/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background: #f0f4f8;
  color: #111;
  transition: 0.3s ease;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
}
html {
  scroll-behavior: smooth;
}
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* Header */
header {
  background: linear-gradient(to right, #001f3f, #003366);
  color: white;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 999;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: bold;
}
.logo img {
  height: 48px;
}
.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.nav-links a {
  color: white;
  font-weight: 500;
}
.nav-links a:hover {
  color: #00bcd4;
}
#themeToggle {
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(to bottom right, #0077b6, #00b4d8);
  color: white;
  text-align: center;
  padding: 100px 20px;
}
.hero h2 {
  font-size: 2rem;
}
.btn {
  display: inline-block;
  margin-top: 20px;
  background: #ffffff;
  color: #0077b6;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: bold;
  transition: 0.3s;
}
.btn:hover {
  background: #e0e0e0;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Sections */
.section {
  padding: 60px 20px;
  text-align: center;
}
h2 {
  font-size: 28px;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}
h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, #0077b6, #00a896, #e63946, #588157);
  border-radius: 2px;
}
ul {
  text-align: left;
  max-width: 700px;
  margin: auto;
  padding-left: 20px;
}

/* Services */
#services {
  background: linear-gradient(to right, #f8f9fa, #e9ecef);
  position: relative;
  overflow: hidden;
}
#services::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, #0077b6, #00a896, #e63946, #588157);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.service-card {
  background: linear-gradient(145deg, #ffffff, #f0f0f0);
  padding: 30px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 3px solid #0077b6;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0,119,182,0.2);
}
.service-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255,255,255,0.05), rgba(255,255,255,0.2), rgba(255,255,255,0.05));
  transition: all 0.7s ease;
}
.service-card:hover::after {
  left: 100%;
}
.service-card i {
  font-size: 36px;
  margin-bottom: 15px;
  transition: transform 0.3s ease, color 0.3s ease;
}
.service-card:hover i {
  transform: rotate(5deg) scale(1.1);
}
.service-card:nth-child(1) i { color: #0077b6; }
.service-card:nth-child(2) i { color: #00a896; }
.service-card:nth-child(3) i { color: #e63946; }
.service-card:nth-child(4) i { color: #588157; }
.service-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
  color: #333;
  transition: color 0.3s ease;
}
.service-card:hover h3 {
  color: #0077b6;
}

/* Demo */
.demo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.demo-gallery img {
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
  width: 100%;
  transition: transform 0.3s ease;
}
.demo-gallery img:hover {
  transform: scale(1.05);
}

/* Contact */
.contact-section {
  background: #f8f9fa;
  padding: 60px 20px;
  text-align: center;
  border-top: 4px solid #4e73df;
  border-radius: 20px;
}

.contact-section h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: #333;
}

.contact-details p {
  font-size: 1.1rem;
  margin: 10px 0;
  color: #222;
}

.contact-details i {
  color: #4e73df;
  margin-right: 8px;
}

.contact-details a {
  color: #111;
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-details a:hover {
  color: #4e73df;
}

.socials {
  margin-top: 20px;
}

.socials a {
  font-size: 1.8rem;
  margin: 0 12px;
  color: #555;
  transition: color 0.3s ease, transform 0.3s ease;
}

.socials a:hover {
  color: #4e73df;
  transform: scale(1.2);
}


/* Footer */
footer {
  background: #001f3f;
  color: white;
  text-align: center;
  padding: 20px 0;
}

/* Dark Mode */
/* Dark Mode */
body.dark-mode {
  background: #121212;
  color: #eaeaea;
}
/* Fix for dark mode contact text visibility */
body.dark-mode .contact-details a,
body.dark-mode .contact-details p {
  color: #eaeaea;
}

body.dark-mode .contact-details a:hover {
  color: #00bcd4;
}

body.dark-mode .contact-section h2 {
  color: #ffffff;
}


/* Header, Hero, Footer, Cards, and Section backgrounds */
body.dark-mode header,
body.dark-mode .hero,
body.dark-mode footer,
body.dark-mode .section,
body.dark-mode #services,
body.dark-mode .service-card {
  background: #1e1e1e;
  color: #eaeaea;
}

/* Button styling */
body.dark-mode .btn {
  background: #00bcd4;
  color: #001f3f;
}

/* Nav Links & Social Icons */
body.dark-mode .nav-links a,
body.dark-mode .socials a {
  color: #eaeaea;
}

/* Hover effect for nav links */
body.dark-mode .nav-links a:hover {
  color: #00bcd4;
}

/* Headings in dark mode */
body.dark-mode h2::after {
  background: linear-gradient(to right, #00bcd4, #5eead4, #ff6b6b, #9ae6b4);
}

/* Demo Gallery images - optional darker overlay if needed */
body.dark-mode .demo-gallery img {
  box-shadow: 0 3px 8px rgba(255, 255, 255, 0.1);
}

/* Service card icons */
body.dark-mode .service-card:nth-child(1) i { color: #00bcd4; }
body.dark-mode .service-card:nth-child(2) i { color: #5eead4; }
body.dark-mode .service-card:nth-child(3) i { color: #ff6b6b; }
body.dark-mode .service-card:nth-child(4) i { color: #9ae6b4; }

body.dark-mode .service-card h3 {
  color: #eaeaea;
}


/* Responsive */
@media screen and (max-width: 768px) {
  .hero h2 {
    font-size: 1.5rem;
  }
  .nav-links {
    gap: 10px;
    font-size: 14px;
  }
  .logo {
    font-size: 18px;
  }
  .modal-content {
    width: 95%;
  }
}

/* Modal */
.img-modal {
  display: none;
  position: fixed;
  z-index: 999;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
  animation: fadeIn 0.3s ease forwards;
}
.modal-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80vh;
}
.close {
  position: absolute;
  top: 30px;
  right: 35px;
  color: white;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
}
#caption {
  margin: 15px auto;
  text-align: center;
  color: #ccc;
  font-size: 16px;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}