/* ============================================================
   PEPTICOSMA — peptide cosmetics OEM/ODM
   Design system · clinical-luxury
   Display: Cormorant Garamond · Body: Hanken Grotesk · Mono: Spline Sans Mono
   ============================================================ */

:root{
  --ground:#F2F3F0; --surface:#FFFFFF; --surface-2:#F7F8F5; --surface-3:#ECEEE8;
  --ink:#191C1A; --ink-2:#3B403D; --muted:#6C726E; --faint:#9AA09C;
  --line:#E2E5E0; --line-2:#EDEFEA;
  --teal:#0E7C84; --teal-deep:#0A5A61; --teal-tint:#E2EFEF;
  --bronze:#977C4B; --bronze-2:#8A6F41; --bronze-tint:#F1EADC;
  --white:#fff;
  --shadow:0 1px 2px rgba(25,28,26,.04), 0 8px 30px -18px rgba(25,28,26,.20);
  --shadow-lg:0 2px 4px rgba(25,28,26,.05), 0 30px 60px -30px rgba(25,28,26,.30);
  --maxw:1200px; --measure:66ch; --radius:4px; --radius-lg:10px;
  --serif:"Cormorant Garamond","Hoefler Text",Georgia,"Times New Roman",serif;
  --sans:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"Spline Sans Mono",ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.4,0,.2,1);
}
@media (prefers-color-scheme:dark){
  :root{
    --ground:#111413; --surface:#181C1A; --surface-2:#141817; --surface-3:#1F2421;
    --ink:#ECEEEA; --ink-2:#C4C8C3; --muted:#8E948F; --faint:#666B67;
    --line:#272C29; --line-2:#1E231F;
    --teal:#45B7BE; --teal-deep:#2E969E; --teal-tint:#0E2A2B;
    --bronze:#C4A36E; --bronze-2:#D8BC8E; --bronze-tint:#241E12;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 12px 40px -22px rgba(0,0,0,.7);
    --shadow-lg:0 2px 6px rgba(0,0,0,.4), 0 40px 80px -40px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"]{
  --ground:#111413; --surface:#181C1A; --surface-2:#141817; --surface-3:#1F2421;
  --ink:#ECEEEA; --ink-2:#C4C8C3; --muted:#8E948F; --faint:#666B67;
  --line:#272C29; --line-2:#1E231F;
  --teal:#45B7BE; --teal-deep:#2E969E; --teal-tint:#0E2A2B;
  --bronze:#C4A36E; --bronze-2:#D8BC8E; --bronze-tint:#241E12;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 12px 40px -22px rgba(0,0,0,.7);
  --shadow-lg:0 2px 6px rgba(0,0,0,.4), 0 40px 80px -40px rgba(0,0,0,.8);
}
:root[data-theme="light"]{
  --ground:#F2F3F0; --surface:#FFFFFF; --surface-2:#F7F8F5; --surface-3:#ECEEE8;
  --ink:#191C1A; --ink-2:#3B403D; --muted:#6C726E; --faint:#9AA09C;
  --line:#E2E5E0; --line-2:#EDEFEA;
  --teal:#0E7C84; --teal-deep:#0A5A61; --teal-tint:#E2EFEF;
  --bronze:#977C4B; --bronze-2:#8A6F41; --bronze-tint:#F1EADC;
  --shadow:0 1px 2px rgba(25,28,26,.04), 0 8px 30px -18px rgba(25,28,26,.20);
  --shadow-lg:0 2px 4px rgba(25,28,26,.05), 0 30px 60px -30px rgba(25,28,26,.30);
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--ground); color:var(--ink);
  font-family:var(--sans); font-size:17px; line-height:1.62;
  font-weight:400; letter-spacing:-.003em;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img,svg{display:block; max-width:100%}
a{color:inherit; text-decoration:none}
::selection{background:var(--teal); color:#fff}
:focus-visible{outline:2px solid var(--teal); outline-offset:3px; border-radius:2px}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw); margin-inline:auto; padding-inline:32px}
@media (max-width:720px){.wrap{padding-inline:20px}}
.section{padding-block:clamp(64px,9vw,132px)}
.section--tight{padding-block:clamp(48px,6vw,88px)}
.divider{height:1px; background:var(--line); border:0}

