/* MyVita Reduco — reduco.myvita.vn
   Theo Brand Visual Communication Playbook v1.0 (07/2026) */
:root{
  --forest:#0F6B3D;
  --forest-deep:#0A4E2C;
  --forest-tint:#EAF3EC;
  --orange:#EA6A1E;
  --orange-deep:#C2540F;
  --orange-tint:#FDF1E7;
  --leaf:#74C365;
  --cream:#FFF7EF;
  --ink:#222222;
  --ink-soft:#555C5A;
  --line:#E7DDD1;
  --white:#FFFFFF;
  --purple:#3B2A6B;
  --radius:16px;
  --shadow:0 10px 30px rgba(15,107,61,.10);
  --wrap:1160px;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:var(--cream)}
img{max-width:100%;height:auto;display:block}
a{color:var(--forest)}
button,input,select{font:inherit}
h1,h2,h3{margin:0;line-height:1.1}
p{margin:0 0 .8em}
ul{margin:0;padding:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
@media(min-width:768px){.wrap{padding:0 28px}}
.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(--forest);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* ===== Typography helpers ===== */
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--orange-deep);margin-bottom:10px}
.h-punch{font-weight:900;text-transform:uppercase;letter-spacing:-.02em;line-height:.98;color:var(--forest)}
.h-section{font-weight:900;text-transform:uppercase;letter-spacing:-.015em;font-size:clamp(26px,4.2vw,40px);line-height:1.08;color:var(--forest);margin-bottom:12px;text-wrap:balance}
.lead{font-size:17px;color:var(--ink-soft);max-width:720px}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
.small{font-size:13.5px;color:var(--ink-soft)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:14px 26px;border:0;border-radius:18px;background:var(--orange);color:#fff;font-weight:800;font-size:15.5px;letter-spacing:.02em;text-transform:uppercase;text-decoration:none;cursor:pointer;box-shadow:0 8px 20px rgba(234,106,30,.28);transition:transform .15s,background .15s}
.btn:hover{background:var(--orange-deep);transform:translateY(-1px)}
.btn:disabled{opacity:.6;cursor:wait;transform:none}
.btn-block{width:100%}
.btn-ghost{background:transparent;color:var(--forest);box-shadow:none;border:2px solid var(--forest)}
.btn-ghost:hover{background:var(--forest);color:#fff}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 4px 18px rgba(0,0,0,.05)}
.header-in{display:flex;align-items:center;gap:18px;height:var(--header-h)}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.05;margin-right:auto}
.brand b{font-weight:900;font-size:19px;color:var(--forest);letter-spacing:-.01em}
.brand small{font-size:10.5px;font-weight:600;color:var(--ink-soft);letter-spacing:.04em}
.nav{display:none}
.nav a{font-size:13.5px;font-weight:700;color:var(--ink);text-decoration:none;padding:8px 9px;border-radius:8px}
.nav a:hover{color:var(--forest);background:var(--forest-tint)}
.header-cta{display:none;min-height:44px;padding:10px 18px;font-size:13.5px}
.menu-toggle{width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{display:block;width:20px;height:2px;background:var(--forest);position:relative;transition:.2s}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0}
.menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
.menu-open .menu-toggle span{background:transparent}
.menu-open .menu-toggle span::before{top:0;transform:rotate(45deg)}
.menu-open .menu-toggle span::after{top:0;transform:rotate(-45deg)}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:8px 16px 16px}
.menu-open .mobile-nav{display:block}
.mobile-nav a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);font-weight:700;color:var(--ink);text-decoration:none}
.mobile-nav .btn{margin-top:14px;width:100%}
@media(min-width:1080px){
  .nav{display:flex;gap:2px}
  .header-cta{display:inline-flex}
  .menu-toggle,.mobile-nav,.menu-open .mobile-nav{display:none}
}

