/* VCC 791 - trang mời phân phối */

:root{
  --green:#2f8f63;
  --green-deep:#16543c;
  --pine:#0e1f18;
  --pine-2:#12291f;
  --mint:#e7f1eb;
  --mint-2:#d5e7dc;
  --teal:#2d8282;
  --blue:#2b5f9e;
  --plum:#4d4963;
  --clay:#c9631f;
  --clay-soft:#fbeee3;
  --ink:#14201b;
  --ink-2:#46534c;
  --alu:#f3f6f4;
  --line:#d3ddd7;
  --line-2:#c2cfc7;
  --white:#fff;
  --r:14px;
  --r-lg:20px;
  --shadow:0 18px 40px -28px rgba(14,31,24,.45);
  --wrap:1160px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.62;
  color:var(--ink);
  background:var(--white);
  overflow-x:hidden;
  padding-bottom:56px;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{margin:0 0 .5em;line-height:1.15;letter-spacing:-.015em;font-weight:700}
p{margin:0 0 1em}
a{color:inherit}
ul{margin:0;padding:0;list-style:none}
strong{font-weight:700}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--pine);color:#fff;padding:10px 16px;border-radius:8px}
.skip:focus{top:12px}

.btn{
  display:inline-block;
  background:var(--green-deep);
  color:#fff;
  text-decoration:none;
  font-weight:600;
  font-size:1rem;
  padding:14px 22px;
  border-radius:999px;
  border:1px solid transparent;
  transition:transform .15s ease,background .2s ease;
}
.btn:hover{background:#0f3d2b}
.btn:active{transform:translateY(1px)}
.btn-lg{font-size:1.06rem;padding:16px 28px}
.btn-sm{font-size:.94rem;padding:11px 18px}
.hero .btn{background:#fff;color:var(--pine);border-color:#fff}
.hero .btn:hover{background:var(--mint-2)}
.link-arrow{
  font-weight:600;
  text-decoration:none;
  border-bottom:2px solid var(--clay);
  padding-bottom:2px;
}
.link-arrow span{display:inline-block;transform:translateY(-1px);color:var(--clay)}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}

.site-head{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.head-in{display:flex;align-items:center;gap:16px;min-height:70px;padding-top:8px;padding-bottom:8px}
.brand{flex:0 0 auto;display:block;line-height:0}
.brand img{width:112px;height:auto}
.head-nav{display:none}
.head-nav a{
  text-decoration:none;font-size:.95rem;font-weight:600;color:var(--ink-2);
  padding:8px 2px;border-bottom:2px solid transparent;
}
.head-nav a:hover{color:var(--green-deep);border-bottom-color:var(--green)}
.head-act{margin-left:auto;display:flex;align-items:center;gap:12px}
.head-tel{
  text-decoration:none;font-weight:600;font-size:.95rem;color:var(--ink);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.head-tel:hover{color:var(--green-deep)}
@media (max-width:519px){.head-tel{display:none}}

.hero{
  position:relative;
  background:var(--pine);
  color:#eef4f0;
  padding:34px 0 44px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg,rgba(255,255,255,.055) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.055) 0 1px,transparent 1px 72px);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,143,99,.42),transparent 68%);
  pointer-events:none;
}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1fr;row-gap:0}
.hero-in > *{grid-column:1}
.hero .eyebrow{order:1}
.hero h1{order:2}
.hero .lead{order:3}
.hero-fig{order:4;margin:14px 0 6px}
.hero-btns{order:5}
.hero-proof{order:6}
.zone{order:7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green);margin:0 0 12px;font-weight:600;
}
.eyebrow::before{content:"";width:9px;height:9px;background:var(--clay);display:block}
.hero .eyebrow{color:#7fd6a8}
.hero h1{font-size:clamp(1.95rem,6.2vw,3.15rem);margin-bottom:.42em;color:#fff;letter-spacing:-.02em}
.lead{font-size:1.06rem;color:#cfded6;max-width:34em}
.hero-btns{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:22px 0 14px}
.hero-btns .link-arrow{color:#e9f3ee}
.hero-proof{font-size:.95rem;color:#a9c2b6;margin-bottom:20px}
.hero-proof strong{color:#fff}
.zone{
  border-left:3px solid var(--clay);
  background:rgba(255,255,255,.055);
  padding:14px 16px;border-radius:0 var(--r) var(--r) 0;
  max-width:33em;
}
.zone-k{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#f0b48c;margin:0 0 6px;
}
.zone-t{font-size:.98rem;margin:0 0 8px;color:#dbe8e1}
.zone-a{font-weight:600;font-size:.95rem;color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.5)}
.hero-fig{margin:0}
.hero-fig img{
  width:100%;border-radius:var(--r-lg);
  box-shadow:0 30px 60px -32px rgba(0,0,0,.7);
}
.hero-fig figcaption{font-size:.82rem;color:#9db4a9;margin-top:10px}

