/* ==========================================================================
   Diego Simões — Gestor de Tráfego Pago
   Design tokens
   ========================================================================== */

:root{
  --ink:        #0D1117;
  --ink-panel:  #141B26;
  --ink-line:   #232C3B;
  --paper:      #F1EEE6;
  --paper-line: #DEDACD;
  --off:        #ECEEF2;
  --muted:      #8C93A3;
  --muted-2:    #6B7280;
  --signal:     #F5A623;
  --signal-dim: #B97C1B;
  --teal:       #2FC5AE;
  --ink-text:   #10151F;

  --display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --body:    'IBM Plex Sans', 'Segoe UI', sans-serif;
  --mono:    'IBM Plex Mono', 'Courier New', monospace;

  --max: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--ink);
  color:var(--off);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--display); margin:0; line-height:1.08; letter-spacing:-0.01em; }
p{ margin:0; }
.wrap{ max-width:var(--max); margin:0 auto; padding:0 28px; }

.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:18px; height:1px;
  background:var(--signal);
  display:inline-block;
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- nav ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(13,17,23,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ink-line);
}
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; padding:16px 28px; }
.brand{ font-family:var(--display); font-weight:700; font-size:18px; letter-spacing:-.01em; color:var(--off); display:flex; align-items:center; gap:8px;}
.brand span{ color:var(--signal); }
.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-links a{ font-size:14.5px; color:var(--muted); transition:color .2s; }
.nav-links a:hover{ color:var(--off); }
.nav-cta{
  font-family:var(--mono); font-size:13px; letter-spacing:.03em;
  background:var(--signal); color:#1a1204; padding:10px 18px; border-radius:3px;
  font-weight:600; transition:background .2s, transform .2s;
}
.nav-cta:hover{ background:#ffb845; transform:translateY(-1px); }
.nav-toggle{ display:none; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:14px; letter-spacing:.02em;
  padding:14px 26px; border-radius:3px; font-weight:600;
  transition:transform .2s, background .2s, border-color .2s;
  cursor:pointer; border:1px solid transparent;
}
.btn-primary{ background:var(--signal); color:#1a1204; }
.btn-primary:hover{ background:#ffb845; transform:translateY(-2px); }
.btn-ghost{ border-color:var(--ink-line); color:var(--off); }
.btn-ghost:hover{ border-color:var(--muted); transform:translateY(-2px); }
.btn-ghost.on-paper{ border-color:var(--paper-line); color:var(--ink-text); }
.btn-ghost.on-paper:hover{ border-color:var(--ink-text); }

/* ---------- hero ---------- */
.hero{ padding:76px 0 40px; position:relative; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.hero h1{
  font-size:clamp(34px, 4.6vw, 56px);
  margin:18px 0 22px;
  color:var(--off);
}
.hero h1 em{ font-style:normal; color:var(--signal); }
.hero p.lead{ font-size:17.5px; color:var(--muted); max-width:46ch; margin-bottom:32px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:38px; }
.hero-meta{ display:flex; gap:28px; flex-wrap:wrap; }
.hero-meta div{ font-family:var(--mono); font-size:12.5px; color:var(--muted-2); }
.hero-meta strong{ display:block; color:var(--off); font-size:14px; margin-bottom:2px; font-family:var(--body); font-weight:600;}

/* ---------- funnel signature visual ---------- */
.funnel-viz{ position:relative; }
.funnel-viz svg{ width:100%; height:auto; overflow:visible; }
.funnel-stage-label{ font-family:var(--mono); font-size:11px; letter-spacing:.08em; fill:var(--muted); text-transform:uppercase; }
.funnel-stage-label.active{ fill:var(--signal); font-weight:600; }
.funnel-dot{ animation:drop 3.2s ease-in-out infinite; }
.funnel-dot.d2{ animation-delay:.6s; }
.funnel-dot.d3{ animation-delay:1.2s; }
.funnel-dot.d4{ animation-delay:1.8s; }
@keyframes drop{
  0%{ transform:translateY(0); opacity:0; }
  8%{ opacity:1; }
  85%{ opacity:1; }
  100%{ transform:translateY(190px); opacity:0; }
}

/* ---------- sections generic ---------- */
section{ padding:88px 0; }
.section-head{ max-width:640px; margin-bottom:52px; }
.section-head h2{ font-size:clamp(26px,3vw,38px); margin-top:14px; color:var(--off); }
.section-head p{ color:var(--muted); margin-top:14px; font-size:16px; }