/* ===== Sections ===== */
.section{padding:40px 0}
@media(min-width:768px){.section{padding:56px 0}}
.bg-white{background:var(--white)}
.bg-cream{background:var(--cream)}
.bg-forest{background:var(--forest);color:#fff}
.bg-forest .h-section,.bg-forest .eyebrow{color:#fff}
.bg-forest .eyebrow{color:#FFC79E}
.bg-forest .lead{color:#D8EADF}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(170deg,#fff 0%,var(--cream) 55%,#F7EAD9 100%);padding:28px 0 52px}
@media(min-width:900px){.hero{padding:64px 0 84px}}
.hero-grid{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.05fr 1fr;gap:40px}}
.hero h1{font-size:clamp(46px,9vw,88px);margin:4px 0 18px}
.hero .lead{font-size:18px;color:var(--ink)}
.claim{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:4px solid var(--forest);border-radius:12px;padding:12px 14px;margin:16px 0;font-weight:600}
.claim-label{flex:none;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#fff;background:var(--forest);border-radius:6px;padding:3px 7px;margin-top:2px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px;padding:0;list-style:none}
.chips li{display:flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;color:var(--forest);background:var(--forest-tint);border:1px solid #CFE5D6;border-radius:99px;padding:6px 12px}
.chips svg{width:16px;height:16px;flex:none}
.hero-cta-note{margin-top:10px;font-size:13.5px;color:var(--ink-soft)}
.disclaimer-inline{margin-top:18px;font-size:13px;font-weight:600;color:var(--ink-soft)}

/* ===== Moments ===== */
.moments{display:grid;gap:16px;margin-top:22px}
@media(min-width:768px){.moments{grid-template-columns:repeat(3,1fr);gap:22px}}
.moment h3{font-size:19px;font-weight:800;color:var(--forest);margin-bottom:8px;line-height:1.25}
.moment p{margin:0;color:var(--ink-soft)}
.moments-foot{margin:18px 0 0;font-weight:600;text-align:center}

/* ===== Product info ===== */
.product-grid{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.product-grid{grid-template-columns:.9fr 1.1fr;gap:56px}}
.info-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.info-table th,.info-table td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:0}
.info-table th{width:36%;font-size:14px;font-weight:700;color:var(--ink-soft);background:#FCF9F5}
.info-table .hl td{font-weight:800;color:var(--forest)}
@media(max-width:520px){
  .info-table th,.info-table td{display:block;width:100%}
  .info-table th{border-bottom:0;padding-bottom:2px;background:transparent}
  .info-table td{padding-top:0}
}

/* ===== Ingredients ===== */
.herbs{display:grid;gap:14px;grid-template-columns:1fr 1fr;margin-top:22px}
@media(min-width:900px){.herbs{grid-template-columns:repeat(4,1fr);gap:20px}}
.herb{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.herb-img{aspect-ratio:4/3;background:var(--forest-tint);color:var(--forest);display:flex;align-items:center;justify-content:center;overflow:hidden}
.herb-img img{width:100%;height:100%;object-fit:cover}
.herb-img svg{width:52%;height:auto;opacity:.85}
.herb-body{padding:14px 14px 16px}
@media(min-width:600px){.herb-body{padding:18px}}
.herb h3{font-size:15.5px;font-weight:800;line-height:1.3;color:var(--ink);min-height:2.6em;display:flex;align-items:flex-end;text-wrap:balance}
.herb .en{font-size:12px;color:var(--ink-soft);font-style:italic;margin:2px 0 10px}
.herb .dose{font-size:28px;font-weight:900;color:var(--forest);line-height:1}
.herb .marker{margin:10px 0 0;font-size:13px;font-weight:600;color:var(--ink-soft);border-top:1px dashed var(--line);padding-top:8px;display:flex;flex-direction:column;gap:2px}
.herb .marker span{overflow-wrap:anywhere}
.herb .marker b{font-size:15px}
.herb .marker b{color:var(--orange-deep)}
.herbs-note{display:flex;gap:12px;align-items:flex-start;margin-top:22px;background:var(--forest-tint);border-radius:14px;padding:16px 18px;font-weight:600}
.herbs-note svg{flex:none;width:26px;height:26px;color:var(--forest)}
details.more{margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:12px}
details.more summary{cursor:pointer;padding:14px 18px;font-weight:700;color:var(--forest);list-style:none}
details.more summary::-webkit-details-marker{display:none}
details.more summary::after{content:"+";float:right;font-weight:900}
details.more[open] summary::after{content:"−"}
details.more .more-body{padding:0 18px 16px;font-size:14.5px;color:var(--ink-soft)}

