/* ============================================================
   bianca.  —  pastel wellness brand
   Calm yellow · minimalist art-deco
   ============================================================ */

:root{
  --yellow:        #F3CE82;   /* brand yellow (banner, buttons) — softened */
  --yellow-deep:   #E4B461;   /* deeper accent / hover */
  --page:          #F8F2E4;   /* soft warm base (calm) */
  --page-2:        #F1E7CE;   /* gentle muted-yellow alt section */
  --card:          #FFFFFF;
  --cream:         #FFFDF7;
  --purple:        #9A86A6;   /* muted mauve accent */
  --purple-deep:   #786089;   /* accent text */
  --purple-soft:   #ECE4EE;
  --ink:           #463D4E;   /* plum body text */
  --ink-soft:      #837A88;
  --deco:          #BF9C5C;   /* antique-gold deco line (on light) */
  --gold-light:    #E7CF96;   /* deco line (on dark) */
  --line:          rgba(120,96,137,.16);
  --line-gold:     rgba(191,156,92,.34);
  /* per-product accents */
  --accent-tt:     #E39A4C;   /* turmeric — warm orange */
  --accent-oil:    #8A6FA0;   /* oil — mauve */
  --accent-matcha: #8CA268;   /* matcha — sage green */
  --shadow:        0 24px 60px -30px rgba(120,96,137,.42);
  --shadow-sm:     0 14px 34px -22px rgba(120,96,137,.34);
  --radius:        24px;
  --radius-lg:     40px;
  --maxw:          1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--page);color:var(--ink);font-family:'Poppins',system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.7;font-weight:300;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:500;color:var(--ink);line-height:1.1;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{color:var(--purple-deep);text-decoration:none;transition:color .25s}
a:hover{color:var(--ink)}
section{padding:96px 24px;position:relative}
.wrap{max-width:var(--maxw);margin:0 auto}
.center{text-align:center}
.dot{color:currentColor}

.eyebrow{font-family:'Poppins',sans-serif;text-transform:uppercase;letter-spacing:.36em;font-size:.7rem;font-weight:500;color:var(--purple-deep)}
.lead{font-size:1.14rem;color:var(--ink-soft);font-weight:300}

/* ---------- buttons --------------------------------------- */
.btn{display:inline-block;font-family:'Poppins',sans-serif;font-weight:500;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;padding:15px 32px;border-radius:2px;transition:transform .25s,box-shadow .25s,background .25s,color .25s;cursor:pointer;border:none}
.btn-primary{background:var(--ink);color:var(--cream)}
.btn-primary:hover{background:var(--purple-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-yellow{background:var(--yellow);color:var(--ink)}
.btn-yellow:hover{background:var(--yellow-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;border:1.5px solid var(--deco);color:var(--ink)}
.btn-ghost:hover{background:var(--deco);color:#fff;transform:translateY(-2px)}

/* ============================================================
   ART-DECO ORNAMENTS  (minimal, monoline)
   ============================================================ */
.deco-symbols{position:absolute;width:0;height:0;overflow:hidden}
/* diamond-line divider */
.deco{display:flex;justify-content:center;margin:20px 0;color:var(--deco)}
.deco.tight{margin:13px 0}
.deco .ddiv{width:210px;height:16px;display:block}
.deco.on-dark{color:var(--gold-light)}
.deco.start{justify-content:flex-start}
/* stepped corner brackets (wrap a framed element) */
.brackets{position:relative}
.brackets .bk{position:absolute;width:22px;height:22px;border:1.5px solid var(--deco);pointer-events:none;z-index:2}
.bk.tl{top:12px;left:12px;border-right:0;border-bottom:0}
.bk.tr{top:12px;right:12px;border-left:0;border-bottom:0}
.bk.bl{bottom:12px;left:12px;border-right:0;border-top:0}
.bk.br{bottom:12px;right:12px;border-left:0;border-top:0}
/* thin deco frame line */
.deco-frame{position:relative}
.deco-frame::before{content:"";position:absolute;inset:16px;border:1px solid var(--line-gold);pointer-events:none}

/* deco arches (packaging windows) */
.arch{position:relative;border-radius:200px 200px 20px 20px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/4.6;background:var(--purple-soft)}
.arch img{width:100%;height:100%;object-fit:cover}
.arch.solid{display:flex;align-items:center;justify-content:center;background:linear-gradient(165deg,var(--page-2),var(--purple-soft))}
.arch.solid .brandmark{font-family:'Fraunces',serif;font-size:3.2rem;color:var(--ink)}
.arch-wrap{position:relative;padding:16px}
.arch-wrap::before{content:"";position:absolute;inset:0;border:1px solid var(--line-gold);border-radius:214px 214px 30px 30px;pointer-events:none}

