/* BioBoost Labs+ case study, styled after the live store (Open Sans 800, deep navy, blue pills, orange-red CTA). */
:root {
  --navy: #031647; --navy-2: #0d1a2f; --deep: #0a1424; --ice: #edf4ff; --ice-2: #f5f7fb; --ink: #0d0e37; --text: #1a1a1a; --muted: #5a6478;
  --blue: #2f7ae5; --blue-2: #5aa2ff; --cta: #c8452f; --cta-2: #e05a40; --light: #f3f7ff; --line: rgba(13,14,55,.1);
  --sans: 'Open Sans', Arial, Helvetica, sans-serif; --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --ease: cubic-bezier(.22,1,.36,1); --gut: clamp(18px, 4.5vw, 64px); --max: 1240px;
}
*, *::before, *::after { box-sizing: border-box; }
html { background: #fff; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { margin: 0; font: 400 16px/1.65 var(--sans); color: var(--text); background: #fff; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--sans); margin: 0; letter-spacing: -.01em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; font: 600 11.5px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--cta-2); }
.eyebrow::before { content: ''; width: 28px; height: 1px; background: currentColor; }
.eyebrow--blue { color: var(--blue); }

/* top strip + header (as on the live store) */
.strip { background: linear-gradient(90deg, #0b1d4a, #12306f 50%, #0b1d4a); color: #fff; text-align: center; padding: 9px 16px; font: 700 13px/1.3 var(--sans); }
.hdr { position: sticky; top: 0; z-index: 40; background: #fff; border-bottom: 1px solid var(--line); }
.hdr .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 88px; }
.hdr__logo img { width: 190px; }
.hdr__nav { display: flex; gap: 12px; align-items: center; }
.hdr__nav a { padding: 6px 16px; border-radius: 999px; border: 2px solid var(--blue); color: var(--ink); font: 600 15px/1.2 var(--sans); text-decoration: none; transition: background .3s, color .3s; }
.hdr__nav a:hover { background: var(--blue); color: #fff; }
.hdr__icons { display: flex; gap: 18px; align-items: center; color: var(--ink); }
.hdr__icons svg { width: 19px; height: 19px; }
.hdr__case { padding: 6px 12px; border-radius: 6px; background: var(--ice); color: var(--blue); font: 600 10.5px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
@media (max-width: 1080px) { .hdr__nav { display: none; } }
@media (max-width: 560px) { .hdr .wrap { height: 70px; } .hdr__logo img { width: 150px; } .hdr__icons svg { display: none; } }

/* hero: deep navy with stars, vials with reflections */
.hero { position: relative; overflow: hidden; color: var(--light);
  background: radial-gradient(1200px 600px at 75% 40%, rgba(47,122,229,.22), transparent 60%), radial-gradient(900px 500px at 10% 100%, rgba(47,122,229,.12), transparent 60%), linear-gradient(180deg, #061538, var(--navy-2) 70%, #0a1424); }
.stars { position: absolute; inset: 0; pointer-events: none; opacity: .8;
  background-image: radial-gradient(1px 1px at 12% 18%, #fff 50%, transparent 51%), radial-gradient(1px 1px at 72% 12%, #fff 50%, transparent 51%), radial-gradient(1.5px 1.5px at 38% 62%, #cfe0ff 50%, transparent 51%), radial-gradient(1px 1px at 88% 70%, #fff 50%, transparent 51%), radial-gradient(1px 1px at 55% 30%, #fff 50%, transparent 51%), radial-gradient(1px 1px at 22% 84%, #fff 50%, transparent 51%), radial-gradient(1.2px 1.2px at 93% 38%, #cfe0ff 50%, transparent 51%), radial-gradient(1px 1px at 6% 48%, #fff 50%, transparent 51%);
  background-size: 640px 420px; }
.hero__grid { position: relative; display: grid; grid-template-columns: .95fr 1.05fr; gap: 30px; align-items: center; min-height: min(78svh, 720px); padding: 70px 0 60px; }
.hero h1 { margin-top: 22px; font: 800 clamp(40px, 4.4vw, 64px)/1.08 var(--sans); color: var(--light); }
.hero h1 .bl { color: var(--blue-2); }
.hero h1 .ln { display: block; overflow: hidden; }
.hero h1 .ln > span { display: inline-block; }
.hero__sub { margin: 22px 0 0; color: rgba(243,247,255,.75); font-size: 16.5px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chips span { padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(90,162,255,.45); background: rgba(47,122,229,.08); font: 700 11px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: #cfe0ff; }
.btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.b-cta, .b-ghost { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: 4px; font: 700 13px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: transform .3s var(--ease), background .3s, box-shadow .3s; }
.b-cta { background: var(--cta); color: #fff; border: 0; box-shadow: 0 10px 30px rgba(200,69,47,.35); }
.b-cta:hover { background: var(--cta-2); transform: translateY(-2px); }
.b-ghost { border: 1px solid rgba(243,247,255,.35); color: #fff; background: transparent; }
.b-ghost:hover { border-color: #fff; transform: translateY(-2px); }
.b-ghost--dark { color: var(--ink); border-color: rgba(13,14,55,.25); }
.b-ghost--dark:hover { border-color: var(--ink); }
.vials { position: relative; display: flex; justify-content: center; align-items: flex-end; gap: 6px; height: 460px; }
.vials figure { margin: 0; position: relative; will-change: transform; }
.vials img { width: auto; filter: drop-shadow(0 20px 30px rgba(0,0,0,.45)); }
.vials .refl { position: absolute; left: 0; right: 0; top: 100%; transform: scaleY(-1); opacity: .2; -webkit-mask-image: linear-gradient(to top, #000, transparent 45%); mask-image: linear-gradient(to top, #000, transparent 45%); filter: none; }
.vials .v1 img { height: 300px; } .vials .v2 img { height: 360px; } .vials .v3 img { height: 390px; } .vials .v4 img { height: 300px; }
@media (max-width: 960px) { .hero__grid { grid-template-columns: 1fr; padding-top: 50px; } .vials { height: 320px; } .vials .v1 img, .vials .v4 img { height: 200px; } .vials .v2 img { height: 240px; } .vials .v3 img { height: 270px; } }
@media (max-width: 480px) { .vials .v1, .vials .v4 { display: none; } }

