/* ═══════════════════════════════════════
   ABOUT — Kerisite Peptide
   ═══════════════════════════════════════ */

/* ── Breadcrumb (inside hero) ── */
.ab-bc{display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:clamp(24px,3vw,36px)}
.ab-bc a{font-size:.78rem;color:var(--tw-3);transition:color .2s;font-weight:500}
.ab-bc a:hover{color:var(--accent)}
.ab-bc span{font-size:.78rem;color:var(--tw);font-weight:600}
.ab-bc svg{width:10px;height:10px;color:var(--tw-3);flex-shrink:0;opacity:.5}

/* ── Section 1: Hero (Brand Statement) ── */
.ab-hero{position:relative;background:linear-gradient(165deg,var(--hero-1),var(--hero-2) 50%,var(--hero-3));min-height:50vh;display:flex;align-items:center;overflow:hidden;padding:clamp(100px,12vw,120px) 0 80px}
.ab-hero-content{text-align:center;max-width:720px;margin:0 auto}
.ab-hero h1{font-weight:700;font-size:clamp(2rem,4vw,3.2rem);line-height:1.08;letter-spacing:-.04em;color:#fff;margin-top:20px}
.ab-hero h1 span{color:var(--accent)}
.ab-hero-sub{font-size:clamp(.94rem,1.2vw,1.08rem);color:var(--tw-2);line-height:1.85;margin-top:20px;max-width:560px;margin-left:auto;margin-right:auto}

/* Hero BG FX — gentle radial orbs */
.ab-hero-fx{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.ab-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.18;will-change:transform}
.ab-orb-1{width:420px;height:420px;background:var(--accent);top:-10%;left:-8%;animation:abFloat 20s ease-in-out infinite}
.ab-orb-2{width:320px;height:320px;background:#4A8FE7;bottom:-5%;right:-5%;animation:abFloat 25s ease-in-out infinite reverse}
.ab-orb-3{width:200px;height:200px;background:var(--accent);top:40%;right:20%;animation:abFloat 18s ease-in-out infinite 5s}
@keyframes abFloat{0%,100%{transform:translate(0,0)}25%{transform:translate(30px,-20px)}50%{transform:translate(-20px,30px)}75%{transform:translate(20px,20px)}}

/* Glow bar at bottom */
.ab-hero-glow{position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-glow) 20%,var(--accent) 50%,var(--accent-glow) 80%,transparent);opacity:.6}

/* ── Section 2: Company Story (Two-col) ── */
.ab-story{padding:var(--sec) 0;background:var(--white)}
.ab-story-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px);align-items:center}
.ab-story-text p{font-size:.96rem;color:var(--t2);line-height:1.85;margin-top:18px;max-width:520px}
.ab-story-text p:first-of-type{margin-top:24px}
.ab-story-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--sh-lg);position:relative}
.ab-story-img img{width:100%;display:block;aspect-ratio:4/3;object-fit:cover}
.ab-story-img::after{content:'';position:absolute;inset:0;border-radius:var(--radius);border:1px solid rgba(0,212,170,.15)}

/* ── Section 3: Key Numbers ── */
.ab-numbers{padding:clamp(56px,8vw,100px) 0;background:var(--bg);border-top:1px solid var(--b2);border-bottom:1px solid var(--b2)}
.ab-numbers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,40px);text-align:center}
.ab-num-item{padding:20px 12px}
.ab-num-val{font-size:clamp(2.2rem,4vw,3.2rem);font-weight:800;color:var(--accent);letter-spacing:-.04em;line-height:1;margin-bottom:8px}
.ab-num-label{font-size:.86rem;font-weight:500;color:var(--t3);line-height:1.5}