/* ===== Why 4 herbs ===== */
.steps{list-style:none;padding:0;display:grid;gap:14px;margin-top:26px;counter-reset:step;position:relative}
@media(min-width:900px){
  .steps{grid-template-columns:repeat(4,1fr);gap:18px}
  .steps::before{content:"";position:absolute;top:38px;left:12%;right:12%;height:3px;background:linear-gradient(90deg,var(--orange),#F2A25C,var(--leaf),var(--forest));border-radius:3px;z-index:0}
}
.step{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start}

.step .dot{width:56px;height:56px;border-radius:50%;background:var(--forest);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 6px var(--cream)}
@media(min-width:900px){.step .dot{width:78px;height:78px;margin:0 auto 14px}}
.step .dot svg{width:28px;height:28px}
@media(min-width:900px){.step .dot svg{width:36px;height:36px}}
.step .stage-label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--orange-deep)}
.step h3{font-size:17px;font-weight:800;color:var(--forest);margin:4px 0 6px}
.step p{margin:0;font-size:14.5px;color:var(--ink-soft)}

.transparency{margin-top:30px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--purple);border-radius:14px;padding:18px 20px}
.transparency b{color:var(--purple)}
.transparency p:last-child{margin:0}

/* ===== Research ===== */
.tabs{display:none}
@media(min-width:900px){
  .tabs{display:flex;gap:8px;margin:22px 0 0;border-bottom:2px solid var(--line)}
  .tab{appearance:none;border:0;background:transparent;padding:14px 20px;font-weight:800;font-size:15px;color:var(--ink-soft);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;border-radius:10px 10px 0 0}
  .tab[aria-selected="true"]{color:var(--forest);border-bottom-color:var(--orange);background:#fff}
}
.panel{margin-top:14px}
@media(min-width:900px){
  .panel{display:none;margin-top:0;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--radius) var(--radius);padding:30px}
  .panel.active{display:grid;grid-template-columns:280px 1fr;gap:30px}
}
.panel-head{display:flex;gap:14px;align-items:center;width:100%;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;cursor:pointer;text-align:left;font:inherit}
.panel-head .thumb{width:62px;height:62px;border-radius:10px;overflow:hidden;flex:none;background:var(--forest-tint)}
.panel-head .thumb img{width:100%;height:100%;object-fit:cover}
.panel-head .t{flex:1}
.panel-head .t b{display:block;font-size:16.5px;color:var(--forest)}
.panel-head .chev{font-size:22px;font-weight:900;color:var(--forest);transition:transform .2s}
.panel.open .panel-head .chev{transform:rotate(180deg)}
.panel-body{display:none;padding:14px 2px 6px}
.panel.open .panel-body{display:block}
@media(min-width:900px){
  .panel-head{display:none}
  .panel .panel-body,.panel.open .panel-body{display:contents}
}
.panel-aside .aside-img{border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--forest-tint);display:none}
@media(min-width:900px){.panel-aside .aside-img{display:block}}
.panel-aside .aside-img img{width:100%;height:100%;object-fit:cover}
.panel-aside h3{font-size:22px;font-weight:900;color:var(--forest);margin:14px 0 4px;display:none}
@media(min-width:900px){.panel-aside h3{display:block}}
.panel-aside .sci{font-size:13px;font-style:italic;color:var(--ink-soft);display:none}
.panel-aside .evidence{display:none}
@media(min-width:900px){.panel-aside .evidence{display:flex}}
@media(min-width:900px){.panel-aside .sci{display:block}}
.evidence{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.ev{white-space:nowrap;display:inline-block;font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;padding:4px 10px;border-radius:99px}
.ev-human{background:#E3F1E8;color:var(--forest);border:1px solid #BFDCC9}
.ev-animal{background:var(--orange-tint);color:#A2460F;border:1px solid #F3C9AA}
.ev-lab{background:#F1EFEA;color:#555;border:1px solid #DDD6CA}
.ev-trad{background:#EFEAF7;color:var(--purple);border:1px solid #D6CCEA}
.studies{display:grid;gap:12px}
.study{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff}
.study h4{margin:0 0 6px;font-size:15.5px;font-weight:800;line-height:1.35}
.study p{margin:0 0 8px;font-size:14.5px;color:var(--ink-soft)}
.study cite{display:block;font-style:normal;font-size:12.5px;color:var(--ink-soft)}
.study cite a{font-weight:700}
.study-note{font-size:13.5px;color:var(--ink-soft);font-style:italic;margin:4px 0 0}
.research-foot{margin-top:24px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--orange);border-radius:14px;padding:16px 20px;font-size:14.5px}
.research-foot p:last-child{margin:0}
.credits{font-size:11.5px;color:var(--ink-soft);margin-top:12px}
.credits a{color:inherit}

