/* Gia An V1 — trang Không gian: hero, tab lọc dính, masonry lazy, lightbox dùng chung (rooms.css) */
.phero{position:relative;min-height:62svh;display:grid;align-items:end;padding:140px var(--gutter) 60px;color:var(--white);overflow:hidden}
.phero__bg{position:absolute;inset:0}
.phero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 55%}
.phero__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(42,21,16,.55),rgba(42,21,16,.15) 40%,rgba(42,21,16,.78))}
.phero__c{position:relative;z-index:2;max-width:760px}
.phero__title{font-family:var(--display);font-weight:400;font-size:clamp(44px,7vw,96px);line-height:.98;margin:6px 0 16px}
.phero__lead{font-size:clamp(17px,1.4vw,21px);max-width:54ch;opacity:.92}

/* sticky filter tabs */
.gtabs{position:sticky;top:0;z-index:40;background:rgba(243,236,226,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(42,21,16,.1)}
.gtabs__track{display:flex;gap:4px;padding:0 var(--gutter);overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.gtabs__track::-webkit-scrollbar{display:none}
.gtab{flex:0 0 auto;display:flex;align-items:baseline;gap:7px;white-space:nowrap;padding:17px 14px 15px;font-family:var(--sans);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);border-bottom:2px solid transparent;transition:color .3s,border-color .3s}
.gtab small{font-size:10px;letter-spacing:.06em;color:var(--gold);font-variant-numeric:tabular-nums}
.gtab:hover{color:var(--ink)}
.gtab.is-active{color:var(--ink);border-color:var(--gold)}
.gtab:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}

/* status line */
.gwrap{padding:clamp(28px,4vw,48px) var(--gutter) clamp(60px,8vw,110px)}
.gstatus{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:baseline;font-family:var(--sans);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 22px;max-width:none}
.gstatus b{font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums}
.gstatus__sep{opacity:.5}
.gstatus__hint{text-transform:none;letter-spacing:.08em}

/* masonry: JS packs figures into the shortest column */
.mz{--cols:4;--gap:14px;display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:var(--gap);align-items:start;min-height:40vh}
.mz__col{display:grid;gap:var(--gap);align-content:start;min-width:0}
.mz figure{margin:0;position:relative;aspect-ratio:var(--r,3/2);overflow:hidden;border-radius:3px;background:var(--cream-2);animation:mzin .7s var(--ease) both}
.mz figure button{display:block;width:100%;height:100%;padding:0;border:0;cursor:zoom-in;background:none}
.mz figure img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transform:scale(1.03);transition:opacity .8s var(--ease),transform 1.6s var(--ease)}
.mz figure img.is-loaded{opacity:1;transform:none}
.mz figure:hover img.is-loaded{transform:scale(1.04)}
.mz figure button:focus-visible{outline:2px solid var(--gold);outline-offset:-3px}
.mz figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-family:var(--sans);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:#fff;background:linear-gradient(0deg,rgba(42,21,16,.65),transparent);opacity:0;transition:opacity .4s;pointer-events:none}
.mz figure:hover figcaption{opacity:1}
@keyframes mzin{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* load more */
.gmore{display:grid;justify-items:center;gap:14px;margin-top:clamp(28px,4vw,44px)}
.btn--ink{color:var(--ink);border-color:rgba(42,21,16,.45)}
.btn--ink:hover{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.gmore__end{font-family:var(--sans);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);max-width:none}
.gmore__end[hidden]{display:none}

/* dark cta band */
.rnote{padding:clamp(50px,7vw,90px) var(--gutter);background:var(--ink);color:var(--cream);display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.rnote__title{font-family:var(--display);font-weight:400;font-size:clamp(30px,3.4vw,48px);line-height:1.05;margin-bottom:12px}
.rnote p{font-size:19px;max-width:60ch;font-weight:300;opacity:.9}
.rnote__actions{display:flex;gap:12px 28px;flex-wrap:wrap;align-items:center}
.rnote .btn--pill{border-color:rgba(243,236,226,.5)}

/* nav current */
.nav__links a.is-current{opacity:1}
.nav__links a.is-current::after{transform:scaleX(1);transform-origin:left}

@media (max-width:1280px){.mz{--cols:3}}
@media (max-width:880px){.mz{--cols:2}}
@media (max-width:680px){
  .phero__shade{background:linear-gradient(180deg,rgba(42,21,16,.62),rgba(42,21,16,.45) 40%,rgba(42,21,16,.88))}
  .phero{min-height:52svh;padding:120px var(--gutter) 44px}
  .gtab{padding:15px 11px 13px;font-size:10px;letter-spacing:.18em}
  .mz{--gap:8px}
  .mz figure{border-radius:2px}
  .mz figure figcaption{display:none}
  .gstatus__hint,.gstatus__sep{display:none}
  .rnote{grid-template-columns:1fr}
}
@media (max-width:420px){.mz{--cols:2}}
@media (prefers-reduced-motion:reduce){.mz figure,.mz figure img{animation:none;transition:none}.mz figure img{opacity:1;transform:none}}

.gtabs{overflow:hidden;max-width:100vw}
.gtabs__track{max-width:100%}