/* Greencode · Greenworld — design system
   Nét chính: nền xanh ngọc có lớp lang, chữ hiển thị lớn, thẻ nổi khối, chuyển động nhẹ và tôn trọng prefers-reduced-motion. */

:root{
  /* màu thương hiệu */
  --green:#0f9f5f; --green-d:#0a7a49; --green-x:#3fd08a; --green-l:#eaf8f0;
  --ink:#0b1712; --ink-2:#3f544a; --ink-3:#5d7368;
  --bg:#ffffff; --bg-2:#f4f9f6; --bg-3:#eaf3ee;
  --line:#e2ece6; --line-2:#cfe0d6;
  --warn:#7f5c07; --bad:#c0392b; --gold:#8a6100;
  --on-green:#ffffff;

  /* hình thái */
  --radius:16px; --r-sm:10px; --r-lg:22px;
  --shadow:0 1px 2px rgba(11,23,18,.05), 0 8px 20px -10px rgba(11,23,18,.14);
  --shadow-2:0 2px 6px rgba(11,23,18,.06), 0 20px 44px -18px rgba(11,23,18,.24);
  --shadow-3:0 30px 70px -28px rgba(11,23,18,.34);
  --glow:0 12px 30px -10px rgba(15,159,95,.45);
  --ring:0 0 0 3px color-mix(in srgb,var(--green) 28%,transparent);
  --grad:linear-gradient(120deg,#075f38,var(--green-d) 45%,#0a8352);
  --grad-text:linear-gradient(92deg,#075f38,var(--green-d) 42%,#0a8352);

  /* chuyển động */
  --e-out:cubic-bezier(.22,.61,.36,1);
  --e-spring:cubic-bezier(.34,1.4,.5,1);
  --t:.28s;

  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace;
  color-scheme:light;
}
[data-theme=dark]{
  --green:#3ddc84; --green-d:#22c55e; --green-x:#7bf0b0; --green-l:#12291d;
  --ink:#eaf6ef; --ink-2:#bdd2c7; --ink-3:#9ab3a7;
  --on-green:#06130c;
  --bg:#0a1210; --bg-2:#0e1a15; --bg-3:#132319;
  --line:#1e3128; --line-2:#294034;
  --shadow:0 1px 2px rgba(0,0,0,.5), 0 10px 26px -12px rgba(0,0,0,.7);
  --shadow-2:0 2px 8px rgba(0,0,0,.5), 0 24px 50px -20px rgba(0,0,0,.85);
  --shadow-3:0 34px 80px -30px rgba(0,0,0,.9);
  --glow:0 12px 34px -10px rgba(61,220,132,.35);
  --grad:linear-gradient(120deg,#2fbf6f,var(--green) 50%,var(--green-x));
  --grad-text:linear-gradient(92deg,var(--green-d),var(--green) 45%,var(--green-x));
  color-scheme:dark;
}

*{box-sizing:border-box}
/* phần tử có display do stylesheet quy định (drawer, chat...) vẫn phải ẩn khi gắn [hidden] */
[hidden]{display:none!important}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.62;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:clip;transition:background-color .35s var(--e-out),color .35s var(--e-out);
}
/* nền nhẹ, một quầng sáng duy nhất: sạch mắt, không tranh phần với nội dung */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(820px 460px at 50% -12%,color-mix(in srgb,var(--green) 9%,transparent),transparent 68%),var(--bg);
}
::selection{background:color-mix(in srgb,var(--green) 26%,transparent)}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--ink-3) 45%,transparent);border-radius:99px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--green) 65%,transparent);background-clip:content-box}
img,svg{max-width:100%}
a{color:var(--green-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.14;margin:0 0 .5em;letter-spacing:-.028em;text-wrap:balance;font-weight:800}
h1,.page-title{font-size:clamp(2.2rem,5vw,3.7rem);line-height:1.1;font-weight:800}
h2{font-size:clamp(1.45rem,2.7vw,2.1rem)}
h3{letter-spacing:-.018em}
p{margin:0 0 1em}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--r-sm)}

.wrap{width:min(1260px,94vw);margin:0 auto}
.wrap.narrow{width:min(820px,92vw)}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:var(--green-d);color:var(--on-green);padding:8px 12px;z-index:99}
.dim{color:var(--ink-2)}
.mono{font-family:var(--mono);font-size:.9em}

/* ---- chuyển động xuất hiện khi cuộn (JS thêm .rv / .rv-in; không có JS thì mọi thứ vẫn hiện) ---- */
.rv{opacity:0;transform:translateY(16px)}
.rv.rv-in{opacity:1;transform:none;transition:opacity .62s var(--e-out),transform .62s var(--e-out)}

