/* HT Seoul — Dental Tourism site. Màu thương hiệu lấy từ web hiện tại (teal #073b3f, vàng #b0843a). */
:root{
  --teal:#073b3f; --teal-2:#0d5258; --teal-soft:#e6efef;
  --gold:#b0843a; --gold-2:#d6b068; --gold-dark:#9e7228;
  --ink:#1f2b2d; --muted:#5f6e70; --line:#e3e9ea; --bg:#ffffff; --bg-2:#f5f8f8;
  --radius:14px; --shadow:0 10px 30px rgba(7,59,63,.10);
  --serif:'Lora',Georgia,serif; --sans:'Nunito Sans',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--teal-2)}
h1,h2,h3{font-family:var(--serif);color:var(--teal);line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.2rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section.alt{background:var(--bg-2)}
.section.dark{background:var(--teal);color:#e8f1f1}
.section.dark h2,.section.dark h3{color:#fff}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:800;margin-bottom:10px}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
.small{font-size:.88rem;color:var(--muted)}

/* Nút */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:800;text-decoration:none;border:2px solid transparent;cursor:pointer;font-size:1rem;font-family:var(--sans);transition:.2s}
.btn-gold{background:var(--gold);color:#fff}.btn-gold:hover{background:var(--gold-dark)}
.btn-line{border-color:currentColor;color:var(--teal);background:transparent}.btn-line:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.dark .btn-line,.hero .btn-line{color:#fff}.hero .btn-line:hover{background:#fff;color:var(--teal)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* Header */
.topbar{background:var(--teal);color:#cfe0e0;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:700}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--teal)}
.logo-mark{width:42px;height:42px;border-radius:50%;background:var(--teal);color:var(--gold-2);display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:1.05rem}
.logo b{font-family:var(--serif);font-size:1.15rem;display:block;line-height:1.1}
.logo small{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
nav.main{display:flex;align-items:center;gap:26px}
nav.main a{text-decoration:none;color:var(--ink);font-weight:700;font-size:.95rem}
nav.main a:hover,nav.main a.on{color:var(--gold)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang a{padding:5px 11px;font-size:.8rem}
.lang a.on{background:var(--teal);color:#fff!important}
.menu-btn{display:none;background:none;border:0;font-size:1.7rem;color:var(--teal);cursor:pointer}

/* Hero */
.hero{background:linear-gradient(135deg,rgba(7,59,63,.97),rgba(13,82,88,.92)),radial-gradient(circle at 80% 20%,#1a6c72,transparent 60%);color:#e8f1f1;padding:90px 0 100px;position:relative;overflow:hidden}
.hero h1{color:#fff}
.hero h1 em{color:var(--gold-2);font-style:normal}
.hero .lead{color:#c9dcdc}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:50px;align-items:center}
.hero-card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.hero-card h3{margin-bottom:14px}
.hero-card ul{list-style:none;padding:0;margin:0}
.hero-card li{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line)}
.hero-card li:last-child{border:0}
.hero-card strong{color:var(--teal)}
.usd{display:block;font-size:.8rem;color:var(--muted);font-weight:600;text-align:right}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.badge{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:7px 14px;border-radius:999px;font-size:.86rem}
.page-hero{padding:70px 0 60px}

/* Lưới, thẻ */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.2s;color:var(--ink)}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.icon{width:52px;height:52px;border-radius:12px;background:var(--teal-soft);display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px}
.card .price{font-family:var(--serif);font-size:1.4rem;color:var(--gold-dark);font-weight:700}
.card ul{padding-left:18px;margin:10px 0 0}
.card li{margin-bottom:6px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}

/* Bước */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps.s3{grid-template-columns:repeat(3,1fr)}
.steps.s5{grid-template-columns:repeat(5,1fr)}
.step{position:relative;padding:26px 22px 22px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--serif);font-size:2.2rem;color:var(--gold-2);font-weight:700;display:block;margin-bottom:6px}
.step .icon{margin-bottom:12px}
.dark .step{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.15)}
.dark .step h3{color:#fff}

