/* ============================================================
   Mợ Dung Nail Bar — shared design system
   Dark "noir" luxe: ink black + champagne gold
   ============================================================ */

:root{
  --ink:      #0c0c0e;
  --ink-2:    #141416;
  --ink-3:    #1b1b1f;
  --card:     #19191d;
  --gold:     #c6a36a;
  --gold-2:   #e3c892;
  --gold-soft: rgba(198,163,106,.14);
  --cream:    #f4efe6;
  --muted:    #a39f97;
  --muted-2:  #76736d;
  --line:     rgba(198,163,106,.18);
  --line-2:   rgba(255,255,255,.07);
  --shadow:   0 24px 60px rgba(0,0,0,.55);
  --serif:    "Cormorant Garamond", Georgia, serif;
  --sans:     "Poppins", system-ui, -apple-system, sans-serif;
  --maxw:     1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--cream);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.1;color:#fff}
.display{font-family:var(--serif);font-weight:600}
.eyebrow{
  font-family:var(--sans);font-weight:500;font-size:.74rem;letter-spacing:.32em;
  text-transform:uppercase;color:var(--gold);display:inline-block;margin-bottom:1rem;
}
.eyebrow::before{content:"";display:inline-block;width:26px;height:1px;background:var(--gold);
  vertical-align:middle;margin-right:.7em;opacity:.7}
.lead{font-size:1.12rem;color:var(--muted);font-weight:300;max-width:60ch}
.section{padding:clamp(64px,9vw,128px) 0}
.container{width:90%;max-width:var(--maxw);margin:0 auto}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

.gold{color:var(--gold)}
.serif-accent{font-family:var(--serif);font-style:italic;color:var(--gold-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--sans);font-weight:500;font-size:.82rem;letter-spacing:.14em;
  text-transform:uppercase;padding:1.05em 2.2em;border-radius:2px;cursor:pointer;
  border:1px solid var(--gold);transition:.35s cubic-bezier(.2,.7,.3,1);
}
.btn-gold{background:var(--gold);color:#16130c}
.btn-gold:hover{background:var(--gold-2);border-color:var(--gold-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--gold)}
.btn-ghost:hover{background:var(--gold);color:#16130c;transform:translateY(-2px)}
.btn-block{width:100%;justify-content:center}

/* ---------- top bar + header ---------- */
.topbar{
  background:var(--ink-2);border-bottom:1px solid var(--line-2);
  font-size:.76rem;letter-spacing:.06em;color:var(--muted);
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;
  gap:1rem;padding:.5rem 0;flex-wrap:wrap}
.topbar a:hover{color:var(--gold)}
.topbar .tb-right{display:flex;gap:1.4rem;align-items:center}

header.site{
  position:sticky;top:0;z-index:60;
  background:rgba(12,12,14,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:.4s;
}
header.site.scrolled{background:rgba(10,10,12,.94);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:1.05rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.brand .mark{
  width:42px;height:42px;border:1px solid var(--gold);border-radius:50%;
  display:grid;place-items:center;font-family:var(--serif);font-weight:700;
  color:var(--gold);font-size:1.25rem;flex:none;
}
.brand .bt{display:flex;flex-direction:column;line-height:1.05}
.brand .bt b{font-family:var(--serif);font-size:1.18rem;font-weight:600;color:#fff;letter-spacing:.02em}
.brand .bt span{font-size:.6rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);margin-top:2px}

.menu{display:flex;align-items:center;gap:2.1rem}
.menu a{font-size:.82rem;letter-spacing:.08em;color:var(--cream);font-weight:300;position:relative;padding:4px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:.3s}
.menu a:hover::after,.menu a.active::after{width:100%}
.menu a.active{color:var(--gold)}

