/* ===================================================================
   FUSIN Spa SPF — Landing sỉ kem chống nắng
   Design system: "Nắng vàng sang trọng" — editorial sunlit luxe
   =================================================================== */

:root{
  /* --- Surfaces --- */
  --cream:#FBF4E4;
  --ivory:#FFFDF6;
  --sand:#F1E3C8;
  --sand-deep:#E7D4AC;
  --teal-900:#0A3733;
  --teal-800:#0E4A43;
  --teal-700:#155C53;

  /* --- Accents --- */
  --gold:#C0832E;
  --gold-bright:#E0A53D;
  --gold-soft:#ECC880;
  --terra:#B0623A;

  /* --- Ink --- */
  --ink:#2A241B;
  --ink-soft:#6B6052;
  --line:#E3D4B4;
  --cream-text:#F6ECD6;
  --cream-muted:#AEC1B9;

  /* --- Type --- */
  --display:'Fraunces',Georgia,'Times New Roman',serif;
  --body:'Be Vietnam Pro','Segoe UI',sans-serif;

  /* --- Metrics --- */
  --wrap:1180px;
  --wrap-narrow:760px;
  --radius:18px;
  --radius-sm:11px;
  --shadow-sm:0 2px 12px rgba(42,36,27,.07);
  --shadow:0 18px 48px -20px rgba(42,36,27,.30);
  --shadow-gold:0 16px 38px -14px rgba(192,131,46,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===================== RESET ===================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  background:var(--cream);
  color:var(--ink);
  font-size:17px;
  line-height:1.72;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none}
:focus-visible{outline:2.5px solid var(--gold-bright);outline-offset:3px;border-radius:4px}

/* ===================== GRAIN OVERLAY ===================== */
.grain{
  position:fixed;inset:0;z-index:9999;pointer-events:none;
  opacity:.42;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* ===================== LAYOUT ===================== */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}
.wrap--narrow{max-width:var(--wrap-narrow)}

.skip-link{
  position:absolute;left:14px;top:-60px;z-index:10000;
  background:var(--teal-900);color:var(--cream-text);
  padding:10px 18px;border-radius:8px;font-size:14px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

/* ===================== TYPOGRAPHY HELPERS ===================== */
.eyebrow{
  font-family:var(--body);
  font-size:12.5px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);
  display:flex;align-items:center;gap:12px;margin-bottom:22px;
}
.eyebrow::before{content:"";width:30px;height:1.5px;background:var(--gold);display:inline-block;flex:none}
.eyebrow--light{color:var(--gold-soft)}
.eyebrow--light::before{background:var(--gold-soft)}
.section__head--center .eyebrow{justify-content:center}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--body);font-weight:600;font-size:15.5px;
  letter-spacing:.005em;line-height:1;text-align:center;
  padding:16px 30px;border-radius:999px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
  white-space:nowrap;
}
.btn--sm{padding:11px 21px;font-size:14px}
.btn--lg{padding:19px 38px;font-size:16.5px}
.btn--block{width:100%}
.btn--solid{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:var(--teal-900);
  box-shadow:var(--shadow-gold);
}
.btn--solid:hover{transform:translateY(-3px);box-shadow:0 22px 46px -14px rgba(192,131,46,.7)}
.btn--ghost{
  background:transparent;color:var(--teal-800);
  box-shadow:inset 0 0 0 1.6px rgba(14,74,67,.4);
}
.btn--ghost:hover{background:rgba(14,74,67,.06);transform:translateY(-3px)}

/* ===================== HEADER ===================== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,244,228,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-stuck{border-color:var(--line);box-shadow:0 6px 24px -16px rgba(42,36,27,.4)}
.site-header__inner{display:flex;align-items:center;gap:28px;height:78px}

.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand__mark{color:var(--gold);display:flex}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__name{
  font-family:var(--display);font-weight:600;font-size:23px;
  letter-spacing:.14em;color:var(--teal-900);
}
.brand__tag{
  font-size:10.5px;font-weight:600;letter-spacing:.32em;
  text-transform:uppercase;color:var(--gold);margin-top:3px;
}
.site-nav{display:flex;gap:30px;margin-left:auto}
.site-nav a{
  font-size:15px;font-weight:500;color:var(--ink-soft);
  position:relative;padding:4px 0;transition:color .2s var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
  background:var(--gold);transition:width .26s var(--ease);
}
.site-nav a:hover{color:var(--teal-900)}
.site-nav a:hover::after{width:100%}
.site-header__cta{flex:none}

/* Nút hamburger — ẩn ở desktop, hiện ở mobile (xem @media 1000px) */
.nav-toggle{
  display:none;flex:none;margin-left:14px;
  width:44px;height:44px;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:none;border:none;cursor:pointer;color:var(--teal-900);
}
.nav-toggle__bar{
  display:block;width:24px;height:2px;border-radius:2px;background:currentColor;
  transition:transform .3s var(--ease),opacity .2s var(--ease);
}
.site-header.nav-open .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-toggle__bar:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.site-nav__cta{display:none}

/* ===================== HERO ===================== */
.hero{position:relative;padding:72px 0 60px;overflow:hidden;
  background:linear-gradient(180deg,#FCF6E8 0%,var(--cream) 64%,var(--sand) 100%);}
.hero__sun{
  position:absolute;top:-260px;right:-160px;width:760px;height:760px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,165,61,.42) 0%,rgba(224,165,61,.16) 38%,transparent 68%);
  filter:blur(8px);z-index:0;
}
.hero__inner{
  position:relative;z-index:1;
  max-width:720px;margin-left:auto;margin-right:auto;text-align:center;
}
.hero__copy{max-width:none}
.hero__title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(38px,5.4vw,66px);line-height:1.07;
  letter-spacing:-.018em;color:var(--teal-900);
  margin-bottom:26px;
}
.hero__title em{font-style:italic;color:var(--terra);position:relative;white-space:nowrap}
.hero__title em::after{
  content:"";position:absolute;left:0;right:0;bottom:.04em;height:.13em;
  background:rgba(224,165,61,.42);z-index:-1;border-radius:2px;
}
.hero__lead{
  font-size:18.5px;color:var(--ink-soft);margin-bottom:34px;
  max-width:560px;margin-left:auto;margin-right:auto;
}
.hero__lead strong{color:var(--teal-800);font-weight:600}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px;justify-content:center}
.hero__micro{font-size:13.5px;color:var(--ink-soft);letter-spacing:.01em}

