:root{
  --ground:#FFFFFF;
  --surface:#FFFFFF;
  --surface-2:#F3F6F3;
  --ink:#182420;
  --ink-soft:#4E5A4C;
  --ink-faint:#7C8577;
  --forest:#0F7A45;
  --forest-bright:#1E9457;
  --forest-pale:#E7F5EC;
  --indigo:#2B3A5E;
  --indigo-pale:#E4E7F0;
  --gold:#B9862E;
  --gold-bright:#D9A94A;
  --clay:#A85426;
  --clay-bright:#C97440;
  --line:rgba(24,36,32,.12);
  --line-strong:rgba(24,36,32,.22);
  --shadow:0 24px 48px -24px rgba(20,28,22,.22);
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#10160E;
    --surface:#171F16;
    --surface-2:#1F2A1D;
    --ink:#ECE7D4;
    --ink-soft:#B7BFAC;
    --ink-faint:#82897C;
    --forest:#6FBE96;
    --forest-bright:#8CD1AE;
    --forest-pale:#1C2E22;
    --indigo:#8C9EDD;
    --indigo-pale:#1C2333;
    --gold:#E3BE68;
    --gold-bright:#F0D08C;
    --clay:#E28A55;
    --clay-bright:#EFA477;
    --line:rgba(236,231,212,.16);
    --line-strong:rgba(236,231,212,.28);
    --shadow:0 24px 48px -24px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --ground:#10160E;
  --surface:#171F16;
  --surface-2:#1F2A1D;
  --ink:#ECE7D4;
  --ink-soft:#B7BFAC;
  --ink-faint:#82897C;
  --forest:#6FBE96;
  --forest-bright:#8CD1AE;
  --forest-pale:#1C2E22;
  --indigo:#8C9EDD;
  --indigo-pale:#1C2333;
  --gold:#E3BE68;
  --gold-bright:#F0D08C;
  --clay:#E28A55;
  --clay-bright:#EFA477;
  --line:rgba(236,231,212,.16);
  --line-strong:rgba(236,231,212,.28);
  --shadow:0 24px 48px -24px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ground);
  color:var(--ink);
  font-family:'Be Vietnam Pro',system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{font-family:'Fraunces',serif;margin:0;text-wrap:balance;color:var(--ink);}
p{margin:0;}
.eyebrow{
  font-family:'Be Vietnam Pro',sans-serif;
  font-weight:600;
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--forest-bright);
}
:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px;border-radius:4px;}
.wrap{max-width:1180px;margin:0 auto;padding-left:28px;padding-right:28px;}
/* pages whose main content is a bare .wrap (not a <section>, which already
   carries 96px vertical padding) need their own breathing room before the
   footer — matches any top-level content .wrap that precedes the footer,
   without touching nav/breadcrumb/topbar wraps nested elsewhere. */
body > .wrap:not(.stats):has(~ footer){padding-bottom:88px;}
@media(max-width:640px){.wrap{padding-left:18px;padding-right:18px;}}

/* ============ TOPBAR ============ */
.topbar{
  background:var(--forest);
  color:#EFEAD4;
}
.topbar-inner{
  display:flex;align-items:center;gap:14px;
  padding:8px 0;
  font-size:.78rem;
}
.topbar .emblem{
  width:22px;height:22px;flex:none;
}
.topbar-title{
  font-weight:600;letter-spacing:.03em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar-title b{font-weight:700;color:var(--gold-bright);}
.topbar-links{margin-left:auto;display:flex;gap:18px;align-items:center;color:rgba(239,234,212,.82);}
.topbar-links a{white-space:nowrap;}
.topbar-links a:hover{color:#fff;}
@media(max-width:760px){.topbar-links{display:none;}}