.nav-cta{display:flex;align-items:center;gap:1rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--cream);transition:.3s}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:80;background:rgba(8,8,10,.98);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.6rem;
  opacity:0;pointer-events:none;transition:.4s}
.drawer.open{opacity:1;pointer-events:auto}
.drawer a{font-family:var(--serif);font-size:1.7rem;color:var(--cream)}
.drawer a.active{color:var(--gold)}
.drawer .x{position:absolute;top:24px;right:26px;font-size:2rem;color:var(--gold);background:none;border:0;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;
  background:
    radial-gradient(1100px 600px at 78% -8%, rgba(198,163,106,.16), transparent 60%),
    radial-gradient(900px 700px at 12% 110%, rgba(198,163,106,.08), transparent 55%),
    linear-gradient(180deg,#0c0c0e,#121013);
  overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'><circle cx='1' cy='1' r='1' fill='%23c6a36a' opacity='0.10'/></svg>");
  opacity:.5;pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:clamp(2.9rem,7vw,5.6rem);letter-spacing:.01em}
.hero h1 em{font-style:italic;color:var(--gold-2)}
.hero p{margin:1.6rem 0 2.4rem;font-size:1.15rem;color:var(--muted);max-width:48ch}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-meta{margin-top:3rem;display:flex;gap:2.4rem;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:1.8rem}
.hero-meta .m b{font-family:var(--serif);font-size:2rem;color:var(--gold);display:block}
.hero-meta .m span{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ---------- service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.4rem;margin-top:3rem}
.svc-card{background:var(--card);border:1px solid var(--line-2);border-radius:6px;overflow:hidden;
  transition:.4s;position:relative}
.svc-card:hover{border-color:var(--line);transform:translateY(-6px);box-shadow:var(--shadow)}
.svc-art{height:180px;position:relative;display:grid;place-items:center;overflow:hidden}
.svc-art .glyph{font-size:3.2rem;filter:drop-shadow(0 6px 12px rgba(0,0,0,.4))}
.svc-body{padding:1.5rem 1.6rem 1.8rem}
.svc-body h3{font-size:1.5rem;display:flex;justify-content:space-between;align-items:baseline;gap:.6rem}
.svc-body h3 .price{font-family:var(--sans);font-weight:600;font-size:1.05rem;color:var(--gold)}
.svc-body p{color:var(--muted);font-size:.92rem;margin-top:.5rem}
.svc-tag{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);
  border:1px solid var(--line);border-radius:20px;padding:.2em .9em;position:absolute;top:14px;left:14px;
  background:rgba(12,12,14,.6)}

/* ---------- values / features ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.6rem;margin-top:3rem}
.feat{padding:2rem 1.6rem;border:1px solid var(--line-2);border-radius:6px;background:var(--ink-2);transition:.35s}
.feat:hover{border-color:var(--line);background:var(--ink-3)}
.feat .ico{width:52px;height:52px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;
  font-size:1.4rem;margin-bottom:1.2rem}
.feat h4{font-size:1.35rem;margin-bottom:.5rem}
.feat p{color:var(--muted);font-size:.92rem}

/* ---------- split / about ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.split-art{aspect-ratio:4/5;border-radius:8px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#26221b,#15141a);border:1px solid var(--line)}
.split-art .frame{position:absolute;inset:18px;border:1px solid var(--line);border-radius:4px}
.split-art .big{position:absolute;inset:0;display:grid;place-items:center;font-size:6rem;opacity:.85}
.split ul.checks{margin-top:1.6rem;display:grid;gap:.9rem}
.split ul.checks li{padding-left:1.8rem;position:relative;color:var(--muted)}
.split ul.checks li::before{content:"✦";position:absolute;left:0;color:var(--gold)}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-top:3rem}
.tile{aspect-ratio:1;border-radius:6px;position:relative;overflow:hidden;border:1px solid var(--line-2);
  display:grid;place-items:end;cursor:default;transition:.4s}
.tile:hover{transform:scale(1.02);border-color:var(--line)}
.tile .cap{position:relative;z-index:2;width:100%;padding:1rem;font-family:var(--serif);font-size:1.25rem;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.65))}
.tile .swatch{position:absolute;inset:0}
.tile.tall{aspect-ratio:3/4}

/* ---------- testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.4rem;margin-top:3rem}
.quote{background:var(--ink-2);border:1px solid var(--line-2);border-radius:6px;padding:2rem 1.8rem}
.quote .stars{color:var(--gold);letter-spacing:.2em;margin-bottom:1rem}
.quote p{font-family:var(--serif);font-style:italic;font-size:1.25rem;color:#fff;line-height:1.4}
.quote .who{margin-top:1.2rem;font-size:.84rem;letter-spacing:.08em;color:var(--muted)}
.quote .who b{color:var(--gold);font-weight:500;font-family:var(--sans)}

