/* ============================================================
   Nutritive Cells — shared stylesheet (phase 2, multi-page)
   Brand tokens carried over from nutritivecells.com:
   green #6CBD45, Nunito Sans, white ground, soft-black text.
   Amber tones sampled from the pharmaceutical amber glass.
   ============================================================ */
:root{
  --green:#6CBD45; --green-dark:#4E9430; --green-deep:#33691E;
  --green-tint:#F1F8ED; --green-line:#D7EBCB;
  --amber:#C8791A; --amber-tint:#FDF4E7;
  --ink:rgba(0,0,0,.86); --ink-2:rgba(0,0,0,.64); --ink-3:rgba(0,0,0,.46);
  --white:#fff; --paper:#FAFBF9; --rule:#E4E8E1;
  --maxw:1140px; --radius:6px;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 10px 30px -20px rgba(0,0,0,.35);
  --font:"Nunito Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--white);color:var(--ink-2);font-family:var(--font);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.2;letter-spacing:-.015em;margin:0;text-wrap:balance}
p{margin:0 0 1em}
a{color:var(--green-dark)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:3px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--green-deep);color:#fff;padding:12px 20px;z-index:200}
.skip:focus{left:8px;top:8px}
.vh{position:absolute;left:-9999px}

/* ---------------- header ---------------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--rule)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 24px;max-width:var(--maxw);margin:0 auto}
.logo img{width:200px;height:auto}
.nav{display:flex;align-items:center;gap:24px}
.nav a{color:var(--ink-2);text-decoration:none;font-weight:600;font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--green-deep);border-bottom-color:var(--green)}
.nav a[aria-current="page"]{color:var(--green-deep);border-bottom-color:var(--green)}
.nav a.cta{background:var(--green);color:#fff;border-radius:var(--radius);padding:10px 20px;border-bottom:0}
.nav a.cta:hover,.nav a.cta[aria-current="page"]{background:var(--green-dark);border-bottom-color:transparent;color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--rule);border-radius:var(--radius);padding:9px 11px;cursor:pointer;min-width:44px;min-height:44px;align-items:center;justify-content:center}
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;border-bottom:1px solid var(--rule);box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:14px 4px;border-bottom:1px solid var(--rule)}
  .nav a.cta{margin-top:12px;text-align:center;border-bottom:0}
  .logo img{width:164px}
}

/* ---------------- breadcrumbs ---------------- */
.crumbs{background:var(--paper);border-bottom:1px solid var(--rule);font-size:13.5px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:11px 24px;max-width:var(--maxw);margin:0 auto}
.crumbs li::after{content:"›";margin-left:6px;color:var(--ink-3)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--ink-3);text-decoration:none}
.crumbs a:hover{color:var(--green-deep);text-decoration:underline}
.crumbs [aria-current]{color:var(--ink-2);font-weight:600}

/* ---------------- page hero ---------------- */
.hero{background:linear-gradient(180deg,var(--green-tint) 0%,#fff 100%);border-bottom:1px solid var(--green-line);padding:60px 0}
.hero.home{padding:64px 0}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:940px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green-deep);background:#fff;border:1px solid var(--green-line);border-radius:100px;padding:6px 14px;margin-bottom:18px}
h1{font-size:clamp(1.95rem,4.4vw,2.95rem);margin-bottom:16px;max-width:19ch}
.hero.page h1{max-width:24ch}
h1 em{font-style:normal;color:var(--green-dark)}
.lede{font-size:1.12rem;max-width:60ch;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px}
.btn{display:inline-block;font-weight:700;font-size:16px;text-decoration:none;padding:14px 26px;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:background .15s ease,color .15s ease}
.btn-primary{background:var(--green);color:#fff;border-color:var(--green)}
.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark)}
.btn-ghost{background:#fff;color:var(--green-deep);border-color:var(--green-line)}
.btn-ghost:hover{border-color:var(--green);background:var(--green-tint)}
.hero-note{font-size:14px;color:var(--ink-3);margin:0}
.hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}