/* ============================================================
   NAV — soft yellow banner, white wordmark
   ============================================================ */
nav{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:16px 30px;background:var(--yellow);border-bottom:1px solid rgba(191,156,92,.28);transition:box-shadow .3s}
nav.scrolled{box-shadow:0 12px 30px -24px rgba(120,96,137,.6)}
.brand{font-family:'Fraunces',serif;font-weight:600;font-size:1.7rem;color:#fff;letter-spacing:-.02em;text-shadow:0 2px 9px rgba(120,96,137,.28)}
.brand .dot{color:#fff}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a:not(.btn){font-size:.82rem;font-weight:400;color:var(--ink);letter-spacing:.08em;text-transform:uppercase;position:relative}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;background:var(--ink);transition:width .28s}
.nav-links a:not(.btn):hover::after{width:100%}
.nav-links .btn{padding:10px 22px}
.nav-links .btn-primary{background:var(--ink);color:var(--yellow)}
.nav-links .btn-primary:hover{background:var(--purple-deep);color:#fff}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--ink);cursor:pointer}

/* ============================================================
   HERO
   ============================================================ */
.hero{background:linear-gradient(168deg,var(--page-2) 0%,var(--page) 62%);padding:100px 24px 92px;overflow:hidden}
.hero-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(3rem,7vw,5.4rem);font-weight:500}
.hero h1 em{font-style:italic;color:var(--purple-deep)}
.hero .eyebrow{display:block;margin-bottom:2px}
.hero .deco{justify-content:flex-start;margin:14px 0 22px}
.hero p.lead{margin:22px 0 34px;max-width:33em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:.78rem;color:var(--ink-soft);letter-spacing:.02em;margin-top:24px}
.hero-visual{position:relative;justify-self:center;width:min(430px,84vw)}
.frame{position:relative;background:var(--cream);border-radius:16px;padding:26px;box-shadow:var(--shadow);aspect-ratio:1/1.03;display:flex;align-items:center;justify-content:center}
.frame img{max-width:90%;max-height:94%;object-fit:contain}
.hero-badge{position:absolute;background:#fff;border-radius:4px;padding:13px 17px;box-shadow:var(--shadow-sm);font-size:.7rem;line-height:1.35;text-align:center;z-index:3;border:1px solid var(--line-gold)}
.hero-badge strong{display:block;font-family:'Fraunces',serif;font-size:1.35rem;color:var(--purple-deep)}
.hero-badge.b1{top:8%;left:-7%}
.hero-badge.b2{bottom:9%;right:-7%}

/* carousel ribbon */
.ribbon{background:var(--purple);color:#fff;overflow:hidden;white-space:nowrap;padding:12px 0}
.ribbon .track{display:inline-block;animation:marq 34s linear infinite}
.ribbon span{font-family:'Fraunces',serif;font-style:italic;font-size:1.02rem;padding:0 24px;opacity:.96}
.ribbon span::after{content:"◇";margin-left:24px;font-size:.6rem;vertical-align:middle;opacity:.65}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- section heads --------------------------------- */
.sec-head{max-width:640px;margin:0 auto;text-align:center;position:relative;z-index:1}
.sec-head h2{font-size:clamp(2.1rem,4.4vw,3.1rem);margin:4px 0 14px}
.sec-head p{color:var(--ink-soft)}

/* ---------- pillars --------------------------------------- */
.pillars{background:var(--card)}
.pillars-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:50px;position:relative;z-index:1}
.pillar{background:var(--page);border:1px solid var(--line-gold);border-radius:6px;padding:34px 24px;text-align:center}
.pillar .ic{width:52px;height:52px;margin:0 auto 16px;border:1px solid var(--line-gold);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--purple-deep)}
.pillar h4{font-size:1.12rem;margin-bottom:8px}
.pillar p{font-size:.89rem;color:var(--ink-soft)}

/* ---------- split (story) --------------------------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;max-width:var(--maxw);margin:0 auto;position:relative;z-index:1}
.split.alt{direction:rtl}.split.alt>*{direction:ltr}
.split h2{font-size:clamp(2rem,4vw,2.8rem);margin:14px 0 20px}
.split p+p{margin-top:16px}
.split .eyebrow{display:block}
.split .deco{justify-content:flex-start;margin:12px 0 16px}

/* ---------- home collection (3-up products) --------------- */
.collection{background:var(--page-2)}
.col-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px;position:relative;z-index:1}
.col-card{background:var(--card);border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;border-top:3px solid var(--accent,var(--purple))}
.col-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.col-stage{background:var(--cream);height:280px;display:flex;align-items:center;justify-content:center;padding:22px}
.col-stage img{max-width:82%;max-height:100%;object-fit:contain}
.col-body{padding:26px 26px 30px;text-align:center;display:flex;flex-direction:column;flex:1}
.col-body .eyebrow{font-size:.6rem;color:var(--accent,var(--purple-deep))}
.col-body h3{font-size:1.45rem;margin:8px 0 8px}
.col-body p{font-size:.88rem;color:var(--ink-soft);flex:1}
.col-foot{margin-top:18px;display:flex;align-items:center;justify-content:center;gap:14px}
.col-price{font-family:'Fraunces',serif;font-size:1.35rem;color:var(--ink)}

