/* Peptides SD — shared styles
   Palette: neutral charcoal ground, true-black header, amber-glass accent.
   Type: Source Serif 4 (display) + IBM Plex Sans (body/UI). */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root{
  --ink: #1A1A1A;
  --ink-2: #121212;
  --panel: #202020;
  --panel-2: #262626;
  --header-bg: rgba(0,0,0,0.92);
  --paper: #ECEAE2;
  --paper-dim: #A9B7B3;
  --paper-faint: #75847F;
  --amber: #C9884C;
  --amber-deep: #9C6636;
  --fog: #5C7A76;
  --line: rgba(236,234,226,0.14);
  --line-strong: rgba(236,234,226,0.24);
  --radius: 3px;
  --maxw: 1160px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:'IBM Plex Sans', -apple-system, sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
@media (max-width:640px){.wrap{padding:0 20px;}}

h1,h2,h3,h4{
  font-family:'Source Serif 4', Georgia, serif;
  font-weight:500;
  margin:0;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.4rem, 4.6vw, 3.6rem); line-height:1.06;}
h2{font-size:clamp(1.7rem, 3vw, 2.3rem); line-height:1.15;}
h3{font-size:1.25rem; line-height:1.3;}
p{margin:0;}
.lede{font-size:1.1rem; color:var(--paper-dim); max-width:46ch;}

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

/* ---------- Header ---------- */
header.site{
  position:sticky; top:0; z-index:40;
  background:var(--header-bg);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px; max-width:var(--maxw); margin:0 auto;
  gap:24px;
}
.wordmark{
  font-family:'Source Serif 4', serif; font-weight:500; font-size:1.25rem;
  letter-spacing:0.01em; white-space:nowrap;
  display:flex; align-items:baseline;
}
.wordmark .mark{color:var(--amber); font-style:italic;}
.navlinks{display:flex; gap:28px; font-size:0.94rem;}
.navlinks a{text-decoration:none; color:var(--paper-dim); transition:color .15s;}
.navlinks a:hover{color:var(--paper);}
.nav-right{display:flex; align-items:center; gap:16px;}
.phonebtn{
  display:flex; align-items:center; gap:8px;
  border:1px solid var(--line-strong); border-radius:999px;
  padding:8px 16px; text-decoration:none; font-size:0.9rem;
  color:var(--paper); white-space:nowrap; transition:border-color .15s, background .15s;
}
.phonebtn:hover{border-color:var(--amber); background:rgba(201,136,76,0.08);}
.phonebtn svg{width:15px; height:15px; stroke:var(--amber); flex-shrink:0;}
.navtoggle{display:none; background:none; border:1px solid var(--line-strong); border-radius:4px; color:var(--paper); width:38px; height:38px; align-items:center; justify-content:center; flex-shrink:0;}
.navtoggle svg{width:18px; height:18px; stroke:var(--paper);}

@media (max-width:820px){
  .navlinks{
    display:none; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0; background:var(--header-bg); border-bottom:1px solid var(--line);
    padding:8px 32px 18px;
  }
  .navlinks.open{display:flex;}
  .navlinks a{padding:12px 0; border-top:1px solid var(--line);}
  .navtoggle{display:flex;}
  .nav{position:relative;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 24px; border-radius:2px; font-size:0.95rem;
  text-decoration:none; border:1px solid transparent; cursor:pointer;
  font-family:'IBM Plex Sans', sans-serif; font-weight:500;
  transition:background .15s, border-color .15s, color .15s;
}
.btn-primary{background:var(--amber); color:#1A1006;}
.btn-primary:hover{background:#D89B63;}
.btn-ghost{border-color:var(--line-strong); color:var(--paper);}
.btn-ghost:hover{border-color:var(--paper); }
.btn-row{display:flex; gap:14px; flex-wrap:wrap;}

/* ---------- Tags / badges ---------- */
.tag{
  display:inline-block; font-size:0.72rem; letter-spacing:0.04em;
  padding:4px 9px; border:1px solid var(--line-strong); border-radius:999px;
  color:var(--paper-dim);
}
.tag.ruo{color:var(--amber); border-color:rgba(201,136,76,0.4);}

