/*
Theme Name: BWFP
Description: bacteriostaticwaterforpeptides.com. Design system from the ChatGPT-generated template (teal, evidence card, check grid), Georgia/Arial swapped for Newsreader + IBM Plex Sans.
Version: 1.0.0
Requires PHP: 7.4
*/
:root{--ink:#10282d;--ink-soft:#38575c;--teal:#187b7d;--teal-dark:#0d565a;--aqua:#d9efed;--mist:#eef7f6;--paper:#fbfcfa;--white:#fff;--line:#cbdedc;--warm:#f4f0e8;--serif:"Newsreader",Georgia,serif;--sans:"IBM Plex Sans",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65}a{color:inherit}img{max-width:100%;height:auto}.shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px 14px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,252,250,.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(16,40,45,.12)}.header-inner{min-height:76px;display:flex;align-items:center;gap:30px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font-size:15px;font-weight:600;line-height:1.2}.brand i{display:block;color:var(--teal);font-family:var(--serif);font-size:15px;font-weight:400}.brand-mark{width:38px;height:38px;display:grid;place-items:center;color:#fff;background:var(--teal-dark);border-radius:50% 50% 46% 54%/58% 50% 50% 42%}.brand-mark svg{width:21px;height:21px}.desktop-nav{margin-left:auto;display:flex;align-items:center;gap:24px}.desktop-nav a{color:var(--ink-soft);font-size:14px;font-weight:600;text-decoration:none}.desktop-nav a:hover,.desktop-nav a[aria-current]{color:var(--teal-dark)}.header-cta{display:inline-flex;align-items:center;gap:7px;padding:11px 15px;background:var(--ink);color:#fff;border-radius:7px;font-size:14px;font-weight:600;text-decoration:none}.mobile-menu{display:none;margin-left:auto;position:relative}.mobile-menu summary{list-style:none;display:grid;place-items:center;cursor:pointer;font-size:25px}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:0;top:42px;min-width:250px;padding:12px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 50px rgba(16,40,45,.14);border-radius:10px}.mobile-menu nav a{display:block;padding:10px;text-decoration:none;font-weight:600}
.hero{padding:90px 0 78px;background:radial-gradient(circle at 82% 18%,rgba(217,239,237,.8),transparent 28%),linear-gradient(180deg,#f7fbfa,var(--paper));overflow:hidden}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.75fr);gap:84px;align-items:center}.eyebrow{margin:0 0 15px;color:var(--teal-dark);font-size:12px;line-height:1.2;font-weight:700;letter-spacing:.12em;text-transform:uppercase}h1,h2{margin:0;font-family:var(--serif);font-weight:400;letter-spacing:-.025em;line-height:1.05}h1{max-width:760px;font-size:clamp(46px,6vw,76px)}h2{font-size:clamp(32px,4vw,50px)}h3{margin:0;font-size:20px;line-height:1.25}.hero-dek{max-width:670px;margin:26px 0 0;color:var(--ink-soft);font-size:20px;line-height:1.55}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 19px;border-radius:7px;font-weight:700;text-decoration:none}.primary-button{background:var(--teal-dark);color:#fff;box-shadow:0 9px 25px rgba(13,86,90,.15)}.text-link,.inline-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--teal-dark);font-weight:700;text-decoration:none;border-bottom:1px solid rgba(13,86,90,.3)}.evidence-card{position:relative;padding:28px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 28px 70px rgba(16,40,45,.1)}.evidence-card:before{content:'';position:absolute;inset:-9px 20px auto;height:8px;background:var(--aqua);border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0}.evidence-card-top{display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--ink-soft);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.status-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;background:var(--mist);border-radius:999px;color:var(--teal-dark);font-size:10px}.status-pill span{width:6px;height:6px;background:var(--teal);border-radius:50%}.formula-line{display:flex;align-items:center;gap:12px;margin:28px 0 16px;padding:20px 0;border-block:1px solid var(--line);font-family:var(--serif);font-size:24px;line-height:1.15}.formula-line span{color:var(--teal)}.evidence-card>p{color:var(--ink-soft)}.fact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:24px 0;background:var(--line);border:1px solid var(--line)}.fact-grid div{padding:14px;background:var(--paper)}.fact-grid dt{color:#5d7476;font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}.fact-grid dd{margin:4px 0 0;font-size:14px;font-weight:600;line-height:1.35}.source-note{margin:18px 0 0!important;font-size:13px;color:#5d7476!important}.source-note a{color:var(--teal-dark)}
.warning-strip{background:var(--ink);color:#fff}.warning-inner{display:flex;gap:16px;align-items:flex-start;padding-block:23px}.warning-icon{flex:0 0 auto;color:#78d3cc;font-size:22px}.warning-inner p{margin:0;color:#dce9e8;font-size:15px}.warning-inner strong{color:#fff}.section{padding-block:96px}.section-heading{max-width:760px;margin-bottom:38px}.section-heading>p:last-child{margin:18px 0 0;color:var(--ink-soft);font-size:18px}.split-heading{max-width:none;display:grid;grid-template-columns:1.2fr .7fr;gap:80px;align-items:end}.split-heading>p{margin:0!important}.check-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.check-card{min-height:260px;padding:26px;background:#fff;border-right:1px solid var(--line)}.check-card:last-child{border-right:0}.number{display:block;margin-bottom:50px;color:var(--teal);font-family:var(--serif);font-size:20px;font-style:italic}.check-card p{margin:12px 0 0;color:var(--ink-soft);font-size:15px}.comparison-section{background:var(--mist);border-block:1px