/* ============================ header ============================ */
.site-head{
  position:sticky;top:0;z-index:40;
  background:color-mix(in srgb,var(--bg) 72%,transparent);
  backdrop-filter:blur(16px) saturate(1.6);-webkit-backdrop-filter:blur(16px) saturate(1.6);
  border-bottom:1px solid transparent;transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--green) 55%,transparent),transparent);opacity:.6}
.site-head.scrolled{background:color-mix(in srgb,var(--bg) 88%,transparent);box-shadow:var(--shadow)}
.head-in{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;font-size:1.1rem;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand-txt{display:flex;align-items:center;gap:6px;line-height:1}
.brand-txt b{color:var(--green-d);font-weight:800;letter-spacing:-.02em}
.brand-txt span{font-weight:700;letter-spacing:-.02em}
.b-ico{width:19px;height:19px;flex:none;color:var(--green-d);transition:transform .5s var(--e-spring)}
.brand:hover .b-ico{transform:scale(1.16) translateY(-1px)}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav a{position:relative;padding:7px 11px;border-radius:10px;color:var(--ink-2);font-weight:550;font-size:.92rem;transition:color var(--t),background var(--t)}
.nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:5px;height:2px;border-radius:2px;background:var(--grad);background-color:var(--green-d);transform:scaleX(0);transform-origin:left;transition:transform .32s var(--e-out)}
.nav a:hover{color:var(--ink);background:color-mix(in srgb,var(--green-l) 70%,transparent);text-decoration:none}
.nav a:hover::after{transform:scaleX(1)}
.nav a.active{color:var(--green-d);background:var(--green-l);font-weight:700}
.nav a.active::after{transform:scaleX(1)}
.head-act{display:flex;gap:6px;align-items:center}
.icon-btn{
  border:1px solid var(--line);background:var(--bg);color:var(--ink);width:40px;height:40px;border-radius:12px;cursor:pointer;
  display:grid;place-items:center;position:relative;transition:border-color var(--t),transform var(--t),box-shadow var(--t),background var(--t);
}
.icon-btn:hover{border-color:var(--green);color:var(--green-d);transform:translateY(-1px);box-shadow:var(--shadow)}
.icon-btn:active{transform:translateY(0) scale(.96)}
.cart-btn svg{display:block}
.cart-badge{position:absolute;top:-6px;right:-6px;background:var(--grad);background-color:var(--green-d);color:var(--on-green);font-size:.7rem;font-weight:800;min-width:20px;height:20px;border-radius:10px;display:grid;place-items:center;padding:0 5px;box-shadow:0 3px 10px -2px rgba(15,159,95,.7);animation:pop .34s var(--e-spring)}
.burger{display:none}

/* ============================ hero ============================ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1000px 460px at 10% -12%,color-mix(in srgb,var(--green) 20%,transparent),transparent 62%),
    radial-gradient(760px 400px at 96% -4%,color-mix(in srgb,var(--green-x) 16%,transparent),transparent 58%),
    linear-gradient(180deg,var(--bg-2),color-mix(in srgb,var(--bg-2) 40%,var(--bg)));
  border-bottom:1px solid var(--line);
  padding:clamp(26px,4.5vw,54px) 0 clamp(24px,3.6vw,44px);
}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,color-mix(in srgb,var(--green) 16%,transparent),transparent 62%);filter:blur(30px);
}
.hero-in{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(0,.84fr);gap:clamp(18px,2.6vw,32px);align-items:start;position:relative}
.hero-copy,.hero-demo,.intake{min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-weight:750;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green-d);background:color-mix(in srgb,var(--bg) 70%,var(--green-l));
  border:1px solid color-mix(in srgb,var(--green) 26%,transparent);padding:7px 14px;border-radius:999px;
  box-shadow:0 6px 18px -12px rgba(15,159,95,.8);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 color-mix(in srgb,var(--green) 60%,transparent);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);box-shadow:0 0 0 0 color-mix(in srgb,var(--green) 55%,transparent)}50%{opacity:.6;transform:scale(1.35);box-shadow:0 0 0 8px transparent}}
/* thương hiệu và khẩu hiệu đi trên CÙNG MỘT DÒNG; hẹp quá thì tự xuống dòng */
.hero-h{display:flex;flex-wrap:wrap;align-items:center;gap:9px 12px;margin:0 0 .5em;font-size:clamp(2.2rem,5vw,3.7rem);font-weight:800;letter-spacing:-.04em;line-height:1.1}
.hb{display:inline-flex;align-items:center;gap:6px;line-height:1;padding:6px 12px;border-radius:999px;
  background:color-mix(in srgb,var(--bg) 72%,var(--green-l));border:1px solid color-mix(in srgb,var(--green) 26%,transparent);
  font-size:clamp(.88rem,1.3vw,1.02rem);box-shadow:0 8px 20px -14px rgba(15,159,95,.9)}
.hb b{color:var(--green-d);font-weight:800;letter-spacing:-.02em}
.hb span{color:var(--ink-2);font-weight:700;letter-spacing:-.02em}
.hb .b-ico{width:16px;height:16px}
.hs{font-size:clamp(1.5rem,2.75vw,2.25rem);font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.grad,.hs{background:var(--grad-text);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:1.06rem;color:var(--ink-2);max-width:54ch}
.lede b{color:var(--ink);font-weight:700}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 12px}
.promise{list-style:none;padding:0;margin:0;display:flex;gap:7px 18px;flex-wrap:wrap;font-size:.88rem;color:var(--ink-2);font-weight:600}
.promise li{display:inline-flex;align-items:center;gap:8px}
.promise li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);background-color:var(--green-d);box-shadow:0 0 0 3px color-mix(in srgb,var(--green) 14%,transparent)}
.hero-note{margin:0;font-size:.92rem;color:var(--ink-2)}
.hero-note a{font-weight:650}

/* ---- ô kể yêu cầu ngay trong hero: vào việc luôn, không phải tìm nút ---- */
.intake{position:relative;background:var(--bg);border:1px solid var(--line-2);border-radius:20px;padding:15px 15px 14px;
  box-shadow:var(--shadow-2);display:grid;gap:10px;animation:fadeUp .55s var(--e-out) both}
.intake-head{display:grid;gap:2px}
.intake-head b{font-size:1.02rem;letter-spacing:-.01em}
.intake-head .dim{font-size:.82rem;line-height:1.45}
.intake textarea{min-height:104px;resize:vertical;line-height:1.55;font-size:.95rem}
.intake-chips{display:flex;gap:6px;flex-wrap:wrap}
.intake-chips button{border:1px dashed color-mix(in srgb,var(--green) 45%,var(--line));background:var(--bg-2);color:var(--green-d);
  border-radius:999px;padding:5px 11px;font-size:.79rem;font-weight:650;cursor:pointer;font-family:inherit;
  transition:transform var(--t),background var(--t),border-color var(--t)}
.intake-chips button:hover{background:var(--green-l);border-style:solid;transform:translateY(-1px)}
.intake-note{margin:0;font-size:.8rem;line-height:1.5}
.intake-note a{font-weight:650}