/* ---------------- spec bar ---------------- */
.specbar{background:var(--white);border-bottom:1px solid var(--rule)}
.specbar-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:1px;background:var(--rule);border-left:1px solid var(--rule);border-right:1px solid var(--rule);margin:0}
.spec{background:#fff;padding:22px 20px}
.spec dt{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.spec dd{margin:0;font-size:1.3rem;font-weight:800;color:var(--green-deep);line-height:1.15;font-variant-numeric:tabular-nums}
.spec dd small{display:block;font-size:13px;font-weight:600;color:var(--ink-3);margin-top:4px;letter-spacing:0}
/* five fixed tracks once there is room, so the bar never shows an empty sixth cell */
@media (min-width:900px){.specbar-in{grid-template-columns:repeat(5,1fr)}}

/* ---------------- sections ---------------- */
section{padding:70px 0;scroll-margin-top:78px}
section.alt{background:var(--paper);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
section.tight{padding:52px 0}
.section-head{max-width:64ch;margin-bottom:38px}
h2{font-size:clamp(1.55rem,3.1vw,2.05rem);margin-bottom:14px}
.section-head p{font-size:1.05rem;margin:0}
h3{font-size:1.16rem;margin-bottom:8px}
.prose{max-width:70ch}
.prose h2{margin-top:8px}
.prose h3{margin-top:26px}
/* When .prose is also the container, keep the reading measure on the text
   blocks but let grids and tables use the full width. */
.container.prose{max-width:var(--maxw)}
.container.prose > .qa,.container.prose > .todo,.container.prose > p,
.container.prose > ul,.container.prose > h2,.container.prose > h3{max-width:74ch}
.container.prose > .grid,.container.prose > .table-wrap{max-width:none}
.lead-in{font-weight:700;color:var(--green-deep)}

/* ---------------- Q&A blocks (buyer questions as H2) ---------------- */
.qa{border-top:1px solid var(--rule);padding-top:26px;margin-top:34px}
.qa:first-of-type{border-top:0;padding-top:0;margin-top:0}
.qa h2{font-size:clamp(1.3rem,2.4vw,1.6rem)}
.qa p,.qa ul{max-width:70ch}

/* ---------------- cards ---------------- */
.grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:800px){.grid.g2{grid-template-columns:repeat(2,1fr)}.grid.g3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.grid.g3{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border:1px solid var(--rule);border-top:3px solid var(--green);border-radius:var(--radius);padding:26px 26px 22px;box-shadow:var(--shadow)}
.card h3{display:flex;align-items:baseline;gap:10px}
.card .step{font-size:12px;font-weight:800;color:var(--green);letter-spacing:.08em}
.card p:last-child{margin-bottom:0}
.card.link{border-top-color:var(--green);text-decoration:none;display:block;color:inherit}
.card.link:hover{border-color:var(--green);box-shadow:0 1px 2px rgba(0,0,0,.05),0 14px 34px -18px rgba(0,0,0,.4)}
.card.link h3{color:var(--green-deep)}
.card .more{font-weight:700;color:var(--green-dark);font-size:15px;display:inline-block;margin-top:8px}

