/* Base Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Navigation */
.navbar {
    background-color: #f8f9fa;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.navbar-brand {
    font-weight: 500;
    font-size: 24px;
    color: #333;
    text-decoration: none;
}

.nav-link {
    color: #555;
    margin-left: 20px;
    text-decoration: none;
}

.nav-link.active {
    text-decoration: underline;
    color: #333;
}

/* Hero Section */
.hero-section {
    background-image: url('../img/unsplash.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    position: relative;
    padding: 120px 0;
}

.courses.hero-section {
    text-align: center;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.2rem;
}

/* Courses Section */
.courses-section {
    background-color: #1e293b;
    color: white;
    padding: 50px 0;
}

.courses-title {
    color: #ffc107;
    font-weight: bold;
    margin-bottom: 30px;
}

.course-card {
    background-color: #1e293b;
    border: none;
    transition: transform 0.3s;
    max-width: 500px;
}

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

.course-card .card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0;
}

.course-card .card-text {
    font-size: 0.9rem;
    color: #e2e8f0;
}

.btn-learn-more {
    background-color: #ffc107;
    color: #1e293b;
    font-weight: 500;
}

/* Approach Section */
.approach-section {
    padding: 70px 0;
    background-color: #fff;
}

.approach-section h2 {
    font-weight: 600;
    margin-bottom: 30px;
}

/* Dark Background Sections */
.space-section,
.testimonials-section,
.options-section {
    background-color: #1e293b;
    color: white;
    padding: 50px 0;
}

/* Contact Section */
.contact-section {
    background-color: #131e33;
    color: white;
    padding: 100px 0;
    min-height: 600px;
}

.contact-title {
    color: #f0a500;
    font-size: 3rem;
    margin-bottom: 30px;
}

.form-label {
    display: block;
    margin-bottom: 5px;
}

.form-control {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: none;
    border-radius: 0;
}

textarea.form-control {
    height: 150px;
}

.btn-send {
    background-color: #f0a500;
    color: #131e33;
    border: none;
    padding: 12px 40px;
    font-weight: 500;
    border-radius: 0;
}

.btn-send:hover {
    background-color: #db9600;
}

.required-label {
    color: #aaa;
}

/* About Section */
.about-section {
    background-color: #131e33;
    color: white;
    padding: 100px 0;
    min-height: 600px;
}

.about-title {
    color: #f0a500;
    font-size: 3rem;
    margin-bottom: 50px;
    text-align: center;
}

.profile-section {
    margin-top: 30px;
}

.profile-image {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 5px;
}

.profile-name {
    color: white;
    font-size: 2rem;
    margin-top: 20px;
    margin-bottom: 10px;
}

.profile-credential {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.profile-bio {
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: 50px 0;
    background-color: #fff;
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-link {
    color: #131e33;
    text-decoration: underline;
    display: block;
    margin-bottom: 10px;
}

.footer a {
    color: #000;
}

.site-links p {
    margin-bottom: 0.3rem;
}

/* Utilities */
.emphasis {
    font-style: italic;
}