/* stats */
.stats{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:58px;border-top:1px solid var(--line);
}
.stats__item{padding:30px 22px 6px;border-right:1px solid var(--line)}
.stats__item:last-child{border-right:none}
.stats__item dt{
  font-family:var(--display);font-weight:600;
  font-size:46px;line-height:1;color:var(--teal-900);letter-spacing:-.02em;
}
.stats__item dt span{font-size:21px;color:var(--gold)}
.stats__item dd{font-size:14.5px;color:var(--ink-soft);margin-top:9px}

/* ===================== RIBBON ===================== */
.ribbon{background:var(--teal-900);overflow:hidden;padding:17px 0}
.ribbon__track{
  display:flex;gap:0;white-space:nowrap;width:max-content;
  animation:slide 38s linear infinite;
}
.ribbon__track span{
  font-size:14px;font-weight:500;color:var(--cream-text);
  letter-spacing:.04em;padding:0 8px;
}
.ribbon__dot{color:var(--gold) !important;padding:0 14px !important}
@keyframes slide{to{transform:translateX(-50%)}}

/* ===================== SECTIONS ===================== */
.section{padding:104px 0;position:relative}
.section,.hero{scroll-margin-top:92px}
.section__head{max-width:720px;margin-bottom:56px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.section__title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(29px,3.7vw,46px);line-height:1.14;
  letter-spacing:-.015em;color:var(--teal-900);
}
.section__title em{font-style:italic;color:var(--terra)}
.section__intro{
  font-size:17.5px;color:var(--ink-soft);margin-top:20px;max-width:600px;
}
.section__head--center .section__intro{margin-left:auto;margin-right:auto}
.section__intro em{font-style:italic;color:var(--teal-700)}
.section__pull{
  font-family:var(--display);font-size:clamp(21px,2.6vw,29px);
  font-style:italic;color:var(--teal-800);line-height:1.42;
  max-width:720px;margin-top:54px;padding-left:26px;
  border-left:3px solid var(--gold);
}
.section__pull em{color:var(--terra);font-weight:500}

/* sections on dark */
.section--guide,.section--plan-dark,.section--toolkit,.section--signup{
  background:var(--teal-800);color:var(--cream-text);
}
.section--guide .section__title,
.section--toolkit .section__title,
.section--signup .section__title{color:var(--ivory)}
.section--guide .section__intro,
.section--toolkit .section__intro,
.section--signup .section__intro{color:var(--cream-muted)}
.section--toolkit .section__title em,
.section--guide .section__title em,
.section--signup .section__title em{color:var(--gold-soft)}

/* sand sections */
.section--products{background:linear-gradient(180deg,var(--sand),#F3E6CC)}
.section--stakes{background:var(--sand)}
.section--faq{background:var(--ivory)}

/* ===================== PROBLEM ===================== */
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{
  background:var(--ivory);border-radius:var(--radius);
  padding:36px 30px;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.pcard__index{
  font-family:var(--display);font-style:italic;font-size:26px;
  color:var(--gold);display:block;margin-bottom:14px;
}
.pcard__title{
  font-family:var(--display);font-weight:600;font-size:21px;
  color:var(--teal-900);margin-bottom:12px;
}
.pcard p{font-size:15.5px;color:var(--ink-soft)}
.pcard--accent{background:var(--teal-900);border-color:var(--teal-900)}
.pcard--accent .pcard__title{color:var(--ivory)}
.pcard--accent p{color:var(--cream-muted)}
.pcard--accent .pcard__index{color:var(--gold-soft)}

/* ===================== GUIDE ===================== */
.section--guide{overflow:hidden}
.guide__sun{
  position:absolute;top:-200px;left:-180px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,165,61,.20) 0%,transparent 66%);
}
.guide__body{
  position:relative;z-index:1;
  display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:center;
}
.guide__founder{text-align:center}
.guide__portrait{
  width:100%;max-width:330px;height:auto;
  border-radius:var(--radius-sm);display:block;margin:0 auto;
  border:1px solid rgba(236,200,128,.32);box-shadow:var(--shadow);
}
.guide__founder-name{
  font-family:var(--display);font-weight:600;font-size:22px;
  color:var(--ivory);margin-top:22px;
}
.guide__founder-role{font-size:13.5px;color:var(--gold-soft);letter-spacing:.06em;margin-top:4px}
.guide__empathy{font-size:18px;color:var(--cream-muted);margin-bottom:26px}
.guide__quote{
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:clamp(20px,2.5vw,27px);line-height:1.4;
  color:var(--gold-soft);padding-left:24px;
  border-left:3px solid var(--gold);margin-bottom:30px;
}
.auth-list{display:flex;flex-direction:column;gap:13px}
.auth-list li{
  display:flex;align-items:flex-start;gap:13px;
  font-size:15.5px;color:var(--cream-text);
}
.auth-list__tick{
  flex:none;width:22px;height:22px;border-radius:50%;margin-top:2px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  position:relative;
}
.auth-list__tick::after{
  content:"";position:absolute;left:7px;top:5px;width:5px;height:9px;
  border:solid var(--teal-900);border-width:0 2.3px 2.3px 0;transform:rotate(43deg);
}
.guide__cert{
  display:flex;align-items:center;gap:14px;margin-top:26px;
  padding:12px 15px;border-radius:12px;
  background:rgba(255,253,246,.05);border:1px solid rgba(236,200,128,.22);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.guide__cert:hover{border-color:rgba(236,200,128,.55);background:rgba(255,253,246,.09)}
.guide__cert img{
  width:56px;height:56px;object-fit:cover;object-position:top;
  border-radius:7px;flex:none;background:#fff;
}
.guide__cert span{font-size:13px;color:var(--cream-muted);line-height:1.55}
.guide__cert strong{color:var(--gold-soft);font-weight:600}