/* ---------------- product cards ---------------- */
.prod-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:680px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1020px){.prod-grid{grid-template-columns:repeat(3,1fr)}}
.prod{background:#fff;border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.prod-media{aspect-ratio:16/7;background:var(--green-tint);overflow:hidden}
.prod-media img{width:100%;height:100%;object-fit:cover}
.prod-media.placeholder{background:linear-gradient(135deg,var(--green-tint),var(--amber-tint));display:flex;align-items:center;justify-content:center;color:var(--green-deep);font-weight:800;font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.prod-body{padding:22px 24px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.prod-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.prod h3{margin:0;font-size:1.1rem}
.prod h3 a{text-decoration:none;color:var(--green-deep)}
.prod h3 a:hover{text-decoration:underline}
.prod .tag{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--amber-tint);color:var(--amber);padding:4px 9px;border-radius:100px;white-space:nowrap}
.prod .strap{font-size:14px;font-weight:700;color:var(--green-dark);margin:-4px 0 0}
.prod .ingr{font-size:14.5px;margin:0}
.prod .ingr b{color:var(--ink);font-weight:700}
.prod details{margin-top:auto;border-top:1px solid var(--rule);padding-top:12px}
.prod summary,details.faq summary{cursor:pointer;font-size:13.5px;font-weight:700;color:var(--green-deep);list-style:none;padding:4px 0;min-height:44px;display:flex;align-items:center;gap:6px}
summary::-webkit-details-marker{display:none}
.prod summary::after,details.faq summary::after{content:"▾";font-size:11px;margin-left:auto;transition:transform .15s ease}
details[open] summary::after{transform:rotate(180deg)}
.nutri{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:8px}
.nutri caption{text-align:left;font-size:11.5px;color:var(--ink-3);padding-bottom:6px;font-weight:600}
.nutri th,.nutri td{padding:5px 0;border-bottom:1px solid var(--rule);text-align:left;font-weight:400}
.nutri th{color:var(--ink-2);font-weight:400}
.nutri td{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink);font-weight:700;white-space:nowrap}
.nutri tr:last-child th,.nutri tr:last-child td{border-bottom:0}

/* ---------------- spec table ---------------- */
.table-wrap{overflow-x:auto;border:1px solid var(--rule);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.spec-table{width:100%;min-width:560px;border-collapse:collapse;font-size:15.5px}
.spec-table th,.spec-table td{padding:15px 22px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-table th{width:230px;font-weight:800;color:var(--ink);font-size:12px;letter-spacing:.08em;text-transform:uppercase;background:var(--paper)}
.spec-table td{color:var(--ink-2)}
.spec-table td b{color:var(--ink)}

.two-col{display:grid;grid-template-columns:1fr;gap:34px;align-items:start}
/* Grid children default to min-width:auto, which lets a wide table push the
   whole track out and cause horizontal page scroll on narrow screens. */
.two-col > *,.grid > *,.hero-grid > *,.form-grid > *{min-width:0}
@media (min-width:900px){.two-col{grid-template-columns:1fr 1fr;gap:52px}}
.tick{list-style:none;padding:0;margin:0}
.tick li{position:relative;padding-left:30px;margin-bottom:11px;font-size:16px}
.tick li::before{content:"";position:absolute;left:0;top:.52em;width:16px;height:9px;border-left:3px solid var(--green);border-bottom:3px solid var(--green);transform:rotate(-45deg);border-radius:1px}

/* ---------------- markets / chips ---------------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{background:var(--green-tint);border:1px solid var(--green-line);color:var(--green-deep);font-size:13.5px;font-weight:600;padding:7px 14px;border-radius:100px}

/* ---------------- figures, proof imagery ---------------- */
figure{margin:0}
figure.proof,figure.cert-marks{margin:36px 0 0}
figure img{width:100%;height:auto;border-radius:var(--radius)}
figure.proof img{box-shadow:var(--shadow)}
figcaption{font-size:13.5px;line-height:1.5;color:var(--ink-3);margin-top:11px;max-width:74ch}
figure.cert-marks{max-width:640px;background:#fff;border:1px solid var(--rule);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow)}
figure.cert-marks img{border-radius:0}
figure.cert-marks figcaption{margin-top:16px;padding-top:14px;border-top:1px solid var(--rule)}

/* certification key facts */
dl.cert-facts{
  display:grid;grid-template-columns:1fr;gap:1px;background:var(--rule);
  border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden;margin:26px 0 0;max-width:760px;
}
@media (min-width:640px){dl.cert-facts{grid-template-columns:repeat(3,1fr)}}
dl.cert-facts > div{background:#fff;padding:16px 18px 17px}
dl.cert-facts dt{font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
dl.cert-facts dd{margin:0;font-size:15px;line-height:1.45;color:var(--ink)}
dl.cert-facts dd b{color:var(--green-deep)}

/* ---------------- TODO callout ---------------- */
.todo{border:2px dashed var(--amber);background:var(--amber-tint);border-radius:var(--radius);padding:20px 24px;margin:26px 0;font-size:15px;color:#7A4A0D}
.todo b{color:#5E3908}
.todo p:last-child{margin-bottom:0}

