/* Base Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
    background-color: #f5f5f7;
}

/* Minimal Header - Compact */
.banner {
    background: linear-gradient(135deg, #007AFF 0%, #0056CC 100%);
    color: white;
    padding: 0.75rem 1rem;
    text-align: center;
    margin-bottom: 0.5rem;
}

.banner h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.banner p {
    font-size: 0.85rem;
    margin: 0.25rem 0 0;
    opacity: 0.85;
}

nav {
    background-color: white;
    padding: 0.5rem 1rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

nav a {
    text-decoration: none;
    color: #007AFF;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    transition: all 0.15s;
    font-size: 0.85rem;
}

nav a:hover {
    background-color: #e3f2fd;
}

/* Main Content - Balanced */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* Compact Hero Section */
.hero {
    text-align: center;
    padding: 1rem 1rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    margin-bottom: 1.5rem;
}

.hero h2 {
    font-size: 1.3rem;
    color: #1d1d1f;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 0.9rem;
    color: #6e6e73;
}

/* Keyboard Grid - Balanced */
.keyboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.75rem;
    margin-top: 2rem;
}

.keyboard-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.keyboard-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.keyboard-card img {
    width: 100%;
    height: 190px;
    object-fit: cover;
}

.keyboard-card-content {
    padding: 1.25rem;
}

.keyboard-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    color: #1d1d1f;
}

.keyboard-card .years {
    color: #6e6e73;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.keyboard-card .view-btn {
    display: inline-block;
    background-color: #007AFF;
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
    font-size: 0.9rem;
}

.keyboard-card .view-btn:hover {
    background-color: #0056CC;
}

/* Keyboard Detail Page */
.keyboard-detail {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.keyboard-detail header {
    margin-bottom: 2rem;
    border-bottom: 1px solid #e5e5ea;
    padding-bottom: 1rem;
}

.keyboard-detail h2 {
    margin: 0;
    font-size: 2.5rem;
    color: #1d1d1f;
}

.keyboard-detail .years {
    color: #6e6e73;
    font-size: 1.1rem;
}

.keyboard-gallery {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 2rem;
    margin-bottom: 3rem;
}

.main-image {
    aspect-ratio: 16/9;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: #f5f5f7;
    border-radius: 8px;
}

.thumbnail-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.thumbnail-images img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s;
}

.thumbnail-images img:hover {
    transform: scale(1.05);
}

.keyboard-specs {
    margin-bottom: 3rem;
}

.keyboard-specs h3 {
    color: #1d1d1f;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.keyboard-specs ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.keyboard-specs li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e5ea;
}

.keyboard-specs strong {
    color: #6e6e73;
}

.performance-data {
    margin-bottom: 3rem;
    padding: 1.5rem;
    background-color: #f5f5f7;
    border-radius: 8px;
}

.performance-data h3 {
    color: #1d1d1f;
    margin-bottom: 1rem;
}

.keyboard-history {
    line-height: 1.8;
}

.keyboard-history h3 {
    color: #1d1d1f;
    margin-bottom: 1rem;
}

/* About and Not Found Pages */
.about-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    line-height: 1.8;
}

.about-content h2 {
    color: #1d1d1f;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.about-content h3 {
    color: #1d1d1f;
    margin: 1.5rem 0 1rem;
    font-size: 1.5rem;
}

.about-content a {
    color: #007AFF;
    text-decoration: none;
}

.about-content a:hover {
    text-decoration: underline;
}

.not-found {
    background: white;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.not-found h2 {
    color: #1d1d1f;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.not-found p {
    color: #6e6e73;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background-color: #1d1d1f;
    color: #e5e5ea;
    margin-top: 3rem;
}

footer p {
    margin: 0.5rem 0;
}

footer a {
    color: #007AFF;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .banner h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .keyboard-gallery {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    nav a {
        padding: 0.5rem;
    }
}