/* Bảng giá */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
table.price{width:100%;border-collapse:collapse;min-width:560px}
table.price th,table.price td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.price thead th{background:var(--teal);color:#fff;font-size:.88rem;letter-spacing:.04em}
table.price td.p{font-weight:800;color:var(--teal);white-space:nowrap}
table.price tr:last-child td{border-bottom:0}
table.price .note{font-size:.85rem;color:var(--muted)}
.tag{display:inline-block;background:#fbf3e4;color:var(--gold-dark);font-size:.72rem;font-weight:800;padding:2px 8px;border-radius:6px;margin-left:6px;vertical-align:middle}
.price-group{margin-bottom:46px}

/* Máy tính tiết kiệm */
.calc{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);border:1px solid var(--line)}
.calc label{display:block;font-weight:700;margin:14px 0 6px;font-size:.93rem}
.calc select,.calc input,.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid #cdd8d9;border-radius:10px;font:inherit;font-size:1rem;background:#fff}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.calc-out{margin-top:22px;padding:20px;border-radius:12px;background:var(--teal-soft)}
.calc-out .big{font-family:var(--serif);font-size:2rem;color:var(--teal);font-weight:700}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 22px;margin-bottom:12px}
summary{cursor:pointer;font-weight:800;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;color:var(--teal)}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';font-size:1.4rem;color:var(--gold);line-height:1}
details[open] summary::after{content:'–'}
details p{color:var(--muted)}

/* Mốc thời gian chuyến đi */
.timeline{border-left:3px solid var(--gold-2);margin-left:10px;padding-left:28px}
.tl{position:relative;margin-bottom:28px}
.tl::before{content:'';position:absolute;left:-37px;top:6px;width:15px;height:15px;border-radius:50%;background:var(--gold);border:3px solid #fff;box-shadow:0 0 0 2px var(--gold-2)}
.tl b{color:var(--teal)}

/* Bác sĩ */
.doctor{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:center}
.doctor img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}

/* Ảnh phòng khám */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gallery figure{margin:0;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{padding:12px 16px;font-weight:700;color:var(--teal)}

/* Form */
.form{display:grid;gap:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{font-weight:700;font-size:.92rem;display:block;margin-bottom:5px}
.form-msg{display:none;padding:14px;border-radius:10px;background:#eaf6ee;color:#1e6b3a;font-weight:700}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.info-list span{font-size:1.3rem}
.map{border:0;width:100%;height:340px;border-radius:var(--radius)}

/* CTA + footer */
.cta{background:linear-gradient(120deg,var(--gold-dark),var(--gold));color:#fff;border-radius:22px;padding:50px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 6px}
.cta .btn-gold{background:#fff;color:var(--gold-dark)}
footer.site{background:#052a2d;color:#9fb6b7;padding:60px 0 28px;font-size:.93rem}
footer.site h4{color:#fff;font-family:var(--serif);margin:0 0 14px;font-size:1.05rem}
footer.site a{color:#cfe0e0;text-decoration:none}
footer.site ul{list-style:none;padding:0;margin:0}footer.site li{margin-bottom:8px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;font-size:.82rem}

/* Nút nổi */
.float{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;text-decoration:none;font-weight:800;font-size:.8rem;box-shadow:0 8px 20px rgba(0,0,0,.2)}
.float .t{background:var(--gold)}.float .w{background:#25d366}

