/* DONA-TECHNO 2026 — "nursery tag" identity.
   Layout: left-aligned editorial column on a green-tinted paper ground; the seedling tag
   (rectangular label with a string hole) is the one signature motif, used for proof points.
   Color tokens (light / dark) */
:root{
  --paper:#F5F8F1;          /* green-tinted ground */
  --surface:#FFFFFF;
  --ink:#16251A;            /* text */
  --muted:#56685A;
  --line:#D9E3D3;
  --leaf:#24613A;           /* primary: durian-leaf green */
  --leaf-deep:#123A22;      /* bands, footer */
  --leaf-soft:#E3EDDD;
  --flesh:#F1C12E;          /* durian flesh gold, accent */
  --flesh-soft:#FBF0C9;
  --dona-red:#C42127;       /* logo red, used for prices only */
  --on-deep:#EEF4EA;
  --shadow:0 1px 2px rgba(18,58,34,.06),0 8px 24px -12px rgba(18,58,34,.18);
  --f-display:"Bricolage Grotesque","Be Vietnam Pro",system-ui,sans-serif;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r-sm:6px;--r-md:12px;--r-lg:22px;
  --wrap:1180px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0F1A13;--surface:#16241B;--ink:#E7EFE3;--muted:#A3B5A6;--line:#2A3D30;
  --leaf:#7CC48F;--leaf-deep:#0A140D;--leaf-soft:#1C2E22;--flesh:#F1C12E;--flesh-soft:#3A3216;
  --dona-red:#FF7A72;--on-deep:#E7EFE3;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.6);color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0F1A13;--surface:#16241B;--ink:#E7EFE3;--muted:#A3B5A6;--line:#2A3D30;
  --leaf:#7CC48F;--leaf-deep:#0A140D;--leaf-soft:#1C2E22;--flesh:#F1C12E;--flesh-soft:#3A3216;
  --dona-red:#FF7A72;--on-deep:#E7EFE3;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.6);color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.65 var(--f-body);text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--leaf);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--flesh);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.12;letter-spacing:-.015em;margin:0;text-wrap:balance;font-weight:700}
h1{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:800;letter-spacing:-.03em}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:1.25rem}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.section{padding-block:clamp(56px,8vw,104px)}
.lede{font-size:1.125rem;color:var(--muted);max-width:60ch}
.stack{display:flex;flex-direction:column;gap:16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--flesh);color:#16251A;padding:8px 14px;border-radius:var(--r-sm);z-index:99}
.skip:focus{left:12px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:12px 22px;border-radius:999px;font:600 1rem/1.2 var(--f-body);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn svg{width:20px;height:20px;flex:none}
.btn-primary{background:var(--leaf);color:#fff}
.btn-primary:hover{background:var(--leaf-deep)}
:root[data-theme="dark"] .btn-primary{color:#0F1A13}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#0F1A13}}
.btn-gold{background:var(--flesh);color:#16251A}
.btn-gold:hover{background:#E2AF14}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{border-color:var(--leaf)}
.btn-zalo{background:#0068FF;color:#fff}
.btn-zalo:hover{background:#0052CC}

/* Header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--surface)}
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.brand img{width:44px;height:44px;object-fit:contain}
.brand b{font:800 1.15rem/1 var(--f-display);letter-spacing:-.01em;display:block}
.brand small{display:block;font-size:.72rem;color:var(--muted);line-height:1.2;margin-top:3px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:10px 14px;border-radius:999px;color:var(--ink);text-decoration:none;font-weight:500;font-size:.98rem}
.nav a:hover{background:var(--leaf-soft)}
.nav a[aria-current="page"]{background:var(--leaf-soft);color:var(--leaf);font-weight:700}
.header-call{display:flex;flex-direction:column;align-items:flex-end;text-decoration:none;color:var(--ink);line-height:1.15;flex:none}
.header-call span{font-size:.75rem;color:var(--muted)}
.header-call b{font:800 1.15rem/1.2 var(--f-display);color:var(--dona-red);font-variant-numeric:tabular-nums}
.menu-btn{display:none;margin-left:auto;width:48px;height:48px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.menu-btn svg{width:24px;height:24px;margin:auto}
@media (max-width:960px){
  .nav{position:fixed;inset:72px 0 auto 0;top:calc(72px + env(safe-area-inset-top,0px));flex-direction:column;background:var(--surface);padding:12px max(16px,env(safe-area-inset-right,0px)) 20px max(16px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);box-shadow:var(--shadow);gap:2px}
  .nav:not(.open){display:none}
  .nav a{padding:14px 12px;font-size:1.05rem;border-radius:10px}
  .menu-btn{display:grid}
  .header-call{display:none}
}

