/* peptiraw.com — spec-sheet stylesheet. Class vocabulary is prefixed rw- on purpose. */
:root{
  --rw-paper:#fbfbf9;
  --rw-paper-2:#f3f4f1;
  --rw-ink:#1c2321;
  --rw-ink-2:#4a5552;
  --rw-ink-3:#7c8683;
  --rw-rule:#d8ddd9;
  --rw-rule-2:#b9c2bd;
  --rw-teal:#0f6e6a;
  --rw-teal-deep:#0a4f4c;
  --rw-tint:#e6f0ee;
  --rw-copper:#a65d2a;
  --rw-amber:#fff6e3;
  --rw-amber-rule:#e9cf97;
  --rw-sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --rw-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --rw-max:1120px;
  --rw-gutter:clamp(16px,4vw,40px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--rw-paper);color:var(--rw-ink);font-family:var(--rw-sans);font-size:17px;line-height:1.6;}
a{color:var(--rw-teal);text-underline-offset:3px}
a:hover{color:var(--rw-teal-deep)}
h1,h2,h3{line-height:1.2;font-weight:600;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.35rem,2.6vw,1.75rem);margin-top:1.6em}
h3{font-size:1.1rem;margin-top:1.4em}
p{margin:0 0 1em}
ul,ol{padding-left:1.3em;margin:0 0 1em}
li{margin:.3em 0}
table{border-collapse:collapse;width:100%;font-size:.95rem;margin:0 0 1.4em}
th,td{text-align:left;vertical-align:top;padding:.55em .7em;border-bottom:1px solid var(--rw-rule)}
th{font-weight:600;color:var(--rw-ink-2);background:var(--rw-paper-2)}
code,.rw-mono{font-family:var(--rw-mono);font-size:.92em}
img{max-width:100%;height:auto;display:block}
.rw-shell{max-width:var(--rw-max);margin:0 auto;padding:0 var(--rw-gutter)}
.rw-skip{position:absolute;left:-999px;top:0}
.rw-skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:50}

/* top bar */
.rw-top{border-bottom:1px solid var(--rw-rule);background:#fff;position:relative}
.rw-top__row{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap}
.rw-mark{display:flex;flex-direction:column;text-decoration:none;color:var(--rw-ink);line-height:1.1}
.rw-mark__name{font-weight:700;font-size:1.25rem;letter-spacing:-.02em}
.rw-mark__name span{color:var(--rw-teal)}
.rw-mark__sub{font-family:var(--rw-mono);font-size:.66rem;color:var(--rw-ink-3);letter-spacing:.06em;text-transform:uppercase}
.rw-nav{margin-left:auto;display:none;gap:4px;align-items:center}
.rw-nav a{color:var(--rw-ink-2);text-decoration:none;padding:8px 10px;border-radius:6px;font-size:.95rem}
.rw-nav a:hover,.rw-nav a[aria-current=page]{background:var(--rw-tint);color:var(--rw-teal-deep)}
.rw-menu{margin-left:auto}
.rw-menu summary{list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--rw-rule-2);border-radius:6px;font-size:.9rem;user-select:none}
.rw-menu summary::-webkit-details-marker{display:none}
.rw-menu__list{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--rw-rule);padding:8px var(--rw-gutter) 16px;display:grid;gap:2px;z-index:40;box-shadow:0 10px 30px rgba(28,35,33,.08)}
.rw-menu__list a{padding:10px 8px;text-decoration:none;color:var(--rw-ink);border-bottom:1px solid var(--rw-paper-2)}
.rw-rfq{display:inline-flex;align-items:center;gap:8px;background:var(--rw-teal);color:#fff;text-decoration:none;padding:10px 16px;border-radius:6px;font-weight:600;font-size:.95rem;white-space:nowrap}
.rw-rfq:hover{background:var(--rw-teal-deep);color:#fff}
.rw-rfq--line{background:transparent;color:var(--rw-teal);border:1.5px solid var(--rw-teal)}
.rw-rfq--line:hover{background:var(--rw-tint);color:var(--rw-teal-deep)}
.rw-rfq svg{width:18px;height:18px}
.rw-top__rfq{display:none}
@media (max-width:520px){.rw-mark__sub{display:none}.rw-top__row{min-height:56px}}
@media (min-width:900px){
  .rw-nav{display:flex}
  .rw-nav a{padding:8px 8px;font-size:.9rem}
  .rw-menu{display:none}
}
@media (min-width:1080px){
  .rw-nav a{padding:8px 10px;font-size:.95rem}
  .rw-top__rfq{display:inline-flex;margin-left:8px}
}