/* ---- ba bước + terminal đặt cạnh nhau: một khối, không rời rạc ---- */
.flow{display:grid;grid-template-columns:1fr 1.02fr;gap:14px;align-items:stretch;margin:18px 0 2px}
.flow-steps{display:grid;gap:10px;align-content:start}
.q-step{
  display:flex;gap:13px;align-items:flex-start;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--radius);padding:12px 14px;box-shadow:var(--shadow);
  transition:transform var(--t) var(--e-out),box-shadow var(--t),border-color var(--t);
}
.q-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:color-mix(in srgb,var(--green) 30%,var(--line))}
.q-step span{
  flex:none;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);background-color:var(--green-d);color:var(--on-green);font-weight:800;font-size:.9rem;box-shadow:var(--glow);
}
.q-step b{display:block;font-size:.98rem;margin-bottom:2px}
.q-step p{margin:0;font-size:.88rem;color:var(--ink-2);line-height:1.55}

/* ---- terminal demo ---- */
.term{
  position:relative;background:#0a1a14 linear-gradient(180deg,#08130f,#0a1a14);border:1px solid #1d3a2c;border-radius:18px;
  box-shadow:var(--shadow-3),0 0 0 1px rgba(63,208,138,.10) inset,0 0 60px -22px rgba(63,208,138,.55);
  overflow:hidden;font-family:var(--mono);font-size:.86rem;
}
.term::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(180deg,rgba(255,255,255,.022) 0 1px,transparent 1px 3px)}
.term-bar{display:flex;gap:6px;align-items:center;padding:11px 15px;background:#0c1a15;border-bottom:1px solid #1d3a2c}
.term-bar span{width:10px;height:10px;border-radius:50%;background:#2a4a3a;transition:transform .3s}
.term:hover .term-bar span{transform:scale(1.15)}
.term-bar span:first-child{background:#e05c5c}.term-bar span:nth-child(2){background:#e0b35c}.term-bar span:nth-child(3){background:#4ecb8a}
.term-bar em{margin-left:auto;color:#63997c;font-style:normal;font-size:.75rem;letter-spacing:.06em}
.term pre{margin:0;padding:14px 15px 8px;color:#c9f0d8;white-space:pre-wrap;min-height:206px;line-height:1.7}
.term pre .you{color:#8fb7a3}.term pre .gc{color:#4ecb8a}.term pre .ok{color:#e0b35c}
.term-foot{display:flex;justify-content:space-between;align-items:center;padding:10px 15px;border-top:1px solid #1d3a2c;color:#63997c;font-size:.75rem}
.spinner{width:12px;height:12px;border:2px solid #2a4a3a;border-top-color:#4ecb8a;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- stats ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:-26px auto 0;position:relative;z-index:2}
.stats div{
  position:relative;background:color-mix(in srgb,var(--bg) 92%,transparent);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 14px;text-align:center;box-shadow:var(--shadow);overflow:hidden;
  transition:transform var(--t) var(--e-out),box-shadow var(--t),border-color var(--t);backdrop-filter:blur(6px);
}
.stats div::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);background-color:var(--green-d);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--e-out)}
.stats div:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.stats div:hover::before{transform:scaleX(1)}
.stats b{display:block;font-size:1.75rem;color:var(--green-d);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.stats span{font-size:.82rem;color:var(--ink-2)}

/* ============================ khu nội dung ============================ */
.sec{margin:clamp(26px,3.4vw,40px) 0 14px}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-top:clamp(26px,3.4vw,40px)}
.sec-head .sec{margin-bottom:20px}
h2.sec{position:relative;padding-left:16px}
h2.sec::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--grad)}
.more{font-weight:700;white-space:nowrap;position:relative}
.more::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--grad);background-color:var(--green-d);transform:scaleX(0);transform-origin:right;transition:transform .3s var(--e-out)}
.more:hover::after{transform:scaleX(1);transform-origin:left}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);
  transition:transform var(--t) var(--e-out),box-shadow var(--t),border-color var(--t),background var(--t);
}
/* viền sáng trong giúp thẻ có khối trên nền trắng */
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:0 1px 0 rgba(255,255,255,.6) inset}

/* ---- thẻ dịch vụ ---- */
.svc{display:flex;flex-direction:column;gap:8px;overflow:hidden;background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.svc::after{content:"";position:absolute;inset:auto -40% -60% auto;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--green) 16%,transparent),transparent 65%);opacity:0;transition:opacity .4s;pointer-events:none}
.svc:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:color-mix(in srgb,var(--green) 32%,var(--line))}
.svc:hover::after{opacity:1}
.svc .ico{width:46px;height:46px;border-radius:14px;background:var(--green-l);color:var(--green-d);display:grid;place-items:center;font-weight:800;font-size:1.05rem;border:1px solid color-mix(in srgb,var(--green) 18%,transparent);transition:transform .4s var(--e-spring),background .3s,color .3s}
.svc:hover .ico{background:var(--grad);background-color:var(--green-d);color:var(--on-green);transform:rotate(-6deg) scale(1.06)}
.svc h3{margin:4px 0 2px;font-size:1.03rem}
.svc p{margin:0;font-size:.9rem;color:var(--ink-2)}

