:root {
  --primary: #173b72;
  --primary-dark: #112c55;
  --bg: #f5f8fc;
  --text: #1e293b;
  --white: #ffffff;
}

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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.topbar {
  background: var(--white);
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  height: 58px;
  width: auto;
  display: block;
}

.btn-login {
  text-decoration: none;
  color: var(--white);
  background: var(--primary);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  transition: background-color 0.2s ease;
}

.btn-login:hover {
  background: var(--primary-dark);
}

.hero {
  background: linear-gradient(135deg, #173b72 0%, #204e98 100%);
  color: var(--white);
  padding: 88px 0 80px;
}

.hero-content {
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 8px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2rem, 4.8vw, 3rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 28px;
}

.btn-primary {
  display: inline-block;
  background: var(--white);
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 10px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.features {
  padding: 52px 0 72px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--white);
  border: 1px solid #dbe4f0;
  border-radius: 12px;
  padding: 22px;
}

.card h2 {
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.card p {
  color: #334155;
}

.value {
  padding: 8px 0 72px;
}

.value-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

.value-text h2,
.proof h2,
.pricing h2 {
  color: var(--primary);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.value-text p {
  margin-bottom: 12px;
}

.value-list-card {
  background: var(--white);
  border: 1px solid #dbe4f0;
  border-radius: 14px;
  padding: 24px;
}

.value-list-card h3 {
  color: var(--primary);
  margin-bottom: 12px;
}

.value-list-card ul {
  padding-left: 18px;
}

.value-list-card li {
  margin-bottom: 8px;
  color: #334155;
}

.proof {
  background: var(--white);
  padding: 72px 0;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
}

.proof-content {
  max-width: 900px;
}

.proof p {
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.proof .btn-primary,
.pricing .btn-primary {
  background: var(--primary);
  color: var(--white);
}

.pricing {
  padding: 72px 0 84px;
}

.pricing-subtitle {
  max-width: 760px;
  margin-bottom: 24px;
}

.pricing-card {
  background: var(--white);
  border: 2px solid #d1def2;
  border-radius: 16px;
  padding: 30px;
  max-width: 720px;
}

.pricing-label {
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 6px;
}

.pricing-price {
  color: #0f1f39;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
  margin-bottom: 12px;
}

.pricing-price strong {
  color: var(--primary);
}

.pricing-text {
  margin-bottom: 22px;
}

.site-footer {
  background: #0f2c56;
  color: #dbeafe;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer p {
  text-align: center;
  font-size: 0.95rem;
}

.site-footer a {
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  background: #25d366;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  z-index: 40;
  transition: transform 0.2s ease;
  animation: whatsapp-pulse 2.2s infinite;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: var(--white);
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45), 0 10px 24px rgba(0, 0, 0, 0.2);
  }

  70% {
    box-shadow: 0 0 0 14px rgba(37, 211, 102, 0), 0 10px 24px rgba(0, 0, 0, 0.2);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 10px 24px rgba(0, 0, 0, 0.2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    animation: none;
  }
}

@media (max-width: 920px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .value-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav {
    min-height: 70px;
  }

  .brand-logo {
    height: 50px;
  }

  .hero {
    padding-top: 72px;
    padding-bottom: 64px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-tag {
    display: block;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    max-width: 100%;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .proof,
  .pricing,
  .features,
  .value {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .pricing-card {
    padding: 24px;
  }
}