/* TSL · home v2 (estrutura do site atual, evoluída) */
:root{
  --ink:#1d1d1d; --dark:#0f1318; --darker:#0b0e12; --paper:#f4f5f7; --line:#e6e8ec;
  --muted:#5b6472; --blue:#385ae8; --blue-d:#2443c9; --green:#44c037; --green-l:#6fd863;
  --r:18px; --ease:cubic-bezier(.16,1,.3,1); --wrap:1280px; --gut:clamp(20px,3.5vw,40px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:"Fira Sans",system-ui,sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{list-style:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
.h2{font-size:clamp(2rem,3.4vw,2.9rem);line-height:1.08;font-weight:700;letter-spacing:-.025em}
.lead{font-size:1.1rem;line-height:1.65;color:#4a525e}
.ico{width:16px;height:16px;flex:none}
.link-arr{display:inline-flex;align-items:center;gap:10px;font-weight:600;color:var(--blue-d)}
.link-arr:hover .ico{transform:translateX(4px)}
.link-arr .ico{transition:transform .3s var(--ease)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:999px;padding:15px 28px;transition:background .25s,color .25s,transform .25s var(--ease)}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn--line{color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn--line:hover{background:#fff;color:var(--ink)}
.btn--sm{padding:12px 20px;font-size:.94rem}

/* top bar */
.top{background:var(--dark);color:rgba(255,255,255,.8);font-size:13px}
.top .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding-block:9px}
.top__info{display:flex;flex-wrap:wrap;gap:24px}
.top__info a,.top__info span{display:inline-flex;align-items:center;gap:8px}
.top__info a:hover{color:#fff}
.top__lang{display:flex;gap:4px}
.top__lang a{font-weight:600;padding:4px 9px;border-radius:6px;color:rgba(255,255,255,.7)}
.top__lang a[aria-current]{background:rgba(255,255,255,.12);color:#fff}

/* header */
.hd{position:absolute;left:0;right:0;top:auto;z-index:50;transition:background .3s,box-shadow .3s}
.hd .wrap{display:flex;align-items:center;gap:24px;padding-block:20px}
.hd__logo img{width:128px}
.hd__logo .logo-b{display:none}
.nav{flex:1;display:flex;justify-content:center}
.nav>ul{display:flex;gap:2px}
.nav__a{display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:500;font-size:15px;padding:10px 14px;border-radius:999px;transition:background .2s}
.nav__a:hover,.nav__item.open>.nav__a{background:rgba(255,255,255,.14)}
.nav__item{position:relative}
.chev{width:12px;height:12px;transition:transform .25s}
.nav__item.open .chev{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .3s var(--ease),visibility .2s;background:#fff;color:var(--ink);border-radius:var(--r);box-shadow:0 30px 70px -20px rgba(15,19,24,.4),0 0 0 1px var(--line);padding:26px;display:grid;grid-template-columns:repeat(3,220px);gap:24px}
.nav__item.open .drop{opacity:1;visibility:visible;transform:translate(-50%,0)}
.drop h3{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.drop a{display:block;padding:7px 10px;margin:0 -10px;border-radius:8px;font-size:.93rem;line-height:1.35;color:#3a414c}
.drop a:hover{background:var(--paper);color:var(--blue-d)}
.hd__act{display:flex;align-items:center;gap:10px}
.hd__in{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;color:#fff}
.hd__in svg{width:16px;height:16px;fill:currentColor}
.burger{display:none;width:44px;height:44px;border-radius:50%;position:relative}
.burger span{position:absolute;left:12px;right:12px;height:2px;background:#fff}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
/* header fixo ao rolar */
.hd.fixed{position:fixed;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line);animation:drop .35s var(--ease)}
.hd.fixed .wrap{padding-block:12px}
.hd.fixed .logo-w{display:none}.hd.fixed .logo-b{display:block}
.hd.fixed .nav__a{color:var(--ink)}
.hd.fixed .nav__a:hover,.hd.fixed .nav__item.open>.nav__a{background:var(--paper)}
.hd.fixed .hd__in{color:var(--ink);border-color:var(--line)}
.hd.fixed .burger span{background:var(--ink)}
@keyframes drop{from{transform:translateY(-100%)}}
.mnav{position:fixed;inset:0;z-index:120;background:#fff;padding:20px var(--gut) 40px;overflow:auto}
.mnav__x{position:absolute;right:16px;top:14px;width:44px;height:44px;font-size:28px}
.mnav nav{display:flex;flex-direction:column;margin-top:48px}
.mnav a{padding:14px 0;border-bottom:1px solid var(--line);font-weight:600;font-size:1.05rem}
.mnav .btn{margin-top:20px;border:0}

