/* Global Styles */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ecc94b;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f7fafc;
    padding-top: 76px;
}

/* Navbar Styles */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    background: white !important;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.brand-text {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-right: 10px;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link i {
    margin-left: 5px;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 300px);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 10px 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

/* Service Cards */
.service-card {
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.service-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

/* Exchange Rates Table */
.table {
    background: white;
    border-radius: 15px;
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 15px;
}

.table tbody td {
    padding: 15px;
    vertical-align: middle;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0;
    }
    
    .exchange-card {
        margin-top: -30px;
        padding: 20px;
    }
    
    .navbar-brand .brand-text {
        font-size: 1rem;
    }
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e2e8f0;
    padding: 10px 15px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Alert Styles */
.alert {
    border-radius: 15px;
    border: none;
}

.alert-success {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2d3748, #1a202c) !important;
}

footer a {
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--primary-color) !important;
}

.social-links a {
    display: inline-block;
    transition: transform 0.3s;
}

.social-links a:hover {
    transform: translateY(-3px);
}
.hero-section h1 {
    animation: fadeInDown 1.2s ease-in-out;
}

.hero-section p {
    animation: fadeInUp 1.5s ease-in-out;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}