/* ---- thẻ sản phẩm ---- */
.pcard{display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden}
.pcard::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);background-color:var(--green-d);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--e-out)}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:color-mix(in srgb,var(--green) 30%,var(--line))}
.pcard:hover::before{transform:scaleX(1)}
.pcard .cat{font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;color:var(--green-d);font-weight:800}
.pcard h2{margin:0;font-size:1.1rem}
.pcard .tag-line{font-size:.9rem;color:var(--ink-2);margin:0}
.pcard .meta,.post-card .meta{display:flex;gap:12px;font-size:.82rem;color:var(--ink-2);flex-wrap:wrap}
.pcard .price{font-size:1.22rem;font-weight:800;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.pcard .price.free{color:var(--green-d)}
/* khi admin tắt công khai giá: thẻ không còn con số, chỉ còn dòng "báo giá theo phạm vi" */
.price.ask{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;font-size:.86rem;font-weight:700;
  letter-spacing:0;color:var(--green-d);border:1px dashed color-mix(in srgb,var(--green) 42%,var(--line));border-radius:9px;
  background:color-mix(in srgb,var(--green-l) 62%,transparent)}
.pcard .actions{display:flex;gap:8px;margin-top:auto;flex-wrap:wrap}
.badge{position:absolute;top:12px;right:12px;background:var(--grad);background-color:var(--green-d);color:var(--on-green);font-size:.7rem;font-weight:800;padding:5px 10px;border-radius:999px;letter-spacing:.03em;box-shadow:var(--glow);animation:pop .45s var(--e-spring) both}
.stars{color:var(--gold);letter-spacing:1.5px;font-size:.9rem;text-shadow:0 2px 10px rgba(138,97,0,.25)}

/* ---- nút ---- */
.btn{
  position:relative;overflow:hidden;border:1px solid var(--green-d);background:var(--green-d);color:var(--on-green);font-weight:700;
  padding:11px 18px;border-radius:12px;cursor:pointer;font-size:.95rem;font-family:inherit;letter-spacing:-.01em;
  box-shadow:0 1px 0 rgba(255,255,255,.22) inset,var(--glow);
  transition:transform var(--t) var(--e-spring),box-shadow var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn:active{transform:translateY(0) scale(.985)}
.btn.sm{padding:7px 12px;font-size:.85rem;border-radius:10px}
.btn.lg{padding:14px 24px;font-size:1rem;border-radius:14px}
.btn.primary{background:var(--grad);background-color:var(--green-d);border-color:var(--green-d)}
.btn.outline{background:transparent;color:var(--green-d);box-shadow:none}
.btn.outline:hover{background:var(--green-l)}
.btn.ghost{background:var(--bg);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn.ghost:hover{border-color:var(--green);color:var(--green-d);box-shadow:var(--shadow-2)}
.btn.link{background:none;border:none;color:var(--green-d);text-decoration:underline;padding:10px 4px;box-shadow:none}
.btn.link:hover{text-decoration-thickness:2px}
.btn.block{width:100%}
.btn.danger{background:transparent;color:var(--bad);border-color:color-mix(in srgb,var(--bad) 45%,var(--line));box-shadow:none}
.btn.danger:hover{background:color-mix(in srgb,var(--bad) 10%,transparent)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---- quy trình ---- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative}
.steps li{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:14px;position:relative;overflow:hidden;
  transition:transform var(--t) var(--e-out),box-shadow var(--t),border-color var(--t);
}
.steps li::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--grad);background-color:var(--green-d);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--e-out)}
.steps li:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:color-mix(in srgb,var(--green) 28%,var(--line))}
.steps li:hover::after{transform:scaleX(1)}
.steps li b{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:10px;background:var(--grad);background-color:var(--green-d);color:var(--on-green);font-size:.85rem;margin-bottom:8px;box-shadow:var(--glow)}
.steps li p{margin:0;font-size:.92rem;color:var(--ink-2)}
.steps li h3{margin:0 0 3px;font-size:.99rem}

/* ---- so sánh ---- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cmp{border-radius:var(--radius);padding:18px;border:1px solid var(--line);transition:transform var(--t) var(--e-out),box-shadow var(--t)}
.cmp:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.cmp.no{background:var(--bg-2);color:var(--ink-2)}
.cmp.yes{position:relative;background:linear-gradient(180deg,var(--green-l),var(--bg));border-color:color-mix(in srgb,var(--green) 36%,transparent);box-shadow:0 20px 46px -26px rgba(15,159,95,.6)}
.cmp ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.cmp li{transition:transform .3s var(--e-out)}
.cmp:hover li{transform:translateX(2px)}
.cmp.no li::before{content:"✕ ";color:var(--bad);font-weight:800}
.cmp.yes li::before{content:"✓ ";color:var(--green-d);font-weight:800}

/* ---- bảo mật ---- */
.sec-intro{margin:-4px 0 16px;color:var(--ink-2);max-width:70ch}
.sec-item{display:flex;flex-direction:column;gap:8px}
.sec-item .ico{align-self:flex-start;padding:6px 9px;border-radius:9px;background:var(--green-l);border:1px solid color-mix(in srgb,var(--green) 20%,transparent);color:var(--green-d);font-weight:800;letter-spacing:.04em;font-size:.74rem}
.sec-item h3{margin:2px 0 0;font-size:1rem}
.sec-item p{margin:0;font-size:.9rem;color:var(--ink-2);line-height:1.55}
.sec-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:color-mix(in srgb,var(--green) 32%,var(--line))}
.sec-out{margin:16px 0 0;padding:14px 16px;border-left:3px solid var(--green);border-radius:0 var(--r-sm) var(--r-sm) 0;background:var(--bg-2);font-size:.94rem;color:var(--ink-2)}
.sec-out b{color:var(--ink)}

/* ---- dải CTA ---- */
.band{
  position:relative;overflow:hidden;display:flex;justify-content:space-between;align-items:center;gap:24px;
  background:var(--grad);background-color:var(--green-d);color:var(--on-green);padding:24px 26px;border-radius:var(--r-lg);margin:clamp(30px,4.4vw,48px) 0;
  box-shadow:0 28px 60px -30px rgba(10,122,73,.85);
}
.band::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-70px;top:-140px;background:rgba(255,255,255,.10);filter:blur(2px);pointer-events:none}
.band h2{color:var(--on-green);margin-bottom:4px;position:relative}
.band p{margin:0;opacity:.94;max-width:60ch;position:relative}
.band .cta-row{position:relative}
.band .btn{border-color:rgba(255,255,255,.65);box-shadow:0 10px 26px -14px rgba(0,0,0,.6)}
.band .btn.primary{background:#fff;color:#0a5f38;border-color:#fff}
.band .btn.outline{background:transparent;color:var(--on-green);border-color:rgba(255,255,255,.8)}
.band .btn.outline:hover{background:rgba(255,255,255,.16)}