/* hero */
.hero{position:relative;height:min(760px,100svh);min-height:620px;background:var(--dark);color:#fff;overflow:hidden}
.slide__bg{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.slide__bg.on{opacity:1}
.slide__bg img{width:100%;height:100%;object-fit:cover;object-position:center 60%;transform:scale(1.06);transition:transform 7s linear}
.slide__bg.on img{transform:scale(1)}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,19,24,.75) 0%,rgba(15,19,24,0) 26%),linear-gradient(90deg,rgba(15,19,24,.9) 0%,rgba(15,19,24,.55) 45%,rgba(15,19,24,.1) 80%),linear-gradient(0deg,rgba(15,19,24,.88) 0%,rgba(15,19,24,0) 35%)}
.hero__body{position:relative;z-index:2;padding-top:200px}
.slide{display:none;max-width:780px}
.slide.on{display:block;animation:up .8s var(--ease)}
@keyframes up{from{opacity:0;transform:translateY(18px)}}
.slide__seg{color:var(--green-l);font-weight:600;font-size:1.1rem;margin-bottom:16px}
.slide__t{font-size:clamp(2.4rem,4.6vw,4rem);line-height:1.04;font-weight:700;letter-spacing:-.03em;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.slide__t span{color:var(--green-l)}
.slide__lead{margin-top:22px;font-size:1.15rem;color:rgba(255,255,255,.85);max-width:600px}
.slide__ctas{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.hero__nav{position:absolute;z-index:3;left:0;right:0;bottom:0;border-top:1px solid rgba(255,255,255,.16)}
.hero__nav .wrap{display:flex;align-items:stretch}
.tab{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:18px 0 20px;margin-right:44px;color:#fff;opacity:.6;border-top:3px solid transparent;margin-top:-2px;text-align:left;transition:opacity .2s}
.tab:hover{opacity:.9}
.tab[aria-selected=true]{opacity:1;border-top-color:var(--green)}
.tab small{font-size:12px;font-weight:600;letter-spacing:.08em}
.tab strong{font-size:16px;font-weight:600}
.hero__arrows{margin-left:auto;display:flex;align-items:center;gap:10px}
.arrow{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.35);color:#fff;display:grid;place-items:center;transition:background .2s}
.arrow:hover{background:rgba(255,255,255,.14)}
.arrow svg{width:18px;height:18px}

/* 1984 + clientes */
.trust{background:var(--paper);padding:56px 0 88px}
.trust .wrap{display:flex;flex-wrap:wrap;gap:24px}
.video{flex:1 1 420px;min-width:0;position:relative;border-radius:20px;overflow:hidden;min-height:320px;background:var(--dark);box-shadow:0 24px 60px -24px rgba(15,19,24,.45);text-align:left}
.video img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.video:hover img{transform:scale(1.04)}
.video::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,19,24,.6),rgba(15,19,24,0) 55%)}
.video__cta{position:absolute;z-index:1;left:24px;bottom:24px;display:inline-flex;align-items:center;gap:14px;color:#fff;font-weight:600;background:rgba(15,19,24,.82);backdrop-filter:blur(6px);padding:8px 20px 8px 8px;border-radius:999px}
.video__cta i{width:52px;height:52px;border-radius:50%;background:#fff;display:grid;place-items:center}
.video__cta svg{width:22px;fill:var(--blue);margin-left:3px}
.clients{flex:1.25 1 520px;min-width:0;background:#fff;border-radius:20px;padding:34px 40px;box-shadow:0 24px 60px -30px rgba(15,19,24,.25)}
.clients p{font-size:15px;color:var(--muted);margin-bottom:24px}
.clients ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 32px;align-items:center}
.clients li{height:48px;display:flex;align-items:center;justify-content:center}
.clients img{max-height:44px;max-width:120px;width:auto;filter:grayscale(1);opacity:.62;transition:filter .3s,opacity .3s}
.clients img:hover{filter:none;opacity:1}