/* ---------- Hero ---------- */
.hero{padding:76px 0 64px; border-bottom:1px solid var(--line);}
.hero-grid{
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center;
}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr; gap:40px;}}
.hero-copy p.lede{margin:22px 0 30px;}
.hero-badges{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:26px;}
.hero-photo{
  position:relative; border:1px solid var(--line); background:var(--ink-2);
  padding:18px;
}
.hero-photo img{width:100%; height:auto;}
.hero-photo figcaption{
  margin-top:12px; font-size:0.8rem; color:var(--paper-faint);
  display:flex; justify-content:space-between; border-top:1px solid var(--line); padding-top:10px;
}

/* ---------- Fulfillment band ---------- */
.fulfill{padding:52px 0; border-bottom:1px solid var(--line); background:var(--ink-2);}
.fulfill-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:0;
}
.fulfill-item{padding:8px 32px; border-left:1px solid var(--line);}
.fulfill-item:first-child{border-left:none; padding-left:0;}
@media (max-width:760px){
  .fulfill-grid{grid-template-columns:1fr; gap:28px;}
  .fulfill-item{border-left:none; border-top:1px solid var(--line); padding:24px 0 0;}
  .fulfill-item:first-child{border-top:none; padding-top:0;}
}
.fulfill-item svg{width:26px; height:26px; stroke:var(--amber); margin-bottom:14px;}
.fulfill-item h3{margin-bottom:8px;}
.fulfill-item p{color:var(--paper-dim); font-size:0.95rem;}

/* ---------- Section shell ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--ink-2);}
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; margin-bottom:44px; flex-wrap:wrap; border-bottom:1px solid var(--line); padding-bottom:28px;
}
.section-head p{color:var(--paper-dim); max-width:50ch;}
.section-num{color:var(--paper-faint); font-size:0.85rem;}

/* ---------- Catalog grids ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line);}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.grid-3{grid-template-columns:1fr;}}

.vial-card, .strip-card{
  background:var(--ink); padding:26px; display:flex; flex-direction:column; gap:14px;
  border-right:1px solid var(--line); border-bottom:1px solid var(--line);
}
.vial-card .thumb, .strip-card .thumb{
  background:var(--ink-2); border:1px solid var(--line); padding:14px; aspect-ratio:4/5;
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.vial-card .thumb img, .strip-card .thumb img{width:100%; height:100%; object-fit:contain;}
.card-name{font-family:'Source Serif 4', serif; font-size:1.15rem; font-weight:500;}
.card-strength{color:var(--paper-dim); font-size:0.88rem; margin-top:2px;}
.card-desc{color:var(--paper-dim); font-size:0.88rem; flex-grow:1;}
.card-foot{
  display:flex; align-items:center; justify-content:space-between;
  border-top:1px solid var(--line); padding-top:14px; margin-top:2px;
}
.card-foot a{font-size:0.85rem; text-decoration:none; color:var(--amber);}
.card-foot a:hover{color:var(--paper);}

.strip-card{justify-content:flex-start;}
.strip-card .card-format{color:var(--fog); font-size:0.78rem; letter-spacing:0.03em;}

/* ---------- Strips section intro photo ---------- */
.strip-intro{
  display:grid; grid-template-columns:1.3fr 1fr; gap:44px; align-items:start;
  margin-bottom:44px; padding-bottom:28px; border-bottom:1px solid var(--line);
}
.strip-intro .section-head{border-bottom:none; padding-bottom:0; margin-bottom:0; flex:1;}
.strip-photo{border:1px solid var(--line); background:var(--ink); padding:10px;}
.strip-photo img{width:100%; height:auto; display:block;}
.strip-photo figcaption{
  margin-top:10px; font-size:0.78rem; color:var(--paper-faint);
  display:flex; justify-content:space-between; border-top:1px solid var(--line); padding-top:8px;
}
@media (max-width:900px){
  .strip-intro{grid-template-columns:1fr; gap:24px;}
}

/* ---------- Trust / how it works ---------- */
.trust-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:28px;}
@media (max-width:1100px){.trust-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.trust-grid{grid-template-columns:1fr;}}
.trust-item h3{font-size:1.05rem; margin-bottom:10px;}
.trust-item p{color:var(--paper-dim); font-size:0.92rem;}
.trust-item .rule{width:32px; height:1px; background:var(--amber); margin-bottom:16px;}