/* Hero */
.hero{padding-block:clamp(32px,6vw,72px) clamp(48px,7vw,88px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,64px);align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:24px;min-width:0}
.hero-kicker{font-weight:600;color:var(--leaf);font-size:1rem}
.hero h1 .line2{display:block;color:var(--leaf)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative;min-width:0}
.hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-lg) var(--r-lg) var(--r-lg) 120px}
.hero-media figcaption{position:absolute;right:14px;bottom:14px;background:rgba(18,58,34,.82);color:#fff;font-size:.8rem;padding:6px 12px;border-radius:999px}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-media img{aspect-ratio:4/3;border-radius:var(--r-lg)}}

/* Nursery tag — the signature motif */
.tag{position:relative;background:var(--flesh-soft);border:1.5px solid color-mix(in srgb,var(--flesh) 70%,var(--ink) 10%);border-radius:10px 10px 10px 10px;padding:20px 22px 18px 54px;max-width:520px;color:var(--ink)}
.tag::before{content:"";position:absolute;left:20px;top:22px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:1.5px solid color-mix(in srgb,var(--flesh) 60%,var(--ink) 25%)}
.tag::after{content:"";position:absolute;left:26px;top:-26px;width:2px;height:50px;background:color-mix(in srgb,var(--ink) 35%,transparent);transform:rotate(-14deg);transform-origin:bottom}
.tag h3{font-size:1rem;margin-bottom:10px;letter-spacing:.01em}
.tag dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:.92rem}
.tag dt{color:var(--muted)}
.tag dd{margin:0;font-weight:600}

/* Crop picker */
.crop-picker{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.crop-picker button{min-height:46px;padding:10px 18px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font:600 .98rem var(--f-body);cursor:pointer}
.crop-picker button:hover{border-color:var(--leaf)}
.crop-picker button[aria-pressed="true"]{background:var(--leaf);border-color:var(--leaf);color:#fff}
:root[data-theme="dark"] .crop-picker button[aria-pressed="true"]{color:#0F1A13}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .crop-picker button[aria-pressed="true"]{color:#0F1A13}}
.crop-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:32px;margin-top:32px;align-items:start}
.crop-panel .crop-note{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;display:flex;flex-direction:column;gap:12px}
.crop-panel .crop-note h3{font-size:1.4rem}
.crop-panel .crop-note ul{margin:0;padding-left:18px;color:var(--muted)}
@media (max-width:860px){.crop-panel{grid-template-columns:1fr}}

/* Product cards */
.grid-products{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.p-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.p-card:hover{border-color:var(--leaf);transform:translateY(-2px)}
.p-card img{aspect-ratio:1;object-fit:cover;width:100%;background:var(--leaf-soft)}
.p-card .body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.p-card .cat{font-size:.8rem;color:var(--muted)}
.p-card h3{font:700 1.02rem/1.3 var(--f-body);letter-spacing:0}
.p-card .price{margin-top:auto;padding-top:6px;font:800 1.1rem var(--f-display);color:var(--dona-red);font-variant-numeric:tabular-nums}
.p-card .price.ask{color:var(--leaf)}
@media (max-width:520px){.grid-products{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.p-card .body{padding:10px 12px 14px}.p-card h3{font-size:.92rem}}

/* Product lines (home) */
.lines{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:20px;margin-top:36px}
.line{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 42%;align-items:end;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;text-decoration:none;color:var(--ink);overflow:hidden;min-height:260px}
.line:hover{border-color:var(--leaf)}
.line .txt{display:flex;flex-direction:column;gap:10px;align-self:stretch;min-width:0}
.line .txt p{color:var(--muted)}
.line .more{margin-top:auto;font-weight:700;color:var(--leaf)}
.line img{border-radius:var(--r-md);aspect-ratio:1;object-fit:cover;width:100%}
.line.big{grid-row:span 2;grid-template-columns:1fr;background:var(--leaf-deep);color:var(--on-deep);border-color:transparent}
.line.big .txt p{color:color-mix(in srgb,var(--on-deep) 78%,transparent)}
.line.big .more{color:var(--flesh)}
.line.big img{aspect-ratio:16/10}
@media (max-width:860px){.lines{grid-template-columns:1fr}.line.big{grid-row:auto}.line{grid-template-columns:1fr 38%;min-height:0}}

/* Calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center}
.calc-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(20px,3vw,32px);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label,.field .lbl{font-weight:600;font-size:.95rem}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{padding:10px 14px;border:1.5px solid var(--line);border-radius:10px;cursor:pointer;font-weight:600;font-variant-numeric:tabular-nums;min-height:44px;display:flex;align-items:center}
.seg input:checked+label{border-color:var(--leaf);background:var(--leaf-soft);color:var(--leaf)}
.seg input:focus-visible+label{outline:3px solid var(--flesh);outline-offset:2px}
.calc-out{background:var(--leaf-deep);color:var(--on-deep);border-radius:var(--r-md);padding:20px 22px;display:flex;flex-direction:column;gap:6px}
.calc-out .big{font:800 clamp(2rem,5vw,2.8rem)/1 var(--f-display);color:var(--flesh);font-variant-numeric:tabular-nums}
.calc-out small{color:color-mix(in srgb,var(--on-deep) 75%,transparent)}
.calc-uses{font-size:.92rem;color:var(--muted)}
input[type=number],input[type=text],input[type=tel],input[type=email],select,textarea{width:100%;min-height:48px;padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font:400 1rem var(--f-body)}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--leaf);outline:none}
@media (max-width:860px){.calc{grid-template-columns:1fr}}

/* Timeline (real sequence) */
.timeline{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px}
.timeline li{position:relative;padding:0 0 28px 32px;display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px}
.timeline li::before{content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--paper);border:3px solid var(--leaf)}
.timeline .yr{font:800 1.3rem/1.2 var(--f-display);color:var(--leaf);font-variant-numeric:tabular-nums}
.timeline p{color:var(--muted);max-width:62ch}
.timeline b{color:var(--ink)}
@media (max-width:600px){.timeline li{grid-template-columns:1fr;gap:4px}}

/* Guides list */
.guides{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;margin-top:28px;border-top:1px solid var(--line)}
.guide{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);align-items:center}
.guide h3{font:700 1.08rem/1.35 var(--f-body);letter-spacing:0}
.guide p{color:var(--muted);font-size:.93rem;margin-top:4px}
.guide .chip{font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--leaf-soft);color:var(--leaf);white-space:nowrap}
.guide:hover h3{color:var(--leaf);text-decoration:underline;text-underline-offset:3px}
@media (max-width:760px){.guides{grid-template-columns:1fr}}

/* CTA band */
.band{background:var(--leaf-deep);color:var(--on-deep)}
.band .lede{color:color-mix(in srgb,var(--on-deep) 78%,transparent)}
.band h2{color:#fff}
:root[data-theme="dark"] .band h2{color:var(--on-deep)}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:start}
.phones{display:grid;gap:14px;margin-top:24px}
.phone{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:14px 0;border-bottom:1px solid color-mix(in srgb,var(--on-deep) 18%,transparent);flex-wrap:wrap}
.phone span{color:color-mix(in srgb,var(--on-deep) 75%,transparent)}
.phone a{font:800 1.4rem var(--f-display);color:var(--flesh);text-decoration:none;font-variant-numeric:tabular-nums}
.form-card{background:var(--surface);color:var(--ink);border-radius:var(--r-lg);padding:clamp(20px,3vw,32px);display:grid;gap:14px}
.form-card h3{font-size:1.3rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-note{font-size:.88rem;color:var(--muted)}
.form-msg{padding:12px 14px;border-radius:10px;background:var(--leaf-soft);color:var(--ink);font-size:.95rem}
@media (max-width:860px){.cta-grid{grid-template-columns:1fr}}
@media (max-width:520px){.form-row{grid-template-columns:1fr}}

/* Page head / breadcrumb */
.page-head{padding-block:40px 24px}
.crumbs{font-size:.88rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted)}
.page-head h1{font-size:clamp(2rem,4.6vw,3.4rem);margin-top:12px}
.page-head .lede{margin-top:14px}