/* ===================== PRODUCTS ===================== */
.products{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.product{
  background:var(--ivory);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.product:hover{box-shadow:var(--shadow)}

/* --- Product gallery (Shopee-style) --- */
.pgallery{display:flex;flex-direction:column;gap:9px;padding:14px 14px 0}
.pgallery__stage{position:relative;border-radius:12px;overflow:hidden;background:#ECF1F3}
.pgallery__viewport{overflow:hidden;cursor:grab;touch-action:pan-y}
.pgallery__viewport:active{cursor:grabbing}
.pgallery__track{display:flex;transition:transform .42s var(--ease);touch-action:pan-y}
.pgallery__track img{
  flex:0 0 100%;width:100%;aspect-ratio:1/1;object-fit:cover;display:block;
  user-select:none;-webkit-user-drag:none;
}
.pgallery__nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.9);color:var(--teal-900);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(42,36,27,.22);
  opacity:0;transition:opacity .22s var(--ease),background .2s var(--ease);
}
.pgallery__stage:hover .pgallery__nav{opacity:1}
.pgallery__nav:hover{background:#fff}
.pgallery__nav--prev{left:12px}
.pgallery__nav--next{right:12px}
.pgallery__nav:disabled{opacity:0 !important;pointer-events:none}
.pgallery__count{
  position:absolute;bottom:12px;right:12px;z-index:3;
  background:rgba(10,55,51,.82);color:#fff;
  font-size:12px;font-weight:500;padding:4px 11px;border-radius:999px;
}
.pgallery__count b{font-weight:700}
.pgallery__count span{opacity:.65}
.pgallery__thumbs{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:3px;
  scrollbar-width:thin;scrollbar-color:var(--sand-deep) transparent;
}
.pgallery__thumbs::-webkit-scrollbar{height:4px}
.pgallery__thumbs::-webkit-scrollbar-thumb{background:var(--sand-deep);border-radius:4px}
.pgallery__thumb{
  flex:0 0 auto;width:56px;height:56px;border-radius:8px;overflow:hidden;
  border:2px solid transparent;opacity:.55;padding:0;background:none;cursor:pointer;
  transition:opacity .2s var(--ease),border-color .2s var(--ease);
}
.pgallery__thumb img{width:100%;height:100%;object-fit:cover}
.pgallery__thumb:hover{opacity:1}
.pgallery__thumb.is-active{border-color:var(--gold);opacity:1}
.product__tag{
  position:absolute;top:20px;left:20px;
  background:var(--teal-900);color:var(--cream-text);
  font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;
}
.product__tag--gold{background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:var(--teal-900)}
.product__body{padding:30px 30px 34px;display:flex;flex-direction:column;flex:1}
.product__name{
  font-family:var(--display);font-weight:600;font-size:27px;
  color:var(--teal-900);margin-bottom:12px;
}
.product__desc{font-size:15.5px;color:var(--ink-soft);margin-bottom:22px}
.product__why-label{
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-bottom:13px;
}
.product__why{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.product__why li{
  position:relative;padding-left:24px;font-size:15px;color:var(--ink);
}
.product__why li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;
  background:var(--gold);border-radius:50%;
}
.product__price{
  font-size:14px;color:var(--ink-soft);margin-top:auto;
  padding-top:18px;border-top:1px solid var(--line);
}
.products__note{
  text-align:center;font-size:16px;color:var(--ink-soft);
  max-width:680px;margin:42px auto 0;
}
.products__note strong{color:var(--teal-800);font-weight:600}

/* ===================== PLAN ===================== */
.section--plan{background:var(--cream)}
.plan{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:p}
.plan__step{
  position:relative;padding:42px 30px 36px;
  background:var(--ivory);border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.plan__num{
  font-family:var(--display);font-style:italic;font-weight:500;
  font-size:58px;color:var(--gold);line-height:.8;
  display:block;margin-bottom:18px;
}
.plan__title{
  font-family:var(--display);font-weight:600;font-size:22px;
  color:var(--teal-900);margin-bottom:11px;
}
.plan__step p{font-size:15px;color:var(--ink-soft)}
.plan__step:not(:last-child)::after{
  content:"";position:absolute;top:64px;right:-17px;z-index:2;
  width:18px;height:18px;border-top:2px solid var(--gold);border-right:2px solid var(--gold);
  transform:rotate(45deg);
}

/* ===================== TOOLKIT ===================== */
.toolkit{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.toolkit__item{
  background:rgba(255,253,246,.05);
  border:1px solid rgba(236,200,128,.22);
  border-radius:var(--radius-sm);padding:26px 22px;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.toolkit__item:hover{background:rgba(255,253,246,.09);border-color:rgba(236,200,128,.5)}
.toolkit__no{
  font-family:var(--display);font-style:italic;font-size:20px;
  color:var(--gold-soft);display:block;margin-bottom:12px;
}
.toolkit__item p{font-size:14.5px;color:var(--cream-text);line-height:1.55}

