/* ═══════════════════════════════════════════
   BioFluid D-32 Landing Page
   ═══════════════════════════════════════════ */

/* Tokens */
.bf-landing {
  --bf-bg: #F5F4F0;
  --bf-bg-alt: #ECEAE4;
  --bf-bg-dark: #0B1D33;
  --bf-bg-darker: #06111F;
  --bf-bg-card: #FFFFFF;
  --bf-text: #1A1D26;
  --bf-text-mid: #4A5064;
  --bf-text-muted: #7C8294;
  --bf-text-light: #F0EDE8;
  --bf-text-light-mid: #9EAABB;
  --bf-accent: #FF6A00;
  --bf-accent-hover: #E55A00;
  --bf-accent-glow: rgba(255,106,0,0.15);
  --bf-navy: #0B1D33;
  --bf-green-wa: #25D366;
  --bf-display: 'Nunito', 'Segoe UI', Roboto, sans-serif;
  --bf-body: 'Inter', system-ui, sans-serif;
  --bf-max: 1140px;
  --bf-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.bf-landing *,.bf-landing *::before,.bf-landing *::after{box-sizing:border-box}
.bf-landing{color:var(--bf-text);font-family:var(--bf-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.bf-landing img{max-width:100%;display:block}
.bf-landing a{text-decoration:none}
.bf-wrap{max-width:var(--bf-max);margin:0 auto;padding:0 28px}
.bf-landing h1,.bf-landing h2,.bf-landing h3{font-family:var(--bf-display);font-weight:700;text-wrap:balance}
.bf-eyebrow{font-family:var(--bf-body);font-size:11px;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;color:var(--bf-accent)}

/* Reveal */
.bf-landing [data-reveal]{opacity:0;transition:opacity 0.8s var(--bf-ease),transform 0.8s var(--bf-ease)}
.bf-landing [data-reveal="up"]{transform:translateY(50px)}
.bf-landing [data-reveal="left"]{transform:translateX(-60px)}
.bf-landing [data-reveal="right"]{transform:translateX(60px)}
.bf-landing [data-reveal="scale"]{transform:scale(0.92)}
.bf-landing [data-reveal="fade"]{transform:none}
.bf-landing [data-reveal].is-visible{opacity:1;transform:none}
.bf-landing [data-delay="1"]{transition-delay:.12s}
.bf-landing [data-delay="2"]{transition-delay:.24s}
.bf-landing [data-delay="3"]{transition-delay:.36s}
.bf-landing [data-delay="4"]{transition-delay:.48s}
.bf-landing [data-delay="5"]{transition-delay:.60s}
@media(prefers-reduced-motion:reduce){
  .bf-landing [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
}

/* Buttons */
.bf-btn{display:inline-flex;align-items:center;gap:8px;padding:15px 34px;font-family:var(--bf-body);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;border:none;border-radius:4px;cursor:pointer;transition:all .25s var(--bf-ease)}
.bf-btn:active{transform:scale(.97)}
.bf-btn--fill{background:var(--bf-accent);color:#fff}
.bf-btn--fill:hover{background:var(--bf-accent-hover)}
.bf-btn--outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.35)}
.bf-btn--outline:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.bf-btn--ghost{background:transparent;color:var(--bf-text);border:1.5px solid var(--bf-text-muted);padding:11px 26px;font-size:12px}
.bf-btn--ghost:hover{border-color:var(--bf-accent);color:var(--bf-accent)}
.bf-btn--wa{background:var(--bf-green-wa);color:#fff}
.bf-btn--wa:hover{background:#1fba5e}