/* Filters */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:24px}
.toolbar .search{flex:1 1 260px;max-width:380px}
.toolbar select{width:auto;min-width:200px}
.count{color:var(--muted);font-size:.92rem}
.empty{padding:40px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:var(--r-md)}

/* Product detail */
.pd{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px);align-items:start}
.pd-media img{border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);width:100%}
.pd-info{display:flex;flex-direction:column;gap:20px;min-width:0}
.pd-info h1{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.pd-price{font:800 2rem var(--f-display);color:var(--dona-red);font-variant-numeric:tabular-nums}
.pd-price small{font:500 .9rem var(--f-body);color:var(--muted);margin-left:8px}
.specs{display:grid;grid-template-columns:auto minmax(0,1fr);border-top:1px solid var(--line)}
.specs dt,.specs dd{padding:12px 0;border-bottom:1px solid var(--line);margin:0}
.specs dt{color:var(--muted);padding-right:20px;font-size:.94rem}
.specs dd{font-weight:600}
.pd-actions{display:flex;flex-wrap:wrap;gap:10px}
.note{font-size:.9rem;color:var(--muted);background:var(--leaf-soft);padding:12px 14px;border-radius:10px}
@media (max-width:860px){.pd{grid-template-columns:1fr}}

/* Article */
.article{display:grid;grid-template-columns:minmax(0,68ch) minmax(0,1fr);gap:56px;align-items:start}
.prose{font-size:1.06rem}
.prose h2{font-size:1.6rem;margin:40px 0 14px;padding-top:8px;border-top:2px solid var(--leaf)}
.prose h3{font:700 1.15rem/1.35 var(--f-body);letter-spacing:0;margin:28px 0 10px;color:var(--leaf)}
.prose p{margin:0 0 14px}
.prose ul{margin:0 0 16px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose li ul{margin-top:8px}
.prose .warn{background:var(--flesh-soft);border-radius:var(--r-md);padding:18px 20px;margin:24px 0}
.prose .warn h3{margin-top:0;color:var(--ink)}
.table-wrap{overflow-x:auto;margin:16px 0 24px}
.prose table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--leaf-soft)}
.aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;display:flex;flex-direction:column;gap:12px}
.aside-card h3{font-size:1.05rem}
.aside-card a.mini{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-weight:600;font-size:.93rem}
.aside-card a.mini img{width:56px;height:56px;border-radius:8px;object-fit:cover;flex:none}
@media (max-width:960px){.article{grid-template-columns:minmax(0,1fr)}.aside{position:static}}

/* About */
.about-intro{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,5vw,64px);align-items:start}
.about-intro img{border-radius:var(--r-lg)}
.prose-plain p{margin-bottom:16px;max-width:66ch}
.markets{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.markets span{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.9rem;font-weight:600}
.offices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.office{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;display:flex;flex-direction:column;gap:8px}
.office .k{font-size:.85rem;color:var(--muted)}
@media (max-width:760px){.about-intro,.offices{grid-template-columns:1fr}}

/* Footer */
.site-footer{background:var(--leaf-deep);color:var(--on-deep);padding-block:56px 32px;font-size:.95rem}
.site-footer a{color:var(--on-deep);text-decoration:none}
.site-footer a:hover{color:var(--flesh)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.foot-grid h4{font:700 1rem var(--f-display);margin-bottom:12px;color:#fff}
:root[data-theme="dark"] .foot-grid h4{color:var(--on-deep)}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot-grid p{color:color-mix(in srgb,var(--on-deep) 75%,transparent)}
.foot-brand{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.foot-brand img{width:52px;height:52px;background:#fff;border-radius:50%;padding:4px}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid color-mix(in srgb,var(--on-deep) 16%,transparent);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:color-mix(in srgb,var(--on-deep) 65%,transparent);font-size:.85rem}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* Mobile action bar */
.action-bar{display:none}
@media (max-width:760px){
  .action-bar{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:55;background:var(--surface);border-top:1px solid var(--line);padding:8px max(10px,env(safe-area-inset-right,0px)) calc(8px + env(safe-area-inset-bottom,0px)) max(10px,env(safe-area-inset-left,0px));gap:8px;box-shadow:0 -6px 20px -12px rgba(0,0,0,.25)}
  .action-bar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;border-radius:10px;text-decoration:none;font-size:.78rem;font-weight:700;color:var(--ink)}
  .action-bar a svg{width:22px;height:22px}
  .action-bar a.call{background:var(--dona-red);color:#fff}
  .action-bar a.zalo{background:#0068FF;color:#fff}
  .action-bar a.order{background:var(--leaf-soft);color:var(--leaf)}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
}