/* quem somos */
.about{padding:112px 0 104px}
.about .wrap{display:flex;flex-wrap:wrap;gap:72px;align-items:center}
.about__copy{flex:1 1 480px;min-width:0}
.about__copy .lead{margin-top:22px}
.about__copy .link-arr{margin-top:26px}
.facts{flex:1 1 520px;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.fact{border:1px solid var(--line);border-radius:16px;padding:26px}
.fact h3{font-size:19px;font-weight:600}
.fact p{margin-top:6px;color:var(--muted);font-size:15px;line-height:1.5}
.fact__isos{display:flex;gap:8px;margin-bottom:18px}
.fact__isos img{width:40px;height:40px}
.fact__ico{width:40px;height:40px;margin-bottom:18px;stroke:var(--blue)}
.fact--blue{background:var(--blue);border-color:var(--blue);color:#fff}
.fact--blue p{color:rgba(255,255,255,.85)}
.fact .fact__num{color:#fff;margin-top:0;font-size:52px;font-weight:300;letter-spacing:-.03em;line-height:1;margin-bottom:14px}
.checks{display:flex;flex-direction:column;gap:12px;font-weight:500}
.checks li{display:flex;gap:10px;align-items:center}
.checks svg{width:18px;height:18px;stroke:var(--green)}

/* áreas */
.areas{padding-bottom:112px}
.sec-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px}
.sec-top .h2{max-width:640px}
.areas__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.area{border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;flex-direction:column}
.area__img{position:relative;height:210px;overflow:hidden}
.area__img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.area:hover .area__img img{transform:scale(1.05)}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.tag--eng{background:var(--blue);color:#fff}
.tag--man{background:#fff;color:var(--ink)}
.tag--amb{background:var(--green);color:var(--dark)}
.area__img .tag{position:absolute;left:20px;top:20px}
.area__body{padding:26px 28px 30px}
.area__body h3{font-size:22px;font-weight:700}
.area__body>p{margin:6px 0 16px;color:var(--muted);font-size:15px;line-height:1.55}
.area__body li a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:15px;color:#2b313b;transition:color .2s,padding .3s var(--ease)}
.area__body li a:hover{color:var(--blue-d);padding-left:6px}
.area__body li .ico{stroke:var(--blue);width:14px;height:14px}

/* diferenciais */
.difs{background:var(--dark);color:#fff;padding:112px 0}
.difs .wrap{display:flex;flex-wrap:wrap;gap:72px}
.difs__copy{flex:1 1 380px;min-width:0}
.difs__copy p{margin-top:20px;font-size:1.1rem;line-height:1.6;color:rgba(255,255,255,.75)}
.difs__copy img{margin-top:36px;border-radius:18px;width:100%;height:260px;object-fit:cover}
.difs__grid{flex:1.2 1 520px;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.12);border-radius:20px;overflow:hidden;align-self:flex-start}
.dif{background:var(--dark);padding:34px 32px}
.dif b{display:block;font-size:40px;font-weight:300;color:var(--green-l);letter-spacing:-.03em;line-height:1}
.dif h3{margin:20px 0 8px;font-size:20px;font-weight:600}
.dif p{font-size:15px;line-height:1.6;color:rgba(255,255,255,.72)}

/* cases */
.cases{background:var(--paper);padding:112px 0 104px}
.cases__sub{margin-top:12px;font-size:17px;color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{font-size:15px;font-weight:600;padding:11px 18px;border-radius:999px;border:1px solid #c9cfd8;transition:background .2s,color .2s,border-color .2s}
.filters button:hover{border-color:var(--ink)}
.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.cases__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.case{position:relative;display:block;border-radius:18px;overflow:hidden;aspect-ratio:3/4;color:#fff;background:#1d2430}
.case[hidden]{display:none}
.case img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.case:hover img{transform:scale(1.05)}
.case::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,19,24,.92) 0%,rgba(15,19,24,0) 62%)}
.case__c{position:absolute;z-index:1;left:0;right:0;bottom:0;padding:22px}
.case h3{margin:12px 0 10px;font-size:19px;line-height:1.25;font-weight:600}
.case__more{font-size:14px;font-weight:600;color:#8fe485;display:inline-flex;gap:8px;align-items:center}
.cases__all{margin-top:32px;display:flex;justify-content:center}
.btn--ghost-d{border:1px solid #c9cfd8;color:var(--ink)}
.btn--ghost-d:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* soluções */
.sols{padding:112px 0}
.sols .h2{margin-bottom:36px}
.sols__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.sol{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:border-color .2s,box-shadow .3s}
.sol:hover{border-color:#cdd3dc;box-shadow:0 18px 40px -24px rgba(15,19,24,.35)}
.sol__img{height:170px;overflow:hidden}
.sol__img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.sol:hover .sol__img img{transform:scale(1.05)}
.sol__c{padding:20px 22px 22px;display:flex;flex-direction:column;gap:14px;flex:1}
.sol h3{font-size:18px;line-height:1.3;font-weight:600}
.sol__c .link-arr{margin-top:auto;font-size:14px}

