/* NAIL YEO:UN - base styles, mobile-first. Pair with themes.css (theme-yeoun).
   Fonts: Instrument Serif (display, matches NeuraLearn) + DM Sans (body). */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{font-family:'DM Sans',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.7;background:var(--bg);font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:'Instrument Serif',Georgia,serif;line-height:1.1;color:var(--ink);font-weight:400;letter-spacing:0}
h1{font-size:2.9rem;margin-bottom:.6rem}
h2{font-size:2.3rem;margin-bottom:.6rem}
h3{font-size:1.5rem;margin-bottom:.4rem}
p{margin-bottom:1rem}
.eyebrow{display:inline-block;font-size:.72rem;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem;font-family:'DM Sans',sans-serif}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:15px 32px;border-radius:4px;font-weight:500;border:0;cursor:pointer;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;font-family:'DM Sans',sans-serif;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-2px);background:var(--accent-dk);box-shadow:0 12px 26px -10px rgba(0,0,0,.35)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.6rem}
/* wordmark */
.brand{display:inline-flex;flex-direction:column;line-height:1;color:var(--ink);text-decoration:none}
.brand .b-sm{font-family:'DM Sans',sans-serif;font-size:.58rem;font-weight:500;letter-spacing:.45em;text-transform:uppercase;color:var(--muted);margin-bottom:3px;padding-left:4px}
.brand .b-lg{font-family:'Instrument Serif',Georgia,serif;font-size:1.72rem;font-weight:400;font-style:italic;letter-spacing:.04em}
.brand .colon{color:var(--gold)}
/* nav */
header.nav{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav-links{display:none;gap:30px}
.nav-links a{color:var(--ink);font-weight:400;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-family:'DM Sans',sans-serif}
.nav-links a:hover{color:var(--accent)}
.menu-btn{background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink);line-height:1}
.mobile-menu{display:none;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:15px 22px;color:var(--ink);border-top:1px solid var(--line);font-weight:400;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem;font-family:'DM Sans',sans-serif}
/* hero */
.hero{position:relative;background:linear-gradient(150deg,var(--hero-bg),var(--hero-bg2));color:var(--hero-ink);padding:78px 0 84px;overflow:hidden}
.hero:after{content:"";position:absolute;right:-150px;top:-150px;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.05)}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:var(--hero-ink);font-size:3.2rem;max-width:16ch;font-weight:400;font-style:italic}
.hero p{font-size:1.16rem;max-width:52ch;color:var(--hero-ink);opacity:.9;font-weight:300}
.hero .eyebrow{color:var(--gold);opacity:1}
.hero-sm{padding:54px 0 58px}
.hero-sm h1{max-width:none}
/* trust strip */
.trust{background:var(--surface);border-bottom:1px solid var(--line)}
.trust .wrap{display:flex;flex-wrap:wrap;gap:18px;padding:24px 22px;justify-content:center;text-align:center}
.trust div{flex:1 1 180px;font-size:.88rem;color:var(--muted);font-weight:300}
.trust strong{display:block;color:var(--ink);font-size:1.25rem;font-family:'Instrument Serif',Georgia,serif;font-weight:400;letter-spacing:.01em;margin-bottom:2px}
/* sections */
section{padding:60px 0}
.lead{font-size:1.14rem;max-width:60ch;color:var(--muted);font-weight:300}
.sec-head{text-align:center;max-width:62ch;margin:0 auto 10px}
.sec-head .lead{margin:0 auto}
.grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:32px;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(0,0,0,.3)}
.ico{width:52px;height:52px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.ico svg{width:25px;height:25px}
.card h3{color:var(--accent)}
/* reviews */
.reviews{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px}
