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

body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	line-height: 1.6;
	color: #333;
	background-color: white;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}
.logo, .nav-links, .auth-buttons {
	padding: 20px;
}
.logo-icon img {
	width: 35px;
	color: white;
}
/* Header */
header {
	background: white;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
	position: sticky;
	top: 0;
	z-index: 1000;
}

nav {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 1rem 0;
	position: relative;
}

.logo {
	display: flex;
	align-items: center;
	font-size: 1.5rem;
	font-weight: bold;
	color: #38b6ff;
}

.logo-icon {
	width: 40px;
	height: 40px;
	background: #38b6ff;
	border-radius: 50%;
	margin-right: 10px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 1.2rem;
}

.nav-links {
	display: flex;
	list-style: none;
	gap: 2rem;
}

.nav-links > li {
	position: relative;
}

.nav-links a {
	text-decoration: none;
	color: #333;
	font-weight: 500;
	transition: color 0.3s ease;
	display: block;
	padding: 0.5rem 0;
}

.nav-links a:hover {
	color: #38b6ff;
}

.dropdown {
	position: absolute;
	top: 100%;
	left: 0;
	background: white;
	min-width: 200px;
	box-shadow: 0 5px 20px rgba(0,0,0,0.1);
	border-radius: 8px;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-10px);
	transition: all 0.3s ease;
	z-index: 1000;
}

.nav-links li:hover .dropdown {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.dropdown a {
	padding: 0.75rem 1rem;
	border-bottom: 1px solid #f0f0f0;
}

.dropdown a:last-child {
	border-bottom: none;
}

.dropdown a:hover {
	background: #f8fafc;
	color: #38b6ff;
}

.auth-buttons {
	display: flex;
	gap: 1rem;
}

.btn {
	padding: 0.5rem;
	border: none;
	border-radius: 5px;
	cursor: pointer;
	font-weight: 500;
	text-decoration: none;
	display: inline-block;
	transition: all 0.3s ease;
	text-align: center;
}

.btn-primary {
	background: #38b6ff;
	color: white;
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 4px 15px rgba(56, 182, 255, 0.3);
	background: #1599e5;
}

.btn-secondary {
	background: transparent;
	color: #38b6ff;
	border: 2px solid #38b6ff;
}

.btn-secondary:hover {
	background: #38b6ff;
	color: white;
}

.btn-pink {
	background: #ff66c4;
	color: white;
}

.btn-pink:hover {
	transform: translateY(-2px);
	box-shadow: 0 4px 15px rgba(255, 102, 196, 0.3);
	background: #e055b0;
}

/* Hamburger Menu */
.hamburger {
	display: none;
	flex-direction: column;
	cursor: pointer;
	background: none;
	border: none;
	width: 30px;
	height: 30px;
	justify-content: space-between;
	align-items: center;
}

.hamburger span {
	display: block;
	height: 3px;
	width: 100%;
	background: #333;
	border-radius: 2px;
	transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
	transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
	opacity: 0;
}

.hamburger.active span:nth-child(3) {
	transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	right: 0;
	background: white;
	box-shadow: 0 5px 20px rgba(0,0,0,0.1);
	border-radius: 0 0 10px 10px;
}

.mobile-menu.active {
	display: block;
}

.mobile-nav-links {
	list-style: none;
	padding: 1rem;
}

.mobile-nav-links li {
	margin-bottom: 0.5rem;
}

.mobile-nav-links a {
	display: block;
	padding: 0.75rem;
	text-decoration: none;
	color: #333;
	border-radius: 5px;
	transition: background 0.3s ease;
}

.mobile-nav-links a:hover {
	background: #f8fafc;
	color: #38b6ff;
}

.mobile-dropdown {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease;
}

.mobile-dropdown.active {
	max-height: 500px;
}

.mobile-dropdown a {
	padding-left: 2rem;
	font-size: 0.9rem;
}

.dropdown-toggle {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.dropdown-arrow {
	transition: transform 0.3s ease;
}

.dropdown-toggle.active .dropdown-arrow {
	transform: rotate(180deg);
}

/* Hero Section */
.hero {
	background: linear-gradient(135deg, rgba(56, 182, 255, 0.05), rgba(255, 255, 255, 1));
	padding: 4rem 0;
	text-align: center;
}

.hero h1 {
	font-size: 3rem;
	font-weight: bold;
	margin-bottom: 1rem;
	color: #38b6ff;
}

