/* K14 — cartão de visita (k14.uk). Mesma identidade do portão: #0a0a0a / #eceae5 / #e0b24a. */
:root{
  color-scheme:dark;
  --bg:#0a0a0a;--bg2:#0f0f0e;--line:#24231f;--line2:#34322c;
  --fg:#eceae5;--mute:#a5a29a;--mute2:#7d7a72;--gold:#e0b24a;--gold2:#f0c766;--err:#ff8a7a;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:min(1120px,100% - 48px);
  font-family:var(--font);background:var(--bg);color:var(--fg);
  -webkit-text-size-adjust:100%;text-size-adjust:100%;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:20;background:var(--gold);color:#111;padding:8px 14px;border-radius:6px;text-decoration:none;font-weight:600}
.skip:focus{top:12px}
.wrap{width:var(--wrap);margin-inline:auto}

/* topo */
.topbar{position:sticky;top:0;z-index:10;background:rgba(10,10,10,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.topbar.scrolled{border-bottom-color:var(--line)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-weight:650;letter-spacing:.18em;text-decoration:none;font-size:15px}
.topbar ul{display:flex;gap:6px;list-style:none;margin:0;padding:0;align-items:center}
.topbar nav a{display:inline-block;text-decoration:none;color:var(--mute);font-size:14px;padding:8px 10px;border-radius:6px;transition:color .15s}
.topbar nav a:hover{color:var(--fg)}
.topbar nav a.nav-cta{color:var(--gold);border:1px solid rgba(224,178,74,.45);padding:7px 14px;margin-left:4px}
.topbar nav a.nav-cta:hover{background:rgba(224,178,74,.1);color:var(--gold2)}

/* hero */
.hero{position:relative;padding:clamp(48px,9vw,120px) 0 clamp(64px,10vw,128px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto;height:120%;background:radial-gradient(50% 45% at 50% 30%,rgba(224,178,74,.07),transparent 70%);pointer-events:none}
.hero-in{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center}
.logo{padding:16px;background:none;border:0;border-radius:12px;transition:opacity .18s;margin-bottom:clamp(20px,3vw,32px)}
.logo:hover{opacity:.85}
.logo:focus-visible{outline-offset:6px}
.logo img{width:clamp(112px,16vw,184px);height:auto}
.eyebrow,.kicker{margin:0 0 14px;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
h1,h2,h3{font-weight:500;letter-spacing:-.02em;line-height:1.12;margin:0}
.hero h1{font-size:clamp(32px,5.4vw,64px);max-width:16ch;text-wrap:balance}
.lead{margin:22px auto 0;max-width:56ch;color:var(--mute);font-size:clamp(16px,1.6vw,19px);text-wrap:pretty}
.actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border-radius:999px;text-decoration:none;font-weight:550;font-size:15px;border:1px solid transparent;transition:background-color .18s,color .18s,border-color .18s,transform .18s}
.btn-gold{background:var(--gold);color:#14110a}
.btn-gold:hover{background:var(--gold2)}
.btn-ghost{border-color:var(--line2);color:var(--fg)}
.btn-ghost:hover{border-color:var(--mute2)}
.btn:active{transform:translateY(1px)}

/* seções */
.section{padding:clamp(64px,9vw,112px) 0;border-top:1px solid var(--line)}
.section h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:clamp(28px,4vw,48px)}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.card{background:var(--bg);padding:28px 24px 30px;transition:background-color .2s}
.card:hover{background:var(--bg2)}
.card-n{display:block;font-size:12px;color:var(--gold);letter-spacing:.12em;margin-bottom:26px;font-variant-numeric:tabular-nums}
.card h3{font-size:19px;margin-bottom:10px}
.card p{margin:0;color:var(--mute);font-size:15px}
.steps{list-style:none;margin:clamp(40px,5vw,56px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.steps li{counter-increment:s;padding-top:18px;border-top:1px solid var(--line2);display:flex;flex-direction:column;gap:6px}
.steps strong{font-weight:550}
.steps strong::before{content:counter(s) ". ";color:var(--gold)}
.steps span{color:var(--mute);font-size:15px}

/* portfólio */
.work{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.work-item:only-child{grid-column:1/-1}
.work-link{display:grid;grid-template-columns:1fr;text-decoration:none;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg2);transition:border-color .2s,transform .25s}
.work-item:only-child .work-link{grid-template-columns:1.25fr 1fr}
.work-link:hover{border-color:rgba(224,178,74,.5)}
.work-img{display:block;overflow:hidden;background:#151513;aspect-ratio:16/10}
.work-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.work-link:hover .work-img img{transform:scale(1.025)}
.work-body{display:flex;flex-direction:column;gap:10px;padding:clamp(22px,3vw,40px);justify-content:center}
.work-cat{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.work-name{font-size:clamp(26px,3vw,34px);letter-spacing:.04em;font-weight:500}
.work-desc{color:var(--mute)}
.work-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.work-tags span{font-size:12px;border:1px solid var(--line2);border-radius:999px;padding:4px 10px;color:var(--mute)}
.work-url{margin-top:8px;font-size:14px;color:var(--fg);text-decoration:underline;text-decoration-color:rgba(224,178,74,.6);text-underline-offset:4px}

