/* HER Pilates — homepage (mẫu 1a "Editorial tĩnh lặng"). Bảng màu = theme K1 của app. */
:root{
  --bg:#FAF7F1; --card:#FFFFFF; --ink:#2A2622; --muted:#857C6E; --faint:#B9B0A0;
  --line:#E6DFCF; --sand:#F4EDE1; --tan:#EDDFC6; --gold:#CFAF86; --accent:#A8825A;
  --dark:#2A2622; --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id],.quick{scroll-margin-top:92px}
html,body{overflow-x:clip}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-weight:300;line-height:1.75;-webkit-font-smoothing:antialiased;text-wrap:pretty;
}
img{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--ink)}
h1,h2,h3{font-family:"Playfair Display",Georgia,serif;font-weight:400;margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 44px}
.eyebrow{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--accent);margin-bottom:22px}
.btn{
  display:inline-block;background:var(--gold);color:var(--ink);font-weight:500;font-size:14.5px;
  padding:15px 30px;border-radius:999px;border:0;cursor:pointer;text-align:center;
  font-family:inherit;transition:background .18s ease;
}
.btn:hover{background:var(--accent);color:#FFFDF9}

/* placeholder ảnh — thay bằng <img> thật, giữ nguyên tỉ lệ khung */
.ph{
  background:repeating-linear-gradient(135deg,var(--sand) 0 12px,var(--tan) 12px 24px);
  display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;letter-spacing:.12em;color:#8B7A5E;
}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:20;background:rgba(250,247,241,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;flex-direction:column;align-items:center;gap:3px}
.brand .logo{width:42px;height:42px;display:block}
.brand b{font-family:"Playfair Display",serif;font-size:23px;font-weight:600;letter-spacing:.06em}
.brand span{font-size:8.5px;letter-spacing:.22em;color:var(--muted);white-space:nowrap}
.nav{display:flex;gap:30px;font-size:13px;color:var(--muted)}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--ink)}
.head-cta{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);
  border-bottom:1px solid var(--gold);padding-bottom:3px;white-space:nowrap;
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:620px;display:flex;align-items:flex-end;overflow:hidden}
.hero .ph{position:absolute;inset:0;padding:0}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(42,38,34,.12) 0%,rgba(42,38,34,.42) 38%,rgba(42,38,34,.78) 100%);
}
.hero-body{position:relative;z-index:2;max-width:820px;padding-bottom:64px}
.hero .eyebrow{color:var(--tan)}
.hero h1{font-size:62px;line-height:1.14;color:#FFFDF9;margin-bottom:22px}
.hero h1 em{font-style:italic;color:var(--tan)}
.hero p{font-size:16px;color:rgba(255,253,249,.86);max-width:520px;margin:0}

/* ---------- dải form nhanh ---------- */
.quick{background:var(--card);border-bottom:1px solid var(--line)}
.quick .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:26px;padding-bottom:26px}
.quick p{font-size:14px;color:var(--muted);margin:0}
.quick form{display:flex;gap:12px;align-items:center}
.quick input{
  border:1px solid var(--line);border-radius:999px;padding:12px 20px;font-size:14px;
  background:var(--bg);min-width:230px;font-family:inherit;color:var(--ink);
}
.quick input::placeholder{color:var(--faint)}
.quick .btn{padding:13px 28px;font-size:14px;white-space:nowrap}

/* ---------- về HER ---------- */
.about{padding:104px 0;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about h2{font-size:40px;line-height:1.24;margin-bottom:24px}
.about p{color:var(--muted);font-size:16px;margin:0 0 16px}
.about p:last-child{margin-bottom:0}
.about .ph{aspect-ratio:4/5}

/* ---------- bộ môn ---------- */
.disciplines{padding-bottom:104px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);padding-bottom:20px}
.sec-head h2{font-size:38px}
.sec-head span{font-size:13px;color:var(--muted);white-space:nowrap}
.disc-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.disc{padding:38px 34px}
.disc:first-child{padding-left:0}
.disc:last-child{padding-right:0}
.disc:not(:last-child){border-right:1px solid var(--line)}
.disc .num{font-family:"Playfair Display",serif;font-size:14px;color:var(--accent);margin-bottom:14px}
.disc h3{font-weight:500;font-size:23px;margin-bottom:10px}
.disc p{font-size:14px;color:var(--muted);margin:0}

/* ---------- cảm nhận (nền tối) ---------- */
.quote{display:grid;grid-template-columns:1.15fr 1fr}
.quote .ph{min-height:520px}
.quote-body{background:var(--dark);color:var(--bg);padding:84px 60px;display:flex;flex-direction:column;justify-content:center}
.quote-body .eyebrow{color:var(--gold)}
.quote-body blockquote,.quote-body cite{transition:opacity .35s ease}
.quote-body.switching blockquote,.quote-body.switching cite{opacity:0}
.dots i{cursor:pointer}
.quote-body blockquote{
  font-family:"Playfair Display",serif;font-style:italic;font-size:28px;line-height:1.45;margin:0 0 24px;
}
.quote-body cite{font-style:normal;font-size:13px;color:var(--faint);letter-spacing:.06em}
.dots{display:flex;gap:8px;margin-top:42px}
.dots i{width:26px;height:2px;background:rgba(250,247,241,.25)}
.dots i.on{background:var(--gold)}