/* ============ NAV ============ */
.nav{
  position:sticky;top:0;z-index:40;
  background:var(--ground);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:32px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:700;font-size:1.28rem;color:var(--ink);}
.brand .mark{width:34px;height:34px;flex:none;}
.brand small{display:block;font-family:'Be Vietnam Pro',sans-serif;font-weight:500;font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);}
.navlinks{display:flex;gap:26px;margin-left:12px;font-size:.92rem;font-weight:500;color:var(--ink-soft);}
.navlinks a{position:relative;padding:6px 0;}
.navlinks a:hover{color:var(--ink);}
.navlinks a.active{color:var(--forest);}
.navlinks a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gold);border-radius:2px;}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:14px;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:100px;
  font-weight:600;font-size:.88rem;
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn svg{width:16px;height:16px;flex:none;}
.btn-primary{background:var(--forest);color:#F3EFDD;}
.btn-primary:hover{background:var(--forest-bright);transform:translateY(-1px);}
.btn-ghost{border-color:var(--line-strong);color:var(--ink-soft);}
.btn-ghost:hover{border-color:var(--forest);color:var(--forest);}
.navmenu-toggle{display:none;background:none;border:0;color:var(--ink);padding:6px;}
@media(max-width:900px){
  .navlinks{
    display:none;flex-direction:column;gap:0;margin-left:0;
    position:absolute;top:100%;left:0;right:0;
    background:var(--ground);border-bottom:1px solid var(--line);
    padding:8px 0;box-shadow:var(--shadow);
  }
  .navlinks a{padding:13px 28px;width:100%;}
  .nav.menu-open .navlinks{display:flex;}
  .navmenu-toggle{display:block;}
  .nav-cta .btn-ghost{display:none;}
}
@media(max-width:520px){
  .nav-cta .btn-primary{padding:9px 14px;font-size:.8rem;}
}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#FBF6E4 0%,#F3ECC9 34%,#FFFFFF 100%);}
:root[data-theme="dark"] .hero,:root:not([data-theme="light"]) .hero{background:linear-gradient(180deg,#243421 0%,#1B2A1A 45%,var(--ground) 100%);}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero{background:linear-gradient(180deg,#243421 0%,#1B2A1A 45%,var(--ground) 100%);}}
.hero-scene{position:relative;height:min(72vh,640px);min-height:460px;}
.hero-layer{position:absolute;inset:0;will-change:transform;transition:transform .25s ease-out;}
.hero-hill-back{background:var(--forest);clip-path:polygon(0 62%,14% 52%,30% 58%,46% 44%,62% 54%,80% 42%,100% 52%,100% 100%,0 100%);opacity:.28;}
.hero-hill-mid{background:var(--forest);clip-path:polygon(0 74%,18% 62%,34% 70%,52% 56%,70% 68%,86% 58%,100% 66%,100% 100%,0 100%);opacity:.5;}
.hero-tea{position:absolute;left:0;right:0;bottom:22%;height:30%;background:repeating-linear-gradient(115deg,var(--forest-bright) 0 10px,var(--forest) 10px 22px);opacity:.55;clip-path:polygon(0 40%,100% 15%,100% 100%,0 100%);}
.hero-river{position:absolute;left:0;right:0;bottom:0;height:24%;background:linear-gradient(180deg,var(--clay) 0%,var(--gold) 55%,var(--clay-bright) 100%);opacity:.85;clip-path:polygon(0 46%,12% 40%,26% 52%,40% 38%,55% 50%,70% 36%,85% 48%,100% 40%,100% 100%,0 100%);}
.hero-sun{position:absolute;right:12%;top:14%;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,var(--gold-bright) 0%,rgba(217,169,74,0) 70%);opacity:.85;}
.hero-content{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;justify-content:center;gap:22px;
  padding:40px 0 80px;
}
.hero-content h1{font-size:clamp(2.4rem,5.4vw,4.1rem);font-weight:700;line-height:1.06;color:var(--ink);max-width:14ch;}
:root[data-theme="dark"] .hero-content h1,:root:not([data-theme="light"]) .hero-content h1{color:#F3EFDD;}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero-content h1{color:#F3EFDD;}}
.hero-content .eyebrow{color:var(--clay);}
:root[data-theme="dark"] .hero-content .eyebrow,:root:not([data-theme="light"]) .hero-content .eyebrow{color:var(--gold-bright);}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero-content .eyebrow{color:var(--gold-bright);}}
.hero-content p.lede{max-width:46ch;font-size:1.08rem;color:var(--ink-soft);}
:root[data-theme="dark"] .hero-content p.lede,:root:not([data-theme="light"]) .hero-content p.lede{color:#D7DCCB;}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero-content p.lede{color:#D7DCCB;}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:6px;}
.btn-clay{background:var(--clay);color:#FBF3E8;}
.btn-clay:hover{background:var(--clay-bright);transform:translateY(-1px);}
.btn-outline{border-color:rgba(26,36,32,.35);color:var(--ink);}
:root[data-theme="dark"] .btn-outline,:root:not([data-theme="light"]) .btn-outline{border-color:rgba(236,231,212,.4);color:#F3EFDD;}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-outline{border-color:rgba(236,231,212,.4);color:#F3EFDD;}}
.btn-outline:hover{background:rgba(255,255,255,.18);}