/* ===================== PRICING TIERS ===================== */
.section--pricing{background:var(--cream)}
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.tier{
  position:relative;background:var(--ivory);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
}
.tier--featured{
  background:var(--teal-900);border-color:var(--teal-900);
  box-shadow:var(--shadow);transform:translateY(-12px);
}
.tier__badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:var(--teal-900);font-size:11px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  padding:6px 16px;border-radius:999px;white-space:nowrap;
}
.tier__name{
  font-family:var(--display);font-weight:600;font-size:21px;
  color:var(--teal-900);margin-bottom:8px;
}
.tier__qty{font-size:15px;color:var(--ink-soft);margin-bottom:16px}
.tier__qty strong{font-family:var(--display);font-size:30px;color:var(--terra);font-weight:600}
.tier__for{
  font-size:14px;color:var(--ink-soft);
  padding:16px 0;margin-bottom:16px;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);flex:1;
}
.tier__disc{
  font-size:14px;font-weight:600;letter-spacing:.04em;
  color:var(--gold);text-transform:uppercase;
}
.tier--featured .tier__name{color:var(--ivory)}
.tier--featured .tier__qty{color:var(--cream-muted)}
.tier--featured .tier__qty strong{color:var(--gold-soft)}
.tier--featured .tier__for{color:var(--cream-muted);border-color:rgba(236,200,128,.25)}
.tier--featured .tier__disc{color:var(--gold-soft)}
.tiers__note{
  text-align:center;font-size:15.5px;color:var(--ink-soft);
  margin-top:42px;
}
.tiers__note a{color:var(--gold);font-weight:600;border-bottom:1.5px solid var(--gold)}

/* ===================== STAKES ===================== */
.stakes{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.stakes__col{border-radius:var(--radius);padding:40px 36px}
.stakes__col--win{background:var(--teal-900);color:var(--cream-text)}
.stakes__col--lose{
  background:transparent;color:var(--ink-soft);
  border:1.5px dashed var(--sand-deep);
}
.stakes__head{
  font-family:var(--display);font-weight:600;font-size:23px;margin-bottom:24px;
  display:flex;align-items:center;gap:12px;
}
.stakes__col--win .stakes__head{color:var(--gold-soft)}
.stakes__col--lose .stakes__head{color:var(--terra)}
.stakes__head::before{
  content:"";width:34px;height:34px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
}
.stakes__col--win .stakes__head::before{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
}
.stakes__list{display:flex;flex-direction:column;gap:14px}
.stakes__list li{position:relative;padding-left:28px;font-size:15.5px}
.stakes__list li::before{
  content:"";position:absolute;left:0;top:8px;width:13px;height:13px;border-radius:50%;
}
.stakes__col--win .stakes__list li::before{background:var(--gold)}
.stakes__col--lose .stakes__list li::before{
  background:transparent;border:2px solid var(--sand-deep);width:12px;height:12px;
}

/* ===================== PARTNERS / QUOTES ===================== */
.section--partners{background:var(--cream)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  background:var(--ivory);border-radius:var(--radius);
  padding:34px 30px;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:24px;
}
.quote blockquote{
  font-family:var(--display);font-style:italic;font-size:18.5px;
  line-height:1.5;color:var(--teal-800);flex:1;
}
.quote figcaption{display:flex;align-items:center;gap:14px}
.quote__avatar{width:52px;height:52px;border-radius:50%;flex:none}
.quote__who{display:flex;flex-direction:column;font-size:14px;color:var(--ink-soft)}
.quote__who strong{font-size:15.5px;color:var(--teal-900);font-weight:600}
.quotes__note{
  text-align:center;font-size:13.5px;color:var(--ink-soft);
  font-style:italic;margin-top:30px;
}

/* ===================== ACTIVITY / COMMUNITY ===================== */
.section--activity{background:var(--teal-900);color:var(--cream-text);overflow:hidden}
.activity__sun{
  position:absolute;top:-220px;right:-170px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,165,61,.20) 0%,transparent 66%);
}
.section--activity .wrap{position:relative;z-index:1}
.section--activity .section__title{color:var(--ivory)}
.section--activity .section__title em{color:var(--gold-soft)}
.section--activity .section__intro{color:var(--cream-muted)}
.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.act-card{
  position:relative;margin:0;border-radius:var(--radius-sm);overflow:hidden;
  aspect-ratio:3/2;box-shadow:var(--shadow);
  border:1px solid rgba(236,200,128,.18);
}
.act-card img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .55s var(--ease);
}
.act-card:hover img{transform:scale(1.06)}
.act-card figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:42px 18px 16px;font-size:14px;font-weight:500;color:var(--ivory);
  background:linear-gradient(to top,rgba(10,55,51,.95) 14%,rgba(10,55,51,.5) 62%,transparent);
}
.act-card figcaption span{
  display:block;font-family:var(--display);font-style:italic;font-weight:500;
  font-size:13px;color:var(--gold-soft);margin-bottom:3px;
}
.activity__note{
  text-align:center;font-size:14px;color:var(--cream-muted);
  font-style:italic;margin-top:34px;
}
.activity__note a{color:var(--gold-soft);border-bottom:1px solid rgba(236,200,128,.5)}
.activity__note a:hover{border-color:var(--gold-soft)}

/* ===================== FAQ ===================== */
.faq{display:flex;flex-direction:column;gap:0}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:first-child{border-top:1px solid var(--line)}
.faq__item summary{
  list-style:none;cursor:pointer;
  font-family:var(--display);font-weight:600;font-size:19.5px;
  color:var(--teal-900);padding:26px 50px 26px 0;position:relative;
  transition:color .2s var(--ease);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"";position:absolute;right:8px;top:30px;
  width:13px;height:13px;
  border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);
  transform:rotate(45deg);transition:transform .28s var(--ease);
}
.faq__item[open] summary::after{transform:rotate(225deg);top:34px}
.faq__item summary:hover{color:var(--terra)}
.faq__answer{padding:0 50px 26px 0;overflow:hidden}
.faq__answer p{font-size:16px;color:var(--ink-soft)}
.faq__item[open] .faq__answer{animation:faqOpen .34s var(--ease)}
@keyframes faqOpen{from{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:translateY(0)}}

