/* Living Inside — brand stylesheet
   Palette: cream-beige, white, lavender purple, light green (from brand-reference.md)
*/

:root{
  --cream: #faf5ec;
  --cream-deep: #f1e8d8;
  --white: #ffffff;
  --ink: #3a352c;
  --ink-soft: #6b6255;
  --lavender: #9c8fc4;
  --lavender-deep: #7b6ba8;
  --lavender-pale: #eae5f5;
  --green: #7fae7a;
  --green-deep: #5e8f59;
  --green-pale: #e7f1e5;
  --line-green: #06c755;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(58,53,44,0.08);
  --maxw: 1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Sarabun','Noto Sans Thai',sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.7;
  font-size:16px;
}
h1,h2,h3,h4{
  font-family:'Prompt','Noto Sans Thai',sans-serif;
  font-weight:600;
  line-height:1.35;
  margin:0 0 .5em;
}
h1{font-size:clamp(2rem,4.5vw,3rem);}
h2{font-size:clamp(1.5rem,3vw,2.1rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;color:var(--ink-soft);}
a{color:var(--lavender-deep);text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-block;
  font-size:.8rem;
  letter-spacing:.08em;
  font-weight:600;
  color:var(--green-deep);
  background:var(--green-pale);
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:16px;
}

/* ---------- Header ---------- */
header.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,245,236,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(58,53,44,0.08);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:10px;font-family:'Prompt',sans-serif;font-weight:600;font-size:1.15rem;color:var(--ink);}
.brand .mark{
  width:36px;height:36px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #a9d4a3, var(--green-deep));
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,0.4);
}
.brand .mark svg{width:20px;height:20px;}
.brand .mark img{width:100%;height:100%;border-radius:50%;object-fit:cover;}
nav.main-nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;}
nav.main-nav a{color:var(--ink);font-weight:500;font-size:.96rem;}
nav.main-nav a:hover{color:var(--lavender-deep);}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;}

@media (max-width:820px){
  nav.main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--cream);
    padding:12px 24px 20px;border-bottom:1px solid rgba(58,53,44,0.08);
    box-shadow:0 12px 24px rgba(58,53,44,0.10);max-height:calc(100vh - 70px);overflow-y:auto;
  }
  nav.main-nav.open{display:block;}
  nav.main-nav ul{flex-direction:column;gap:4px;}
  nav.main-nav a{display:block;padding:14px 6px;border-bottom:1px solid rgba(58,53,44,0.08);}
  .nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.hero{
  padding:72px 0 56px;
  background:
    radial-gradient(circle at 85% 10%, rgba(156,143,196,0.18), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(127,174,122,0.18), transparent 45%);
}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero h1{color:var(--ink);}
.hero .lede{font-size:1.1rem;max-width:46ch;}
.hero-visual{
  aspect-ratio:4/3;border-radius:26px;
  background:linear-gradient(135deg,var(--lavender-pale),var(--green-pale));
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.hero-visual .glyph{width:96px;height:96px;opacity:.55;}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block;}
@media (max-width:820px){ .hero .container{grid-template-columns:1fr;} }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:.96rem;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--ink);color:var(--white);}
.btn-primary:hover{box-shadow:0 8px 20px rgba(58,53,44,0.25);color:var(--white);}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-line{background:var(--line-green);color:var(--white);}
.btn-line:hover{color:var(--white);box-shadow:0 8px 20px rgba(6,199,85,0.3);}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ---------- Sections ---------- */
section{padding:64px 0;}
section.alt{background:var(--white);}
.section-head{max-width:640px;margin:0 auto 40px;text-align:center;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:900px){ .grid-2{grid-template-columns:1fr;} .grid-4{grid-template-columns:1fr 1fr;} }
@media (max-width:520px){ .grid-4{grid-template-columns:1fr;} }

.card{
  background:var(--white);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);
}
.card .icon{
  width:48px;height:48px;border-radius:14px;background:var(--green-pale);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card .icon svg{width:24px;height:24px;color:var(--green-deep);}

/* Placeholder media block — used until real product/scene photography is added */
.media-slot{
  border-radius:var(--radius);
  background:linear-gradient(135deg,var(--cream-deep),var(--lavender-pale));
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;color:var(--ink-soft);text-align:center;padding:24px;
  aspect-ratio:1/1;
}
.media-slot.wide{aspect-ratio:16/10;}
.media-slot svg{width:40px;height:40px;opacity:.6;}
.media-slot span{font-size:.85rem;font-weight:500;}
.media-slot{overflow:hidden;padding:0;}
.media-slot img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block;}

.product-card{display:flex;flex-direction:column;gap:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 4px;}
.tag{font-size:.78rem;background:var(--lavender-pale);color:var(--lavender-deep);padding:4px 12px;border-radius:999px;font-weight:600;}

table.spec{width:100%;border-collapse:collapse;margin:12px 0 4px;font-size:.92rem;}
table.spec td{padding:8px 4px;border-bottom:1px solid rgba(58,53,44,0.08);color:var(--ink-soft);}
table.spec td:first-child{color:var(--ink);font-weight:600;width:38%;}