/* ===== Usage ===== */
.usage{display:grid;gap:14px;margin-top:30px}
@media(min-width:768px){.usage{grid-template-columns:repeat(3,1fr);gap:20px}}
.use{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;display:flex;gap:16px;align-items:center}
@media(min-width:768px){.use{flex-direction:column;text-align:center;padding:30px 20px}}
.use .n{flex:none;width:52px;height:52px;border-radius:50%;background:var(--orange);color:#fff;font-weight:900;font-size:22px;display:flex;align-items:center;justify-content:center}
.use b{display:block;font-size:22px;font-weight:900;color:var(--forest);line-height:1.15}
.use span{color:var(--ink-soft);font-weight:600}
.usage-meta{margin-top:22px}
.usage-help{margin-top:18px;font-weight:600}

/* ===== Factory ===== */
.factory-grid{display:grid;gap:26px;align-items:start;margin-top:10px}
@media(min-width:900px){.factory-grid{grid-template-columns:1.1fr .9fr;gap:44px}}
.cert{display:flex;gap:16px;align-items:center;background:#fff;color:var(--ink);border-radius:var(--radius);padding:14px;text-decoration:none;cursor:zoom-in;border:0;width:100%;text-align:left;font:inherit}
.cert picture{flex:none;width:120px}
.cert img{width:100%;border-radius:8px;border:1px solid var(--line)}
@media(min-width:600px){.cert picture{width:180px}}
@media(min-width:900px){.cert{flex-direction:column;align-items:stretch;padding:18px}.cert picture{width:100%}}
.cert b{display:block;font-size:17px;color:var(--forest);line-height:1.25}
.cert span{display:block;font-size:13.5px;color:var(--ink-soft);margin-top:4px}
.cert em{display:inline-block;margin-top:8px;font-style:normal;font-size:12.5px;font-weight:800;color:var(--orange-deep)}
.process{list-style:none;padding:0;display:grid;gap:10px;margin-top:22px}
.process li{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px 16px}
.process .n{flex:none;width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center}
.process b{display:block;color:#fff}
.process span{color:#D8EADF;font-size:14.5px}
.gallery{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 16px 14px;margin:24px -16px 0;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
@media(min-width:768px){.gallery{margin:28px 0 0;padding:4px 0 14px}}
.gallery figure{flex:0 0 78%;margin:0;scroll-snap-align:start;border-radius:14px;overflow:hidden;background:#0A4E2C;position:relative}
@media(min-width:600px){.gallery figure{flex-basis:44%}}
@media(min-width:1080px){.gallery figure{flex-basis:31%}}
.gallery img{width:100%;aspect-ratio:3/2;object-fit:cover}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 14px 10px;background:linear-gradient(transparent,rgba(0,0,0,.65));color:#fff;font-size:13.5px;font-weight:700}
.gallery-hint{font-size:13px;color:#D8EADF;text-align:right}

