/* ===================================================================
   WILD GINSENG — K-Wild Ginseng for Cook (Lasham)
   Nền trắng · điểm đỏ đô · vàng hoàng gia · font không chân
   =================================================================== */

:root{
  --maroon:#6E1420;
  --maroon-deep:#54101a;
  --maroon-soft:#8a2233;
  --gold:#B8912E;
  --gold-light:#d4b25a;
  --ivory:#FBF7F0;
  --ivory-2:#F4ECE0;
  --ink:#2A2320;
  --ink-soft:#6b615a;
  --line:#e7ddcd;
  --white:#fff;
  --shadow:0 20px 60px -24px rgba(84,16,26,.28);
  --shadow-soft:0 12px 40px -20px rgba(42,35,32,.25);
  --serif:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;  /* font hiển thị */
  --sans:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  --maxw:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.2;letter-spacing:.5px;text-transform:uppercase}
h1{font-weight:800}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-weight:600;font-size:.93rem;
  letter-spacing:.4px;padding:.9em 1.8em;border-radius:2px;cursor:pointer;border:1.5px solid transparent;
  transition:.35s cubic-bezier(.2,.7,.3,1);white-space:nowrap}
.btn-primary{background:var(--maroon);color:#fff;box-shadow:0 10px 30px -12px rgba(110,20,32,.6)}
.btn-primary:hover{background:var(--maroon-deep);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--maroon);border-color:rgba(110,20,32,.35)}
.btn-outline:hover{border-color:var(--maroon);background:var(--maroon);color:#fff}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#3a2408;font-weight:700;
  box-shadow:0 12px 34px -14px rgba(184,145,46,.85)}
.btn-gold:hover{transform:translateY(-2px);filter:brightness(1.07)}
.btn-outline-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-outline-light:hover{background:#fff;color:var(--maroon);border-color:#fff}
.btn-nav{padding:.6em 1.35em;font-size:.82rem}
.btn-block{width:100%}

/* ---------- TOPBAR + NAV ---------- */
.topbar{background:var(--maroon-deep);color:#f3e4c9;text-align:center;font-size:.76rem;letter-spacing:.8px;padding:.55em 1em}
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 6px 24px -18px rgba(42,35,32,.4)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:.65rem 1.5rem;display:flex;align-items:center;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;margin-right:auto}
.brand-logo{height:27px;width:auto;flex:none}
.footer-brand .brand-logo{height:30px}
.brand-text{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap}
.brand-name{font-weight:800;font-size:1rem;letter-spacing:1.8px;color:var(--maroon);white-space:nowrap}
.brand-sub{font-size:.6rem;letter-spacing:1px;color:var(--ink-soft);text-transform:uppercase;white-space:nowrap}
.nav-links{display:flex;gap:1.15rem}
.nav-links a{font-size:.84rem;font-weight:500;position:relative;padding:.3em 0;white-space:nowrap}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--maroon);transition:.3s}
.nav-links a:hover{color:var(--maroon)}
.nav-links a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:14px 10px}
.nav-toggle span{width:24px;height:2px;background:var(--maroon)}

