:root, [data-theme="dark"]{
  --green:#D5E72F;
  --bg:#000000; --text:#ffffff; --heading:#ffffff; --muted:#b5bbc1;
  --card:#0f0f0f; --card-border:rgba(255,255,255,.10); --card-text:#c7ccd1;
  --line:rgba(255,255,255,.10);
  --hero-bg:#000000; --hero-text:#ffffff; --hero-sub:#c7ccd1; --hero-grid:rgba(213,231,47,.06);
  --strip-bg:#0f0f0f; --strip-text:#e8e8e8; --strip-muted:#9aa0a6;
  --header-bg:rgba(0,0,0,.85);
  --input-bg:#0e0e0e; --input-border:rgba(255,255,255,.18); --input-text:#fff;
  --eyebrow:var(--green);
}
[data-theme="light"]{
  --green:#D5E72F;
  --bg:#ffffff; --text:#1a1a1a; --heading:#0a0a0a; --muted:#5f6b12;
  --card:#ffffff; --card-border:#e8ecd6; --card-text:#5a6172;
  --line:#e6e9d5;
  --hero-bg:#f6fae0; --hero-text:#0a0a0a; --hero-sub:#4a5320; --hero-grid:rgba(120,140,0,.14);
  --strip-bg:#f4f8d8; --strip-text:#2a2f10; --strip-muted:#6c7420;
  --header-bg:rgba(255,255,255,.9);
  --input-bg:#ffffff; --input-border:#d3d99f; --input-text:#111;
  --eyebrow:#5c6b00;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Lexend',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;transition:background .3s,color .3s}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.mono{font-variant-numeric:tabular-nums}
section{position:relative}
h1,h2,h3{font-weight:800;line-height:1.1;letter-spacing:-.02em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--eyebrow)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--green)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:13px 24px;border-radius:999px;cursor:pointer;border:none;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--green);color:#111}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(213,231,47,.45)}
.btn-ghost{background:transparent;color:var(--hero-text);border:1px solid currentColor;opacity:.9}
.btn-ghost:hover{border-color:var(--green);color:var(--green);opacity:1}
.btn-dark{background:#111;color:#fff}
.btn-dark:hover{background:#000}
.sym{height:1em;width:auto;vertical-align:-.12em}

/* HEADER */
header{position:sticky;top:0;z-index:900;background:var(--header-bg);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .3s}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav .logo{height:34px;display:block}
[data-theme="dark"] .logo-light{display:none}
[data-theme="light"] .logo-dark{display:none}
.nav ul{display:flex;gap:26px;list-style:none}
.nav ul a{color:var(--text);font-size:15px;font-weight:500;transition:.2s;opacity:.88}
.nav ul a:hover{color:var(--green);opacity:1}
.nav .cta{display:flex;align-items:center;gap:12px}
.ttoggle{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.ttoggle:hover{border-color:var(--green);color:var(--green)}
.ttoggle svg{width:19px;height:19px}
[data-theme="dark"] .ic-sun{display:none}
[data-theme="light"] .ic-moon{display:none}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.burger span{width:26px;height:2px;background:var(--text);display:block}

/* HERO */
.hero{background:var(--hero-bg);color:var(--hero-text);padding:96px 0 80px;overflow:hidden;transition:background .3s,color .3s}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--hero-grid) 1px,transparent 1px),linear-gradient(90deg,var(--hero-grid) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 80% 70% at 70% 20%,#000 40%,transparent 100%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(38px,6vw,74px);font-weight:900;text-transform:lowercase}
.hero h1 .hl{color:var(--green);-webkit-text-stroke:0}
[data-theme="light"] .hero h1 .hl{color:#7f9200}
.hero p.lead{color:var(--hero-sub);font-size:19px;max-width:520px;margin:22px 0 32px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative;height:380px;display:flex;align-items:center;justify-content:center}
.station{position:relative;width:210px;height:320px;border-radius:22px;background:linear-gradient(180deg,#1b1b1b,#0c0c0c);border:1px solid rgba(213,231,47,.35);box-shadow:0 30px 80px rgba(0,0,0,.5), inset 0 0 40px rgba(213,231,47,.06);display:flex;flex-direction:column;align-items:center;padding-top:24px}
.station .screen{width:150px;height:96px;border-radius:10px;background:#000;border:1px solid rgba(213,231,47,.4);display:flex;align-items:center;justify-content:center;color:var(--green);font-weight:800;font-size:30px;letter-spacing:1px}
.station .slots{margin-top:20px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:9px}
.station .slot{width:40px;height:52px;border-radius:6px;background:#161616;border:1px solid #2a2a2a;position:relative}
.station .slot.on{border-color:var(--green);box-shadow:0 0 12px rgba(213,231,47,.5)}
.station .slot.on::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:14px;height:26px;background:var(--green);border-radius:3px;opacity:.85}
.spark{position:absolute;top:12px;right:14px;height:26px;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:.45}50%{opacity:1}}
.orbit{position:absolute;width:360px;height:360px;border:1px dashed rgba(213,231,47,.3);border-radius:50%;animation:spin 22s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.orbit .dot{position:absolute;top:-6px;left:50%;width:12px;height:12px;border-radius:50%;background:var(--green);box-shadow:0 0 14px var(--green)}