.trust { position: relative; border-top: 1px solid rgba(90,162,255,.15); background: rgba(10,20,36,.6); }
.trust .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-top: 20px; padding-bottom: 22px; }
.trust div { display: flex; gap: 12px; align-items: flex-start; }
.trust svg { flex: none; width: 22px; height: 22px; color: var(--blue-2); margin-top: 2px; }
.trust b { display: block; font: 700 14px/1.3 var(--sans); color: #fff; }
.trust span { font-size: 12.5px; color: rgba(243,247,255,.6); }
@media (max-width: 760px) { .trust .wrap { grid-template-columns: 1fr; } }

/* feature cards */
.feats { padding: clamp(70px, 10vh, 110px) 0; background: #fff; }
.feats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feat { text-align: center; padding: 32px 22px 30px; border-radius: 14px; background: #fff; box-shadow: 0 10px 40px rgba(13,14,55,.08); transition: transform .5s var(--ease), box-shadow .5s var(--ease); }
.feat:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(13,14,55,.14); }
.feat > img { width: 54px; height: 54px; margin: 0 auto 18px; }
.feat h3 { font: 700 21px/1.25 var(--sans); color: var(--ink); }
.feat p { margin: 12px 0 0; font-size: 14.5px; line-height: 1.6; color: #444; }
@media (max-width: 1000px) { .feats__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .feats__grid { grid-template-columns: 1fr; } }

/* top researched products carousel */
.top { padding: clamp(70px, 10vh, 110px) 0; background: var(--ice); overflow: hidden; }
.top h2 { text-align: center; font: 800 clamp(30px, 3.4vw, 46px)/1.15 var(--sans); color: var(--blue); }
.top__sub { text-align: center; margin: 10px auto 40px; color: var(--muted); }
.rail { display: flex; gap: 22px; padding: 10px var(--gut) 30px; cursor: grab; will-change: transform; width: max-content; }
.rail.is-drag { cursor: grabbing; }
.pcard { flex: none; width: 300px; border-radius: 16px; overflow: hidden; background: #fff; box-shadow: 0 12px 34px rgba(13,14,55,.1); transition: transform .5s var(--ease); user-select: none; }
.pcard:hover { transform: translateY(-6px); }
.pcard img { width: 100%; aspect-ratio: 1; object-fit: cover; pointer-events: none; }
.pcard div { padding: 16px 18px 18px; }
.pcard b { display: block; font: 700 16px/1.3 var(--sans); color: var(--ink); }
.pcard span { display: inline-block; margin-top: 8px; font: 700 10.5px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: #1b8a5a; }
.rail__nav { display: flex; justify-content: center; gap: 14px; }
.rail__nav button { width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--blue); color: #fff; display: grid; place-items: center; cursor: pointer; transition: transform .3s; }
.rail__nav button:hover { transform: scale(1.08); }
.rail__nav svg { width: 18px; height: 18px; }
@media (max-width: 560px) { .pcard { width: 240px; } }

