:root {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-primary: #212529;
    --text-secondary: #495057;
    --accent: #007bff;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    --border: #e9ecef;
    --item-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

body.dark-mode {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #3788ff;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    --border: #333;
    --item-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Navigation */
.main-nav {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

#theme-toggle {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background-color: var(--accent);
    color: white;
    cursor: pointer;
    font-weight: 600;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--accent) 0%, #0056b3 100%);
    color: white;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--text-primary);
}

/* Palette Grid */
.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.color-palette {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 30px;
    border: 1px solid var(--border);
    transition: transform 0.2s;
}

.color-palette:hover {
    transform: translateY(-5px);
}

.palette-header h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.palette-header .description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.outfit {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 25px 0;
}

.clothing-item {
    flex: 1;
    aspect-ratio: 1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--item-shadow);
}

.clothing-item .label {
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    text-align: center;
    padding: 5px;
}

.palette-footer {
    border-top: 1px solid var(--border);
    padding-top: 15px;
    font-size: 0.9rem;
}

/* Info Sections */
.info-section {
    padding: 60px 0;
    margin-bottom: 60px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.info-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow);
}

.info-card h4 {
    margin-bottom: 10px;
    color: var(--accent);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* Footer */
.main-footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    margin-top: 100px;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 15px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .palette-grid { grid-template-columns: 1fr; }
}