/* ============================================================
   d mei-mei surgery — design system
   Palette: ivory white + champagne gold + deep ink
   Type: Noto Serif Thai (display) / Anuphan (body)
   ============================================================ */
:root{
  --ivory:#FBF5EA;
  --white:#FFFFFF;
  --champagne:#F8ECD6;
  --gold:#C79A3F;
  --gold-soft:#F0BE76;
  --gold-line:#E8D3A4;
  --ink:#232B45;--navy:#1C3572;
  --muted:#6B7089;
  --line:#EBE0C9;
  --green:#06C755;
  --radius:2px;
  --maxw:1120px;
  --serif:'Noto Serif Thai', serif;
  --sans:'Anuphan', sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--ivory);line-height:1.75;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

h1,h2,h3,.serif{font-family:var(--serif);font-weight:500;line-height:1.35;color:var(--navy)}
h1{font-size:clamp(2rem,4.5vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.25rem}
.eyebrow{font-family:var(--sans);font-size:.78rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);font-weight:600;display:block;margin-bottom:14px}
.gold{color:var(--gold)}
.muted{color:var(--muted)}
.lead{font-size:1.12rem;color:var(--muted)}

/* sash — the signature gold hairline motif */
.sash{width:72px;height:2px;background:linear-gradient(90deg,var(--gold),var(--gold-soft));margin:26px 0;position:relative}
.sash::after{content:"";position:absolute;top:5px;left:14px;width:44px;height:1px;background:var(--gold-line)}
.sash.center{margin-left:auto;margin-right:auto}
.sash.center::after{left:50%;transform:translateX(-50%)}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-family:var(--serif);font-size:1.3rem;letter-spacing:.02em}
.logo b{font-weight:600}
.logo .dot{color:var(--gold)}
.logo small{display:block;font-family:var(--sans);font-size:.62rem;letter-spacing:.42em;text-transform:uppercase;color:var(--gold);line-height:1;margin-top:2px}
.nav-links{display:flex;gap:26px;align-items:center;font-size:.92rem}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a.active{border-bottom:2px solid var(--gold);padding-bottom:4px}
.btn{display:inline-block;padding:13px 30px;border-radius:var(--radius);font-weight:600;font-size:.95rem;letter-spacing:.04em;transition:all .25s;cursor:pointer;border:1px solid transparent}
.btn-gold{background:linear-gradient(120deg,var(--gold),var(--gold-soft));color:#fff}
.btn-gold:hover{filter:brightness(.94)}
.btn-line{background:var(--green);color:#fff}
.btn-line:hover{background:#05b04c}
.btn-ghost{border-color:var(--gold);color:var(--gold)}
.btn-ghost:hover{background:var(--gold);color:#fff}
.nav .btn{padding:10px 22px}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink)}

/* ---------- hero ---------- */
.hero{background:var(--white);border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;padding:84px 0}
.hero .title-line{display:block}
.hero-badge{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--gold-line);color:var(--gold);padding:8px 18px;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:26px;background:var(--champagne)}
.hero p{margin:22px 0 34px;max-width:34rem}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.portrait{position:relative;aspect-ratio:4/5;background:linear-gradient(160deg,var(--champagne),#EFE4C8);border:1px solid var(--gold-line);display:flex;align-items:center;justify-content:center;text-align:center;padding:24px}
.portrait::before{content:"";position:absolute;inset:14px;border:1px solid var(--gold-line);pointer-events:none}
.portrait span{color:var(--muted);font-size:.9rem}

/* ---------- sections ---------- */
section{padding:88px 0}
.section-head{max-width:640px;margin-bottom:54px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.champ{background:var(--champagne)}

/* usp grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{background:var(--white);border:1px solid var(--line);padding:34px 30px;transition:border-color .25s, transform .25s}
.card:hover{border-color:var(--gold-soft);transform:translateY(-3px)}
.card .num{font-family:var(--serif);color:var(--gold);font-size:.95rem;letter-spacing:.2em;margin-bottom:14px;display:block}
.card h3{margin-bottom:10px}
.card p{font-size:.95rem;color:var(--muted)}
.champ .card{background:var(--white)}