/* quick-access strip overlapping hero */
.stats{
  position:relative;z-index:3;margin-top:-56px;
}
@media(max-width:760px){
  /* on narrow screens the hero's illustrated hill layer can show a sliver
     above the card in the overlap zone — drop the overlap instead of
     fighting the illustration pixel-by-pixel per viewport width */
  .stats{margin-top:20px;}
}
.quicknav{
  background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
}
.qn-item{
  display:flex;align-items:center;gap:14px;
  padding:20px 20px;
  border:none;border-right:1px solid var(--line);
  background:none;
  text-align:left;color:var(--ink);width:100%;
  transition:background .15s ease;
}
.qn-item:last-child{border-right:none;}
.qn-item:hover{background:var(--forest-pale);}
.qn-icon{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--forest-pale);color:var(--forest);
  transition:background .15s ease,color .15s ease;
}
.qn-icon svg{width:19px;height:19px;}
.qn-item:hover .qn-icon{background:var(--forest);color:#fff;}
.qn-text{flex:1;min-width:0;}
.qn-label{display:block;font-weight:600;font-size:.94rem;color:var(--ink);}
.qn-sub{display:block;font-size:.75rem;color:var(--ink-faint);margin-top:1px;}
.qn-arrow{flex:none;color:var(--ink-faint);transition:transform .15s ease,color .15s ease;}
.qn-item:hover .qn-arrow{transform:translateX(3px);color:var(--forest);}
@media(max-width:760px){
  .quicknav{grid-template-columns:repeat(2,1fr);}
  .qn-item:nth-child(2){border-right:none;}
  .qn-item:nth-child(3),.qn-item:nth-child(4){border-top:1px solid var(--line);}
}

/* compact facts row inside intro section */
.intro-facts{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);}
.intro-facts span{font-weight:600;font-size:.92rem;color:var(--ink);font-variant-numeric:tabular-nums;}
.intro-facts span i{font-style:normal;font-weight:400;color:var(--ink-faint);font-size:.82rem;margin-left:3px;}

/* ============ SECTION SCAFFOLD ============ */
section{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:42px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:600;margin-top:8px;}
.section-head .sub{max-width:52ch;color:var(--ink-soft);margin-top:10px;}
.section-link{font-weight:600;font-size:.9rem;color:var(--forest);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
:root[data-theme="dark"] .section-link,:root:not([data-theme="light"]) .section-link{color:var(--forest-bright);}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .section-link{color:var(--forest-bright);}}
.section-link:hover{gap:10px;}

/* ============ DESTINATION GRID ============ */
/* .dest-card is the shared card shell, reused by .dest-grid-3 (national
   feature grid) and .dest-grid-5 (general attractions) below — it has no
   bento/asymmetric span logic of its own, each grid container is a plain
   uniform grid so cards never depend on their position/index. */
.dest-card{
  border-radius:var(--radius-md);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.dest-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.dest-media{position:relative;aspect-ratio:4/3;overflow:hidden;}
.dest-media .scene{position:absolute;inset:0;}
.dest-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(16,22,14,.55);backdrop-filter:blur(6px);
  color:#F3EFDD;font-size:.68rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  padding:5px 10px;border-radius:100px;display:flex;align-items:center;gap:5px;
}
.dest-tag svg{width:12px;height:12px;}
.dest-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:6px;flex:1;}
.dest-body h3{font-size:1.12rem;font-weight:600;}
.dest-body p{font-size:.88rem;color:var(--ink-soft);}
.dest-body .go{margin-top:auto;padding-top:10px;font-size:.82rem;font-weight:600;color:var(--forest);display:flex;align-items:center;gap:5px;}
:root[data-theme="dark"] .dest-body .go,:root:not([data-theme="light"]) .dest-body .go{color:var(--forest-bright);}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .dest-body .go{color:var(--forest-bright);}}

/* scene gradient variants for illustration cards */
.scene-river{background:linear-gradient(160deg,#E7D9A4 0%,#D9A94A 42%,#A85426 100%);}
.scene-river::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(100deg,rgba(255,255,255,.18) 0 3px,transparent 3px 26px);}
.scene-tea{background:linear-gradient(165deg,var(--forest-bright) 0%,var(--forest) 70%);}
.scene-tea::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(120deg,rgba(255,255,255,.14) 0 6px,transparent 6px 18px);}
.scene-dinh{background:linear-gradient(165deg,#B9862E 0%,#7C5A22 100%);}
.scene-dinh::before{content:"";position:absolute;left:50%;bottom:18%;width:64%;height:40%;transform:translateX(-50%);background:#F1EEDC0f;clip-path:polygon(0 100%,8% 40%,50% 0,92% 40%,100% 100%);border:2px solid rgba(241,238,220,.5);border-bottom:none;}
.scene-non{background:linear-gradient(165deg,#D9A94A 0%,#A85426 100%);}
.scene-non::before{content:"";position:absolute;left:50%;bottom:20%;width:56%;aspect-ratio:2/1;transform:translateX(-50%);border-radius:50% 50% 0 0/100% 100% 0 0;background:rgba(241,238,220,.16);border:2px solid rgba(241,238,220,.55);border-bottom:none;}
.scene-cho{background:linear-gradient(165deg,#8C6A2E 0%,#4E3A19 100%);}
.scene-amthuc{background:linear-gradient(165deg,var(--forest-bright) 0%,#123321 55%,#7C5A22 100%);}
.scene-ruong{background:linear-gradient(165deg,#D9A94A 0%,#8C6A2E 100%);}
.scene-ruong::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(88deg,rgba(255,255,255,.16) 0 4px,transparent 4px 16px);}
.scene-co{background:linear-gradient(165deg,#234232 0%,#0F2118 100%);}
.scene-co::before{content:"";position:absolute;left:20%;bottom:10%;width:2px;height:70%;background:rgba(241,238,220,.4);box-shadow:34% 6% 0 -2px rgba(241,238,220,.35),60% 0 0 -4px rgba(241,238,220,.3);}
.scene-nvh{background:linear-gradient(165deg,#2B3A5E 0%,#16203A 100%);}
.scene-nvh::before{content:"";position:absolute;left:50%;bottom:22%;width:58%;height:34%;transform:translateX(-50%);background:rgba(241,238,220,.08);border:2px solid rgba(241,238,220,.45);border-bottom:none;}

