/* Shared design system for chi.kzibs.com detail/landing pages
   (collection page + keyword-cluster subpages). Palette/fonts match
   wp-content/themes/bistro-chai/css/style.css for site-wide consistency. */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --color-black:#0a0a0a;--color-dark:#1a1a1a;--color-charcoal:#2a2a2a;
  --color-gray:#888;--color-light-gray:#ccc;--color-cream:#f5f0eb;--color-white:#fff;
  --color-gold:#c9a96e;--color-gold-light:#d4b87a;--color-gold-dark:#a8853d;
  --font-serif:'Noto Serif KR','Georgia',serif;
  --font-sans:'Noto Sans KR','Helvetica Neue',sans-serif;
  --font-display:'Cormorant Garamond','Noto Serif KR',serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--color-dark);background:var(--color-cream);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* Top nav (shared across all detail pages) */
.top-nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(245,240,235,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.08);height:64px}
.top-nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-family:var(--font-display);font-size:16px;font-weight:600;letter-spacing:2px;color:var(--color-dark);text-transform:uppercase}
.nav-logo em{font-style:normal;color:var(--color-gold-dark)}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{font-size:13px;color:var(--color-gray);font-weight:500;white-space:nowrap}
.nav-links a:hover{color:var(--color-gold-dark)}
.nav-links .nav-cta{background:var(--color-gold);color:var(--color-black)!important;padding:9px 18px;border-radius:2px;font-weight:700}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-hamburger span{width:20px;height:2px;background:var(--color-dark)}
@media(max-width:820px){
  .nav-links{position:fixed;top:64px;left:0;right:0;background:rgba(245,240,235,.98);flex-direction:column;align-items:flex-start;padding:20px 24px;gap:16px;transform:translateY(-130%);transition:transform .3s;border-bottom:1px solid rgba(0,0,0,.08)}
  .nav-links.active{transform:translateY(0)}
  .nav-hamburger{display:flex}
}

/* Hero (collection page, full-height style) */
.hero{margin-top:64px;position:relative;min-height:56vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.55),rgba(10,10,10,.75))}
.hero-inner{position:relative;z-index:2;max-width:720px;padding:100px 24px;color:var(--color-white)}

/* Hero (subpage, shorter banner style) */
.hero-sub{margin-top:64px;position:relative;height:46vh;min-height:340px;max-height:520px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-sub-bg{position:absolute;inset:0}
.hero-sub-bg img{width:100%;height:100%;object-fit:cover}
.hero-sub-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.45) 0%,rgba(10,10,10,.35) 40%,rgba(10,10,10,.72) 100%)}
.hero-sub-content{position:relative;z-index:2;text-align:center;padding:0 24px;color:#fff}

.hero-eyebrow{font-size:12px;letter-spacing:4px;color:var(--color-gold-light);font-weight:500;text-transform:uppercase;margin-bottom:20px}
.hero-eyebrow::before,.hero-eyebrow::after{content:'';display:inline-block;width:28px;height:1px;background:var(--color-gold-light);vertical-align:middle;margin:0 14px}
.hero h1,.hero-sub h1{font-family:var(--font-serif);font-size:clamp(26px,5vw,42px);font-weight:600;line-height:1.4;letter-spacing:-.5px;margin-bottom:16px}
.hero p,.hero-sub p{font-size:clamp(14px,3vw,15px);color:var(--color-light-gray);line-height:1.9;max-width:540px;margin:0 auto}

.breadcrumb{padding:18px 0;font-size:13px;color:var(--color-gray)}
.breadcrumb a{color:var(--color-gold-dark)}
.breadcrumb span{margin:0 8px;opacity:.5}

/* Sections */
.section{padding:80px 24px 96px}
.section-inner{max-width:1200px;margin:0 auto}
.section-alt{background:var(--color-white)}
.section-head{text-align:center;margin-bottom:52px}
.section-head .label{display:block;font-size:11px;letter-spacing:3px;color:var(--color-gold-dark);font-weight:600;text-transform:uppercase;margin-bottom:14px}
.section-head h2{font-family:var(--font-serif);font-size:clamp(22px,4vw,30px);font-weight:600;letter-spacing:-.5px;color:var(--color-dark)}
.section-head .divider{width:36px;height:1px;background:var(--color-gold);margin:18px auto 0}

.content-block{max-width:760px;margin:0 auto}
.content-block h2{font-family:var(--font-serif);font-size:24px;color:var(--color-dark);margin-bottom:18px;font-weight:600}
.content-block h3{font-family:var(--font-serif);font-size:19px;color:var(--color-gold-dark);margin:30px 0 14px;font-weight:600}
.content-block p{color:#4a4a4a;font-size:15px;margin-bottom:14px;line-height:1.9}
.content-block ul{color:#4a4a4a;font-size:15px;margin:0 0 16px 20px;line-height:2.1}

.img-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:32px 0}
.img-row img{border-radius:2px;width:100%;aspect-ratio:4/3;object-fit:cover}
@media(max-width:700px){.img-row{grid-template-columns:1fr}}