/* ---------- CTA band ---------- */
.cta-band{background:
   radial-gradient(800px 400px at 50% 0%,rgba(198,163,106,.16),transparent 60%),var(--ink-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.cta-band h2{font-size:clamp(2.2rem,5vw,3.6rem)}
.cta-band p{margin:1rem auto 2rem;max-width:46ch;color:var(--muted)}

/* ---------- contact / info strip ---------- */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.4rem}
.info{padding:2rem 1.6rem;border:1px solid var(--line-2);border-radius:6px;background:var(--ink-2)}
.info .ico{font-size:1.6rem;color:var(--gold);margin-bottom:.8rem}
.info h4{font-size:1.3rem;margin-bottom:.5rem}
.info p,.info a{color:var(--muted);font-size:.95rem}
.info a:hover{color:var(--gold)}
.hours-list{display:grid;gap:.4rem;margin-top:.4rem}
.hours-list .row{display:flex;justify-content:space-between;color:var(--muted);font-size:.9rem;
  border-bottom:1px dashed var(--line-2);padding-bottom:.3rem}
.hours-list .row b{color:var(--cream);font-weight:400}

/* ---------- forms ---------- */
.form{display:grid;gap:1.1rem}
.field label{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold);margin-bottom:.5rem}
.field input,.field select,.field textarea{
  width:100%;background:var(--ink);border:1px solid var(--line-2);border-radius:4px;
  color:var(--cream);font-family:var(--sans);font-size:.96rem;padding:.95em 1em;transition:.25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold)}
.field textarea{min-height:130px;resize:vertical}
.field select{appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%23c6a36a' fill='none' stroke-width='1.5'/></svg>");
  background-repeat:no-repeat;background-position:right 1em center}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.85rem;color:var(--muted)}
.check input{width:18px;height:18px;flex:none;accent-color:var(--gold);margin-top:3px}

/* ---------- footer ---------- */
footer.site{background:var(--ink-2);border-top:1px solid var(--line);padding:4rem 0 2rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.4rem}
footer.site h5{font-family:var(--serif);font-size:1.3rem;color:#fff;margin-bottom:1.1rem}
footer.site p{color:var(--muted);font-size:.9rem}
.foot-links{display:grid;gap:.6rem}
.foot-links a{color:var(--muted);font-size:.9rem}
.foot-links a:hover{color:var(--gold)}
.socials{display:flex;gap:.8rem;margin-top:1.2rem}
.socials a{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;
  color:var(--gold);transition:.3s}
.socials a:hover{background:var(--gold);color:#16130c}
.foot-bottom{border-top:1px solid var(--line-2);margin-top:3rem;padding-top:1.6rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--muted-2);font-size:.8rem}

/* ---------- page hero (inner pages) ---------- */
.page-hero{padding:clamp(90px,14vw,150px) 0 clamp(50px,7vw,80px);text-align:center;position:relative;
  background:radial-gradient(900px 420px at 50% -10%,rgba(198,163,106,.14),transparent 60%),var(--ink-2);
  border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.4rem)}
.page-hero p{color:var(--muted);margin-top:1rem}
.crumb{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}

/* ---------- services menu (full list) ---------- */
.menu-block{margin-top:3rem}
.menu-block h3{font-size:1.9rem;border-bottom:1px solid var(--line);padding-bottom:.7rem;margin-bottom:1.4rem;
  display:flex;align-items:center;gap:.7rem}
.menu-block h3 .em{font-size:1.5rem}
.price-list{display:grid;gap:.2rem}
.price-row{display:flex;align-items:baseline;gap:1rem;padding:.8rem 0;border-bottom:1px dashed var(--line-2)}
.price-row .nm{font-family:var(--serif);font-size:1.3rem;color:#fff}
.price-row .ds{color:var(--muted);font-size:.86rem;flex:1;min-width:120px}
.price-row .dots{flex:1;border-bottom:1px dotted var(--muted-2);margin:0 .3rem;transform:translateY(-4px);min-width:20px}
.price-row .pr{font-weight:600;color:var(--gold);white-space:nowrap}
.note{color:var(--muted-2);font-size:.85rem;margin-top:1rem;font-style:italic}