.callout{
  background:var(--green-pale);border-radius:var(--radius);padding:24px 28px;
  border-left:4px solid var(--green-deep);
}
.callout.warn{background:var(--lavender-pale);border-left-color:var(--lavender-deep);}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
@media (max-width:820px){ .split{grid-template-columns:1fr;} }

.stat-row{display:flex;gap:40px;flex-wrap:wrap;margin-top:24px;}
.stat b{font-family:'Prompt',sans-serif;font-size:1.9rem;display:block;color:var(--ink);}
.stat span{font-size:.85rem;color:var(--ink-soft);}

/* ---------- Buy channel cards ---------- */
.channel-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);
}
.channel-card .name{font-family:'Prompt',sans-serif;font-weight:600;font-size:1.05rem;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--ink);color:#e7e2d6;padding:56px 0 28px;}
footer.site-footer a{color:#e7e2d6;}
footer.site-footer .grid-2{grid-template-columns:1.3fr 1fr;gap:40px;}
footer .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-family:'Prompt',sans-serif;font-weight:600;font-size:1.1rem;color:#fff;}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:.92rem;}
.foot-bottom{
  margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,0.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.82rem;color:#b9b3a4;
}

/* ---------- Floating LINE button ---------- */
.line-float{
  position:fixed;right:20px;bottom:20px;z-index:80;
  display:flex;align-items:center;gap:10px;
  background:var(--line-green);color:#fff;
  padding:13px 20px;border-radius:999px;
  box-shadow:0 10px 24px rgba(6,199,85,0.35);
  font-weight:600;font-size:.92rem;
}
.line-float:hover{color:#fff;}
.line-float svg{width:20px;height:20px;}
@media (max-width:520px){
  .line-float span.label{display:none;}
  .line-float{padding:14px;}
}

/* ======================================================
   v2 additions — bilingual system, product pages, FAQ
   ====================================================== */

/* ---- Language switching: html[data-lang] decides which copy shows ---- */
html[data-lang="th"] .en{display:none !important;}
html[data-lang="en"] .th{display:none !important;}
html[data-lang="en"] body{font-family:'Sarabun','Inter',system-ui,sans-serif;}
.nav-right{display:flex;align-items:center;gap:12px;}
.lang-switch{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--white);border:1px solid rgba(58,53,44,0.14);border-radius:999px;
  padding:6px 12px;cursor:pointer;font-family:'Prompt',sans-serif;font-weight:600;font-size:.82rem;
  color:var(--ink-soft);letter-spacing:.04em;
}
.lang-switch .sep{opacity:.35;}
html[data-lang="th"] .lang-switch .opt-th,
html[data-lang="en"] .lang-switch .opt-en{color:var(--green-deep);}
html[data-lang="th"] .lang-switch .opt-en,
html[data-lang="en"] .lang-switch .opt-th{opacity:.5;}
nav.main-nav a.active{color:var(--green-deep);}

/* ---- Product hero (1:1 photo) ---- */
.product-hero .container{grid-template-columns:.9fr 1.1fr;}
.product-hero .hero-visual{aspect-ratio:1/1;background:var(--white);}
.product-hero .hero-visual img{object-fit:cover;padding:0;}
.product-hero .price-note{font-size:.9rem;color:var(--ink-soft);margin-top:12px;}
@media (max-width:820px){ .product-hero .container{grid-template-columns:1fr;} .product-hero .hero-visual{max-width:420px;margin:0 auto;} }

/* ---- Why / How / What ---- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.why-step{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);position:relative;}
.why-step .why-label{
  display:inline-block;font-family:'Prompt',sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.14em;
  color:var(--lavender-deep);background:var(--lavender-pale);padding:4px 10px;border-radius:999px;margin-bottom:14px;
}
.why-step h3{font-size:1.1rem;}
.why-step p{margin:0;font-size:.95rem;}
@media (max-width:900px){ .why-grid{grid-template-columns:1fr;} }
.story-lead{font-size:1.15rem;color:var(--ink);max-width:60ch;margin:0 auto 32px;text-align:center;line-height:1.8;}

/* ---- FAQ ---- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:820px;margin:0 auto;}
.faq-item{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:0 24px;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;font-family:'Prompt',sans-serif;font-weight:600;font-size:1.02rem;
  display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .chev{width:10px;height:10px;border-right:2px solid var(--green-deep);border-bottom:2px solid var(--green-deep);transform:rotate(45deg);transition:transform .2s;flex:none;}
.faq-item[open] .chev{transform:rotate(-135deg);}
.faq-body{padding:0 0 18px;border-top:1px solid rgba(58,53,44,0.08);padding-top:14px;}
.faq-body p{margin:0;}

/* ---- Product cards (line pages) ---- */
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
@media (max-width:820px){ .prod-grid{grid-template-columns:1fr;} }
.prod-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;}
.prod-card .ph{aspect-ratio:1/1;background:#fff;}
.prod-card .ph img{width:100%;height:100%;object-fit:cover;}
.prod-card .body{padding:24px 28px 28px;display:flex;flex-direction:column;gap:8px;flex:1;}
.prod-card .body p{margin:0 0 8px;font-size:.95rem;}
.prod-card .body .btn-row{margin-top:auto;padding-top:8px;}