/* S1 — Hero */
.bf-hero{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:flex-end;padding-bottom:clamp(60px,10vh,120px);overflow:hidden;background:var(--bf-bg-darker)}
.bf-hero__bg{position:absolute;inset:0;background:linear-gradient(160deg,#0B2A4A 0%,#061422 60%,#0A0E14 100%)}
.bf-hero__overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(6,17,31,.95) 0%,rgba(6,17,31,.93) 35%,rgba(6,17,31,.5) 42%,rgba(6,17,31,.08) 50%,transparent 55%)}
.bf-hero__noise{position:absolute;inset:0;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.bf-hero__glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,0,.08) 0%,transparent 70%);top:10%;right:-5%;pointer-events:none}
.bf-hero__content{position:relative;z-index:2;width:40%;max-width:460px;padding:0 0 0 5vw;margin-right:auto}
.bf-hero__badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:100px;border:1px solid rgba(255,106,0,.3);background:rgba(255,106,0,.08);font-size:11px;font-weight:600;letter-spacing:.06em;color:#FF8A3D;margin-bottom:28px}
.bf-hero h1{font-size:clamp(38px,6vw,64px);line-height:1;color:var(--bf-text-light);margin-bottom:20px;font-weight:800}
.bf-hero h1 em{font-style:normal;color:var(--bf-accent);font-weight:800}
.bf-hero__sub{font-size:clamp(15px,1.8vw,18px);color:var(--bf-text-light-mid);max-width:100%;line-height:1.7;margin-bottom:36px}
.bf-hero__sub strong{color:var(--bf-text-light);font-weight:500}
.bf-hero__ctas{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.bf-hero__scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--bf-text-light-mid);font-size:10px;letter-spacing:.16em;text-transform:uppercase;z-index:2}
.bf-hero__scroll-bar{width:1px;height:48px;position:relative;overflow:hidden}
.bf-hero__scroll-bar::after{content:'';position:absolute;top:-100%;left:0;width:1px;height:100%;background:linear-gradient(to bottom,transparent,var(--bf-text-light-mid));animation:bf-scrollbar 2s var(--bf-ease) infinite}
@keyframes bf-scrollbar{0%{top:-100%}100%{top:100%}}
.bf-hero__image{position:absolute;inset:0;z-index:0}
.bf-hero__image img{width:100%;height:100%;object-fit:cover;object-position:75% center}
@media(prefers-reduced-motion:reduce){.bf-hero__scroll-bar::after{animation:none;top:0;opacity:.4}}

/* S2 — Value */
.bf-value{padding:clamp(80px,12vw,160px) 0;background:var(--bf-bg)}
.bf-value__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,5vw,80px);align-items:center}
.bf-value__text h2{font-size:clamp(32px,4vw,52px);line-height:1.1;margin:14px 0 20px;color:var(--bf-text)}
.bf-value__text h2 em{font-style:normal;color:var(--bf-accent)}
.bf-value__text p{font-size:17px;color:var(--bf-text-mid);max-width:500px;line-height:1.7}
.bf-value__image{position:relative;aspect-ratio:4/3;border-radius:8px;overflow:hidden;background:var(--bf-bg-alt)}
.bf-value__image img{width:100%;height:100%;object-fit:cover}
.bf-value__points{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.bf-vp{display:flex;flex-direction:column;gap:6px}
.bf-vp__icon{width:36px;height:36px;border-radius:6px;background:var(--bf-accent-glow);display:grid;place-items:center;color:var(--bf-accent)}
.bf-vp__title{font-size:13px;font-weight:600;color:var(--bf-text)}
.bf-vp__desc{font-size:12px;color:var(--bf-text-muted);line-height:1.5}
@media(max-width:800px){
  .bf-value__grid{grid-template-columns:1fr}
  .bf-value__image{order:-1}
  .bf-value__points{grid-template-columns:1fr}
}

/* S3 — Concept */
.bf-concept{padding:clamp(80px,10vw,140px) 0;background:var(--bf-bg-alt);overflow:hidden}
.bf-concept__inner{max-width:680px;margin:0 auto;text-align:center}
.bf-concept h2{font-size:clamp(28px,4vw,44px);line-height:1.15;color:var(--bf-text);margin:14px 0 24px}
.bf-concept p{font-size:16px;color:var(--bf-text-mid);line-height:1.7;margin-bottom:16px}
.bf-concept__video{margin-top:48px;position:relative;width:100%;padding-bottom:56.25%;border-radius:12px;overflow:hidden;box-shadow:0 8px 40px rgba(0,0,0,.12)}
.bf-concept__video iframe{position:absolute;inset:0;width:100%;height:100%;border:none}