/* Gói giá */
.pkg{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;display:flex;flex-direction:column;text-align:center}
.pkg.hot{border:2px solid var(--gold);box-shadow:var(--shadow)}
.pkg-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--gold);color:#fff;font-size:.75rem;font-weight:800;padding:4px 12px;border-radius:999px;white-space:nowrap}
.pkg-price{font-family:var(--serif);font-size:1.5rem;color:var(--teal);font-weight:700;margin:4px 0 18px}
.pkg-price .usd{text-align:center;font-family:var(--sans)}
.pkg ul{list-style:none;padding:0;margin:0 0 22px;text-align:left;flex:1}
.pkg li{padding:9px 0 9px 28px;border-bottom:1px solid var(--line);position:relative;font-size:.93rem}
.pkg li.y::before{content:'✓';position:absolute;left:4px;color:#1e8a4a;font-weight:800}
.pkg li.n{color:var(--muted)}.pkg li.n::before{content:'＋';position:absolute;left:2px;color:var(--gold)}
.pkg .btn{justify-content:center}
/* Điểm đến + checkbox */
.dist{display:inline-block;font-size:.75rem;font-weight:800;color:var(--gold-dark);background:#fbf3e4;padding:3px 10px;border-radius:6px;margin-bottom:10px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.checks label{font-weight:600;display:flex;gap:8px;align-items:center;margin:0}
.checks input{width:auto}
/* Ô chọn dịch vụ dạng nút */
.svc-pick{display:flex;flex-wrap:wrap;gap:10px}
.svc-pick label{border:1.5px solid #cdd8d9;border-radius:999px;padding:9px 16px;cursor:pointer;background:#fff;transition:.15s}
.svc-pick label:has(input:checked){border-color:var(--teal);background:var(--teal);color:#fff}
.svc-pick input{accent-color:var(--gold)}

@media (max-width:960px){
  .hero-grid,.split,.doctor{grid-template-columns:1fr}
  .g3,.g4,.steps,.steps.s5,.pkgs{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav.main{position:absolute;top:100%;left:0;right:0;box-shadow:0 12px 24px rgba(7,59,63,.12);background:#fff;flex-direction:column;align-items:flex-start;padding:20px;gap:16px;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:flex}
  .menu-btn{display:block}
  .doctor img{max-width:320px}
}
@media (max-width:600px){
  body{font-size:16px}
  .section{padding:56px 0}
  .wrap{padding:0 16px}
  .g2,.g3,.g4,.steps,.steps.s3,.steps.s5,.pkgs,.gallery,.foot-grid,.form .row,.calc .row,.checks{grid-template-columns:1fr}
  .cta{padding:32px 24px}
  .hero{padding:60px 0 70px}
  .topbar .hide-sm{display:none}
  .topbar{font-size:.78rem}
  .logo b{font-size:1rem}.logo small{font-size:.66rem}
  table.price{min-width:0}
  table.price th,table.price td{padding:14px 12px}
  table.price td.p{white-space:normal;text-align:right;width:40%}
}

/* Blog */
.post{max-width:800px}
.post h2{margin-top:36px}
.post .table-wrap{margin:16px 0}
.crumb{font-size:.88rem;color:#c9dcdc;margin:0 0 10px}
.crumb a{color:#fff}
.answer{background:var(--cream, #faf6ee);border-left:4px solid var(--gold);padding:18px 20px;border-radius:var(--radius);line-height:1.6}

/* Menu 7 mục: không xuống dòng; màn dưới 1200px dùng nút ☰ */
nav.main{gap:20px}nav.main a{white-space:nowrap}.logo b{white-space:nowrap}
@media (max-width:1300px){
  nav.main{position:absolute;top:100%;left:0;right:0;box-shadow:0 12px 24px rgba(7,59,63,.12);background:#fff;flex-direction:column;align-items:flex-start;padding:20px;gap:16px;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:flex}
  .menu-btn{display:block}
}

/* Bảng giá All-on-4/6 nhiều cột: cuộn ngang trong khung trên điện thoại */
table.price.arch{min-width:560px}
table.price.arch td.p{width:auto;text-align:left;white-space:nowrap}

