/* JK Plastic style demo — KO/TH top page */
:root{
  --color-bg:#ffffff;
  --color-fg:#1a1a1a;
  --color-mute:#666;
  --color-line:#e5e0d8;
  --color-gold:#c1a175;
  --color-gold-deep:#9c7e57;
  --color-cream:#f7f3ec;
  --color-dark:#1c1a17;
  --max:1280px;
  --serif: "Noto Serif KR","Noto Serif Thai", "Noto Serif JP", "Times New Roman", serif;
  --sans:  "Noto Sans KR","Noto Sans Thai","Noto Sans JP", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--color-bg);color:var(--color-fg);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}
a:hover{color:var(--color-gold-deep)}
button{font-family:inherit;cursor:pointer;border:0;background:transparent}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ Header ============ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--color-line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:78px;max-width:var(--max);margin:0 auto;padding:0 24px}
.logo{font-family:var(--serif);font-size:26px;font-weight:700;letter-spacing:.08em;color:var(--color-dark)}
.logo b{color:var(--color-gold-deep)}
.gnb{display:flex;gap:36px}
.gnb a{font-size:15px;font-weight:500;letter-spacing:.04em;color:#222;position:relative;padding:8px 0}
.gnb a::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--color-gold);transition:all .3s;transform:translateX(-50%)}
.gnb a:hover::after{width:100%}
.header__right{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;gap:6px;font-size:12px;letter-spacing:.08em}
.lang-switch a{padding:6px 10px;border:1px solid var(--color-line);border-radius:2px;color:#666}
.lang-switch a.is-active{background:var(--color-dark);color:#fff;border-color:var(--color-dark)}
.btn-consult{padding:10px 22px;background:var(--color-gold);color:#fff;font-size:13px;letter-spacing:.1em;border-radius:2px;font-weight:600}
.btn-consult:hover{background:var(--color-gold-deep);color:#fff}

.btn-burger{display:none;width:32px;height:32px;flex-direction:column;justify-content:center;gap:5px}
.btn-burger span{display:block;height:2px;background:#222;width:24px;margin-left:auto}

/* ============ Hero ============ */
.hero{
  position:relative;height:100vh;min-height:640px;
  background:
    linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,.45) 100%),
    radial-gradient(ellipse at 30% 30%, #d8c8a8 0%, #6e5d44 60%, #1c1a17 100%);
  color:#fff;
  display:flex;align-items:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 70% 50%, rgba(193,161,117,.25) 0%, transparent 40%),
    radial-gradient(circle at 20% 70%, rgba(255,255,255,.08) 0%, transparent 35%);
}
.hero__inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:0 32px;width:100%}
.hero__eyebrow{font-size:12px;letter-spacing:.4em;color:var(--color-gold);text-transform:uppercase;margin-bottom:24px}
.hero h1{font-family:var(--serif);font-weight:300;font-size:clamp(36px,6vw,76px);line-height:1.2;letter-spacing:.02em;margin-bottom:28px}
.hero h1 b{color:var(--color-gold);font-weight:500}
.hero p{font-size:clamp(15px,1.4vw,18px);max-width:560px;line-height:1.9;color:rgba(255,255,255,.85);margin-bottom:40px}
.hero__cta{display:inline-flex;align-items:center;gap:14px;padding:16px 32px;border:1px solid rgba(255,255,255,.6);color:#fff;font-size:13px;letter-spacing:.2em}
.hero__cta:hover{background:#fff;color:var(--color-dark)}
.hero__scroll{position:absolute;left:50%;bottom:36px;transform:translateX(-50%);writing-mode:vertical-rl;font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.7)}
.hero__scroll::after{content:"";display:block;width:1px;height:48px;background:rgba(255,255,255,.5);margin-top:14px}

/* ============ Section base ============ */
.section{padding:120px 0}
.section--gray{background:var(--color-cream)}
.section--dark{background:var(--color-dark);color:#f0eadf}
.section__head{text-align:center;margin-bottom:64px}
.section__eyebrow{font-size:12px;letter-spacing:.35em;color:var(--color-gold-deep);text-transform:uppercase;margin-bottom:14px;font-weight:600}
.section__title{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3.6vw,46px);line-height:1.3;letter-spacing:.02em;margin-bottom:18px}
.section__title b{color:var(--color-gold-deep);font-weight:500}
.section__lead{color:var(--color-mute);font-size:15px;line-height:1.9;max-width:680px;margin:0 auto}
.section--dark .section__title{color:#fff}
.section--dark .section__lead{color:rgba(255,255,255,.7)}