/* S4 — Clients */
.bf-clients{padding:clamp(80px,10vw,140px) 0;background:var(--bf-bg-dark);color:var(--bf-text-light)}
.bf-clients h2{font-size:clamp(32px,4vw,48px);color:var(--bf-text-light)}
.bf-clients__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-top:48px}
.bf-cc{position:relative;padding:clamp(32px,4vw,52px) clamp(24px,3vw,40px);background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.04);transition:background .4s var(--bf-ease);overflow:hidden;cursor:default}
.bf-cc::before{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--bf-accent);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--bf-ease)}
.bf-cc:hover{background:rgba(255,255,255,.055)}
.bf-cc:hover::before{transform:scaleX(1)}
.bf-cc__icon{width:44px;height:44px;margin-bottom:20px;color:var(--bf-accent);opacity:.75}
.bf-cc h3{font-size:clamp(24px,3vw,30px);margin-bottom:10px}
.bf-cc p{font-size:14px;color:var(--bf-text-light-mid);line-height:1.6;margin-bottom:20px}
.bf-cc__list{list-style:none;display:flex;flex-direction:column;gap:7px;max-height:0;overflow:hidden;opacity:0;transition:max-height .5s var(--bf-ease),opacity .4s ease .1s}
.bf-cc:hover .bf-cc__list{max-height:200px;opacity:1}
.bf-cc__list li{font-size:12px;color:var(--bf-text-light-mid);padding-left:14px;position:relative}
.bf-cc__list li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:1.5px;background:var(--bf-accent)}
@media(max-width:800px){
  .bf-clients__grid{grid-template-columns:1fr}
  .bf-cc__list{max-height:none;opacity:1}
}
@media(prefers-reduced-motion:reduce){.bf-cc::before,.bf-cc__list{transition:none}}

/* S5 — Quality */
.bf-quality{padding:clamp(100px,14vw,200px) 0;background:var(--bf-bg);text-align:center;overflow:hidden}
.bf-quality__big{font-family:var(--bf-display);font-size:clamp(80px,18vw,220px);line-height:.85;color:var(--bf-text);margin-bottom:12px;letter-spacing:-.02em;font-weight:800}
.bf-quality__pct{font-size:.45em;color:var(--bf-accent);vertical-align:super}
.bf-quality__label{font-size:clamp(14px,2vw,18px);font-weight:600;letter-spacing:.04em;color:var(--bf-text-mid);margin-bottom:clamp(48px,6vw,80px)}
.bf-quality__iso{display:inline-block;margin-bottom:12px}
.bf-quality__iso-text{font-family:var(--bf-display);font-size:clamp(40px,6vw,72px);line-height:1;color:var(--bf-text)}
.bf-quality__iso-desc{font-size:15px;color:var(--bf-text-mid);max-width:480px;margin:12px auto 0;line-height:1.7}
.bf-quality__dl{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:48px}

