.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 17px;
    font-weight: 400;
    border: none;
    border-radius: 980px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    white-space: nowrap;
    gap: 8px;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.022em;
    flex-shrink: 0;
    min-width: fit-content;
    line-height: 1.23536;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: none;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: scale(1.015);
    color: white;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px 0 rgba(26, 54, 93, 0.15);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px 0 rgba(26, 54, 93, 0.15);
}

.btn-white {
    background-color: white;
    color: var(--primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    background-color: #f8f9fa;
    color: var(--primary-dark);
}

@media (prefers-color-scheme: dark) {
    .btn-white {
        background-color: var(--card);
        color: var(--text);
        border: 1px solid var(--border);
    }
    
    .btn-white:hover {
        background-color: var(--primary);
        color: white;
        border-color: var(--primary);
    }
}

.btn-lg {
    padding: 14px 32px;
    font-size: 19px;
    border-radius: 980px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-icon {
    padding: 12px;
    width: 44px;
    height: 44px;
}

.card {
    background-color: var(--card);
    border-radius: 18px;
    padding: 32px;
    border: 1px solid var(--border);
    box-shadow: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.card-featured {
    border: 2px solid var(--primary);
    position: relative;
    background: linear-gradient(135deg, var(--card) 0%, rgba(26, 54, 93, 0.02) 100%);
    overflow: visible;
}

.card-featured::before {
    content: 'FEATURED';
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--gradient-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 16px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(26, 54, 93, 0.2);
    z-index: 1;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    background-color: var(--primary);
    color: white;
    letter-spacing: 0.025em;
}

.badge-success {
    background-color: var(--success);
}

.badge-warning {
    background-color: var(--warning);
}

.badge-error {
    background-color: var(--error);
}

.badge-info {
    background-color: var(--info);
}

/* App Store Buttons */
.app-store-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.app-store-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    background: #000000;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    gap: 8px;
}

.app-store-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.app-store-btn.apple {
    background: #000000;
}

.app-store-btn.google {
    background: #000000;
}

.app-store-btn-lg {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: #000000;
    color: white;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    gap: 12px;
}

.app-store-btn-lg:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.app-store-btn-lg i {
    font-size: 24px;
}

.app-store-btn-lg span {
    font-size: 16px;
    font-weight: 500;
}

/* Feature Card Component */
.feature-card {
    text-align: center;
    padding: 40px 20px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--background-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary);
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* Section Header Component */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

@media (max-width: 768px) {
    .app-store-buttons {
        justify-content: center;
    }
    
    .app-store-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    .app-store-btn-lg {
        padding: 14px 28px;
    }
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

.input-group input,
.input-group textarea,
.input-group select {
    width: 100%;
    padding: 10px 14px;
    font-size: 1rem;
    font-weight: 400;
    color: var(--text);
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

@media (prefers-color-scheme: dark) {
    .input-group input,
    .input-group textarea,
    .input-group select {
        background-color: var(--background-alt);
        border-color: var(--border);
        color: var(--text);
    }
    
    .input-group input:focus,
    .input-group textarea:focus,
    .input-group select:focus {
        box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
    }
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 16px 24px;
    background-color: var(--primary);
    color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 10000;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

.notification-success {
    background-color: var(--success);
}

.notification-error {
    background-color: var(--error);
}

.notification-warning {
    background-color: var(--warning);
}

@media (max-width: 640px) {
    .notification {
        left: 20px;
        right: 20px;
        bottom: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .notification {
        left: 10px;
        right: 10px;
        bottom: 10px;
        padding: 12px 16px;
        font-size: 0.875rem;
    }
}