/* Keyword-collection grid (collection page cards) */
.kw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:28px}
.kw-card{display:block}
.kw-card-img{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--color-charcoal);border-radius:2px}
.kw-card-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s ease}
.kw-card:hover .kw-card-img img{transform:scale(1.06)}
.kw-card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,10,10,.5) 100%)}
.kw-card-num{position:absolute;top:16px;left:18px;z-index:2;font-family:var(--font-display);font-size:13px;color:#fff;letter-spacing:2px;font-weight:600;opacity:.9}
.kw-card-body{padding:16px 2px 0}
.kw-card-body h3{font-size:15px;font-weight:700;color:var(--color-dark);letter-spacing:-.2px;margin-bottom:6px}
.kw-card-body p{font-size:13px;color:var(--color-gray);line-height:1.6}
@media(min-width:768px){.kw-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
@media(min-width:1100px){.kw-grid{grid-template-columns:repeat(4,1fr);gap:36px}}

/* Feature / room card grid (subpages, 4:3) */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature-card{background:var(--color-white);border-radius:2px;overflow:hidden;border:1px solid rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(0,0,0,.1)}
.feature-card-img{overflow:hidden;aspect-ratio:4/3}
.feature-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.feature-card:hover .feature-card-img img{transform:scale(1.08)}
.feature-card-body{padding:22px}
.feature-card-body h3{font-family:var(--font-serif);font-size:17px;color:var(--color-dark);margin-bottom:8px;font-weight:600}
.feature-card-body p{color:var(--color-gray);font-size:13.5px;line-height:1.7}
@media(max-width:820px){.feature-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}}

.cta-box{background:var(--color-dark);border-radius:2px;padding:44px 32px;text-align:center;margin:44px 0 8px}
.cta-box h3{font-family:var(--font-serif);color:var(--color-gold-light);font-size:20px;margin-bottom:10px;font-weight:600}
.cta-box p{color:#a8a29a;font-size:14px;margin-bottom:24px}
.cta-box .cta-btns{display:inline-flex;gap:14px;flex-wrap:wrap;justify-content:center}

/* CTA (collection-page dark band) */
.cta{background:var(--color-black);text-align:center;padding:90px 24px}
.cta-eyebrow{font-size:11px;letter-spacing:3px;color:var(--color-gold);font-weight:600;text-transform:uppercase;margin-bottom:16px}
.cta h2{font-family:var(--font-serif);font-size:clamp(22px,4vw,30px);color:var(--color-cream);font-weight:600;margin-bottom:12px;letter-spacing:-.5px}
.cta p{color:#a89880;font-size:14px;margin-bottom:36px}
.cta-btns{display:inline-flex;gap:14px;flex-wrap:wrap;justify-content:center}

.btn{display:inline-flex;align-items:center;justify-content:center;min-width:170px;padding:15px 30px;font-size:14px;font-weight:600;letter-spacing:.3px;border-radius:2px;transition:all .3s;border:1px solid transparent}
.btn-naver{background:#03c75a;color:#fff}
.btn-naver:hover{background:#02a849;transform:translateY(-1px)}
.btn-phone{background:transparent;color:var(--color-cream);border-color:var(--color-gold-dark)}
.btn-phone:hover{background:var(--color-gold);color:var(--color-black);border-color:var(--color-gold)}

/* Footer */
.footer{background:var(--color-black);color:#7a6a50;padding:50px 24px 60px;text-align:center;font-size:12px;line-height:1.95;border-top:1px solid #2a2015}
.footer a{color:#a89880}
.footer-links{margin-bottom:24px;font-size:12px;letter-spacing:.5px}
.footer-links a{margin:0 10px;color:#9a8a70;font-weight:500;display:inline-block}
.footer-links a:hover{color:var(--color-cream)}
.footer-meta{font-size:11px;color:#6a5a40;letter-spacing:.3px}
.footer-copy{margin-top:18px;font-size:10px;color:#4a3a25;letter-spacing:1px}

/* Sticky mobile CTA bar (subpages) */
.bottom-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:999;background:rgba(10,10,10,.97);backdrop-filter:blur(10px);border-top:1px solid rgba(201,169,110,.25);padding:10px 16px;gap:10px}
.bottom-cta a{flex:1;text-align:center;padding:13px;border-radius:2px;font-weight:700;font-size:14px}
.bottom-cta .cta-phone{background:var(--color-charcoal);color:var(--color-gold-light);border:1px solid rgba(201,169,110,.3)}
.bottom-cta .cta-naver{background:#03c75a;color:#fff}
@media(max-width:820px){.bottom-cta{display:flex}.footer{padding-bottom:92px}}

@media(min-width:768px){.section{padding:100px 40px 120px}}

/* FAQ section (keyword pages) */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(0,0,0,.08);padding:20px 0}
.faq-item:first-child{border-top:1px solid rgba(0,0,0,.08)}
.faq-q{font-weight:700;color:var(--color-dark);font-size:15px;margin-bottom:8px;display:flex;gap:10px}
.faq-q::before{content:'Q';color:var(--color-gold-dark);font-family:var(--font-serif);font-weight:700}
.faq-a{color:#4a4a4a;font-size:14px;line-height:1.8;display:flex;gap:10px}
.faq-a::before{content:'A';color:var(--color-gray);font-family:var(--font-serif);font-weight:700}

/* Single wide contextual image (keyword pages, replaces 2-up img-row) */
.img-single{margin:32px 0}
.img-single img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:2px}