:root{--paper:#f7efe1;--paper2:#efe2cb;--wood:#7a4e2d;--wood-d:#5a3920;--ink:#2e2118;--muted:#7b6a5b;--gold:#c99a3b;--zalo:#0068ff;--line:#e0cfb3;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 "Be Vietnam Pro",system-ui,sans-serif;background-image:radial-gradient(rgba(122,78,45,.05) 1px,transparent 1px);background-size:4px 4px}
a{color:var(--wood)}img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:"Playfair Display",Georgia,serif;line-height:1.2;margin:0 0 .5em;color:var(--wood-d)}
h1{font-size:clamp(2rem,7vw,3.4rem)}h2{font-size:clamp(1.6rem,5vw,2.3rem);text-align:center}h3{font-size:1.2rem}
.wrap{max-width:1100px;margin:0 auto;padding:0 18px}.narrow{max-width:620px}
.muted{color:var(--muted)}.small{font-size:.88rem}.sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 1.6em}.mt{margin-top:2.2em}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:6px;z-index:99}
.topbar{position:sticky;top:0;z-index:20;background:rgba(247,239,225,.93);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--wood-d)}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--wood),var(--wood-d));color:var(--paper);display:grid;place-items:center;font:700 1.3rem "Playfair Display",serif;box-shadow:inset 0 0 0 2px rgba(255,255,255,.15)}
.brand-text{display:flex;flex-direction:column;line-height:1.05}.brand-text strong{font:700 1.15rem "Playfair Display",serif}.brand-text small{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.topnav{display:flex;gap:14px}.topnav a{text-decoration:none;font-size:.92rem;font-weight:500;color:var(--ink)}
@media(max-width:420px){.topnav a:nth-child(2){display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 18px;border-radius:999px;font:600 .95rem "Be Vietnam Pro",sans-serif;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(90,57,32,.18)}
.btn-wood{background:var(--wood);color:#fff8ec}.btn-zalo{background:var(--zalo);color:#fff}.btn-ghost{background:transparent;border-color:var(--wood);color:var(--wood)}
.btn-lg{padding:14px 22px;font-size:1rem}.btns{display:flex;flex-wrap:wrap;gap:10px;margin:1.2em 0;justify-content:center}
.hero{padding:28px 0 40px}.hero-grid{display:grid;gap:26px;align-items:center}
@media(min-width:860px){.hero-grid{grid-template-columns:1.05fr 1fr}.hero .btns{justify-content:flex-start}}
.hero h1 span{color:var(--wood);font-style:italic}.lead{font-size:1.08rem}
.pill{display:inline-block;background:var(--wood-d);color:#fff4df;padding:6px 14px;border-radius:999px;font-weight:600;font-size:.9rem;margin:0 0 14px}
.hero-img{margin:0;border-radius:18px;overflow:hidden;border:6px solid #fffaf1;box-shadow:0 12px 30px rgba(90,57,32,.25);transform:rotate(1deg)}
section{padding:44px 0}.why,.occasions{background:var(--paper2);border-block:1px solid var(--line)}
.cards3,.cards4{display:grid;gap:16px}@media(min-width:760px){.cards3{grid-template-columns:repeat(3,1fr)}.cards4{grid-template-columns:repeat(2,1fr)}}@media(min-width:1000px){.cards4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fffaf1;border:1px solid var(--line);border-radius:var(--r);padding:20px}.card p{margin:.3em 0}
.pkg{background:#fffaf1;border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column}
.pkg-hot{border:2px solid var(--gold);box-shadow:0 10px 26px rgba(201,154,59,.25)}
.pkg-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.pkg-head h3{margin:0}
.badge{background:var(--wood);color:#fff;font-size:.72rem;padding:3px 10px;border-radius:999px}.badge-gold{background:#f6e3b4;color:#7a5a12}
.price{font:700 2rem "Playfair Display",serif;color:var(--wood);margin:.4em 0 0}.price-sm{font-weight:700;color:var(--wood);font-size:1.25rem}
.pkg ul{list-style:none;padding:14px 0;margin:12px 0 16px;border-block:1px dashed var(--line);flex:1}.pkg li{padding:4px 0 4px 26px;position:relative}.pkg li:before{content:"✓";position:absolute;left:4px;color:var(--wood);font-weight:700}
.pkg-mini{max-width:520px;margin:22px auto 0}.pkg-mini summary{text-align:center;cursor:pointer;color:var(--muted);padding:8px}
.occ-ic{font-size:2rem}
.contact{text-align:center}
.footer{background:var(--wood-d);color:#ecdcc2;padding:28px 0;font-size:.92rem;text-align:center}.footer a{color:#ffe7bd}
.center-page{min-height:70vh;display:flex;align-items:center;text-align:center;padding:40px 0}
.big-emoji{font-size:3rem;margin:0}
.sess-code{display:inline-flex;flex-direction:column;background:#fffaf1;border:2px dashed var(--wood);border-radius:var(--r);padding:12px 26px;margin:10px 0}
.sess-code span{font-size:.85rem;color:var(--muted)}.sess-code strong{font:700 2rem ui-monospace,Menlo,monospace;letter-spacing:.2em;color:var(--wood-d)}
.loader{display:flex;gap:8px;justify-content:center;margin-bottom:16px}.loader span{width:12px;height:12px;border-radius:50%;background:var(--wood);animation:b 1.2s infinite ease-in-out}.loader span:nth-child(2){animation-delay:.2s}.loader span:nth-child(3){animation-delay:.4s}
@keyframes b{0%,80%,100%{transform:scale(.5);opacity:.4}40%{transform:scale(1);opacity:1}}