/* ---------- typographic primitives ---------- */
.eyebrow{
  font-family:var(--mono); font-size:12px; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase; color:var(--teal);
  display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{content:""; width:22px; height:1px; background:var(--bronze); opacity:.8}
.eyebrow.no-rule::before{display:none}

h1,h2,h3{ text-wrap:balance; }
.display{
  font-family:var(--serif); font-weight:500; letter-spacing:-.01em; line-height:1.02;
  font-size:clamp(44px,7.2vw,88px); color:var(--ink);
}
.display .it{font-style:italic; font-weight:400; color:var(--ink-2)}
.h2{
  font-family:var(--serif); font-weight:500; letter-spacing:-.01em; line-height:1.06;
  font-size:clamp(32px,4.6vw,54px);
}
.h3{
  font-family:var(--sans); font-weight:650; letter-spacing:-.015em; line-height:1.2;
  font-size:clamp(19px,2vw,23px);
}
.lead{font-size:clamp(18px,1.7vw,21px); line-height:1.55; color:var(--ink-2); max-width:60ch}
.muted{color:var(--muted)}
.measure{max-width:var(--measure)}
p{max-width:var(--measure)}
strong,b{font-weight:650; color:var(--ink)}
.serif-note{font-family:var(--serif); font-style:italic; font-size:1.15em; color:var(--ink-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--sans); font-size:15px; font-weight:600; letter-spacing:-.01em;
  padding:14px 26px; border-radius:999px; cursor:pointer; border:1px solid transparent;
  transition:transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px; height:16px; transition:transform .3s var(--ease)}
.btn--primary{background:var(--ink); color:var(--ground)}
.btn--primary:hover{background:var(--teal); color:#fff}
.btn--primary:hover svg{transform:translateX(3px)}
.btn--teal{background:var(--teal); color:#fff}
.btn--teal:hover{background:var(--teal-deep)}
.btn--ghost{background:transparent; color:var(--ink); border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink); background:var(--surface)}
.btn--sm{padding:9px 16px; font-size:13.5px}
.linkarrow{display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:15px; color:var(--teal); border-bottom:1px solid transparent; transition:gap .25s var(--ease)}
.linkarrow svg{width:15px;height:15px; transition:transform .25s var(--ease)}
.linkarrow:hover{gap:12px}
.linkarrow:hover svg{transform:translateX(2px)}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:60;
  background:color-mix(in srgb, var(--ground) 86%, transparent);
  backdrop-filter:saturate(1.4) blur(14px); -webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid transparent; transition:border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line)}
.nav{display:flex; align-items:center; gap:28px; height:72px}
.brand{display:inline-flex; align-items:center; gap:11px; font-family:var(--serif); font-size:25px; font-weight:600; letter-spacing:.005em; color:var(--ink)}
.brand .mark{width:26px; height:26px; flex:none}
.brand b{font-weight:600}
.brand .tld{color:var(--teal)}
.nav__links{display:flex; align-items:center; gap:26px; margin-left:14px}
.nav__links a{font-size:14.5px; font-weight:500; color:var(--ink-2); transition:color .2s var(--ease)}
.nav__links a:hover{color:var(--ink)}
.nav__spacer{flex:1}
.nav__right{display:flex; align-items:center; gap:14px}
.langsw{position:relative}
.langsw__btn{display:inline-flex; align-items:center; gap:7px; font-family:var(--mono); font-size:12px; font-weight:500; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-2); padding:8px 12px; border:1px solid var(--line); border-radius:999px; background:transparent; cursor:pointer; transition:border-color .2s}
.langsw__btn:hover{border-color:var(--ink-2)}
.langsw__btn svg{width:12px;height:12px}
.langsw__menu{position:absolute; right:0; top:calc(100% + 8px); min-width:168px; background:var(--surface); border:1px solid var(--line); border-radius:10px; box-shadow:var(--shadow-lg); padding:6px; opacity:0; visibility:hidden; transform:translateY(-4px); transition:.2s var(--ease)}
.langsw[data-open="true"] .langsw__menu{opacity:1; visibility:visible; transform:none}
.langsw__menu a{display:flex; justify-content:space-between; gap:16px; padding:9px 12px; border-radius:6px; font-size:14px; color:var(--ink-2)}
.langsw__menu a:hover{background:var(--surface-2); color:var(--ink)}
.langsw__menu a[aria-current="true"]{color:var(--teal); font-weight:600}
.langsw__menu a span{font-family:var(--mono); font-size:11px; color:var(--faint); letter-spacing:.06em}
.navtoggle{display:none; width:42px; height:42px; border:1px solid var(--line); border-radius:999px; background:transparent; cursor:pointer; align-items:center; justify-content:center}
.navtoggle svg{width:18px;height:18px}