.hero p {
	font-size: 1.2rem;
	color: #666;
	margin-bottom: 2rem;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
}

.hero-buttons {
	display: flex;
	gap: 1rem;
	justify-content: center;
	flex-wrap: wrap;
}

.welcome-text {
    color: #666;
    margin-right: 1rem;
    font-size: 0.9rem;
}

/* Features Section */
.features {
	padding: 4rem 0;
	background: white;
}

.section-title {
	text-align: center;
	font-size: 2.5rem;
	font-weight: bold;
	margin-bottom: 3rem;
	color: #333;
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
	margin-top: 2rem;
}

.feature-card {
	background: white;
	padding: 2rem;
	border-radius: 15px;
	box-shadow: 0 5px 20px rgba(0,0,0,0.1);
	text-align: center;
	transition: transform 0.3s ease;
}

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

.feature-icon {
	width: 60px;
	height: 60px;
	border-radius: 50%;
	margin: 0 auto 1rem;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.5rem;
	color: white;
}

.feature-card:nth-child(1) .feature-icon {
	background: #38b6ff;
}

.feature-card:nth-child(2) .feature-icon {
	background: #ff66c4;
}

.feature-card:nth-child(3) .feature-icon {
	background: #38b6ff;
}

.feature-card h3 {
	font-size: 1.3rem;
	margin-bottom: 1rem;
	color: #333;
}


/* ALL COURSES SECTION */
.course-section {
	padding: 20px 20px;
	max-width: 1300px;
	margin: 0 auto;
}
.courses-container {
	display: flex;
	flex-direction: column;
	background-color: #d5e3f1;
	border-radius: 5px;
}
.course-heading {
	text-align: center;
	font-size: 2.2rem;
	margin: 20px;
	color: #0D1B2A;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  max-width: 1000px; /* 3 × 300px + gap space */
  margin: 0px auto;    /* centers the grid */
  gap: 20px;
  align-items: start;
  margin-bottom: 50px;
}


/* Card Base */
.course-card {
  background-color: #004a55;
  height: 350px;
  margin: 15px; /* keep spacing */
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;

  /* Animation props */
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 1.5s ease;
}

.course-card.hidden {
  opacity: 0;
  transform: translateY(20px); /* slides down a bit as it fades */
  pointer-events: none;
  height: 0;       /* collapse vertical space */
  margin: 0;       /* remove spacing when hidden */
  border: none;    /* prevents borders showing during collapse */
}

/* Image */
.course-image {
	height: 50%;
	width: auto;            /* let it size naturally */
	margin: 10px;           /* space around image */
	border-radius: 8px;     /* optional: soft corners */
	overflow: hidden;       /* keeps image inside rounded edges */
}
.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Content */
.course-content {
	height: 50%;
	padding: 15px;
	flex: none;
	display: flex;
	flex-direction: column;
}

.course-tag {
	width: 75px;
  background: #2196F3;
  color: #fff;
  font-size: 0.75rem;
  font-weight: bold;
  padding: 3px 7px;
  border-radius: 4px;
  margin-bottom: 7px;
}


.course-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #0D1B2A;
}

.course-desc {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 15px;
}
/* Enrol Now Button */
.enrol-button {
	display: inline-block;
	margin-top: 5px;
	width: auto;
	padding: 10px 20px;
	color: #2196F3;
	font-weight: 600;
	border-radius: 5px;
	align-self: center;
	text-align: center;
	text-decoration: none;
	transition: background 0.3s ease;
}
.enrol-button:hover {
	background-color: #2196F3;
}
.enrol-button:hover {
  background-color: #1976D2;
}
.hidden {
      display: none;
}
.see-more-btn {
	display: inline-block;
	margin-bottom: 25px;
	padding: 10px 20px;
	align-self: center;
	background: #2d6cdf;
	color: white;
	border: none;
	border-radius: 20px;
	cursor: pointer;
	font-weight: bold;
	transition: 0.3s;
}
.see-more-btn:hover {
	background: #ff4f81;
}


/* POPULAR COURSES SECTION */
.popular-courses-section {
	margin: 0; 
	padding: 20px 20px;
	background-color: #38b6ff;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.popular-course-heading {
	color: #fff;
	margin: 20px;
}

.popular-courses-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	max-width: 1000px; /* 3 × 300px + gap space */
	margin-bottom: 50px;
	gap: 20px;
	align-items: start;
}

.pop-course-card {
  background: #fff;
  height: 350px;
  margin: 15px; /* keep spacing */
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;

