:root{
  --paper:#f7ecc9;
  --white:#fffbf0;
  --ink:#201a3d;
  --ink-soft:#5b5678;
  --line: rgba(32,26,61,0.15);

  --brand:#e8703a;
  --brand-deep:#b85526;
  --brand-tint:#fbe0ce;

  --forest:#3c3268;
  --forest-deep:#241c46;
  --forest-tint:#e6e1f2;

  --gold:#e7b45a;
  --dark:#17122c;
  --dark-soft:#241d42;

  --radius:6px;
  --radius-lg:10px;
}
.photo-slot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit;z-index:2;}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Lexend', sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Alegreya', serif;
  font-weight:700;
  line-height:1.2;
  margin:0 0 0.5em;
  color:var(--ink);
}
p{margin:0 0 1em;}
a{color:inherit;}
img,svg{display:block;max-width:100%;}
.container{max-width:1140px;margin:0 auto;padding:0 24px;}
button{font-family:inherit;cursor:pointer;}

header.site-header{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line);}
.nav-row{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:1140px;margin:0 auto;gap:20px;flex-wrap:wrap;}
.logo{display:flex;align-items:center;gap:9px;font-family:'Alegreya';font-weight:700;font-size:1.4rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em;}
.logo .accent{color:var(--brand);}
.logo-mark{width:30px;height:30px;flex:none;display:block;}
nav.main-nav{display:flex;gap:2px;flex-wrap:wrap;}
nav.main-nav a{
  display:inline-block;background:none;border:none;padding:9px 14px;border-radius:var(--radius);
  font-weight:600;font-size:0.9rem;color:var(--ink-soft);text-decoration:none;
  border-bottom:2px solid transparent;
}
nav.main-nav a:hover{color:var(--ink);}
nav.main-nav a.active{color:var(--brand-deep);border-bottom-color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:14px;}
.lang-toggle{display:flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:0.76rem;font-weight:700;}
.lang-toggle button{background:var(--white);border:none;padding:6px 10px;color:var(--ink-soft);}
.lang-toggle button.active{background:var(--ink);color:var(--white);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius);border:2px solid transparent;font-weight:700;font-size:0.94rem;text-decoration:none;font-family:'Lexend';}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,0.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,0.12);}
.btn-light{background:#fff;color:var(--ink);}
.btn-sm{padding:9px 16px;font-size:0.86rem;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

section{padding:76px 0;}
.section-head{max-width:64ch;margin-bottom:34px;}
.eyebrow{display:block;font-family:'Alegreya SC';font-weight:700;font-size:0.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brand-deep);margin-bottom:10px;}
.lead{color:var(--ink-soft);font-size:1.06rem;max-width:60ch;}

.hero{background:var(--dark);color:var(--white);padding:64px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:center;padding-bottom:64px;}
.tagline{font-family:'Alegreya';font-style:italic;font-weight:600;color:#e6c888;font-size:1.06rem;margin-bottom:12px;}
.hero h1{color:#fff;font-size:2.5rem;max-width:13ch;}
.hero p.lead{color:#c4bcdb;}
.hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin:20px 0 6px;font-size:0.85rem;color:#a79bc4;font-weight:600;}
.hero-cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}

.cover{aspect-ratio:3/4;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,0.18);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px;text-align:center;position:relative;}
.cover.base{background:var(--forest-deep);}
.cover .icon{width:64px;height:64px;color:#e7b45a;}
.cover .ctitle{font-family:'Alegreya';font-weight:700;font-size:1.3rem;color:#fff;}
.cover .csub{font-size:0.74rem;letter-spacing:.08em;text-transform:uppercase;color:#a79bc4;font-weight:700;}

.trust-strip{background:var(--paper);border-bottom:1px solid var(--line);padding:16px 0;}
.trust-row{display:flex;gap:28px;flex-wrap:wrap;justify-content:center;font-size:0.84rem;font-weight:600;color:var(--ink-soft);}
.trust-row span{display:flex;align-items:center;gap:7px;}
.trust-row .dot{width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none;}