/* ============ MEDIA LIBRARY ============ */
.medialib{background:var(--forest);color:#F1EEDC;position:relative;overflow:hidden;}
.medialib::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 20%,rgba(217,169,74,.16),transparent 55%),radial-gradient(circle at 85% 80%,rgba(168,84,38,.18),transparent 55%);}
.medialib .wrap{position:relative;z-index:1;}
.medialib .eyebrow{color:var(--gold-bright);}
.medialib .section-head h2{color:#F8F5E6;}
.medialib .section-head .sub{color:rgba(241,238,220,.72);}
.tabbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px;}
.tab{
  display:flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:100px;
  background:rgba(241,238,220,.08);border:1px solid rgba(241,238,220,.16);
  color:rgba(241,238,220,.78);font-weight:600;font-size:.86rem;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.tab svg{width:16px;height:16px;}
.tab[aria-selected="true"]{background:var(--gold-bright);color:#2B2007;border-color:var(--gold-bright);}
.tab:hover:not([aria-selected="true"]){border-color:rgba(241,238,220,.4);color:#F8F5E6;}

.medgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
@media(max-width:900px){.medgrid{grid-template-columns:repeat(2,1fr);}}
.medcard{
  position:relative;border-radius:var(--radius-md);overflow:hidden;
  aspect-ratio:4/3;border:1px solid rgba(241,238,220,.14);
  background:#1A2118;
}
.medcard .scene{position:absolute;inset:0;}
.medcard-info{position:absolute;left:0;right:0;bottom:0;padding:14px 14px 12px;background:linear-gradient(0deg,rgba(10,14,9,.82),transparent 75%);}
.medcard-info h4{font-family:'Be Vietnam Pro',sans-serif;font-weight:600;font-size:.92rem;color:#F8F5E6;}
.medcard-info .hint{font-size:.72rem;color:rgba(241,238,220,.68);margin-top:2px;display:flex;align-items:center;gap:5px;}
.medbadge{
  position:absolute;top:10px;right:10px;z-index:2;
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(16,22,14,.65);backdrop-filter:blur(4px);
  border:1px solid rgba(241,238,220,.3);color:#F8F5E6;
}
.medbadge svg{width:15px;height:15px;}
.medcard.type-360 .medbadge,.medcard.type-video .medbadge{background:var(--clay);border-color:var(--clay);}
.medcard.type-tour .medbadge{background:var(--gold-bright);color:#2B2007;border-color:var(--gold-bright);}
.medcard .playbtn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;
  background:rgba(16,22,14,.55);border:1.5px solid rgba(241,238,220,.7);
  display:flex;align-items:center;justify-content:center;color:#F8F5E6;
  transition:transform .2s ease, background .2s ease;
}
.medcard:hover .playbtn{transform:translate(-50%,-50%) scale(1.08);background:var(--clay);}
.medcard .playbtn svg{width:20px;height:20px;}
.medcard.type-tour .scenecount{
  position:absolute;left:12px;top:12px;display:flex;gap:4px;
}
.medcard.type-tour .scenecount span{width:6px;height:6px;border-radius:50%;background:rgba(241,238,220,.5);}
.medcard.type-tour .scenecount span:first-child{background:var(--gold-bright);}
.medcard{cursor:pointer;}
.medcard:focus-visible{outline:2px solid var(--gold-bright);outline-offset:2px;}