/* ---- hỏi đáp ---- */
.faq{display:grid;gap:10px}
details{border:1px solid var(--line);border-radius:14px;padding:14px 18px;background:linear-gradient(180deg,var(--bg),color-mix(in srgb,var(--bg-2) 60%,var(--bg)));transition:border-color var(--t),background var(--t),box-shadow var(--t)}
details:hover{border-color:color-mix(in srgb,var(--green) 35%,var(--line));box-shadow:var(--shadow)}
details[open]{border-color:color-mix(in srgb,var(--green) 45%,transparent);background:var(--bg-2);box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--green-d);font-size:1.25rem;line-height:1;width:24px;height:24px;display:grid;place-items:center;border-radius:8px;background:var(--green-l);transition:transform .3s var(--e-spring),background .3s}
details:hover summary::after{transform:rotate(90deg)}
details[open] summary::after{content:"–";transform:rotate(180deg)}
details p{margin:10px 0 2px;color:var(--ink-2);font-size:.95rem;animation:fadeUp .35s var(--e-out) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}}

/* ============================ trang con ============================ */
.view{padding-bottom:46px}
.view:not([hidden]){animation:viewIn .45s var(--e-out) both}
@keyframes viewIn{from{opacity:0;transform:translateY(10px)}}
.page-head{padding:clamp(22px,3.4vw,38px) 0 16px;max-width:72ch}
.page-head h1,.page-head .page-title{letter-spacing:-.035em;margin:0 0 .3em}
.page-head p{color:var(--ink-2);font-size:1.03rem}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:20px}
.toolbar input[type=search]{flex:1;min-width:220px}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip,select,input,textarea{font-family:inherit;font-size:.95rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:11px;padding:10px 13px;transition:border-color var(--t),box-shadow var(--t),background var(--t)}
.chip{cursor:pointer;padding:8px 13px;font-size:.88rem}
.chip:hover{border-color:var(--green);color:var(--green-d)}
.chip.on{background:var(--grad);background-color:var(--green-d);border-color:var(--green-d);color:var(--on-green);font-weight:700;box-shadow:var(--glow)}
textarea{resize:vertical;min-height:110px}
input::placeholder,textarea::placeholder{color:var(--ink-3)}
input:focus,textarea:focus,select:focus,details:focus-within{outline:none;border-color:var(--green);box-shadow:var(--ring)}
.empty{padding:34px;text-align:center;color:var(--ink-2);border:1px dashed var(--line-2);border-radius:var(--radius);background:color-mix(in srgb,var(--bg-2) 60%,transparent)}

/* ---- biểu mẫu ---- */
.form{display:grid;gap:14px}
.form.inline{grid-template-columns:1fr auto;align-items:end}
label{display:grid;gap:6px;font-size:.9rem;font-weight:650}
label span.h{font-weight:500;color:var(--ink-2);font-size:.85rem}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.checks label{display:flex;align-items:center;gap:9px;font-weight:550;padding:10px 13px;border:1px solid var(--line);border-radius:11px;cursor:pointer;background:var(--bg);transition:border-color var(--t),background var(--t),transform var(--t)}
.checks label:hover{border-color:color-mix(in srgb,var(--green) 40%,var(--line));transform:translateY(-1px)}
.checks label:has(input:checked){border-color:var(--green);background:var(--green-l);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--green) 30%,transparent)}
.checks input{width:17px;height:17px;accent-color:var(--green);padding:0}
.err{color:var(--bad);font-size:.88rem;font-weight:650;margin-top:-4px;animation:shake .3s var(--e-out)}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.hint-line{color:var(--ink-2);font-size:.9rem}
.chip-btn{border:1px dashed var(--green);background:var(--green-l);color:var(--green-d);border-radius:9px;padding:5px 10px;cursor:pointer;font-family:var(--mono);font-size:.85rem;transition:transform var(--t),box-shadow var(--t)}
.chip-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.form-help .card{font-size:.92rem}
.form-help h3,.form-help h2{margin-bottom:6px}
.form-help ul{margin:0;padding-left:18px;color:var(--ink-2)}

/* ---- tải về ---- */
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.dl{display:flex;gap:14px;align-items:flex-start}
.dl:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.dl .ft{flex:0 0 auto;width:48px;height:54px;border-radius:10px;background:var(--green-l);color:var(--green-d);display:grid;place-items:center;font-weight:800;font-size:.72rem;font-family:var(--mono);border:1px solid color-mix(in srgb,var(--green) 20%,transparent);transition:transform .4s var(--e-spring),background .3s,color .3s}
.dl:hover .ft{background:var(--grad);background-color:var(--green-d);color:var(--on-green);transform:rotate(-5deg) scale(1.05)}
.dl h2{margin:0 0 3px;font-size:1rem}
.dl p{margin:0 0 6px;font-size:.9rem;color:var(--ink-2)}
.dl .row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:.82rem;color:var(--ink-2)}
.note{margin-top:24px;padding:18px;border-left:4px solid var(--green);background:linear-gradient(90deg,var(--green-l),var(--bg-2));border-radius:0 14px 14px 0;font-size:.94rem}
.note code{background:var(--bg);padding:3px 7px;border-radius:7px;font-family:var(--mono);font-size:.86rem;border:1px solid var(--line)}

