* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background: #f4f7fb;
  color: #222;
}

/* ================= HEADER ================= */
header {
  background: #0a2540;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 999;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  color: white;
  font-weight: bold;
  font-size: 16px;
}

.logo {
  height: 38px;
  margin-right: 8px;
}

nav {
  display: flex;
}

nav a {
  color: #fff;
  margin-left: 18px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

nav a:hover {
  color: #00d2ff;
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  color: white;
  font-size: 22px;
  cursor: pointer;
}

/* ================= HERO ================= */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  margin-top: 65px;
}

.hero-slider .slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slider .active {
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  top: 50%;
  transform: translateY(-50%);
  padding: 15px;
}

.hero-content h1 {
  font-size: 38px;
  margin-bottom: 12px;
}

.hero-content p {
  font-size: 17px;
  margin-bottom: 22px;
}

.btn {
  background: #00d2ff;
  color: #000;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 30px;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  background: white;
}

.btn.light {
  background: white;
  color: #0a2540;
}

/* ================= SECTIONS ================= */
section {
  padding: 70px 18px;
  text-align: center;
}

section h2 {
  font-size: 30px;
  margin-bottom: 26px;
  color: #0a2540;
}

/* ================= GRIDS ================= */
.grid {
  display: grid;
  gap: 22px;
}

.services-grid,
.projects-grid,
.testimonial-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

/* ================= SERVICES ================= */
.services {
  background: #eef5ff;
}

.service-card {
  background: white;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  transition: 0.3s;
}

.service-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.service-card h3 {
  margin: 14px 0 6px;
  color: #0a2540;
}

.service-card p {
  padding: 0 14px 18px;
  font-size: 14px;
}

.service-card:hover {
  transform: translateY(-8px);
}

/* ================= PROJECTS ================= */
.projects {
  background: white;
}

.projects-grid img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  transition: 0.4s;
}

.projects-grid img:hover {
  transform: scale(1.05);
}

/* ================= TESTIMONIALS ================= */
.testimonials {
  background: #eef5ff;
}

.testimonial-card {
  background: white;
  padding: 26px 22px;
  border-radius: 14px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  transition: 0.3s;
}

.testimonial-card i {
  font-size: 34px;
  color: #00d2ff;
  margin-bottom: 14px;
}

.testimonial-card:hover {
  transform: translateY(-8px);
}

/* ================= CONTACT SHORT ================= */
.contact-short {
  background: #0a2540;
  color: white;
}

.contact-short p {
  margin: 10px 0 22px;
}

/* ================= FOOTER ================= */
footer {
  background: #000;
  color: white;
  padding: 14px;
  text-align: center;
}

/* ================= WHATSAPP FLOAT ================= */
.whatsapp-float {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #25d366;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  text-decoration: none;
  z-index: 9999;
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

/* ================= MOBILE FIXES ================= */
@media (max-width: 768px) {

  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 60px;
    right: 0;
    background: #0a2540;
    flex-direction: column;
    width: 100%;
    display: none;
    text-align: center;
    padding-bottom: 10px;
  }

  nav.show {
    display: flex;
  }

  nav a {
    margin: 12px 0;
    font-size: 15px;
  }

  .hero-content h1 {
    font-size: 24px;
  }

  .hero-content p {
    font-size: 14px;
  }

  section h2 {
    font-size: 24px;
  }

  .service-card img,
  .projects-grid img {
    height: 170px;
  }
}

/* ================= PAGE HEADER ================= */
.page-header {
  background: linear-gradient(135deg, #0a2540, #00d2ff);
  color: white;
  text-align: center;
  padding: 90px 15px 50px;
}

.page-header h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

.page-header p {
  font-size: 15px;
  opacity: 0.9;
}

/* ================= GALLERY ================= */
.gallery-section {
  background: #f4f7fb;
  padding: 60px 15px;
}

.gallery-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.gallery-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 14px;
  cursor: pointer;
  transition: 0.4s;
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

.gallery-grid img:hover {
  transform: scale(1.05);
}