/* ===================== SIGNUP / FORM ===================== */
.section--signup{overflow:hidden}
.signup__sun{
  position:absolute;bottom:-320px;left:50%;transform:translateX(-50%);
  width:900px;height:900px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,165,61,.22) 0%,transparent 62%);
}
.signup-form{
  position:relative;z-index:1;
  background:var(--ivory);border-radius:var(--radius);
  padding:44px;box-shadow:var(--shadow);
  margin-top:8px;
}
.field{margin-bottom:20px;display:flex;flex-direction:column}
.field--hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.field label{
  font-size:14px;font-weight:600;color:var(--teal-900);margin-bottom:8px;
}
.req{color:var(--terra)}
.field__opt{font-weight:400;color:var(--ink-soft);font-size:13px}
.field__hint{font-size:12.5px;color:var(--ink-soft);margin-top:7px;line-height:1.5}
.field__hint strong{color:var(--teal-700);font-weight:600}
.field input,.field select{
  font-family:var(--body);font-size:16px;color:var(--ink);
  background:var(--cream);
  border:1.5px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 16px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  width:100%;
}
.field input::placeholder{color:#A99C84}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3.5px rgba(224,165,61,.16);
}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M2 4l5 5 5-5' stroke='%23C0832E' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;}
.field.has-error input,.field.has-error select{border-color:var(--terra);background:#FBEFE9}
.field__error{font-size:13px;color:var(--terra);margin-top:6px;min-height:0;display:none}
.field.has-error .field__error{display:block}
.signup-form .btn{margin-top:8px}
.signup-form__rea{
  text-align:center;font-size:13px;color:var(--ink-soft);margin-top:16px;
}

/* ===================== FOOTER ===================== */
.site-footer{background:var(--teal-900);color:var(--cream-muted);padding:64px 0 30px}
.site-footer__inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:42px;border-bottom:1px solid rgba(236,200,128,.16);
}
.brand--footer .brand__name{color:var(--ivory)}
.site-footer__line{font-size:14.5px;margin-top:16px;max-width:280px}
.site-footer__h{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-soft);margin-bottom:15px;
}
.site-footer__col p{font-size:14.5px;margin-bottom:8px}
.site-footer__col a{transition:color .2s var(--ease)}
.site-footer__col a:hover{color:var(--gold-soft)}
.site-footer__legal{
  padding-top:26px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.site-footer__legal p{font-size:12.5px;color:rgba(174,193,185,.7);max-width:640px}

/* ===================== PLACEHOLDERS ===================== */
.ph{
  background:
    repeating-linear-gradient(45deg,rgba(192,131,46,.05) 0 11px,transparent 11px 22px),
    linear-gradient(155deg,#F3E6C6,#E9D6AB);
  border:1.5px dashed rgba(192,131,46,.45);border-radius:var(--radius-sm);
  width:100%;height:100%;
}
.quote__avatar.ph{border-radius:50%;border-style:solid;border-width:1.5px}
.ph-inline{
  color:var(--terra);font-style:italic;font-size:.94em;
  background:rgba(176,98,58,.08);padding:1px 7px;border-radius:5px;
}

/* ===================== STICKY MOBILE CTA ===================== */
.sticky-cta{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:90;
  display:none;text-align:center;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:var(--teal-900);font-weight:700;font-size:16px;
  padding:17px;border-radius:999px;box-shadow:var(--shadow-gold);
  transform:translateY(120px);transition:transform .35s var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0)}

/* ===================== REVEAL ANIMATION ===================== */
.reveal{
  opacity:0;transform:translateY(28px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ===================== RESPONSIVE ===================== */
@media(max-width:1000px){
  .guide__body{grid-template-columns:1fr;gap:40px}
  .toolkit{grid-template-columns:repeat(2,1fr)}
  .tiers{grid-template-columns:repeat(2,1fr)}
  .tier--featured{transform:none}

  /* --- Menu mobile: hamburger + panel xổ xuống --- */
  .nav-toggle{display:flex}
  .site-header__cta{margin-left:auto}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;margin:0;
    background:var(--cream);border-bottom:1px solid var(--line);
    box-shadow:0 22px 34px -22px rgba(42,36,27,.55);
    padding:6px 0 14px;
    max-height:0;overflow:hidden;
    opacity:0;visibility:hidden;
    transition:max-height .34s var(--ease),opacity .26s var(--ease),visibility .34s;
  }
  .site-header.nav-open .site-nav{
    max-height:80vh;overflow-y:auto;opacity:1;visibility:visible;
  }
  .site-nav a{font-size:16px;padding:14px 26px;color:var(--teal-900)}
  .site-nav a::after{display:none}
  .site-nav a + a{border-top:1px solid var(--line)}
  .site-nav a:hover{background:rgba(14,74,67,.05)}
  .site-nav__cta{display:inline-flex;margin:14px 26px 4px;border-top:none}
}
@media(max-width:780px){
  body{font-size:16px}
  .site-header__cta{display:none}
  .nav-toggle{margin-left:auto}
  .site-header__inner{height:66px}
  .section{padding:74px 0}
  .section__head{margin-bottom:40px}
  .hero{padding:46px 0 48px}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .stats{grid-template-columns:1fr 1fr}
  .stats__item{border-bottom:1px solid var(--line)}
  .stats__item:nth-child(2){border-right:none}
  .problem-grid,.products,.plan,.stakes,.quotes{grid-template-columns:1fr}
  .activity-grid{grid-template-columns:1fr 1fr;gap:12px}
  .plan__step:not(:last-child)::after{
    top:auto;bottom:-22px;right:50%;transform:translateX(50%) rotate(135deg);
  }
  .tiers{grid-template-columns:1fr}
  .stakes__col{padding:32px 26px}
  .signup-form{padding:30px 22px}
  .site-footer__inner{grid-template-columns:1fr 1fr;gap:28px}
  .sticky-cta{display:block}
  .section--signup{padding-bottom:104px}
}
@media(max-width:480px){
  .wrap{padding:0 18px}
  .toolkit,.site-footer__inner,.activity-grid{grid-template-columns:1fr}
  .hero__badge{left:auto;right:18px;bottom:18px}
}