/* PAYMENT STRIP */
.paystrip{background:var(--strip-bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;transition:background .3s}
.paystrip .wrap{display:flex;align-items:center;gap:26px;flex-wrap:wrap;justify-content:center}
.paystrip span.lbl{color:var(--strip-muted);font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.paystrip .pay{color:var(--strip-text);font-weight:700;font-size:16px;padding:6px 14px;border:1px solid var(--line);border-radius:8px}

/* SECTION SHELL */
.sec{padding:88px 0}
.sec-head{max-width:660px;margin-bottom:44px}
.sec-head h2{font-size:clamp(28px,4vw,44px);margin-top:14px;color:var(--heading)}
.sec-head p{color:var(--muted);font-size:17px;margin-top:14px}
/* band = always-dark accent section (both themes) */
.band{background:#000;color:#fff}
.band .sec-head h2{color:#fff}
.band .sec-head p{color:#b5bbc1}

/* PRODUCTS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:18px;padding:30px 26px;transition:.25s}
.card:hover{transform:translateY(-6px);border-color:var(--green);box-shadow:0 18px 44px rgba(0,0,0,.12)}
.card .ic{width:52px;height:52px;border-radius:13px;background:#000;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ic img{height:26px}
.card h3{font-size:20px;color:var(--heading)}
.card p{color:var(--card-text);font-size:15px;margin-top:10px}
/* SẢN PHẨM / DỊCH VỤ */
.sub-title{font-size:23px;font-weight:800;color:var(--heading);display:flex;align-items:center;gap:12px;margin-bottom:22px;letter-spacing:-.01em}
.sub-title .tick{width:26px;height:3px;background:var(--green);border-radius:2px}
.sub-title small{font-weight:500;font-size:14px;color:var(--muted);letter-spacing:0}
.machines{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pcard{background:var(--card);border:1px solid var(--card-border);border-radius:18px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);border-color:var(--green);box-shadow:0 18px 44px rgba(0,0,0,.12)}
.pimg{aspect-ratio:16/11;position:relative;background:linear-gradient(135deg,#141414,#000);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--card-border);overflow:hidden}
.machines .pimg{aspect-ratio:4/5}
.pimg.has-photo{background:#fff}
.pimg img.photo{width:100%;height:100%;object-fit:contain;padding:12px}
.pimg .ph{display:flex;flex-direction:column;align-items:center;gap:8px}
.pimg .ph img{width:38px;height:auto;opacity:.9}
.pimg .ph span{font-size:12px;color:#8a9400;letter-spacing:.03em;font-weight:600}
.pimg .badge{position:absolute;top:12px;left:12px;background:var(--green);color:#111;font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px}
.pbody{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.pbody h4{font-size:17px;color:var(--heading);font-weight:700}
.pbody p{color:var(--card-text);font-size:14px;margin-top:8px}
.spec{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:0}
.spec li{display:flex;justify-content:space-between;gap:10px;font-size:13px;padding:7px 0;border-top:1px dashed var(--card-border)}
.spec li b{color:var(--muted);font-weight:500}
.spec li span{color:var(--heading);font-weight:600;text-align:right}

/* STATS (band) */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat .n{font-size:clamp(34px,5vw,56px);font-weight:900;color:var(--green);line-height:1}
.stat .l{color:#b5bbc1;font-size:15px;margin-top:8px}