@media (max-width:940px){
  .nav__links{display:none; position:absolute; top:72px; left:0; right:0; flex-direction:column; align-items:flex-start; gap:2px; background:var(--surface); border-bottom:1px solid var(--line); padding:16px 20px 22px; margin:0}
  .nav__links.open{display:flex}
  .nav__links a{font-size:17px; padding:10px 0; width:100%; border-bottom:1px solid var(--line-2)}
  .navtoggle{display:inline-flex}
  .nav__cta-desktop{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative; overflow:hidden}
.hero__grid{display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center; padding-block:clamp(56px,8vw,104px)}
.hero__eyebrow{margin-bottom:26px}
.hero h1{margin-bottom:26px}
.hero__sub{font-size:clamp(17px,1.6vw,20px); line-height:1.58; color:var(--ink-2); max-width:52ch; margin-bottom:34px}
.hero__cta{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:38px}
.hero__meta{display:flex; gap:26px; flex-wrap:wrap; padding-top:26px; border-top:1px solid var(--line)}
.hero__meta div{display:flex; flex-direction:column; gap:3px}
.hero__meta .n{font-family:var(--serif); font-size:30px; font-weight:600; color:var(--ink); line-height:1}
.hero__meta .l{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted)}
.hero__molecule{position:absolute; inset:0; pointer-events:none; opacity:.5; z-index:0}
.hero__grid>*{position:relative; z-index:1}
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr; gap:36px}
}

/* framed placeholder for client photography */
.frame{
  position:relative; border:1px solid var(--line); border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg, var(--surface-2), var(--surface-3));
  aspect-ratio:4/5; overflow:hidden; display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow);
}
.frame--wide{aspect-ratio:16/10}
.frame--sq{aspect-ratio:1/1}
.frame::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(120% 85% at 18% 0%, color-mix(in srgb,var(--teal) 8%,transparent), transparent 55%);
}
.frame__label{
  position:absolute; left:14px; bottom:14px;
  font-family:var(--mono); font-size:11px; letter-spacing:.04em; color:var(--muted);
  background:color-mix(in srgb,var(--surface) 78%,transparent); backdrop-filter:blur(4px);
  padding:6px 10px; border:1px solid var(--line); border-radius:6px; max-width:calc(100% - 28px);
}
.frame__label b{color:var(--teal); font-weight:500}
.frame__deco{opacity:.28}
.frame__deco svg{width:min(58%,220px); height:auto}

/* ---------- trust strip ---------- */
.trust{border-block:1px solid var(--line); background:var(--surface)}
.trust__row{display:flex; flex-wrap:wrap; gap:12px 34px; align-items:center; justify-content:space-between; padding-block:20px}
.trust__item{display:inline-flex; align-items:center; gap:10px; font-family:var(--mono); font-size:12.5px; letter-spacing:.03em; color:var(--ink-2)}
.trust__item svg{width:16px; height:16px; color:var(--teal); flex:none}

/* ---------- generic section head ---------- */
.sechead{display:flex; flex-direction:column; gap:20px; margin-bottom:clamp(38px,5vw,64px)}
.sechead .lead{margin-top:2px}
.sechead--split{flex-direction:row; justify-content:space-between; align-items:flex-end; gap:40px; flex-wrap:wrap}
.sechead--split .sechead__text{max-width:620px}

/* ---------- value / thesis ---------- */
.thesis{display:grid; grid-template-columns:repeat(3,1fr); gap:0; border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; background:var(--surface)}
.thesis__cell{padding:36px 30px; border-right:1px solid var(--line)}
.thesis__cell:last-child{border-right:0}
.thesis__num{font-family:var(--mono); font-size:12px; color:var(--bronze); letter-spacing:.1em; margin-bottom:18px}
.thesis__cell h3{margin-bottom:12px}
.thesis__cell p{font-size:15.5px; color:var(--muted); max-width:none}
@media (max-width:820px){.thesis{grid-template-columns:1fr}.thesis__cell{border-right:0; border-bottom:1px solid var(--line)}.thesis__cell:last-child{border-bottom:0}}