/* ============ Surgery cards ============ */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--color-line);border:1px solid var(--color-line)}
.card{background:#fff;padding:54px 36px;display:flex;flex-direction:column;gap:18px;transition:all .35s;cursor:pointer;position:relative;overflow:hidden}
.card:hover{background:var(--color-cream);transform:translateY(-4px)}
.card__num{font-family:var(--serif);font-size:14px;color:var(--color-gold);letter-spacing:.2em}
.card__icon{width:64px;height:64px;border:1px solid var(--color-gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:24px;color:var(--color-gold-deep);margin-bottom:8px}
.card h3{font-family:var(--serif);font-size:24px;font-weight:500;color:var(--color-dark);letter-spacing:.04em}
.card p{font-size:14px;color:var(--color-mute);line-height:1.85}
.card__more{margin-top:auto;font-size:12px;letter-spacing:.2em;color:var(--color-gold-deep);padding-top:18px;border-top:1px solid var(--color-line);text-transform:uppercase}
.card__more::after{content:" →";transition:margin-left .25s}
.card:hover .card__more::after{margin-left:8px}

/* ============ Why JK ============ */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:48px}
.value{text-align:center;padding:36px 20px;background:#fff;border:1px solid var(--color-line);border-radius:2px}
.value__num{font-family:var(--serif);font-size:42px;color:var(--color-gold);font-weight:300;line-height:1;margin-bottom:18px}
.value h4{font-family:var(--serif);font-size:18px;font-weight:500;margin-bottom:14px;color:var(--color-dark);letter-spacing:.02em}
.value p{font-size:13px;color:var(--color-mute);line-height:1.8}

/* ============ Doctors ============ */
.doctors{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:32px}
.doctor{background:var(--color-cream);padding:48px 28px;text-align:center;border:1px solid var(--color-line);transition:all .35s}
.doctor:hover{background:#fff;box-shadow:0 12px 36px rgba(0,0,0,.06);transform:translateY(-3px)}
.doctor__photo{width:160px;height:160px;border-radius:50%;margin:0 auto 24px;background:linear-gradient(135deg,#d8c8a8 0%,#9c7e57 100%);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:48px;color:#fff;font-weight:300;border:4px solid #fff;box-shadow:0 6px 20px rgba(156,126,87,.25)}
.doctor h4{font-family:var(--serif);font-size:22px;font-weight:500;margin-bottom:6px;color:var(--color-dark)}
.doctor__role{font-size:12px;letter-spacing:.2em;color:var(--color-gold-deep);text-transform:uppercase;margin-bottom:16px}
.doctor__bio{font-size:13px;color:var(--color-mute);line-height:1.85}

/* ============ Before & After ============ */
.ba-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
.ba{position:relative;aspect-ratio:3/4;background:linear-gradient(135deg,#d8c8a8 0%,#9c7e57 50%,#5a4830 100%);overflow:hidden;cursor:pointer;border-radius:2px}
.ba::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg, rgba(0,0,0,.55) 0%, transparent 50%);transition:opacity .3s}
.ba:hover::after{opacity:.3}
.ba__label{position:absolute;left:20px;bottom:18px;color:#fff;z-index:2}
.ba__label span{display:block;font-size:11px;letter-spacing:.2em;color:var(--color-gold);margin-bottom:4px}
.ba__label strong{font-family:var(--serif);font-size:18px;font-weight:500}
.ba__split{position:absolute;left:50%;top:0;bottom:0;width:1px;background:rgba(255,255,255,.5);z-index:2}
.ba__tags{position:absolute;top:18px;left:20px;display:flex;gap:6px;z-index:2}
.ba__tags span{font-size:10px;letter-spacing:.15em;padding:3px 8px;background:rgba(0,0,0,.45);color:#fff;border-radius:1px}

.section__footer{text-align:center;margin-top:56px}
.btn-line{display:inline-flex;align-items:center;gap:14px;padding:16px 40px;border:1px solid var(--color-dark);font-size:13px;letter-spacing:.2em;color:var(--color-dark)}
.btn-line:hover{background:var(--color-dark);color:#fff}
.section--dark .btn-line{border-color:rgba(255,255,255,.6);color:#fff}
.section--dark .btn-line:hover{background:#fff;color:var(--color-dark)}

