:root{
  --paper:#FFFFFF;
  --surface:#FAF7F2;
  --ink:#151314;
  --muted:#6A625F;
  --black:#121011;
  --plum:#6E1F37;        /* đỏ mận */
  --plum-soft:#F4E4E8;
  --gold:#C9A25E;
  --gold-hi:#F0D7A4;
  --gold-ink:#8A6528;    /* vàng đậm cho chữ trên nền trắng */
  --gold-grad:linear-gradient(135deg,#B8893F 0%,#F0D7A4 52%,#C9A25E 100%);
  --leaf:var(--plum);
  --leaf-ink:#F6EFE6;
  --rose:#BE4A69;
  --petal:#F7E1E7;
  --clay:#B5532B;        /* Alluvia: cam đất nung */
  --clay-soft:#F6E4DA;
  --lake:#1E6B73;        /* Ecopark: xanh hồ */
  --lake-soft:#DDEEEE;
  --line:#E3E1D9;
  --veil:rgba(14,28,18,.55);
  --display:"Noto Serif Display",Georgia,"Times New Roman",serif;
  --body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --script:"Dancing Script","Brush Script MT",cursive;
  --wrap:1160px;
  --gut-l:max(16px,env(safe-area-inset-left,0px));
  --gut-r:max(16px,env(safe-area-inset-right,0px));
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0F0D0E;--surface:#191516;--ink:#F2ECE4;--muted:#A89F99;--black:#070606;--plum:#5A1A2D;--plum-soft:#33161F;
  --gold-ink:#E2C089;--leaf-ink:#F6EFE6;
  --rose:#EE8DA7;--petal:#3A2129;--clay:#F09A72;--clay-soft:#3B261C;--lake:#6EC3C9;--lake-soft:#16302F;
  --line:#2E2729;--veil:rgba(6,4,5,.62);color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0F0D0E;--surface:#191516;--ink:#F2ECE4;--muted:#A89F99;--black:#070606;--plum:#5A1A2D;--plum-soft:#33161F;
  --gold-ink:#E2C089;--leaf-ink:#F6EFE6;
  --rose:#EE8DA7;--petal:#3A2129;--clay:#F09A72;--clay-soft:#3B261C;--lake:#6EC3C9;--lake-soft:#16302F;
  --line:#2E2729;--veil:rgba(6,4,5,.62);color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--black)}
img{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.15;text-wrap:balance;margin:0}
h2{font-size:clamp(30px,4.2vw,46px)}
h3{font-size:clamp(22px,2.6vw,28px)}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gut-l);padding-right:var(--gut-r)}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent,var(--gold-ink));font-weight:600}
.lede{color:var(--muted);max-width:62ch;font-size:17px}
section{padding-block:clamp(56px,8vw,96px)}
.head{display:grid;gap:14px;margin-bottom:clamp(28px,4vw,44px)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.al{--accent:var(--clay);--accent-soft:var(--clay-soft)}
.ep{--accent:var(--lake);--accent-soft:var(--lake-soft)}
.er{--accent:var(--rose);--accent-soft:var(--petal)}

/* bar */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--black);border-bottom:1px solid rgba(201,162,94,.35)}
.bar .wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{height:40px;width:auto}
.nav{display:flex;gap:22px;margin-left:auto;font-size:14px}
.nav a{text-decoration:none;color:#CFC6BC}
.nav a:hover{color:var(--gold-hi)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;font:600 14px/1 var(--body);text-decoration:none;cursor:pointer;background:var(--gold-grad);color:#151314;white-space:nowrap}
.btn:hover{filter:brightness(1.06)}
.btn.plum{background:var(--plum);color:#fff}
.btn.ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 1px currentColor}
.bar .btn{padding:10px 18px}
@media (max-width:960px){.nav{display:none}.bar .btn{margin-left:auto}}