.review{background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:8px;padding:26px}
.review p{font-family:'Instrument Serif',Georgia,serif;font-size:1.4rem;font-style:italic;color:var(--ink);margin-bottom:14px;line-height:1.35}
.review .who{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500}
.stars{color:var(--gold);letter-spacing:3px;margin-bottom:10px;font-size:.85rem}
/* service menu */
.menu{margin-top:34px;max-width:760px;margin-left:auto;margin-right:auto}
.menu-group{margin-bottom:34px}
.menu-group h3{color:var(--accent);border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:6px}
.menu-item{display:flex;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px dashed var(--line)}
.menu-item:last-child{border-bottom:0}
.mi-name{font-weight:500}
.mi-desc{display:block;color:var(--muted);font-size:.9rem;font-weight:300;margin-top:4px;max-width:46ch}
.mi-time{white-space:nowrap;color:var(--accent);font-size:.82rem;font-weight:500;letter-spacing:.04em;padding-top:2px}
.mi-price{white-space:nowrap;color:var(--accent);font-size:.98rem;font-weight:600;letter-spacing:.01em;padding-top:1px;text-align:right}
/* gallery */
.gallery{display:grid;grid-template-columns:1fr;gap:14px;margin-top:34px}
.gallery figure{margin:0;position:relative;border-radius:10px;overflow:hidden;background:var(--surface);border:1px solid var(--line);aspect-ratio:3/4}
.gallery img{width:100%;height:100%;object-fit:cover}
.gallery .ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--muted);font-weight:400;font-size:.82rem;text-align:center;padding:16px;letter-spacing:.08em;text-transform:uppercase;background:repeating-linear-gradient(45deg,var(--surface),var(--surface) 14px,var(--accent-soft) 14px,var(--accent-soft) 28px)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 16px 14px;color:#fff;font-size:.82rem;letter-spacing:.05em;background:linear-gradient(transparent,rgba(0,0,0,.74))}
/* CTA band */
.cta-band{background:linear-gradient(150deg,var(--hero-bg),var(--hero-bg2));color:#fff;text-align:center}
.cta-band h2{color:#fff;font-size:2.5rem}
.cta-band p{max-width:50ch;margin:0 auto 24px;opacity:.9;font-weight:300}
.cta-band .btn{background:#fff;color:var(--accent)}
.cta-band .btn:hover{background:var(--gold);color:#fff}
/* booking */
.embed-card{max-width:780px;margin:34px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:34px 30px;text-align:center}
.book-frame{width:100%;min-height:640px;border:0;border-radius:10px;margin-top:14px;background:var(--bg)}
.note{max-width:620px;margin:18px auto 0;color:var(--muted);font-size:.88rem;text-align:center;font-weight:300}
/* form */
.form{max-width:560px;margin:30px auto 0;background:var(--surface);border:1px solid var(--line);padding:32px;border-radius:14px}
.form label{display:block;font-weight:500;margin:16px 0 6px;font-size:.88rem;letter-spacing:.03em}
.form input,.form textarea,.form select{width:100%;padding:14px;border:1px solid var(--line);border-radius:8px;font-size:1rem;font-family:inherit;background:var(--bg);color:var(--ink)}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.form textarea{min-height:120px;resize:vertical}
.form .btn{margin-top:24px;width:100%}
/* footer */
footer{background:var(--hero-bg);color:rgba(255,255,255,.72);padding:46px 0;font-size:.9rem;text-align:center}
footer .brand{align-items:center;margin:0 auto 12px}
footer .brand .b-lg{color:#fff}
footer .brand .b-sm{color:rgba(255,255,255,.55)}
footer a{color:#fff;opacity:.92}
footer p{margin-bottom:6px}
@media(min-width:760px){
  body{font-size:18px}
  h1{font-size:3.8rem}.hero h1{font-size:4.3rem}h2{font-size:2.9rem}
  .hero{padding:112px 0 118px}.hero-sm{padding:74px 0}
  .nav-links{display:flex}.menu-btn{display:none}
  .grid{grid-template-columns:repeat(3,1fr)}
  .reviews{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
  section{padding:84px 0}
}