/* ===================== REDUCED MOTION ===================== */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ===================================================================
   BLOG — danh sách bài + trang bài viết
   =================================================================== */
.blog-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FCF6E8 0%,var(--cream) 60%,var(--sand) 100%);
  padding:108px 0 72px;
}
.blog-hero__sun{
  position:absolute;top:-280px;right:-150px;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,165,61,.34) 0%,transparent 67%);
}
.blog-hero__inner{position:relative;z-index:1;max-width:720px}
.blog-hero__title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(34px,4.8vw,58px);line-height:1.08;letter-spacing:-.02em;
  color:var(--teal-900);margin:22px 0 18px;
}
.blog-hero__title em{font-style:italic;color:var(--terra)}
.blog-hero__lead{font-size:18px;color:var(--ink-soft);max-width:570px}

.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--ivory);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post-card__band{
  position:relative;padding:24px 26px;min-height:118px;
  display:flex;align-items:flex-start;
  background:linear-gradient(155deg,#F6E7C6,#E9D6AB);
}
.post-card--alt .post-card__band{background:linear-gradient(155deg,#15564F,#0C403B)}
.post-card__cat{
  font-size:11.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--teal-900);background:var(--ivory);
  padding:7px 14px;border-radius:999px;
}
.post-card--alt .post-card__cat{color:var(--teal-900);background:var(--gold-soft)}
.post-card__glyph{
  position:absolute;right:20px;bottom:-6px;
  font-family:var(--display);font-style:italic;font-size:74px;
  color:rgba(192,131,46,.28);line-height:1;user-select:none;
}
.post-card--alt .post-card__glyph{color:rgba(236,200,128,.26)}
.post-card__body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.post-card__title{
  font-family:var(--display);font-weight:600;font-size:22px;line-height:1.26;
  color:var(--teal-900);margin-bottom:11px;
}
.post-card__title a{transition:color .2s var(--ease)}
.post-card__title a:hover{color:var(--terra)}
.post-card__excerpt{font-size:15px;color:var(--ink-soft);margin-bottom:20px;flex:1}
.post-card__meta{
  display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-soft);
  padding-top:15px;border-top:1px solid var(--line);
}
.post-card__more{margin-left:auto;color:var(--gold);font-weight:600}

/* --- Trang bài viết --- */
.article{padding:104px 0 86px;background:var(--cream)}
.article__wrap{max-width:720px;margin:0 auto;padding:0 28px}
.article__back{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:500;color:var(--ink-soft);margin-bottom:26px;
}
.article__back:hover{color:var(--terra)}
.article__cat{
  display:inline-block;font-size:11.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--gold);
}
.article__title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(30px,4.2vw,46px);line-height:1.12;letter-spacing:-.015em;
  color:var(--teal-900);margin:14px 0 18px;
}
.article__meta{
  display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--ink-soft);
  padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:38px;
}
.article__body{font-size:17.5px;line-height:1.78;color:var(--ink)}
.article__body p{margin-bottom:22px}
.article__body h2{
  font-family:var(--display);font-weight:600;font-size:26px;
  color:var(--teal-900);margin:42px 0 15px;
}
.article__body h3{
  font-family:var(--display);font-weight:600;font-size:20px;
  color:var(--teal-800);margin:30px 0 11px;
}
.article__body ul{margin:0 0 22px;display:flex;flex-direction:column;gap:11px}
.article__body li{position:relative;padding-left:26px}
.article__body li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;
  background:var(--gold);border-radius:50%;
}
.article__body strong{color:var(--teal-900);font-weight:600}
.article__body blockquote{
  font-family:var(--display);font-style:italic;font-size:21px;line-height:1.5;
  color:var(--teal-800);border-left:3px solid var(--gold);
  padding-left:24px;margin:30px 0;
}
.article__figure{margin:34px 0}
.article__figure img{
  width:100%;height:auto;display:block;
  border-radius:var(--radius-sm);box-shadow:var(--shadow);
}
.article__figure figcaption{
  font-size:13px;color:var(--ink-soft);font-style:italic;
  text-align:center;margin-top:11px;
}
.blog-cta{
  margin-top:50px;background:var(--teal-900);border-radius:var(--radius);
  padding:38px 40px;text-align:center;
}
.blog-cta__title{
  font-family:var(--display);font-weight:600;font-size:24px;
  color:var(--ivory);margin-bottom:10px;
}
.blog-cta__text{font-size:15.5px;color:var(--cream-muted);margin-bottom:22px}

@media(max-width:1000px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:780px){
  .blog-hero{padding:62px 0 52px}
  .post-grid{grid-template-columns:1fr}
  .article{padding:62px 0 60px}
  .blog-cta{padding:30px 24px}
}

/* ===================================================================
   DƯỠNG SINH CÔNG NGHỆ CAO — components mở rộng
   =================================================================== */