/* ===== Heritage ===== */
.heritage-grid{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.heritage-grid{grid-template-columns:1fr 1.1fr;gap:56px}}
.heritage-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.big-num{display:flex;align-items:baseline;gap:10px;margin:6px 0 12px}
.big-num .count{font-size:clamp(72px,12vw,120px);font-weight:900;color:var(--orange);line-height:.9;letter-spacing:-.04em}
.big-num span{font-weight:800;font-size:20px;color:var(--forest);text-transform:uppercase;line-height:1.1}
.pillars{display:grid;gap:14px;margin-top:22px}
@media(min-width:768px){.pillars{grid-template-columns:repeat(3,1fr);gap:20px}}
.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px}
.pillar .ico{width:48px;height:48px;border-radius:14px;background:var(--orange-tint);color:var(--orange-deep);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.pillar .ico svg{width:26px;height:26px}
.pillar h3{font-size:17.5px;font-weight:800;color:var(--forest);margin-bottom:6px;line-height:1.3}
.pillar p{margin:0;font-size:14.5px;color:var(--ink-soft)}
.pillar a{font-size:13.5px;font-weight:700}
.motto{margin-top:22px;text-align:center;padding:28px 20px;border-radius:var(--radius);background:var(--forest);color:#fff}
.motto q{display:block;font-size:clamp(20px,3vw,28px);font-weight:900;text-transform:uppercase;letter-spacing:-.01em;line-height:1.2;quotes:"“" "”"}
.motto small{display:block;margin-top:8px;color:#D8EADF;font-weight:600}

/* ===== Offer / Form ===== */
.offer{background:linear-gradient(180deg,var(--orange-tint),var(--cream))}
.offer-grid{display:grid;gap:26px;align-items:start}
@media(min-width:900px){.offer-grid{grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}}
.price-box{text-align:center}
@media(min-width:900px){.price-box{text-align:left}}
.price-box .pack{max-width:340px;margin:0 auto 6px}
@media(min-width:900px){.price-box .pack{margin:0 0 6px}}
.price-label{font-size:14px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em}
.price{font-size:clamp(44px,7vw,60px);font-weight:900;color:var(--forest);line-height:1;letter-spacing:-.02em}
.price small{font-size:16px;font-weight:600;color:var(--ink-soft);letter-spacing:0}
.gift{display:inline-flex;gap:10px;align-items:center;margin-top:14px;background:#fff;border:2px dashed var(--orange);border-radius:14px;padding:10px 14px;font-weight:700;text-align:left}
.gift svg{width:26px;height:26px;color:var(--orange);flex:none}
.call-line{margin-top:16px;font-weight:600}
.call-line a{font-weight:900;font-size:20px;color:var(--forest);text-decoration:none;white-space:nowrap}
.form-card{background:#fff;border-radius:22px;padding:24px 18px;box-shadow:0 18px 50px rgba(162,70,15,.14);border:1px solid #F3D9C4}
@media(min-width:600px){.form-card{padding:34px 32px}}
.form-card h2{font-size:clamp(22px,3.2vw,28px);font-weight:900;text-transform:uppercase;color:var(--forest);line-height:1.1;margin-bottom:8px}
.form-card .intro{color:var(--ink-soft);font-size:15px;margin-bottom:18px}
.field{margin-bottom:14px}
.field label,.field legend{display:block;font-weight:700;font-size:14.5px;margin-bottom:6px;padding:0}
.field .req{color:var(--orange-deep)}
.field input[type=text],.field input[type=tel]{width:100%;min-height:52px;padding:12px 14px;border:1.5px solid #D9CFC2;border-radius:12px;background:#FFFCF9;font-size:16px;color:var(--ink)}
.field input:focus{outline:none;border-color:var(--forest);box-shadow:0 0 0 3px rgba(15,107,61,.15)}
.field.invalid input{border-color:#C0392B;background:#FFF6F5}
.field .err{display:none;color:#B3261E;font-size:13px;font-weight:600;margin-top:5px}
.field.invalid .err{display:block}
fieldset.field{border:0;margin:0 0 14px;padding:0;min-width:0}
.options{display:flex;flex-wrap:wrap;gap:8px}
.options label{margin:0;font-weight:600;font-size:14.5px}
.options input{position:absolute;opacity:0;pointer-events:none}
.options span{display:inline-flex;align-items:center;min-height:44px;padding:9px 14px;border:1.5px solid #D9CFC2;border-radius:99px;background:#FFFCF9;cursor:pointer;transition:.15s}
.options input:checked+span{background:var(--forest);border-color:var(--forest);color:#fff}
.options input:focus-visible+span{outline:3px solid var(--orange);outline-offset:2px}
.field .consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-soft);margin:6px 0 16px;font-weight:500}
.consent input{width:22px;height:22px;margin-top:1px;flex:none;accent-color:var(--forest)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{margin-top:12px;font-size:12.5px;color:var(--ink-soft);text-align:center}
.form-error{display:none;margin-top:12px;background:#FDECEA;color:#8E1D16;border-radius:10px;padding:10px 12px;font-size:14px;font-weight:600}
.form-error.show{display:block}
.success{display:none;text-align:center;padding:12px 0}
.success.show{display:block}
.success .ok{width:72px;height:72px;margin:0 auto 14px;border-radius:50%;background:var(--forest-tint);color:var(--forest);display:flex;align-items:center;justify-content:center}
.success .ok svg{width:38px;height:38px}
.success h3{font-size:22px;font-weight:900;color:var(--forest);margin-bottom:8px}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:20px auto 0;display:grid;gap:10px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 20px;font-weight:800;font-size:16.5px;position:relative;line-height:1.4}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:20px;top:50%;width:12px;height:12px;border-right:3px solid var(--forest);border-bottom:3px solid var(--forest);transform:translateY(-70%) rotate(45deg);transition:.2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq .a{padding:0 20px 18px;color:var(--ink-soft)}
.faq .a p:last-child{margin:0}

