:root {
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --accent: #f97316;
  --bg: #f3f4f6;
  --text: #111827;
  --muted: #6b7280;
  --card-bg: #ffffff;
  --radius: 14px;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

/* NAVBAR */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(20px);
  color: #e5e7eb;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-circle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.brand-title {
  font-size: 18px;
}

.brand-subtitle {
  font-size: 11px;
  color: #9ca3af;
}

.nav-links {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.nav-links a {
  padding: 6px 10px;
  border-radius: 999px;
  transition: background 0.2s;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  color: #e5e7eb;
  font-size: 22px;
  cursor: pointer;
}

/* Sections */

.section {
  padding: 40px 0;
}

.section-alt {
  background: #ffffff;
}

.section-title {
  font-size: 24px;
  margin-bottom: 8px;
}

.section-text {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
}

/* HERO */

.hero {
  padding-top: 44px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: center;
}

.hero-text h2 {
  font-size: 30px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero-text p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.btn-primary,
.btn-secondary {
  padding: 10px 16px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}

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

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--accent));
}

.btn-secondary {
  background: #111827;
  color: #e5e7eb;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
}

.hero-badges span {
  background: #ffffff;
  border-radius: 999px;
  padding: 6px 10px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.09);
}

/* Hero Illustration */

.hero-illustration {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.device {
  border-radius: 16px;
  background: #020617;
  color: #e5e7eb;
  box-shadow: var(--shadow);
}

.device-main {
  width: 100%;
  max-width: 320px;
}

.device-header {
  display: flex;
  gap: 4px;
  padding: 6px 10px;
}

.device-header span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #4b5563;
}

.device-body {
  padding: 14px 14px 16px;
}

.device-body h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.device-body p {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 10px;
}

.kpi-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.kpi {
  flex: 1;
  background: #020617;
  border-radius: 10px;
  padding: 8px;
  border: 1px solid #1f2937;
}

.kpi-label {
  font-size: 11px;
  color: #9ca3af;
}

.kpi-value {
  font-size: 14px;
  font-weight: 600;
}

.mini-chart {
  position: relative;
  height: 50px;
  margin-top: 6px;
  background: #020617;
  border-radius: 10px;
  border: 1px solid #1f2937;
}

.mini-chart .line {
  position: absolute;
  left: 8px;
  right: 8px;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, #22c55e, #facc15);
}

.dot {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #22c55e;
}

.dot-1 { left: 12px; top: 22px; }
.dot-2 { left: 50%; top: 12px; }
.dot-3 { right: 16px; top: 6px; }

.device-tag {
  align-self: flex-end;
  padding: 8px 12px;
  font-size: 11px;
  background: #111827;
}

/* Apps */

.apps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.3fr);
  gap: 24px;
  align-items: center;
}

.apps-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 14px 14px 16px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 6px;
}

.card p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}

.card ul {
  list-style: disc;
  margin-left: 16px;
  font-size: 13px;
}

/* Security */

.security-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.5fr);
  gap: 24px;
  align-items: center;
}

.security-illustration {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.shield {
  width: 150px;
  height: 180px;
  border-radius: 40% 40% 50% 50%;
  background: linear-gradient(145deg, #1d4ed8, #0ea5e9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.shield-inner {
  width: 80px;
  height: 100px;
  border-radius: 40% 40% 50% 50%;
  border: 3px solid #e5e7eb;
}

.security-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.security-tags span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #e0ecff;
  font-size: 12px;
}

/* Future */

.future-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.3fr);
  gap: 24px;
  align-items: center;
}

.timeline {
  border-left: 2px solid #d1d5db;
  padding-left: 14px;
}

.timeline-item {
  position: relative;
  margin-bottom: 18px;
}

.timeline-dot {
  position: absolute;
  left: -14px;
  top: 2px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
}

.timeline-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

/* Contato */

.contact {
  background: #020617;
  color: #e5e7eb;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.5fr);
  gap: 24px;
  align-items: flex-start;
}

.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}

.social-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.social-link {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #111827;
  border: 1px solid #1f2937;
}

.social-link.linkedin {
  border-color: #0ea5e9;
}

.social-link.whatsapp {
  border-color: #22c55e;
}

.contact-form label {
  font-size: 13px;
  margin-bottom: 4px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #374151;
  background: #020617;
  color: #e5e7eb;
  margin-bottom: 8px;
  font-size: 14px;
}

.form-message {
  display: block;
  font-size: 12px;
  margin-top: 4px;
}

/* Footer */

.footer {
  background: #020617;
  border-top: 1px solid #111827;
  color: #9ca3af;
  padding: 12px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}

/* Responsivo */

@media (max-width: 900px) {
  .hero-grid,
  .apps-grid,
  .security-grid,
  .future-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-illustration {
    align-items: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    inset: 52px 16px auto 16px;
    background: #020617;
    border-radius: 12px;
    padding: 8px;
    flex-direction: column;
    display: none;
  }

  .nav-links.show {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }
}