.head-row{display:flex;flex-wrap:wrap;gap:16px;align-items:end;justify-content:space-between}
.mt-s{margin-top:12px}.mt-m{margin-top:24px}.mt-l{margin-top:40px}
.alt{background:var(--surface);border-block:1px solid var(--line)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media (max-width:520px){.tag{padding:18px 18px 16px 46px}.tag::before{left:16px}.tag::after{display:none}.tag dl{grid-template-columns:1fr;gap:2px}.tag dd{margin-bottom:8px}}

/* ---------- v2 shared sections ---------- */
.btn-outline-light{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.mech-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(28px,5vw,64px);align-items:center}
.mech-fig{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(12px,2vw,24px)}
.mech{width:100%;height:auto;display:block}
.m-ground{stroke:var(--line);stroke-width:2}
.m-canopy{fill:var(--leaf-soft);stroke:var(--leaf);stroke-width:2}
.m-trunk{fill:var(--trunk,#8A6A4A)}
.m-root{fill:none;stroke:var(--trunk,#8A6A4A);stroke-width:4;stroke-linecap:round}
.m-flow{stroke:var(--accent2,var(--leaf));stroke-width:4;stroke-dasharray:6 6;fill:none}
.m-flow.alt,.m-flowhead.alt{stroke:var(--flesh)}
.m-flowhead{fill:none;stroke:var(--accent2,var(--leaf));stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.m-dot{fill:var(--leaf)}
.m-num{fill:var(--surface);font:700 17px var(--f-body);text-anchor:middle}
.m-lbl{fill:var(--ink);font:700 20px var(--f-body)}
.m-lbl.small{font-size:17px}
.m-sub{fill:var(--muted);font:500 16px var(--f-body)}
.m-arrow{fill:none;stroke:var(--muted);stroke-width:1.6;stroke-dasharray:4 4}
.m-arrow.thin{stroke-width:1.2}
@media (prefers-reduced-motion:no-preference){.m-flow{animation:flow 1.6s linear infinite}.m-flow.alt{animation-direction:reverse}@keyframes flow{to{stroke-dashoffset:-24}}}
.mech-steps{margin:0;padding:0;list-style:none;counter-reset:s;display:grid;gap:14px}
.mech-steps li{counter-increment:s;position:relative;padding-left:44px;color:var(--muted)}
.mech-steps li b{color:var(--ink)}
.mech-steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--leaf);color:var(--surface);font:700 .95rem/30px var(--f-body);text-align:center}
@media (max-width:860px){.mech-grid{grid-template-columns:1fr}}

.stages{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:24px;align-items:start}
.stage-tabs{display:flex;flex-direction:column;gap:6px}
.stage-tabs [role=tab]{display:flex;gap:14px;align-items:center;text-align:left;padding:12px 14px;border-radius:var(--r-md);border:1.5px solid transparent;background:transparent;color:var(--ink);cursor:pointer;font:inherit}
.stage-tabs [role=tab]:hover{background:var(--leaf-soft)}
.stage-tabs [role=tab][aria-selected=true]{background:var(--surface);border-color:var(--leaf)}
.stage-tabs b{display:block;font-size:1rem}
.stage-tabs small{display:block;color:var(--muted);font-size:.85rem}
.st-n{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:700;border:1.5px solid var(--leaf);color:var(--leaf)}
[aria-selected=true] .st-n{background:var(--leaf);color:var(--surface)}
.stage-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(20px,3vw,32px)}
.stage-panel h3{font-size:1.4rem;margin-bottom:14px}
.stage-panel ul{margin:0 0 18px;padding-left:20px;display:grid;gap:10px}
@media (max-width:860px){.stages{grid-template-columns:1fr}.stage-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px}.stage-tabs [role=tab]{flex:none}.stage-tabs small{display:none}}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:32px 0 0;border-top:1px solid var(--line)}
.stats>div{padding:24px 24px 24px 0;border-bottom:1px solid var(--line)}
.stats>div+div{padding-left:24px;border-left:1px solid var(--line)}
.stats dt{font-size:.92rem;color:var(--muted)}
.stats dd{margin:6px 0 8px;font:700 clamp(2rem,4vw,3rem)/1 var(--f-display);color:var(--leaf);font-variant-numeric:tabular-nums}
.stats p{font-size:.9rem;color:var(--muted)}
@media (max-width:860px){.stats{grid-template-columns:1fr 1fr}.stats>div:nth-child(3){padding-left:0;border-left:0}}
@media (max-width:480px){.stats{grid-template-columns:1fr}.stats>div,.stats>div+div{padding-left:0;border-left:0}}

