/* StackRx storefront — shop + product pages */
.sf-page-head{padding:8px 0 36px}
.sf-page-head h1{font-family:var(--font-display);font-weight:600;font-size:clamp(42px,5.4vw,72px);letter-spacing:-.025em;line-height:.98;margin:22px 0 16px}
.sf-page-head .sf-lead{max-width:60ch}
.sf-filter{position:sticky;top:var(--sf-head);z-index:30;background:rgba(251,252,249,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-block:1px solid var(--sf-line)}
.sf-filter .sf-wrap{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.sf-seg{display:inline-flex;padding:4px;border-radius:999px;background:var(--sf-mist);border:1px solid var(--sf-line)}
.sf-seg button{height:34px;padding:0 16px;border:0;border-radius:999px;background:none;font-size:14px;font-weight:700;color:var(--sf-ink2);cursor:pointer;white-space:nowrap}
.sf-seg button[aria-pressed="true"]{background:#fff;color:var(--sf-ink);box-shadow:var(--shadow-xs)}
.sf-count{margin-left:auto;font-size:14px;color:var(--sf-ink2);font-weight:600}
.sf-group{padding:48px 0 8px}
.sf-group-head{display:flex;align-items:baseline;gap:8px 18px;flex-wrap:wrap;margin-bottom:22px}
.sf-group-head h2{font-family:var(--font-display);font-size:32px;font-weight:600;letter-spacing:-.015em;margin:0;display:flex;align-items:center;gap:12px}
.sf-group-head h2 i{width:10px;height:10px;border-radius:50%;background:var(--dot)}
.sf-group-head p{margin:0;color:var(--sf-ink2)}
.sf-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.sf-help{margin-top:72px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:24px;align-items:center;background:var(--sf-leaf);border-radius:28px;padding:28px 32px}
.sf-help img{width:48px}
.sf-help h3{font-family:var(--font-display);font-size:26px;font-weight:600;margin:0 0 4px;letter-spacing:-.01em}
.sf-help p{margin:0;color:var(--sf-ink2)}

/* product detail */
.sf-pdp{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(32px,5vw,80px);padding:24px 0 clamp(64px,8vw,104px);align-items:start}
.sf-gallery{position:sticky;top:calc(var(--sf-head) + 24px);display:grid;gap:12px}
.sf-gallery-main{aspect-ratio:1/1;border-radius:32px}
.sf-gallery-main .f-tall{height:72%}.sf-gallery-main .f-slim{height:80%}.sf-gallery-main .f-label{width:74%}.sf-gallery-main .f-sachet{width:58%}.sf-gallery-main .f-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.sf-gallery-main::after{content:"";position:absolute;left:0;right:0;bottom:0;height:22%;background:rgba(255,255,255,.28);pointer-events:none}
.sf-thumbs{display:flex;gap:10px}
.sf-thumb{width:84px;height:84px;padding:0;border-radius:16px;border:1.5px solid transparent;cursor:pointer;overflow:hidden;background:none}
.sf-thumb .sf-st{width:100%;height:100%}
.sf-thumb[aria-pressed="true"]{border-color:var(--sf-ink)}
.sf-buy h1{font-family:var(--font-display);font-size:clamp(40px,4.4vw,60px);font-weight:600;letter-spacing:-.025em;line-height:1;margin:14px 0 12px}
.sf-tagline-lg{font-family:var(--font-display);font-style:italic;font-size:clamp(20px,1.8vw,24px);line-height:1.3;color:var(--sf-eyebrow);margin:0 0 16px}
.sf-buy .sf-rate{margin-bottom:18px;font-size:14px}
.sf-buy .sf-lead{font-size:17px}
.sf-bullets{list-style:none;margin:22px 0 28px;padding:0;display:grid;gap:10px}
.sf-bullets li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;font-weight:600}
.sf-bullets svg{width:20px;height:20px;flex:none;color:#5F8A5A;margin-top:1px}
.sf-opt-label{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--sf-eyebrow);margin:0 0 10px}
.sf-choice{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.sf-plans{display:grid;gap:10px;margin-bottom:18px}
.sf-plan{display:grid;grid-template-columns:22px minmax(0,1fr) auto;gap:14px;align-items:center;width:100%;padding:16px 18px;border:1.5px solid var(--sf-line2);border-radius:18px;background:#fff;cursor:pointer;text-align:left;transition:border-color .15s ease,box-shadow .15s ease}
.sf-plan:hover{border-color:var(--sf-sage)}
.sf-plan[aria-checked="true"]{border-color:var(--sf-ink);box-shadow:0 0 0 4px #EEF4E6}
.sf-plan .r{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--sf-line2);transition:border .15s ease}
.sf-plan[aria-checked="true"] .r{border:6px solid var(--sf-ink)}
.sf-plan b{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:16px}
.sf-plan .pb{font-size:11px;font-weight:700;background:var(--sf-leaf);padding:3px 9px;border-radius:999px;white-space:nowrap}
.sf-plan small{display:block;font-size:13px;color:var(--sf-ink2);margin-top:3px}
.sf-plan .pr{text-align:right;font-size:21px;font-weight:700;white-space:nowrap}
.sf-plan .pr s{font-size:14px;font-weight:500;color:var(--sf-ink3);margin-right:6px}
.sf-plan .pr small{font-size:12px;font-weight:500}
.sf-buy-cta{width:100%;min-height:58px;font-size:16px}
.sf-buy-trust{display:flex;gap:8px 20px;flex-wrap:wrap;justify-content:center;margin-top:16px;font-size:13px;font-weight:600;color:var(--sf-ink2)}
.sf-buy-trust span{display:inline-flex;align-items:center;gap:6px}
.sf-buy-trust svg{width:15px;height:15px;color:#5F8A5A}
.sf-fine{font-size:12.5px;color:var(--sf-ink2);text-align:center;margin:12px 0 0}
.sf-band{border-top:1px solid var(--sf-line)}
.sf-use{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,5vw,80px);align-items:start}
.sf-use-steps{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:u}
.sf-use-steps li{display:grid;grid-template-columns:48px minmax(0,1fr);gap:18px;align-items:center;background:#fff;border:1px solid var(--sf-line);border-radius:20px;padding:18px 22px;font-size:16.5px;font-weight:600;line-height:1.45;counter-increment:u}
.sf-use-steps li::before{content:counter(u);width:44px;height:44px;border-radius:50%;background:var(--sf-leaf);display:grid;place-items:center;font-family:var(--font-display);font-size:19px;font-weight:600}
.sf-facts{margin:0;background:var(--sf-mist);border-radius:24px;padding:10px 26px}
.sf-facts div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--sf-line2)}
.sf-facts div:last-child{border-bottom:0}
.sf-facts dt{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sf-eyebrow);padding-top:2px}
.sf-facts dd{margin:0;font-weight:600}
.sf-inside{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.sf-ing{background:#fff;border:1px solid var(--sf-line);border-radius:24px;padding:26px}
.sf-ing h3{font-family:var(--font-display);font-size:26px;font-weight:600;letter-spacing:-.01em;margin:0 0 8px}
.sf-ing .dose{display:inline-block;font-size:12.5px;font-weight:700;background:var(--sf-mist);border-radius:999px;padding:4px 11px;margin-bottom:14px}
.sf-ing p{margin:0;color:var(--sf-ink2);font-size:15px;text-wrap:pretty}
.sf-expect{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.sf-expect::before{content:"";position:absolute;left:0;right:0;top:9px;height:1.5px;background:var(--sf-line2)}
.sf-expect li{position:relative;padding-top:38px}
.sf-expect li::before{content:"";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--sf-paper);border:5px solid var(--sf-ink)}
.sf-expect b{display:block;font-family:var(--font-display);font-size:22px;font-weight:600;margin-bottom:6px}
.sf-expect p{margin:0;color:var(--sf-ink2);text-wrap:pretty;max-width:34ch}
.sf-quote{background:var(--sf-leaf);border-radius:32px;padding:clamp(32px,5vw,64px);display:grid;gap:22px}
.sf-quote blockquote{margin:0;font-family:var(--font-display);font-size:clamp(26px,2.8vw,38px);line-height:1.25;font-weight:500;letter-spacing:-.012em;max-width:30ch;text-wrap:pretty}
.sf-quote .who{font-size:14.5px;font-weight:700}
.sf-quote .who span{font-weight:500;color:var(--sf-ink2)}
.sf-mbar{position:fixed;left:0;right:0;bottom:0;z-index:55;background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--sf-line);transform:translateY(100%);transition:transform .25s cubic-bezier(.2,.8,.2,1)}
.sf-mbar.show{transform:none}
.sf-mbar .sf-wrap{display:flex;align-items:center;gap:14px;min-height:72px;padding-top:10px;padding-bottom:10px}
.sf-mbar .sf-st{width:48px;height:48px;border-radius:12px;flex:none}
.sf-mbar b{display:block;font-size:15px}
.sf-mbar span span{font-size:13px;color:var(--sf-ink2)}
.sf-mbar .sf-btn{margin-left:auto}

