/* Header Styles */
:root {
    --primary-color: #07353f;
    --secondary-color: #3cd5ed;
    --background-color: #d0f0ff;
    --text-color: #344047;
    --card-bg: #e9f0f1;
    --card-shadow: rgba(7, 53, 63, 0.1);
    --spacing-unit: clamp(0.5rem, 2vw, 1rem);
    --button-height: 36px;
    --button-padding: 0.75rem 1.2rem;
}

.header {
    background: var(--primary-color);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.container {
    width: min(90%, 1200px);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo h1 {
    color: white;
    font-family: 'Playfair Display', serif;
    font-weight: 900;
    letter-spacing: 1px;
    font-size: 1.8rem;
    margin: 0;
    line-height: 1;
}

.logo h1 span {
    color: var(--secondary-color);
    font-style: italic;
}

/* Common button styles */
.header-button {
    display: flex;
    align-items: center;
}

.header-button a {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid var(--secondary-color);
    height: var(--button-height);
    white-space: nowrap;
    min-width: 100px;
    justify-content: center;
    line-height: 1;
}

.header-button a:hover {
    background: transparent;
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-icon {
    transition: transform 0.3s ease;
    font-size: 1rem;
    line-height: 1;
    margin-top: 1px;
}

.header-button a:hover .btn-icon {
    transform: translateX(5px);
}

/* Responsive styles */
@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0;
    }
    
    .header-button a {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        height: 32px;
        min-width: 90px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
}