/* ===== Warning + footer ===== */
.warning{background:#fff;border:2px solid var(--orange);border-radius:var(--radius);padding:22px 20px;font-size:15px}
@media(min-width:768px){.warning{padding:28px 32px}}
.warning h2{font-size:18px;font-weight:900;text-transform:uppercase;color:var(--orange-deep);margin-bottom:12px}
.warning .strong{font-weight:800;text-transform:uppercase;color:var(--ink)}
.warning ul{list-style:none;margin-top:10px;display:grid;gap:6px}
.warning li{padding-left:18px;position:relative}
.warning li::before{content:"+";position:absolute;left:0;font-weight:900;color:var(--orange-deep)}
.site-footer{background:var(--forest-deep);color:#CFE2D6;padding:48px 0 110px;font-size:14px}
@media(min-width:1080px){.site-footer{padding-bottom:48px}}
.footer-grid{display:grid;gap:26px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:36px}}
.site-footer h3{color:#fff;font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}
.site-footer a{color:#fff}
.site-footer p{margin:0 0 8px}
.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13px}

/* ===== Mobile action bar ===== */
.action-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.08);transition:transform .25s}
.action-bar.hide{transform:translateY(110%)}
.action-bar a{display:flex;align-items:center;justify-content:center;gap:6px;min-height:50px;border-radius:14px;font-weight:800;font-size:14px;text-decoration:none}
.action-bar .a-call{background:var(--forest-tint);color:var(--forest)}
.action-bar .a-zalo{background:#E8F1FE;color:#0068FF}
.action-bar .a-offer{background:var(--orange);color:#fff;text-transform:uppercase;font-size:13.5px}
.action-bar svg{width:20px;height:20px}
@media(min-width:1080px){.action-bar{display:none}}

/* ===== Lightbox ===== */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(10,20,15,.86);display:none;align-items:center;justify-content:center;padding:16px}
.lightbox.show{display:flex}
.lightbox img{max-height:90vh;width:auto;border-radius:10px;background:#fff}
.lightbox button{position:absolute;top:12px;right:12px;width:48px;height:48px;border-radius:50%;border:0;background:#fff;font-size:26px;font-weight:700;cursor:pointer}

/* ===== Reveal animation ===== */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:none}
}


/* ======================================================
   v2 – chỉnh sửa theo góp ý 17/09/2026
   ====================================================== */
.justify{text-align:justify}

