/* Google Font Import */
@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Hind Siliguri', sans-serif;
}

body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

/* --- Navbar Section --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 5%; /* গ্যাপ কমানো হয়েছে যাতে মেনু এক লাইনে ধরে */
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.main-logo {
    height: 45px; /* লোগোর সাইজ ছোট করা হয়েছে যাতে ডিজাইন না ভাঙে */
    width: auto;
    display: block;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
}

.nav-links li {
    margin: 0 12px; /* মেনুর গ্যাপ অ্যাডজাস্ট করা হয়েছে */
}

.nav-links a {
    text-decoration: none;
    color: #444;
    font-weight: 600;
    font-size: 15px;
    transition: 0.3s;
}

.nav-links a:hover {
    color: #e74c3c;
}

/* ভর্তি হন বাটন স্টাইল */
.btn-enroll {
    background: #e74c3c;
    color: #fff !important;
    padding: 8px 18px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    transition: 0.3s;
}

.btn-enroll:hover {
    background: #c0392b;
}

/* --- Hero Section --- */
.hero {
    padding: 100px 8%;
    background: linear-gradient(rgba(255,255,255,0.92), rgba(255,255,255,0.92)), url('https://images.unsplash.com/photo-1557683316-973673baf926');
    background-size: cover;
    text-align: center;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.hero h1 span {
    color: #e74c3c;
}

.btn-primary, .btn-secondary {
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    margin: 10px;
    display: inline-block;
    font-weight: 600;
}

.btn-primary { background: #2c3e50; color: #fff; }
.btn-secondary { border: 2px solid #2c3e50; color: #2c3e50; }

/* --- Stats Section --- */
.stats {
    background: #2c3e50;
    color: #fff;
    padding: 50px 0;
}

.stats .container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}

.stat-box { text-align: center; padding: 20px; }
.stat-box h3 { font-size: 35px; color: #e74c3c; margin-bottom: 5px; }

/* --- Course Section --- */
.courses-section {
    padding: 60px 8%;
    text-align: center;
}

.course-grid {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.course-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    width: 320px;
    transition: 0.3s;
}

.course-card:hover { transform: translateY(-10px); }
.course-card i { font-size: 40px; color: #e74c3c; margin-bottom: 15px; }

/* --- Footer Section --- */
.main-footer {
    background: #3638b1;
    color: #ecf0f1;ecf0f1
    padding: 80px 10% 20px;
    margin-top: 80px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info, .footer-links, .footer-contact {
    flex: 1;
    min-width: 250px;
}

.logo-footer { font-size: 24px; font-weight: 700; margin-bottom: 15px; }
.logo-footer span { color: #e74c3c; }

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #bdc3c7; text-decoration: none; transition: 0.3s; }
.footer-links a:hover { color: #e74c3c; padding-left: 5px; }

.footer-contact p { margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: #e74c3c; width: 20px; }

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}