.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.shop-grid.cols-2{grid-template-columns:repeat(2,1fr);}
.product-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;}
.product-cover{aspect-ratio:4/3;position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;}
.product-cover.base{background:var(--forest-deep);}
.product-cover.physics{background:#34406b;}
.product-cover.chemistry{background:#6b3f22;}
.product-cover .icon{width:46px;height:46px;color:rgba(255,255,255,0.85);}
.product-cover .pctitle{font-family:'Alegreya';font-weight:700;color:#fff;font-size:1.05rem;}
.product-tag{position:absolute;top:12px;left:12px;font-size:0.7rem;font-weight:700;padding:4px 9px;border-radius:4px;letter-spacing:.03em;}
.product-tag.unavailable{background:var(--ink);color:#fff;}
.product-tag.soon{background:var(--gold);color:var(--ink);}
.product-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.product-body h3{font-size:1.15rem;margin:0;}
.product-body p{font-size:0.88rem;color:var(--ink-soft);margin:0;flex:1;}
.product-body a.title-link{text-decoration:none;color:inherit;}
.product-body a.title-link:hover{color:var(--brand-deep);}
.product-price-row{display:flex;align-items:baseline;justify-content:space-between;margin-top:4px;}
.product-price{font-family:'Alegreya';font-weight:700;font-size:1.2rem;}
.product-price small{font-family:'Lexend';font-weight:600;font-size:0.72rem;color:var(--ink-soft);}

.value-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:46px 0;border-top:1px solid var(--line);}
.value-row:last-child{border-bottom:1px solid var(--line);}
.value-row.reverse .value-visual{order:2;}
.value-visual{aspect-ratio:16/11;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.value-visual.tint-brand{background:var(--brand-tint);}
.value-visual.tint-forest{background:var(--forest-tint);}
.flip-cards{position:relative;width:150px;height:180px;}
.flip-card{position:absolute;width:118px;height:164px;border-radius:8px;border:2px solid var(--ink);background:var(--white);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-family:'Alegreya';font-weight:700;}
.flip-card.back{transform:rotate(-8deg) translate(0,4px);left:6px;top:6px;background:var(--forest-deep);color:#fff;border-color:var(--forest-deep);}
.flip-card.front{transform:rotate(6deg);left:26px;top:0;}
.flip-card .glyph{font-size:1.7rem;}
.flip-card .small{font-size:0.6rem;font-weight:600;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;}
.flip-card.back .small{color:#d8cfea;}
.module-icon{width:110px;height:110px;color:var(--forest-deep);}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px;counter-reset:step;}
.step{position:relative;padding:22px 18px 16px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-13px;left:18px;width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.82rem;font-family:'Alegreya';}
.step h4{font-size:1rem;}
.step p{font-size:0.86rem;color:var(--ink-soft);margin:0;}

.spec-strip{display:flex;gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--white);margin-top:8px;}
.spec-item{flex:1;padding:18px 20px;text-align:center;border-right:1px solid var(--line);}
.spec-item:last-child{border-right:none;}
.spec-item .v{font-family:'Alegreya';font-weight:700;font-size:1.25rem;}
.spec-item .l{font-size:0.72rem;color:var(--ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-top:2px;}

.region-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.region-chip{display:flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;font-size:0.82rem;font-weight:700;border:1px solid var(--line);background:var(--white);}
.bestiary-line{font-size:0.92rem;color:var(--ink-soft);margin-top:14px;}
.bestiary-line b{color:var(--ink);}

.faq-item{border-bottom:1px solid var(--line);padding:16px 0;}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:700;cursor:pointer;font-size:1rem;}
.faq-q .plus{font-size:1.25rem;color:var(--brand);transition:transform .2s;flex:none;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-soft);font-size:0.92rem;}
.faq-item.open .faq-a{max-height:260px;padding-top:8px;}

.final-cta{background:var(--forest-deep);color:#fff;border-radius:var(--radius-lg);padding:52px;text-align:center;}
.final-cta h2{color:#fff;}
.final-cta p{color:#dad2ec;max-width:50ch;margin:0 auto 20px;}

.subhero{padding:52px 0 8px;}

.waitlist-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;}
form.waitlist-form{display:grid;gap:14px;margin-top:6px;}
form.waitlist-form label{font-size:0.84rem;font-weight:700;display:block;margin-bottom:5px;}
form.waitlist-form input{width:100%;padding:11px 14px;border-radius:var(--radius);border:1px solid var(--line);font-family:inherit;font-size:0.95rem;background:var(--paper);}
.checkbox-row{display:flex;align-items:flex-start;gap:9px;font-size:0.85rem;color:var(--ink-soft);}
.checkbox-row input{width:auto;margin-top:3px;}
.form-success{display:none;background:var(--forest-tint);border-radius:var(--radius);padding:13px 15px;font-weight:700;color:var(--forest-deep);margin-top:12px;font-size:0.9rem;}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;}