/* ---------- HERO: ÔNG VUA ---------- */
.hero-king{position:relative;min-height:min(88vh,760px);display:flex;align-items:center;overflow:hidden;background:#3a0d14}
/* ảnh vua nằm hẳn nửa phải — chữ bên trái không đè lên ngài */
.hk-bg{position:absolute;top:0;right:0;bottom:0;width:58%;
  background:url('img/hero/banner-extra.jpg') 60% center/cover no-repeat;
  filter:saturate(1.12) contrast(1.06) brightness(1.08)}
.hk-veil{position:absolute;inset:0;background:
  linear-gradient(90deg,#3a0d14 0%,#3a0d14 40%,rgba(58,13,20,.72) 47%,
  rgba(58,13,20,.22) 55%,rgba(58,13,20,0) 66%)}
.hk-inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:5rem 1.5rem;width:100%}
.hk-copy{max-width:34rem}
.hk-eyebrow{font-size:.76rem;letter-spacing:3.5px;text-transform:uppercase;color:var(--gold-light);font-weight:600;margin-bottom:1.3rem}
.hero-king h1{font-size:clamp(2.3rem,5.4vw,4.1rem);color:#fff;letter-spacing:2px;margin-bottom:1.6rem;line-height:1.1;
  text-shadow:0 4px 30px rgba(0,0,0,.5)}
.hero-king h1 span{color:var(--gold-light)}
.hk-story{color:#f0ddd0;font-size:1.05rem;margin-bottom:1rem;max-width:34rem;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.hk-story strong{color:#fff;font-weight:600}
.hk-note{color:var(--gold-light);font-style:italic;font-size:1.02rem;margin:1.5rem 0 2rem;padding-left:1.1rem;border-left:2px solid var(--gold);max-width:32rem}
.hk-cta{display:flex;gap:1rem;flex-wrap:wrap}
.hk-scroll{position:absolute;bottom:20px;left:50%;transform:translateX(-50%)}
.hk-scroll span{display:block;width:22px;height:36px;border:1.5px solid rgba(255,255,255,.5);border-radius:20px;position:relative}
.hk-scroll span::after{content:'';position:absolute;top:7px;left:50%;transform:translateX(-50%);width:3px;height:8px;background:var(--gold-light);border-radius:2px;animation:scroll 1.8s infinite}
@keyframes scroll{0%{opacity:0;top:7px}40%{opacity:1}80%{opacity:0;top:18px}}

/* ---------- PHILOSOPHY + STATS ---------- */
.philo{background:var(--maroon);color:#fff;text-align:center;padding:2.6rem 1.5rem}
.philo-quote{font-size:clamp(1.1rem,2.4vw,1.65rem);font-weight:600;letter-spacing:.6px;margin-bottom:.4rem}
.philo-sub{color:var(--gold-light);font-size:.78rem;letter-spacing:2.5px;text-transform:uppercase}
.stats{max-width:var(--maxw);margin:0 auto;padding:2.8rem 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.stat strong{display:block;font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;color:var(--maroon);letter-spacing:.5px}
.stat span{font-size:.84rem;color:var(--ink-soft)}

/* ---------- SECTION SHELL ---------- */
.sec{padding:5rem 0;scroll-margin-top:84px}
.sec.alt{background:linear-gradient(180deg,var(--ivory),#fff)}
.section-head{max-width:var(--maxw);margin:0 auto 2.6rem;padding:0 1.5rem}
.section-head.center{text-align:center}
.section-head h2{font-size:clamp(1.7rem,3.3vw,2.6rem);color:var(--maroon);margin-bottom:.7rem;letter-spacing:.8px}
.section-head .sub{color:var(--ink-soft);font-size:1.02rem;max-width:44rem;margin:0 auto}
.section-head.center h2::after{content:'❧';display:block;color:var(--gold);font-size:1.2rem;margin:.6rem auto 0;opacity:.85}
.eyebrow{font-size:.74rem;letter-spacing:3px;text-transform:uppercase;color:var(--maroon-soft);font-weight:600;margin-bottom:1rem}
.eyebrow.gold{color:var(--gold)}
.sub-h{max-width:var(--maxw);margin:3rem auto 1.2rem;padding:0 1.5rem;font-size:1.25rem;color:var(--maroon);letter-spacing:.6px}
.sub-h.nomt{margin-top:0;padding:0}

/* ---------- SPLIT LAYOUT ---------- */
.split{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:3rem;align-items:center}
.split.rev{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr)}
/* cột lưới không được giãn theo bảng min-width -> chống trượt ngang trên mobile */
.split>*,.gen-story>*,.survive>*,.order-inner>*,.steps>*,.use-grid>*,.cert-more>*{min-width:0}
.split-img{border-radius:5px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.split-img img{width:100%;object-fit:cover;aspect-ratio:4/5}
.split-img.plain{box-shadow:var(--shadow-soft);background:#fff}
.split-img.plain img{aspect-ratio:auto;height:auto;object-fit:contain;background:#fff}
.split-img figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.3rem;color:#fff;font-size:.78rem;letter-spacing:1px;
  text-transform:uppercase;background:linear-gradient(transparent,rgba(84,16,26,.88))}
.split-img.plain figcaption{position:static;color:var(--ink-soft);background:none;text-align:center;padding:.7rem;border-top:1px solid var(--line)}
.split-copy p{color:var(--ink-soft);font-size:1.03rem;margin-bottom:1.1rem}
.split-copy strong{color:var(--maroon-soft);font-weight:600}
.split-copy em{color:var(--ink)}