/* faq */
.faq{padding:0 0 112px}
.faq .wrap{display:flex;flex-wrap:wrap;gap:72px}
.faq .h2{flex:1 1 320px}
.faq__list{flex:1.6 1 560px;min-width:0}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;font-weight:600;font-size:1.08rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.6rem;font-weight:300;color:var(--blue);transition:transform .3s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 44px 22px 0;color:var(--muted)}

/* contato */
.cta{background:var(--blue);color:#fff;padding:88px 0}
.cta .wrap{display:flex;flex-wrap:wrap;gap:56px;align-items:flex-start}
.cta__copy{flex:1 1 420px;min-width:0}
.cta__copy>p{margin-top:16px;font-size:1.1rem;color:rgba(255,255,255,.88)}
.cta__ch{margin-top:30px}
.cta__ch a{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-top:1px solid rgba(255,255,255,.25);font-size:17px}
.cta__ch a:last-child{border-bottom:1px solid rgba(255,255,255,.25)}
.cta__ch span{opacity:.85}
.cta__ch a:hover strong{text-decoration:underline}
.form{flex:1 1 480px;min-width:0;background:#fff;color:var(--ink);border-radius:20px;padding:32px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500;color:#4a525e}
.form .full{grid-column:1/-1}
.form input,.form select,.form textarea{width:100%;min-width:0;font:inherit;font-size:16px;padding:13px 14px;border:1px solid #d5d9e0;border-radius:10px;background:#f7f8fa;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);background:#fff}
.form .invalid{border-color:#c62f2f;background:#fff6f6}
.form button{grid-column:1/-1;font-weight:600;font-size:16px;padding:17px;border-radius:999px;background:var(--ink);color:#fff;transition:background .2s}
.form button:hover{background:#000}
.form__note{grid-column:1/-1;font-size:13px;color:#6b7380;text-align:center}
.form__note a{text-decoration:underline}
.form__ok{grid-column:1/-1;background:#ecf9ea;color:#1f6d17;border-radius:10px;padding:12px 14px;font-size:15px}

/* footer */
.ft{background:var(--darker);color:rgba(255,255,255,.72);font-size:15px;padding:72px 0 28px}
.ft__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px}
.ft__logo{width:116px;margin-bottom:18px}
.ft h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.ft a:hover{color:#fff}
.ft address{font-style:normal;line-height:1.65}
.ft address a{display:block;margin-top:10px}
.ft__mails{display:flex;flex-direction:column;gap:9px}
.ft__base{margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:13px}
.ft__base nav{display:flex;flex-wrap:wrap;gap:20px}
.wa{position:fixed;right:24px;bottom:24px;z-index:90;width:58px;height:58px;border-radius:50%;background:#1fa855;color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(31,168,85,.7);transition:transform .3s var(--ease)}
.wa:hover{transform:scale(1.08)}
.wa svg{width:28px;fill:currentColor}
.vmodal{border:0;padding:0;background:transparent;max-width:min(1100px,92vw);width:100%;margin:auto}
.vmodal::backdrop{background:rgba(8,10,14,.88)}
.vmodal video{width:100%;border-radius:14px;display:block;background:#000}
.vmodal__x{position:absolute;right:0;top:-48px;color:#fff;font-size:2.2rem;line-height:1}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

@media (max-width:1100px){
  .nav,.hd__act .btn,.hd__in{display:none}
  .burger{display:block}
  .hd__act{margin-left:auto}
  .areas__grid{grid-template-columns:1fr 1fr}
  .cases__grid,.sols__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ft__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  .top__info span{display:none}
  .hero{min-height:640px}
  .hero__body{padding-top:150px}
  .tab{margin-right:20px}.tab small{display:none}
  .hero__arrows{display:none}
  .clients{padding:26px}
  .clients ul{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .areas__grid,.facts,.difs__grid{grid-template-columns:1fr}
  .about,.difs,.cases,.sols,.cta{padding:76px 0}
  .faq{padding-bottom:76px}
  .form{grid-template-columns:minmax(0,1fr);padding:24px}
  .ft__grid{grid-template-columns:1fr}
  .wa{right:16px;bottom:16px}
  /* alvos de toque de pelo menos 44px no celular */
  .top__info a{min-height:44px}
  .top__lang a{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
  .ft nav a,.ft li a{display:inline-flex;align-items:center;min-height:44px}
}