/* Hero */
.hero{padding:28px 0 36px}
@media(min-width:900px){.hero{padding:40px 0 48px}}
.hero-grid{gap:20px}
@media(min-width:900px){.hero-grid{grid-template-columns:1fr 1.05fr;gap:36px}}
.hero h1{font-size:clamp(42px,6.6vw,78px);margin:2px 0 8px}
.hero-sub{display:inline-block;font-size:clamp(19px,2.4vw,26px);font-weight:800;color:#fff;background:var(--forest);padding:6px 16px;border-radius:10px;margin:0 0 16px;letter-spacing:-.01em}
.hero .lead{margin-bottom:0}
.hero-btn{margin-top:4px}
.hero-visual{position:relative;width:100%;max-width:560px;margin:0 auto}
.stage{position:relative;aspect-ratio:1/.78}
.stage-disc{position:absolute;inset:4% 9% 2%;border-radius:50%;background:radial-gradient(circle at 38% 32%,#fff 0,#F1F8F3 38%,#D6EADC 72%,#BFDCC9 100%);box-shadow:inset 0 -18px 40px rgba(15,107,61,.10)}
.hero-leaves{position:absolute;inset:-4%;color:var(--leaf);opacity:.5;pointer-events:none}
.stage picture{position:absolute;left:50%;top:48%;width:84%;transform:translate(-50%,-50%);z-index:2}
.stage .pack{width:100%;filter:drop-shadow(0 22px 24px rgba(10,78,44,.22))}
.stage-shadow{position:absolute;left:22%;right:22%;bottom:7%;height:22px;border-radius:50%;background:radial-gradient(ellipse at center,rgba(10,78,44,.28),transparent 70%);z-index:1}
@media (prefers-reduced-motion:no-preference){
  .pack-float{animation:float 5s ease-in-out infinite}
  @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
}
.trust{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.trust-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 6px;box-shadow:0 8px 20px rgba(15,107,61,.08)}
.trust-item .ti{width:40px;height:40px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.trust-item .ti svg{width:22px;height:22px}
.trust-item b{display:block;font-size:12.5px;font-weight:800;color:var(--forest);line-height:1.25}
.trust-item small{display:block;font-size:11px;color:var(--ink-soft);font-weight:600;line-height:1.3;margin-top:2px}
@media(min-width:600px){.trust-item b{font-size:14px}.trust-item small{font-size:12px}}
@media(min-width:900px){.trust{margin-top:6px;gap:12px}.trust-item{padding:14px 10px}.trust-item .ti{width:46px;height:46px}.stage{aspect-ratio:1/.72}}


/* Moments with photos */
.moment{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;text-align:left}
.moment-img{position:relative;aspect-ratio:4/3;background:var(--forest-tint);color:var(--forest);display:flex;align-items:center;justify-content:center}
.moment-img svg{width:64px;height:64px;opacity:.7}
.moment-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.moment-body{padding:18px 20px 20px}
.moment h3{font-size:18.5px;font-weight:800;color:var(--forest);margin-bottom:6px;line-height:1.28}
.moment .h3-sub{font-size:14.5px;font-weight:700;color:var(--orange-deep);margin:-2px 0 8px;line-height:1.35}
.moment p{margin:0;color:var(--ink-soft);font-size:15.5px}
.moment p strong{color:var(--forest);font-weight:800}

/* Product + usage */
.product-grid{gap:20px}
@media(min-width:900px){.product-grid{grid-template-columns:.95fr 1.05fr;gap:44px}}
.product-stage{position:relative;aspect-ratio:1/.85;max-width:520px;width:100%;margin:0 auto;perspective:1200px}
.ps-glow{position:absolute;inset:6% 4%;border-radius:50%;background:radial-gradient(circle at 50% 45%,rgba(116,195,101,.35),rgba(15,107,61,.14) 45%,transparent 70%)}
.ps-ring{position:absolute;inset:14% 12%;border-radius:50%;border:2px dashed rgba(15,107,61,.22)}
.product-stage picture{position:absolute;left:50%;top:46%;width:86%;transform:translate(-50%,-50%);z-index:2}
.pack-3d{width:100%;transform:rotateY(-14deg) rotateX(6deg) rotateZ(-2deg);filter:drop-shadow(18px 26px 22px rgba(10,78,44,.28)) drop-shadow(0 4px 6px rgba(0,0,0,.08));transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.product-stage:hover .pack-3d{transform:rotateY(-4deg) rotateX(2deg) rotateZ(0) scale(1.03)}
.ps-floor{position:absolute;left:18%;right:18%;bottom:10%;height:26px;border-radius:50%;background:radial-gradient(ellipse at center,rgba(10,78,44,.32),transparent 70%)}
.ps-badge{position:absolute;right:6%;bottom:4%;z-index:3;background:var(--forest);color:#fff;font-weight:800;font-size:13px;padding:6px 14px;border-radius:99px;box-shadow:0 6px 16px rgba(15,107,61,.3)}
.usage-title{font-size:18px;font-weight:900;text-transform:uppercase;color:var(--forest);margin:22px 0 10px;scroll-margin-top:90px}
.usage{display:grid;gap:10px;margin-top:0;grid-template-columns:1fr}
@media(min-width:600px){.usage{grid-template-columns:1fr 1fr}.usage .use:nth-child(3){grid-column:1/-1}}
.use{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;gap:12px;align-items:center;flex-direction:row;text-align:left}
@media(min-width:768px){.use{flex-direction:row;text-align:left;padding:12px 14px}}
.use .n{width:36px;height:36px;font-size:16px}
.use span{font-size:13px}
.use b{font-size:16px;line-height:1.25}
.usage-meta{margin:10px 0 0;font-size:14px;color:var(--ink-soft)}
.usage-meta b{color:var(--ink)}