.certs{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cert{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:18px}
.cert svg{width:28px;height:28px;flex:none;color:var(--leaf)}
.cert div{display:flex;flex-direction:column;gap:2px;min-width:0}
.c-yr{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums}
.c-no{font-size:.9rem;color:var(--muted)}
@media (max-width:860px){.certs{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.certs{grid-template-columns:1fr}}

/* ---------- CMS: bài viết, phân trang ---------- */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;text-decoration:none;color:var(--ink)}
.post-card:hover{border-color:var(--leaf)}
.post-card img{aspect-ratio:3/2;object-fit:cover;width:100%;background:var(--leaf-soft)}
.post-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.post-card .meta{font-size:.82rem;color:var(--muted)}
.post-card h3{font:600 1.1rem/1.35 var(--f-display)}
.post-card p{color:var(--muted);font-size:.94rem}
.post-meta{color:var(--muted);font-size:.92rem;margin-top:10px}
.post-cover{margin:0 0 24px}.post-cover img{border-radius:var(--r-md);width:100%}
.prose img{border-radius:var(--r-md);margin:16px 0}
.prose a{word-break:break-word}
.pager{display:flex;gap:8px;flex-wrap:wrap;margin-top:32px}
.pager a,.pager span{min-width:44px;min-height:44px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-weight:600}
.pager span{background:var(--leaf);color:var(--surface);border-color:var(--leaf)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-card{position:relative}
@media (min-width:961px) and (max-width:1200px){.header-call{display:none}.nav a{padding:10px 10px;font-size:.94rem}}

/* ---------- Ảnh minh hoạ trong bài kỹ thuật ---------- */
.prose figure{margin:24px 0}
.prose figure img{width:100%;height:auto;margin:0;border-radius:var(--r-md);background:var(--mint)}
.prose figcaption{font-size:.9rem;color:var(--muted);margin-top:8px;line-height:1.5}
.prose figure.small{max-width:600px}
.prose figure.small img{image-rendering:auto}
.prose figure.wide-strip img{border-radius:8px}
.post-cover img{aspect-ratio:16/9;object-fit:cover}
.guide.has-img{grid-template-columns:72px minmax(0,1fr) auto;gap:16px}
.guide.has-img img{width:72px;height:72px;border-radius:12px;object-fit:cover}
@media (max-width:520px){.guide.has-img{grid-template-columns:60px minmax(0,1fr)}.guide.has-img img{width:60px;height:60px}.guide.has-img .chip{display:none}}
.prose{min-width:0}

