:root {
    --primary: #1e40af; /* Darker blue for better contrast */
    --secondary: #f97316; /* Softer orange for accessibility */
    --accent: #10b981; /* Added accent color for variety */
    --bg: #f9fafb; /* Lighter, cleaner background */
    --text: #1f2937; /* High-contrast text color */
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

html {
    box-sizing: border-box;
    font-size: 16px;
    scroll-behavior: smooth; /* Smooth scrolling for anchor links */
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    font-family: 'Inter', 'Segoe UI', 'Georgia', sans-serif; /* Added modern font stack */
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased; /* Better font rendering */
    -moz-osx-font-smoothing: grayscale;
}

header {
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow);
    position: sticky; /* Sticky header for better UX */
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem); /* Responsive font size */
    margin-bottom: var(--spacing-sm);
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--white);
}

nav {
    background: var(--secondary);
    box-shadow: var(--shadow);
}

.navbar-container {
    max-width: 1280px; /* Slightly wider for modern screens */
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
}

.navbar-logo {
    color: var(--white);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 1px;
    text-decoration: none;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.navbar-toggle span {
    height: 3px;
    width: 30px;
    background: var(--white);
    border-radius: 3px;
    transition: var(--transition);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

nav a:hover, nav a.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

main {
    max-width: 1280px;
    margin: var(--spacing-lg) auto;
    padding: 0 var(--spacing-md);
}

section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}

section:hover {
    transform: translateY(-4px); /* Subtle lift effect */
}

h1, h2 {
    color: var(--primary);
    font-weight: 700;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.gallery img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    object-fit: cover; /* Better image scaling */
}

.gallery img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius);
}

.instrument-page {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.instrument-page > div {
    flex: 1 1 320px;
    min-width: 280px;
    background: #f8fafc;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.instrument-page > div:hover {
    transform: translateY(-4px);
}

.instrument-page img {
    width: 100%;
    max-width: 360px;
    height: auto;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.instrument-info {
    padding-left: 0;
}

form {
    display: grid;
    gap: var(--spacing-md);
}

input, textarea {
    padding: var(--spacing-sm);
    border: 1px solid #d1d5db;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.2);
}

button {
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

button:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

.blog-post {
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

footer {
    background: var(--primary);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: 1rem;
    letter-spacing: 1px;
}

#home { display: block; }
#gallery, #videos, #guitar, #banjo, #mandolin, #contact, #blog { display: none; }

/* Responsive Styles */
@media (max-width: 1200px) {
    .navbar-container, main {
        max-width: 960px;
    }
}

@media (max-width: 900px) {
    main {
        padding: 0 var(--spacing-sm);
    }
    section {
        padding: var(--spacing-md);
    }
}

@media (max-width: 700px) {
    .instrument-page {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    .instrument-page > div {
        max-width: 100%;
    }
}

@media (max-width: 600px) {
    header h1 {
        font-size: clamp(1.2rem, 4vw, 1.8rem);
    }
    .navbar-container {
        padding: var(--spacing-sm);
    }
    nav ul {
        flex-direction: column;
        gap: 0;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--secondary);
        box-shadow: var(--shadow);
        z-index: 10;
        display: none;
        padding: var(--spacing-md) 0;
    }
    nav ul.open {
        display: flex;
    }
    .navbar-toggle {
        display: flex;
    }
}

@media (max-width: 400px) {
    .gallery {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}