/* HealthEnricher — FOUSC landing
   Palette tokens live in :root. Swap these for the real packaging colours
   once brand assets arrive; nothing else needs to change. */

:root{
  --paper:#FFFFFF;
  --ivory:#F7F5F0;
  --ivory-2:#F1EEE7;
  --ink:#16181B;
  --ink-2:#2A2E33;
  --muted:#6B6F76;
  --muted-dark:#A7A9AC;
  --line:#E4DFD5;
  --line-dark:#33373C;
  --gold:#8C6F45;
  --gold-soft:#C3A87C;
  --on-dark:#EDEAE4;
  --focus:#8C6F45;
  --radius:2px;
  --sp:clamp(4rem,9vw,7.5rem);
  --font-th:'Anuphan',-apple-system,'Segoe UI',sans-serif;
  --font-en:'Cormorant Garamond','Anuphan',Georgia,serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--ivory);color:var(--ink);
  font-family:var(--font-th);font-weight:300;font-size:1.0625rem;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-weight:400;margin:0}

.wrap{width:min(100% - 2.5rem,1180px);margin-inline:auto}
.wrap-narrow{width:min(100% - 2.5rem,760px)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:99;background:var(--ink);color:#fff;padding:.75rem 1rem}

:focus-visible{outline:2px solid var(--focus);outline-offset:3px}

/* ---------- demo banner ---------- */
.demo-banner{
  position:fixed;inset:0 0 auto 0;z-index:60;
  background:var(--ink);color:var(--gold-soft);
  font-size:.8125rem;line-height:1.6;text-align:center;padding:.5rem 1rem;
}
body.has-banner{padding-top:2.6rem}
body.has-banner .site-head{top:2.6rem}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,240,.88);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.head-in{display:flex;align-items:center;gap:1.5rem;min-height:4.25rem}
.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1.2;margin-right:auto}
.brand-mark{font-family:var(--font-en);font-size:1.0625rem;letter-spacing:.18em;font-weight:500}
.brand-mark em{font-style:normal;color:var(--gold)}
.brand-sub{font-family:var(--font-en);font-size:.625rem;letter-spacing:.3em;color:var(--muted)}
.head-nav{display:none;gap:1.75rem;font-size:.9375rem}
.head-nav a{text-decoration:none;color:var(--muted)}
.head-nav a:hover{color:var(--ink)}
@media(min-width:900px){.head-nav{display:flex}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;text-align:center;
  min-height:48px;padding:.85rem 1.6rem;border:1px solid transparent;border-radius:var(--radius);
  font-family:var(--font-th);font-size:1rem;font-weight:500;line-height:1.5;
  text-decoration:none;cursor:pointer;transition:background .2s,color .2s,border-color .2s;
}
.btn-sm{min-height:44px;padding:.6rem 1.15rem;font-size:.9375rem}
.btn-lg{min-height:56px;padding:1rem 2rem;font-size:1.0625rem;width:100%}
@media(min-width:640px){.btn-lg{width:auto}}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2)}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:#755B37}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-line{background:#06C755;color:#fff}
.btn-line:hover{background:#05a648}
.sec-ink .btn-ghost{color:var(--on-dark);border-color:var(--on-dark)}
.sec-ink .btn-ghost:hover{background:var(--on-dark);color:var(--ink)}
.btn[disabled],.btn.is-busy{opacity:.6;pointer-events:none}

/* ---------- shared section ---------- */
.sec{padding:var(--sp) 0}
.sec-alt{background:var(--ivory-2)}
.sec-ink{background:var(--ink);color:var(--on-dark)}
.sec-ink .sec-lede,.sec-ink .eyebrow{color:var(--muted-dark)}
.eyebrow{
  font-family:var(--font-en);font-size:.6875rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--gold);margin:0 0 1.25rem;
}
.sec-h{
  font-size:clamp(1.75rem,4.2vw,2.75rem);line-height:1.6;letter-spacing:0;
  max-width:22ch;margin:0 0 1.25rem;
}
.sec-lede{color:var(--muted);max-width:56ch;margin:0 0 3rem;font-size:1.0625rem}
.disclaimer{color:var(--muted);font-size:.875rem;margin-top:2rem}

/* ---------- hero ---------- */
.hero{padding:clamp(3rem,7vw,6rem) 0 var(--sp);background:
  radial-gradient(120% 80% at 80% 0%,#FBFAF7 0%,var(--ivory) 60%)}
.hero-in{display:grid;gap:3rem}
@media(min-width:960px){
  .hero-in{grid-template-columns:1.05fr .95fr;align-items:center;gap:4.5rem}
}
.hero h1{
  font-size:clamp(2.1rem,5.6vw,3.6rem);line-height:1.45;margin:0 0 1.5rem;font-weight:400;
}
.hero h1 em{font-style:normal;color:var(--gold)}
.lede{color:var(--muted);font-size:1.125rem;max-width:46ch;margin:0 0 2.25rem}
.lede strong{color:var(--ink);font-weight:500}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:3rem}
.hero-cta .btn{flex:1 1 auto;min-width:14rem}