/* product page replica */
.pdp { background: linear-gradient(180deg, #061538, var(--navy-2)); color: var(--light); padding: clamp(70px, 10vh, 110px) 0; position: relative; overflow: hidden; }
.pdp__grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.pdp__img { position: relative; border-radius: 16px; overflow: hidden; box-shadow: 0 40px 80px rgba(0,0,0,.45); }
.pdp__badge { position: absolute; top: 16px; right: 16px; width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; text-align: center; background: var(--navy); color: #fff; font: 800 15px/1.1 var(--sans); box-shadow: 0 0 0 3px rgba(255,255,255,.18); }
.pdp__badge small { display: block; font: 700 9px/1 var(--sans); letter-spacing: .1em; opacity: .8; }
.pdp h2 { margin-top: 16px; font: 800 clamp(38px, 4vw, 54px)/1.1 var(--sans); color: var(--light); }
.pdp__desc { margin: 14px 0 0; color: rgba(243,247,255,.75); }
.pdp__price { margin-top: 24px; display: flex; align-items: baseline; gap: 12px; }
.pdp__price small { font: 700 12px/1 var(--sans); letter-spacing: .1em; color: rgba(243,247,255,.6); }
.pdp__price b { font: 800 34px/1 var(--sans); }
.pdp__select { margin-top: 22px; height: 48px; border-radius: 6px; border: 1px solid rgba(243,247,255,.25); display: flex; align-items: center; justify-content: space-between; padding: 0 16px; color: rgba(243,247,255,.8); font-size: 14.5px; }
.pdp__buy { display: flex; gap: 12px; margin-top: 14px; }
.pdp__qty { display: flex; align-items: center; gap: 18px; height: 52px; padding: 0 18px; border-radius: 4px; border: 1px solid rgba(243,247,255,.25); }
.pdp__buy .b-cta { flex: 1; }
.pdp__coa { margin-top: 12px; display: block; text-align: center; padding: 15px; border-radius: 4px; border: 1px solid rgba(243,247,255,.35); font: 700 12.5px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 46px; }
.tabs span { padding: 10px 18px; border-radius: 999px; border: 1px solid rgba(243,247,255,.2); font: 700 11.5px/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: rgba(243,247,255,.8); }
.tabs span.on { background: #fff; color: var(--deep); border-color: #fff; }
@media (max-width: 900px) { .pdp__grid { grid-template-columns: 1fr; } }

/* built on trust */
.btrust { background: var(--navy-2); color: var(--light); padding: clamp(70px, 10vh, 110px) 0; }
.btrust__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.btrust__img { border-radius: 16px; overflow: hidden; }
.btrust__img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 4.4; }
.btrust h2 { font: 800 clamp(34px, 3.6vw, 50px)/1.12 var(--sans); }
.btrust h2 span { color: var(--blue-2); }
.bt { display: grid; grid-template-columns: 50px 1fr; gap: 16px; margin-top: 28px; }
.bt > img { width: 50px; height: 50px; }
.bt b { display: block; font: 700 20px/1.25 var(--sans); }
.bt p { margin: 6px 0 0; color: rgba(243,247,255,.72); font-size: 14.5px; }
@media (max-width: 900px) { .btrust__grid { grid-template-columns: 1fr; } }