/* ---------- capability ladder ---------- */
.ladder{display:flex; flex-direction:column; gap:2px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden}
.rung{display:grid; grid-template-columns:96px 1fr auto; gap:26px; align-items:center; padding:24px 30px; background:var(--surface); transition:background .25s var(--ease)}
.rung:hover{background:var(--surface-2)}
.rung__tier{font-family:var(--mono); font-size:13px; font-weight:500; color:var(--teal); letter-spacing:.06em}
.rung__body h3{font-size:19px; margin-bottom:5px}
.rung__body p{font-size:14.5px; color:var(--muted); max-width:70ch}
.rung__margin{font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--faint); text-align:right; white-space:nowrap}
.rung--peak{background:linear-gradient(100deg, var(--surface), var(--teal-tint))}
.rung--peak .rung__margin{color:var(--teal)}
@media (max-width:720px){.rung{grid-template-columns:1fr; gap:8px; padding:20px}.rung__margin{text-align:left}}

/* ---------- peptide cards ---------- */
.pgrid{display:grid; grid-template-columns:repeat(auto-fill,minmax(272px,1fr)); gap:18px}
.pcard{position:relative; display:flex; flex-direction:column; padding:28px 26px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); transition:.3s var(--ease); overflow:hidden}
.pcard:hover{border-color:color-mix(in srgb,var(--teal) 40%,var(--line)); transform:translateY(-3px); box-shadow:var(--shadow)}
.pcard__rank{position:absolute; top:22px; right:24px; font-family:var(--serif); font-size:15px; color:var(--faint)}
.pcard__name{font-family:var(--serif); font-size:27px; font-weight:600; line-height:1.05; margin-bottom:8px; padding-right:28px}
.pcard__inci{font-family:var(--mono); font-size:12px; letter-spacing:.02em; color:var(--teal); margin-bottom:16px}
.pcard__desc{font-size:14.5px; color:var(--muted); margin-bottom:20px; flex:1}
.pcard__foot{display:flex; align-items:center; justify-content:space-between; gap:10px; padding-top:16px; border-top:1px solid var(--line-2)}
.tag{display:inline-block; font-family:var(--mono); font-size:10.5px; font-weight:500; letter-spacing:.04em; text-transform:uppercase; padding:4px 9px; border-radius:999px}
.tag--hot{background:var(--bronze-tint); color:var(--bronze-2)}
.tag--rise{background:var(--teal-tint); color:var(--teal)}
.pcard--feature{grid-column:span 2; background:linear-gradient(120deg,var(--surface),var(--teal-tint) 130%)}
@media (max-width:640px){.pcard--feature{grid-column:span 1}}

/* ---------- formulas ---------- */
.fgrid{display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:20px}
.fcard{display:flex; flex-direction:column; gap:16px}
.fcard .frame{aspect-ratio:1/1; transition:transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease)}
.fcard:hover .frame{transform:translateY(-3px); border-color:color-mix(in srgb,var(--teal) 40%,var(--line)); box-shadow:var(--shadow)}
.fcard__t{font-family:var(--sans); font-weight:650; font-size:17px; letter-spacing:-.01em}
.fcard__x{font-family:var(--mono); font-size:11.5px; color:var(--muted); letter-spacing:.02em; margin-top:2px}
.fcard__d{font-size:14px; color:var(--muted); margin-top:6px}

/* ---------- quality ---------- */
.qgrid{display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center}
@media (max-width:900px){.qgrid{grid-template-columns:1fr; gap:36px}}
.qlist{display:flex; flex-direction:column; gap:2px; margin-top:8px}
.qitem{display:grid; grid-template-columns:auto 1fr; gap:18px; padding:22px 0; border-top:1px solid var(--line)}
.qitem:last-child{border-bottom:1px solid var(--line)}
.qitem__ico{width:38px; height:38px; border-radius:999px; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--teal)}
.qitem__ico svg{width:18px;height:18px}
.qitem h3{font-size:17px; margin-bottom:5px}
.qitem p{font-size:14.5px; color:var(--muted); max-width:none}