/* story */
.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:center}
.story-grid .portrait{aspect-ratio:3/4}
blockquote{font-family:var(--serif);font-size:1.35rem;line-height:1.7;border-left:2px solid var(--gold);padding-left:26px;margin:30px 0}
.sign{font-family:var(--serif);color:var(--gold);font-size:1.15rem;margin-top:18px}

/* steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{background:var(--white);border:1px solid var(--line);padding:30px 24px}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--serif);color:var(--gold);font-size:1.6rem;display:block;margin-bottom:14px}
.step h3{font-size:1.05rem;margin-bottom:8px}
.step p{font-size:.9rem;color:var(--muted)}

/* service list */
.svc{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:26px 4px;border-bottom:1px solid var(--line)}
.svc:first-of-type{border-top:1px solid var(--line)}
.svc h3{font-size:1.2rem}
.svc p{font-size:.92rem;color:var(--muted);max-width:36rem}
.svc .tag{white-space:nowrap;color:var(--gold);font-size:.85rem;letter-spacing:.06em}

/* faq */
details{border-bottom:1px solid var(--line);padding:6px 0}
details:first-of-type{border-top:1px solid var(--line)}
summary{cursor:pointer;font-family:var(--serif);font-size:1.12rem;padding:20px 36px 20px 4px;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--gold);font-size:1.4rem;font-family:var(--sans)}
details[open] summary::after{content:"–"}
details p{padding:0 4px 24px;color:var(--muted);max-width:44rem}

/* CTA band */
.cta-band{background:var(--navy);color:var(--ivory);text-align:center;padding:96px 0}
.cta-band h2{color:#fff}
.cta-band .eyebrow{color:var(--gold-soft)}
.cta-band p{color:#B9C2DE;max-width:36rem;margin:18px auto 34px}

/* footer */
footer{background:var(--white);border-top:1px solid var(--line);padding:64px 0 32px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-grid h4{font-size:.8rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.foot-grid a{display:block;color:var(--muted);margin-bottom:9px}
.foot-grid a:hover{color:var(--ink)}
.copyright{border-top:1px solid var(--line);padding-top:24px;color:var(--muted);font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* floating LINE */
.fab-line{position:fixed;right:22px;bottom:22px;z-index:60;background:var(--green);color:#fff;font-weight:700;padding:14px 22px;border-radius:999px;box-shadow:0 8px 24px rgba(0,0,0,.18);display:flex;align-items:center;gap:8px;font-size:.95rem}
.fab-line:hover{background:#05b04c}

/* page hero (inner pages) */
.page-hero{background:var(--white);border-bottom:1px solid var(--line);padding:72px 0 60px}
.page-hero p{max-width:40rem;margin-top:16px;color:var(--muted)}

/* notice */
.notice{background:var(--champagne);border:1px solid var(--gold-line);padding:22px 26px;font-size:.93rem;color:var(--muted)}

@media (max-width:900px){
  .grid-3,.steps{grid-template-columns:1fr 1fr}
  .hero-grid,.story-grid{grid-template-columns:1fr;gap:40px;padding:56px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;padding:24px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
}
@media (max-width:560px){
  .grid-3,.grid-2,.steps{grid-template-columns:1fr}
  section{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto}
}

/* portrait with real photo */
.portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top center}
.portrait.has-img{background:none}
.portrait.has-img::before{z-index:2;border-color:rgba(255,255,255,.55)}

.svc .price{white-space:nowrap;text-align:right}
.svc .price b{font-family:var(--serif);color:var(--navy);font-size:1.15rem;display:block}
.svc .price span{font-size:.78rem;color:var(--muted)}
.free-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:44px}
.free-item{background:var(--white);border:1px solid var(--line);padding:22px 14px;text-align:center;font-size:.88rem}
.free-item b{display:block;color:var(--gold);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px}
@media (max-width:900px){.free-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.free-strip{grid-template-columns:1fr 1fr}}