/* ============================================================
   Booking flow
   ============================================================ */
.booking{max-width:780px;margin:0 auto}
.steps{display:flex;justify-content:center;gap:0;margin:0 auto 3rem;max-width:560px}
.step-dot{flex:1;text-align:center;position:relative;color:var(--muted-2)}
.step-dot::before{content:"";position:absolute;top:18px;left:-50%;width:100%;height:1px;background:var(--line-2);z-index:0}
.step-dot:first-child::before{display:none}
.step-dot .n{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);background:var(--ink);
  display:grid;place-items:center;margin:0 auto .6rem;position:relative;z-index:1;font-weight:500;transition:.3s}
.step-dot .lb{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}
.step-dot.active .n{border-color:var(--gold);color:var(--gold)}
.step-dot.done .n{background:var(--gold);border-color:var(--gold);color:#16130c}
.step-dot.active,.step-dot.done{color:var(--cream)}

.bstep{display:none;animation:fade .4s ease}
.bstep.show{display:block}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.pick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.pick{border:1px solid var(--line-2);border-radius:6px;padding:1.3rem;cursor:pointer;background:var(--ink-2);transition:.25s;position:relative}
.pick:hover{border-color:var(--line)}
.pick.sel{border-color:var(--gold);background:var(--ink-3);box-shadow:0 0 0 1px var(--gold) inset}
.pick .pt{font-family:var(--serif);font-size:1.35rem;color:#fff;display:flex;justify-content:space-between;gap:.5rem}
.pick .pt .pr{font-family:var(--sans);font-size:.95rem;font-weight:600;color:var(--gold)}
.pick .pd{color:var(--muted);font-size:.85rem;margin-top:.3rem}
.pick .dur{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-top:.7rem;display:inline-block}

.slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:.7rem;margin-top:1.4rem}
.slot{border:1px solid var(--line-2);border-radius:4px;padding:.7em;text-align:center;cursor:pointer;
  font-size:.9rem;background:var(--ink-2);transition:.2s}
.slot:hover{border-color:var(--line)}
.slot.sel{background:var(--gold);color:#16130c;border-color:var(--gold)}
.slot.off{opacity:.3;pointer-events:none;text-decoration:line-through}

.b-actions{display:flex;justify-content:space-between;gap:1rem;margin-top:2.4rem}
.summary-box{background:var(--ink-2);border:1px solid var(--line);border-radius:6px;padding:1.6rem;margin-bottom:1.6rem}
.summary-box .sr{display:flex;justify-content:space-between;padding:.55rem 0;border-bottom:1px dashed var(--line-2);font-size:.95rem}
.summary-box .sr:last-child{border-bottom:0}
.summary-box .sr span:first-child{color:var(--muted)}
.summary-box .sr b{color:var(--gold);font-weight:500}

.success{text-align:center;padding:2rem 0}
.success .ok{width:84px;height:84px;border-radius:50%;border:2px solid var(--gold);display:grid;place-items:center;
  font-size:2.6rem;color:var(--gold);margin:0 auto 1.6rem}
.success h2{font-size:2.4rem}
.success p{color:var(--muted);max-width:42ch;margin:1rem auto 0}

/* ---------- reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:.8s cubic-bezier(.2,.7,.3,1)}
[data-reveal].in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:880px){
  .menu,.nav-cta .btn{display:none}
  .burger{display:flex}
  .split{grid-template-columns:1fr}
  .split-art{order:-1;max-width:440px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr}
  .hero{min-height:auto;padding:120px 0 80px}
}
@media(max-width:560px){
  .topbar .tb-left{display:none}
  .foot-grid{grid-template-columns:1fr}
  .hero-meta{gap:1.4rem}
  .step-dot .lb{display:none}
  .b-actions{flex-direction:column-reverse}
  .b-actions .btn{width:100%;justify-content:center}
}