:root {
  --primary-color: #0a3d62;
  --secondary-color: #2ecc71;
  --accent-color: #3498db;
  --light-color: #f8f9fa;
  --dark-color: #2c3e50;
  --text-color: #333;
  --bg-color: #fff;
  --card-bg: #fff;
  --header-bg: rgba(255, 255, 255, 0.98);
  --footer-bg: #1a252f;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
  --gradient: linear-gradient(135deg, #0a3d62 0%, #1a5f8a 100%);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: var(--transition);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles - Reduced Size */
header {
  background-color: var(--header-bg);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  /* Reduced from 15px */
}

/* Logo Styles */
.logo-container {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 10px;
  /* Reduced gap */
}

.logo-img {
  height: 45px;
  /* Reduced from 60px, now consistent */
  width: auto;
  border-radius: 6px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text h1 {
  font-size: 1.5rem;
  /* Reduced from 1.9rem */
  color: var(--primary-color);
  letter-spacing: 0.5px;
  font-weight: 800;
  line-height: 1.2;
}

.logo-text span {
  color: var(--secondary-color);
}

.logo-text p {
  font-size: 0.7rem;
  /* Slightly reduced */
  color: var(--accent-color);
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* Controls Container - ensures menu button is on the right */
.controls-container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-left: auto;
  /* Pushes to the right */
}

/* Navigation */
nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 20px;
  /* Slightly reduced */
}

nav ul li a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 600;
  transition: var(--transition);
  padding: 5px 0;
  position: relative;
  font-size: 0.95rem;
  /* Slightly smaller */
}

nav ul li a:hover {
  color: var(--secondary-color);
}

nav ul li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  left: 0;
  bottom: 0;
  transition: var(--transition);
}

nav ul li a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--primary-color);
  margin-left: 10px;
}

/* Hero Section (adjust top padding due to smaller header) */
.hero {
  padding: 160px 0 100px;
  /* Reduced top padding from 180px */
  background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(10, 61, 98, 0.9)), url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1470&q=80');
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
}

.hero h2 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 30px;
}

.btn {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #229954;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  width: 70px;
  height: 4px;
  background: var(--secondary-color);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-color);
  max-width: 700px;
  margin: 20px auto 0;
  font-size: 1.1rem;
}

/* Features, Courses, Internship, Certification, Projects (unchanged) */
.features-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--card-bg);
  padding: 35px 25px;
  border-radius: 10px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--secondary-color);
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.courses-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.course-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.course-card:hover {
  transform: translateY(-10px);
}

.course-img {
  height: 250px;
  background-color: var(--light-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary-color);
}

.course-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* keeps image clean */
}
.course-content {
  padding: 25px;
}

.course-content h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.course-content p {
  margin-bottom: 20px;
  color: var(--text-color);
}

.course-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  align-items: center;
}

.price::before {
  content: "₹";
  margin-right: 2px;
}

.price {
  font-weight: 700;
  color: var(--secondary-color);
  font-size: 1.2rem;
}

.internship-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.internship-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 4px solid var(--accent-color);
}

.internship-card:hover {
  transform: translateY(-5px);
}

.internship-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.internship-card ul {
  list-style-position: inside;
  margin-top: 15px;
}

.internship-card li {
  margin-bottom: 8px;
}

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

.certification-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.certification-card:hover {
  transform: scale(1.05);
}

.cert-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.project-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-10px);
}

.project-img {
  height: 180px;
  background-color: var(--light-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary-color);
}

.project-content {
  padding: 25px;
}

.project-content h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

.tag {
  background-color: var(--light-color);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* WhatsApp Button */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.whatsapp-float:hover {
  background-color: #128C7E;
  transform: scale(1.1);
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: white;
  padding: 60px 0 30px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h3 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: var(--secondary-color);
}

.footer-col p,
.footer-col a {
  color: #bbb;
  margin-bottom: 10px;
  display: block;
  text-decoration: none;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

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

.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%;
  transition: var(--transition);
}

.social-icons a:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #bbb;
  font-size: 0.9rem;
}