@media(max-width:1100px){.sf-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:960px){.sf-pdp,.sf-use{grid-template-columns:minmax(0,1fr)}.sf-gallery{position:static}.sf-gallery-main{max-width:560px;width:100%}.sf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sf-expect{grid-template-columns:minmax(0,1fr);gap:0}.sf-expect::before{left:9px;right:auto;top:0;bottom:0;width:1.5px;height:auto}.sf-expect li{padding:0 0 28px 44px}}
@media(max-width:620px){.sf-grid{grid-template-columns:minmax(0,1fr)}.sf-help{grid-template-columns:minmax(0,1fr)}.sf-count{display:none}.sf-mbar span span{display:none}}

/* legal + 404 pages */
.lp-wrap{max-width:820px;padding-bottom:clamp(72px,9vw,120px)}
.lp h1{font-family:var(--font-display);font-weight:600;font-size:clamp(38px,4.6vw,56px);letter-spacing:-.02em;line-height:1.04;margin:22px 0 10px}
.lp .lp-meta{color:var(--sf-ink2);font-size:14px;font-weight:600;margin:0 0 36px}
.lp h2{font-family:var(--font-display);font-weight:600;font-size:26px;letter-spacing:-.01em;line-height:1.2;margin:44px 0 12px;padding-top:28px;border-top:1px solid var(--sf-line)}
.lp h3{font-size:17px;font-weight:700;margin:26px 0 8px}
.lp p,.lp li{font-size:16px;line-height:1.7;color:var(--sf-ink2);max-width:68ch}
.lp p{margin:0 0 14px}
.lp ul,.lp ol{margin:0 0 16px;padding-left:22px}
.lp li{margin:6px 0}
.lp strong,.lp b{color:var(--sf-ink)}
.lp a:not(.sf-btn){color:var(--sf-ink)}
.lp mark.lp-todo{background:#F6EDD8;color:#6B4E14;border-radius:4px;padding:0 4px;font-weight:600}
.lp-404{padding-top:clamp(48px,8vw,112px)}
.lp-404 .sf-lead{margin-bottom:28px}
.lp-404-links{display:flex;gap:12px;flex-wrap:wrap}