solid var(--line)}.comparison-table{margin:32px 0 26px;border:1px solid var(--line);background:#fff}.comparison-row{display:grid;grid-template-columns:.75fr 1fr 1fr;border-bottom:1px solid var(--line)}.comparison-row:last-child{border-bottom:0}.comparison-row>*{padding:18px 22px;border-right:1px solid var(--line)}.comparison-row>*:last-child{border-right:0}.comparison-row span{color:var(--ink-soft)}.comparison-head{background:var(--teal-dark);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.comparison-head span{color:#fff}.two-column-section{display:grid;grid-template-columns:1fr .78fr;gap:100px;align-items:center}.large-copy{margin:24px 0 28px;color:var(--ink-soft);font-size:19px}.document-card{padding:30px;border:1px solid var(--line);background:var(--warm);box-shadow:12px 12px 0 var(--aqua)}.doc-header{display:flex;gap:10px;align-items:center;padding-bottom:20px;border-bottom:1px solid #d9d0c1;font-family:var(--serif);font-size:22px}.clean-list{list-style:none;padding:0;margin:22px 0 0}.clean-list li{display:flex;gap:11px;padding:10px 0;color:var(--ink-soft)}.clean-list li:before{content:'✓';color:var(--teal-dark);font-weight:700}.faq-section{background:#fff;border-top:1px solid var(--line)}.faq-grid{display:grid;grid-template-columns:.6fr 1fr;gap:100px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{padding:22px 34px 22px 0;cursor:pointer;font-weight:700}.faq-list p{margin:-6px 0 22px;color:var(--ink-soft)}.shop-callout{padding:66px 0;background:var(--teal-dark);color:#fff}.shop-callout-inner{display:flex;align-items:center;justify-content:space-between;gap:60px}.shop-callout .eyebrow{color:#91dad5}.shop-callout h2{max-width:760px;font-size:clamp(30px,3.5vw,46px)}.light-button{flex:0 0 auto;background:#fff;color:var(--teal-dark)}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.guide-card{display:block;padding:28px;background:#fff;text-decoration:none}.guide-card h3{font-family:var(--serif);font-weight:400;font-size:26px}.guide-card p{margin:10px 0 0;color:var(--ink-soft);font-size:15px}.guide-card:hover h3{color:var(--teal-dark)}
.article-page{border-top:8px solid var(--aqua)}.page-intro{padding:84px 0 52px;border-bottom:1px solid var(--line)}.page-intro h1{font-size:clamp(42px,5.5vw,66px)}.page-dek{max-width:760px;margin:24px 0 0;color:var(--ink-soft);font-size:20px}.article-shell{width:min(820px,calc(100% - 40px));margin-inline:auto;padding:68px 0 100px}.article-shell h2{margin:58px 0 18px;font-size:38px}.article-shell h3{margin:32px 0 10px}.article-shell p,.article-shell li{color:var(--ink-soft)}.article-shell a{color:var(--teal-dark)}.article-lead{color:var(--ink)!important;font-size:21px}.article-callout{margin:36px 0;padding:24px 26px;border-left:4px solid var(--teal);background:var(--mist)}.article-callout strong{display:block;margin-bottom:6px;color:var(--ink)}.article-shell table{width:100%;margin:28px 0;border-collapse:collapse;background:#fff}.article-shell th,.article-shell td{padding:15px;border:1px solid var(--line);text-align:left;vertical-align:top}.article-shell th{background:var(--mist)}.article-source{margin-top:50px;padding-top:22px;border-top:1px solid var(--line);font-size:14px}.article-cta{margin-top:56px;padding:30px;background:var(--ink);color:#fff}.article-cta h3{font-family:var(--serif);font-weight:400;font-size:28px}.article-cta p{color:#dce9e8!important}.related{margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}.related ul{padding-left:20px}
.site-footer{padding:62px 0 24px;background:#0a2226;color:#fff}.footer-grid{display:grid;grid-template-columns:1.2fr .7fr 1fr;gap:80px}.footer-brand{margin-bottom:20px}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:9px}.footer-grid a{color:#d6e8e6;font-size:14px;text-decoration:none}.footer-grid a:hover{text-decoration:underline}.footer-note{max-width:400px;margin:0;color:#9fb7b7;font-size:14px}.footer-heading{margin:0 0 8px;color:#7ecfc9;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.footer-bottom{display:flex;justify-content:space-between;gap:30px;margin-top:50px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#8fb0b0;font-size:12px}
@media(max-width:960px){.desktop-nav,.header-cta{display:none}.mobile-menu{display:block}.hero{padding-top:62px}.hero-grid{grid-template-columns:1fr;gap:52px}.evidence-card{max-width:650px}.split-heading,.two-column-section,.faq-grid{grid-template-columns:1fr;gap:40px}.check-grid{grid-template-columns:1fr 1fr}.check-card:nth-child(2){border-right:0}.check-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:640px){.shell,.article-shell{width:min(100% - 32px,1160px)}.header-inner{min-height:66px}.hero{padding:52px 0}h1{font-size:44px}.hero-dek,.page-dek{font-size:18px}.hero-actions{align-items:stretch;flex-direction:column}.primary-button{width:100%}.formula-line{align-items:flex-start;flex-direction:column}.fact-grid{grid-template-columns:1fr}.section{padding-block:70px}.check-grid,.guide-grid{grid-template-columns:1fr}.check-card{min-height:auto;border-right:0;border-bottom:1px solid var(--line)}.check-card:last-child{border-bottom:0}.number{margin-bottom:28px}.comparison-table{overflow-x:auto}.comparison-row{min-width:640px}.shop-callout-inner{align-items:flex-start;flex-direction:column}.light-button{width:100%}.footer-grid{grid-template-columns:1fr;gap:38px}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.page-intro{padding-top:58px}.article-shell table{display:block;overflow-x:auto}.article-shell h2{font-size:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}