/* ===== 준오 스마일 치과 — Seoul Blanc–inspired Style ===== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Noto+Sans+KR:wght@300;400;500;600;700;800;900&display=swap');

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans KR','Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#111;background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{border:none;background:none;cursor:pointer;font:inherit}

/* --- Utility --- */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-padding{padding:120px 0}
.serif{font-family:'Playfair Display',Georgia,'Times New Roman',serif}
.sub-text{color:#888;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.section-title{font-size:40px;font-weight:300;line-height:1.3;margin-bottom:20px;letter-spacing:-.02em}
.section-title em{font-family:'Playfair Display',Georgia,serif;font-style:italic;font-weight:400}
.section-desc{color:#666;font-size:16px;line-height:1.8;max-width:560px}
.text-center{text-align:center}
.text-center .section-desc{margin:0 auto}

/* --- Navigation --- */
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:background .3s,box-shadow .3s}
.nav.scrolled{background:rgba(255,255,255,.97);box-shadow:0 1px 0 rgba(0,0,0,.06)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:20px;font-weight:600;letter-spacing:-.02em;color:#111}
.logo span{font-weight:300;color:#888;margin-left:4px}
.nav-links{display:flex;gap:36px}
.nav-links a{font-size:14px;color:#555;letter-spacing:.02em;transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:#111}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:#111;transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{font-size:13px;padding:8px 20px;border:1px solid #111;color:#111;transition:all .2s;letter-spacing:.02em}
.nav-cta:hover{background:#111;color:#fff}

/* Hamburger */
.hamburger{display:none;width:24px;height:18px;position:relative;flex-direction:column;justify-content:space-between}
.hamburger span{display:block;width:100%;height:1px;background:#111;transition:all .3s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}

/* Mobile menu */
.mobile-menu{position:fixed;top:72px;left:0;width:100%;background:#fff;padding:40px 24px;transform:translateY(-110%);transition:transform .3s;z-index:999;border-bottom:1px solid #eee}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{display:block;font-size:16px;padding:14px 0;color:#333;border-bottom:1px solid #f0f0f0}

/* --- Hero Slider --- */
.hero{position:relative;height:100vh;min-height:600px;overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.15),rgba(0,0,0,.35))}
.hero-content{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:0 24px}
.hero-badge{font-size:13px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:20px;opacity:.85}
.hero-title{font-family:'Playfair Display',Georgia,serif;font-size:52px;font-weight:400;line-height:1.25;margin-bottom:20px;letter-spacing:-.01em}
.hero-subtitle{font-size:17px;font-weight:300;opacity:.9;line-height:1.7;max-width:480px}
.hero-dots{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:background .3s}
.hero-dot.active{background:#fff}
.hero-scroll{position:absolute;bottom:80px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.7);font-size:11px;letter-spacing:.15em}
.hero-scroll-line{width:1px;height:40px;background:rgba(255,255,255,.4);animation:scrollPulse 2s infinite}
@keyframes scrollPulse{0%,100%{opacity:.4}50%{opacity:1}}

/* --- About / Intro --- */
.about{background:#fafafa}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-image{position:relative;overflow:hidden}
.about-image img{width:100%;height:500px;object-fit:cover}
.about-stats{display:flex;gap:40px;margin-top:40px;padding-top:40px;border-top:1px solid #e5e5e5}
.about-stat{text-align:center}
.about-stat .num{font-family:'Playfair Display',Georgia,serif;font-size:40px;font-weight:400;color:#111}
.about-stat .label{font-size:13px;color:#888;margin-top:4px}

/* --- Doctors --- */
.doctors-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:60px}
.doctor-card{text-align:center}
.doctor-photo{width:100%;aspect-ratio:3/4;overflow:hidden;margin-bottom:24px;background:#f5f5f5}
.doctor-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(20%);transition:filter .4s}
.doctor-card:hover .doctor-photo img{filter:grayscale(0)}
.doctor-name{font-size:22px;font-weight:500;margin-bottom:4px}
.doctor-role{font-size:14px;color:#888;margin-bottom:16px}
.doctor-career{text-align:left;padding:0 12px}
.doctor-career li{font-size:13px;color:#666;padding:4px 0;position:relative;padding-left:12px}
.doctor-career li::before{content:'·';position:absolute;left:0;color:#bbb}

/* --- Treatments --- */
.treatments{background:#fafafa}
.treatments-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:60px}
.treatment-card{position:relative;overflow:hidden;background:#fff;cursor:pointer;transition:transform .3s}
.treatment-card:hover{transform:translateY(-4px)}
.treatment-thumb{width:100%;aspect-ratio:4/3;overflow:hidden}
.treatment-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.treatment-card:hover .treatment-thumb img{transform:scale(1.05)}
.treatment-info{padding:24px 20px}
.treatment-info h3{font-size:17px;font-weight:500;margin-bottom:6px}
.treatment-info p{font-size:13px;color:#888;line-height:1.6}
.treatment-more{display:inline-block;margin-top:12px;font-size:12px;color:#111;letter-spacing:.05em;border-bottom:1px solid #111;padding-bottom:2px}