.on-paper{ background:var(--paper); color:var(--ink-text); }
.on-paper .eyebrow{ color:var(--signal-dim); }
.on-paper .eyebrow::before{ background:var(--signal-dim); }
.on-paper .section-head h2{ color:var(--ink-text); }
.on-paper .section-head p{ color:#5B5647; }

/* ---------- about ---------- */
.about-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:64px; align-items:start; }
.about-figure{
  aspect-ratio:4/5; border-radius:6px; position:relative; overflow:hidden;
  background:linear-gradient(155deg,#1b2433,#0d1117 65%);
  border:1px solid var(--ink-line);
  display:flex; align-items:flex-end; padding:26px;
}
.about-figure .mono-tag{ font-family:var(--mono); font-size:12px; color:var(--signal); letter-spacing:.06em; }
.about-body p{ color:var(--muted); margin-bottom:18px; font-size:16px; }
.about-body p strong{ color:var(--off); font-weight:600; }
.tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.tag{ font-family:var(--mono); font-size:12px; border:1px solid var(--ink-line); padding:7px 12px; border-radius:20px; color:var(--muted); }

/* ---------- services ---------- */
.svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--ink-line); border:1px solid var(--ink-line); border-radius:8px; overflow:hidden; }
.svc-card{ background:var(--ink); padding:34px 28px; }
.svc-num{ font-family:var(--mono); color:var(--signal-dim); font-size:13px; }
.svc-card h3{ font-size:19px; margin:16px 0 12px; color:var(--off); }
.svc-card p{ color:var(--muted); font-size:14.5px; }

/* ---------- funnel offer band ---------- */
.offer{
  border:1px solid var(--ink-line); border-radius:10px;
  padding:48px; display:grid; grid-template-columns:1.2fr .8fr; gap:40px; align-items:center;
  background:linear-gradient(135deg, rgba(245,166,35,.06), rgba(47,197,174,.04));
}
.offer h3{ font-size:26px; color:var(--off); margin-bottom:14px; }
.offer p{ color:var(--muted); font-size:15.5px; }
.offer-cta{ text-align:right; }

/* ---------- process ---------- */
.process-list{ display:flex; flex-direction:column; }
.process-item{
  display:grid; grid-template-columns:70px 1fr; gap:28px;
  padding:26px 0; border-top:1px solid var(--paper-line);
}
.process-item:last-child{ border-bottom:1px solid var(--paper-line); }
.process-item .n{ font-family:var(--mono); font-size:14px; color:var(--signal-dim); padding-top:2px; }
.process-item h4{ font-size:18px; color:var(--ink-text); margin-bottom:8px; }
.process-item p{ color:#5B5647; font-size:14.5px; max-width:60ch; }

/* ---------- case ---------- */
.case-card{
  border:1px solid var(--ink-line); border-radius:10px; padding:38px;
  display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:center;
}
.case-tag{ font-family:var(--mono); font-size:12px; color:var(--teal); letter-spacing:.06em; }
.case-card h3{ font-size:22px; margin:12px 0 14px; color:var(--off); }
.case-card p{ color:var(--muted); font-size:15px; margin-bottom:10px;}
.case-stats{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.case-stat{ border:1px solid var(--ink-line); border-radius:6px; padding:18px; }
.case-stat b{ font-family:var(--mono); font-size:22px; color:var(--signal); display:block; }
.case-stat span{ font-size:12.5px; color:var(--muted-2); }

/* ---------- contact ---------- */
.contact-band{ text-align:center; padding:100px 0; }
.contact-band h2{ font-size:clamp(30px,4vw,48px); margin:16px 0 20px; }
.contact-band p{ color:var(--muted); max-width:50ch; margin:0 auto 34px; font-size:17px; }
.contact-links{ display:flex; justify-content:center; gap:16px; flex-wrap:wrap; }

/* ---------- footer ---------- */
footer{ border-top:1px solid var(--ink-line); padding:30px 0; }
footer .wrap{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
footer p{ font-family:var(--mono); font-size:12px; color:var(--muted-2); }
footer .fnav{ display:flex; gap:20px; }
footer .fnav a{ font-size:12.5px; color:var(--muted); }
footer .fnav a:hover{ color:var(--off); }

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-grid, .about-grid, .offer, .case-card{ grid-template-columns:1fr; }
  .offer{ padding:32px; }
  .offer-cta{ text-align:left; }
  .svc-grid{ grid-template-columns:1fr; }
  .nav-links{ display:none; }
}