.jc-api{
  --ink:#091310;
  --ink-2:#15211e;
  --teal:#00a98f;
  --teal-dark:#007e6b;
  --mint:#e9f9f5;
  --soft:#f6faf9;
  --line:#dce9e5;
  --muted:#5c6965;
  --white:#fff;
  font-family:Inter,Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  overflow:hidden;
}
.jc-api *{box-sizing:border-box}
.jc-api a{color:inherit;text-decoration:none}
.jc-api h1,.jc-api h2,.jc-api h3,.jc-api p{margin-top:0}
.jc-wrap{width:min(1240px,calc(100% - 48px));margin:auto}
.jc-section{padding:clamp(86px,9vw,140px) 0;position:relative;background:#fff}
.jc-kicker{display:flex;align-items:center;gap:10px;margin-bottom:20px;color:var(--teal-dark);font-size:.69rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.jc-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);flex:none}
.jc-api h1{font-size:clamp(2.7rem,5.15vw,5.45rem);line-height:.95;letter-spacing:-.057em;margin-bottom:25px}
.jc-api h2{font-size:clamp(1.95rem,3.35vw,3.65rem);line-height:1.03;letter-spacing:-.045em;margin-bottom:21px}
.jc-api h3{font-size:clamp(1.02rem,1.35vw,1.32rem);line-height:1.18;letter-spacing:-.027em}
.jc-api p{color:var(--muted);font-size:.9rem;line-height:1.68}
.jc-lead{max-width:720px;font-size:clamp(.96rem,1.05vw,1.08rem)!important}
.jc-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:29px}
.jc-btn{min-height:52px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:16px;border-radius:999px;background:var(--ink);color:#fff!important;border:1px solid var(--ink);font-size:.84rem;font-weight:800;transition:transform .25s,background .25s,border-color .25s}
.jc-btn:hover{transform:translateY(-3px);background:var(--teal-dark);border-color:var(--teal-dark)}
.jc-btn--teal{background:var(--teal);border-color:var(--teal)}
.jc-btn--light{background:#fff;color:var(--ink)!important}
.jc-arrow{font-size:1.08rem}
.jc-tag{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:999px;background:rgba(255,255,255,.95);box-shadow:0 12px 35px rgba(9,70,58,.1);font-size:.67rem;font-weight:800}
.jc-tag:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
.jc-text-link{display:inline-flex;align-items:center;gap:9px;color:var(--teal-dark)!important;font-size:.82rem;font-weight:800}

/* HERO */
.jc-hero{padding:clamp(68px,8vw,110px) 0 72px;background:linear-gradient(180deg,#fff 0%,#fff 66%,#f3fbf9 100%);position:relative}
.jc-hero:before{content:"";position:absolute;width:540px;height:540px;right:-270px;top:-250px;border-radius:50%;border:1px solid rgba(0,169,143,.16);box-shadow:0 0 0 72px rgba(0,169,143,.025),0 0 0 144px rgba(0,169,143,.014)}
.jc-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(52px,7vw,95px);align-items:center;position:relative;z-index:1}
.jc-hero-copy p{max-width:650px}
.jc-hero-proof{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:26px}
.jc-hero-proof span{font-size:.7rem;color:var(--muted);font-weight:700}
.jc-hero-proof span:before{content:"✓";color:var(--teal);margin-right:7px;font-weight:900}

/* INTEGRATION VISUAL */
.jc-int-ui{position:relative;min-height:540px;display:grid;place-items:center}
.jc-int-core{width:165px;height:165px;border-radius:50%;display:grid;place-items:center;text-align:center;background:var(--teal);color:#fff;font-weight:850;font-size:.92rem;line-height:1.25;padding:24px;box-shadow:0 25px 60px rgba(0,169,143,.24);z-index:2;position:relative}
.jc-system{position:absolute;width:175px;padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 45px rgba(8,69,57,.1)}
.jc-system b{display:block;color:var(--teal);font-size:.55rem;letter-spacing:.09em;margin-bottom:7px}
.jc-system strong{display:block;font-size:.78rem;margin-bottom:5px}
.jc-system span{display:block;color:var(--muted);font-size:.58rem;line-height:1.45}
.jc-s1{left:2%;top:42px}.jc-s2{right:2%;top:42px}.jc-s3{left:0;bottom:62px}.jc-s4{right:0;bottom:62px}
.jc-line-link{position:absolute;background:rgba(0,169,143,.2);height:1px;transform-origin:left center}
.jc-l1{width:160px;left:145px;top:155px;transform:rotate(22deg)}
.jc-l2{width:160px;right:145px;top:155px;transform:rotate(-22deg)}
.jc-l3{width:160px;left:145px;bottom:160px;transform:rotate(-22deg)}
.jc-l4{width:160px;right:145px;bottom:160px;transform:rotate(22deg)}
.jc-hero-tag{position:absolute;z-index:4}
.jc-htag1{left:5%;top:245px}.jc-htag2{right:5%;top:245px}