.facts{background:var(--white);border-bottom:1px solid var(--line);padding:26px 0 6px}
.facts-in{display:grid;grid-template-columns:1fr 1fr;gap:0}
.fact{padding:14px 4px 18px;border-top:1px solid var(--line)}
.fact:nth-child(-n+2){border-top:0}
.fact .num{
  display:block;
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-weight:600;font-size:clamp(1.4rem,4.6vw,1.9rem);
  color:var(--green-deep);line-height:1.1;margin-bottom:6px;
}
.fact-t{display:block;font-size:.88rem;line-height:1.4;color:var(--ink-2);padding-right:8px}
.src{font-size:.78rem;color:#6b7873;margin:0;padding-bottom:18px}

section{padding:44px 0}
h2{font-size:clamp(1.45rem,4.2vw,2.15rem)}
.sub{color:var(--ink-2);max-width:44em;margin-bottom:26px}

.offer{background:var(--alu)}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:16px 16px 6px;
}
.card h3{font-size:1rem;margin-bottom:.35em;line-height:1.3}
.card p{font-size:.9rem;color:var(--ink-2);margin-bottom:.9em}

.why{background:var(--white)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.why-i{
  background:var(--alu);
  border-radius:var(--r);
  padding:16px 16px 8px;
  border:1px solid var(--line);
}
.why-n{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.78rem;font-weight:600;color:var(--clay);
  display:block;margin-bottom:10px;
}
.why-i h3{font-size:1rem;margin-bottom:.35em;line-height:1.3}
.why-i p{font-size:.9rem;color:var(--ink-2);margin-bottom:.9em}

.policy{background:var(--mint)}
.policy-head .sub{margin-bottom:20px}
.pol-list{display:grid;gap:12px}
.pol-list li{
  background:#fff;
  border-left:3px solid var(--green);
  border-radius:0 var(--r) var(--r) 0;
  padding:14px 16px 4px;
}
.pol-list h3{font-size:1rem;margin-bottom:.3em}
.pol-list p{font-size:.92rem;color:var(--ink-2);margin-bottom:.8em}
.gap-note{
  margin-top:18px;
  background:var(--pine);
  color:#e7f1eb;
  border-radius:var(--r);
  padding:18px;
}
.gap-note p{font-size:.94rem;margin-bottom:14px;color:#d3e2da}
.gap-note strong{color:#fff}
.gap-note .btn{background:#fff;color:var(--pine)}
.gap-note .btn:hover{background:var(--mint-2)}

.kho{background:var(--white)}
.kho-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.kho-grid li{border-top:2px solid var(--pine);padding-top:12px}
.kho-r{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--teal);display:block;margin-bottom:6px;
}
.kho-grid h3{font-size:.98rem;margin-bottom:.3em;line-height:1.3}
.kho-grid p{font-size:.87rem;color:var(--ink-2);margin:0;line-height:1.45}

.detail{background:var(--alu)}
.detail-in{display:grid;gap:26px}
.spec{
  width:100%;border-collapse:collapse;background:#fff;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  font-size:.9rem;margin-bottom:16px;
}
.spec th,.spec td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.spec th{font-weight:600;color:var(--ink-2);width:43%;background:#fafcfb}
.spec td{font-variant-numeric:tabular-nums}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec-note{
  font-size:.9rem;background:var(--clay-soft);
  border-left:3px solid var(--clay);border-radius:0 10px 10px 0;
  padding:12px 14px;color:#5b3216;
}
.detail-fig{margin:0}
.detail-fig img{width:100%;border-radius:var(--r);box-shadow:var(--shadow)}
.detail-fig figcaption{font-size:.82rem;color:#6b7873;margin-top:8px}