/* ---- kết quả báo giá ---- */
.quote-out{margin-top:22px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2);animation:fadeUp .4s var(--e-out) both}
.quote-out h2{margin:0;padding:15px 18px;background:var(--grad);background-color:var(--green-d);color:var(--on-green);letter-spacing:-.01em}
.qtable{width:100%;border-collapse:collapse;font-size:.94rem}
.qtable td{padding:11px 18px;border-top:1px solid var(--line)}
.qtable tr{transition:background .2s}
.qtable tbody tr:hover{background:var(--bg-2)}
.qtable tr:last-child td{font-weight:800;font-size:1.08rem;background:var(--bg-2);color:var(--green-d)}
.qtable td:last-child{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---- tra cứu đơn ---- */
.track-card{margin-top:22px;animation:fadeUp .4s var(--e-out) both}
.track-head{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:16px}
.progress{display:flex;gap:4px;margin:18px 0;flex-wrap:wrap}
.progress .pstep{flex:1;min-width:96px;text-align:center;font-size:.78rem;color:var(--ink-2);position:relative;padding-top:24px;transition:color .3s}
.progress .pstep::before{content:"";position:absolute;top:7px;left:0;right:0;height:4px;background:var(--line);border-radius:4px;transition:background .5s var(--e-out)}
.progress .pstep::after{content:"";position:absolute;top:1px;left:50%;transform:translateX(-50%);width:14px;height:14px;border-radius:50%;background:var(--line);border:2px solid var(--bg);transition:background .4s,box-shadow .4s}
.progress .pstep.on::before{background:var(--grad)}
.progress .pstep.on::after{background:var(--green)}
.progress .pstep.cur{color:var(--green-d);font-weight:800}
.progress .pstep.cur::after{background:var(--green);box-shadow:0 0 0 0 color-mix(in srgb,var(--green) 55%,transparent);animation:pulse 2.2s infinite}
.tl{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.tl li{border-left:2px solid color-mix(in srgb,var(--green) 55%,transparent);padding:2px 0 2px 15px;position:relative;animation:fadeUp .4s var(--e-out) both}
.tl li::before{content:"";position:absolute;left:-6px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px var(--bg)}
.tl time{font-family:var(--mono);font-size:.8rem;color:var(--ink-2)}

/* ---- về greencode ---- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;margin-bottom:22px}
.about-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.founder{display:flex;gap:16px;align-items:flex-start}
.avatar{flex:0 0 auto;width:66px;height:66px;border-radius:50%;background:var(--grad);background-color:var(--green-d);color:var(--on-green);display:grid;place-items:center;font-weight:800;font-size:1.35rem;box-shadow:var(--glow);transition:transform .5s var(--e-spring)}
.about-card:hover .avatar{transform:scale(1.06) rotate(-4deg)}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ticks li{transition:transform .3s var(--e-out)}
.ticks li:hover{transform:translateX(3px)}
.ticks li::before{content:"✓";color:var(--green-d);font-weight:800;margin-right:9px}
.person h3{margin:0}
.person .role{color:var(--green-d);font-weight:650;font-size:.9rem}
.person p{font-size:.92rem;color:var(--ink-2)}
.taglist{display:flex;gap:6px;flex-wrap:wrap}
.taglist span{font-size:.76rem;background:var(--green-l);color:var(--green-d);padding:4px 9px;border-radius:999px;font-weight:650;border:1px solid color-mix(in srgb,var(--green) 16%,transparent)}
.post-card{cursor:pointer}
.post-card:hover{border-color:var(--green);transform:translateY(-4px);box-shadow:var(--shadow-2)}
.post-card.on{border-color:var(--green);background:var(--green-l)}
.post-body{margin-top:22px;white-space:pre-wrap;font-size:1rem;line-height:1.78;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;animation:fadeUp .4s var(--e-out) both}
.kbd{display:inline-block;font-family:var(--mono);font-size:.85rem;background:var(--green-l);color:var(--green-d);padding:2px 8px;border-radius:7px;border:1px solid color-mix(in srgb,var(--green) 20%,transparent)}

/* ---- liên hệ ---- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
.info-card{display:grid;gap:12px;align-content:start}
.info-card .row{display:flex;gap:10px;align-items:flex-start;font-size:.94rem}
.info-card .k{min-width:96px;color:var(--ink-2);font-weight:650}
.map{height:150px;border-radius:14px;background:repeating-linear-gradient(45deg,var(--green-l),var(--green-l) 10px,var(--bg-2) 10px,var(--bg-2) 20px);display:grid;place-items:center;color:var(--green-d);font-weight:700;font-size:.9rem;border:1px solid var(--line)}

/* ---- giỏ hàng drawer ---- */
.drawer-bg{position:fixed;inset:0;background:rgba(6,20,12,.5);backdrop-filter:blur(3px);z-index:50;animation:fadeIn .25s var(--e-out) both}
@keyframes fadeIn{from{opacity:0}}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(420px,92vw);background:var(--bg);border-left:1px solid var(--line);z-index:51;
  display:flex;flex-direction:column;box-shadow:var(--shadow-3);animation:slideIn .34s var(--e-out) both;
}
@keyframes slideIn{from{transform:translateX(40px);opacity:.4}}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:17px 18px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.drawer-head button{border:1px solid var(--line);background:var(--bg);font-size:1rem;cursor:pointer;color:var(--ink);width:32px;height:32px;border-radius:10px;transition:border-color var(--t),transform var(--t)}
.drawer-head button:hover{border-color:var(--green);transform:rotate(90deg)}
.drawer-body{flex:1;overflow:auto;padding:14px 18px;display:grid;gap:12px;align-content:start}
.drawer-foot{border-top:1px solid var(--line);padding:15px 18px;display:grid;gap:10px;background:var(--bg-2)}
/* admin tắt công khai giá: giỏ không còn ô mã giảm giá vì không có con số để trừ */
.drawer-foot.no-price .coupon-row{display:none}
.coupon-row{display:flex;gap:8px}.coupon-row input{flex:1}
.total-row{display:flex;justify-content:space-between;font-weight:800;font-size:1.08rem;letter-spacing:-.02em}
.cart-item{display:grid;grid-template-columns:1fr auto;gap:6px;padding-bottom:10px;border-bottom:1px dashed var(--line);animation:fadeUp .3s var(--e-out) both}
.cart-item b{font-size:.95rem}
.cart-item .sub{font-size:.84rem;color:var(--ink-2)}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:26px;height:26px;border-radius:8px;border:1px solid var(--line);background:var(--bg);cursor:pointer;color:var(--ink);font-weight:700;transition:border-color var(--t),transform var(--t),background var(--t)}
.qty button:hover{border-color:var(--green);background:var(--green-l);transform:scale(1.08)}