/* Herbs */
.herb-img picture{display:block;width:100%;height:100%}
.herbs-note{margin-top:16px;align-items:center}
.herbs-note p{margin:0}
details.more{margin-top:10px}

/* Why 4 herbs */
.why-text{max-width:860px;margin:0 auto;text-align:justify;font-size:17px;color:var(--ink-soft)}
.why-text p{margin:0 0 8px}
@media(min-width:900px){
  .steps{align-items:stretch}
  .step{display:flex;flex-direction:column;align-items:stretch;padding:0;background:transparent;border:0;text-align:left}
  .step .dot{margin:0 auto 12px}
  .step-card{flex:1;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 20px}
  .step .stage-label{min-height:2.6em}
  .step h3{min-height:2.5em}
}
.step p{text-align:justify}

/* Research */
.research-note{margin-top:4px;padding:10px 14px;background:var(--orange-tint);border-radius:10px;font-style:normal;font-weight:600;color:var(--ink)}
.credits{margin-top:14px}

/* Heritage / motto */
.heritage-grid{gap:20px}
@media(min-width:900px){.heritage-grid{gap:44px}}
.motto{padding:20px}

/* Offer */
.offer-grid{gap:20px}
.site-footer{padding-top:36px}

/* ======================================================
   v3 – soát mobile 17/09/2026
   ====================================================== */
/* Chống tràn ngang: phần tử con của grid không được rộng hơn cột */
.hero-grid>*,.product-grid>*,.offer-grid>*,.factory-grid>*,.heritage-grid>*,.moments>*,.herbs>*,.pillars>*,.usage>*,.steps>*{min-width:0}
.offer-grid{grid-template-columns:minmax(0,1fr)}
@media(min-width:900px){.offer-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}
.form-card .options{gap:6px}
.form-card .options span{padding:8px 12px}

/* Cỡ chữ tối thiểu 12–13px cho khách lớn tuổi */
.brand small{font-size:12px}
.claim-label{font-size:12px}
.trust-item small{font-size:12px}
.trust-item b{font-size:13px}
.ev{font-size:12px}
.credits,.credits a{font-size:12px}
.eyebrow{font-size:13px}
.herb .en{font-size:13px}
.study cite{font-size:13px}
.form-foot{font-size:13px}
.footer-bottom{font-size:13px}

/* Vùng bấm tối thiểu ~44px */
.pillar a{display:inline-block;padding:10px 0}
.study cite a{display:inline-block;padding:6px 2px}
.consent a{display:inline-block;padding:4px 0}

@media(max-width:420px){
  .hero h1{font-size:40px}
  .hero-sub{font-size:18px;padding:6px 12px}
  .btn{padding:14px 18px;font-size:14.5px}
  .price{font-size:40px}
  .trust{gap:6px}
  .trust-item{padding:10px 4px}
  .h-section{font-size:25px}
}
.hero h1{text-wrap:balance}
@media(max-width:600px){.price small{display:block;margin-top:6px}.herb h3{font-size:14.5px}}