/* ---------- CALLOUT ---------- */
.callout{background:var(--ivory);border-left:3px solid var(--gold);border-radius:0 4px 4px 0;padding:1.3rem 1.5rem;margin:1.4rem 0}
.callout.wide{max-width:var(--maxw);margin:1.6rem auto;padding:1.5rem 1.8rem}
.callout-title{font-weight:700;color:var(--maroon);font-size:.8rem;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:.5rem}
.callout p{color:var(--ink-soft);font-size:.96rem;margin-bottom:.5rem}
.callout p:last-child{margin-bottom:0}

/* ---------- TABLES ---------- */
.table-wrap{max-width:var(--maxw);margin:0 auto 1rem;padding:0 1.5rem;overflow-x:auto}
.split-copy .table-wrap,.split-copy .callout{padding:0;margin-left:0;margin-right:0}
.tbl{width:100%;border-collapse:collapse;font-size:.94rem;background:#fff;min-width:520px}
.tbl th{background:var(--maroon);color:#fff;text-align:left;padding:.85em 1em;font-weight:600;font-size:.8rem;letter-spacing:1.2px;text-transform:uppercase}
.tbl td{padding:.85em 1em;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr:hover{background:var(--ivory)}
.tbl tr.hl{background:rgba(184,145,46,.1)}
.tbl tr.hl td{color:var(--ink)}
.tbl strong{color:var(--maroon)}
.tbl.compact td,.tbl.compact th{padding:.6em .8em;font-size:.9rem}
.ko{font-size:.8rem;color:var(--gold);letter-spacing:.3px}
.note-line{max-width:var(--maxw);margin:0 auto 1.4rem;padding:0 1.5rem;color:var(--ink-soft);font-size:.98rem}
.note-line.small{font-size:.88rem}
.note-line strong{color:var(--maroon)}
.src{max-width:var(--maxw);margin:0 auto 1.5rem;padding:0 1.5rem;font-size:.8rem;color:#9a8d82;font-style:italic}
.split-copy .src,.split-copy .note-line{padding:0;margin-left:0}

/* ---------- QUOTES ---------- */
.quote-band{max-width:56rem;margin:2.4rem auto;padding:0 1.5rem;text-align:center;color:var(--maroon);
  font-size:clamp(1.05rem,2.1vw,1.4rem);font-weight:600;font-style:italic;line-height:1.5}
.quote-band.sm{font-size:clamp(.98rem,1.7vw,1.12rem);font-weight:500;color:var(--ink-soft)}
.quote-inline{font-style:italic;color:var(--maroon);font-weight:600;border-left:2px solid var(--gold);padding-left:1rem;margin-top:1.2rem}

/* ---------- RULES (4 nguyên tắc) ---------- */
.rule-grid{max-width:var(--maxw);margin:2rem auto 1rem;padding:0 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.rule{background:#fff;border:1px solid var(--line);border-radius:5px;padding:1.6rem 1.3rem;transition:.35s}
.rule:hover{transform:translateY(-5px);box-shadow:var(--shadow-soft);border-color:var(--gold)}
.rule-no{font-size:1.6rem;font-weight:800;color:var(--gold);opacity:.55;display:block;line-height:1}
.rule h4{font-size:1rem;color:var(--maroon);margin:.5rem 0 .5rem;letter-spacing:.5px}
.rule p{font-size:.9rem;color:var(--ink-soft)}