/* hero */
.hero{position:relative;color:#fff;isolation:isolate;padding-block:0;overflow:hidden}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(18,16,17,.92) 0%,rgba(18,16,17,.7) 45%,rgba(110,31,55,.55) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.3fr .9fr;gap:clamp(28px,5vw,64px);align-items:end;padding-block:clamp(56px,8vw,104px) 0}
.hero .copy{padding-bottom:clamp(40px,6vw,72px)}
.hero .tagline{display:inline-flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-hi)}
.hero .tagline::before{content:"";width:28px;height:2px;background:var(--gold-grad)}
.hero h1 .gold{background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .copy{display:grid;gap:20px;min-width:0}
.hero .kicker{font-size:12px;letter-spacing:.22em;text-transform:uppercase;opacity:.9}
.hero h1{font-family:var(--display);font-weight:400;font-size:clamp(44px,6.4vw,80px);line-height:1.02;color:#fff}
.hero .sub{font-family:var(--display);font-size:clamp(20px,2.4vw,27px);font-style:italic;max-width:28ch}
.hero p.pitch{max-width:50ch;font-size:17px;opacity:.92}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero .btn.ghost{color:#fff}
.hero .hot{font-family:var(--display);font-size:24px;font-variant-numeric:tabular-nums;user-select:all;color:var(--gold-hi)}
.cutout{margin:0 0 clamp(40px,6vw,72px);position:relative;justify-self:end;width:100%;max-width:340px;align-self:end}
.cutout::before{content:"";position:absolute;inset:14px -14px -14px 14px;border:2px solid var(--gold);border-radius:10px}
.cutout img{position:relative;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 20%;border-radius:10px;box-shadow:0 18px 40px rgba(0,0,0,.4);display:block}
.cutout figcaption{position:absolute;left:14px;bottom:14px;background:var(--black);color:var(--gold-hi);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:8px 14px;border-radius:4px;border:1px solid rgba(201,162,94,.5)}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}.cutout{justify-self:start;max-width:280px}.hero .copy{padding-bottom:0}}

/* about */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:center}
.about figure{margin:0;position:relative;max-width:420px}
.about figure::after{content:"";position:absolute;inset:16px -16px -16px 16px;border:2px solid var(--gold);border-radius:8px;z-index:-1}
.about figure img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:8px}
.about .txt{display:grid;gap:18px;min-width:0}
.about blockquote{margin:0;font-family:var(--display);font-style:italic;font-size:clamp(22px,2.6vw,30px);line-height:1.3;color:var(--plum);border-left:3px solid var(--gold);padding-left:18px}
.about .creds{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.about .creds div{border-top:2px solid var(--plum);padding-top:10px;display:grid}
.about .creds b{font-family:var(--display);font-weight:400;font-size:26px;color:var(--ink)}
.about .creds span{font-size:13px;color:var(--muted)}
@media (max-width:860px){.about{grid-template-columns:1fr}.about figure{max-width:300px}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .about blockquote{color:var(--gold-hi)}}
:root[data-theme="dark"] .about blockquote{color:var(--gold-hi)}

/* project index */
.index{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proj{display:grid;grid-template-rows:auto 1fr;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;text-decoration:none}
.proj img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s ease}
.proj:hover img{transform:scale(1.03)}
.proj .pic{overflow:hidden}
.proj .body{padding:20px 22px 22px;display:grid;gap:10px;align-content:start}
.proj h3{font-size:24px}
.proj p{color:var(--muted);font-size:15px}
.modes{display:flex;flex-wrap:wrap;gap:6px}
.mode{font-size:12px;font-weight:600;border-radius:4px;padding:3px 9px;background:var(--accent-soft);color:var(--accent)}
.mode.off{background:transparent;color:var(--muted);box-shadow:inset 0 0 0 1px var(--line);font-weight:500}
.proj .where{font-size:13px;color:var(--muted)}
@media (max-width:900px){.index{grid-template-columns:1fr}}

/* chapter band */
.chapter{position:relative;color:#fff;isolation:isolate;padding-block:clamp(72px,10vw,128px) clamp(40px,6vw,64px)}
.chapter img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.chapter::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(18,16,17,.88) 0%,rgba(18,16,17,.4) 60%,rgba(18,16,17,.15) 100%)}
.chapter h2::after{content:"";display:block;width:64px;height:3px;margin-top:16px;background:var(--gold-grad)}
.chapter .wrap{display:grid;gap:14px}
.chapter .eyebrow{color:#fff;opacity:.85}
.chapter h2{color:#fff;font-size:clamp(36px,5.4vw,60px)}
.chapter p{max-width:58ch;opacity:.92}
.chapter .stats{display:flex;flex-wrap:wrap;gap:28px 44px;margin-top:14px}
.chapter .stats div{display:grid}
.chapter .stats b{font-family:var(--display);font-weight:400;font-size:clamp(26px,3vw,36px);line-height:1.1}
.chapter .stats span{font-size:13px;opacity:.8}