/* SUBNAV */
.jc-subnav{border-bottom:1px solid var(--line);background:#fff}
.jc-subnav-track{display:flex;gap:26px;overflow:auto;padding:17px 0;scrollbar-width:none}
.jc-subnav-track::-webkit-scrollbar{display:none}
.jc-subnav a{font-size:.73rem;color:var(--muted);font-weight:700;white-space:nowrap}
.jc-subnav a:hover{color:var(--teal-dark)}

/* WHAT */
.jc-what-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(55px,8vw,115px);align-items:start}
.jc-sticky{position:sticky;top:108px}
.jc-definition{padding:36px;border-radius:28px;background:var(--soft);border:1px solid var(--line)}
.jc-definition>strong{display:block;font-size:1.08rem;line-height:1.35;margin-bottom:14px}
.jc-definition p:last-child{margin-bottom:0}
.jc-api-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:28px}
.jc-api-flow span{padding:14px 10px;border-radius:14px;background:#fff;border:1px solid var(--line);font-size:.65rem;font-weight:760;text-align:center}
.jc-api-flow span:before{content:"";display:block;width:7px;height:7px;border-radius:50%;background:var(--teal);margin:0 auto 8px}

/* PROBLEMS */
.jc-problems{background:var(--soft)}
.jc-head-grid{display:grid;grid-template-columns:1fr .82fr;gap:70px;align-items:end;margin-bottom:55px}
.jc-head-grid p{margin:0}
.jc-problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.jc-problem-card{padding:27px;border-radius:24px;background:#fff;border:1px solid var(--line);min-height:245px}
.jc-problem-card b{display:block;color:var(--teal);font-size:.63rem;letter-spacing:.1em;margin-bottom:44px}
.jc-problem-card strong{display:block;font-size:.97rem;margin-bottom:8px}
.jc-problem-card p{font-size:.8rem;margin:0}

/* SYSTEMS */
.jc-systems-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:clamp(55px,8vw,110px);align-items:start}
.jc-systems-intro{position:sticky;top:108px}
.jc-systems-list{counter-reset:systems}
.jc-system-item{counter-increment:systems;display:grid;grid-template-columns:58px 1fr 42px;gap:18px;align-items:start;padding:29px 0;border-top:1px solid var(--line)}
.jc-system-item:last-child{border-bottom:1px solid var(--line)}
.jc-system-item:before{content:"0" counter(systems);width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--mint);color:var(--teal-dark);font-size:.64rem;font-weight:850}
.jc-system-item h3{margin:2px 0 9px}
.jc-system-item p{font-size:.84rem;margin:0}
.jc-go{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--soft);transition:.25s}
.jc-system-item:hover .jc-go{background:var(--teal);color:#fff;transform:rotate(-35deg)}

/* EXAMPLES */
.jc-examples{background:var(--ink);color:#fff}
.jc-examples .jc-kicker{color:#7ee2d1}
.jc-examples h2{color:#fff}
.jc-examples p{color:rgba(255,255,255,.68)}
.jc-examples-head{max-width:820px;margin-bottom:48px}
.jc-example-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.jc-example-card{padding:26px;border-radius:23px;background:#10231f;border:1px solid rgba(255,255,255,.08);min-height:270px}
.jc-example-card b{display:block;color:#7ee2d1;font-size:.61rem;letter-spacing:.1em;margin-bottom:38px}
.jc-example-card strong{display:block;color:#fff;font-size:.93rem;margin-bottom:7px}
.jc-example-card p{font-size:.78rem;margin:0}

/* METHODS */
.jc-method-head{max-width:850px;margin-bottom:48px}
.jc-method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.jc-method-card{padding:29px;border-radius:24px;background:var(--soft);border:1px solid var(--line);min-height:340px}
.jc-method-card b{display:block;color:var(--teal);font-size:.63rem;letter-spacing:.1em;margin-bottom:50px}
.jc-method-card strong{display:block;font-size:.98rem;margin-bottom:9px}
.jc-method-card p{font-size:.8rem}
.jc-method-card .jc-use{margin-top:20px;padding-top:14px;border-top:1px solid var(--line);font-size:.72rem;color:var(--muted)}
.jc-method-card .jc-use span{color:var(--ink);font-weight:800}

/* PROCESS */
.jc-process{background:var(--soft)}
.jc-process-head{display:grid;grid-template-columns:1fr .85fr;gap:70px;align-items:end;margin-bottom:58px}
.jc-process-head p{margin:0}
.jc-process-path{display:grid;grid-template-columns:repeat(5,1fr);position:relative}
.jc-process-path:before{content:"";position:absolute;left:0;right:0;top:25px;height:1px;background:var(--line)}
.jc-process-step{padding-right:24px}
.jc-process-step+.jc-process-step{padding-left:24px;border-left:1px solid var(--line)}
.jc-process-step b{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);font-size:.66rem;margin-bottom:50px;position:relative;z-index:1}
.jc-process-step strong{display:block;font-size:.92rem;margin-bottom:8px}
.jc-process-step p{font-size:.77rem}