/* ---- Compare table ---- */
table.compare{width:100%;border-collapse:separate;border-spacing:0;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);font-size:.93rem;}
table.compare th,table.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(58,53,44,0.08);vertical-align:top;}
table.compare th{background:var(--green-pale);font-family:'Prompt',sans-serif;font-weight:600;color:var(--ink);}
table.compare td:first-child{font-weight:600;color:var(--ink);width:26%;}
table.compare tr:last-child td{border-bottom:none;}
@media (max-width:640px){ table.compare{font-size:.85rem;} table.compare th,table.compare td{padding:10px;} }

/* ---- Product photo strip (1:1 thumbnails) ---- */
.photo-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.photo-strip .media-slot{aspect-ratio:1/1;}
@media (max-width:640px){ .photo-strip{grid-template-columns:1fr;} }

/* ---- Home: 4-product row ---- */
.home-products{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:900px){ .home-products{grid-template-columns:1fr 1fr;} }
@media (max-width:520px){ .home-products{grid-template-columns:1fr;} }
.mini-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;color:var(--ink);display:flex;flex-direction:column;}
.mini-card .ph{aspect-ratio:1/1;background:#fff;}
.mini-card .ph img{width:100%;height:100%;object-fit:cover;}
.mini-card .body{padding:16px 18px 20px;}
.mini-card .body b{font-family:'Prompt',sans-serif;display:block;margin-bottom:4px;}
.mini-card .body span{font-size:.85rem;color:var(--ink-soft);}
.mini-card:hover{transform:translateY(-2px);transition:transform .15s;}

footer.site-footer .grid-3{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px;}
@media (max-width:820px){ footer.site-footer .grid-3{grid-template-columns:1fr;gap:28px;} }

.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:14px;}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--lavender-deep);}
.muted{font-size:.88rem;color:var(--ink-soft);}

/* ---- Product-picker quiz ---- */
.quiz-wrap{max-width:640px;}
.quiz-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px 32px;}
.quiz-progress{text-align:center;font-size:.82rem;font-weight:600;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:20px;text-transform:uppercase;}
.quiz-step{display:none;}
.quiz-step.active{display:block;}
.quiz-step h3{text-align:center;margin-bottom:18px;}
.quiz-options{display:flex;flex-direction:column;gap:12px;}
.quiz-option{
  display:block;width:100%;text-align:left;font:inherit;color:var(--ink);
  padding:16px 20px;border-radius:14px;border:1.5px solid rgba(58,53,44,0.14);
  background:var(--cream);cursor:pointer;
  transition:border-color .15s ease, background .15s ease, transform .15s ease;
}
.quiz-option:hover{border-color:var(--lavender-deep);background:var(--lavender-pale);transform:translateY(-1px);}
.quiz-back{
  display:block;margin:18px auto 0;background:none;border:none;color:var(--ink-soft);
  font-size:.88rem;font-family:inherit;cursor:pointer;text-decoration:underline;padding:0;
}
.quiz-result{display:none;}
.quiz-result-panel{display:none;}
.quiz-result-panel .media-slot{aspect-ratio:1/1;max-width:320px;margin:0 auto 24px;background:#fff;}
@media (max-width:640px){ .quiz-card{padding:28px 20px;} }

/* ---- Dosage calculator ---- */
.calc-toggle-row{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap;}
.calc-toggle{
  flex:1;min-width:160px;padding:12px 16px;border-radius:12px;border:1.5px solid rgba(58,53,44,0.14);
  background:var(--cream);color:var(--ink);font:inherit;font-weight:600;font-size:.92rem;cursor:pointer;
  transition:border-color .15s ease, background .15s ease, color .15s ease;
}
.calc-toggle.active{background:var(--ink);border-color:var(--ink);color:var(--white);}
.calc-label{display:block;font-weight:600;font-size:.9rem;margin:18px 0 8px;}
.calc-input{
  width:100%;padding:13px 16px;border-radius:12px;border:1.5px solid rgba(58,53,44,0.14);
  background:var(--cream);color:var(--ink);font:inherit;font-size:.96rem;
}
.calc-input:focus{outline:none;border-color:var(--lavender-deep);}
select.calc-input{appearance:auto;}
.calc-helper{margin:16px 0 4px;font-size:.9rem;color:var(--ink-soft);}
.calc-helper summary{cursor:pointer;font-weight:600;color:var(--lavender-deep);}
.calc-dims{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;margin:14px 0 10px;align-items:center;}
.calc-dims .calc-input{padding:11px 12px;}
@media (max-width:640px){ .calc-dims{grid-template-columns:1fr 1fr;} .calc-dims button{grid-column:span 2;} }
.calc-result{display:none;margin-top:24px;}
.calc-line{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(58,53,44,0.08);font-size:.94rem;}
.calc-line span{color:var(--ink-soft);}
.calc-line b{font-family:'Prompt',sans-serif;color:var(--ink);}