/* Air Estratégia · design system (brandbook v1.0, 2026) */
:root{
  --air-sol:#D70C19;--air-sumi:#000;--air-cinza:#727272;--air-branco:#fff;--air-washi:#F7F4EE;--air-fio:#D9D6CF;--air-onda:#BDB8AE;
  --ink-1:#1A1A1A;--ink-2:#3A3A3A;--ink-3:#5E5E5E;--ink-4:#9A9A9A;--ink-6:#D9D6CF;--ink-7:#EDE9E1;
  --f-titulo:'Antonio','Arial Narrow',sans-serif;--f-texto:'Poppins',Arial,sans-serif;--f-selo:'Noto Serif JP',serif;
  --max:1240px;--gut:clamp(16px,4vw,48px)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
p{margin:0 0 1em}p:last-child{margin-bottom:0}
body{margin:0;background:var(--air-washi);color:var(--air-sumi);font-family:var(--f-texto);font-weight:400;font-size:15.5px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:var(--air-sol);color:#fff}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gut)}
/* tipografia */
.t-display,.t-h1,.t-h2,.t-h3{font-family:var(--f-titulo);text-transform:uppercase;margin:0;letter-spacing:.02em;text-wrap:balance}
.t-display{font-weight:200;font-size:clamp(38px,5vw,68px);line-height:1.3}
.t-h1{font-weight:200;font-size:clamp(30px,3.6vw,46px);line-height:1.3}
.t-h2{font-weight:200;font-size:clamp(26px,3vw,38px);line-height:1.3}
.t-h3{font-weight:300;font-size:clamp(18px,1.5vw,21px);line-height:1.3}
.t-lead{font-weight:300;font-size:clamp(16px,1.3vw,18px);line-height:1.75;color:var(--ink-2)}
.rot{font-family:var(--f-texto);font-weight:500;font-size:11.5px;letter-spacing:.24em;text-transform:uppercase}
.rot.sol{color:var(--air-sol)}
.muted{color:var(--air-cinza)}
.kanji{font-family:var(--f-selo);font-weight:700;line-height:1}
.selo{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--air-sol);color:#fff;font-family:var(--f-selo);font-weight:700;font-size:15px;line-height:1.05;writing-mode:vertical-rl;letter-spacing:.05em}
.sol-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--air-sol)}
.traco{display:block;width:56px;height:2px;background:var(--air-sol)}
/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;font-family:var(--f-texto);font-weight:500;font-size:12px;letter-spacing:.2em;text-transform:uppercase;text-decoration:none;border:1px solid var(--air-sumi);background:var(--air-sumi);color:#fff;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.btn:hover,.btn:focus-visible{background:var(--air-sol);border-color:var(--air-sol);color:#fff}
.btn-out{background:transparent;color:var(--air-sumi)}
.btn-out:hover{color:#fff}
.btn-inv{background:#fff;border-color:#fff;color:var(--air-sumi)}
.btn-inv:hover{background:var(--air-sumi);border-color:var(--air-sumi);color:#fff}
.btn svg{width:16px;height:16px;flex:none}
.tag{display:inline-block;padding:4px 10px;font-size:10.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;border:1px solid var(--air-sumi)}
.tag.on{background:var(--air-sumi);color:#fff}
.tag.sol{border-color:var(--air-sol);color:var(--air-sol)}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--air-washi) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--air-fio)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:34px;width:auto}
.brand span{font-weight:500;font-size:11.5px;letter-spacing:.3em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:30px}
.nav a{text-decoration:none;font-size:13px;color:var(--ink-2);position:relative}
.nav a:not(.btn):hover,.nav a.on{color:var(--air-sumi)}
.nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--air-sol)}
.nav .btn{min-height:42px;padding:0 18px;font-size:11px;color:#fff}
.nav .btn:hover{color:#fff}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--air-sumi);background:transparent;align-items:center;justify-content:center;cursor:pointer}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:18px;height:1px;background:var(--air-sumi);position:relative;content:""}
.menu-btn span::before{position:absolute;top:-6px}.menu-btn span::after{position:absolute;top:6px}
/* seções */
.sec{padding-block:clamp(72px,10vw,128px);position:relative}
.sec-top{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(20px,4vw,64px);align-items:end;padding-bottom:28px;border-bottom:1px solid var(--air-sumi);margin-bottom:clamp(36px,5vw,64px)}
.sec-top>*{min-width:0}
.sec-top h1,.sec-top h2{overflow-wrap:break-word}
.sec-top .num{font-family:var(--f-titulo);font-weight:200;color:var(--air-sol);font-size:22px;display:block;margin-bottom:10px}
