/**
 * Enhanced CSS for ScienceSpark Maharashtra
 * Professional design with improved typography, colors, and responsive layout
 */

/* Base Styles and Variables */
:root {
  --primary-color: #2c6bed;
  --primary-dark: #1a56c7;
  --primary-light: #e8f0fe;
  --secondary-color: #28a745;
  --secondary-dark: #218838;
  --secondary-light: #e6f7e9;
  --accent-color: #f5a623;
  --accent-dark: #e09612;
  --accent-light: #fff8e6;
  --dark-color: #212529;
  --light-color: #f8f9fa;
  --text-color: #333333;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --border-radius-sm: 4px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.3s ease;
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f5f7fa;
  font-size: 16px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark-color);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.25rem;
  color: var(--primary-color);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.text-muted {
  color: var(--text-muted);
}

.text-center {
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-accent {
  background-color: var(--accent-color);
  color: white;
}

.btn-accent:hover {
  background-color: var(--accent-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-outline-primary {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-success {
  background-color: var(--secondary-color);
  color: white;
}

.btn-success:hover {
  background-color: var(--secondary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-lg {
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
}

/* Cards */
.card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--primary-light);
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1.25rem 1.5rem;
  background-color: var(--light-color);
  border-top: 1px solid var(--border-color);
}

/* Header Styles */
.main-header {
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 4px solid;
  border-image: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%) 1;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo a {
  display: flex;
  align-items: center;
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
}

.logo img {
  height: 45px;
  margin-right: 12px;
}

.main-nav .nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav .nav-menu li {
  position: relative;
  margin: 0 5px;
}

.main-nav .nav-menu a {
  display: block;
  padding: 0.6rem 1.2rem;
  color: var(--dark-color);
  font-weight: 600;
  border-radius: var(--border-radius);
}

.main-nav .nav-menu a:hover,
.main-nav .nav-menu a.active {
  color: var(--primary-color);
  background-color: var(--primary-light);
}

.dropdown-toggle {
  display: flex;
  align-items: center;
}

.dropdown-toggle i {
  margin-left: 8px;
  font-size: 0.8rem;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  box-shadow: var(--shadow);
  border-radius: var(--border-radius);
  min-width: 200px;
  display: none;
  z-index: 1;
  padding: 0.5rem 0;
  border: 1px solid var(--border-color);
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu li {
  width: 100%;
  margin: 0;
}

.dropdown-menu a {
  padding: 0.75rem 1.5rem;
  border-radius: 0;
}

.dropdown-menu a:hover {
  background-color: var(--primary-light);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle .bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--dark-color);
  transition: var(--transition);
}

/* Mobile menu styles */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .main-nav .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 80%;
    height: calc(100vh - 70px);
    background-color: white;
    flex-direction: column;
    box-shadow: var(--shadow);
    transition: var(--transition);
    z-index: 1000;
    padding: 1rem 0;
  }
  
  .main-nav .nav-menu.active {
    left: 0;
  }
  
  .main-nav .nav-menu li {
    width: 100%;
    margin: 0;
  }
  
  .main-nav .nav-menu a {
    padding: 0.8rem 1.5rem;
    border-radius: 0;
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    width: 100%;
    display: none;
    padding: 0;
    border: none;
    background-color: rgba(0, 0, 0, 0.03);
  }
  
  .dropdown.active .dropdown-menu {
    display: block;
  }
  
  .dropdown-menu a {
    padding-left: 2.5rem;
  }
  
  .menu-toggle .bar.active:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  
  .menu-toggle .bar.active:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle .bar.active:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }
}

/* Footer Styles */
.main-footer {
  background-color: var(--dark-color);
  color: white;
  padding: 4rem 0 1.5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-logo img {
  height: 55px;
  margin-bottom: 1.25rem;
}

.footer-logo p {
  font-size: 0.95rem;
  opacity: 0.9;
  line-height: 1.7;
}

.footer-links h3,
.footer-grades h3,
.footer-contact h3 {
  color: white;
  margin-bottom: 1.25rem;
  font-size: 1.3rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-links h3::after,
.footer-grades h3::after,
.footer-contact h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
}

.footer-links ul,
.footer-grades ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a,
.footer-grades a {
  color: rgba(255, 255, 255, 0.8);
  display: block;
  padding: 0.5rem 0;
  transition: var(--transition);
}

.footer-links a:hover,
.footer-grades a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
  margin-right: 12px;
  margin-top: 5px;
  color: var(--primary-color);
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 1.5rem;
}

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

.social-icons a:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}