/* ====================================================================
   Athena Chrome Bridge — Landing Page
   Escuro premium · um acento (gradiente roxo→ciano) · Inter
   ==================================================================== */
:root{
  --bg:#0b0d14;
  --surface:#11141f;
  --surface-2:#151a2b;
  --text:#eef1f8;
  --muted:#8b93ab;
  --muted-2:#5d647c;
  --c1:#6d5df6;
  --c2:#22d3ee;
  --grad:linear-gradient(135deg,var(--c1),var(--c2));
  --border:rgba(255,255,255,.08);
  --ok:#34d399;
  --header-h:64px;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
section{scroll-margin-top:calc(var(--header-h) + 8px)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}

/* ---------- botões ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14px;
  border:none;border-radius:12px;padding:12px 22px;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
  box-shadow:0 8px 24px rgba(109,93,246,.35);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 32px rgba(109,93,246,.5)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.04);color:var(--text);font-weight:600;font-size:14px;
  border:1px solid var(--border);border-radius:12px;padding:12px 22px;cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.btn-ghost:hover{border-color:var(--c1);background:rgba(109,93,246,.1)}
.btn-lg{padding:14px 26px;font-size:15px}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header-h);
  background:rgba(11,13,20,.75);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px}
.brand-mark{font-size:22px}
.brand-name b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:26px}
.nav-links a{font-size:14px;font-weight:500;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:12px}
.menu-btn{display:none;background:none;border:1px solid var(--border);color:var(--text);font-size:18px;border-radius:10px;padding:6px 12px;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;min-height:calc(100svh - var(--header-h));padding:calc(var(--header-h) + 40px) 0 64px;overflow:hidden;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden;will-change:transform}
.grid-overlay{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 0%,#000 25%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 80% at 50% 0%,#000 25%,transparent 78%);
}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;will-change:transform}
.orb-1{width:560px;height:560px;top:-160px;left:-120px;background:radial-gradient(circle,rgba(109,93,246,.55),transparent 70%);animation:orb-drift 16s ease-in-out infinite alternate}
.orb-2{width:480px;height:480px;top:-80px;right:-140px;background:radial-gradient(circle,rgba(34,211,238,.45),transparent 70%);animation:orb-drift 20s ease-in-out infinite alternate-reverse}
.orb-3{width:420px;height:420px;bottom:-180px;left:34%;background:radial-gradient(circle,rgba(109,93,246,.32),transparent 70%);animation:orb-drift 24s ease-in-out infinite alternate}
@keyframes orb-drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(60px,40px,0) scale(1.12)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;width:100%}
.hero-copy{max-width:560px}
.badge{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--c2);
  border:1px solid rgba(34,211,238,.3);background:rgba(34,211,238,.06);border-radius:99px;
  padding:7px 16px;margin-bottom:24px;letter-spacing:.02em;
}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);animation:dot-blink 2.2s ease-in-out infinite}
@keyframes dot-blink{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(46px,6.4vw,86px);line-height:1.02;font-weight:900;letter-spacing:-.03em;margin-bottom:24px;text-wrap:balance}
.hero h1 .grad{white-space:nowrap}
.hero .sub{font-size:18px;color:var(--muted);margin-bottom:34px;max-width:48ch}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--muted-2)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-visual{will-change:transform;min-width:0}

/* terminal (âncora visual do hero) */
.terminal{
  background:#0d1018;border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:hidden;
  box-shadow:0 40px 110px rgba(0,0,0,.6),0 0 90px rgba(109,93,246,.14);
  font-family:ui-monospace,Consolas,'Cascadia Mono',monospace;
}
.term-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.03)}
.term-title{flex:1;font-size:12px;color:var(--muted-2);letter-spacing:.03em}
.term-badge{font-size:11px;color:var(--ok);border:1px solid rgba(52,211,153,.35);border-radius:99px;padding:3px 10px;background:rgba(52,211,153,.08)}
.term-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:9px;font-size:13.5px;line-height:1.5}
.tline{opacity:0}
.t-prefix{color:var(--c2);font-weight:700;margin-right:6px}
.t-arg{color:var(--text);opacity:.75}
.t-tool{margin-right:8px}
.t-dim{color:var(--muted-2)}
.t-ok{color:var(--ok)}
.cursor{display:inline-block;width:9px;height:18px;background:var(--c2);vertical-align:text-bottom;animation:blink 1s steps(2) infinite;box-shadow:0 0 8px rgba(34,211,238,.7)}
@keyframes blink{0%{opacity:1}50%{opacity:0}}
.term-foot{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px;border-top:1px solid var(--border);background:rgba(255,255,255,.02)}
.term-foot span{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;color:var(--muted);border:1px solid var(--border);border-radius:99px;padding:4px 10px}

