/* ============================================================
   GRCA — Consultoria em BI & IA
   Tema: dark navy + ciano
   ============================================================ */

:root {
  --bg: #0b1220;
  --bg-2: #0f172a;
  --bg-3: #16213b;
  --card: #111b31;
  --line: rgba(148, 163, 184, 0.14);
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #0ea5e9;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --radius: 14px;
  --maxw: 1140px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.logo .mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #06121f;
  font-size: 0.8rem;
  font-weight: 900;
}

.logo em { color: var(--accent); font-style: normal; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-cta {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #06121f !important;
  font-weight: 700 !important;
  padding: 10px 20px;
  border-radius: 999px;
  transition: transform 0.15s, box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(34, 211, 238, 0.35);
}

.menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-size: 1.3rem;
  width: 42px;
  height: 42px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 75% 10%, rgba(14, 165, 233, 0.16), transparent),
    radial-gradient(ellipse 50% 45% at 15% 90%, rgba(34, 211, 238, 0.08), transparent),
    var(--bg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero .container { position: relative; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(34, 211, 238, 0.35);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 720px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  margin-top: 20px;
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 640px;
}

.hero-actions { margin-top: 34px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: 999px;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #06121f;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34, 211, 238, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Stats ---------- */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}

.stats .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 44px;
  padding-bottom: 44px;
  text-align: center;
}

.stat .num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat .label { color: var(--text-dim); font-size: 0.95rem; margin-top: 4px; }

/* ---------- Sections ---------- */
section.block { padding: 90px 0; }

section.block.alt { background: var(--bg-2); }

.section-head { max-width: 640px; margin-bottom: 48px; }

.section-head .kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 10px;
}

.section-head p { color: var(--text-dim); margin-top: 14px; }

/* ---------- Cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.45); }

.card .icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }

.card p { color: var(--text-dim); font-size: 0.95rem; }

.card ul {
  margin-top: 14px;
  list-style: none;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.card ul li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}

.card ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ---------- Etapas / metodologia ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  position: relative;
}

.step .n {
  font-size: 2rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  margin-bottom: 12px;
}

.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }

.step p { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Destaque IA ---------- */
.feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.feature h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.feature h2 em { color: var(--accent); font-style: normal; }

.feature p { color: var(--text-dim); margin-top: 16px; }

.feature .points { margin-top: 24px; list-style: none; }

.feature .points li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--text);
  font-size: 0.98rem;
}

.feature .points .check {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  margin-top: 2px;
}

/* painel decorativo */
.panel {
  background: linear-gradient(160deg, var(--bg-3), var(--card));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.panel .panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.panel .dots { display: flex; gap: 6px; }

.panel .dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.panel .dots span:first-child { background: var(--accent); }

.panel .kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.panel .kpi {
  background: rgba(11, 18, 32, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 12px;
}

.panel .kpi .v { font-weight: 800; font-size: 1.25rem; color: var(--accent); }

.panel .kpi .l { font-size: 0.72rem; color: var(--text-dim); margin-top: 2px; }

.panel .bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 110px;
  background: rgba(11, 18, 32, 0.6);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}

.panel .bars i {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--accent), rgba(34, 211, 238, 0.25));
  opacity: 0.85;
}

/* ---------- CTA final ---------- */
.cta-final {
  text-align: center;
  padding: 100px 0;
  background:
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(14, 165, 233, 0.18), transparent),
    var(--bg-2);
  border-top: 1px solid var(--line);
}

.cta-final h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.cta-final p { color: var(--text-dim); margin: 16px auto 34px; max-width: 520px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 36px;
  background: var(--bg);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-grid .about { max-width: 380px; color: var(--text-dim); font-size: 0.92rem; }

.footer-links { display: flex; gap: 48px; }

.footer-links h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.footer-links ul { list-style: none; }

.footer-links li { margin-bottom: 10px; }

.footer-links a { color: var(--text); font-size: 0.95rem; }

.footer-links a:hover { color: var(--accent); }

.copyright {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Página Sobre ---------- */
.page-hero {
  padding: 90px 0 70px;
  background:
    radial-gradient(ellipse 60% 50% at 70% 0%, rgba(14, 165, 233, 0.14), transparent),
    var(--bg);
  border-bottom: 1px solid var(--line);
}

.page-hero .kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 10px;
  max-width: 700px;
}

.page-hero p { color: var(--text-dim); margin-top: 16px; max-width: 620px; font-size: 1.1rem; }

.timeline { margin-top: 8px; }

.timeline .item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.timeline .item:last-child { border-bottom: none; }

.timeline .year { font-weight: 800; color: var(--accent); font-size: 1.15rem; }

.timeline h3 { font-size: 1.05rem; margin-bottom: 6px; }

.timeline p { color: var(--text-dim); font-size: 0.95rem; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .grid-3, .steps { grid-template-columns: 1fr 1fr; }
  .feature { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    padding: 20px 24px;
    gap: 18px;
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  .grid-3, .grid-2, .steps { grid-template-columns: 1fr; }
  .stats .container { grid-template-columns: 1fr; gap: 28px; }
  .hero { padding: 70px 0 60px; }
  section.block { padding: 60px 0; }
  .timeline .item { grid-template-columns: 1fr; gap: 6px; }
}