/* ---------- stat band ---------- */
.band{background:var(--ink); color:var(--ground); position:relative; overflow:hidden}
.band::before{
  content:""; position:absolute; top:-30%; right:-8%; width:56%; height:80%; pointer-events:none;
  background:radial-gradient(closest-side, rgba(69,183,190,.13), transparent 72%);
}
.band>.wrap{position:relative}
.band .eyebrow{color:var(--bronze-2)}
.band .h2{color:var(--ground)}
.band p{color:color-mix(in srgb,var(--ground) 74%,transparent)}
.band .stats{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:34px; margin-top:44px}
.band .stat .n{font-family:var(--serif); font-size:clamp(30px,3.4vw,44px); font-weight:600; line-height:1.02; color:var(--ground); overflow-wrap:break-word}
.band .stat .l{font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:color-mix(in srgb,var(--ground) 60%,transparent); margin-top:10px}
.band .divider{background:color-mix(in srgb,var(--ground) 16%,transparent)}
@media (max-width:820px){.band .stats{grid-template-columns:repeat(2,1fr); gap:26px}}

/* ---------- FAQ ---------- */
.faq{display:grid; grid-template-columns:1fr; gap:0; max-width:860px}
.faq details{border-top:1px solid var(--line); padding:6px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{display:flex; align-items:center; justify-content:space-between; gap:20px; cursor:pointer; list-style:none; padding:22px 4px; font-family:var(--sans); font-weight:600; font-size:18px; letter-spacing:-.01em; color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{flex:none; width:22px; height:22px; position:relative}
.faq summary .plus::before,.faq summary .plus::after{content:""; position:absolute; background:var(--teal); transition:transform .3s var(--ease)}
.faq summary .plus::before{top:10px; left:2px; right:2px; height:1.5px}
.faq summary .plus::after{left:10px; top:2px; bottom:2px; width:1.5px}
.faq details[open] summary .plus::after{transform:scaleY(0)}
.faq details p{padding:0 4px 24px; color:var(--muted); font-size:15.5px; max-width:74ch}

/* ---------- CTA / contact ---------- */
.cta{position:relative; overflow:hidden; border-radius:var(--radius-lg); background:var(--surface); border:1px solid var(--line)}
.contact{display:grid; grid-template-columns:.85fr 1.15fr; gap:0}
.contact__intro{padding:clamp(34px,4vw,56px); border-right:1px solid var(--line)}
.contact__intro .h2{margin-bottom:18px}
.contact__form{padding:clamp(34px,4vw,56px); display:flex; flex-direction:column; gap:18px}
.field{display:flex; flex-direction:column; gap:7px}
.field label{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted)}
.field input,.field select,.field textarea{
  font-family:var(--sans); font-size:15.5px; color:var(--ink); background:var(--surface-2);
  border:1px solid var(--line); border-radius:8px; padding:13px 15px; transition:border-color .2s, background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none; border-color:var(--teal); background:var(--surface)}
.field textarea{resize:vertical; min-height:104px}
.field--row{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.contact__meta{display:flex; flex-direction:column; gap:16px; margin-top:30px; padding-top:26px; border-top:1px solid var(--line)}
.contact__meta a{display:inline-flex; align-items:center; gap:10px; color:var(--ink-2); font-size:15px}
.contact__meta a:hover{color:var(--teal)}
.contact__meta svg{width:16px;height:16px; color:var(--teal)}
@media (max-width:820px){.contact{grid-template-columns:1fr}.contact__intro{border-right:0; border-bottom:1px solid var(--line)}.field--row{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.site-footer{background:var(--surface); border-top:1px solid var(--line); padding-block:64px 40px}
.foot__grid{display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px}
.foot__brand .brand{margin-bottom:16px}
.foot__brand p{font-size:14.5px; color:var(--muted); max-width:38ch}
.foot__col h4{font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); margin-bottom:16px; font-weight:500}
.foot__col a{display:block; font-size:14.5px; color:var(--ink-2); padding:5px 0; transition:color .2s}
.foot__col a:hover{color:var(--teal)}
.foot__bottom{display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; margin-top:52px; padding-top:26px; border-top:1px solid var(--line)}
.foot__bottom p{font-size:13px; color:var(--faint); max-width:none}
.foot__bottom .mono{font-family:var(--mono); font-size:11.5px; letter-spacing:.04em}
@media (max-width:820px){.foot__grid{grid-template-columns:1fr 1fr}.foot__brand{grid-column:span 2}}
@media (max-width:520px){.foot__grid{grid-template-columns:1fr}.foot__brand{grid-column:span 1}}

/* ---------- breadcrumb (subpages) ---------- */
.crumbs{display:flex; gap:9px; align-items:center; font-family:var(--mono); font-size:12px; color:var(--muted); letter-spacing:.02em; padding-top:30px}
.crumbs a:hover{color:var(--teal)}
.crumbs span{color:var(--faint)}