/* MAP / STORE FINDER */
.finder{display:grid;grid-template-columns:.9fr 1.6fr;gap:26px;align-items:stretch}
.finder .panel{background:var(--card);border:1px solid var(--card-border);border-radius:18px;padding:24px;display:flex;flex-direction:column}
.finder input,.finder select{width:100%;padding:12px 14px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--input-text);border-radius:10px;font-family:inherit;font-size:15px;margin-top:10px}
.finder .list{margin-top:16px;overflow:auto;max-height:300px;display:flex;flex-direction:column;gap:10px}
.finder .item{border:1px solid var(--card-border);border-radius:12px;padding:12px 14px;cursor:pointer;transition:.15s}
.finder .item:hover{border-color:var(--green);background:rgba(213,231,47,.08)}
.finder .item b{font-size:15px;color:var(--heading)}
.finder .item small{color:var(--muted);display:block}
#map{height:440px;border-radius:18px;border:1px solid var(--card-border);z-index:1}

/* PROPOSAL FORM (band) */
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:640px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.band .field label{font-size:14px;font-weight:600;color:#ddd}
.band input,.band select,.band textarea{padding:13px 15px;border:1px solid rgba(255,255,255,.18);background:#0e0e0e;color:#fff;border-radius:11px;font-family:inherit;font-size:15px}
.band input:focus,.band select:focus,.band textarea:focus{outline:none;border-color:var(--green)}
.note{color:#8a8f94;font-size:13px;margin-top:12px}

/* BLOG */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{border:1px solid var(--card-border);border-radius:18px;overflow:hidden;background:var(--card);transition:.25s}
.post:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(0,0,0,.12)}
.post .thumb{height:172px;background:#000;display:flex;align-items:center;justify-content:center;position:relative}
.post .thumb img{height:54px}
.post .thumb .tag{position:absolute;top:12px;left:12px;background:var(--green);color:#111;font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px}
.post .body{padding:20px}
.post .body .date{color:var(--muted);font-size:13px}
.post .body h3{font-size:18px;margin:6px 0 8px;color:var(--heading)}
.post .body p{color:var(--card-text);font-size:14px}

/* EVENTS (band) */
.events{display:flex;flex-direction:column;gap:0}
.ev{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1)}
.ev .when{color:var(--green);font-weight:700;font-size:15px}
.ev h3{font-size:19px;color:#fff}
.ev p{color:#b5bbc1;font-size:15px;margin-top:6px}

/* JOBS */
.jobs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.job{border:1px solid var(--card-border);border-radius:14px;padding:22px;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:.2s;background:var(--card)}
.job:hover{border-color:var(--green)}
.job .meta small{color:var(--muted)}
.job h3{font-size:18px;color:var(--heading)}
.jobform input,.jobform select{padding:13px 15px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--input-text);border-radius:11px;font-family:inherit;font-size:15px}
.jobform label{color:var(--text);font-size:14px;font-weight:600}

/* FOOTER (always dark) */
footer{background:#000;color:#cfd3d7;padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.1)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
footer .flogo{height:40px;margin-bottom:16px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.04em}
footer ul{list-style:none;display:flex;flex-direction:column;gap:9px}
footer ul a{color:#a5abb1;font-size:14px}
footer ul a:hover{color:var(--green)}
footer .contact p{font-size:14px;margin-bottom:8px}
footer .contact b{color:var(--green)}
.fbar{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7d838a;font-size:13px}