/* ---------- SURVIVE (tỉ lệ sống) ---------- */
.survive{max-width:var(--maxw);margin:3rem auto 0;padding:2.4rem 1.5rem;display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;
  align-items:center;background:var(--maroon-deep);border-radius:6px;color:#f0ddd0}
.survive .eyebrow{color:var(--gold-light)}
.survive h3{color:#fff;font-size:1.5rem;margin-bottom:.9rem}
.survive p{color:#e2cfc2;font-size:1rem;margin-bottom:.8rem}
.survive strong{color:var(--gold-light)}
.survive .quote-inline{color:#fff;border-color:var(--gold-light)}
.bar{display:grid;grid-template-columns:8rem 1fr 3rem;align-items:center;gap:.8rem;margin-bottom:1rem}
.bar-label{font-size:.85rem;color:#e2cfc2}
.bar-track{height:9px;background:rgba(255,255,255,.16);border-radius:6px;overflow:hidden}
.bar-track i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-light));border-radius:6px}
.bar-val{font-weight:700;color:var(--gold-light);font-size:.92rem;text-align:right}

/* ---------- GALLERY ---------- */
.gal-4{max-width:var(--maxw);margin:0 auto 2.6rem;padding:0 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.gal-4.mt{margin-top:2.4rem}
.gal-4 img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:4px;box-shadow:var(--shadow-soft);transition:.4s}
.gal-4 img:hover{transform:translateY(-5px) scale(1.02)}
.wide-img{max-width:var(--maxw);margin:2.2rem auto;padding:0 1.5rem}
.wide-img img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:5px;box-shadow:var(--shadow-soft)}
.wide-img figcaption{text-align:center;font-size:.84rem;color:var(--ink-soft);margin-top:.7rem;font-style:italic}

/* ---------- FACTS 4 ---------- */
.facts-4{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1.3rem;margin-top:1.6rem}
.facts-4 li{display:flex;flex-direction:column;border-left:2px solid var(--gold);padding-left:1rem}
.facts-4 strong{font-size:1.3rem;color:var(--maroon);font-weight:700;letter-spacing:.4px}
.facts-4 span{font-size:.8rem;color:var(--ink-soft)}

/* ---------- STEPS (quy trình) ---------- */
.steps{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.step{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.4s;display:flex;flex-direction:column}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ivory-2)}
.step-img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.step:hover .step-img img{transform:scale(1.07)}
.step-no{position:absolute;left:0;bottom:0;background:var(--maroon);color:#fff;font-weight:800;font-size:.9rem;
  padding:.35em .9em;letter-spacing:1px}
.step h4{font-size:1.08rem;color:var(--maroon);padding:1.2rem 1.3rem .4rem;letter-spacing:.4px}
.step p{font-size:.92rem;color:var(--ink-soft);padding:0 1.3rem 1.4rem}
.step strong{color:var(--maroon-soft)}

/* ---------- GEN STORY ---------- */
.gen-story{max-width:var(--maxw);margin:3.2rem auto 0;padding:0 1.5rem;display:grid;grid-template-columns:.85fr 1.15fr;gap:2.6rem;align-items:center}
.gen-story figure{border-radius:5px;overflow:hidden;box-shadow:var(--shadow)}
.gen-story img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gen-story h3{font-size:1.5rem;color:var(--maroon);margin-bottom:.8rem}
.gen-story p{color:var(--ink-soft);margin-bottom:.9rem}
.gen-story strong{color:var(--maroon-soft)}

/* ---------- COMPOSITION ---------- */
.comp-grid{max-width:var(--maxw);margin:0 auto 1.4rem;padding:0 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.comp{text-align:center;padding:1.7rem 1rem;border:1px solid var(--line);border-radius:5px;background:#fff;transition:.35s}
.comp:hover{border-color:var(--gold);transform:translateY(-4px)}
.comp.featured{background:var(--maroon);border-color:var(--maroon)}
.comp.featured strong,.comp.featured span{color:#fff}
.comp.featured strong{color:var(--gold-light)}
.comp strong{display:block;font-size:1.7rem;font-weight:800;color:var(--maroon)}
.comp span{font-size:.84rem;color:var(--ink-soft)}

