-ink .panel-body{ background:var(--ink); }
.panel-body h3{ font-size:clamp(22px,2.6vw,30px); }
.panel-body p{ font-size:15px; color:var(--ink-70); margin-top:14px; line-height:1.65; max-width:44ch; }
.on-ink .panel-body p{ color:var(--paper-70); }
.panel-body ul{ margin-top:24px; display:flex; flex-direction:column; gap:12px; }
.panel-body li{ display:flex; gap:12px; font-size:14.5px; line-height:1.5; }
.panel-body li::before{ content:""; width:5px; height:5px; border-radius:50%; background:var(--celadon); margin-top:8px; flex:none; }
@media (max-width:900px){
  .panel, .panel.rev{ grid-template-columns:1fr; }
  .panel-media{ min-height:240px; }
  .panel-body{ padding:36px 26px; }
}

/* regions list */
.regions{ margin-top:56px; display:grid; grid-template-columns:1fr 1fr; gap:0 60px; }
.regions li{ padding:18px 0; border-bottom:1px solid var(--paper-line); display:flex; justify-content:space-between; gap:20px; font-size:15.5px; }
.on-ink .regions li{ border-color:var(--ink-line); }
.regions li span:last-child{ color:var(--ink-55); font-size:13.5px; text-align:right; }
.on-ink .regions li span:last-child{ color:var(--paper-55); }
@media (max-width:700px){ .regions{ grid-template-columns:1fr; } }

/* process steps */
.process{ margin-top:60px; display:flex; flex-direction:column; }
.pstep{ display:grid; grid-template-columns:70px 1fr; gap:24px; padding:26px 0; border-top:1px solid var(--ink-line); }
.pstep:last-child{ border-bottom:1px solid var(--ink-line); }
.pstep .pnum{ font-family:var(--serif); font-style:italic; font-size:26px; color:var(--celadon); }
.pstep h4{ font-family:var(--sans); font-weight:600; font-size:16px; }
.pstep p{ font-size:14px; color:var(--paper-55); margin-top:6px; max-width:52ch; }

/* pricing table */
.price-table{ width:100%; border-collapse:collapse; margin-top:56px; font-size:14.5px; }
.price-table th{ text-align:left; font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-55); font-weight:600; padding:0 0 14px; border-bottom:1px solid var(--paper-line); }
.price-table td{ padding:20px 0; border-bottom:1px solid var(--paper-line); vertical-align:top; }
.price-table td:first-child{ font-weight:600; font-family:var(--serif); font-size:16.5px; padding-right:20px; }
.price-table td:nth-child(2){ color:var(--celadon-deep); font-weight:600; white-space:nowrap; padding-right:20px; }
.price-table td:last-child{ color:var(--ink-55); }
@media (max-width:700px){
  .price-table thead{ display:none; }
  .price-table, .price-table tbody, .price-table tr, .price-table td{ display:block; width:100%; }
  .price-table tr{ padding:18px 0; border-bottom:1px solid var(--paper-line); }
  .price-table td{ border:none; padding:3px 0; }
}

/* partnership cards already use .grid .card */

/* contact */
.contact-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:70px; margin-top:60px; }
.contact-people{ display:flex; flex-direction:column; gap:0; margin-top:8px; }
.person{ display:flex; justify-content:space-between; align-items:baseline; padding:20px 0; border-top:1px solid var(--ink-line); gap:16px; }
.contact-people .person:last-of-type{ border-bottom:1px solid var(--ink-line); }
.person .name{ font-family:var(--serif); font-size:19px; }
.person .num{ color:var(--celadon); font-size:15px; font-weight:500; letter-spacing:0.01em; }
.contact-lines{ margin-top:26px; display:flex; flex-direction:column; gap:10px; font-size:15px; color:var(--paper-70); }
.contact-lines a:hover{ color:var(--celadon); }
.contact-note{ margin-top:22px; font-size:12.5px; color:var(--paper-55); max-width:40ch; }
.contact-card{ background:var(--ink-soft); padding:40px 34px; border:1px solid var(--ink-line); }
.contact-card h3{ font-size:20px; }
.contact-card p{ font-size:14px; color:var(--paper-55); margin-top:10px; line-height:1.6; }
.contact-form{ margin-top:24px; display:flex; flex-direction:column; gap:12px; }
.contact-form input, .contact-form textarea{
  background:transparent; border:1px solid var(--ink-line); color:var(--paper);
  padding:12px 14px; font-family:var(--sans); font-size:14px; border-radius:2px; width:100%;
}
.contact-form input::placeholder, .contact-form textarea::placeholder{ color:var(--paper-55); }
.contact-form button{
  margin-top:6px; background:var(--celadon); color:var(--ink); border:none; font-weight:600;
  font-size:14px; padding:13px 20px; border-radius:24px; transition:background .25s ease;
}
.contact-form button:hover{ background:var(--paper); }
.form-status{ font-size:13px; margin-top:4px; min-height:16px; }
.form-status.ok{ color:var(--celadon); }
.form-status.err{ color:#e08a7d; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; gap:48px; } }

/* quote band */
.quote-band{ position:relative; min-height:340px; display:flex; align-items:center; justify-content:center; text-align:center; overflow:hidden; }
.quote-band img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:saturate(0.85); }
.quote-band::after{ content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(20,24,26,0.62), rgba(20,24,26,0.72)); }
.quote-band .qb-inner{ position:relative; z-index:1; padding:0 24px; }
.quote-band .qb-kr{ font-family:var(--serif); font-size:14px; letter-spacing:0.08em; color:var(--celadon); }
.quote-band blockquote{ font-family:var(--serif); font-style:italic; font-size:clamp(24px,3.6vw,38px); color:var(--paper); max-width:18ch; margin:16px auto 0; line-height:1.3; }

/* footer */
.site-footer{ background:var(--ink); color:var(--paper-55); padding:44px 0; border-top:1px solid var(--ink-line); }
.site-footer .wrap{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; font-size:12.5px; }
.site-footer .fbrand{ color:var(--paper); font-family:var(--serif); font-size:16px; }
.foot-links{ display:flex; gap:18px; }
.foot-links a:hover{ color:var(--paper); }

/* buttons focus visibility */
a:focus-visible, button:focus-visible{ outline:2px solid var(--celadon); outline-offset:2px; }

/* small helper */
.mono-tag{ font-size:12px; letter-spacing:0.04em; color:var(--celadon-deep); }
.on-ink .mono-tag{ color:var(--celadon); }