/* contato */
.contact{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,88px);align-items:start}
.contact-intro h2{margin-bottom:16px}
.contact-intro>p{color:var(--mute);margin:0 0 28px;max-width:36ch}
.contact-ways{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.contact-ways li{display:flex;flex-direction:column;gap:2px;padding-top:14px;border-top:1px solid var(--line)}
.contact-ways span{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute2)}
.contact-ways a{text-decoration:none;font-size:17px;word-break:break-all}
.contact-ways a:hover{color:var(--gold)}
.form{display:grid;gap:18px;padding:clamp(22px,3vw,36px);background:var(--bg2);border:1px solid var(--line);border-radius:16px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field-pair{border:0;margin:0;padding:0;min-width:0}
.field-pair legend{padding:0;font-size:14px;color:var(--fg);margin-bottom:2px}
.help{margin:0 0 10px;font-size:13px;color:var(--mute2)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{font-size:14px}
.req{color:var(--gold)}
.opt{color:var(--mute2)}
input[type=text],input[type=tel],input[type=email],select,textarea{width:100%;min-height:48px;padding:12px 14px;background:#0a0a0a;border:1px solid var(--line2);border-radius:10px;font-size:16px;transition:border-color .15s,box-shadow .15s}
select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--mute) 50%),linear-gradient(135deg,var(--mute) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
textarea{resize:vertical;min-height:132px;line-height:1.5}
input::placeholder,textarea::placeholder{color:#5f5d57}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(224,178,74,.18)}
[aria-invalid=true]{border-color:var(--err)!important}
.err{margin:0;font-size:13px;color:var(--err);min-height:0}
.err:empty{display:none}
.check{flex-direction:row;flex-wrap:wrap;align-items:flex-start;gap:12px}
.check input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--gold);flex:none}
.check label{flex:1;color:var(--mute);font-size:14px;line-height:1.5}
.check .err{flex-basis:100%}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.btn-submit{width:100%;border:0;font-size:16px}
.btn-submit[disabled]{opacity:.6;cursor:progress}
.status{margin:0;font-size:15px;min-height:1.5em}
.status.ok{color:var(--gold);padding:14px 16px;border:1px solid rgba(224,178,74,.4);border-radius:10px;background:rgba(224,178,74,.06)}
.status.bad{color:var(--err)}
.form-note{margin:0;color:var(--mute)}

/* rodapé */
.foot{border-top:1px solid var(--line);padding:28px 0 calc(28px + env(safe-area-inset-bottom))}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font-size:13px;color:var(--mute2)}
.foot p{margin:0}
.foot a{text-decoration:none}
.foot a:hover{color:var(--fg)}

/* portão (dialog) — mesmas regras do entry.css, escopadas */
#access{width:min(94vw,590px);max-height:96vh;max-height:96svh;padding:24px;background:#101211;border:1px solid #343630;border-radius:12px;color:var(--fg);overflow:auto;line-height:normal}
#access::backdrop{background:rgba(0,0,0,.88)}
#access header,#access footer{display:flex;justify-content:space-between;align-items:center;gap:16px}
#access h1{font-size:22px;font-weight:450;margin:0;letter-spacing:normal;line-height:normal}
#access .instruction{color:#aaa;font-size:13px;margin:12px 0 20px}
#access .text-button{background:none;border:1px solid #44463f;border-radius:4px;padding:9px 12px;font-size:12px;white-space:nowrap}
#access button:focus-visible{outline:2px solid var(--gold);outline-offset:6px}
#board{width:min(100%,60svh);aspect-ratio:1;margin:auto;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);overflow:hidden;border-radius:4px;border:1px solid #454943}
#board .square{position:relative;display:flex;align-items:center;justify-content:center;margin:0;padding:0;border:0;line-height:1;user-select:none;touch-action:manipulation;background:#263449;font-size:clamp(23px,6vmin,48px)}
#board .square.dark{background:#111b28}
#board .square.selected{box-shadow:inset 0 0 0 3px #e0b24a}
#board .piece.white{color:#f4f7fb;text-shadow:0 1px 2px #000}
#board .piece.black{color:#090d14;text-shadow:0 1px 1px #a9b6c8}
#board .coordinate{position:absolute;bottom:3px;left:4px;color:#b3bdca;font:9px system-ui;opacity:.7}
#access footer{margin-top:18px}
#access-status{font-size:12px;color:#aaa;line-height:1.5;margin:0}

/* responsivo */
@media (max-width:1000px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
  .work-item:only-child .work-link{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--wrap:min(1120px,100% - 40px)}
  .topbar nav a:not(.nav-cta){display:none}
  .cards,.steps,.work{grid-template-columns:1fr}
  .steps{gap:18px}
  .pair{grid-template-columns:1fr}
  .actions .btn{flex:1 1 100%}
  .foot-in{flex-direction:column}
  #access{padding:18px}
  #access header{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}