/* ticker de comandos */
.ticker{border-top:1px solid var(--border);border-bottom:1px solid var(--border);overflow:hidden;background:rgba(255,255,255,.015)}
.ticker-track{display:flex;gap:26px;align-items:center;white-space:nowrap;padding:14px 0;width:max-content;animation:ticker 30s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{font-family:ui-monospace,Consolas,monospace;font-size:13px;color:var(--muted)}
.tick-sep{color:var(--c2)}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* stats (contadores animados) */
.stats{border-bottom:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:46px 28px;text-align:center;border-left:1px solid var(--border)}
.stat:first-child{border-left:none}
.stat b{
  display:block;font-size:58px;font-weight:900;letter-spacing:-.03em;line-height:1;margin-bottom:10px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{font-size:14px;color:var(--muted)}

/* mockup de navegador */
.window{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  box-shadow:0 40px 100px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.02);
  overflow:hidden;
}
.window-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.dot{width:11px;height:11px;border-radius:50%;display:inline-block}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.window-url{flex:1;text-align:center;font-size:12px;color:var(--muted-2);background:rgba(255,255,255,.04);border-radius:8px;padding:4px 12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.window-body{position:relative;min-height:340px;padding:28px;background:
  radial-gradient(400px 200px at 80% 0%,rgba(109,93,246,.08),transparent 70%)}
.page-skeleton{display:flex;flex-direction:column;gap:14px;max-width:70%}
.sk{display:block;border-radius:6px;background:rgba(255,255,255,.07)}
.sk-title{height:16px;width:55%}
.sk-line{height:9px;width:100%}
.sk-line.short{width:72%}

/* painel flutuante (mockup) */
.athena-panel{
  position:absolute;right:22px;bottom:84px;width:290px;
  background:var(--surface-2);border:1px solid var(--border);border-radius:14px;
  box-shadow:0 24px 60px rgba(0,0,0,.6);
  font-size:12px;overflow:hidden;
  animation:panel-in .7s cubic-bezier(.2,.9,.3,1.2) .5s backwards;
}
@keyframes panel-in{from{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:none}}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;font-weight:700;border-bottom:1px solid var(--border);background:rgba(255,255,255,.03)}
.panel-x{color:var(--muted-2)}
.panel-log{display:flex;flex-direction:column;gap:7px;padding:12px}
.msg{border-radius:10px;padding:7px 9px;white-space:pre-wrap;word-break:break-word}
.msg.user{align-self:flex-end;background:var(--grad);color:#fff}
.msg.ai{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid var(--border)}
.msg.tool{align-self:flex-start;color:var(--muted);font-size:11px;padding:2px 4px}
.panel-input{display:flex;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid var(--border)}
.input-ph{flex:1;color:var(--muted-2);font-size:12px}
.send{background:var(--grad);color:#fff;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:none}
.fab{
  position:absolute;right:22px;bottom:22px;width:52px;height:52px;border-radius:50%;border:none;
  background:var(--grad);color:#fff;font-size:22px;cursor:pointer;
  box-shadow:0 10px 30px rgba(109,93,246,.55);
  animation:fab-pulse 2.6s ease-in-out infinite .9s;
}
@keyframes fab-pulse{0%,100%{box-shadow:0 10px 30px rgba(109,93,246,.55)}50%{box-shadow:0 10px 40px rgba(34,211,238,.75)}}

/* ---------- seções ---------- */
.section{padding:104px 0}
.section-title{font-size:clamp(28px,3.4vw,40px);font-weight:900;letter-spacing:-.02em;line-height:1.15;margin-bottom:16px}
.section-sub{font-size:16px;color:var(--muted);max-width:56ch}

/* benefícios (sem cards — divisórias) */
.support{border-top:1px solid var(--border)}
.support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px}
.support-item{padding:8px 28px 8px 0;border-left:1px solid var(--border);padding-left:28px}
.support-item:first-child{border-left:none;padding-left:0}
.support-item h3{font-size:17px;font-weight:800;margin-bottom:10px}
.support-item p{font-size:14px;color:var(--muted)}

/* como funciona */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:56px}
.step{padding:0 36px;border-left:1px solid var(--border)}
.step:first-child{border-left:none;padding-left:0}
.step-num{font-size:44px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px}
.step h3{font-size:18px;font-weight:800;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
kbd{font-family:inherit;font-size:12px;background:var(--surface-2);border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:2px 7px}

/* caso de uso */
.caso{background:linear-gradient(180deg,transparent,rgba(109,93,246,.05) 40%,rgba(34,211,238,.05) 90%,transparent)}
.caso-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.caso-list{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.caso-list li{list-style:none;font-size:15px;color:var(--text);font-weight:500}
.window-chat{max-width:440px;margin-left:auto}
.panel-log.big{min-height:300px;font-size:13px;gap:9px}