/* scene variants (dark set for media lib) */
.mscene-song{background:linear-gradient(160deg,#4A3B18 0%,#A85426 55%,#D9A94A 100%);}
.mscene-doi{background:linear-gradient(165deg,#2E5A44 0%,#16281D 100%);}
.mscene-dinh{background:linear-gradient(165deg,#5C4419 0%,#2A1E0C 100%);}
.mscene-cho{background:linear-gradient(165deg,#3C7A5C 0%,#123321 100%);}
.mscene-non{background:linear-gradient(165deg,#8C6A2E 0%,#3A2A10 100%);}
.mscene-hoanghon{background:linear-gradient(160deg,#D9A94A 0%,#A85426 45%,#3B2410 100%);}

/* ============ IMMERSIVE VIEWER (mock lightbox) ============ */
.viewer-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(30,38,30,.6);
  display:none;align-items:center;justify-content:center;
  padding:24px;
}
.viewer-overlay.open{display:flex;}
.viewer-panel{
  width:min(1080px,100%);
  background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 40px 80px -20px rgba(20,28,22,.35);
}
.viewer-stage{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DCEBDF;}
.pano-track{
  position:absolute;top:0;bottom:0;left:0;width:220%;
  display:flex;
  animation:panoDrift 34s linear infinite;
}
@media(prefers-reduced-motion:reduce){.pano-track{animation:none;}}
.viewer-stage:hover .pano-track{animation-play-state:paused;}
@keyframes panoDrift{0%{transform:translateX(0);}100%{transform:translateX(-54.5%);}}
.pano-seg{flex:none;width:50%;height:100%;position:relative;}
.pano-seg.a{background:linear-gradient(180deg,#EAF2D8 0%,#BFDDC4 45%,#6FA987 100%);}
.pano-seg.b{background:linear-gradient(180deg,#F1EDC9 0%,#CBE0C0 45%,#5F9C7C 100%);}
.pano-hill{position:absolute;left:0;right:0;bottom:0;height:46%;background:#2F5D45;}
.pano-seg.a .pano-hill{clip-path:polygon(0 60%,10% 40%,24% 55%,38% 30%,54% 50%,70% 25%,88% 45%,100% 30%,100% 100%,0 100%);}
.pano-seg.b .pano-hill{clip-path:polygon(0 45%,16% 60%,30% 35%,46% 55%,60% 30%,78% 52%,92% 34%,100% 48%,100% 100%,0 100%);}
.pano-river{position:absolute;left:0;right:0;bottom:0;height:14%;background:linear-gradient(180deg,#A85426,#D9A94A);opacity:.9;}
.pano-tea{position:absolute;left:0;right:0;bottom:14%;height:20%;background:repeating-linear-gradient(115deg,#3C7A5C 0 9px,#234232 9px 20px);}
.hotspot{
  position:absolute;width:16px;height:16px;border-radius:50%;
  background:var(--gold-bright);border:2px solid #fff;
  box-shadow:0 0 0 6px rgba(217,169,74,.28);
  z-index:3;
}
.hotspot::after{
  content:attr(data-label);
  position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%);
  background:rgba(10,14,9,.88);color:#F8F5E6;font-size:.74rem;font-weight:600;
  padding:6px 10px;border-radius:8px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .15s ease;
}
.hotspot:hover::after,.hotspot:focus-visible::after{opacity:1;}
.viewer-chrome{position:absolute;inset:0;z-index:4;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:16px;}
.viewer-chrome > *{pointer-events:auto;}
.viewer-topbar{display:flex;justify-content:space-between;align-items:flex-start;}
.viewer-badge{background:rgba(10,14,9,.6);backdrop-filter:blur(6px);color:#F8F5E6;font-size:.76rem;font-weight:600;padding:7px 12px;border-radius:100px;display:flex;align-items:center;gap:6px;}
.viewer-badge svg{width:13px;height:13px;}
.viewer-close{width:36px;height:36px;border-radius:50%;background:rgba(10,14,9,.6);backdrop-filter:blur(6px);color:#F8F5E6;border:none;display:flex;align-items:center;justify-content:center;}
.viewer-close:hover{background:var(--clay);}
.viewer-controls{display:flex;justify-content:center;gap:10px;}
.viewer-ctrl{width:38px;height:38px;border-radius:50%;background:rgba(10,14,9,.6);backdrop-filter:blur(6px);color:#F8F5E6;border:1px solid rgba(241,238,220,.2);display:flex;align-items:center;justify-content:center;transition:background .15s ease;}
.viewer-ctrl svg{width:16px;height:16px;}
.viewer-ctrl:hover{background:var(--forest-bright);}
.viewer-compass{position:absolute;top:16px;left:50%;transform:translateX(-50%);width:52px;height:52px;border-radius:50%;background:rgba(10,14,9,.55);backdrop-filter:blur(6px);border:1px solid rgba(241,238,220,.25);display:flex;align-items:center;justify-content:center;}
.viewer-compass svg{width:22px;height:22px;}
.scenebar{display:flex;gap:10px;padding:14px 16px;background:var(--surface-2);overflow-x:auto;}
.scenebar-item{flex:none;width:118px;cursor:pointer;border-radius:10px;overflow:hidden;border:2px solid transparent;opacity:.65;transition:opacity .15s ease,border-color .15s ease;}
.scenebar-item.active{opacity:1;border-color:var(--gold-bright);}
.scenebar-item:hover{opacity:1;}
.scenebar-thumb{aspect-ratio:16/10;position:relative;}
.scenebar-label{font-size:.7rem;font-weight:600;color:var(--ink);padding:5px 7px;background:var(--surface);}
.viewer-caption{padding:16px 20px 20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-end;background:var(--surface);}
.viewer-caption h3{color:var(--ink);font-size:1.15rem;}
.viewer-caption p{color:var(--ink-soft);font-size:.86rem;margin-top:4px;max-width:52ch;}