.chain{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;
  margin:0;padding:1.5rem 0 0;border-top:1px solid var(--line)}
.chain li{display:flex;flex-direction:column}
.chain-en{font-family:var(--font-en);font-size:.6875rem;letter-spacing:.2em;color:var(--gold)}
.chain-th{font-size:.875rem;color:var(--muted);line-height:1.6}
.chain-arrow{color:var(--line);font-size:1rem}

.hero-art img{width:100%;object-fit:cover;border-radius:var(--radius)}
.art-slot{
  aspect-ratio:4/5;border:1px solid var(--line);background:
    linear-gradient(160deg,#FBFAF7,#EFEBE2);
  display:flex;align-items:center;justify-content:center;border-radius:var(--radius);
}
.art-slot-mark{font-family:var(--font-en);font-size:clamp(2rem,6vw,3.5rem);
  letter-spacing:.24em;color:var(--gold-soft)}

/* ---------- pains ---------- */
.pain-grid{display:grid;gap:2.5rem}
@media(min-width:820px){.pain-grid{grid-template-columns:repeat(3,1fr);gap:3rem}}
.pain-col h3{font-size:1.0625rem;font-weight:500;margin:0 0 1rem;color:var(--gold-soft);line-height:1.7}

/* Thai-safe list: never make a text-bearing <li> a grid/flex container */
.ticks{list-style:none;margin:0;padding:0}
.ticks li{position:relative;padding-left:1.5rem;margin-bottom:.9rem;line-height:1.85}
.ticks li::before{
  content:"";position:absolute;left:0;top:.85em;width:.5rem;height:1px;background:var(--gold);
}
.sec-ink .ticks li::before{background:var(--gold-soft)}

/* ---------- positioning ---------- */
.pos-grid{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:var(--line)}
@media(min-width:700px){.pos-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.pos-grid{grid-template-columns:repeat(3,1fr)}}
.pos-grid li{background:var(--ivory);padding:2.25rem 1.75rem}
.pos-en{font-family:var(--font-en);font-size:.6875rem;letter-spacing:.24em;color:var(--gold);
  text-transform:uppercase;display:block;margin-bottom:.75rem}
.pos-grid h3{font-size:1.25rem;line-height:1.7;margin:0 0 .5rem}
.pos-grid p{margin:0;color:var(--muted);font-size:.9375rem}
.pos-mark{background:var(--ink) !important;display:flex;align-items:center;justify-content:center}
.pos-mark span{font-family:var(--font-en);font-size:1.5rem;line-height:1.5;letter-spacing:.16em;
  color:var(--gold-soft);text-align:center}
@media(max-width:699px){.pos-mark{display:none}}

/* ---------- persona ---------- */
.persona-in{display:grid;gap:2.5rem}
@media(min-width:900px){.persona-in{grid-template-columns:1fr 1fr;gap:4rem;align-items:start}}
.persona-in .sec-lede{margin-bottom:0}
.persona-list li{font-size:1.0625rem}
.not-fit{color:var(--muted)}
.not-fit::before{background:var(--muted) !important}

/* ---------- detail / proof ---------- */
.detail-grid{display:grid;gap:2.5rem}
@media(min-width:820px){.detail-grid{grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:3rem}}
.detail-block h3{font-size:1.0625rem;font-weight:500;margin:0 0 1rem;line-height:1.7}
.guarantee{margin-top:2.5rem;padding:1.5rem;border:1px solid var(--line);color:var(--muted)}

/* ---------- reviews ---------- */
.review-grid{display:grid;gap:1px;background:var(--line)}
@media(min-width:820px){.review-grid{grid-template-columns:repeat(2,1fr)}}
.review{background:var(--ivory-2);margin:0;padding:2.25rem 1.75rem}
.review img{width:4rem;height:4rem;border-radius:50%;object-fit:cover;margin-bottom:1.25rem}
.review blockquote{margin:0 0 1.25rem;font-size:1.0625rem;line-height:1.9}
.review figcaption strong{display:block;font-weight:500}
.review figcaption span{color:var(--muted);font-size:.875rem}

/* ---------- pillars ---------- */
.pillars{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-dark)}
.pillars li{
  position:relative;border-bottom:1px solid var(--line-dark);padding:1.5rem 0 1.5rem 0;
}
@media(min-width:760px){
  .pillars li{display:grid;grid-template-columns:9rem 1fr 14rem;align-items:baseline;gap:1.5rem}
  /* safe: each cell below is a single short span, no flowing Thai paragraph is split */
}
.pil-key{font-family:var(--font-en);letter-spacing:.2em;font-size:.875rem;color:var(--gold-soft);display:block}
.pil-need{display:block;color:var(--on-dark);line-height:1.8}
.pil-prod{display:block;color:var(--muted-dark);font-size:.9375rem}
.pil-prod em{font-style:normal;font-size:.8125rem;opacity:.75}
.pillars li.is-now{background:rgba(140,111,69,.10)}
.pillars li.is-now .pil-prod{color:var(--gold-soft)}
@media(min-width:760px){.pillars li.is-now{padding-inline:1rem;margin-inline:-1rem}}