/* ===================== PLAN — modifier 4 cột (cho 4 nút lợi nhuận) ===================== */
.plan--quad{grid-template-columns:repeat(4,1fr);gap:18px}
.plan--quad .plan__step{padding:36px 24px 32px}
.plan--quad .plan__num{font-size:48px;margin-bottom:14px}
.plan--quad .plan__title{font-size:19px;line-height:1.28}
.plan--quad .plan__step p{font-size:14.5px;line-height:1.62}
@media(max-width:1100px){
  .plan--quad{grid-template-columns:repeat(2,1fr);gap:24px}
  .plan--quad .plan__step:nth-child(2)::after{display:none}
}
@media(max-width:680px){
  .plan--quad{grid-template-columns:1fr}
  .plan--quad .plan__step::after{display:none !important}
}

/* ===================== COMBO GRID (7 phần trong combo) ===================== */
.combo-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.combo-item{
  background:var(--ivory);border:1px solid var(--line);
  border-radius:var(--radius);padding:36px 30px;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.combo-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.combo-item__num{
  font-family:var(--display);font-style:italic;font-weight:500;
  font-size:38px;color:var(--gold);line-height:.9;
}
.combo-item__title{
  font-family:var(--display);font-weight:600;font-size:21px;
  color:var(--teal-900);
}
.combo-item p{font-size:15.5px;color:var(--ink-soft)}
.combo-item--accent{
  background:linear-gradient(155deg,var(--teal-900),var(--teal-800));
  border-color:var(--teal-900);
}
.combo-item--accent .combo-item__num{color:var(--gold-soft)}
.combo-item--accent .combo-item__title{color:var(--ivory)}
.combo-item--accent p{color:var(--cream-muted)}
.combo-item--accent strong{color:var(--gold-soft);font-weight:600}

/* ===================== VALUE GRID (so sánh chi phí / doanh thu) ===================== */
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.value-block{
  background:rgba(255,253,246,.05);
  border:1px solid rgba(236,200,128,.22);
  border-radius:var(--radius);padding:36px 32px;
}
.value-block--win{
  background:rgba(224,165,61,.08);
  border-color:rgba(236,200,128,.45);
}
.value-block .eyebrow{margin-bottom:18px}
.value-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.value-list li{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  padding-bottom:13px;border-bottom:1px dashed rgba(236,200,128,.22);
  font-size:15px;color:var(--cream-text);
}
.value-list li span{flex:1}
.value-list li strong{
  font-family:var(--display);font-weight:600;
  white-space:nowrap;font-size:16px;color:var(--gold-soft);
}
.value-list--lose li strong{color:var(--terra);opacity:.85}
.value-list--win li strong{color:var(--gold-soft)}
.value-total{
  font-family:var(--display);font-size:18px;line-height:1.4;
  color:var(--cream-muted);text-align:center;
  padding-top:18px;border-top:2px solid rgba(236,200,128,.3);
}
.value-total strong{
  display:block;font-size:28px;margin-top:6px;
  color:var(--gold-soft);font-weight:600;
}
.value-total--lose strong{color:var(--terra)}
.value-total--win strong{color:var(--gold-soft)}
.toolkit__caption{
  text-align:center;font-size:15.5px;color:var(--cream-muted);
  margin-top:38px;font-style:italic;
}
.toolkit__caption strong{color:var(--gold-soft);font-weight:600;font-style:normal}

/* ===================== STACK (value stack) ===================== */
.stack{
  background:rgba(255,253,246,.05);
  border:1px solid rgba(236,200,128,.22);
  border-radius:var(--radius);padding:38px 36px;
}
.stack__list{display:flex;flex-direction:column;gap:0}
.stack__list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:16px 0;border-bottom:1px dashed rgba(236,200,128,.18);
  font-size:15.5px;color:var(--cream-text);align-items:baseline;
}
.stack__list li:last-child{border-bottom:none}
.stack__name{flex:1;padding-right:14px}
.stack__price{
  font-family:var(--display);font-weight:500;white-space:nowrap;
  color:var(--gold-soft);font-size:16px;
}
.stack__totals{margin-top:24px;padding-top:24px;border-top:2px solid rgba(236,200,128,.4);text-align:center}
.stack__sum{
  font-family:var(--display);font-size:22px;color:var(--cream-text);
  margin-bottom:8px;
}
.stack__sum strong{color:var(--gold-soft);font-weight:600;font-size:30px;letter-spacing:-.01em}
.stack__final{
  font-family:var(--display);font-size:18px;color:var(--gold-soft);
  font-style:italic;
}
.stack__final em{color:var(--ivory);font-style:normal;font-weight:600}

/* ===================== COUNTER (scarcity numbers) ===================== */
.counter{
  display:flex;justify-content:center;gap:42px;flex-wrap:wrap;
  padding:30px 0 4px;
}
.counter__item{text-align:center}
.counter__item b{
  display:block;
  font-family:var(--display);font-weight:600;
  font-size:52px;line-height:1;color:var(--gold-soft);letter-spacing:-.02em;
}
.counter__item span{
  display:block;margin-top:8px;
  font-size:14px;color:var(--cream-muted);letter-spacing:.02em;
}

/* ===================== TABLE OF CONTENTS ===================== */
.toc{
  background:var(--ivory);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 36px;
  box-shadow:var(--shadow-sm);
}
.toc__head{
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-bottom:18px;
}
.toc__list{display:flex;flex-direction:column;gap:8px}
.toc__list li{position:relative;padding-left:0}
.toc__list a{
  font-size:15.5px;color:var(--teal-800);font-weight:500;
  display:inline-block;padding:6px 0;
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc__list a:hover{color:var(--terra);border-color:var(--terra)}