.status-banner{display:flex;align-items:center;gap:10px;font-size:0.86rem;font-weight:700;color:var(--ink-soft);background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:10px 16px;margin-top:18px;}
.status-banner .dot{width:7px;height:7px;border-radius:50%;background:var(--ink);flex:none;}

/* ---------- store product page ---------- */
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:0.8rem;font-weight:600;color:var(--ink-soft);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-soft);text-decoration:none;}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);}

.product-layout{display:grid;grid-template-columns:1.02fr 0.98fr;gap:52px;align-items:start;}

.gallery-main{aspect-ratio:1/1;border-radius:var(--radius-lg);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:24px;position:relative;transition:background-color .2s;overflow:hidden;}
.gallery-main .g-empty{font-size:0.9rem;color:var(--ink-soft);font-weight:600;}
.gallery-main .g-index{position:absolute;top:12px;right:14px;font-size:0.72rem;font-weight:700;color:#fff;letter-spacing:.04em;background:rgba(23,18,44,0.55);padding:3px 9px;border-radius:999px;z-index:3;}
.gallery-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px;}
.thumb{position:relative;aspect-ratio:1/1;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;background:var(--forest-tint);transition:border-color .15s,opacity .15s;opacity:.72;overflow:hidden;}
.thumb:hover{opacity:1;}
.thumb.active{opacity:1;border-color:var(--brand);}

.buy-box{display:flex;flex-direction:column;gap:4px;}
.buy-price-row{display:flex;align-items:baseline;gap:10px;margin:2px 0 4px;}
.buy-price{font-family:'Alegreya';font-weight:700;font-size:2rem;}
.buy-price-note{font-size:0.82rem;color:var(--ink-soft);font-weight:600;}
.buy-trust-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:9px;}
.buy-trust-list li{display:flex;align-items:flex-start;gap:9px;font-size:0.88rem;color:var(--ink-soft);}
.buy-trust-list li svg{width:16px;height:16px;color:var(--forest-deep);flex:none;margin-top:3px;}

.kit-list{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:11px 20px;}
.kit-list li{display:flex;align-items:flex-start;gap:10px;font-size:0.9rem;color:var(--ink-soft);}
.kit-list li b{color:var(--ink);}
.kit-list li svg{width:17px;height:17px;color:var(--brand-deep);flex:none;margin-top:2px;}

.spec-table{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.spec-table tr{border-top:1px solid var(--line);}
.spec-table tr:first-child{border-top:none;}
.spec-table th,.spec-table td{text-align:left;padding:13px 18px;font-size:0.88rem;font-weight:400;}
.spec-table th{color:var(--ink-soft);font-weight:600;width:44%;}
.spec-table td{color:var(--ink);font-weight:600;}

footer{background:var(--dark);color:#a79bc4;padding:44px 0 26px;margin-top:0;}
.footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;}
footer h4{color:#fff;font-size:0.9rem;font-family:'Alegreya';}
footer a{color:#a79bc4;text-decoration:none;font-size:0.88rem;}
footer .foot-links{display:flex;flex-direction:column;gap:8px;margin-top:10px;}
.foot-bottom{border-top:1px solid rgba(255,255,255,0.1);margin-top:28px;padding-top:18px;font-size:0.78rem;color:#7a6f99;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.foot-bottom a{font-size:0.78rem;color:#7a6f99;}
.foot-bottom a:hover{color:#a79bc4;}

@media (max-width:900px){
  .hero-grid,.value-row,.value-row.reverse,.two-col,.product-layout{grid-template-columns:1fr;}
  .value-row.reverse .value-visual{order:0;}
  .shop-grid,.shop-grid.cols-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .spec-strip{flex-wrap:wrap;}
  .spec-item{flex:1 1 45%;border-bottom:1px solid var(--line);}
  .hero h1{font-size:2rem;}
  section{padding:52px 0;}
  .final-cta{padding:30px;}
  .flip-cards{margin:0 auto;}
  nav.main-nav{order:3;width:100%;justify-content:center;}
  .gallery-thumbs{grid-template-columns:repeat(5,1fr);}
  .kit-list{grid-template-columns:1fr;}
  .spec-table th{width:52%;}
}