/* Diogo Caspary — IA prática pra negócio. Sistema visual: grafite + âmbar. */
:root{
  --bg:#0F1115; --bg2:#15171C; --card:#1B1E26; --line:#2A2F3A;
  --tx:#F5F7FA; --mut:#9AA6B2; --amber:#FFC83D; --amber2:#ffb703;
  --ok:#39d98a; --rad:18px; --max:1040px;
  --ff:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:radial-gradient(1200px 600px at 50% -10%,#1b2030 0,var(--bg) 55%);color:var(--tx);font-family:var(--ff);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--amber);text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--amber);background:rgba(255,200,61,.1);border:1px solid rgba(255,200,61,.25);padding:6px 12px;border-radius:30px}
h1{font-size:clamp(30px,6vw,52px);line-height:1.08;font-weight:800;letter-spacing:-.02em;margin:18px 0 14px}
h2{font-size:clamp(22px,3.4vw,32px);font-weight:800;letter-spacing:-.01em;margin:0 0 6px}
h3{font-size:19px;font-weight:700;margin:0 0 6px}
p.lead{font-size:clamp(16px,2.2vw,20px);color:var(--mut);max-width:640px}
.muted{color:var(--mut)}
.amber{color:var(--amber)}
/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:16px;padding:15px 24px;border-radius:14px;border:0;cursor:pointer;background:linear-gradient(180deg,var(--amber),var(--amber2));color:#15171C;box-shadow:0 8px 22px rgba(255,200,61,.25);transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,200,61,.35)}
.btn.ghost{background:transparent;color:var(--tx);border:1px solid var(--line);box-shadow:none}
/* Header */
.nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand .dot{width:34px;height:34px;border-radius:9px;background:var(--amber);color:#15171C;display:grid;place-items:center;font-weight:800}
/* Hero */
.hero{padding:36px 0 10px}
/* Cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin:30px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:24px;transition:border-color .2s,transform .2s}
.card:hover{border-color:rgba(255,200,61,.45);transform:translateY(-3px)}
.card .ico{font-size:30px}
.card .meta{font-size:13px;color:var(--mut);margin-top:10px}
.pill{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px;border:1px solid var(--line);color:var(--mut)}
.pill.f{color:#9be7c4;border-color:rgba(57,217,138,.4)}
.pill.m{color:#ffd98a;border-color:rgba(255,200,61,.4)}
.pill.a{color:#ff9b9b;border-color:rgba(255,107,107,.4)}
/* Sec */
section{padding:30px 0}
.center{text-align:center}
/* GATE */
.gatewrap{position:relative}
.gated{transition:filter .3s}
html:not(.unlocked) .gated{filter:blur(9px);pointer-events:none;user-select:none;min-height:50vh}
.gate{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(10,12,16,.78);backdrop-filter:blur(6px)}
html.unlocked .gate{display:none}
.gatebox{width:100%;max-width:440px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px 26px;text-align:center;box-shadow:0 30px 70px rgba(0,0,0,.5)}
.gatebox h3{font-size:23px}
.gatebox input{width:100%;margin:14px 0 6px;padding:15px 16px;border-radius:12px;border:1px solid var(--line);background:#0f1218;color:var(--tx);font-size:16px}
.gatebox input:focus{outline:none;border-color:var(--amber)}
.gatebox .btn{width:100%;margin-top:8px}
.gate-err{color:#ff8a8a;font-size:14px;min-height:18px;margin-top:6px}
.gate-fine{font-size:12px;color:var(--mut);margin-top:12px}
/* Checklist */
.chk{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:12px;cursor:pointer;transition:border-color .2s}
.chk.done{border-color:rgba(57,217,138,.5);opacity:.72}
.chk .box{flex:none;width:26px;height:26px;border-radius:7px;border:2px solid var(--line);display:grid;place-items:center;font-weight:800;color:#15171C;transition:.2s}
.chk.done .box{background:var(--ok);border-color:var(--ok)}
.chk.done .box::after{content:"✓"}
.chk h3{margin:0 0 4px}
.chk .tools{margin-top:8px;display:flex;flex-wrap:wrap;gap:6px}
.chk .tools span{font-size:12px;color:var(--mut);background:#0f1218;border:1px solid var(--line);padding:3px 9px;border-radius:20px}
.progress{height:10px;background:#0f1218;border:1px solid var(--line);border-radius:20px;overflow:hidden;margin:6px 0 22px}
.progress > i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--amber),var(--ok));transition:width .3s}
/* Calculadora */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:760px){.calc{grid-template-columns:1fr}}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;color:var(--mut);margin-bottom:6px}
.field input[type=range]{width:100%}
.field .row{display:flex;align-items:center;gap:10px}
.field input[type=number]{width:110px;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:#0f1218;color:var(--tx);font-size:15px}
.result{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:24px;position:sticky;top:20px}
.bignum{font-size:40px;font-weight:800;color:var(--amber);line-height:1}
.kpi{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}
.kpi:last-child{border-bottom:0}
.kpi b{font-size:18px}
/* Prompt cards / code */
.cat{margin:28px 0 10px}
.prompt{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:12px}
.prompt pre{white-space:pre-wrap;word-wrap:break-word;background:#0f1218;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:13.5px;color:#dfe6ee;margin:10px 0 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.copy{font-size:13px;font-weight:700;color:var(--amber);background:none;border:1px solid var(--line);padding:7px 12px;border-radius:9px;cursor:pointer}