/* segurança */
.sec-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:56px;border-top:1px solid var(--border);border-left:1px solid var(--border)}
.sec-item{padding:32px 36px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.sec-item b{font-size:18px;font-weight:800;display:block;margin-bottom:10px}
.sec-item p{font-size:14px;color:var(--muted)}
.sec-item code{font-family:ui-monospace,Consolas,monospace;font-size:13px;color:var(--c2)}
.sec-link{margin-top:28px;font-size:14px}
.sec-link a{color:var(--c2);font-weight:600;border-bottom:1px solid rgba(34,211,238,.3);padding-bottom:2px;transition:border-color .15s}
.sec-link a:hover{border-color:var(--c2)}

/* github */
.github-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.repo{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.repo-head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.repo-dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.repo-name{font-family:ui-monospace,Consolas,monospace;font-size:13px;color:var(--muted)}
.repo-body{padding:22px 18px;display:flex;flex-direction:column;gap:18px}
.repo-desc{font-size:14px;color:var(--text)}
.repo-langs{display:flex;gap:8px;flex-wrap:wrap}
.lang{font-size:11px;font-weight:600;border-radius:99px;padding:4px 10px;border:1px solid var(--border);color:var(--muted)}
.lang.js{color:#f7df1e;border-color:rgba(247,223,30,.35)}
.lang.py{color:#4b8bbe;border-color:rgba(75,139,190,.35)}
.lang.md{color:var(--c2);border-color:rgba(34,211,238,.35)}
.repo-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--muted-2)}

/* phoenyx */
.phoenyx{position:relative;text-align:center;overflow:hidden}
.phoenyx::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 300px at 50% 0%,rgba(109,93,246,.16),transparent 70%);
}
.phoenyx-inner{position:relative}
.phoenyx .section-title{font-size:clamp(30px,4vw,46px)}
.phoenyx .section-sub{margin:0 auto 36px;max-width:54ch}

/* footer */
.footer{border-top:1px solid var(--border);padding:56px 0;background:var(--surface)}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.footer p{font-size:13px;color:var(--muted)}
.footer-links{display:flex;gap:26px;font-size:14px}
.footer-links a{color:var(--muted);transition:color .15s}
.footer-links a:hover{color:var(--text)}
.copy{font-size:12px!important;color:var(--muted-2)!important}

/* ---------- reveals (o Motion assume a animação; .visible = fallback) ---------- */
.reveal{opacity:0;transform:translateY(26px)}
.reveal.visible{opacity:1;transform:none}

/* ---------- barra de progresso de scroll (Motion) ---------- */
.progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:60;
  background:var(--grad);transform-origin:left;transform:scaleX(0);
  pointer-events:none;
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  .terminal .tline{opacity:1}
  .orb,.ticker-track,.cursor{animation:none}
  .progress{display:none}
}

/* ---------- responsivo ---------- */
@media (max-width:960px){
  .hero-grid,.caso-grid,.github-inner{grid-template-columns:1fr;gap:48px}
  .hero{padding-top:calc(var(--header-h) + 32px)}
  .hero-copy{max-width:none}
  .hero-visual{max-width:560px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:0}
  .stat:nth-child(3){border-left:none}
  .support-grid{grid-template-columns:1fr 1fr;gap:0}
  .support-item:nth-child(3){border-left:none;padding-left:0}
  .window-chat{margin:0 auto}
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;
    background:rgba(11,13,20,.97);backdrop-filter:blur(14px);padding:16px 24px 24px;gap:6px;
    border-bottom:1px solid var(--border);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;font-size:16px}
  .menu-btn{display:block}
  .nav-actions .btn-primary{display:none}
}
@media (max-width:640px){
  .section{padding:76px 0}
  .stats-grid{grid-template-columns:1fr 1fr;gap:0}
  .stat{padding:32px 16px}
  .stat b{font-size:44px}
  .stat:nth-child(3){border-left:none}
  .support-grid{grid-template-columns:1fr}
  .support-item,.support-item:nth-child(3){border-left:none;padding-left:0;padding:22px 0;border-top:1px solid var(--border)}
  .support-item:first-child{border-top:none}
  .steps{grid-template-columns:1fr;gap:34px}
  .step{border-left:none;padding:0;border-top:1px solid var(--border);padding-top:26px}
  .step:first-child{border-top:none;padding-top:0}
  .sec-grid{grid-template-columns:1fr}
  .hero h1{font-size:42px}
  .cta-row .btn-lg{width:100%}
  .term-body{font-size:12.5px;padding:16px}
  .ticker-track{animation-duration:20s}
}