/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5aa0;
    --secondary-color: #4a90e2;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --dark-color: #2c3e50;
    --light-gray: #ecf0f1;
    --medium-gray: #95a5a6;
    --white: #ffffff;
    --text-color: #333333;
    --border-color: #ddd;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 0.8;
    text-decoration: underline;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

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

.hero .tagline {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.hero .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #3a7bc8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--light-gray);
}

.btn-full {
    width: 100%;
}

.btn:disabled,
.btn-primary:disabled {
    background-color: var(--medium-gray);
    cursor: not-allowed;
    transform: none;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Features Section */
.features-preview {
    padding: 4rem 0;
    background-color: var(--light-gray);
}

.features-preview h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* About Section */
.about {
    padding: 4rem 0;
    text-align: center;
}

.about h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.about p {
    max-width: 800px;
    margin: 0 auto 1rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Page Content */
.page-content {
    padding: 3rem 0;
    min-height: calc(100vh - 400px);
}

.page-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.page-content .intro {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--medium-gray);
}

/* Features Detailed */
.features-detailed {
    margin: 3rem 0;
}

.feature-detail {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.feature-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-content ul {
    list-style: none;
    padding-left: 0;
}

.feature-content ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.feature-content ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Forms */
.form-wrapper {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.login-wrapper {
    max-width: 500px;
}

.form-wrapper h1 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.form-wrapper .subtitle {
    text-align: center;
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group input:disabled {
    background-color: var(--light-gray);
    cursor: not-allowed;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--medium-gray);
    font-size: 0.875rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.forgot-password {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Notices and Info Boxes */
.notice {
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
}

.notice-warning {
    background-color: #fff3cd;
    border-left: 4px solid var(--warning-color);
}

.notice-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.notice-content h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.info-box {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.info-box h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-box ul {
    list-style: none;
    padding-left: 0;
}

.info-box ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.info-box ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Login Info */
.login-info {
    margin: 2rem 0;
}

.login-info .info-box {
    margin-bottom: 1rem;
}

/* Alternate Action */
.alternate-action {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.alternate-action p {
    margin-bottom: 1rem;
    color: var(--medium-gray);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.contact-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-link:hover {
    text-decoration: underline;
}

/* FAQ */
.faq-section {
    margin: 3rem 0;
}

.faq-section h2 {
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.faq-item {
    background-color: var(--white);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    border-radius: 10px;
    margin: 3rem 0;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* Help Section */
.help-section,
.contact-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.help-section h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.help-section a,
.contact-info a {
    color: var(--secondary-color);
    text-decoration: none;
}

.help-section a:hover,
.contact-info a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .tagline {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-detail {
        flex-direction: column;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    footer .container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding: 2rem 0;
    }

    .page-content h1 {
        font-size: 2rem;
    }
}