/* ============================================================
   AMP Peptide — static theme matching the original Kadence site
   Brand accent: blue #2B6CB0 (Kadence palette1)
   ============================================================ */
:root{
  --blue:#2B6CB0;
  --blue-dark:#215387;
  --blue-darker:#1A365D;
  --ink:#1A202C;
  --gray:#4A5568;
  --gray2:#718096;
  --line:#E3E8EF;
  --soft:#EDF2F7;
  --soft2:#F7FAFC;
  --white:#fff;
  --maxw:1200px;
  --radius:10px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.06);
  --shadow:0 8px 30px rgba(20,40,70,.12);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--gray);background:var(--soft2);
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
img{max-width:100%;height:auto}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:700;margin:1.2em 0 .5em}
h1{font-size:clamp(28px,4vw,44px)}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:clamp(18px,2.2vw,24px)}

/* ---------------- Header ---------------- */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--white);
  border-bottom:1px solid var(--line);
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:46px;width:auto;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:var(--ink);font-size:15px;font-weight:700}
.brand-text small{color:var(--gray2);font-size:12px;font-weight:400}

.nav{margin-left:auto}
.menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.menu > li{position:relative}
.menu > li > a{
  display:flex;align-items:center;gap:4px;
  padding:.7em 1em;color:var(--gray);font-size:14px;font-weight:500;
  letter-spacing:.02em;white-space:nowrap;position:relative;
}
.menu > li > a::after{
  content:"";position:absolute;left:1em;right:1em;bottom:.45em;height:2px;
  background:var(--blue);width:0;transition:width .2s ease;
}
.menu > li > a:hover{color:var(--blue)}
.menu > li > a:hover::after{width:calc(100% - 2em)}
.menu > li.active > a{color:var(--ink)}
.menu > li.active > a::after{width:calc(100% - 2em)}
.caret{font-size:10px;color:var(--gray2)}

/* dropdown */
.sub-menu{
  position:absolute;top:100%;left:0;min-width:240px;
  background:var(--white);border:1px solid var(--line);border-radius:8px;
  box-shadow:var(--shadow);list-style:none;margin:0;padding:8px 0;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s ease;z-index:60;
}
.has-children:hover > .sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.sub-menu li a{display:block;padding:9px 18px;color:var(--gray);font-size:14px;white-space:nowrap}
.sub-menu li a:hover{background:var(--soft);color:var(--blue)}

/* hamburger */
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--ink);display:block;transition:.25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- Hero (home) ---------------- */
.hero{padding:18px 20px 0}
.hero-cover{
  position:relative;max-width:var(--maxw);margin:0 auto;min-height:460px;
  border-radius:15px;background-size:cover;background-position:center;
  display:flex;align-items:center;overflow:hidden;
}
.hero-dim{position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,32,58,.62),rgba(15,32,58,.42))}
.hero-inner{position:relative;max-width:780px;padding:0 48px;color:#fff}
.hero-inner h1{color:#fff;font-size:clamp(28px,4.4vw,52px);margin:0 0 18px;line-height:1.1}
.hero-inner .lead{color:rgba(255,255,255,.92);font-size:clamp(15px,1.6vw,19px);margin:0;max-width:640px}

/* ---------------- Inner page hero ---------------- */
.page-hero{
  background:linear-gradient(120deg,var(--blue),var(--blue-dark));color:#fff;
  padding:56px 0;margin-top:0;
}
.page-hero .eyebrow{
  display:block;color:rgba(255,255,255,.82);letter-spacing:.14em;
  text-transform:uppercase;font-size:13px;font-weight:600;margin-bottom:10px;
}
.page-hero h1{color:#fff;font-size:clamp(26px,3.6vw,40px);margin:0}

/* ---------------- Content ---------------- */
.prose{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:42px;max-width:var(--maxw);margin:34px auto;
}
.prose > :first-child{margin-top:0}
.prose h2{color:var(--blue);padding-bottom:8px;border-bottom:2px solid var(--soft);margin-top:1.6em}
.prose h3{color:var(--ink)}
.prose p{margin:1em 0}
.prose ul,.prose ol{padding-left:1.4em;margin:1em 0}
.prose li{margin:.4em 0}
.prose blockquote{
  margin:1.4em 0;padding:14px 18px;background:var(--soft);
  border-left:3px solid var(--blue);border-radius:0 6px 6px 0;color:var(--blue-dark);font-style:italic;
}
.prose code{background:var(--soft);padding:2px 6px;border-radius:4px;font-size:.92em;color:var(--blue-dark)}
.prose table{border-collapse:collapse;width:100%;margin:1.4em 0;font-size:15px;overflow:hidden;border-radius:8px}
.prose th{background:var(--blue);color:#fff;text-align:left;padding:11px 14px;font-weight:600}
.prose td{border:1px solid var(--line);padding:10px 14px}
.prose tr:nth-child(even) td{background:var(--soft2)}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}

/* buttons */
.btn{display:inline-block;padding:.7em 1.4em;border-radius:6px;font-weight:600;font-size:15px;cursor:pointer;border:0;transition:.18s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);color:#fff}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.8)}
.btn-ghost:hover{border-color:#fff;color:#fff}

/* ---------------- Footer ---------------- */
.site-footer{background:var(--blue-dark);color:#cdd9e8;padding:50px 0 0;margin-top:40px}
.footer-grid{display:flex;gap:48px;flex-wrap:wrap}
.footer-brand{flex:1 1 280px}
.footer-brand img{height:46px;margin-bottom:14px}
.fb-name{color:#fff;font-weight:700;font-size:16px;margin:0 0 6px}
.fb-desc{color:#aebfd2;font-size:14px;margin:0 0 12px}
.fb-contact{font-size:14px;line-height:1.7}
.fb-contact a{color:#fff}
.footer-notice{flex:1 1 280px}
.footer-notice h4{color:#fff;font-size:16px;margin:0 0 14px}
.notice-links{list-style:none;padding:0;margin:0;columns:2;column-gap:28px}
.notice-links li{margin:0 0 9px;break-inside:avoid}
.notice-links a{color:#cdd9e8;font-size:14px}
.notice-links a:hover{color:#fff}
.footer-bottom{background:rgba(0,0,0,.2);margin-top:38px;padding:16px 0;font-size:13px;color:#aebfd2}
.footer-bottom .container{text-align:center}

/* ---------------- Responsive ---------------- */
@media (max-width:900px){
  .menu-toggle{display:flex}
  .nav{
    position:absolute;top:74px;left:0;right:0;background:var(--white);
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  .nav.open{max-height:80vh;overflow:auto}
  .menu{flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
  .menu > li{border-bottom:1px solid var(--soft)}
  .menu > li > a{padding:14px 20px;font-size:15px}
  .menu > li > a::after{display:none}
  .has-children > a .caret{margin-left:auto}
  .sub-menu{
    position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;border-radius:0;min-width:0;
    max-height:0;overflow:hidden;padding:0;transition:max-height .25s ease;
  }
  .has-children.open > .sub-menu{max-height:400px;padding:4px 0 8px}
  .sub-menu li a{padding:11px 36px;background:var(--soft2)}
  .hero-cover{min-height:380px}
  .hero-inner{padding:0 24px}
  .prose{padding:26px 20px}
  .notice-links{columns:1}
}
@media (max-width:560px){
  .brand-text small{display:none}
  .hero-cover{min-height:320px}
}