/* S6 — Products */
.bf-products{padding:clamp(80px,10vw,140px) 0;background:var(--bf-bg-alt)}
.bf-products h2{font-size:clamp(32px,4vw,48px);margin:14px 0 8px;color:var(--bf-text)}
.bf-products__sub{font-size:16px;color:var(--bf-text-mid);max-width:520px;margin-bottom:48px}
.bf-products__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.bf-pc{background:var(--bf-bg-card);border-radius:8px;overflow:hidden;border:1px solid rgba(0,0,0,.05);transition:transform .3s var(--bf-ease),box-shadow .3s var(--bf-ease)}
.bf-pc:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.1)}
.bf-pc__img{aspect-ratio:1;background:var(--bf-bg-alt);display:grid;place-items:center;position:relative;overflow:hidden}
.bf-pc__img img{width:100%;height:100%;object-fit:contain}
.bf-pc__vol{position:absolute;top:10px;right:10px;background:var(--bf-bg-darker);color:var(--bf-text-light);font-size:10px;font-weight:700;padding:3px 10px;border-radius:100px;letter-spacing:.04em}
.bf-pc__body{padding:18px}
.bf-pc__name{font-family:var(--bf-display);font-size:19px;color:var(--bf-text);margin-bottom:4px}
.bf-pc__desc{font-size:12px;color:var(--bf-text-muted);line-height:1.5;margin-bottom:14px}
.bf-pc__link{font-size:12px;font-weight:600;color:var(--bf-accent);display:inline-flex;align-items:center;gap:4px;transition:gap .25s var(--bf-ease)}
.bf-pc__link:hover{gap:8px}
@media(prefers-reduced-motion:reduce){.bf-pc{transition:none}.bf-pc:hover{transform:none}.bf-pc__link{transition:none}}
@media(max-width:500px){.bf-products__grid{grid-template-columns:1fr 1fr}}
@media(max-width:360px){.bf-products__grid{grid-template-columns:1fr}}

/* S7 — Compat */
.bf-compat{padding:clamp(80px,10vw,140px) 0;background:var(--bf-bg-darker);color:var(--bf-text-light)}
.bf-compat h2{font-size:clamp(32px,4vw,48px);color:var(--bf-text-light);margin:14px 0 8px}
.bf-compat__sub{font-size:15px;color:var(--bf-text-light-mid);max-width:500px;margin-bottom:48px}
.bf-compat__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.bf-cx{padding:28px 20px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05);border-radius:6px;transition:background .3s,border-color .3s}
.bf-cx:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.1)}
.bf-cx__icon{color:var(--bf-accent);margin-bottom:14px;opacity:.7}
.bf-cx h3{font-family:var(--bf-display);font-size:18px;color:var(--bf-text-light);margin-bottom:6px}
.bf-cx p{font-size:12px;color:var(--bf-text-light-mid);line-height:1.5}

/* S8 — Coverage */
.bf-coverage{padding:clamp(80px,10vw,140px) 0;background:var(--bf-bg)}
.bf-coverage h2{font-size:clamp(32px,4vw,48px);color:var(--bf-text);margin:14px 0 0}
.bf-coverage__layout{margin-top:48px}
.bf-coverage__header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;margin-bottom:28px}
.bf-coverage__stat{display:flex;align-items:baseline;gap:14px}
.bf-coverage__num{font-family:var(--bf-display);font-size:52px;line-height:1;color:var(--bf-accent)}
.bf-coverage__numtext{font-size:15px;color:var(--bf-text-mid);line-height:1.4}
.bf-coverage__tabs{display:flex;gap:6px;flex-wrap:wrap}
.bf-dept-tab{padding:8px 18px;border:1.5px solid var(--bf-text-muted);border-radius:100px;background:transparent;color:var(--bf-text-mid);font-family:var(--bf-body);font-size:12px;font-weight:600;letter-spacing:.03em;cursor:pointer;transition:all .25s var(--bf-ease)}
.bf-dept-tab:hover{border-color:var(--bf-accent);color:var(--bf-accent)}
.bf-dept-tab.is-active{background:var(--bf-accent);border-color:var(--bf-accent);color:#fff}
.bf-coverage__list{display:flex;flex-direction:column;gap:0}
.bf-pv{display:flex;align-items:center;gap:16px;padding:18px 20px;border-bottom:1px solid rgba(0,0,0,.06);transition:background .2s}
.bf-pv:first-child{border-top:1px solid rgba(0,0,0,.06)}
.bf-pv:hover{background:var(--bf-bg-alt)}
.bf-pv.is-hidden{display:none}
.bf-pv__badge{flex-shrink:0;font-size:10px;font-weight:700;letter-spacing:.06em;color:var(--bf-accent);background:var(--bf-accent-glow);padding:4px 12px;border-radius:100px;text-transform:uppercase}
.bf-pv__info{flex:1;min-width:0}
.bf-pv__name{font-family:var(--bf-display);font-size:16px;font-weight:700;color:var(--bf-text)}
.bf-pv__company{font-size:12px;color:var(--bf-text-muted);margin-top:2px}
.bf-pv__address{font-size:13px;color:var(--bf-text-mid);margin-top:4px;line-height:1.4}
.bf-pv__map{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--bf-accent-glow);display:grid;place-items:center;color:var(--bf-accent);transition:background .2s,transform .2s}
.bf-pv__map:hover{background:var(--bf-accent);color:#fff;transform:scale(1.1)}
@media(max-width:600px){
  .bf-coverage__header{flex-direction:column;align-items:flex-start}
  .bf-pv{flex-wrap:wrap;gap:10px}
  .bf-pv__badge{order:-1}
}

