:root {
  --bg-gradient-start: #f4f4f4;
  --bg-gradient-end: #e0e0e0;
  --header-gradient-start: #333;
  --header-gradient-end: #555;
  --text-color: #333;
  --nav-link-color: white;
  --nav-hover-color: #2e90c5;
  --main-bg: white;
  --input-border: #ccc;
  --primary-color: #007bff;
  --primary-hover: #0056b3;
  --footer-gradient-start: #ddd;
  --footer-gradient-end: #bbb;
  --footer-text: #555;
  --shadow-color: rgba(0,0,0,0.1);
  --focus-shadow: rgba(0,123,255,0.5);
  --secondary-text-color: #495057;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: var(--text-color);
}

header {
    background: linear-gradient(135deg, var(--header-gradient-start) 0%, var(--header-gradient-end) 100%);
    color: var(--nav-link-color);
    padding: 1rem;
    box-shadow: 0 2px 5px var(--shadow-color);
}

nav a {
    color: var(--nav-link-color);
    margin-right: 1rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--nav-hover-color);
    text-decoration: underline;
}

main {
    padding: 2rem;
    background-color: var(--main-bg);
    margin: 2rem;
    flex: 1;
    border-radius: 8px;
    box-shadow: 0 4px 10px var(--shadow-color);
}

form {
    max-width: 400px;
}

.form-page {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    margin: 0;
    padding: 0;
    background: none;
    border-radius: 0;
    box-shadow: none;
}

.card {
    width: 400px;
    height: 350px;
    padding: 1.5rem;
    background-color: var(--main-bg);
    border-radius: 8px;
    box-shadow: 0 4px 10px var(--shadow-color);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

label {
    display: block;
    margin-top: 1rem;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    transition: border-color 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px var(--focus-shadow);
}

button {
    margin-top: 1.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: var(--nav-link-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: var(--primary-hover);
}

footer {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(135deg, var(--footer-gradient-start) 0%, var(--footer-gradient-end) 100%);
    color: var(--footer-text);
}
footer p {
    margin: 0;
}

/* Home page styles */
.home-main {
    border-radius: 12px;
    position: relative;
}

.home-main h2 {
    font-size: 2.2rem;
    text-align: center;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.home-main p {
    text-align: left;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--secondary-text-color);
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* About page styles */
.about-main {
    border-radius: 12px;
    position: relative;
}

.about-main h2 {
    font-size: 2.2rem;
    text-align: center;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-main p {
    text-align: left;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--secondary-text-color);
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive styles */
@media (max-width: 768px) {
    header {
        padding: 0.5rem;
    }

    nav a {
        margin-right: 0.5rem;
        font-size: 0.9rem;
    }

    main {
        padding: 1rem;
        margin: 1rem;
        border-radius: 6px;
    }

    footer {
        padding: 0.5rem;
    }

    footer p {
        font-size: 0.9rem;
    }

    button {
        width: 100%;
    }
}