/* ============ NEWS ============ */
.news{background:var(--surface-2);}
.news-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;background:var(--surface);}
.news-item{padding:26px 26px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:10px;}
.news-item:first-child{border-left:none;}
.news-date{font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--clay);}
.news-item h4{font-size:1.02rem;font-weight:600;line-height:1.35;}
.news-item p{font-size:.86rem;color:var(--ink-soft);}
@media(max-width:900px){.news-grid{grid-template-columns:1fr;}.news-item{border-left:none;border-top:1px solid var(--line);}.news-item:first-child{border-top:none;}}

/* ============ FOOTER ============ */
footer{background:var(--forest);color:rgba(241,238,220,.82);}
.foot-top{padding:64px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
@media(max-width:860px){.foot-top{grid-template-columns:1fr 1fr;}}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:700;font-size:1.2rem;color:#F8F5E6;}
.foot-brand .mark{width:30px;height:30px;}
.foot-col h5{font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-bright);margin-bottom:14px;}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:.88rem;}
.foot-col a:hover{color:#fff;}
.foot-p{font-size:.86rem;color:rgba(241,238,220,.68);margin-top:14px;max-width:34ch;}
.foot-bottom{border-top:1px solid rgba(241,238,220,.16);padding:18px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.78rem;color:rgba(241,238,220,.55);}

.breadcrumb{background:var(--surface-2);border-bottom:1px solid var(--line);}
.breadcrumb-inner{display:flex;align-items:center;gap:8px;padding:13px 0;font-size:.83rem;color:var(--ink-faint);flex-wrap:wrap;}
.breadcrumb-inner a{color:var(--ink-soft);font-weight:500;}
.breadcrumb-inner a:hover{color:var(--forest);}
.breadcrumb-inner .current{color:var(--ink);font-weight:600;}
.page-header{padding:52px 0 8px;}
.page-header h1{font-size:clamp(2rem,4vw,2.7rem);font-weight:700;margin-top:10px;}
.page-header .sub{max-width:62ch;color:var(--ink-soft);margin-top:14px;font-size:1.02rem;}

/* light-background filter tabs (listing pages) */
.tabbar-light{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 6px;}
.tab-light{display:flex;align-items:center;gap:8px;padding:9px 17px;border-radius:100px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-soft);font-weight:600;font-size:.85rem;transition:background .15s ease,color .15s ease,border-color .15s ease;}
.tab-light svg{width:15px;height:15px;}
.tab-light[aria-selected="true"]{background:var(--forest);color:#fff;border-color:var(--forest);}
.tab-light:hover:not([aria-selected="true"]){border-color:var(--forest);color:var(--forest);}

/* pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:52px;flex-wrap:wrap;}
.page-num{min-width:38px;height:38px;padding:0 8px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.86rem;color:var(--ink-soft);border:1px solid var(--line);background:var(--surface);transition:background .15s ease,color .15s ease,border-color .15s ease;}
.page-num.active{background:var(--forest);color:#fff;border-color:var(--forest);}
.page-num:hover:not(.active){border-color:var(--forest);color:var(--forest);}