/* RELIABILITY */
.jc-reliable-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:75px;align-items:start}
.jc-reliable-copy p{max-width:560px}
.jc-reliable-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.jc-reliable-card{padding:25px;border-radius:22px;background:var(--soft);border:1px solid var(--line)}
.jc-reliable-card b{display:block;color:var(--teal);font-size:.61rem;letter-spacing:.1em;margin-bottom:28px}
.jc-reliable-card strong{display:block;font-size:.91rem;margin-bottom:6px}
.jc-reliable-card p{font-size:.78rem;margin:0}

/* FAQ */
.jc-faq-section{border-top:1px solid var(--line)}
.jc-faq-head{max-width:780px;margin-bottom:46px}
.jc-faq{max-width:980px}
.jc-faq-item{border-top:1px solid var(--line)}
.jc-faq-item:last-child{border-bottom:1px solid var(--line)}
.jc-faq-question{width:100%;padding:23px 52px 23px 0;border:0;background:none;color:var(--ink);font:inherit;font-size:.97rem;font-weight:760;text-align:left;cursor:pointer;position:relative}
.jc-faq-question:after{content:"+";position:absolute;right:4px;top:17px;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);font-size:1.2rem;font-weight:500}
.jc-faq-question[aria-expanded="true"]:after{content:"−"}
.jc-faq-answer{display:none;padding:0 42px 24px 0;max-width:860px}
.jc-faq-answer.is-open{display:block}
.jc-faq-answer p{margin:0;font-size:.85rem}

/* FINAL */
.jc-final{padding:clamp(105px,13vw,185px) 0;position:relative}
.jc-final:after{content:"";position:absolute;width:520px;height:520px;right:-250px;bottom:-270px;border-radius:50%;border:1px solid rgba(0,169,143,.16);box-shadow:0 0 0 72px rgba(0,169,143,.025),0 0 0 144px rgba(0,169,143,.014)}
.jc-final-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:end;position:relative;z-index:1}
.jc-final h2{font-size:clamp(3rem,6vw,6.5rem);margin:0}
.jc-final-box{padding:34px;border-radius:28px;background:var(--soft)}
.jc-final-box p{font-size:.88rem}
.jc-final-proof{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:22px}
.jc-final-proof span{font-size:.68rem;color:var(--muted)}
.jc-final-proof span:before{content:"✓";color:var(--teal);margin-right:6px;font-weight:900}

@media(max-width:1000px){
  .jc-hero-grid,.jc-what-grid,.jc-head-grid,.jc-systems-grid,.jc-process-head,.jc-reliable-grid,.jc-final-grid{grid-template-columns:1fr}
  .jc-sticky,.jc-systems-intro{position:static}
  .jc-int-ui{min-height:580px}
  .jc-problem-grid,.jc-example-grid{grid-template-columns:repeat(2,1fr)}
  .jc-method-grid{grid-template-columns:repeat(2,1fr)}
  .jc-process-path{grid-template-columns:repeat(2,1fr);gap:45px 0}
  .jc-final-grid{gap:50px}
}
@media(max-width:720px){
  .jc-wrap{width:min(100% - 28px,1240px)}
  .jc-section{padding:74px 0}
  .jc-api h1{font-size:clamp(2.55rem,13vw,4.2rem)}
  .jc-hero{padding-top:46px}
  .jc-int-ui{min-height:650px;display:grid;grid-template-columns:1fr;gap:9px;align-content:center}
  .jc-int-core,.jc-system{position:static;width:auto;height:auto;transform:none}
  .jc-int-core{border-radius:20px;padding:22px}
  .jc-line-link{display:none}
  .jc-htag1,.jc-htag2{position:static;margin:4px auto}
  .jc-api-flow{grid-template-columns:1fr}
  .jc-problem-grid,.jc-example-grid,.jc-method-grid,.jc-reliable-list{grid-template-columns:1fr}
  .jc-problem-card,.jc-example-card,.jc-method-card{min-height:auto}
  .jc-problem-card b,.jc-example-card b,.jc-method-card b{margin-bottom:27px}
  .jc-system-item{grid-template-columns:45px 1fr 36px;gap:11px}
  .jc-system-item:before{width:37px;height:37px}
  .jc-process-path{grid-template-columns:1fr}
  .jc-process-path:before{display:none}
  .jc-process-step,.jc-process-step+.jc-process-step{padding:0;border-left:0}
  .jc-process-step b{margin-bottom:18px}
  .jc-final-box{padding:25px}
}
@media(prefers-reduced-motion:reduce){.jc-api *{transition:none!important}}