/* ── Section 4: Why Choose Us (Grid Cards) ── */
.ab-why{padding:var(--sec) 0;background:var(--white)}
.ab-why-head{text-align:center;margin-bottom:clamp(40px,6vw,64px)}
.ab-why-head .sec-p{margin-left:auto;margin-right:auto}
.ab-why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ab-why-card{background:var(--bg);border:1px solid var(--b2);border-radius:var(--radius);padding:clamp(28px,3vw,36px);transition:all .4s var(--ease)}
.ab-why-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px);border-color:var(--accent-glow)}
.ab-why-icon{width:48px;height:48px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:18px}
.ab-why-icon svg{width:22px;height:22px;color:var(--accent)}
.ab-why-card h3{font-size:1rem;font-weight:700;color:var(--t1);margin-bottom:10px;letter-spacing:-.01em}
.ab-why-card p{font-size:.88rem;color:var(--t2);line-height:1.75}

/* ── Section 5: Our Process (Timeline) ── */
.ab-process{padding:var(--sec) 0;background:var(--bg)}
.ab-process-head{text-align:center;margin-bottom:clamp(40px,6vw,64px)}
.ab-process-head .sec-p{margin-left:auto;margin-right:auto}
.ab-timeline{position:relative;max-width:680px;margin:0 auto;padding-left:40px}
.ab-timeline::before{content:'';position:absolute;left:15px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--accent-glow),var(--accent),var(--accent-glow))}
.ab-tl-item{position:relative;padding:0 0 clamp(36px,5vw,56px) 32px}
.ab-tl-item:last-child{padding-bottom:0}
.ab-tl-dot{position:absolute;left:-33px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid var(--bg);box-shadow:0 0 0 2px var(--accent),0 0 12px var(--accent-glow);z-index:1}
.ab-tl-step{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:6px}
.ab-tl-item h3{font-size:1.05rem;font-weight:700;color:var(--t1);margin-bottom:8px}
.ab-tl-item p{font-size:.9rem;color:var(--t2);line-height:1.8;max-width:520px}

/* ── Section 6: Facility Tour (Carousel) ── */
.ab-facility{padding:var(--sec) 0;background:var(--white)}
.ab-facility-head{text-align:center;margin-bottom:clamp(40px,6vw,64px)}
.ab-facility-head .sec-p{margin-left:auto;margin-right:auto}
.ab-fac-carousel{position:relative;overflow:hidden}
.ab-fac-track{display:flex;transition:transform .5s var(--ease)}
.ab-fac-slide{flex-shrink:0}
.ab-fac-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10}
.ab-fac-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.ab-fac-card:hover img{transform:scale(1.05)}
.ab-fac-overlay{position:absolute;bottom:0;left:0;right:0;padding:24px 28px;background:linear-gradient(transparent,rgba(23,32,48,.88));color:#fff}
.ab-fac-overlay h3{font-size:.96rem;font-weight:700;margin-bottom:6px}
.ab-fac-overlay p{font-size:.82rem;color:var(--tw-2);line-height:1.65}

/* Carousel nav */
.ab-fac-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px}
.ab-fac-prev,.ab-fac-next{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--b1);background:var(--white);display:grid;place-items:center;cursor:pointer;color:var(--t3);transition:all .25s var(--ease);flex-shrink:0}
.ab-fac-prev:hover,.ab-fac-next:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.ab-fac-prev svg,.ab-fac-next svg{width:16px;height:16px}
.ab-fac-dots{display:flex;gap:6px;align-items:center}
.ab-fac-dot{width:8px;height:8px;border-radius:50%;border:none;background:var(--gray-2);cursor:pointer;padding:0;transition:all .3s var(--ease)}
.ab-fac-dot.active{background:var(--accent);width:24px;border-radius:4px}

/* Facility stats bar */
.ab-fac-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:clamp(28px,4vw,40px);padding:clamp(24px,3vw,32px) 0;border-top:1px solid var(--b2);border-bottom:1px solid var(--b2)}
.ab-fac-stat{display:flex;align-items:center;gap:12px}
.ab-fac-stat svg{width:22px;height:22px;color:var(--accent);flex-shrink:0}
.ab-fac-stat strong{font-size:1.1rem;font-weight:800;color:var(--t1);letter-spacing:-.02em}
.ab-fac-stat span{font-size:.78rem;color:var(--t3);font-weight:500}