/* ---------- SEASONS ---------- */
.season-grid{max-width:var(--maxw);margin:2rem auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.season{background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:4px;padding:1.4rem 1.2rem;transition:.35s}
.season:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.season h4{font-size:1.05rem;color:var(--maroon);margin-bottom:.2rem}
.season span{display:block;font-size:.78rem;color:var(--gold);letter-spacing:1.2px;margin-bottom:.6rem;text-transform:uppercase;font-weight:600}
.season p{font-size:.9rem;color:var(--ink-soft)}

/* ---------- EVIDENCE ---------- */
.evi-grid{max-width:var(--maxw);margin:2rem auto;padding:0 1.5rem;display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.evi{background:var(--ivory);border-radius:6px;padding:1.9rem;border-left:3px solid var(--maroon)}
.evi-no{font-size:1.5rem;color:var(--gold);font-weight:700}
.evi h4{font-size:1.08rem;color:var(--maroon);margin:.3rem 0 .7rem;letter-spacing:.4px}
.evi p{font-size:.94rem;color:var(--ink-soft);margin-bottom:.6rem}
.evi .src{padding:0;margin:0;font-size:.78rem}

/* ---------- IDENTIFY ---------- */
.idf{display:flex;gap:1rem;margin-bottom:1.3rem;align-items:flex-start}
.idf-no{font-size:1.3rem;color:var(--gold);font-weight:700;line-height:1.2;flex:none}
.idf h4{font-size:1.02rem;color:var(--maroon);margin-bottom:.3rem;letter-spacing:.4px}
.idf p{font-size:.93rem;color:var(--ink-soft);margin:0}
.idf strong{color:var(--maroon-soft)}

/* ---------- DRYING ---------- */
.dry-grid{max-width:var(--maxw);margin:0 auto 1.5rem;padding:0 1.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.dry{background:#fff;border:1px solid var(--line);border-radius:6px;padding:1.9rem 1.6rem;text-align:center;transition:.35s}
.dry:hover{border-color:var(--gold);transform:translateY(-5px);box-shadow:var(--shadow-soft)}
.dry h4{font-size:1.1rem;color:var(--maroon);margin-bottom:.4rem}
.dry-time{font-size:1.7rem;font-weight:800;color:var(--gold);margin-bottom:.6rem}
.dry p{font-size:.92rem;color:var(--ink-soft)}

/* ---------- QUALITY STEPS ---------- */
.qsteps{max-width:var(--maxw);margin:0 auto 1.5rem;padding:0 1.5rem;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.qsteps li{display:flex;gap:1rem;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:5px;padding:1.3rem}
.qsteps li span{width:34px;height:34px;flex:none;display:grid;place-items:center;background:var(--maroon);color:#fff;border-radius:50%;font-weight:700;font-size:.92rem}
.qsteps h4{font-size:.98rem;color:var(--maroon);margin-bottom:.25rem;letter-spacing:.3px}
.qsteps p{font-size:.88rem;color:var(--ink-soft)}

/* ---------- CON DẤU nhỏ ở đầu & cuối trang ---------- */
.brand-seals{display:flex;align-items:center;gap:.4rem;margin-left:.6rem;padding-left:.7rem;border-left:1px solid var(--line);flex:none}
.brand-seals img{height:26px;width:auto;object-fit:contain;background:#fff;border-radius:3px}
.footer-seals{margin-left:1rem;padding-left:1rem;border-left:1px solid rgba(203,185,155,.25)}
.footer-seals img{height:36px}

/* ---------- GIẤY CHỨNG NHẬN ---------- */
.cert-main{max-width:660px;margin:0 auto 1.8rem;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.35s}
.cert-main:hover{border-color:var(--gold);box-shadow:var(--shadow)}
.cert-main img{width:100%;height:auto;display:block;background:#fff;padding:.9rem}
.cert-main figcaption{font-size:.86rem;color:var(--ink-soft);text-align:center;padding:.9rem 1.2rem;border-top:1px solid var(--line)}
.cert-main strong{color:var(--maroon)}
.cert-more{max-width:var(--maxw);margin:0 auto 1.8rem;padding:0 1.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.cert-more figure{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.35s;display:flex;flex-direction:column}
.cert-more figure:hover{border-color:var(--gold);transform:translateY(-5px);box-shadow:var(--shadow-soft)}
.cert-more img{width:100%;aspect-ratio:3/4;object-fit:contain;display:block;background:#fff;padding:.6rem}
.cert-more figcaption{margin-top:auto}
.cert-more figcaption{font-size:.8rem;color:var(--ink-soft);text-align:center;padding:.7rem;border-top:1px solid var(--line)}

