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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #222;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

header {
  background: #0f172a;
  color: white;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

header h1 {
  font-size: 24px;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 18px;
  font-weight: bold;
}

nav a:hover {
  color: #93c5fd;
}

.hero {
  background: linear-gradient(to right, #0f172a, #1e3a8a);
  color: white;
  padding: 95px 0;
  text-align: center;
}

.tagline {
  color: #bfdbfe;
  font-weight: bold;
  margin-bottom: 15px;
}

.hero h2 {
  font-size: 44px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 18px;
  max-width: 900px;
  margin: 0 auto 30px;
}

.hero-buttons,
.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  background: #2563eb;
  color: white;
  padding: 13px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.button:hover {
  background: #1d4ed8;
}

.whatsapp {
  background: #16a34a;
}

.whatsapp:hover {
  background: #15803d;
}

.email-button {
  background: #0f172a;
}

.email-button:hover {
  background: #1e293b;
}

.intro-section {
  background: white;
  padding: 60px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
  align-items: start;
}

.intro-section h2 {
  color: #0f172a;
  margin-bottom: 15px;
  font-size: 32px;
}

.intro-section p {
  font-size: 17px;
}

.intro-box {
  background: #f4f6f8;
  padding: 25px;
  border-radius: 10px;
  border-left: 5px solid #2563eb;
}

.intro-box h3 {
  margin-bottom: 12px;
  color: #1e3a8a;
}

.intro-box ul {
  padding-left: 20px;
}

.intro-box li {
  margin-bottom: 8px;
}

.section {
  padding: 65px 0;
}

.section h2 {
  text-align: center;
  font-size: 34px;
  margin-bottom: 15px;
  color: #0f172a;
}

.section-intro {
  max-width: 800px;
  margin: 0 auto 35px;
  text-align: center;
  font-size: 17px;
}

.light {
  background: white;
}

.light p {
  max-width: 900px;
  margin: 0 auto 18px;
  font-size: 17px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.07);
}

.service-card {
  text-decoration: none;
  color: #222;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.12);
}

.card h3 {
  color: #1e3a8a;
  margin-bottom: 12px;
}

.service-card span {
  display: inline-block;
  margin-top: 15px;
  color: #2563eb;
  font-weight: bold;
}

.details-section {
  background: #eef2f7;
}

.detail-box {
  background: white;
  padding: 28px;
  border-radius: 10px;
  margin-bottom: 22px;
  border-left: 5px solid #1e3a8a;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
}

.detail-box h3 {
  color: #1e3a8a;
  margin-bottom: 10px;
}

.detail-box p {
  font-size: 17px;
}

.reviews-section {
  background: white;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.review-card {
  background: #f4f6f8;
  padding: 25px;
  border-radius: 10px;
  border-top: 4px solid #2563eb;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
}

.review-card p {
  font-style: italic;
  margin-bottom: 15px;
}

.review-card h4 {
  color: #1e3a8a;
}

.contact-section {
  text-align: center;
  background: #eef2f7;
}

.contact-section p {
  max-width: 800px;
  margin: 0 auto 20px;
}

.contact-box {
  background: white;
  max-width: 650px;
  margin: 25px auto;
  padding: 25px;
  border-radius: 10px;
  text-align: left;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.07);
}

.contact-box a {
  color: #1e3a8a;
  text-decoration: none;
  font-weight: bold;
}

.contact-box a:hover {
  text-decoration: underline;
}

.floating-whatsapp {
  position: fixed;
  left: 20px;
  bottom: 20px;
  background: #16a34a;
  color: white;
  padding: 14px 18px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  z-index: 2000;
}

.floating-whatsapp:hover {
  background: #15803d;
}

footer {
  background: #0f172a;
  color: white;
  text-align: center;
  padding: 22px;
}

@media (max-width: 900px) {
  .cards,
  .review-grid,
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .hero h2 {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  .nav-container {
    text-align: center;
    display: block;
  }

  nav {
    margin-top: 15px;
  }

  nav a {
    display: inline-block;
    margin: 8px;
  }

  .hero {
    padding: 70px 0;
  }

  .hero h2 {
    font-size: 30px;
  }

  .floating-whatsapp {
    left: 12px;
    bottom: 12px;
    padding: 12px 15px;
    font-size: 14px;
  }
}