/* ========== MEDIA QUERIES (Enhanced for menu button placement) ========== */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }

  .hero h2 {
    font-size: 3.5rem;
  }
}

@media (min-width: 992px) and (max-width: 1199px) {
  .container {
    max-width: 960px;
  }

  .hero h2 {
    font-size: 2.8rem;
  }

  .courses-container,
  .features-container,
  .internship-container,
  .certification-container,
  .projects-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .container {
    max-width: 720px;
  }

  .hero {
    padding: 140px 0 80px;
  }

  .hero h2 {
    font-size: 2.3rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .courses-container,
  .features-container,
  .internship-container,
  .certification-container,
  .projects-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Ensure menu button stays right */
  .controls-container {
    margin-left: auto;
  }
}

@media (min-width: 576px) and (max-width: 767px) {
  .container {
    max-width: 540px;
  }

  .header-container {
    flex-wrap: wrap;
  }

  .logo-container {
    margin-bottom: 5px;
  }

  .controls-container {
    margin-left: auto;
  }

  .hero {
    padding: 140px 0 70px;
  }

  .hero h2 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

  .courses-container,
  .features-container,
  .internship-container,
  .certification-container,
  .projects-container {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    width: 55px;
    height: 55px;
    bottom: 25px;
    right: 25px;
    font-size: 28px;
  }
}

@media (max-width: 575px) {
  .container {
    width: 100%;
    padding: 0 15px;
  }

  .header-container {
    flex-wrap: wrap;
    padding: 8px 0;
  }

  .logo-container {
    width: auto;
    max-width: calc(100% - 60px);
    /* leave space for menu button */
    justify-content: flex-start;
    margin-bottom: 0;
  }

  .logo-img {
    height: 40px;
  }

  .logo-text h1 {
    font-size: 1.2rem;
  }

  .logo-text p {
    font-size: 0.65rem;
  }

  .controls-container {
    width: auto;
    margin-left: auto;
  }

  .menu-toggle {
    display: block;
    margin-left: 10px;
  }

  nav ul {
    position: fixed;
    top: 70px;
    /* adjusted for smaller header */
    left: 0;
    width: 100%;
    background-color: var(--header-bg);
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    box-shadow: var(--shadow);
    display: none;
  }

  nav ul.active {
    display: flex;
  }

  nav ul li {
    margin: 12px 0;
  }

  .hero {
    padding: 140px 0 60px;
  }

  .hero h2 {
    font-size: 1.7rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .btn {
    padding: 10px 25px;
    font-size: 0.95rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-title h2 {
    font-size: 1.6rem;
  }

  .section-title p {
    font-size: 0.95rem;
  }

  .course-content h3,
  .feature-card h3,
  .internship-card h3,
  .project-content h3 {
    font-size: 1.3rem;
  }

  .course-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .price {
    font-size: 1.1rem;
  }

  .certification-card {
    padding: 25px;
  }

  .footer-col h3 {
    font-size: 1.3rem;
  }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
    font-size: 26px;
  }
}

@media (max-width: 360px) {
  .logo-text h1 {
    font-size: 1.1rem;
  }

  .logo-text p {
    font-size: 0.6rem;
  }

  .hero h2 {
    font-size: 1.5rem;
  }

  .hero p {
    font-size: 0.9rem;
  }

  .course-content {
    padding: 20px;
  }

  .project-tags {
    gap: 5px;
  }

  .tag {
    padding: 4px 8px;
    font-size: 0.7rem;
  }
}

@media print {

  header,
  footer,
  .hero,
  .whatsapp-float,
  .controls-container,
  .menu-toggle {
    display: none;
  }

  body {
    background-color: white;
    color: black;
  }

  .section {
    page-break-inside: avoid;
    padding: 20px 0;
  }

  .course-card,
  .certification-card,
  .internship-card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

@media (max-height: 600px) and (orientation: landscape) {
  .hero {
    padding: 120px 0 50px;
  }

  .hero h2 {
    font-size: 1.8rem;
  }

  nav ul {
    max-height: 80vh;
    overflow-y: auto;
  }
}