  /* Animation props */
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 1.5s ease;
}

/* Image */
.pop-course-image {
	height: 50%;
	width: auto;           
	margin: 10px;          
	border-radius: 8px;
	overflow: hidden; 
}

.pop-course-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

/* Content */
.pop-course-content {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pop-course-tag {
	width: 80px;
	background: #2196F3;
	color: #fff;
	font-size: 0.75rem;
	font-weight: bold;
	padding: 4px 10px;
	border-radius: 4px;
	margin-bottom: 10px;
}


.pop-course-title {
	font-size: 1rem;
	font-weight: 600;
	margin-bottom: 8px;
	color: #0D1B2A;
}

.pop-course-desc {
	color: #666;
	font-size: 0.95rem;
	margin-bottom: 15px;
}

/* Footer */
.pop-course-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.pop-instructor {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.pop-instructor img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.pop-course-stats {
  display: flex;
  gap: 12px;
  font-size: 0.9rem;
  color: #555;
}

/* Enrol Now Button */
.pop-enrol-button {
  display: inline-block;
	margin-top: 5px;
	width: auto;
	padding: 10px 20px;
	color: #2196F3;
	font-weight: 600;
	border-radius: 5px;
	align-self: center;
	text-align: center;
	text-decoration: none;
}
.pop-enrol-button:hover {
	transition: background 0.3s ease;
	background-color: #2196F3;
} 


.pop-enrol-button:hover {
  background-color: #1976D2;
}


/* Stats Section */
.stats {
	padding: 4rem 0;
	background: #ff66c4;
	color: white;
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 2rem;
	text-align: center;
}

.stat-item h3 {
	font-size: 2.5rem;
	font-weight: bold;
	margin-bottom: 0.5rem;
}

/* CTA Section */
.cta {
	padding: 4rem 0;
	background: white;
	text-align: center;
}

.cta h2 {
	font-size: 2.5rem;
	margin-bottom: 1rem;
	color: #38b6ff;
}

/* Footer */
footer {
	background: #1a1a1a;
	color: white;
	padding: 3rem 0 1rem;
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
	margin-bottom: 2rem;
}

.footer-section h3 {
	color: #38b6ff;
	margin-bottom: 1rem;
}

.footer-section ul {
	list-style: none;
}

.footer-section ul li {
	margin-bottom: 0.5rem;
}

.footer-section ul li a {
	color: #ccc;
	text-decoration: none;
	transition: color 0.3s ease;
}

.footer-section ul li a:hover {
	color: white;
}

.footer-bottom {
	text-align: center;
	padding-top: 2rem;
	border-top: 1px solid #333;
	color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
	.nav-links,
	.auth-buttons {
		display: none;
	}

	.hamburger {
		display: flex;
	}

	.hero h1 {
		font-size: 2rem;
	}

	.hero-buttons {
		flex-direction: column;
		align-items: center;
	}

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

	.features-grid,
	.courses-grid {
		grid-template-columns: 1fr;
	}

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

	.footer-content {
		grid-template-columns: 1fr;
		text-align: center;
	}
}

@media (max-width: 480px) {
	.container {
		padding: 0 15px;
	}

	.hero {
		padding: 3rem 0;
	}

	.hero h1 {
		font-size: 1.8rem;
	}

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

	.features,
	.courses,
	.stats,
	.cta {
		padding: 3rem 0;
	}

	.stats-grid {
		grid-template-columns: 1fr;
	}

	/* All Courses */
	/* All Courses Section */
	.course-section {
        padding: 15px 10px;
    }

    .courses-container {
        border-radius: 3px;
    }

    .course-heading {
        font-size: 1.8rem;
        margin: 15px;
    }

    .course-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        gap: 15px;
        margin-bottom: 30px;
    }

    .course-card {
        height: 320px;
        margin: 10px;
        border-radius: 10px;
    }

    .course-image {
        height: 45%;
        margin: 8px;
        border-radius: 6px;
    }

    .course-content {
        height: 55%;
        padding: 12px;
    }

    .course-tag {
        width: 70px;
        font-size: 0.7rem;
        padding: 2px 6px;
        margin-bottom: 6px;
    }

    .course-title {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .course-desc {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }

    .enrol-button {
        padding: 8px 16px;
        font-size: 0.9rem;
        margin-top: 3px;
    }

    .see-more-btn {
        padding: 8px 16px;
        margin-bottom: 20px;
        font-size: 0.9rem;
        border-radius: 15px;
    }
}