/* Common CSS for Yellow Stone Infra Website */

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

html, body {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: #fff;
  color: #333;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 80px 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #333;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 15px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, #4CAF50, #2E7D32);
  color: white;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2E7D32, #1B5E20);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
  background: white;
  color: #4CAF50;
  border: 2px solid #4CAF50;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
  background: #f9f9f9;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
}

.nav-links {
  display: flex;
  align-items: center;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  font-weight: 600;
  color: #333;
  position: relative;
}

.nav-links a:hover {
  color: #4CAF50;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #4CAF50;
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger div {
  width: 25px;
  height: 3px;
  background-color: #333;
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  color: white;
  position: relative;
  overflow: hidden;
}

/* Default hero background (not for home page) */
.hero:not(.home-hero) {
  background: linear-gradient(135deg, #4CAF50, #2E7D32);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: white;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.floating-circle {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  animation: float 15s infinite ease-in-out;
}

.circle-1 {
  width: 300px;
  height: 300px;
  top: -150px;
  right: -50px;
  animation-delay: 0s;
}

.circle-2 {
  width: 200px;
  height: 200px;
  bottom: -100px;
  right: 30%;
  animation-delay: 2s;
}

.circle-3 {
  width: 150px;
  height: 150px;
  top: 40%;
  right: 10%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

/* Footer */
footer {
  background-color: #333;
  color: white;
  padding: 60px 0 30px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.footer-section h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.footer-section p {
  margin-bottom: 15px;
  opacity: 0.8;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
  color: #4CAF50;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: #4CAF50;
  transform: translateY(-3px);
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 15px;
}

.contact-info i {
  margin-right: 10px;
  color: #4CAF50;
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .hero {
    padding: 130px 0 80px;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 80%;
    height: calc(100vh - 80px);
    flex-direction: column;
    align-items: flex-start;
    background-color: white;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    padding: 30px;
    overflow-y: auto; /* Make the navigation scrollable */
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .nav-links li {
    margin: 15px 0;
    width: 100%;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .container {
    width: 95%;
  }
  
  .btn {
    padding: 10px 25px;
    font-size: 14px;
  }
  
  .hero {
    padding: 120px 0 70px;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
}