/* ============ Awards strip ============ */
.awards{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid rgba(255,255,255,.15)}
.award{padding:36px 24px;text-align:center;border-right:1px solid rgba(255,255,255,.15)}
.award:last-child{border-right:0}
.award__year{font-family:var(--serif);font-size:32px;color:var(--color-gold);font-weight:300;margin-bottom:8px}
.award__title{font-size:13px;color:rgba(255,255,255,.85);line-height:1.7;letter-spacing:.02em}

/* ============ CTA banner ============ */
.cta-banner{
  background:
    linear-gradient(135deg, rgba(28,26,23,.78) 0%, rgba(156,126,87,.55) 100%),
    radial-gradient(ellipse at 50% 50%, #5a4830 0%, #1c1a17 80%);
  padding:96px 24px;text-align:center;color:#fff;
}
.cta-banner h2{font-family:var(--serif);font-size:clamp(24px,3vw,40px);font-weight:300;margin-bottom:16px;letter-spacing:.04em}
.cta-banner h2 b{color:var(--color-gold);font-weight:500}
.cta-banner p{color:rgba(255,255,255,.75);font-size:14px;letter-spacing:.05em;margin-bottom:36px}
.cta-banner__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-banner .btn-primary{padding:16px 36px;background:var(--color-gold);color:#fff;font-size:13px;letter-spacing:.2em}
.cta-banner .btn-primary:hover{background:#fff;color:var(--color-dark)}
.cta-banner .btn-ghost{padding:16px 36px;border:1px solid rgba(255,255,255,.6);color:#fff;font-size:13px;letter-spacing:.2em}
.cta-banner .btn-ghost:hover{background:#fff;color:var(--color-dark)}

/* ============ Footer ============ */
.footer{background:#0e0d0b;color:rgba(255,255,255,.6);padding:64px 0 32px;font-size:13px}
.footer__top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand .logo{color:#fff;display:inline-block;margin-bottom:14px}
.footer__brand p{color:rgba(255,255,255,.5);font-size:12px;line-height:1.9;max-width:340px}
.footer__links{display:flex;gap:48px;flex-wrap:wrap}
.footer__col h5{color:#fff;font-size:13px;letter-spacing:.1em;margin-bottom:14px;text-transform:uppercase}
.footer__col ul{list-style:none}
.footer__col li{margin-bottom:8px}
.footer__col a{font-size:12px;color:rgba(255,255,255,.55)}
.footer__col a:hover{color:var(--color-gold)}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;padding-top:24px;font-size:11px;color:rgba(255,255,255,.4);letter-spacing:.04em}
.footer__bottom a{color:rgba(255,255,255,.55)}
.demo-tag{display:inline-block;margin-top:8px;padding:3px 10px;border:1px solid var(--color-gold);color:var(--color-gold);font-size:10px;letter-spacing:.2em;border-radius:2px}

/* ============ Floating buttons ============ */
.float-btn{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:auto;padding:14px 22px;background:var(--color-gold);color:#fff;
  font-size:13px;letter-spacing:.15em;border-radius:60px;
  box-shadow:0 8px 24px rgba(156,126,87,.4);
  transition:all .3s;
}
.float-btn:hover{background:var(--color-gold-deep);color:#fff;transform:translateY(-2px)}

/* ============ Mobile ============ */
@media (max-width: 980px){
  .gnb{display:none}
  .header__right .btn-consult{display:none}
  .btn-burger{display:flex}
  .cards{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(2,1fr)}
  .doctors{grid-template-columns:1fr}
  .ba-grid{grid-template-columns:repeat(2,1fr)}
  .awards{grid-template-columns:repeat(2,1fr)}
  .award{border-bottom:1px solid rgba(255,255,255,.15)}
  .award:nth-child(2){border-right:0}
  .section{padding:80px 0}
  .footer__top{flex-direction:column}
}
@media (max-width: 560px){
  .header__inner{height:60px}
  .logo{font-size:20px}
  .cards{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .ba-grid{grid-template-columns:1fr}
  .awards{grid-template-columns:1fr}
  .award{border-right:0;border-bottom:1px solid rgba(255,255,255,.15)}
  .float-btn{right:16px;bottom:16px;padding:12px 18px;font-size:12px}
  .hero{min-height:560px}
}