/* S9 — CTA Final */
.bf-cta-final{padding:clamp(100px,14vw,180px) 0;background:var(--bf-bg-dark);color:var(--bf-text-light);text-align:center}
.bf-cta-final h2{font-size:clamp(36px,5.5vw,64px);line-height:1.05;margin-bottom:8px}
.bf-cta-final__accent{font-family:var(--bf-display);font-style:normal;font-weight:800;font-size:clamp(28px,4vw,52px);color:var(--bf-accent);display:block;margin-bottom:40px}
.bf-cta-final__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.bf-cta-final__contact{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;font-size:13px;color:var(--bf-text-light-mid)}
.bf-cta-final__contact a{color:var(--bf-text-light-mid);transition:color .2s}
.bf-cta-final__contact a:hover{color:var(--bf-text-light)}

/* WA float */
.bf-wa-float{position:fixed;bottom:24px;right:24px;width:54px;height:54px;background:var(--bf-green-wa);border-radius:50%;display:grid;place-items:center;color:#fff;z-index:99;box-shadow:0 4px 20px rgba(37,211,102,.3);transition:transform .2s}
.bf-wa-float:hover{transform:scale(1.08)}
@media(prefers-reduced-motion:reduce){.bf-wa-float{transition:none}.bf-wa-float:hover{transform:none}}

/* S7b — Brands */
.bf-brands{padding:clamp(80px,10vw,140px) 0;background:var(--bf-bg-dark);color:var(--bf-text-light)}
.bf-brands h2{font-size:clamp(32px,4vw,48px);color:var(--bf-text-light);margin:14px 0 8px}
.bf-brands__sub{font-size:15px;color:var(--bf-text-light-mid);max-width:560px;margin-bottom:36px}
.bf-brands__tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:32px}
.bf-brand-tab{padding:8px 16px;border:1.5px solid rgba(255,255,255,.15);border-radius:100px;background:transparent;color:var(--bf-text-light-mid);font-family:var(--bf-body);font-size:12px;font-weight:600;letter-spacing:.03em;cursor:pointer;transition:all .25s var(--bf-ease)}
.bf-brand-tab:hover{border-color:var(--bf-accent);color:var(--bf-accent)}
.bf-brand-tab.is-active{background:var(--bf-accent);border-color:var(--bf-accent);color:#fff}
.bf-brands__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}
.bf-bcard{padding:20px 24px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:8px;transition:background .3s,border-color .3s}
.bf-bcard:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}
.bf-bcard.is-hidden{display:none}
.bf-bcard__brand{font-family:var(--bf-display);font-size:17px;font-weight:700;color:var(--bf-text-light);margin-bottom:6px}
.bf-bcard__models{font-size:13px;color:var(--bf-text-light-mid);line-height:1.6}
@media(max-width:600px){.bf-brands__grid{grid-template-columns:1fr}}