/* --- Equipment --- */
.equipment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:60px}
.equipment-item{text-align:center}
.equipment-item img{width:100%;aspect-ratio:1;object-fit:cover;background:#f5f5f5;margin-bottom:16px}
.equipment-item h4{font-size:15px;font-weight:500;margin-bottom:4px}
.equipment-item p{font-size:13px;color:#888}

/* --- Cases Before/After --- */
.cases{background:#fafafa}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px}
.case-card{overflow:hidden;background:#fff}
.case-images{display:grid;grid-template-columns:1fr 1fr;position:relative}
.case-images img{width:100%;aspect-ratio:4/3;object-fit:cover}
.case-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#111;color:#fff;font-size:11px;padding:4px 10px;letter-spacing:.05em;z-index:1}
.case-desc{padding:16px 20px;font-size:13px;color:#666}

/* --- Reviews --- */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px}
.review-card{padding:32px;border:1px solid #eee;transition:border-color .3s}
.review-card:hover{border-color:#ccc}
.review-stars{color:#111;font-size:13px;letter-spacing:2px;margin-bottom:16px}
.review-text{font-size:14px;color:#555;line-height:1.8;margin-bottom:20px}
.review-author{font-size:13px;color:#999}

/* --- Interior Gallery --- */
.interior{background:#fafafa}
.interior-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:60px}
.interior-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;cursor:pointer;transition:opacity .3s}
.interior-grid img:hover{opacity:.85}
.interior-grid img:nth-child(1){grid-column:span 2;grid-row:span 2;aspect-ratio:1}

/* --- Hours & Map --- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:60px}
.hours-table{width:100%}
.hours-table tr{border-bottom:1px solid #f0f0f0}
.hours-table td{padding:14px 0;font-size:15px}
.hours-table td:first-child{color:#888;width:120px}
.hours-table td:last-child{font-weight:500}
.hours-note{margin-top:20px;font-size:13px;color:#999;line-height:1.7}
.map-wrap{width:100%;aspect-ratio:4/3;background:#f0f0f0;display:flex;align-items:center;justify-content:center;color:#999;font-size:14px;border:1px solid #eee}
.contact-info-list{margin-top:30px}
.contact-info-list li{font-size:14px;color:#555;padding:8px 0;display:flex;gap:12px}
.contact-info-list li strong{color:#111;min-width:50px}

/* --- CTA Banner --- */
.cta-banner{background:#111;color:#fff;padding:80px 0;text-align:center}
.cta-banner h2{font-family:'Playfair Display',Georgia,serif;font-size:36px;font-weight:400;margin-bottom:12px}
.cta-banner p{color:rgba(255,255,255,.6);font-size:15px;margin-bottom:32px}
.cta-btn{display:inline-block;padding:14px 40px;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:14px;letter-spacing:.05em;transition:all .3s}
.cta-btn:hover{background:#fff;color:#111}

/* --- Footer --- */
.footer{background:#fafafa;border-top:1px solid #eee;padding:60px 0 40px}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:40px}
.footer-brand .logo{font-size:18px}
.footer-brand p{font-size:13px;color:#999;margin-top:8px;line-height:1.7}
.footer-sns{display:flex;gap:16px;margin-top:16px}
.footer-sns a{width:36px;height:36px;border:1px solid #ddd;display:flex;align-items:center;justify-content:center;font-size:12px;color:#888;transition:all .2s}
.footer-sns a:hover{border-color:#111;color:#111}
.footer-contact{font-size:13px;color:#888;line-height:2}
.footer-bottom{text-align:center;margin-top:40px;padding-top:24px;border-top:1px solid #eee;font-size:12px;color:#bbb}
.footer-bottom a{color:#999;transition:color .2s}
.footer-bottom a:hover{color:#111}

/* --- Page Hero (sub pages) --- */
.page-hero{height:360px;display:flex;align-items:center;justify-content:center;text-align:center;background:#f7f7f7;margin-top:72px;position:relative;overflow:hidden}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.page-hero-content{position:relative;z-index:1}
.page-hero .sub-text{color:#888}
.page-hero .section-title{color:#111}