/* split + tables */
.split{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.split figure{margin:0}
.split img{width:100%;border-radius:6px;cursor:zoom-in}
.split figcaption{font-size:13px;color:var(--muted);margin-top:8px}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rows li{display:grid;grid-template-columns:1fr auto auto;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;align-items:baseline}
.rows li b{font-weight:500}
.rows li span{color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;color:var(--muted)}

/* product tabs */
.tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:24px;scrollbar-width:thin}
.tab{flex:none;border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:999px;padding:10px 18px;font:500 14px/1.2 var(--body);cursor:pointer}
.tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.panel{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.panel .shot{margin:0;display:grid;gap:12px}
.panel .shot>img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:6px;cursor:zoom-in}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.thumbs button{padding:0;border:1px solid var(--line);border-radius:6px;background:var(--surface);cursor:zoom-in;overflow:hidden;display:grid}
.thumbs img{width:100%;aspect-ratio:4/3;object-fit:cover}
.thumbs span{font-size:12px;color:var(--muted);padding:6px 8px;text-align:left;border-top:1px solid var(--line)}
.spec{display:grid;gap:18px;min-width:0}
.spec .tag{display:inline-block;width:max-content;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:var(--accent-soft);color:var(--accent);border-radius:4px;padding:4px 10px}
.spec dl{display:grid;grid-template-columns:auto 1fr;margin:0;border-top:1px solid var(--line)}
.spec dt,.spec dd{padding:11px 0;border-bottom:1px solid var(--line);margin:0}
.spec dt{color:var(--muted);font-size:14px;padding-right:16px}
.spec dd{text-align:right;font-variant-numeric:tabular-nums;font-weight:500}
.note{font-size:13px;color:var(--muted)}
@media (max-width:860px){.panel{grid-template-columns:1fr}}

/* gallery strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:clamp(32px,5vw,56px)}
.strip figure{margin:0;position:relative;overflow:hidden;border-radius:6px;cursor:zoom-in;aspect-ratio:4/3}
.strip img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.strip figure:hover img{transform:scale(1.03)}
.strip figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 12px 10px;font-size:13px;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.6))}
@media (max-width:760px){.strip{grid-template-columns:repeat(2,1fr)}}

/* market (resale/rent) */
.market{background:var(--surface);border-block:1px solid var(--line)}
.toolbar{display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;margin-bottom:18px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;gap:2px}
.seg button{border:0;background:transparent;color:var(--muted);border-radius:999px;padding:8px 16px;font:500 14px/1 var(--body);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--plum);color:#fff}
.toolbar label{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center}
.toolbar select{font:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink)}
.tablebox{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:15px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--paper)}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tbody tr:last-child td{border-bottom:0}
td .kind{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border-radius:4px;padding:2px 7px;margin-right:8px;background:var(--lake-soft);color:var(--lake)}
td.hl{font-weight:600;color:var(--lake)}
td.dim{color:var(--muted)}
.empty{padding:24px;text-align:center;color:var(--muted)}
.areas{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px}
.areas button{padding:0;border:1px solid var(--line);border-radius:8px;background:var(--paper);cursor:zoom-in;overflow:hidden;display:grid;text-align:left;color:inherit}
.areas img{width:100%;aspect-ratio:4/3;object-fit:cover}
.areas span{padding:8px 10px;font-size:14px;font-weight:500}
.areas small{display:block;font-size:12px;color:var(--muted);font-weight:400}
@media (max-width:900px){.areas{grid-template-columns:repeat(2,1fr)}}

/* eco retreat */
.er-card{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.er-card img{width:100%;height:100%;object-fit:cover;min-height:280px}
.er-card .body{padding:clamp(24px,4vw,44px);display:grid;gap:16px;align-content:center}
.er-card .script{font-family:var(--script);font-size:56px;color:var(--rose);line-height:1}
.mini{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mini div{border:1px solid var(--line);border-radius:6px;padding:10px 12px;display:grid}
.mini b{font-family:var(--display);font-weight:400;font-size:22px;font-variant-numeric:tabular-nums}
.mini span{font-size:12px;color:var(--muted)}
@media (max-width:860px){.er-card{grid-template-columns:1fr}.er-card img{min-height:0;aspect-ratio:16/10}}