/* ---------- science teaser (home) ------------------------- */
.sci-teaser{background:var(--page);text-align:center}
.chip-row{display:flex;flex-wrap:wrap;gap:11px;justify-content:center;margin:30px 0 8px}
.chip{background:var(--card);border:1px solid var(--line-gold);border-radius:2px;padding:9px 18px;font-size:.8rem;color:var(--purple-deep);font-weight:400}

/* ---------- newsletter ------------------------------------ */
.news{background:var(--ink);color:var(--cream);text-align:center}
.news .wrap{position:relative;z-index:1}
.news h2{color:#fff;font-size:clamp(2rem,4vw,2.9rem)}
.news p{color:rgba(255,253,247,.72);max-width:34em;margin:14px auto 30px}
.news form{display:flex;gap:12px;max-width:440px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.news input{flex:1;min-width:220px;padding:15px 22px;border-radius:2px;border:1px solid rgba(231,207,150,.3);font-family:inherit;font-size:.95rem;background:rgba(255,255,255,.06);color:#fff}
.news input::placeholder{color:rgba(255,253,247,.5)}
.news small{display:block;margin-top:16px;color:rgba(255,253,247,.42);font-size:.74rem}

/* ---------- footer ---------------------------------------- */
footer{background:var(--page-2);padding:64px 24px 30px;border-top:1px solid var(--line-gold)}
.foot-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand .brand{font-size:2rem;color:var(--ink);text-shadow:none}
.foot-brand .brand .dot{color:var(--purple-deep)}
.foot-brand p{color:var(--ink-soft);font-size:.89rem;margin-top:14px;max-width:26em}
footer h5{font-family:'Poppins',sans-serif;text-transform:uppercase;letter-spacing:.2em;font-size:.7rem;color:var(--purple-deep);margin-bottom:16px;font-weight:600}
footer ul{list-style:none;display:grid;gap:10px}
footer ul a{color:var(--ink);font-size:.89rem}
.foot-bottom{max-width:var(--maxw);margin:44px auto 0;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.77rem;color:var(--ink-soft)}

/* ============================================================
   PAGE HEADER (shop / science)
   ============================================================ */
.page-head{text-align:center;padding:96px 24px 64px;background:linear-gradient(168deg,var(--page-2),var(--page) 70%);overflow:hidden}
.page-head .wrap{position:relative;z-index:1}
.page-head h1{font-size:clamp(2.6rem,6vw,4.2rem);margin-top:4px}
.page-head p{max-width:36em;margin:16px auto 0;color:var(--ink-soft)}

/* ============================================================
   SHOP — collapsed cards, details on hover
   ============================================================ */
.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:var(--maxw);margin:0 auto;position:relative;z-index:1}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;cursor:pointer;border-top:3px solid var(--accent,var(--purple))}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-img{height:330px;background:var(--cream);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:20px}
.card-img img{max-width:84%;max-height:100%;object-fit:contain}
.card-tag{position:absolute;top:16px;left:16px;background:var(--accent,var(--purple));color:#fff;font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;padding:6px 13px;border-radius:2px}
.card-body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.card-body .eyebrow{font-size:.62rem;color:var(--accent,var(--purple-deep))}
.card-body h3{font-size:1.55rem;margin:8px 0 4px}
.card-hint{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);display:flex;align-items:center;gap:6px;margin:2px 0 2px;transition:opacity .3s}
.card:hover .card-hint,.card.open .card-hint{opacity:0;height:0;margin:0}
.card-detail{max-height:0;opacity:0;overflow:hidden;transition:max-height .5s ease,opacity .4s ease,margin .4s ease}
.card:hover .card-detail,.card:focus-within .card-detail,.card.open .card-detail{max-height:360px;opacity:1;margin-top:8px}
.card-detail p{font-size:.9rem;color:var(--ink-soft)}
.card-detail ul{list-style:none;margin:14px 0 4px;display:grid;gap:8px}
.card-detail li{display:flex;gap:9px;font-size:.85rem;align-items:flex-start}
.card-detail li svg{flex:none;margin-top:3px;color:var(--accent,var(--purple-deep))}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:20px}
.card-price{font-family:'Fraunces',serif;font-size:1.55rem;color:var(--ink)}
.card-price small{font-size:.68rem;color:var(--ink-soft);font-family:'Poppins',sans-serif;display:block;letter-spacing:.04em}
.card .btn{padding:12px 22px;font-size:.72rem}

