* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Poppins, sans-serif;
  scroll-behavior: smooth;
}

:root {
  --primary: #0066ff;
  --secondary: #ff9800;
  --dark: #111827;
  --light: #f5f7fb;
  --white: #ffffff;
  --shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

body {
  background: var(--light);
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
}
section {
  padding: 80px 5%;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 5%;
  box-shadow: var(--shadow);
}

.logo {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
}

.logo i {
  color: var(--secondary);
}

nav {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}

nav a {
  color: #444;
  font-weight: 500;
  transition: 0.3s;
}

nav a:hover {
  color: var(--primary);
}

.btn {
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 40px;
  transition: 0.3s;
}

.btn:hover {
  background: var(--secondary);
}

.hero {
  min-height: 100vh;
  background: url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?auto=format&fit=crop&w=1600&q=80')
    center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 140px 20px 80px;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
}

.hero-content {
  position: relative;
  color: #fff;
  text-align: center;
  max-width: 900px;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.3rem);
  margin-bottom: 35px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-buttons a {
  padding: 15px 35px;
  border-radius: 40px;
  font-weight: 600;
  transition: 0.3s;
}

.primary {
  background: var(--secondary);
  color: #fff;
}

.secondary {
  background: #fff;
  color: var(--primary);
}

.primary:hover,
.secondary:hover {
  transform: translateY(-4px);
}

h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 50px;
}

.cards,
.features,
.contact-box {
  display: grid;
  gap: 25px;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.features {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.contact-box {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card,
.feature,
.contact-box div {
  background: #fff;
  padding: 35px 25px;
  border-radius: 18px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: 0.3s;
}

.card:hover,
.feature:hover,
.contact-box div:hover {
  transform: translateY(-8px);
}

.card i,
.feature i {
  font-size: 55px;
  color: var(--primary);
  margin-bottom: 18px;
}

.offer-box {
  background: linear-gradient(135deg, var(--primary), #00b7ff);
  color: #fff;
  text-align: center;
  border-radius: 20px;
  padding: 60px 25px;
}

.offer-box h2 {
  margin-bottom: 20px;
}

.offer-box p {
  margin-bottom: 30px;
  font-size: 18px;
}

.offer-box a {
  display: inline-block;
  padding: 15px 35px;
  background: var(--secondary);
  color: #fff;
  border-radius: 40px;
  transition: 0.3s;
}

.offer-box a:hover {
  transform: scale(1.05);
}

footer {
  background: var(--dark);
  color: #fff;
  text-align: center;
  padding: 25px;
}

/* Popup */
.popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
}

.popup-content {
  position: relative;
  width: 90%;
  max-width: 500px;
}

.popup-content img {
  border-radius: 15px;
  cursor: pointer;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.close-popup {
  position: absolute;
  right: -10px;
  top: -10px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 24px;
}

/* Floating WhatsApp */
.whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  font-size: 30px;
  box-shadow: var(--shadow);
  z-index: 999;
}

/* Tablet */
@media (max-width: 992px) {
  header {
    padding: 15px 4%;
  }
  nav {
    gap: 15px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 15px;
  }

  .logo {
    font-size: 24px;
  }

  nav {
    justify-content: center;
  }

  .hero {
    padding-top: 180px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons a,
  .btn {
    width: 240px;
    text-align: center;
  }

  .offer-box {
    padding: 40px 20px;
  }

  .popup-content {
    width: 95%;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  section {
    padding: 60px 20px;
  }

  .card,
  .feature {
    padding: 25px 18px;
  }

  .card i,
  .feature i {
    font-size: 42px;
  }

  .offer-box a {
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}