/* two-column detail layout */
.detail-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:48px;align-items:start;margin-top:36px;}
@media(max-width:900px){.detail-layout{grid-template-columns:1fr;}}
.prose h2{font-size:1.28rem;font-weight:600;margin:30px 0 12px;}
.prose h2:first-child{margin-top:0;}
.prose p{color:var(--ink-soft);margin-bottom:14px;line-height:1.75;}
.aside{display:flex;flex-direction:column;gap:20px;}
@media(min-width:901px){.aside{position:sticky;top:88px;}}
.aside-card{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;}
.aside-card h3{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--forest);margin-bottom:14px;}
.aside-fact{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:.86rem;}
.aside-fact:first-of-type{border-top:none;padding-top:0;}
.aside-fact .k{color:var(--ink-faint);}
.aside-fact .v{color:var(--ink);font-weight:600;text-align:right;}
.aside-cta{margin-top:14px;width:100%;justify-content:center;}
.related-mini{display:flex;gap:12px;padding:10px 0;border-top:1px solid var(--line);align-items:center;}
.related-mini:first-of-type{border-top:none;padding-top:0;}
.related-mini .thumb{width:56px;height:56px;border-radius:10px;flex:none;position:relative;overflow:hidden;}
.related-mini h4{font-size:.84rem;font-weight:600;line-height:1.35;}
.related-mini p{font-size:.72rem;color:var(--ink-faint);margin-top:2px;}

/* detail hero banner */
.detail-hero{position:relative;height:min(46vh,400px);min-height:260px;border-radius:var(--radius-lg);overflow:hidden;margin-top:26px;}
.detail-hero .scene{position:absolute;inset:0;}
.detail-hero-shade{position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,14,9,.72) 0%,rgba(10,14,9,.05) 60%);}
.detail-hero-content{position:absolute;left:0;right:0;bottom:0;padding:28px 32px;color:#fff;z-index:1;}
.detail-hero-content .eyebrow{color:var(--gold-bright);}
.detail-hero-content h1{color:#fff;font-size:clamp(1.7rem,3.2vw,2.5rem);}
.detail-hero-content .meta{display:flex;gap:16px;margin-top:10px;font-size:.86rem;color:rgba(255,255,255,.82);flex-wrap:wrap;}

/* mini media grid used inside destination detail */
.mini-media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px;}
@media(max-width:640px){.mini-media-grid{grid-template-columns:repeat(2,1fr);}}
.mini-media{position:relative;aspect-ratio:1/1;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;}
.mini-media .scene{position:absolute;inset:0;}
.mini-media .medbadge{width:26px;height:26px;top:8px;right:8px;}
.mini-media .medbadge svg{width:13px;height:13px;}

/* map placeholder */
.map-placeholder{position:relative;aspect-ratio:16/10;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);background:linear-gradient(160deg,#EAF3EC 0%,#D9EBE0 100%);}
:root[data-theme="dark"] .map-placeholder,:root:not([data-theme="light"]) .map-placeholder{background:linear-gradient(160deg,#182A1E 0%,#10190F 100%);}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .map-placeholder{background:linear-gradient(160deg,#182A1E 0%,#10190F 100%);}}
.map-placeholder svg{position:absolute;inset:0;width:100%;height:100%;}
.map-pin{position:absolute;left:50%;top:46%;transform:translate(-50%,-100%);color:var(--clay);filter:drop-shadow(0 3px 6px rgba(0,0,0,.25));}
.map-pin svg{width:34px;height:34px;}

/* contact form */
.form-grid{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:640px){.form-row{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:.82rem;font-weight:600;color:var(--ink-soft);}
.field input,.field textarea{
  border:1px solid var(--line-strong);border-radius:10px;padding:12px 14px;
  font-family:inherit;font-size:.92rem;color:var(--ink);background:var(--surface);
  transition:border-color .15s ease,box-shadow .15s ease;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--forest);box-shadow:0 0 0 3px var(--forest-pale);}
.field textarea{resize:vertical;min-height:130px;font-family:inherit;}
.contact-item{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line);}
.contact-item:first-child{border-top:none;padding-top:0;}
.contact-item .ic{width:38px;height:38px;border-radius:50%;background:var(--forest-pale);color:var(--forest);display:flex;align-items:center;justify-content:center;flex:none;}
.contact-item .ic svg{width:17px;height:17px;}
.contact-item h4{font-size:.9rem;font-weight:600;}
.contact-item p{font-size:.85rem;color:var(--ink-soft);margin-top:2px;}

/* article (news detail) */
.article-hero{aspect-ratio:16/7;border-radius:var(--radius-lg);overflow:hidden;position:relative;margin:26px 0 32px;}
@media(max-width:640px){.article-hero{aspect-ratio:4/3;}}
.article-meta{display:flex;gap:14px;align-items:center;font-size:.82rem;color:var(--ink-faint);margin-top:14px;flex-wrap:wrap;}
.article-meta .tag{color:var(--clay);font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:.72rem;}