/* Dễ đọc cho khách 50–70 tuổi (11/2026): chữ to hơn, tương phản cao hơn,
   nút và ô nhập lớn, link trong bài có gạch chân, có nút phóng to chữ. */
:root{--muted:#46575a;--gold-text:#8a6424}
html{font-size:18px}
body{font-size:1.06rem;line-height:1.7}
.eyebrow{font-size:.85rem;letter-spacing:.08em;color:var(--gold-text)}
.logo small{color:var(--gold-text)}
.small,.crumb{font-size:.95rem}
.usd,table.price .note,.pkg li,footer.site,.topbar{font-size:.95rem}
.copy{font-size:.9rem}
table.price thead th{font-size:.95rem}
footer.site{color:#c3d3d4}
.btn{padding:15px 28px;font-size:1.05rem;min-height:52px}
nav.main a{font-size:.95rem}
header.site .wrap{max-width:1400px}
nav.main{gap:18px}
.lang a{font-size:.9rem;padding:7px 13px}
.calc label,.form label{font-size:1rem}
.calc select,.calc input,.form input,.form select,.form textarea{padding:14px 16px;font-size:1.05rem}
main p a,main li a:not(.btn),details a{text-decoration:underline;text-underline-offset:3px}
main p a:visited,details a:visited{color:#5b3a7a}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.fs-btn{background:#fff;border:2px solid var(--teal);color:var(--teal);border-radius:999px;font-weight:800;font-family:var(--sans);font-size:1rem;padding:6px 12px;cursor:pointer;margin-left:12px;line-height:1}
.fs-btn span{font-size:.8em}
.fs-btn[aria-pressed="true"]{background:var(--teal);color:#fff}
html.big-text{font-size:21px}
@media (max-width:600px){
  html{font-size:17px} body{font-size:1rem}
  html.big-text{font-size:19.5px}
  .fs-btn{margin-left:auto;margin-right:10px}
}
/* Khi bật chữ to: menu gọn vào nút ☰ để đầu trang không tràn */
@media (max-width:1700px){
  html.big-text nav.main{position:absolute;top:100%;left:0;right:0;box-shadow:0 12px 24px rgba(7,59,63,.12);background:#fff;flex-direction:column;align-items:flex-start;padding:20px;gap:16px;border-bottom:1px solid var(--line);display:none}
  html.big-text nav.main.open{display:flex}
  html.big-text .menu-btn{display:block}
  html.big-text .fs-btn{margin-left:auto;margin-right:12px}
}
/* Điện thoại: chừa chỗ cho nút A+ ở đầu trang */
@media (max-width:600px){
  .logo{gap:8px;min-width:0}
  .logo b{white-space:normal;font-size:.98rem}
  .logo small{font-size:.66rem;letter-spacing:.05em}
  .logo-mark{width:38px;height:38px;flex:none}
  .fs-btn{padding:5px 9px;margin-right:6px;flex:none}
  .menu-btn{flex:none}
}

/* Phong cách cho khách châu Âu (11/2026): phông chữ có sẵn trên máy (không tải từ Google,
   hợp quy định bảo vệ dữ liệu GDPR), biểu tượng nét mảnh thay emoji, không nhúng bản đồ Google. */
:root{--serif:Georgia,'Times New Roman',serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}
.icon{color:var(--teal)}
.icon svg.ico{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
svg.ic{width:1.1em;height:1.1em;vertical-align:-.17em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-right:.35em;flex:none}
.info-list span svg.ic{width:24px;height:24px;margin:0;color:var(--gold-dark)}
.yes{color:#1e6b3a;font-weight:800}.no{color:var(--muted);font-weight:800}
.map-link{margin-top:20px}.map-link .small{margin:8px 0 0}
.privacy{margin:12px 0 0}

/* Chừa chỗ cho nhãn "Powered by Netlify" (gói miễn phí, góc dưới phải) */
.float{bottom:72px}

/* Trước – sau (ảnh khách thật, đã che mắt) */
.ba-list{display:grid;gap:28px;max-width:880px;margin:26px auto 0}
.ba-case{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--line)}
.ba-img{position:relative;background:#fff}
.ba-img img{width:100%;height:auto;aspect-ratio:900/1318;object-fit:cover}
.ba-tag{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.92);color:var(--ink,#1d2b2d);font-weight:700;font-size:.85rem;padding:4px 12px;border-radius:999px;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.ba-tag.after{background:var(--teal,#0f5257);color:#fff}
.ba-case figcaption{padding:14px 18px;font-size:1rem}
@media(max-width:600px){.ba-tag{font-size:.75rem;padding:3px 9px;top:6px;left:6px}}
.ba-tag{left:auto;right:10px}
@media(max-width:600px){.ba-tag{right:6px}}