/* services, steps */
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.svc div{border-top:2px solid var(--gold);padding-top:16px;display:grid;gap:8px;align-content:start}
.svc b{font-family:var(--display);font-weight:400;font-size:22px}
.svc p{color:var(--muted);font-size:15px}
@media (max-width:900px){.svc{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.svc{grid-template-columns:1fr}}

/* contact */
.contact{background:radial-gradient(120% 90% at 0% 0%,#8A2A47 0%,var(--plum) 45%,#3E0F1E 100%);color:var(--leaf-ink)}
.contact .grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(28px,5vw,72px);align-items:start}
.contact .eyebrow{color:var(--gold-hi)}
.agent{display:grid;gap:16px}
.agent .logo{width:min(260px,70%);height:auto}
.agent p{opacity:.88;max-width:46ch}
.agent .hot{font-family:var(--display);font-size:30px;font-variant-numeric:tabular-nums;user-select:all;color:var(--gold-hi)}
.agent .row{display:flex;flex-wrap:wrap;gap:10px}
.agent .btn.ghost{color:var(--leaf-ink)}
form{background:var(--surface);color:var(--ink);border-radius:10px;padding:clamp(20px,3vw,32px);display:grid;gap:16px}
form h3{font-size:24px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:500;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);width:100%}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.two{grid-template-columns:1fr}}
@media (max-width:860px){.contact .grid{grid-template-columns:1fr}}
.out{display:grid;gap:12px;border:1px dashed var(--plum);border-radius:8px;padding:16px;background:var(--plum-soft)}
.out pre{margin:0;white-space:pre-wrap;font:14px/1.6 var(--body);color:var(--ink)}
.out .row{display:flex;flex-wrap:wrap;gap:10px}
.out .btn.ghost{color:var(--ink)}
.err{color:var(--plum);font-size:13px}

/* faq */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-family:var(--display);font-size:20px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-ink);font-family:var(--body);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin-top:10px;max-width:70ch}

footer{padding-block:40px 48px;font-size:13px;color:#A89F99;background:var(--black);border-top:2px solid var(--gold)}
footer .wrap{display:grid;grid-template-columns:auto 1fr;gap:12px 40px;align-items:center}
footer img{height:48px;width:auto}
footer .t{display:grid;gap:6px}
@media (max-width:640px){footer .wrap{grid-template-columns:1fr}}

.lb{position:fixed;inset:0;z-index:50;background:rgba(8,12,9,.92);display:grid;place-items:center;padding:calc(env(safe-area-inset-top,0px) + 48px) max(16px,env(safe-area-inset-right,0px)) calc(env(safe-area-inset-bottom,0px) + 48px) max(16px,env(safe-area-inset-left,0px))}
.lb img{max-height:100%;max-width:100%;object-fit:contain;border-radius:4px}
.lb p{position:absolute;left:0;right:0;bottom:calc(env(safe-area-inset-bottom,0px) + 14px);text-align:center;color:#fff;font-size:14px;padding:0 16px}
.lb button{position:absolute;top:calc(env(safe-area-inset-top,0px) + 10px);right:max(12px,env(safe-area-inset-right,0px));background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:999px;width:40px;height:40px;font-size:22px;cursor:pointer}

[hidden]{display:none!important}
/* điều hướng nhiều trang */
.bar .wrap{flex-wrap:wrap;height:auto;min-height:64px;row-gap:0}
.nav a[aria-current="page"]{color:var(--gold-hi);box-shadow:inset 0 -2px 0 var(--gold)}
.nav a{padding-block:6px}
@media (max-width:960px){
  .nav{display:flex;order:3;width:100%;margin:0 0 0 calc(-1 * var(--gut-l));padding:0 var(--gut-r) 0 var(--gut-l);width:calc(100% + var(--gut-l) + var(--gut-r));overflow-x:auto;gap:20px;border-top:1px solid rgba(201,162,94,.2);height:42px;align-items:center;scrollbar-width:none;white-space:nowrap}
  .nav::-webkit-scrollbar{display:none}
}
.crumb{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--gold-hi);text-decoration:none;letter-spacing:.04em;width:max-content}
.crumb:hover{text-decoration:underline}
.chapter.top{padding-top:clamp(96px,14vw,176px)}
.proj .go{font-size:14px;font-weight:600;color:var(--accent);margin-top:4px}
.others{background:var(--surface);border-top:1px solid var(--line)}
.others .index{grid-template-columns:repeat(2,1fr)}
@media (max-width:760px){.others .index{grid-template-columns:1fr}}