.pcard{cursor:pointer}
/* MODAL — chi tiết sản phẩm/dịch vụ */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.62);backdrop-filter:blur(3px);z-index:970;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal .box{background:var(--bg);color:var(--text);width:100%;max-width:820px;max-height:90vh;overflow-y:auto;border-radius:20px;border:1px solid var(--card-border);position:relative}
.modal .mgrid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.modal .mimg{background:#fff;display:flex;align-items:center;justify-content:center;min-height:320px}
.modal .mimg img{width:100%;height:100%;max-height:440px;object-fit:contain;padding:20px}
.modal .mimg.ph{background:linear-gradient(135deg,#141414,#000)}
.modal .mimg.ph img{width:70px;height:auto;opacity:.9}
.modal .mbody{padding:30px 30px 34px}
.modal .mbody .badge{display:inline-block;background:var(--green);color:#111;font-size:12px;font-weight:700;padding:4px 12px;border-radius:6px;margin-bottom:12px}
.modal .mbody h3{font-size:26px;color:var(--heading);margin-bottom:12px}
.modal .mbody p{color:var(--card-text);font-size:15px;margin-bottom:16px}
.modal .mbody .spec{margin-top:6px}
.modal .mclose{position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;border:none;font-size:20px;cursor:pointer;z-index:2;display:flex;align-items:center;justify-content:center}
.modal .mclose:hover{background:#000}
.modal .mcta{margin-top:20px}
@media(max-width:680px){.modal .mgrid{grid-template-columns:1fr}.modal .mimg{min-height:220px}}
/* ARTICLE — trang bài tin (mô phỏng trang riêng) */
.article{position:fixed;inset:0;background:var(--bg);color:var(--text);z-index:980;overflow-y:auto;display:none}
.article.open{display:block}
.article .abar{position:sticky;top:0;background:var(--header-bg);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.article .abar img{height:30px}
.article .aback{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:999px;padding:8px 18px;cursor:pointer;font-family:inherit;font-weight:600;font-size:14px}
.article .aback:hover{border-color:var(--green);color:var(--green)}
.article .awrap{max-width:760px;margin:0 auto;padding:44px 24px 80px}
.article .atag{display:inline-block;background:var(--green);color:#111;font-size:12px;font-weight:700;padding:4px 12px;border-radius:6px}
.article .adate{color:var(--muted);font-size:14px;margin:14px 0 6px}
.article h1{font-size:clamp(28px,4vw,40px);color:var(--heading);line-height:1.15;margin-bottom:20px}
.article .ahero{aspect-ratio:16/7;background:linear-gradient(135deg,#141414,#000);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:8px 0 28px}
.article .ahero img{height:70px;opacity:.9}
.article .abody{color:var(--text);font-size:17px;line-height:1.8}
.article .abody p{margin-bottom:18px}
.article .abody h3{color:var(--heading);font-size:22px;margin:26px 0 10px}
/* FLOATING BUTTONS */
.floats{position:fixed;right:20px;bottom:22px;z-index:950;display:flex;flex-direction:column;gap:12px}
.fab{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;box-shadow:0 8px 22px rgba(0,0,0,.28);cursor:pointer;position:relative;transition:.2s}
.fab:hover{transform:scale(1.08)}
.fab.zalo{background:#0068ff}
.fab.phone{background:#22b04b}
.fab.chat{background:var(--green);color:#111}
.fab .rgn{position:absolute;inset:0;border-radius:50%;border:2px solid currentColor;animation:ring 1.8s infinite;opacity:.6}
@keyframes ring{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.6);opacity:0}}
.fab svg{width:26px;height:26px}

/* CHAT WIDGET */
.chatbox{position:fixed;right:20px;bottom:92px;width:330px;max-width:calc(100vw - 40px);background:#fff;border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.28);overflow:hidden;z-index:951;display:none;flex-direction:column}
.chatbox.open{display:flex}
.chatbox .ch-h{background:#000;color:#fff;padding:16px 18px;display:flex;align-items:center;gap:10px}
.chatbox .ch-h .dot{width:9px;height:9px;background:var(--green);border-radius:50%}
.chatbox .ch-b{padding:16px;height:230px;overflow:auto;background:#f7f7f5;display:flex;flex-direction:column;gap:10px}
.bubble{max-width:82%;padding:10px 13px;border-radius:13px;font-size:14px}
.bubble.bot{background:#fff;border:1px solid #eee;align-self:flex-start;color:#222}
.bubble.me{background:var(--green);color:#111;align-self:flex-end}
.chatbox .ch-i{display:flex;border-top:1px solid #eee}
.chatbox .ch-i input{flex:1;border:none;padding:14px;font-family:inherit;font-size:14px;outline:none}
.chatbox .ch-i button{border:none;background:#000;color:var(--green);padding:0 18px;cursor:pointer;font-weight:700}

/* toast */
.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(120px);background:#111;color:#fff;padding:15px 26px;border-radius:12px;border:1px solid var(--green);z-index:999;transition:.35s;font-size:15px}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast b{color:var(--green)}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr}.hero-visual{display:none}
  .cards,.posts{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .finder{grid-template-columns:1fr}.jobs{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .nav ul{display:none}.burger{display:flex}
  .formgrid{grid-template-columns:1fr}
}
@media(max-width:560px){.cards,.posts,.fgrid{grid-template-columns:1fr}}

/* ==== multi-page additions ==== */
.nav ul a.active{color:var(--green)}
.prose{color:var(--text);font-size:16px;line-height:1.8}
.prose p{margin-bottom:16px}
.prose h3{color:var(--heading);font-size:22px;margin:26px 0 10px}
.prose ul{margin:0 0 16px 20px}
.prose li{margin-bottom:8px}
.prose a{color:var(--eyebrow);text-decoration:underline}
.prose em{color:var(--muted)}