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

:root {
    --primary-color: #1a5490;
    --secondary-color: #2196F3;
    --accent-color: #FFA726;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --background: #f8f9fa;
    --white: #ffffff;
    --border: #e1e8ed;
    --success: #4CAF50;
    --error: #f44336;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
}

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

.navbar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-brand h1 {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
}

.nav-brand .tagline {
    font-size: 0.85rem;
    opacity: 0.9;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

.nav-links a:hover {
    opacity: 0.8;
}

.btn-login {
    background-color: var(--accent-color);
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.features {
    padding: 4rem 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    transition: transform 0.3s;
}

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

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

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

.accounts-section {
    padding: 4rem 0;
    background-color: var(--background);
}

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.account-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
}

.account-card.featured {
    border: 3px solid var(--accent-color);
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.account-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.account-rate {
    font-size: 2rem;
    font-weight: bold;
    color: var(--success);
    margin-bottom: 1.5rem;
}

.account-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.account-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.account-features li:before {
    content: "✓ ";
    color: var(--success);
    font-weight: bold;
}

.stats {
    padding: 3rem 0;
    background-color: var(--primary-color);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

.form-container {
    max-width: 500px;
    margin: 3rem auto;
    background-color: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 1rem;
}

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

.btn-full {
    width: 100%;
}

.form-footer {
    text-align: center;
    margin-top: 1rem;
}

.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.dashboard {
    padding: 2rem 0;
}

.dashboard-header {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.account-balance {
    font-size: 2rem;
    font-weight: bold;
    color: var(--success);
    margin: 1rem 0;
}

.account-number {
    color: var(--text-light);
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

table th {
    background-color: var(--background);
    font-weight: 600;
}

table tr:hover {
    background-color: var(--background);
}

@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 2rem;
    }

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

    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }
}