/* ---------- prose (article sections) ---------- */
.prose h2{font-family:var(--serif); font-weight:500; font-size:clamp(26px,3.2vw,38px); line-height:1.1; margin:52px 0 18px}
.prose h3{font-family:var(--sans); font-weight:650; font-size:20px; margin:34px 0 10px; letter-spacing:-.01em}
.prose p{margin-bottom:16px; color:var(--ink-2)}
.prose ul{margin:0 0 18px; padding:0; list-style:none; display:flex; flex-direction:column; gap:9px}
.prose li{position:relative; padding-left:22px; color:var(--ink-2); max-width:var(--measure)}
.prose li::before{content:""; position:absolute; left:3px; top:12px; width:6px; height:6px; border-radius:50%; background:var(--teal)}
.prose strong{color:var(--ink)}

/* spec table */
.spec{width:100%; border-collapse:collapse; font-size:15px; margin:22px 0}
.spec th,.spec td{text-align:left; padding:14px 16px; border-bottom:1px solid var(--line); vertical-align:top}
.spec th{font-family:var(--mono); font-size:12px; letter-spacing:.04em; text-transform:uppercase; color:var(--muted); font-weight:500; width:36%}
.spec td{color:var(--ink-2)}
.spec tr:first-child th,.spec tr:first-child td{border-top:1px solid var(--line)}
.tblwrap{overflow-x:auto; -webkit-overflow-scrolling:touch}

/* callout */
.note{border:1px solid var(--line); border-left:3px solid var(--bronze); background:var(--surface); border-radius:8px; padding:20px 22px; margin:24px 0}
.note .k{font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--bronze-2); display:block; margin-bottom:8px}
.note p{margin:0; color:var(--ink-2); font-size:15px}
.note--teal{border-left-color:var(--teal)}
.note--teal .k{color:var(--teal)}

/* reveal on scroll */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in{opacity:1; transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1; transform:none; transition:none}}

/* misc */
.skip{position:absolute; left:-9999px; top:0; background:var(--ink); color:var(--ground); padding:10px 16px; border-radius:0 0 8px 0; z-index:100}
.skip:focus{left:0}
.center{text-align:center}
.mono{font-family:var(--mono)}
[hidden]{display:none!important}

/* real photography in frames */
.frame__img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block}
.frame::after{z-index:1}

/* ============================================================
   CATALOG (hub · series · product detail)
   ============================================================ */
.crumbs a{color:var(--muted)}
.cat-hero{padding-block:clamp(44px,6vw,80px)}
.cat-hero .display{font-size:clamp(38px,6vw,74px)}
.cat-intro{max-width:60ch}

.series-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; margin-top:12px}
.series-card{display:flex; flex-direction:column; gap:12px; padding:26px 24px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-lg); transition:.3s var(--ease)}
.series-card:hover{border-color:color-mix(in srgb,var(--teal) 40%,var(--line)); transform:translateY(-3px); box-shadow:var(--shadow)}
.series-card .k{font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--bronze-2)}
.series-card h3{font-family:var(--serif); font-size:26px; font-weight:600; line-height:1.05; letter-spacing:-.01em}
.series-card p{font-size:14.5px; color:var(--muted); flex:1; max-width:none}
.series-card .cnt{font-family:var(--mono); font-size:12px; color:var(--teal)}

.prodrow{display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:18px}
.prodtile{display:flex; flex-direction:column; gap:14px; border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; background:var(--surface); transition:.3s var(--ease)}
.prodtile:hover{transform:translateY(-3px); box-shadow:var(--shadow); border-color:color-mix(in srgb,var(--teal) 40%,var(--line))}
.prodtile .frame{aspect-ratio:4/5; border:0; border-radius:0; box-shadow:none}
.prodtile__b{padding:0 18px 20px; display:flex; flex-direction:column; gap:6px}
.prodtile__b .k{font-family:var(--mono); font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--teal)}
.prodtile__b h3{font-size:16.5px; font-weight:650; letter-spacing:-.01em; line-height:1.2}
.prodtile__b p{font-size:13.5px; color:var(--muted); max-width:none}