/* --- Detail Sections (sub pages) --- */
.detail-section{padding:80px 0;border-bottom:1px solid #f0f0f0}
.detail-section:last-child{border-bottom:none}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.detail-grid.reverse{direction:rtl}
.detail-grid.reverse>*{direction:ltr}
.detail-content h3{font-size:28px;font-weight:400;margin-bottom:16px}
.detail-content p{font-size:15px;color:#666;line-height:1.9;margin-bottom:16px}
.detail-content ul{margin-top:12px}
.detail-content ul li{font-size:14px;color:#555;padding:6px 0;padding-left:16px;position:relative}
.detail-content ul li::before{content:'—';position:absolute;left:0;color:#ccc}
.detail-image img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* --- Gallery Page --- */
.gallery-filter{display:flex;gap:12px;justify-content:center;margin-bottom:48px;flex-wrap:wrap}
.gallery-filter button{padding:8px 20px;font-size:13px;border:1px solid #ddd;color:#888;transition:all .2s;background:#fff}
.gallery-filter button.active,.gallery-filter button:hover{border-color:#111;color:#111}
.gallery-masonry{columns:3;column-gap:16px}
.gallery-masonry img{width:100%;margin-bottom:16px;break-inside:avoid;cursor:pointer;transition:opacity .3s}
.gallery-masonry img:hover{opacity:.85}

/* --- Cases Page --- */
.cases-filter{display:flex;gap:12px;justify-content:center;margin-bottom:48px;flex-wrap:wrap}
.cases-filter button{padding:8px 20px;font-size:13px;border:1px solid #ddd;color:#888;transition:all .2s;background:#fff}
.cases-filter button.active,.cases-filter button:hover{border-color:#111;color:#111}
.cases-page-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.case-page-card{overflow:hidden;border:1px solid #eee}
.case-page-images{display:grid;grid-template-columns:1fr 1fr}
.case-page-images .before-wrap,.case-page-images .after-wrap{position:relative}
.case-page-images .tag{position:absolute;top:12px;left:12px;background:#111;color:#fff;font-size:11px;padding:3px 10px;letter-spacing:.05em}
.case-page-images img{width:100%;aspect-ratio:4/3;object-fit:cover}
.case-page-info{padding:24px;border-top:1px solid #f0f0f0}
.case-page-info h4{font-size:16px;font-weight:500;margin-bottom:6px}
.case-page-info p{font-size:13px;color:#888;line-height:1.7}

/* --- Contact Page --- */
.contact-page-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.time-table{width:100%;border-collapse:collapse}
.time-table th,.time-table td{padding:14px 16px;font-size:14px;text-align:left;border-bottom:1px solid #f0f0f0}
.time-table th{color:#888;font-weight:400;width:100px}
.time-table td{font-weight:500}
.time-table tr.lunch td,.time-table tr.lunch th{color:#bbb}

/* --- Lightbox --- */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:2000;display:none;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:90%;max-height:85vh;object-fit:contain}
.lightbox-close{position:absolute;top:24px;right:24px;color:#fff;font-size:28px;cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .treatments-grid{grid-template-columns:repeat(2,1fr)}
  .equipment-grid{grid-template-columns:repeat(2,1fr)}
  .doctors-grid{grid-template-columns:repeat(3,1fr)}
  .about-grid{gap:40px}
  .detail-grid{grid-template-columns:1fr;gap:40px}
  .detail-grid.reverse{direction:ltr}
  .contact-grid{grid-template-columns:1fr}
  .contact-page-grid{grid-template-columns:1fr}
  .gallery-masonry{columns:2}
}

@media(max-width:768px){
  .section-padding{padding:80px 0}
  .section-title{font-size:30px}
  .nav-links,.nav-cta{display:none}
  .hamburger{display:flex}
  .hero-title{font-size:34px}
  .hero-subtitle{font-size:15px}
  .about-grid{grid-template-columns:1fr}
  .about-image img{height:300px}
  .about-stats{gap:24px}
  .about-stat .num{font-size:30px}
  .doctors-grid{grid-template-columns:1fr 1fr}
  .treatments-grid{grid-template-columns:1fr 1fr}
  .cases-grid{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .interior-grid{grid-template-columns:1fr 1fr}
  .interior-grid img:nth-child(1){grid-column:span 2;aspect-ratio:16/9}
  .cases-page-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
  .page-hero{height:280px}
  .cta-banner h2{font-size:26px}
}

@media(max-width:480px){
  .section-padding{padding:60px 0}
  .section-title{font-size:26px}
  .hero{min-height:500px}
  .hero-title{font-size:28px}
  .treatments-grid{grid-template-columns:1fr}
  .equipment-grid{grid-template-columns:1fr 1fr}
  .doctors-grid{grid-template-columns:1fr}
  .interior-grid{grid-template-columns:1fr}
  .interior-grid img:nth-child(1){grid-column:span 1;aspect-ratio:4/3}
  .gallery-masonry{columns:1}
}