/* ---------- Tin tức, tài liệu, video ---------- */
.cat-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.cat-tabs a{padding:9px 18px;border-radius:999px;border:1.5px solid var(--line);text-decoration:none;color:var(--ink);font-weight:600;background:var(--surface)}
.cat-tabs a:hover{border-color:var(--leaf)}
.cat-tabs a[aria-current]{background:var(--leaf);border-color:var(--leaf);color:#fff}
.pc-img{position:relative;display:block}
.play{position:absolute;inset:0;margin:auto;width:58px;height:58px;border-radius:50%;background:rgba(15,42,34,.72);box-shadow:0 0 0 3px rgba(255,255,255,.85)}
.play::after{content:"";position:absolute;left:23px;top:18px;border-style:solid;border-width:11px 0 11px 18px;border-color:transparent transparent transparent #fff}
.post-card .ext{margin-top:auto;padding-top:4px;font-size:.88rem;font-weight:600;color:var(--leaf)}
.post-card .body{flex:1}
.video-embed{position:relative;aspect-ratio:16/9;margin:0 0 24px;border-radius:var(--r-md);overflow:hidden;background:#000}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- Bán hàng ---------- */
.header-cart{position:relative;display:grid;place-items:center;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);color:var(--ink);flex:none;background:var(--surface)}
.header-cart svg{width:22px;height:22px}
.header-cart b{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--dona-red);color:#fff;font:700 .72rem/20px var(--f-body);text-align:center}
@media (max-width:960px){.header-cart{margin-left:auto}.header-cart+.header-call+.menu-btn{margin-left:8px}}
.buy-box{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--mint,var(--leaf-soft))}
.buy-box .stock{width:100%;margin:0;color:var(--leaf);font-weight:600}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden}
.qty button{width:40px;height:44px;border:0;background:transparent;font-size:1.2rem;cursor:pointer;color:var(--ink)}
.qty button:hover{background:var(--leaf-soft)}
.qty input{width:56px;min-height:44px;border:0;border-radius:0;text-align:center;padding:0;-moz-appearance:textfield}
.qty input::-webkit-inner-spin-button,.qty input::-webkit-outer-spin-button{-webkit-appearance:none}
.warn-txt{color:var(--dona-red);font-weight:600;font-size:.92rem}
.form-msg.err{background:#FDECEA;color:#B42318}
.cart-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}
.cart-lines{display:flex;flex-direction:column;gap:12px}
.cart-line{display:grid;grid-template-columns:88px minmax(0,1fr) auto auto auto;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:12px}
.cart-line img{width:88px;height:88px;object-fit:cover;border-radius:10px}
.cl-info{display:flex;flex-direction:column;gap:4px;min-width:0}
.cl-name{font-weight:700;color:var(--ink);text-decoration:none}
.cl-total{font-variant-numeric:tabular-nums;min-width:100px;text-align:right}
.cl-remove{border:0;background:none;color:var(--muted);cursor:pointer;text-decoration:underline;font:inherit}
.row-end{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:8px}
.summary{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}
.summary h2{font-size:1.2rem}
.summary dl,.kv,.bank-box dl{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0}
.summary dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}
.summary .tot{font-weight:800;font-size:1.1rem;border-top:1px solid var(--line);padding-top:10px}
.summary dd.tot{color:var(--dona-red)}
.sum-lines{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:.94rem}
.sum-lines li{display:flex;justify-content:space-between;gap:12px}
.btn.block{width:100%;justify-content:center}
.panel-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;display:grid;gap:14px;margin:0;min-width:0}
.panel-box legend{font:700 1.15rem var(--f-display);padding:0 6px}
.panel-box h2{font-size:1.2rem}
.kv dt,.bank-box dt{color:var(--muted)}.kv dd,.bank-box dd{margin:0}
.pay-opt{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer}
.pay-opt:has(input:checked){border-color:var(--leaf);background:var(--leaf-soft)}
.pay-opt input{margin-top:4px;accent-color:var(--leaf);width:18px;height:18px}
.pay-opt b{display:block}.pay-opt small{color:var(--muted)}
.bank-box{grid-template-columns:auto minmax(0,1fr);align-items:start}
.bank-box img{border-radius:12px;border:1px solid var(--line);background:#fff;width:240px;height:auto}
.bank-box p{grid-column:1/-1}
.empty-cart{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
@media (max-width:960px){.cart-grid{grid-template-columns:minmax(0,1fr)}.summary{position:static}}
@media (max-width:640px){.cart-line{grid-template-columns:64px minmax(0,1fr) auto;grid-template-areas:"img info info" "img qty total" "img rm rm"}.cart-line img{width:64px;height:64px;grid-area:img}.cl-info{grid-area:info}.cart-line .qty{grid-area:qty}.cl-total{grid-area:total}.cl-remove{grid-area:rm;justify-self:start}.bank-box{grid-template-columns:1fr}.bank-box img{width:100%;max-width:280px}}
.sum-lines b{white-space:nowrap}
@media (max-width:960px){.site-header .wrap{gap:10px}.header-cart{width:44px;height:44px}}@media (max-width:400px){.brand small{display:none}}