/* Global Styles */
body {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  background: #f9f9f9;
  color: #333;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
h1, h2, h3 { font-weight: 600; margin: 0; }

/* Header */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  z-index: 1000;
}
header .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #0066cc;
}
nav a {
  margin: 0 15px;
  font-weight: 500;
  transition: color 0.3s;
}
nav a:hover, nav a.active { color: #0066cc; }

/* Hero Section */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
}
.hero img {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  position: absolute;
  top: 0; left: 0;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}
.hero img.active { opacity: 1; }
.hero .overlay {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  max-width: 700px;
}
.hero h1 {
  font-size: 3rem;
  text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
}
.hero p {
  margin-top: 15px;
  font-size: 1.2rem;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
}
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: #0066cc;
  color: #fff;
  border-radius: 5px;
  transition: background 0.3s, transform 0.3s;
}
.btn:hover { background: #004c99; transform: scale(1.05); }

/* About Preview */
.about-preview {
  padding: 80px 40px;
  text-align: center;
  background: #fff;
}
.about-preview p {
  max-width: 700px;
  margin: 20px auto;
  font-size: 1.1rem;
  color: #555;
}

/* Featured Projects */
.featured-projects {
  padding: 80px 40px;
  background: #f1f1f1;
}
.featured-projects h2 { text-align: center; margin-bottom: 40px; }
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}
.project-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}
.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.project-card h3 {
  margin: 15px;
  font-size: 1.3rem;
  color: #0066cc;
}
.project-card p {
  margin: 0 15px 20px;
  color: #555;
}
.project-card .btn {
  margin: 0 15px 20px;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Contact Preview */
.contact-preview {
  padding: 60px 40px;
  background: #0066cc;
  color: #fff;
  text-align: center;
}
.contact-preview a { color: #fff; font-weight: bold; }

/* WhatsApp Floating Button */
.whatsapp-btn {
  position: fixed;
  bottom: 20px; right: 20px;
  background: #25D366;
  color: #fff;
  padding: 15px;
  border-radius: 50%;
  font-size: 1.5rem;
  box-shadow: 0 3px 10px rgba(0,0,0,0.3);
  transition: transform 0.3s;
  z-index: 1000;
}
.whatsapp-btn:hover { transform: scale(1.1); }

/* Footer */
footer {
  background: #222;
  color: #aaa;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  header { padding: 10px 20px; }
  nav a { margin: 0 10px; }
}
/* Scroll Reveal */
.project-card, .about-preview, .contact-preview {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}
.project-card.visible, .about-preview.visible, .contact-preview.visible {
  opacity: 1;
  transform: translateY(0);
}

/* WhatsApp Pulse */
.whatsapp-btn.pulse {
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.8);
}
/* Hero for inner pages */
.small-hero {
  background: linear-gradient(to right, #0ea5a3, #3b82f6);
  color: #fff;
  height: 40vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 0 20px;
}
.small-hero h1 { font-size: 2.2rem; margin-bottom: 10px; }

/* Project cards */
.card img {
  width: 100%; border-top-left-radius: 12px; border-top-right-radius: 12px;
}
.card .body { padding: 20px; }
.card h3 { margin-bottom: 10px; font-size: 1.2rem; }

/* About Section */
.about-section {
  padding: 80px 40px;
  background: #fff;
  max-width: 1000px;
  margin: auto;
}
.about-block {
  margin-bottom: 40px;
}
.about-block h2 {
  color: #0066cc;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}
.about-block h2 i {
  margin-right: 10px;
}
.about-block p, .about-block ul {
  color: #555;
  font-size: 1.1rem;
}
.about-block ul {
  list-style: none;
  padding: 0;
}
.about-block ul li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}
.about-block ul li::before {
  content: "✔";
  color: #0066cc;
  position: absolute;
  left: 0;
}
/* Projects Page Hero */
.page-hero {
  padding: 120px 40px 60px;
  text-align: center;
  background: linear-gradient(to right, #0066cc, #004c99);
  color: #fff;
}
.page-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}
.page-hero p {
  font-size: 1.2rem;
  margin-top: 5px;
}

/* Projects Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  padding: 80px 40px;
  background: #f9f9f9;
}
.project-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}
.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.project-card h3 {
  margin: 15px;
  font-size: 1.3rem;
  color: #0066cc;
}
.project-card p {
  margin: 0 15px 20px;
  color: #555;
  font-size: 1rem;
}
.project-card .btn {
  margin: 0 15px 20px;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Individual Project Detail Pages (optional) */
.project-detail {
  max-width: 1000px;
  margin: 80px auto;
  padding: 40px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}
.project-detail img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 20px;
}
.project-detail h2 {
  color: #0066cc;
  margin-bottom: 15px;
}
.project-detail p {
  color: #555;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
  .page-hero h1 { font-size: 2rem; }
  .page-hero p { font-size: 1rem; }
  .project-grid { padding: 40px 20px; }
}