/* ===================== TECHNICAL TABLE (ttable) ===================== */
.ttable{
  margin:24px 0 28px;
  border-radius:var(--radius-sm);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  overflow-x:auto;
}
.ttable table{
  width:100%;border-collapse:collapse;background:var(--ivory);
  font-size:15px;color:var(--ink);
}
.ttable thead{
  background:linear-gradient(135deg,var(--teal-900),var(--teal-800));
  color:var(--cream-text);
}
.ttable th{
  padding:14px 18px;text-align:left;font-weight:600;font-size:14px;
  letter-spacing:.02em;
}
.ttable td{
  padding:14px 18px;border-top:1px solid var(--line);vertical-align:top;
  line-height:1.55;
}
.ttable tbody tr:nth-child(even){background:rgba(192,131,46,.04)}
.ttable tbody tr:hover{background:rgba(192,131,46,.07)}
.ttable__total{background:linear-gradient(90deg,rgba(192,131,46,.10),rgba(192,131,46,.04)) !important}
.ttable__total td{color:var(--teal-900);font-weight:600}

/* ===================== CALLOUT (chú ý / cảnh báo) ===================== */
.callout{
  background:rgba(192,131,46,.06);
  border:1px solid rgba(192,131,46,.32);border-left:4px solid var(--gold);
  border-radius:var(--radius-sm);padding:22px 26px;
  margin:24px 0 28px;
}
.callout__head{
  font-family:var(--display);font-weight:600;font-size:17px;
  color:var(--gold);margin-bottom:10px;
}
.callout p{font-size:15.5px;color:var(--ink);line-height:1.68}
.callout p:not(.callout__head){color:var(--ink-soft)}
.callout--warn{
  background:rgba(176,98,58,.08);
  border-color:rgba(176,98,58,.32);border-left-color:var(--terra);
}
.callout--warn .callout__head{color:var(--terra)}

/* ===================== SPLITBOX (good vs warn) ===================== */
.splitbox{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
  margin:24px 0 28px;
}
.splitbox__col{
  border-radius:var(--radius-sm);padding:22px 24px;
  border:1px solid;
}
.splitbox__col--good{
  background:rgba(21,92,83,.06);
  border-color:rgba(21,92,83,.28);border-left:4px solid var(--teal-700);
}
.splitbox__col--warn{
  background:rgba(176,98,58,.06);
  border-color:rgba(176,98,58,.28);border-left:4px solid var(--terra);
}
.splitbox__head{
  font-family:var(--display);font-weight:600;font-size:16px;
  margin-bottom:10px;
}
.splitbox__col--good .splitbox__head{color:var(--teal-700)}
.splitbox__col--warn .splitbox__head{color:var(--terra)}
.splitbox__col p{font-size:15px;color:var(--ink-soft);line-height:1.68}

/* ===================== STEPS (9 thao tác máy Thần Thủ) ===================== */
.steps{display:flex;flex-direction:column;gap:18px;margin:26px 0 32px}
.step{
  background:var(--ivory);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 30px;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:10px;
  position:relative;
}
.step--accent{
  background:linear-gradient(135deg,#FAF1E0,var(--ivory));
  border-color:rgba(192,131,46,.4);
  box-shadow:var(--shadow);
}
.step--accent::before{
  content:"★ Bước quan trọng";
  position:absolute;top:-10px;right:18px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:var(--teal-900);font-size:11px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;
}
.step__head{display:flex;align-items:center;gap:16px;margin-bottom:6px}
.step__num{
  flex:none;width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:var(--teal-900);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:600;font-size:19px;line-height:1;
  box-shadow:var(--shadow-gold);
}
.step__title{
  font-family:var(--display);font-weight:600;font-size:21px;
  color:var(--teal-900);line-height:1.25;
}
.step__how, .step__why, .step__count, .step__note{
  font-size:15.5px;color:var(--ink-soft);line-height:1.65;
}
.step__how strong, .step__why strong{color:var(--teal-900);font-weight:600}
.step__count{
  display:inline-block;font-size:14px;color:var(--gold);
  background:rgba(192,131,46,.08);padding:6px 14px;border-radius:999px;
  font-weight:500;width:fit-content;
}
.step__count strong{color:var(--gold);font-weight:700}
.step__note{
  background:rgba(176,98,58,.06);border-left:3px solid var(--terra);
  padding:10px 14px;border-radius:6px;font-size:14.5px;
}
.step__list{
  display:flex;flex-direction:column;gap:8px;
  margin:4px 0 4px 8px;
}
.step__list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--ink);
}
.step__list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  background:var(--gold);border-radius:50%;
}

/* ===================== ARTICLE BODY — bổ sung cho chi-tiet-quy-trinh ===================== */
.article__body h4{
  font-family:var(--display);font-weight:600;font-size:18px;
  color:var(--teal-800);margin:24px 0 8px;
}
.article__body p strong{color:var(--teal-900);font-weight:600}
.article__back{cursor:pointer}

/* ===================== RESPONSIVE — components mới ===================== */
@media(max-width:1000px){
  .combo-grid{grid-template-columns:repeat(2,1fr)}
  .value-grid{grid-template-columns:1fr;gap:18px}
  .splitbox{grid-template-columns:1fr;gap:14px}
  .counter{gap:32px}
  .counter__item b{font-size:42px}
}
@media(max-width:780px){
  .combo-grid{grid-template-columns:1fr;gap:18px}
  .combo-item{padding:28px 24px}
  .stack{padding:28px 22px}
  .stack__list li{flex-direction:column;gap:4px;align-items:flex-start;padding:14px 0}
  .stack__price{margin-left:0}
  .value-block{padding:26px 22px}
  .value-list li{flex-wrap:wrap;gap:6px}
  .toc{padding:24px 22px}
  .ttable th, .ttable td{padding:11px 13px;font-size:14px}
  .step{padding:22px 22px}
  .step__title{font-size:18px}
  .step__head{gap:12px}
  .step__num{width:36px;height:36px;font-size:16px}
  .step--accent::before{font-size:10px;padding:4px 9px;top:-8px;right:14px}
  .counter{gap:24px}
  .counter__item b{font-size:36px}
}