.copy.ok{color:var(--ok);border-color:var(--ok)}
/* Footer */
footer{border-top:1px solid var(--line);margin-top:40px;padding:26px 0 60px;color:var(--mut);font-size:14px;text-align:center}
.back{display:inline-flex;gap:6px;align-items:center;color:var(--mut);font-size:14px;margin:18px 0}

/* ============ PLATAFORMA casdev ============ */
.topnav{position:sticky;top:0;z-index:50;background:rgba(15,17,21,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topnav .in{max-width:var(--max);margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.navlinks{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.navlinks a{color:var(--mut);font-weight:600;font-size:14.5px;padding:8px 12px;border-radius:10px}
.navlinks a:hover,.navlinks a.on{color:var(--tx);background:rgba(255,255,255,.05)}
.navlinks .btn{padding:9px 16px;font-size:14px}
.menubtn{display:none}
@media(max-width:760px){.navlinks{display:none}.navlinks.open{display:flex;position:absolute;top:58px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg2);border-bottom:1px solid var(--line);padding:12px 20px}.menubtn{display:inline-flex;background:none;border:1px solid var(--line);color:var(--tx);border-radius:10px;padding:8px 12px;font-size:18px;cursor:pointer}}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.eyebrow{text-transform:uppercase;letter-spacing:.6px;font-size:13px;font-weight:800;color:var(--amber);margin-bottom:6px}
.stats{display:flex;flex-wrap:wrap;gap:30px;margin:30px 0 6px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.stats .s b{display:block;font-size:32px;font-weight:800;color:var(--amber);line-height:1}
.stats .s span{font-size:13.5px;color:var(--mut)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:8px 0 16px}
.sec-head a{font-size:14px;font-weight:700}
/* notícia */
.newsgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.newscard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:20px;transition:border-color .2s,transform .2s}
.newscard:hover{border-color:rgba(255,200,61,.45);transform:translateY(-3px)}
.newscard .cat{align-self:flex-start;margin:0 0 10px;font-size:11.5px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;color:var(--amber);background:rgba(255,200,61,.1);border:1px solid rgba(255,200,61,.25);padding:4px 10px;border-radius:20px}
.newscard h3{font-size:18px;line-height:1.25;margin-bottom:8px}
.newscard p{color:#c4ccd6;font-size:14.5px;line-height:1.6;margin:0 0 14px}
.newscard .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--mut)}
.newscard .foot a{font-weight:700}
/* projeto */
.projcard{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:24px}
.projcard .cat{font-size:11.5px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;color:var(--amber)}
.projcard h3{font-size:20px;margin:6px 0 4px}
.projcard .cli{font-size:13.5px;color:var(--mut);margin-bottom:14px}
.projcard .blk{margin-bottom:12px}
.projcard .blk .lab{font-size:12px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;color:var(--mut);margin-bottom:3px}
.projcard .blk p{margin:0;font-size:14.5px;color:#c8d0da;line-height:1.55}
.projcard .blk.res p{color:#eef2f6;font-weight:600}
.stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.stack span{font-size:12px;color:var(--mut);background:#0f1218;border:1px solid var(--line);padding:4px 10px;border-radius:20px}
/* consultoria */
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:760px){.two{grid-template-columns:1fr}}
.svc{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:12px;padding:18px}
.svc h3{font-size:16.5px;margin:0 0 4px}
.svc p{margin:0;font-size:14px;color:var(--mut)}
.passo{display:flex;gap:14px;align-items:flex-start;margin-bottom:14px}
.passo .n{flex:none;width:38px;height:38px;border-radius:11px;background:var(--amber);color:#15171C;display:grid;place-items:center;font-weight:800}
.passo h3{margin:4px 0 2px;font-size:17px}
.passo p{margin:0;color:var(--mut);font-size:14.5px}
.faqd{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.faqd summary{list-style:none;padding:16px 18px;font-weight:700;cursor:pointer;display:flex;gap:10px;align-items:center}
.faqd summary::-webkit-details-marker{display:none}
.faqd summary::before{content:"+";color:var(--amber);font-size:22px;font-weight:800;width:18px}
.faqd[open] summary::before{content:"–"}
.faqd .a{padding:0 18px 16px;color:#c4ccd6;font-size:14.5px;line-height:1.6}
/* form */
.formcard{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:26px}
.formcard .field{margin-bottom:14px}
.formcard label{display:block;font-size:13.5px;color:var(--mut);margin-bottom:6px;font-weight:600}
.formcard input,.formcard textarea{width:100%;padding:13px 14px;border-radius:11px;border:1px solid var(--line);background:#0f1218;color:var(--tx);font-size:15px;font-family:inherit}
.formcard input:focus,.formcard textarea:focus{outline:none;border-color:var(--amber)}
.formcard textarea{min-height:96px;resize:vertical}
.formcard .btn{width:100%;margin-top:6px}
.okmsg{display:none;background:rgba(57,217,138,.1);border:1px solid rgba(57,217,138,.4);color:#9be7c4;border-radius:12px;padding:16px;font-weight:600;text-align:center}
.tick2{list-style:none;padding:0;margin:0}
.tick2 li{padding-left:26px;position:relative;margin-bottom:10px;color:#c4ccd6;font-size:14.5px;line-height:1.5}
.tick2 li::before{content:"✓";position:absolute;left:0;color:var(--amber);font-weight:800}