/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0a0e27;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

/* Typography */
h1 {
    font-size: 2.5em;
    font-weight: 700;
    color: #f0f0f0;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.8em;
    font-weight: 600;
    color: #f0f0f0;
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 3px solid #5b7cff;
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.4em;
    font-weight: 500;
    color: #f0f0f0;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    font-weight: 400;
}

strong {
    font-weight: 700;
    color: #5b7cff;
}

em {
    font-style: italic;
    color: #b0b0b0;
}

/* Layout - Header */
header {
    background: linear-gradient(135deg, #1a237e 0%, #3949ab 100%);
    color: white;
    padding: 2rem;
    margin: -20px -20px 2rem -20px;
    border-radius: 0 0 8px 8px;
    text-align: center;
}

header h1 {
    color: white;
    margin-bottom: 0.25rem;
}

header p {
    font-size: 1.1em;
    margin-bottom: 0;
    font-weight: 300;
    color: #f0f0f0;
}

/* Layout - Main Content */
main {
    background-color: #151b3d;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    margin-bottom: 2rem;
}

section {
    margin-bottom: 2rem;
}

/* Images */
.profile-photo {
    width: 300px;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 4px solid #5b7cff;
    float: right;
    margin: 0.5rem 0 1rem 1.5rem;
    box-shadow: 0 4px 6px rgba(91, 124, 255, 0.3);
}

.decorative-icon {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

/* Lists */
ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

nav ul {
    list-style-type: none;
    margin-left: 0;
}

nav li {
    padding-left: 0;
    margin-bottom: 0.5rem;
}

/* Links */
a {
    color: #a78bfa;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: border-bottom-color 0.3s ease;
}

a:hover {
    border-bottom-color: #a78bfa;
}

a:focus {
    outline: 2px solid #d946ef;
    outline-offset: 2px;
}

/* Forms */
form {
    background-color: #0f1329;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #5b7cff;
    margin-top: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #f0f0f0;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #2a2f5a;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1em;
    background-color: #1a1f3a;
    color: #e0e0e0;
    transition: border-color 0.3s ease;
}

textarea {
    resize: vertical;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: #5b7cff;
}

button[type="submit"] {
    background-color: #5b7cff;
    color: #ffffff;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

button[type="submit"]:hover {
    background-color: #4a68e6;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(91, 124, 255, 0.4);
}

button[type="submit"]:focus {
    outline: 2px solid #5b7cff;
    outline-offset: 2px;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem;
    background-color: #151b3d;
    border-radius: 8px;
    color: #999;
    font-size: 0.9em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: #a78bfa;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    header {
        margin: -10px -10px 1rem -10px;
        padding: 1.5rem;
    }
    
    main {
        padding: 1.5rem;
    }
    
    .profile-photo {
        float: none;
        display: block;
        margin: 0 auto 1rem auto;
    }
    
    h1 {
        font-size: 2em;
    }
    
    h2 {
        font-size: 1.5em;
    }
}