/* ---------- LƯỚI 2 ẢNH ---------- */
.gal-2{max-width:var(--maxw);margin:0 auto 2.4rem;padding:0 1.5rem;display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.gal-2.mt{margin-top:2.4rem}
.gal-2 img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:5px;box-shadow:var(--shadow-soft);transition:.4s}
.gal-2 img:hover{transform:translateY(-5px)}
.cert-list{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem 0 3rem;color:var(--ink-soft);font-size:.98rem}
.cert-list li{margin-bottom:.6rem}
.cert-list strong{color:var(--maroon)}

/* ---------- USE GRID ---------- */
.use-grid{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.use{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:.4s}
.use:hover{transform:translateY(-6px);box-shadow:var(--shadow-soft)}
.use-img{aspect-ratio:4/3;overflow:hidden;background:#fff}
.use-img img{width:100%;height:100%;object-fit:contain;transition:.6s}
.use:hover .use-img img{transform:scale(1.06)}
.use h4{font-size:1.02rem;color:var(--maroon);padding:1.1rem 1.2rem .3rem;letter-spacing:.4px}
.use p{font-size:.9rem;color:var(--ink-soft);padding:0 1.2rem 1.3rem}

/* ---------- PILLARS ---------- */
.pillars-grid{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.pillar{background:#fff;border:1px solid var(--line);border-radius:5px;padding:2.2rem 1.6rem;text-align:center;transition:.4s;position:relative;overflow:hidden}
.pillar::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--maroon));transform:scaleX(0);transition:.4s}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow-soft)}
.pillar:hover::before{transform:scaleX(1)}
.pillar-ico{font-size:1.8rem;color:var(--gold);margin-bottom:.8rem}
.pillar h3{font-size:1.08rem;color:var(--maroon);margin-bottom:.6rem;letter-spacing:.4px}
.pillar p{color:var(--ink-soft);font-size:.92rem}

/* ---------- SAFETY ---------- */
.safety{max-width:var(--maxw);margin:2.6rem auto 0;padding:1.8rem;background:#fff6f0;border:1px solid #f0d5c4;border-left:4px solid var(--maroon);border-radius:0 5px 5px 0}
.safety-title{font-weight:700;color:var(--maroon);letter-spacing:1px;text-transform:uppercase;font-size:.84rem;margin-bottom:.7rem}
.safety p{color:var(--ink-soft);font-size:.94rem;margin-bottom:.6rem}
.safety p:last-child{margin-bottom:0}
.safety strong{color:var(--maroon)}

/* ---------- PRODUCTS ---------- */
.products-grid{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
.product-card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column;transition:.4s;position:relative}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.product-card.featured{border:1.5px solid var(--gold);box-shadow:0 24px 60px -30px rgba(184,145,46,.6)}
.ribbon{position:absolute;top:16px;right:-34px;background:var(--maroon);color:#fff;font-size:.7rem;letter-spacing:1px;
  font-weight:600;padding:.35em 3em;transform:rotate(45deg);z-index:2}
.product-media{background:linear-gradient(160deg,var(--ivory),var(--ivory-2));padding:1.6rem;aspect-ratio:1/.85;display:grid;place-items:center}
.product-media img{max-height:100%;width:auto;object-fit:contain;filter:drop-shadow(0 14px 24px rgba(84,16,26,.18))}
.product-body{padding:1.7rem;display:flex;flex-direction:column;flex:1}
.product-tag{font-size:.7rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:.4rem}
.product-body h3{font-size:1.35rem;color:var(--maroon);margin-bottom:.6rem}
.product-desc{color:var(--ink-soft);font-size:.92rem;margin-bottom:1.3rem;flex:1}
.product-price{display:flex;align-items:baseline;gap:.4rem;margin-bottom:1.3rem}
.product-price .amount{font-size:1.9rem;font-weight:800;color:var(--maroon)}
.product-price .unit{color:var(--ink-soft);font-size:.88rem}
.products-note{text-align:center;color:var(--ink-soft);font-size:.9rem;margin-top:1.6rem;padding:0 1.5rem;font-style:italic}

