/* base.css — tokens, nav, footer e WhatsApp compartilhados */
:root{
  --bg:#0A0B0F;
  --bg-2:#0D0F14;
  --panel:#14171C;
  --panel-2:#1A1E25;
  --line:#262B33;
  --line-soft:#1E232B;
  --red:#FF2A3A;
  --red-deep:#C8101E;
  --cyan:#00E5FF;
  --warn:#FF9D00;
  --white:#F5F7FA;
  --muted:#8A93A0;
  --muted-2:#5B636E;
  --ok:#27E08A;
  --glow-red:0 0 24px rgba(255,42,58,.45);
  --glow-cyan:0 0 22px rgba(0,229,255,.35);
  --display:'Chakra Petch',sans-serif;
  --body:'Inter',sans-serif;
  --mono:'JetBrains Mono',monospace;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--white);
  font-family:var(--body);line-height:1.55;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(255,42,58,.10), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(0,229,255,.06), transparent 60%);
}
/* subtle grid + scanlines */
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),
                   linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.01em;margin:0}
.mono{font-family:var(--mono)}
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--muted);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--red);box-shadow:var(--glow-red)}
.tag{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  padding:3px 8px;border:1px solid var(--line);border-radius:3px;color:var(--muted)}
/* ============ NAV ============ */
header{position:sticky;top:0;z-index:40;backdrop-filter:blur(12px);
  background:linear-gradient(180deg,rgba(10,11,15,.92),rgba(10,11,15,.55));
  border-bottom:1px solid var(--line-soft)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;
  font-size:16px;letter-spacing:.04em}
.logo .mark{width:30px;height:30px;flex:none;border-radius:7px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--red),var(--red-deep));box-shadow:var(--glow-red);
  font-family:var(--mono);font-weight:700;font-size:15px;position:relative}
.logo-icon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;margin-right:8px;flex:none;color:var(--red)}
.logo-icon svg{width:100%;height:100%;filter:drop-shadow(0 0 10px rgba(255,42,58,.5))}
.logo small{display:block;font-family:var(--mono);font-weight:400;font-size:9px;
  letter-spacing:.3em;color:var(--muted);margin-top:1px}
.logo-nav{flex-direction:column;align-items:center;gap:3px}
.logo-tag-nav{padding:0}
.logo-tag-nav small{display:block;font-family:var(--mono);font-weight:500;font-size:9px;
  letter-spacing:.22em;color:var(--cyan);white-space:nowrap;line-height:1.2}
.logo-footer{flex-direction:column;align-items:flex-start;gap:14px}
.logo-tag-footer{padding:0;margin-top:2px}
.logo-tag-footer small{display:block;font-family:var(--mono);font-weight:500;font-size:10px;
  letter-spacing:.22em;color:var(--cyan);white-space:nowrap;line-height:1.2}
.nav-links{display:flex;gap:26px;margin-left:14px}
.nav-links a{font-size:13px;color:var(--muted);transition:.2s;position:relative}
.nav-links a:hover{color:var(--white)}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{font-family:var(--display);font-weight:600;font-size:13px;letter-spacing:.02em;
  padding:10px 18px;border-radius:6px;cursor:pointer;border:1px solid transparent;
  transition:.2s;display:inline-flex;align-items:center;gap:8px;background:none;color:var(--white)}
.btn-ghost{border-color:var(--line);color:var(--muted)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--white);box-shadow:var(--glow-cyan)}
.btn-red{background:linear-gradient(135deg,var(--red),var(--red-deep));box-shadow:var(--glow-red)}
.btn-red:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-cyan{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn-cyan:hover{background:rgba(0,229,255,.08);box-shadow:var(--glow-cyan)}
.btn-lg{padding:14px 26px;font-size:15px}
.nav-burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);
  color:var(--white);width:42px;height:38px;border-radius:6px;cursor:pointer;font-size:18px}

/* ============ FOOTER ============ */
footer{border-top:1px solid var(--line-soft);padding:54px 0 30px;position:relative;z-index:2;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.foot-grid h5{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);margin:0 0 16px}
.foot-grid a{display:block;color:var(--muted);font-size:13.5px;padding:5px 0;transition:.2s}
.foot-grid a:hover{color:var(--white)}
.foot-about p{color:var(--muted);font-size:13.5px;max-width:280px;margin:16px 0 0}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line-soft);
  font-family:var(--mono);font-size:11px;color:var(--muted-2)}
/* ============ WHATSAPP ============ */
.whatsapp-btn{position:fixed;bottom:24px;right:24px;
  display:inline-flex;align-items:center;gap:11px;
  width:auto;height:auto;
  background:linear-gradient(135deg,#25D366,#20BA58);border-radius:999px;
  padding:12px 20px 12px 14px;cursor:pointer;
  box-shadow:0 8px 24px rgba(37,211,102,.4);transition:.3s;z-index:50;
  text-decoration:none;color:#fff;border:none;font-family:var(--display);font-weight:600;font-size:14px}
.whatsapp-btn:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(37,211,102,.55)}
.whatsapp-btn .wa-ico{display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.18);flex:none;
  animation:waPulse 2.4s ease-out infinite}
.whatsapp-btn .wa-text{white-space:nowrap;letter-spacing:.01em;line-height:1}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(255,255,255,.45)}70%{box-shadow:0 0 0 12px rgba(255,255,255,0)}100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}}
/* círculo compacto (páginas internas) */
.whatsapp-btn--icon{width:60px;height:60px;padding:0;border-radius:50%;justify-content:center;font-size:0;gap:0}
.whatsapp-btn--icon .wa-ico{width:100%;height:100%;background:transparent;animation:none}
.whatsapp-btn--icon:hover{transform:scale(1.08)}
@media(max-width:768px){
  .whatsapp-btn:not(.whatsapp-btn--icon){bottom:84px;right:16px;padding:0;width:56px;height:56px;justify-content:center;border-radius:50%}
  .whatsapp-btn:not(.whatsapp-btn--icon) .wa-text{display:none}
  .whatsapp-btn:not(.whatsapp-btn--icon) .wa-ico{width:56px;height:56px;background:transparent;animation:none}
  .whatsapp-btn--icon{width:56px;height:56px;bottom:20px;right:20px}
}
@media(prefers-reduced-motion:reduce){.whatsapp-btn .wa-ico{animation:none}}