.faq{background:var(--white)}
.acc{display:grid;gap:10px;max-width:52em}
.acc details{
  border:1px solid var(--line);border-radius:var(--r);background:#fff;
  padding:0 16px;
}
.acc details[open]{border-color:var(--line-2);box-shadow:var(--shadow)}
.acc summary{
  cursor:pointer;font-weight:600;font-size:1rem;padding:15px 30px 15px 0;
  position:relative;list-style:none;line-height:1.35;
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{
  content:"+";position:absolute;right:0;top:12px;font-size:1.4rem;
  color:var(--green);font-weight:400;
}
.acc details[open] summary::after{content:"\2212";color:var(--clay)}
.acc details p{font-size:.94rem;color:var(--ink-2);margin:0 0 16px}

.dangky{background:var(--pine);color:#eaf2ed;padding-bottom:56px}
.dangky-in{display:grid;gap:26px}
.dangky .eyebrow{color:#7fd6a8}
.dangky h2{color:#fff}
.dangky .sub{color:#bccfc4}
.dangky-form [data-vcc-form]{margin-top:8px}
.lienhe{background:rgba(255,255,255,.06);border-radius:var(--r-lg);padding:20px;border:1px solid rgba(255,255,255,.12)}
.lienhe h3{font-size:1.05rem;color:#fff;margin-bottom:.6em}
.addr{font-size:.94rem;color:#cfded6;margin-bottom:12px}
.tel-big{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:1.5rem;font-weight:600;color:#fff;text-decoration:none;letter-spacing:.01em;
}
.tel-big:hover{color:#a8e6c4}
.hours{font-size:.9rem;color:#bccfc4;margin:10px 0}
.mail{font-size:.94rem;margin-bottom:16px}
.mail a{color:#a8e6c4}
.map{border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.16)}
.map iframe{display:block;width:100%;height:250px;border:0;filter:saturate(.9)}

.site-foot{background:var(--pine-2);color:#a9c2b6;padding:32px 0 90px;font-size:.86rem}
.foot-in{display:grid;gap:18px}
.foot-name{color:#dcece4;font-weight:600;margin:10px 0 0;font-size:.9rem}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.foot-links a{text-decoration:none;color:#c4d8cd}
.foot-links a:hover{color:#fff}
.foot-src{margin:0;color:#89a89a;line-height:1.5}

.mbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:1.5fr 1fr 1fr;
  gap:1px;background:var(--line-2);
  box-shadow:0 -6px 20px -12px rgba(0,0,0,.5);
}
.mbar a{
  display:flex;align-items:center;justify-content:center;
  min-height:56px;text-decoration:none;font-weight:600;font-size:.95rem;
  background:#fff;color:var(--ink);
}
.mbar .mbar-main{background:var(--green-deep);color:#fff;font-size:1rem}

.rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
}

@media (min-width:640px){
  body{font-size:17.5px}
  .hero{padding:44px 0 54px}
  .facts-in{grid-template-columns:repeat(4,1fr);gap:0 20px}
  .fact{border-top:0;border-left:1px solid var(--line);padding:6px 0 20px 20px}
  .fact:first-child{border-left:0;padding-left:0}
  .cards,.why-grid,.kho-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .pol-list{grid-template-columns:1fr 1fr;gap:14px}
  .gap-note{display:flex;align-items:center;gap:20px}
  .gap-note p{margin:0;flex:1}
  .dangky-in{grid-template-columns:1fr 1fr;gap:32px;align-items:start}
  .foot-in{grid-template-columns:1fr 1fr;align-items:start}
  .foot-src{grid-column:1/-1}
  section{padding:56px 0}
}

@media (min-width:900px){
  .head-nav{display:flex;gap:26px;margin-left:18px}
  .brand img{width:132px}
  .hero{padding:56px 0 64px}
  .hero-in{grid-template-columns:1.02fr .98fr;column-gap:44px;row-gap:0;align-items:start}
  .hero-fig{grid-column:2;grid-row:1 / span 7;align-self:center;margin:0}
  .hero-in > *:not(.hero-fig){grid-column:1}
  .mbar{display:none}
  body{padding-bottom:0}
  .site-foot{padding-bottom:32px}
  .cards{gap:16px}
  .card{padding:20px 20px 6px}
  .why-i{padding:20px 20px 6px}
  .detail-in{grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
  .detail-fig{position:sticky;top:92px}
  .spec th{width:38%}
  .lienhe{padding:26px}
  .map iframe{height:300px}
}

@media (min-width:1080px){
  .hero h1{font-size:3.35rem}
  .cards,.why-grid{grid-template-columns:repeat(3,1fr)}
}