/* ---------------- FAQ ---------------- */
details.faq{background:#fff;border:1px solid var(--rule);border-radius:var(--radius);padding:6px 22px;margin-bottom:12px;box-shadow:var(--shadow)}
details.faq summary{font-size:16.5px;padding:12px 0}
details.faq .a{padding:0 0 14px;border-top:1px solid var(--rule);margin-top:4px;padding-top:14px}
details.faq .a p:last-child{margin-bottom:0}

/* ---------------- next steps / related ---------------- */
.related{background:var(--green-tint);border-top:1px solid var(--green-line);padding:56px 0}
.related h2{font-size:1.45rem;margin-bottom:22px}
.rel-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:720px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel{background:#fff;border:1px solid var(--green-line);border-radius:var(--radius);padding:20px 22px;text-decoration:none;color:var(--ink-2);display:block}
.rel:hover{border-color:var(--green);box-shadow:var(--shadow)}
.rel b{display:block;color:var(--green-deep);font-size:16px;margin-bottom:5px}
.rel span{font-size:14.5px;display:block}

/* ---------------- CTA band ---------------- */
.cta-band{background:var(--green-deep);color:rgba(255,255,255,.85);padding:56px 0}
.cta-band h2{color:#fff;max-width:22ch}
.cta-band p{max-width:60ch;font-size:1.05rem}
.cta-band .btn-primary{background:#fff;color:var(--green-deep);border-color:#fff}
.cta-band .btn-primary:hover{background:var(--green-tint);border-color:var(--green-tint)}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ---------------- form ---------------- */
.form-grid{display:grid;grid-template-columns:1fr;gap:44px}
@media (min-width:920px){.form-grid{grid-template-columns:1.15fr .85fr;gap:60px}}
form{background:#fff;border:1px solid var(--rule);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.row2{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:560px){.row2{grid-template-columns:1fr 1fr}}
label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
label .req{color:var(--amber)}
input,select,textarea{width:100%;font-family:var(--font);font-size:16px;color:var(--ink);padding:12px 14px;border:1px solid var(--rule);border-radius:var(--radius);background:#fff}
input:hover,select:hover,textarea:hover{border-color:var(--green-line)}
textarea{min-height:104px;resize:vertical}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px}
.form-foot .btn{border:0}
.privacy-note{font-size:13px;color:var(--ink-3);margin:0;flex:1;min-width:220px}
.contact-block{font-size:16px}
.contact-block h3{margin-bottom:6px}
.contact-block dl{margin:0 0 26px}
.contact-block dt{font-size:11.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);margin-top:16px}
.contact-block dd{margin:3px 0 0;color:var(--ink)}
.contact-block a{font-weight:700}
.contact-block dd .wa{display:inline-flex;align-items:center;gap:9px;text-decoration:none;background:#F1F8ED;border:1px solid var(--green-line);border-radius:var(--radius);padding:9px 15px;margin-top:3px;color:var(--green-deep);font-size:15px}
.contact-block dd .wa:hover{background:#E6F3DD;border-color:var(--green)}
.contact-block dd .wa svg{width:19px;height:19px;fill:#25D366;flex:0 0 auto}

/* ---------------- footer ---------------- */
footer{background:var(--green-deep);color:rgba(255,255,255,.78);padding:56px 0 30px;font-size:14.5px}
footer h4{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:760px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
footer a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
footer a:hover{border-bottom-color:#fff}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:9px}
.legal{border-top:1px solid rgba(255,255,255,.2);margin-top:40px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.62);display:flex;flex-wrap:wrap;gap:8px 24px}
.legal p{margin:0}
.social{display:flex;gap:12px;margin-top:16px}
.social a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.35);border-radius:50%;border-bottom-width:1px}
.social a:hover{background:rgba(255,255,255,.14);border-color:#fff}
.social svg{width:18px;height:18px;fill:#fff}
@media (max-width:900px){
  footer li a,.legal a,.contact-block dd a{display:inline-block;padding:14px 0;line-height:1.2}
  footer li{margin-bottom:0}
  .legal{gap:0 24px}
}