/* ---- chat: khách yêu cầu giữ gọn thành một icon góc phải, không choáng màn hình ---- */
.chat-launch{position:fixed;right:20px;bottom:20px;z-index:60;width:54px;height:54px}
.cl-open{
  position:relative;width:54px;height:54px;border:none;border-radius:50%;background:var(--grad);background-color:var(--green-d);color:var(--on-green);
  display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-2),var(--glow);font-family:inherit;
  transition:transform .3s var(--e-spring),box-shadow .3s;
}
.cl-open svg{display:block}
.cl-open::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid color-mix(in srgb,var(--green) 55%,transparent);animation:ring 2.8s var(--e-out) infinite;pointer-events:none}
@keyframes ring{0%{transform:scale(1);opacity:.7}70%,100%{transform:scale(1.5);opacity:0}}
.cl-open:hover{transform:translateY(-3px) scale(1.06)}
.cl-open:active{transform:scale(.96)}
.cl-badge{position:absolute;top:-5px;right:-5px;min-width:22px;height:22px;padding:0 5px;border-radius:999px;background:#c81e1e;color:#fff;font-size:.75rem;font-weight:800;display:grid;place-items:center;box-shadow:0 2px 10px rgba(200,30,30,.55);animation:pop .35s var(--e-spring) both}
.cl-x{position:absolute;top:-7px;left:-7px;width:24px;height:24px;border:1px solid var(--line);border-radius:50%;background:var(--bg);color:var(--ink-2);font-size:.78rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:background .25s,color .25s,transform .25s}
.cl-x:hover{background:var(--ink);color:var(--bg);transform:scale(1.1)}
@keyframes pop{from{opacity:0;transform:scale(.6)}}
.contact-list li{color:var(--ink-2)}
.chat{
  position:fixed;right:22px;bottom:22px;z-index:61;width:min(410px,94vw);height:min(600px,80vh);
  background:var(--bg);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-3);display:flex;flex-direction:column;overflow:hidden;
  animation:chatIn .34s var(--e-spring) both;
}
@keyframes chatIn{from{opacity:0;transform:translateY(18px) scale(.96)}}
.chat-head{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;background:var(--grad);background-color:var(--green-d);color:var(--on-green);box-shadow:0 10px 30px -18px rgba(10,122,73,.9)}
.chat-head b{display:block;font-size:1.02rem;letter-spacing:-.01em}
.chat-head .online{font-size:.76rem;opacity:.92}
.chat-head button{background:rgba(255,255,255,.22);border:none;color:var(--on-green);width:28px;height:28px;border-radius:9px;cursor:pointer;margin-left:6px;transition:background .25s,transform .25s}
.chat-head button:hover{background:rgba(255,255,255,.34);transform:rotate(-12deg) scale(1.06)}
.chat-body{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--bg-2)}
.msg{max-width:84%;padding:10px 14px;border-radius:16px;font-size:.93rem;white-space:pre-wrap;line-height:1.5;animation:msgIn .3s var(--e-out) both;box-shadow:var(--shadow)}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}}
.msg.user{align-self:flex-end;background:var(--grad);background-color:var(--green-d);color:var(--on-green);border-bottom-right-radius:5px}
.msg.bot{align-self:flex-start;background:var(--bg);border:1px solid var(--line);border-bottom-left-radius:5px}
.msg.typing{display:flex;gap:4px;align-items:center}
.msg.typing i{width:6px;height:6px;border-radius:50%;background:var(--ink-2);display:inline-block;animation:blink 1.2s infinite}
.msg.typing i:nth-child(2){animation-delay:.2s}.msg.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}
.mcard{align-self:flex-start;width:84%;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:11px 13px;font-size:.88rem;cursor:pointer;animation:msgIn .35s var(--e-out) both;transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.mcard:hover{border-color:var(--green);transform:translateX(3px);box-shadow:var(--shadow-2)}
.mcard b{display:block;font-size:.93rem}
.mcard .p{color:var(--green-d);font-weight:800;font-variant-numeric:tabular-nums}
.chat-quick{display:flex;gap:6px;padding:9px 12px;flex-wrap:wrap;border-top:1px solid var(--line);background:var(--bg)}
.chat-quick button{border:1px solid var(--line);background:var(--bg);color:var(--green-d);border-radius:999px;padding:6px 12px;font-size:.82rem;cursor:pointer;font-weight:650;transition:border-color var(--t),background var(--t),transform var(--t)}
.chat-quick button:hover{border-color:var(--green);background:var(--green-l);transform:translateY(-1px)}
/* dải tuỳ chọn đặt hàng: chỉ danh sách gói mới cuộn, nút "Đặt hàng" luôn nhìn thấy không phải kéo */
.chat-side{
  flex:none;display:flex;flex-direction:column;gap:8px;padding:10px 12px;max-height:min(52%,360px);border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg),var(--bg-2));box-shadow:0 -10px 22px -20px rgba(11,23,18,.9);
}
.side-packs{display:grid;gap:8px;overflow:auto;min-height:0}
.chat-side .side-h{font-size:.74rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.pk{display:flex;align-items:center;gap:10px;width:100%;text-align:left;font-family:inherit;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:8px 11px;cursor:pointer;transition:border-color var(--t),background var(--t),transform var(--t),box-shadow var(--t)}
.pk:hover{border-color:var(--green);background:var(--green-l);transform:translateY(-1px);box-shadow:var(--shadow)}
.pk b{display:block;font-size:.9rem}
.pk .pk-sub{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.77rem;font-weight:500;color:var(--ink-2);line-height:1.4}
.pk .pk-p{margin-left:auto;text-align:right;font-weight:800;color:var(--green-d);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:.92rem}
.pk .pk-w{display:block;font-weight:600;font-size:.71rem;color:var(--ink-3)}
.chat-foot{display:flex;gap:8px;padding:11px 12px;border-top:1px solid var(--line);background:var(--bg)}
.chat-foot input{flex:1;min-width:0}
.chat-go{width:100%;flex:none;justify-content:center}