/* product detail */
.pdp-hero{display:grid; grid-template-columns:.9fr 1.1fr; gap:48px; align-items:center; padding-block:clamp(28px,4vw,52px)}
@media (max-width:860px){.pdp-hero{grid-template-columns:1fr; gap:30px}}
.pdp-hero .frame{aspect-ratio:4/5; max-width:440px}
.pdp-badges{display:flex; flex-wrap:wrap; gap:8px; margin:20px 0 0}
.pdp-badge{font-family:var(--mono); font-size:11px; letter-spacing:.03em; padding:5px 11px; border-radius:999px; background:var(--surface-2); border:1px solid var(--line); color:var(--ink-2)}
.pdp-badge.on{background:var(--teal-tint); border-color:color-mix(in srgb,var(--teal) 30%,transparent); color:var(--teal)}

.benefit-grid{display:grid; grid-template-columns:repeat(auto-ffill,minmax(220px,1fr)); grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; margin:22px 0}
.benefit{padding:18px 20px; border:1px solid var(--line); border-radius:12px; background:var(--surface)}
.benefit .n{font-family:var(--mono); font-size:11px; color:var(--bronze-2); letter-spacing:.1em}
.benefit p{margin:8px 0 0; font-size:14.5px; color:var(--ink-2); max-width:none}

.model-cards{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin:24px 0}
@media (max-width:720px){.model-cards{grid-template-columns:1fr}}
.model-card{padding:26px 26px; border-radius:var(--radius-lg); border:1px solid var(--line); background:var(--surface)}
.model-card.rnd{background:linear-gradient(120deg,var(--surface),var(--teal-tint) 150%); border-color:color-mix(in srgb,var(--teal) 26%,var(--line))}
.model-card .k{font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--teal); margin-bottom:10px; display:block}
.model-card h3{font-size:19px; margin-bottom:8px}
.model-card p{font-size:14.5px; color:var(--muted); max-width:none}

.forms-tags{display:flex; flex-wrap:wrap; gap:8px; margin:14px 0 0}
.forms-tags span{font-family:var(--mono); font-size:12px; padding:6px 12px; border-radius:999px; background:var(--surface-2); border:1px solid var(--line-2); color:var(--ink-2)}

/* factory triptych */
.factory-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
.factory-grid .frame{aspect-ratio:4/5}
@media (max-width:680px){.factory-grid{grid-template-columns:1fr 1fr}.factory-grid .frame:first-child{grid-column:span 2}}

/* ============================================================
   WhatsApp floating button — sheet-mask shaped (面膜 WhatsApp)
   ============================================================ */
.wa-fab{position:fixed; right:22px; bottom:22px; z-index:90; width:58px; height:66px;
  display:grid; place-items:center; text-decoration:none;
  filter:drop-shadow(0 8px 20px rgba(18,140,80,.38)); transition:transform .28s var(--ease)}
.wa-fab:hover{transform:translateY(-3px) rotate(-2deg)}
.wa-fab:active{transform:translateY(-1px)}
.wa-fab svg{width:100%; height:100%; position:relative; z-index:1; overflow:visible}
.wa-fab__pulse{position:absolute; left:50%; top:52%; width:44px; height:44px; margin:-22px 0 0 -22px;
  border-radius:50%; background:#25D366; opacity:.4; z-index:0; animation:waPulse 2.6s ease-out infinite}
@keyframes waPulse{0%{transform:scale(.75);opacity:.45}70%{transform:scale(1.35);opacity:0}100%{opacity:0}}
.wa-fab__tip{position:absolute; right:72px; top:50%; transform:translateY(-50%) translateX(6px);
  background:var(--ink); color:var(--ground); font-family:var(--sans); font-size:13px; font-weight:600;
  white-space:nowrap; padding:8px 13px; border-radius:9px; opacity:0; pointer-events:none;
  transition:opacity .2s var(--ease), transform .2s var(--ease); box-shadow:var(--shadow-lg)}
.wa-fab__tip::after{content:""; position:absolute; right:-5px; top:50%; margin-top:-5px; width:10px; height:10px; background:var(--ink); transform:rotate(45deg)}
.wa-fab:hover .wa-fab__tip, .wa-fab:focus-visible .wa-fab__tip{opacity:1; transform:translateY(-50%)}
@media (prefers-reduced-motion:reduce){.wa-fab__pulse{display:none}}
@media (max-width:640px){.wa-fab{width:52px; height:59px; right:16px; bottom:16px} .wa-fab__tip{display:none}}
@media print{.wa-fab{display:none}}