/* ---------- VIET STORY ---------- */
.viet-story{background:var(--maroon-deep);color:#f0ddd0;padding:4.5rem 1.5rem;text-align:center}
.vs-inner{max-width:50rem;margin:0 auto}
.viet-story .eyebrow{color:var(--gold-light)}
.viet-story h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:1.3rem}
.viet-story p{color:#e2cfc2;font-size:1.03rem;margin-bottom:1rem}
.viet-story strong{color:var(--gold-light);font-weight:600}
.vs-em{font-style:italic;color:#fff;border-top:1px solid rgba(212,178,90,.3);padding-top:1.2rem;margin-top:1.4rem}

/* ---------- ORDER ---------- */
.order{padding:5rem 0;background:var(--maroon-deep);color:#f4e7cf;scroll-margin-top:84px}
.order-inner{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.order-info h2{color:#fff;font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:1rem}
.order-info>p{color:#e5d3b3;margin-bottom:2rem}
.order-info .eyebrow{color:var(--gold-light)}
.order-contact{list-style:none;display:flex;flex-direction:column;gap:1rem}
.order-contact li{display:flex;align-items:center;gap:1rem;font-size:1.12rem;font-weight:500}
.order-contact a{color:#fff;transition:.3s}
.order-contact a:hover{color:var(--gold-light)}
.oc-ico{width:44px;height:44px;flex:none;display:grid;place-items:center;border:1px solid rgba(212,178,90,.5);border-radius:50%;color:var(--gold-light);font-size:1.15rem}
.order-form{background:#fff;border-radius:8px;padding:2.2rem;color:var(--ink);box-shadow:var(--shadow)}
.form-row{margin-bottom:1.1rem}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.order-form label{display:flex;flex-direction:column;gap:.4rem;font-size:.84rem;font-weight:600;letter-spacing:.3px}
.order-form input,.order-form select,.order-form textarea{font-family:var(--sans);font-size:.94rem;padding:.8em .9em;
  border:1px solid var(--line);border-radius:4px;background:var(--ivory);color:var(--ink);transition:.25s;font-weight:400}
.order-form input:focus,.order-form select:focus,.order-form textarea:focus{outline:none;border-color:var(--maroon);background:#fff;box-shadow:0 0 0 3px rgba(110,20,32,.1)}
.order-form textarea{resize:vertical}
.form-hint{font-size:.85rem;margin-top:.8rem;text-align:center;min-height:1.2em}
.form-hint.ok{color:#1c7c3f}
.form-hint.err{color:var(--maroon)}
.lbl-opt{font-weight:400;color:var(--ink-soft);text-transform:none;letter-spacing:0;font-size:.78rem}
.form-alt{text-align:center;font-size:.85rem;color:var(--ink-soft);margin-top:.9rem}
.form-alt a{color:var(--maroon);font-weight:600;border-bottom:1px solid rgba(110,20,32,.35)}
.form-alt a:hover{color:var(--maroon-deep)}
#submitBtn:disabled{opacity:.6;cursor:wait}

/* ---------- FOOTER ---------- */
.footer{background:#1a1512;color:#cbb99b}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:2.8rem 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:1rem}
.footer-brand .brand-name{color:#fff;letter-spacing:2px}
.footer-brand .brand-sub{color:#9a8a70}
.footer-links{display:flex;gap:1.2rem;flex-wrap:wrap}
.footer-links a{font-size:.86rem;transition:.3s}
.footer-links a:hover{color:var(--gold-light)}
.footer-contact{font-size:.88rem;text-align:right}
.fc-sm{font-size:.76rem;color:#8f8069;margin-top:.3rem}
.disclaimer{border-top:1px solid rgba(203,185,155,.15);text-align:center;padding:1.4rem 1.5rem;font-size:.78rem;color:#8f8069;line-height:1.7}
.disclaimer p{max-width:62rem;margin:0 auto .4rem}
.disclaimer strong{color:#c4b294}