/* Modal kết quả gửi form */
.modal-overlay{position:fixed;inset:0;background:rgba(42,38,34,.55);display:none;align-items:center;justify-content:center;z-index:50;padding:24px}
.modal-overlay.show{display:flex}
.modal{background:var(--bg);max-width:420px;width:100%;padding:44px 40px 36px;text-align:center;border:1px solid var(--line)}
.modal h3{font-family:"Playfair Display",serif;font-weight:500;font-size:24px;margin:0 0 12px}
.modal p{font-size:14.5px;color:var(--muted);line-height:1.7;margin:0 0 26px}
.modal .btn{min-width:140px}
.modal .mark{font-family:"Playfair Display",serif;font-size:30px;color:var(--accent);display:block;margin-bottom:14px}

/* ---------- buổi trải nghiệm ---------- */
.trial{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:104px 0}
.trial .wrap{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.trial h2{font-size:40px;line-height:1.24;margin-bottom:24px}
.trial p{color:var(--muted);font-size:16px;margin:0 0 16px}
.trial p:last-child{margin-bottom:0}
.price-card{border:1px solid var(--line);background:var(--card);display:flex;flex-direction:column}
.price-head{padding:34px 34px 28px;border-bottom:1px solid var(--line);display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.price-head b{font-family:"Playfair Display",serif;font-size:46px;font-weight:400;line-height:1}
.price-head span{font-size:14px;color:var(--muted)}
.price-row{display:flex;gap:18px;padding:26px 34px;border-bottom:1px solid var(--line)}
.price-row:last-of-type{border-bottom:0}
.price-row i{font-family:"Playfair Display",serif;font-style:normal;font-size:14px;color:var(--accent);padding-top:3px}
.price-row strong{display:block;font-weight:400;font-size:15.5px;margin-bottom:4px}
.price-row em{font-style:normal;font-size:14px;color:var(--muted)}
.price-card .btn{margin:0 34px 34px;padding:16px}

/* ---------- form liên hệ ---------- */
.contact{padding:104px 0}
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.contact h2{font-size:40px;line-height:1.24;margin-bottom:20px}
.contact .lead{color:var(--muted);font-size:15px;margin:0 0 34px;max-width:420px}
.info{display:flex;flex-direction:column;gap:16px;font-size:14.5px}
.info div{display:flex;gap:14px;border-top:1px solid var(--line);padding-top:16px}
.info dt{width:70px;flex:0 0 70px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.form{display:flex;flex-direction:column;gap:14px}
.form input,.form select{
  border:0;border-bottom:1px solid var(--line);background:none;padding:14px 0;font-size:14px;
  font-family:inherit;color:var(--ink);width:100%;
}
.form input::placeholder{color:var(--faint)}
.form input:focus,.form select:focus,.quick input:focus{outline:0;border-color:var(--accent)}
.chips{display:flex;gap:8px;flex-wrap:wrap;padding-top:6px}
.chips label{
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--muted);cursor:pointer;
}
.chips input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px;left:0;top:0}
.chips label:has(input:checked){background:var(--tan);border-color:var(--tan);color:var(--accent);font-weight:500}
.form .btn{margin-top:18px;padding:16px}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line)}
.site-foot .wrap{display:flex;justify-content:space-between;gap:20px;padding-top:30px;padding-bottom:30px;font-size:12.5px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .nav{display:none}
  .about,.quote,.trial .wrap,.contact .wrap{grid-template-columns:1fr;gap:44px}
  .quote .ph{min-height:340px}
  .quote-body{padding:56px 32px}
  .disc-grid{grid-template-columns:1fr}
  .disc{padding:30px 0;border-right:0!important;border-top:1px solid var(--line)}
  .quick .wrap{flex-direction:column;align-items:stretch}
  .quick form{flex-direction:column;align-items:stretch}
  .quick input{min-width:0}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .site-head .wrap{height:64px}
  .brand .logo{width:36px;height:36px}
  .brand span{font-size:7.5px;letter-spacing:.16em}
  .hero{min-height:520px}
  .hero h1{font-size:38px}
  .hero-body{padding-bottom:44px}
  .about,.trial,.contact{padding:64px 0}
  .disciplines{padding-bottom:64px}
  .about h2,.trial h2,.contact h2{font-size:29px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .sec-head h2{font-size:29px}
  .quote-body blockquote{font-size:22px}
  .price-head b{font-size:36px}
  .site-foot .wrap{flex-direction:column;gap:8px}
}