/* ---------- FAQ accordion ---------- */
.faq-list{max-width:840px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none; cursor:pointer; padding:26px 4px; display:flex;
  justify-content:space-between; align-items:center; gap:24px;
  font-family:'Source Serif 4', serif; font-size:1.15rem; color:var(--paper);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex-shrink:0; width:22px; height:22px; position:relative; color:var(--amber);
}
.faq-item summary .plus::before, .faq-item summary .plus::after{
  content:''; position:absolute; background:var(--amber); border-radius:1px;
  transition:transform .2s;
}
.faq-item summary .plus::before{left:0; top:50%; width:100%; height:1.5px; transform:translateY(-50%);}
.faq-item summary .plus::after{top:0; left:50%; width:1.5px; height:100%; transform:translateX(-50%);}
.faq-item[open] summary .plus::after{transform:translateX(-50%) rotate(90deg); opacity:0;}
.faq-item .faq-a{padding:0 4px 26px; color:var(--paper-dim); font-size:0.98rem; max-width:70ch;}

/* ---------- CTA banner ---------- */
.cta{
  border:1px solid var(--line-strong); padding:56px; display:flex;
  align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
}
.cta h2{max-width:18ch;}

/* ---------- Footer ---------- */
footer.site{border-top:1px solid var(--line); padding:56px 0 36px;}
.foot-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; margin-bottom:40px;}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr; gap:32px;}}
.foot-grid h4{font-size:0.82rem; letter-spacing:0.03em; color:var(--paper-faint); font-family:'IBM Plex Sans'; font-weight:500; margin-bottom:14px;}
.foot-grid p, .foot-grid a{font-size:0.9rem; color:var(--paper-dim); text-decoration:none; line-height:1.7;}
.foot-grid a:hover{color:var(--paper);}
.legal{font-size:0.8rem; color:var(--paper-faint); line-height:1.7; border-top:1px solid var(--line); padding-top:28px;}
.legal p{margin-bottom:12px; max-width:78ch;}
.copyline{display:flex; justify-content:space-between; margin-top:20px; flex-wrap:wrap; gap:8px; font-size:0.8rem; color:var(--paper-faint);}

/* ---------- Inquiry form ---------- */
.formshell{border:1px solid var(--line); background:var(--panel); padding:44px;}
@media (max-width:640px){.formshell{padding:28px;}}
.field{margin-bottom:22px;}
.field label{display:block; font-size:0.85rem; color:var(--paper-dim); margin-bottom:8px;}
.field input, .field select, .field textarea{
  width:100%; background:var(--ink); border:1px solid var(--line-strong); color:var(--paper);
  padding:12px 14px; font-family:'IBM Plex Sans'; font-size:0.95rem; border-radius:2px;
}
.field input:focus, .field select:focus, .field textarea:focus{border-color:var(--amber); outline:none;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
@media (max-width:560px){.field-row{grid-template-columns:1fr;}}
.checkfield{display:flex; gap:12px; align-items:flex-start; margin-bottom:26px;}
.checkfield input{width:auto; margin-top:4px;}
.checkfield label{font-size:0.85rem; color:var(--paper-dim); line-height:1.5;}
.confirm{
  display:none; border:1px solid rgba(201,136,76,0.4); background:rgba(201,136,76,0.08);
  padding:22px; margin-top:22px; font-size:0.92rem; color:var(--paper);
}
.confirm.show{display:block;}
.inquire-hero{padding:64px 0 40px; border-bottom:1px solid var(--line);}
.inquire-grid{display:grid; grid-template-columns:1fr 1.3fr; gap:56px;}
@media (max-width:900px){.inquire-grid{grid-template-columns:1fr;}}
.inquire-side h3{margin-bottom:14px;}
.inquire-list{list-style:none; margin:0 0 32px; padding:0; display:flex; flex-direction:column; gap:14px;}
.inquire-list li{display:flex; gap:12px; font-size:0.92rem; color:var(--paper-dim);}
.inquire-list svg{width:16px; height:16px; stroke:var(--amber); flex-shrink:0; margin-top:3px;}