/* bundle */
.bundle{max-width:var(--maxw);margin:34px auto 0;background:var(--page-2);border:1px solid var(--line-gold);border-radius:10px;padding:42px;display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;position:relative;z-index:1}
.bundle h3{font-size:1.9rem;margin-bottom:10px}
.bundle p{color:var(--ink);opacity:.85;font-size:.93rem}
.bundle .b-cta{text-align:right}
.bundle .b-price{font-family:'Fraunces',serif;font-size:2.1rem;display:block;margin-bottom:8px}
.bundle .b-old{text-decoration:line-through;opacity:.5;font-size:1rem;margin-left:8px}

.shop-assurance{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:var(--maxw);margin:58px auto 0;text-align:center;position:relative;z-index:1}
.shop-assurance div{padding:8px}
.shop-assurance .ic{width:46px;height:46px;border-radius:50%;background:var(--card);border:1px solid var(--line-gold);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;color:var(--purple-deep)}
.shop-assurance p{font-size:.8rem;color:var(--ink-soft)}
.shop-assurance strong{display:block;color:var(--ink);font-size:.88rem;margin-bottom:2px;font-weight:500}

/* ============================================================
   SCIENCE
   ============================================================ */
.sci-intro{background:var(--page)}
.compound-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:50px;max-width:var(--maxw);margin-left:auto;margin-right:auto;position:relative;z-index:1}
.c-card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:32px 28px;box-shadow:var(--shadow-sm);border-top:3px solid var(--line-gold)}
.c-card h3{font-size:1.3rem;margin-bottom:4px}
.c-card .origin{display:block;text-transform:uppercase;letter-spacing:.24em;font-size:.62rem;color:var(--purple-deep);margin-bottom:18px;font-weight:500}
.benefit{display:flex;gap:12px;margin-bottom:15px}
.benefit .d{flex:none;width:8px;height:8px;background:var(--deco);margin-top:8px;transform:rotate(45deg)}
.benefit strong{display:block;font-size:.8rem;letter-spacing:.02em;color:var(--ink);margin-bottom:2px;font-weight:500}
.benefit p{font-size:.86rem;color:var(--ink-soft);line-height:1.55}
.c-card .found{margin-top:16px;padding-top:15px;border-top:1px solid var(--line);text-transform:uppercase;letter-spacing:.2em;font-size:.6rem;color:var(--purple-deep);text-align:center}
.absorb{max-width:var(--maxw);margin:0 auto;background:var(--page-2);border:1px solid var(--line-gold);border-radius:12px;padding:50px;display:grid;grid-template-columns:auto 1fr;gap:44px;align-items:center;position:relative;z-index:1}
.absorb .big{font-family:'Fraunces',serif;font-size:clamp(4rem,10vw,6.6rem);color:var(--purple-deep);line-height:1}
.absorb h3{font-size:1.8rem;margin-bottom:12px}
.absorb p{color:var(--ink);font-size:.96rem}
.disclaimer{max-width:46em;margin:50px auto 0;text-align:center;font-size:.85rem;color:var(--ink-soft);font-style:italic;position:relative;z-index:1}
.ref-list{max-width:760px;margin:30px auto 0;display:grid;gap:12px;position:relative;z-index:1}
.ref-list li{font-size:.79rem;color:var(--ink-soft);list-style:none;padding-left:20px;position:relative;line-height:1.5}
.ref-list li::before{content:"◇";position:absolute;left:0;color:var(--deco);font-size:.7rem;top:2px}

/* ---------- reveal ---------------------------------------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.vis{opacity:1;transform:none}

/* ---------- responsive ------------------------------------ */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero .deco{justify-content:center}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-visual{margin-top:18px}
  .pillars-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split.alt{direction:ltr}
  .split .deco{justify-content:center}
  .col-grid,.shop-grid{grid-template-columns:1fr;max-width:440px;margin-left:auto;margin-right:auto}
  .bundle{grid-template-columns:1fr;text-align:center}
  .bundle .b-cta{text-align:center}
  .shop-assurance{grid-template-columns:repeat(2,1fr)}
  .absorb{grid-template-columns:1fr;text-align:center;padding:40px 28px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  section{padding:66px 20px}
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);background:var(--page);flex-direction:column;align-items:flex-start;justify-content:center;padding:40px;gap:22px;transform:translateX(100%);transition:transform .35s;box-shadow:var(--shadow);z-index:70}
  .nav-links.open{transform:translateX(0)}
  .nav-toggle{display:block;z-index:80}
  .hero-badge{display:none}
  .foot-grid{grid-template-columns:1fr}
  .card-body,.col-body{padding:22px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .ribbon .track{animation:none}
}