/* ---- micro nói yêu cầu ---- */
.mic-row{display:flex;align-items:center;gap:12px;margin:0 0 14px}
.mic{
  flex:none;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  border:1px solid color-mix(in srgb,var(--green) 32%,var(--line));background:var(--bg);color:var(--green-d);
  box-shadow:var(--shadow-2);font-family:inherit;
  transition:transform var(--t) var(--e-spring),background var(--t),color var(--t),border-color var(--t);
}
.mic .b-ico{width:21px;height:21px;color:inherit}
.mic:hover{transform:translateY(-2px) scale(1.05);border-color:var(--green);background:var(--green-l)}
.mic.on{background:var(--grad);background-color:var(--green-d);color:var(--on-green);border-color:var(--green-d);animation:micPulse 1.6s var(--e-out) infinite}
@keyframes micPulse{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--green) 42%,transparent)}60%{box-shadow:0 0 0 14px transparent}}
.mic-sm{width:42px;height:42px;box-shadow:none;border-radius:11px}
.mic-note{margin:0;font-size:.9rem;font-weight:650;color:var(--green-d);max-width:46ch;line-height:1.45}

/* ---- thông báo ---- */
.toasts{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:80;display:grid;gap:8px;justify-items:center}
.toast{
  background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:999px;font-size:.92rem;font-weight:650;
  box-shadow:var(--shadow-3);animation:rise .42s var(--e-spring) both;border:1px solid color-mix(in srgb,var(--ink) 80%,transparent);
}
.toast.ok{background:var(--grad);background-color:var(--green-d);color:var(--on-green);border-color:var(--green-d);box-shadow:var(--shadow-2),var(--glow)}
.toast.bad{background:var(--bad) linear-gradient(120deg,#a52f23,var(--bad));color:#fff;border-color:#a52f23}
@keyframes rise{from{opacity:0;transform:translateY(16px) scale(.94)}}

/* ---- chân trang ---- */
.site-foot{position:relative;border-top:1px solid var(--line);background:linear-gradient(180deg,var(--bg-2),var(--bg-3));padding:34px 0 20px;margin-top:32px}
.site-foot::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--green),var(--green-x),transparent);opacity:.55}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.3fr;gap:22px}
.foot-grid h3{margin-bottom:10px;font-size:.95rem;letter-spacing:-.01em}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:.9rem}
.foot-grid ul a{display:inline-block;transition:transform .25s var(--e-out),color .25s}
.foot-grid ul a:hover{transform:translateX(3px);text-decoration:none}
.foot-slogan{font-weight:800;color:var(--green-d);margin:12px 0 6px;letter-spacing:-.01em}
.news{display:flex;gap:6px;margin-top:12px}.news input{flex:1;padding:9px 11px;font-size:.88rem}
.copy{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-size:.85rem;color:var(--ink-2)}
.review{font-size:.93rem;padding-top:28px}
.review::before{content:"“";position:absolute;left:14px;top:0;font-family:Georgia,"Times New Roman",serif;font-size:3.4rem;line-height:1;color:color-mix(in srgb,var(--green) 30%,transparent);pointer-events:none}
.review:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.review .who{color:var(--ink-2);font-size:.85rem;margin-top:6px}

/* ============================ responsive ============================ */
@media(max-width:1000px){
  .hero-in{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .about-grid,.contact-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .burger{display:grid;place-items:center;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:40px;height:40px;border-radius:12px;cursor:pointer}
  .nav{position:absolute;top:64px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;padding:10px;display:none;box-shadow:var(--shadow-2)}
  .brand{font-size:1rem}
  .nav.open{display:flex;animation:fadeUp .26s var(--e-out) both}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:24px}
  .g3,.g2,.dl-grid,.checks,.field-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .band{flex-direction:column;align-items:flex-start}
  .chat,.chat-launch{right:12px;bottom:12px}
  .chat{height:74vh}
  .toolbar select{width:100%}
  .hero h1,.hero .hero-h{font-size:clamp(2.1rem,9vw,2.9rem)}
  .hero-h{gap:8px 10px}
  .hs{font-size:clamp(1.62rem,8.4vw,2.3rem)}
  .hb{font-size:.9rem;padding:6px 11px}
  .mic-row{gap:10px}
  .intake textarea{min-height:96px}
  /* nút chính chiếm hết bề ngang: dễ bấm bằng một ngón tay */
  .cta-row .btn{flex:1 1 100%;text-align:center}
}

@media print{.site-head,.site-foot,.chat,.chat-launch,.drawer,.drawer-bg,.toasts{display:none!important}.rv{opacity:1!important;transform:none!important}}
/* người dùng tắt chuyển động thì giữ nguyên bố cục, chỉ bỏ hiệu ứng */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}