/* Responsive overrides — breakpoints: 1100 / 900 / 640 / 420 */
@media (max-width:1100px){
  .hero__grid,.phero--photo .hero__grid{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:var(--s7)}
  .sol{grid-template-columns:repeat(2,1fr)}
  .biz{grid-template-columns:repeat(2,1fr)}
  .nav__link{padding:10px 8px;font-size:.9rem}
}
@media (max-width:900px){
  body{font-size:16.5px}
  .menu-btn{display:inline-flex}
  .nav{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 24px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px rgba(18,59,58,.12);transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .25s;max-height:calc(100vh - 76px);overflow:auto}
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav__list{flex-direction:column;gap:0}
  .nav__link{padding:16px 4px;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav__link::after{display:none}
  .nav .btn{margin-top:var(--s4)}
  .hero__grid,.phero--photo .hero__grid,.split,.split--rev,.cta__in,.feature,.tabpanel,.task{grid-template-columns:1fr}
  .split--rev>:first-child{order:0}
  .hero__media{max-width:640px;margin:var(--s6) auto 0}
  .hero__media .photo{aspect-ratio:1/1;border-radius:120px 24px 24px 24px}
  .phero .photo{aspect-ratio:16/10;border-radius:24px 80px 24px 24px;margin-top:var(--s6)}
  .bento{grid-template-columns:1fr 1fr}
  .b--a,.b--b,.b--f{grid-column:1/-1}
  .b--c,.b--d,.b--e{grid-column:span 1}
  .b--e{grid-column:1/-1}
  .b--f{grid-template-columns:1fr}
  .process{grid-template-columns:1fr 1fr;row-gap:var(--s7)}
  .process::before{display:none}
  .feature .photo{min-height:260px;order:-1}
  .benefits{grid-template-columns:1fr 1fr}
  .benefit:nth-child(3n){border-right:1px solid var(--line)}
  .benefit:nth-child(2n){border-right:0}
  .benefit:nth-last-child(-n+3){border-bottom:1px solid var(--line)}
  .benefit:nth-last-child(-n+2){border-bottom:0}
  .task__side{position:static}
  .mistakes{grid-template-columns:1fr}
  .tools{grid-template-columns:1fr}
  .head--row{flex-direction:column;align-items:flex-start}
  .wide-photo{aspect-ratio:16/9}
}
@media (max-width:640px){
  .section{padding:56px 0}
  .header__in{height:68px}
  .nav{inset:68px 0 auto 0}
  .logo{font-size:1.25rem}
  .logo__mark{width:30px;height:30px}
  .logo--img img{height:38px}
  .logo small{display:none}
  .hero{padding:36px 0 56px}
  .hero__cta .btn{width:100%}
  .bento{grid-template-columns:1fr}
  .b--c,.b--d,.b--e{grid-column:1/-1}
  .b--a{grid-template-columns:1fr}
  .b--a .photo{min-height:200px;aspect-ratio:16/10;order:-1}
  .sol,.biz,.benefits,.form-grid,.footer__grid{grid-template-columns:1fr}
  .benefit,.benefit:nth-child(n){border-right:0;border-bottom:1px solid var(--line)!important}
  .benefit:last-child{border-bottom:0!important}
  .process{grid-template-columns:1fr}
  .step{display:grid;grid-template-columns:56px 1fr;gap:0 var(--s4);padding-right:0}
  .step__n{grid-row:span 2;margin-bottom:0}
  .steps-v .sv{grid-template-columns:52px 1fr}
  .steps-v .sv b{font-size:2rem}
  .tabs__list{flex-wrap:nowrap;overflow-x:auto;margin-inline:calc(var(--gutter)*-1);padding:0 var(--gutter) 8px;scrollbar-width:none}
  .tab{white-space:nowrap}
  .kv{grid-template-columns:1fr;gap:4px}
  .data-card dl{grid-template-columns:1fr}
  .data-card dt{margin-top:8px}
  .card,.bento .b{padding:var(--s5)}
  .faq__q{padding:18px 18px;font-size:1rem}
  .faq__a p{padding:0 18px 20px}
  .cta .btn,.cta__side .btn{width:100%}
  .footer__bot{flex-direction:column}
  .legal table{display:block;overflow-x:auto}
  .pull{padding-left:var(--s4)}
}
@media (max-width:420px){
  :root{--gutter:18px}
  .btn{padding:15px 20px}
  .toc a{font-size:.82rem}
}