/* hero */
.rw-hero{padding:48px 0 28px;border-bottom:1px solid var(--rw-rule)}
.rw-hero__eyebrow{font-family:var(--rw-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--rw-teal);margin-bottom:14px}
.rw-hero__lead{font-size:1.15rem;color:var(--rw-ink-2);max-width:62ch}
.rw-hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.rw-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rw-rule);border:1px solid var(--rw-rule);margin-top:30px}
.rw-facts > div{background:#fff;padding:16px 18px}
.rw-facts__k{font-family:var(--rw-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--rw-ink-3)}
.rw-facts__v{font-size:1.15rem;font-weight:600;margin-top:4px}
.rw-facts__n{font-size:.85rem;color:var(--rw-ink-2);margin-top:2px}
@media (min-width:760px){.rw-facts{grid-template-columns:repeat(4,1fr)}}

/* sections */
.rw-sec{padding:34px 0;border-bottom:1px solid var(--rw-rule)}
.rw-sec--tint{background:var(--rw-paper-2)}
.rw-sec__head{max-width:70ch}
.rw-sec__head p{color:var(--rw-ink-2)}
.rw-prose{max-width:72ch}
.rw-prose h2{scroll-margin-top:80px}
.rw-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:720px){.rw-grid--2{grid-template-columns:1fr 1fr}.rw-grid--3{grid-template-columns:repeat(3,1fr)}}
.rw-tile{border:1px solid var(--rw-rule);background:#fff;padding:18px 20px;border-radius:4px}
.rw-tile h3{margin-top:0;font-size:1.05rem}
.rw-tile p{font-size:.95rem;color:var(--rw-ink-2);margin-bottom:.5em}
.rw-tile__tag{font-family:var(--rw-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--rw-ink-3)}
.rw-tile__tag--peptide{color:var(--rw-teal)}
.rw-tile__tag--active{color:var(--rw-copper)}
.rw-tile__cas{font-family:var(--rw-mono);font-size:.85rem;color:var(--rw-ink-2)}

/* spec sheet (two-column key/value) */
.rw-sheet{border:1px solid var(--rw-rule-2);background:#fff;border-radius:4px;overflow:hidden;margin:22px 0}
.rw-sheet__cap{font-family:var(--rw-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--rw-ink-3);padding:10px 16px;border-bottom:1px solid var(--rw-rule);background:var(--rw-paper-2);display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.rw-sheet dl{margin:0;display:grid;grid-template-columns:1fr}
.rw-sheet dt,.rw-sheet dd{margin:0;padding:10px 16px;border-bottom:1px solid var(--rw-rule);font-size:.95rem}
.rw-sheet dt{font-family:var(--rw-mono);font-size:.8rem;color:var(--rw-ink-2);background:var(--rw-paper);padding-bottom:2px;border-bottom:0}
.rw-sheet dd{padding-top:2px}
.rw-sheet dd:last-child{border-bottom:0}
.rw-sheet__note{font-size:.85rem;color:var(--rw-ink-3);display:block;margin-top:2px}
@media (min-width:720px){
  .rw-sheet dl{grid-template-columns:220px 1fr}
  .rw-sheet dt{border-bottom:1px solid var(--rw-rule);padding:10px 16px;border-right:1px solid var(--rw-rule)}
  .rw-sheet dd{padding:10px 16px}
  .rw-sheet dt:nth-last-child(2){border-bottom:0}
}

/* ingredient index table */
.rw-index{overflow-x:auto;margin:18px 0}
.rw-index table{min-width:720px}
.rw-index td:first-child a{font-weight:600;text-decoration:none}
.rw-index td:first-child a:hover{text-decoration:underline}
.rw-index .rw-mono{white-space:nowrap}

/* crumbs */
.rw-crumbs{font-size:.85rem;color:var(--rw-ink-3);padding:14px 0 0;display:flex;gap:6px;flex-wrap:wrap;list-style:none;margin:0}
.rw-crumbs a{color:var(--rw-ink-2);text-decoration:none}
.rw-crumbs li+li::before{content:"/";margin-right:6px;color:var(--rw-rule-2)}

