/* ===== Mợ Dung Restaurant — shared styles ===== */
:root{
  --ink:#1c1714;          /* than đậm */
  --ink-soft:#3a322c;
  --cream:#f6efe4;        /* kem giấy */
  --cream-2:#efe6d6;
  --paper:#fbf7f0;
  --clay:#b5532b;         /* đất nung */
  --clay-dark:#8f3f1f;
  --gold:#b0894f;         /* nâu vàng */
  --sage:#5d6b53;         /* xanh rêu */
  --line:rgba(28,23,20,.14);
  --shadow:0 24px 60px -28px rgba(28,23,20,.5);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Jost','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);
  background:var(--paper);line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.08;margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.eyebrow{font-family:var(--sans);font-size:12.5px;letter-spacing:.32em;
  text-transform:uppercase;color:var(--clay);font-weight:600}
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--sans);
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  padding:15px 30px;border-radius:999px;border:1px solid var(--ink);
  background:var(--ink);color:var(--cream);transition:.25s;cursor:pointer}
.btn:hover{background:transparent;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--cream)}
.btn--clay{background:var(--clay);border-color:var(--clay);color:#fff}
.btn--clay:hover{background:transparent;color:var(--clay)}

/* ===== Top bar ===== */
.topbar{background:var(--ink);color:var(--cream);font-size:12.5px;
  letter-spacing:.04em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;
  padding-top:9px;padding-bottom:9px;gap:18px;flex-wrap:wrap}
.topbar a:hover{color:var(--clay)}
.topbar .sep{opacity:.4;margin:0 4px}

/* ===== Header / nav ===== */
.site-head{position:sticky;top:0;z-index:40;background:rgba(251,247,240,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;
  padding-top:18px;padding-bottom:18px}
.brand{font-family:var(--serif);font-size:26px;font-weight:600;letter-spacing:.02em;
  display:flex;flex-direction:column;line-height:1}
.brand small{font-family:var(--sans);font-size:10px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--gold);margin-top:5px;font-weight:600}
.nav{display:flex;align-items:center;gap:30px;font-size:13px;letter-spacing:.13em;
  text-transform:uppercase;font-weight:500}
.nav a{padding:6px 0;border-bottom:2px solid transparent;transition:.2s}
.nav a:hover,.nav a.active{border-color:var(--clay)}
.nav .btn{padding:11px 22px}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}

/* ===== Hero ===== */
.hero{position:relative;min-height:84vh;display:flex;align-items:flex-end;
  color:var(--cream);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,13,.25) 0%,rgba(20,16,13,.78) 100%)}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .wrap{position:relative;z-index:2;padding-bottom:64px;padding-top:80px}
.hero .eyebrow{color:#e7b98f}
.hero h1{font-size:clamp(46px,8vw,92px);margin:14px 0 18px;max-width:14ch}
.hero p{max-width:46ch;font-size:18px;color:rgba(246,239,228,.9)}
.hero .cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero .btn{border-color:var(--cream)}
.hero .btn--ghost{color:var(--cream)}
.hero .btn--ghost:hover{background:var(--cream);color:var(--ink)}

/* ===== Sections ===== */
section{padding:96px 0}
.section-head{max-width:64ch;margin-bottom:52px}
.section-head h2{font-size:clamp(34px,5vw,56px);margin:14px 0 0}
.lead{font-size:19px;color:var(--ink-soft)}

/* dual concept */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card .ph{aspect-ratio:4/3;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:.6s}
.card:hover .ph img{transform:scale(1.06)}
.card .body{padding:30px 30px 34px}
.card h3{font-size:30px;margin-bottom:8px}
.card .meta{font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin-bottom:14px}
.card p{color:var(--ink-soft);margin:0 0 22px}

/* about split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.split.alt{grid-template-columns:.95fr 1.05fr}
.split .frame{border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:4/5}
.split .frame img{width:100%;height:100%;object-fit:cover}
.split h2{font-size:clamp(32px,4.5vw,50px);margin:16px 0 18px}
.split p{color:var(--ink-soft);margin:0 0 18px}
.sign{font-family:var(--serif);font-size:30px;font-style:italic;color:var(--clay)}

/* tone bands */
.band{background:var(--ink);color:var(--cream)}
.band .eyebrow{color:#e7b98f}
.band .lead{color:rgba(246,239,228,.82)}
.band-cream{background:var(--cream)}

/* signature strip */
.sig{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sig .item{text-align:center;padding:14px}
.sig .item .num{font-family:var(--serif);font-size:46px;color:var(--clay);line-height:1}
.sig .item h4{font-size:22px;margin:14px 0 8px}
.sig .item p{color:rgba(246,239,228,.72);font-size:15px;margin:0}

/* hours / contact */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.hours-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.hours-list li{display:flex;justify-content:space-between;gap:20px;
  padding:15px 0;border-bottom:1px solid var(--line)}
.hours-list .d{font-weight:600}
.hours-list .t{color:var(--ink-soft)}
.contact-line{display:flex;gap:14px;align-items:flex-start;padding:13px 0;
  border-bottom:1px solid var(--line)}
.contact-line .k{min-width:96px;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold);font-weight:600;padding-top:3px}
.map{border-radius:18px;overflow:hidden;box-shadow:var(--shadow);min-height:340px}
.map iframe{width:100%;height:100%;min-height:340px;border:0;display:block}

/* form */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gold);font-weight:600;display:block;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;padding:13px 15px;
  border:1px solid var(--line);border-radius:10px;background:var(--paper);
  font-family:var(--sans);font-size:15px;color:var(--ink)}
.form textarea{min-height:110px;resize:vertical}
.form .note{font-size:13px;color:var(--ink-soft)}

/* ===== Footer ===== */
.foot{background:var(--ink);color:var(--cream);padding:70px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(246,239,228,.16)}
.foot .brand{color:var(--cream)}
.foot p{color:rgba(246,239,228,.7);font-size:15px;margin:14px 0 0}
.foot h5{font-family:var(--sans);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:#e7b98f;margin:0 0 16px}
.foot ul{list-style:none;margin:0;padding:0}
.foot ul li{margin-bottom:10px;font-size:15px;color:rgba(246,239,228,.78)}
.foot ul a:hover{color:var(--clay)}
.socials{display:flex;gap:14px;margin-top:18px}
.socials a{width:40px;height:40px;border:1px solid rgba(246,239,228,.3);
  border-radius:50%;display:grid;place-items:center;transition:.25s}
.socials a:hover{background:var(--clay);border-color:var(--clay)}
.socials svg{width:18px;height:18px;fill:var(--cream)}
.foot-bottom{padding-top:24px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(246,239,228,.6)}

.reveal{opacity:0;transform:translateY(26px);transition:.8s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:860px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(320px,82vw);background:var(--paper);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:22px;
    padding:40px;transform:translateX(100%);transition:.35s;box-shadow:var(--shadow);
    font-size:16px}
  .nav.open{transform:none}
  .burger{display:block;z-index:50}
  .duo,.split,.split.alt,.sig,.info-grid,.foot-grid,.form .row{grid-template-columns:1fr}
  .split.alt .frame{order:-1}
  section{padding:70px 0}
  .topbar .wrap{justify-content:center;text-align:center}
}