/* helper: mockup ribbon so this reads clearly as a design mockup */
.mock-ribbon{
  position:fixed;bottom:18px;right:18px;z-index:200;
  background:var(--surface);color:var(--ink-soft);
  border:1px solid var(--line-strong);border-radius:100px;
  padding:9px 16px;font-size:.74rem;font-weight:600;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:8px;
}
.mock-ribbon span.dot{width:7px;height:7px;border-radius:50%;background:var(--clay);}
@media(max-width:640px){.mock-ribbon{left:18px;right:18px;justify-content:center;}}


/* ============ HERITAGE CARD ADD-ONS (learned from Yen Bai public site) ============ */
.rank-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:100px;font-size:.72rem;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;
  background:rgba(12,16,10,.62);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.22);
}
.rank-badge svg{width:13px;height:13px;}
.rank-national{color:var(--gold-bright);border-color:rgba(217,169,74,.55);}
.rank-provincial{color:#EDEBDD;border-color:rgba(255,255,255,.3);}
/* on light (non-photo) surfaces — e.g. sidebar fact rows — swap to a flat, opaque treatment */
.aside-card .rank-badge,.detail-main .rank-badge{
  background:none;backdrop-filter:none;border:none;padding:0;
}
.aside-card .rank-national,.detail-main .rank-national{color:var(--gold);}
.aside-card .rank-provincial,.detail-main .rank-provincial{color:var(--indigo);}

.dest-location{display:flex;align-items:center;gap:5px;font-size:.78rem;color:var(--ink-faint);font-weight:600;}
.dest-location svg{width:12px;height:12px;flex:none;color:var(--clay);}

.dest-stats{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.stat-chip{display:flex;align-items:center;gap:5px;font-size:.75rem;font-weight:600;color:var(--ink-soft);}
.stat-chip svg{width:13px;height:13px;color:var(--forest);}

.status-pill{display:inline-flex;align-items:center;gap:5px;font-size:.7rem;font-weight:700;padding:4px 10px;border-radius:100px;}
.status-pill svg{width:10px;height:10px;}
.status-live{background:var(--forest-pale);color:var(--forest);}
.status-pending{background:var(--surface-2);color:var(--ink-faint);border:1px solid var(--line);}

/* national feature grid (priority placement) */
.national-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.national-grid{grid-template-columns:1fr;}}
.national-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
  box-shadow:0 20px 40px -28px rgba(20,28,22,.35);
  transition:transform .2s ease, box-shadow .2s ease;
}
.national-card:hover{transform:translateY(-4px);}
.national-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:5px;
  background:linear-gradient(90deg,var(--gold),var(--gold-bright),var(--gold));
}
.national-card .dest-media{aspect-ratio:16/11;}
.national-card .dest-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;}
.national-card .dest-body h3{font-size:1.22rem;}

/* compact directory rows (provincial tier) */
.area-group{margin-top:44px;}
.area-heading{
  display:flex;align-items:baseline;gap:10px;margin-bottom:16px;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.area-heading h3{font-size:1.02rem;font-weight:700;}
.area-heading .count{font-size:.78rem;color:var(--ink-faint);font-weight:600;}
.heritage-row-list{display:flex;flex-direction:column;}
.heritage-row{
  display:flex;align-items:center;gap:16px;padding:14px 6px;
  border-top:1px solid var(--line);transition:background .15s ease;
}
.heritage-row:first-child{border-top:none;}
.heritage-row:hover{background:var(--surface-2);}
.heritage-row .thumb{width:64px;height:64px;border-radius:12px;flex:none;position:relative;overflow:hidden;}
.heritage-row .thumb .scene{position:absolute;inset:0;}
.heritage-row .info{flex:1;min-width:0;}
.heritage-row .info h4{font-size:.96rem;font-weight:600;}
.heritage-row .info .meta-line{font-size:.78rem;color:var(--ink-faint);margin-top:3px;display:flex;flex-wrap:wrap;gap:4px 10px;}
.heritage-row .chev{flex:none;color:var(--ink-faint);}
@media(max-width:640px){
  .heritage-row .thumb{width:52px;height:52px;}
}

/* pairing note (dinh + chua cung lang) */
.pair-note{
  display:flex;align-items:center;gap:10px;margin-top:20px;padding:14px 16px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:.86rem;color:var(--ink-soft);
}
.pair-note svg{width:18px;height:18px;flex:none;color:var(--forest);}
.pair-note a{color:var(--forest);font-weight:600;}

/* sub-nav within listing (tier filter) */
.tier-tabs{display:flex;gap:8px;margin:8px 0 4px;}

.dest-grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
@media(max-width:1100px){.dest-grid-5{grid-template-columns:repeat(3,1fr);}}
@media(max-width:640px){.dest-grid-5{grid-template-columns:repeat(2,1fr);}}

.dest-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.dest-grid-3{grid-template-columns:1fr;}}

.media-badge-overlay{position:absolute;top:12px;left:12px;z-index:2;}