/* Paleta principal FourMind
- Azul: #4D8BB6
- Roxo: #6863A9
- Ciano: #3AA8C0
- Magenta: #883198
- Preto: #000000
- Branco: #FFFFFF
*/

:root {
  --blue: #4D8BB6;
  --purple: #6863A9;
  --cyan: #3AA8C0;
  --magenta: #883198;
  --black: #000000;
  --white: #ffffff;

  --bg: #0c0d12;
  --text: #e9ecf6;
  --muted: #b6bfd9;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow-1: 0 12px 30px rgba(22, 28, 45, 0.35);
  --shadow-2: 0 20px 50px rgba(22, 28, 45, 0.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, "Poppins", Arial, sans-serif;
  background: linear-gradient(180deg, #0b0c11 0%, #0d1020 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { opacity: 0.9; }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 12, 17, 0.6);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand img { height: 36px; }

.menu {
  display: flex;
  gap: 24px;
}
.menu a {
  color: var(--text);
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 8px;
  transition: background 0.2s ease;
}
.menu a:hover {
  background: rgba(255,255,255,0.06);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.brain-net {
  position: absolute;
  right: -120px;
  top: -60px;
  width: 800px;
  height: 600px;
  opacity: 0.35;
  filter: drop-shadow(0 20px 50px rgba(77, 139, 182, 0.25));
}
.particles {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(58, 168, 192, 0.6), transparent 40px),
    radial-gradient(1px 1px at 60% 70%, rgba(104, 99, 169, 0.6), transparent 50px),
    radial-gradient(1px 1px at 80% 40%, rgba(136, 49, 152, 0.5), transparent 40px);
  opacity: 0.35;
}

.hero-content {
  position: relative;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.08;
  margin: 0 0 16px;
  background: linear-gradient(90deg, var(--purple), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero p {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--muted);
  max-width: 740px;
  margin: 0 0 28px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
}
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.2s;
}
.btn-primary {
  color: var(--white);
  background: linear-gradient(90deg, var(--magenta), var(--blue));
  box-shadow: var(--shadow-1);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-outline {
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
}
.btn-outline:hover { transform: translateY(-2px); }

.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.badge {
  font-size: 13px;
  font-weight: 700;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(90deg, rgba(104,99,169,0.6), rgba(77,139,182,0.6));
  border: 1px solid rgba(255,255,255,0.12);
}

/* Seções */
.section { padding: 80px 0; }
.section h2 {
  font-size: clamp(28px, 3.5vw, 36px);
  margin: 0 0 20px;
  font-weight: 800;
}
.section-subtitle {
  color: var(--muted);
  margin: -4px 0 24px;
}

/* Grid utilitário */
.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
}
@media (max-width: 940px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* Cards e efeitos */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 20px;
}
.card-glow {
  background: radial-gradient(1200px 400px at 100% 0%, rgba(58, 168, 192, 0.06), transparent 65%),
              radial-gradient(500px 300px at 0% 100%, rgba(104, 99, 169, 0.08), transparent 60%),
              rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

/* Sobre */
.about-text p { color: var(--muted); }
.about-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 20px;
}
.highlight {
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}
.highlight img { height: 28px; margin-bottom: 8px; }
.highlight strong { display: block; color: var(--white); }
.highlight span { color: var(--muted); }
.about-media img { border-radius: var(--radius); }

/* Diferenciais */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-icon img { height: 28px; }
.feature h3 { margin: 12px 0 8px; }
.feature p { color: var(--muted); }

/* Time */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.team-card { padding: 0; }
.team-card .avatar img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.team-card .info {
  padding: 16px;
}
.team-card .role {
  color: var(--cyan);
  font-weight: 700;
  display: inline-block;
  margin: 2px 0 8px;
}
.team-card p { color: var(--muted); }
.socials {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.socials a { color: var(--text); }
.socials a:hover { color: var(--cyan); }

/* Roadmap */
.roadmap-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}
.roadmap-list li {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 10px;
}

/* Contato */
.contact-items {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin: 14px 0 22px;
}
.contact-item {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}
.contact-item img { height: 24px; }
.contact-item strong { display: block; }
.contact-item .link { color: var(--cyan); }

.contact-form .form-row {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}
.contact-form label { font-weight: 600; }
.contact-form input, .contact-form textarea {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(58,168,192,0.2);
}
.form-feedback {
  margin-top: 10px;
  color: var(--cyan);
  min-height: 18px;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(11,12,17,0.6);
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
  padding: 28px 0;
  margin-left: 12px;
  justify-content: center;
  align-items: center;
}
.footer-brand img { height: 28px; margin-bottom: 8px; }
.footer-links, .footer-social {
  display: grid;
  gap: 8px;
}
.footer-links a, .footer-social a { color: var(--muted); }
.footer-links a:hover, .footer-social a:hover { color: var(--text); }
.footer-copy {
  display: flex;
  justify-content: center;
  padding-bottom: 24px;
  color: var(--muted);
}

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 28px rgba(0,0,0,0.35);
  z-index: 80;
}
.whatsapp-fab img { width: 26px; height: 26px; }
.whatsapp-fab:hover { transform: translateY(-2px); }

/* Responsividade */
@media (max-width: 960px) {
  .menu { display: none; }
  .menu-toggle { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .contact-items { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 82px 0 60px; }
  .hero-actions { flex-direction: column; }
  .badge { font-size: 12px; padding: 6px 10px; }
}