/* ── Section 7: Certifications ── */
.ab-certs{padding:clamp(56px,8vw,100px) 0;background:var(--white);border-bottom:1px solid var(--b2)}
.ab-certs-head{text-align:center;margin-bottom:clamp(32px,5vw,48px)}
.ab-certs-row{display:flex;align-items:center;justify-content:center;gap:clamp(28px,5vw,56px);flex-wrap:wrap}
.ab-cert{display:flex;flex-direction:column;align-items:center;gap:12px;min-width:100px}
.ab-cert-icon{width:64px;height:64px;border-radius:16px;background:var(--bg);border:1px solid var(--b2);display:grid;place-items:center;transition:all .3s var(--ease)}
.ab-cert-icon svg{width:28px;height:28px;color:var(--t3);transition:color .3s}
.ab-cert:hover .ab-cert-icon{border-color:var(--accent);background:var(--accent-soft)}
.ab-cert:hover .ab-cert-icon svg{color:var(--accent)}
.ab-cert span{font-size:.78rem;font-weight:600;color:var(--t2);text-align:center;line-height:1.4}

/* ── Section 7: Custom Synthesis CTA (reuse) ── */

/* ── Section 8: Trust Bar (reuse) ── */
.trust-bar{background:var(--bg);border-top:1px solid var(--b2)}
.trust-bar-in{display:flex;align-items:center;justify-content:center;gap:clamp(20px,4vw,48px);padding:clamp(28px,4vw,44px) 0;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:10px;font-size:.86rem;font-weight:500;color:var(--t2)}
.trust-item svg{width:20px;height:20px;color:var(--accent);flex-shrink:0}
.trust-item strong{font-weight:700;color:var(--t1)}

/* ═══ RESPONSIVE ═══ */
@media(max-width:1024px){
  .ab-why-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .ab-story-grid{grid-template-columns:1fr;gap:32px}
  .ab-story-img{order:-1}
  .ab-numbers-grid{grid-template-columns:1fr 1fr}
  .ab-why-grid{grid-template-columns:1fr 1fr}
  .ab-fac-stats{grid-template-columns:1fr 1fr;gap:12px 24px}
}
@media(max-width:640px){
  .ab-hero{min-height:auto}
  .ab-hero h1{font-size:clamp(1.6rem,6vw,2.2rem)}
  .ab-numbers-grid{grid-template-columns:1fr 1fr;gap:12px}
  .ab-num-item{padding:16px 8px}
  .ab-num-val{font-size:clamp(1.8rem,8vw,2.4rem)}
  .ab-why-grid{grid-template-columns:1fr}
  .ab-fac-stats{grid-template-columns:1fr 1fr;gap:14px}
  .ab-fac-stat{gap:10px}
  .ab-fac-stat strong{font-size:1rem}
  .ab-fac-stat span{font-size:.82rem}
  .ab-timeline{padding-left:32px}
  .ab-timeline::before{left:11px}
  .ab-tl-item{padding-left:24px}
  .ab-tl-dot{left:-28px;width:12px;height:12px}
  .ab-certs-row{gap:20px}
  .ab-cert-icon{width:52px;height:52px;border-radius:12px}
  .ab-cert-icon svg{width:22px;height:22px}
  .trust-bar-in{gap:16px 28px}.trust-item{font-size:.78rem}
}

/* ═══ Carousel: initial width before JS ═══ */
.ab-fac-slide{width:calc((100% - 40px) / 3);margin-right:20px}
@media(max-width:1024px){.ab-fac-slide{width:calc((100% - 20px) / 2)}}
@media(max-width:640px){.ab-fac-slide{width:100%;margin-right:0}}