/* ---------- story ---------- */
.story-p{color:var(--muted);margin:0 0 1.5rem;font-size:1.0625rem}
.story-p strong{color:var(--ink);font-weight:500}
.story-quote{
  font-family:var(--font-en);font-size:clamp(1.4rem,3.2vw,2rem);line-height:1.6;
  color:var(--ink);border-left:2px solid var(--gold);padding-left:1.5rem;margin:2.5rem 0 0;
}

/* ---------- packages ---------- */
.pack-grid{display:grid;gap:1rem}
@media(min-width:760px){.pack-grid{grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}}
.pack{display:block;cursor:pointer}
.pack input{position:absolute;opacity:0;width:0;height:0}
.pack-body{display:block;border:1px solid var(--line);background:var(--paper);padding:1.75rem;position:relative}
.pack input:checked + .pack-body{border-color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold)}
.pack input:focus-visible + .pack-body{outline:2px solid var(--focus);outline-offset:3px}
.pack-tag{position:absolute;top:-1px;right:-1px;background:var(--gold);color:#fff;
  font-size:.75rem;padding:.25rem .75rem}
.pack-name{display:block;font-weight:500;margin-bottom:.5rem;line-height:1.7}
.pack-price{display:block;font-family:var(--font-en);font-size:2rem;line-height:1.3}
.pack-was{display:block;color:var(--muted);text-decoration:line-through;font-size:.875rem}
.pack-inc{display:block;margin-top:1rem;color:var(--muted);font-size:.9375rem}
.pack-inc span{display:block;line-height:1.8}
.pack-total{display:flex;justify-content:space-between;align-items:baseline;
  border-top:1px solid var(--line);margin:2rem 0;padding-top:1rem}
.pack-total strong{font-family:var(--font-en);font-size:1.75rem;font-weight:400}
.near-cta{color:var(--muted);font-size:.9375rem;margin-top:1rem}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:1.4rem 2.5rem 1.4rem 0;position:relative;
  font-weight:500;line-height:1.8;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:.25rem;top:1.25rem;color:var(--gold);font-size:1.25rem}
.faq-item[open] summary::after{content:"–"}
.faq-a{padding:0 0 1.5rem;color:var(--muted)}

/* ---------- contact / form ---------- */
.contact-btns{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2.5rem}
.lead-form{display:grid;gap:1.25rem;max-width:32rem}
.field label{display:block;font-size:.9375rem;margin-bottom:.4rem;line-height:1.7}
.field .opt{color:var(--muted-dark);font-size:.8125rem}
.field input,.field textarea{
  width:100%;min-height:48px;padding:.75rem 1rem;background:#1E2126;
  border:1px solid var(--line-dark);border-radius:var(--radius);
  color:var(--on-dark);font-family:var(--font-th);font-size:1rem;line-height:1.7;
}
.field textarea{min-height:6rem;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--gold-soft);outline:none}
.field.has-err input,.field.has-err textarea{border-color:#E07A5F}
.err{color:#F0A08C;font-size:.875rem;margin:.4rem 0 0}
.form-note{color:var(--muted-dark);font-size:.8125rem;margin:0}
.form-status{margin:0;padding:1rem;border:1px solid var(--line-dark);line-height:1.8}
.form-status.ok{border-color:#4E8C6A;color:#9FD7B8}
.form-status.bad{border-color:#8C4E4E;color:#F0A08C}

/* ---------- footer ---------- */
.site-foot{background:var(--ink-2);color:var(--muted-dark);padding:3.5rem 0 5.5rem;font-size:.9375rem}
.foot-in{display:grid;gap:2rem}
@media(min-width:760px){.foot-in{grid-template-columns:1fr 1fr}}
.site-foot .brand-mark{color:var(--on-dark);margin:0 0 .5rem}
.foot-promise{font-family:var(--font-en);letter-spacing:.18em;font-size:.75rem;color:var(--gold-soft);margin:0}
.foot-meta p{margin:0 0 .5rem}
.foot-links a{margin-right:1rem;text-decoration:underline}
.foot-fine{margin-top:1.5rem;font-size:.8125rem;opacity:.75}

/* ---------- sticky mobile CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:55;padding:.75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  background:rgba(247,245,240,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);
}
.sticky-cta .btn{width:100%}
@media(min-width:900px){.sticky-cta{display:none}}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1;transform:none;transition:none}
}