* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Arial, sans-serif;
}

/* MAIN BACKGROUND WITH DARK GRADIENT */
body {
    background: linear-gradient(135deg, #0f172a, #1e293b, #111827);
    color: #e5e7eb;
    min-height: 100vh;
}

/* HEADER WITH GLASSMORPHISM */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(20, 25, 40, 0.6); /* semi-transparent */
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin: 20px auto;
    max-width: 1200px;
}

/* NAV LINKS */
nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #cbd5e1;
    font-weight: 500;
    transition: 0.2s;
}

nav a:hover {
    color: #3b82f6;
}

/* HERO SECTION GLASS CARD */
.hero {
    max-width: 900px;
    margin: 80px auto 40px auto;
    padding: 60px 40px;
    text-align: center;
    background: rgba(20, 25, 40, 0.5);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.hero h2 {
    font-size: 46px;
    color: #f1f5f9;
    margin-bottom: 20px;
}

.hero p {
    color: #cbd5e1;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* BUTTON */
.btn {
    display: inline-block;
    padding: 14px 28px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

/* CONTENT SECTIONS WITH GLASSMORPHISM */
.content {
    max-width: 900px;
    margin: 60px auto;
    padding: 50px 40px;
    background: rgba(20, 25, 40, 0.5);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    text-align: center;
}

.content h2 {
    font-size: 36px;
    color: #f1f5f9;
    margin-bottom: 20px;
}

.content p {
    color: #cbd5e1;
    line-height: 1.6;
}

/* FOOTER WITH GLASSMORPHISM */
footer {
    max-width: 1200px;
    margin: 40px auto 20px auto;
    padding: 20px 40px;
    text-align: center;
    background: rgba(20, 25, 40, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}