/* article */
.rw-article{display:grid;gap:36px;grid-template-columns:1fr;padding:28px 0 40px}
.rw-article__body{min-width:0}
.rw-aside{font-size:.9rem}
.rw-toc{position:sticky;top:20px;border-left:2px solid var(--rw-rule);padding-left:14px}
.rw-toc ol{list-style:none;padding:0;margin:0}
.rw-toc a{color:var(--rw-ink-2);text-decoration:none;display:block;padding:4px 0}
.rw-toc a:hover{color:var(--rw-teal)}
.rw-toc__cap{font-family:var(--rw-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--rw-ink-3);margin-bottom:6px}
@media (min-width:960px){.rw-article{grid-template-columns:minmax(0,1fr) 260px}}

/* notes */
.lit-note{background:var(--rw-amber);border:1px solid var(--rw-amber-rule);border-left:4px solid var(--rw-amber-rule);padding:12px 16px;border-radius:3px;font-size:.95rem}
.lit-note::before{content:"Literature note";display:block;font-family:var(--rw-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--rw-copper);margin-bottom:4px}
.rw-bound{border:1px solid var(--rw-rule-2);background:#fff;padding:16px 18px;border-radius:4px;font-size:.93rem;color:var(--rw-ink-2)}
.rw-bound strong{color:var(--rw-ink)}
.rw-callout{background:var(--rw-tint);border-radius:4px;padding:18px 20px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin:28px 0}
.rw-callout p{margin:0;max-width:60ch}

/* records */
.rw-records td:first-child{font-family:var(--rw-mono);font-size:.88rem;white-space:nowrap}

/* faq */
.rw-faq{max-width:76ch}
.rw-faq details{border-top:1px solid var(--rw-rule);padding:10px 0}
.rw-faq details:last-child{border-bottom:1px solid var(--rw-rule)}
.rw-faq summary{cursor:pointer;font-weight:600;padding:6px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.rw-faq summary::-webkit-details-marker{display:none}
.rw-faq summary::after{content:"+";font-family:var(--rw-mono);color:var(--rw-teal);flex:none}
.rw-faq details[open] summary::after{content:"–"}
.rw-faq p{color:var(--rw-ink-2);margin:4px 0 8px}

/* refs */
.rw-refs{font-size:.88rem;color:var(--rw-ink-2)}
.rw-refs ol{padding-left:1.4em}
.rw-refs a{word-break:break-all}

/* steps */
.rw-steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:14px}
.rw-steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start}
.rw-steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--rw-mono);color:var(--rw-teal);font-size:1.1rem;padding-top:2px}
.rw-steps strong{display:block}

/* photo gallery */
.rw-gal{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media (min-width:760px){.rw-gal{grid-template-columns:repeat(3,1fr)}}
.rw-gal figure{margin:0;border:1px solid var(--rw-rule);background:#fff;border-radius:4px;overflow:hidden}
.rw-gal img,.rw-gal .rw-gal__ph{aspect-ratio:4/3;width:100%;object-fit:cover}
.rw-gal .rw-gal__ph{display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(135deg,var(--rw-paper-2) 0 12px,#fff 12px 24px);color:var(--rw-ink-3);font-family:var(--rw-mono);font-size:.75rem;text-align:center;padding:12px}
.rw-gal a{display:block}
.rw-gal--tall img{aspect-ratio:9/16}
.rw-gal figcaption{font-size:.85rem;color:var(--rw-ink-2);padding:10px 12px}
.rw-gal__stage{font-family:var(--rw-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--rw-teal);margin:28px 0 8px}

/* contact */
.rw-contact{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:720px){.rw-contact{grid-template-columns:1fr 1fr}}
.rw-contact .rw-tile p{font-size:1rem;color:var(--rw-ink)}

/* footer */
.rw-foot{padding:34px 0 48px;font-size:.88rem;color:var(--rw-ink-2);background:#fff;border-top:1px solid var(--rw-rule)}
.rw-foot__grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:760px){.rw-foot__grid{grid-template-columns:1.4fr 1fr 1fr}}
.rw-foot h4{margin:0 0 8px;font-size:.78rem;font-family:var(--rw-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--rw-ink-3)}
.rw-foot ul{list-style:none;padding:0;margin:0}
.rw-foot li{margin:4px 0}
.rw-foot a{color:var(--rw-ink-2)}
.rw-foot__legal{margin-top:24px;padding-top:16px;border-top:1px solid var(--rw-rule);font-size:.8rem;color:var(--rw-ink-3)}
.rw-foot__legal p{margin:0 0 6px}