.sec-top .kanji{font-size:clamp(28px,2.8vw,38px)}
.sec-top p{max-width:42ch;margin:0;color:var(--ink-2);font-weight:300}
.painel{background:#fff;border:1px solid var(--air-fio)}
.grid{display:grid;gap:clamp(20px,3vw,40px)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.col{border-top:1px solid var(--air-fio);padding-top:22px}
.col h3{margin:12px 0 10px}
.col p{margin:0;color:var(--ink-3);font-size:14.5px}
.seigaiha{height:72px;background-color:var(--air-washi);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'%3E%3Cg fill='none' stroke='%23BDB8AE' stroke-width='.8' opacity='.7'%3E%3Cpath d='M0 24a24 24 0 0 1 48 0M6 24a18 18 0 0 1 36 0M12 24a12 12 0 0 1 24 0M18 24a6 6 0 0 1 12 0'/%3E%3Cpath d='M-24 12a24 24 0 0 1 48 0M-18 12a18 18 0 0 1 36 0M-12 12a12 12 0 0 1 24 0M-6 12a6 6 0 0 1 12 0M24 12a24 24 0 0 1 48 0M30 12a18 18 0 0 1 36 0M36 12a12 12 0 0 1 24 0M42 12a6 6 0 0 1 12 0'/%3E%3C/g%3E%3C/svg%3E");border-block:1px solid var(--air-fio)}
.cantos{position:relative}
.cantos::before,.cantos::after{content:"";position:absolute;width:22px;height:22px;border-color:var(--air-sumi);border-style:solid}
.cantos::before{top:14px;left:14px;border-width:1px 0 0 1px}.cantos::after{bottom:14px;right:14px;border-width:0 1px 1px 0}
.fio{height:1px;background:var(--air-fio);border:0;margin:0}
/* formulários */
.campo{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}
.campo label{font-size:13px;font-weight:500}
.campo input,.campo select,.campo textarea{font:inherit;font-size:16px;font-weight:300;background:transparent;border:0;border-bottom:1px solid var(--air-sumi);padding:10px 2px;color:var(--air-sumi);border-radius:0;width:100%}
.campo textarea{resize:vertical;min-height:84px}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:none;border-bottom-color:var(--air-sol)}
/* faq */
.faq details{border-top:1px solid var(--air-fio);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--air-fio)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:500;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;margin-top:7px;background:linear-gradient(var(--air-sumi),var(--air-sumi)) center/12px 1px no-repeat,linear-gradient(var(--air-sumi),var(--air-sumi)) center/1px 12px no-repeat;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:12px 0 0;color:var(--ink-3);font-weight:300}
/* rodapé */
.ftr{background:var(--air-sumi);color:#bdbdbd;padding-block:56px 32px;font-size:13px}
.ftr .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.ftr img{height:64px;width:auto;margin-bottom:18px}
.ftr a{color:#fff;text-decoration:none}
.ftr a:hover{color:var(--air-sol)}
.ftr ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.ftr .base{grid-column:1/-1;border-top:1px solid #2a2a2a;padding-top:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#8a8a8a}
/* revelação suave */
.rv{opacity:0;transform:translateY(14px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
/* responsivo */
@media (max-width:980px){
  .g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sec-top{grid-template-columns:auto 1fr}.sec-top p{grid-column:1/-1}
  .ftr .wrap{grid-template-columns:1fr 1fr}.ftr .wrap>div:first-child{grid-column:1/-1}
}
@media (max-width:820px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--air-washi);border-bottom:1px solid var(--air-fio);padding:8px var(--gut) 20px}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--air-fio);font-size:15px}
  .nav a.on::after{display:none}
  .nav .btn{margin-top:14px;min-height:50px;border-bottom:1px solid var(--air-sumi)}
  .menu-btn{display:inline-flex}
}
@media (max-width:640px){
  body{font-size:15px}
  .g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}
  .btn{width:100%}
  .brand span{display:none}
  .sec-top{grid-template-columns:1fr;gap:14px}
  .sec-top .kanji{font-size:28px}
  .ftr .wrap{grid-template-columns:1fr}
}

/* cantos levemente arredondados nas caixas */
.painel,.bcard,.cta-box,.precos,.pacote,.form,.browser,.cover,.term,.hero-art,.faixa-sites,.body table{border-radius:12px;overflow:hidden}
.btn,.tag,.menu-btn,.lk,.g3m div,.chip{border-radius:8px}
.selo{border-radius:6px}.sk,.nm{border-radius:4px}
.campo select,.campo input,.campo textarea{border-radius:0}
.resp,.answer{border-left:0;background:#fff;border:1px solid var(--air-fio);border-left:3px solid var(--air-sol);border-radius:12px;padding:18px 22px}