/* the case study layer */
.case { background: var(--ice-2); padding: clamp(80px, 12vh, 140px) 0; }
.case__head { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 60px; align-items: end; margin-bottom: clamp(36px, 6vh, 60px); }
.case__head h2 { font: 800 clamp(34px, 4vw, 56px)/1.1 var(--sans); color: var(--ink); }
.case__head h2 span { color: var(--blue); }
.case__head p { margin: 0; color: var(--muted); font-size: 17px; }
.case__head .eyebrow { grid-column: 1 / -1; }
@media (max-width: 860px) { .case__head { grid-template-columns: 1fr; } }
.walls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.wall { border-radius: 14px; padding: 28px 24px; background: #fff; box-shadow: 0 10px 34px rgba(13,14,55,.06); }
.wall .n { font: 600 11px/1 var(--mono); letter-spacing: .14em; color: var(--cta); }
.wall h3 { margin: 14px 0 8px; font: 700 21px/1.25 var(--sans); color: var(--ink); }
.wall p { margin: 0; color: var(--muted); font-size: 14.5px; }
@media (max-width: 860px) { .walls { grid-template-columns: 1fr; } }
.built { list-style: none; margin: 0; padding: 0; counter-reset: b; }
.built li { display: grid; grid-template-columns: 70px 1fr 1.2fr; gap: 12px 34px; padding: 28px 0; border-top: 1px solid var(--line); }
.built li:last-child { border-bottom: 1px solid var(--line); }
.built li::before { counter-increment: b; content: '0' counter(b); font: 600 12px/2.2 var(--mono); letter-spacing: .14em; color: var(--blue); }
.built h3 { font: 700 22px/1.25 var(--sans); color: var(--ink); }
.built p { margin: 0; color: var(--muted); }
.built .tags { grid-column: 3; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.built .tags span { padding: 5px 10px; border-radius: 999px; border: 1.5px solid var(--blue); color: var(--blue); font: 600 11px/1 var(--sans); }
@media (max-width: 860px) { .built li { grid-template-columns: 1fr; } .built .tags { grid-column: 1; } }
.gate { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: center; }
.gate__card { border-radius: 10px; background: #fff; border: 1px solid #e3e8f0; box-shadow: 0 30px 70px rgba(13,14,55,.12); padding: 32px; }
.gate__card h3 { font: 700 26px/1.2 Georgia, serif; color: var(--deep); }
.gate__card p { margin: 8px 0 18px; color: #333; font-size: 15px; }
.gate__card .lab { display: block; margin: 16px 0 10px; font: 600 11px/1 var(--mono); letter-spacing: .16em; color: var(--blue); text-transform: uppercase; }
.gate__card label { display: block; margin: 0 0 6px; font: 600 12.5px/1 var(--sans); color: #222; }
.gate__card .f { height: 44px; border-radius: 6px; border: 1px solid #cfd6e2; background: #f8fafd; margin-bottom: 14px; position: relative; }
.gate__card .f i { position: absolute; left: 12px; top: 12px; width: 2px; height: 20px; background: var(--deep); animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.gate__card .go { display: block; text-align: center; padding: 14px; border-radius: 4px; background: var(--deep); color: #fff; font: 700 14.5px/1 var(--sans); }
.gate ul { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 12px; }
.gate li { position: relative; padding-left: 28px; color: #333; }
.gate li::before { content: ''; position: absolute; left: 0; top: 7px; width: 14px; height: 8px; border-left: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(-45deg); }
@media (max-width: 860px) { .gate { grid-template-columns: 1fr; } }
.rules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.rule { border-radius: 14px; padding: 24px 22px; background: #fff; border-top: 3px solid var(--blue); box-shadow: 0 10px 30px rgba(13,14,55,.06); }
.rule .n { font: 600 11px/1 var(--mono); color: var(--blue); letter-spacing: .14em; }
.rule h3 { margin: 12px 0 8px; font: 700 19px/1.3 var(--sans); color: var(--ink); }
.rule p { margin: 0; color: var(--muted); font-size: 14px; }
@media (max-width: 1000px) { .rules { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .rules { grid-template-columns: 1fr; } }
.res { background: linear-gradient(180deg, #061538, var(--navy-2)); color: var(--light); padding: clamp(80px, 12vh, 130px) 0; }
.res .case__head h2 { color: var(--light); }
.res .case__head h2 span { color: var(--blue-2); }
.res .case__head p { color: rgba(243,247,255,.72); }
.res__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.res__grid div { border-radius: 14px; padding: 26px 22px; border: 1px solid rgba(90,162,255,.25); background: rgba(47,122,229,.06); }
.res__grid b { display: block; font: 800 30px/1.1 var(--sans); color: #fff; }
.res__grid span { display: block; margin-top: 10px; color: rgba(243,247,255,.72); font-size: 14.5px; }
@media (max-width: 860px) { .res__grid { grid-template-columns: 1fr; } }
.close { text-align: center; padding: clamp(90px, 14vh, 160px) var(--gut) calc(clamp(80px, 12vh, 120px) + 60px); background: #fff; }
.close h2 { max-width: 15em; margin: 18px auto 0; font: 800 clamp(34px, 4.6vw, 64px)/1.1 var(--sans); color: var(--ink); }
.close h2 span { color: var(--blue); }
.close p { max-width: 36em; margin: 20px auto 0; color: var(--muted); font-size: 17px; }
.close .btns { justify-content: center; }
.foot { padding: 24px var(--gut) 100px; border-top: 1px solid var(--line); text-align: center; font: 500 12px/1.6 var(--sans); color: var(--muted); }

/* entrance */
.bb-intro { position: fixed; inset: 0; z-index: 2147483000; display: grid; place-items: center; overflow: hidden; background: linear-gradient(180deg, #061538, var(--navy-2)); }
.bb-intro .stars { opacity: 0; }
.bb-intro__logo { position: relative; width: min(320px, 70vw); padding: 18px 26px; border-radius: 14px; background: #fff; opacity: 0; }
.bb-intro__scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--blue-2); box-shadow: 0 0 24px var(--blue-2); opacity: 0; }
.bb-intro__label { position: absolute; left: 50%; bottom: 14%; transform: translateX(-50%); font: 600 12px/1 var(--mono); letter-spacing: .3em; text-transform: uppercase; color: #cfe0ff; white-space: nowrap; opacity: 0; }
@media (prefers-reduced-motion: reduce) { .gate__card .f i { animation: none; } }