/* ---------- TOAST + REVEAL ---------- */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(120px);background:var(--maroon);color:#fff;
  padding:1em 1.6em;border-radius:4px;font-size:.92rem;font-weight:500;box-shadow:var(--shadow);z-index:200;
  transition:.4s cubic-bezier(.2,.7,.3,1);max-width:90vw;border:1px solid var(--gold)}
.toast.show{transform:translateX(-50%) translateY(0)}
.reveal{opacity:0;transform:translateY(26px);transition:.8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1080px){
  .nav-links{gap:.85rem}
  .nav-links a{font-size:.78rem}
  .rule-grid,.comp-grid,.season-grid,.use-grid,.pillars-grid{grid-template-columns:1fr 1fr}
  .steps,.qsteps{grid-template-columns:1fr 1fr}
  .gal-4{grid-template-columns:1fr 1fr}
  .nav .brand-seals{display:none}   /* nav chật -> chỉ giữ con dấu ở footer */
}
@media(max-width:900px){
  .nav-links,.btn-nav{display:none}
  .nav-toggle{display:flex}
  .nav.open .nav-links{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;
    padding:1.2rem 1.5rem;gap:.9rem;border-bottom:1px solid var(--line);box-shadow:var(--shadow-soft)}
  .hero-king{min-height:auto}
  .hk-bg{width:100%;background-position:center top}
  .hk-veil{background:linear-gradient(180deg,rgba(50,10,16,.55) 0%,rgba(58,13,20,.9) 42%,rgba(58,13,20,.97) 100%)}
  .hk-inner{padding:14rem 1.5rem 3.5rem}
  .split,.split.rev,.gen-story,.survive,.order-inner{grid-template-columns:1fr;gap:2.2rem}
  .stats{grid-template-columns:1fr 1fr;gap:1.8rem}
  .products-grid,.dry-grid,.evi-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-contact{text-align:center}
  .footer-brand{flex-wrap:wrap;justify-content:center;max-width:100%}
  .footer-seals{margin-left:0;padding-left:0;border-left:none;margin-top:.7rem;width:100%;justify-content:center}
}
@media(max-width:560px){
  .form-row.two{grid-template-columns:1fr}
  .rule-grid,.comp-grid,.season-grid,.use-grid,.pillars-grid,.steps,.qsteps,.gal-4,.gal-2,.cert-more{grid-template-columns:1fr}
  .facts-4{grid-template-columns:1fr}
  .bar{grid-template-columns:6.5rem 1fr 2.6rem;gap:.5rem}
  .hk-inner{padding:11rem 1.2rem 3rem}
}

/* ===== SOCIAL CHANNELS ===== */
.socials{background:var(--ivory-2,#f7f2ea);padding:2.2rem 1.5rem;text-align:center}
.socials h3{font-size:1.05rem;color:var(--maroon,#6b1f2a);margin:0 0 1.1rem;letter-spacing:.02em}
.socials-row{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;max-width:760px;margin:0 auto}
.socials-row a{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.2rem;border:1px solid var(--line,#e3d9c8);border-radius:999px;background:#fff;color:var(--ink,#2b2118);text-decoration:none;font-size:.92rem;font-weight:500;transition:.3s;min-height:44px}
.socials-row a:hover{border-color:var(--gold,#b8934a);box-shadow:0 6px 18px rgba(0,0,0,.08);transform:translateY(-2px)}
.socials-row .si{font-weight:800;font-size:.8rem;padding:.15rem .45rem;border-radius:6px;color:#fff}
.si-yt{background:#e02424}.si-fb{background:#1877f2}.si-tt{background:#111}.si-zl{background:#0068ff}
@media (max-width:640px){.socials-row{gap:.6rem}.socials-row a{flex:1 1 44%;justify-content:center;padding:.6rem .5rem;font-size:.85rem}}