@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --background-color: #ecf0f1;
  --card-background-color: #ffffff;
  --text-color: #2c3e50;
  --shadow-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 5px var(--shadow-color);
}

header h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
}

.controls {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

#search-bar,
#sort-select {
    padding: 0.8rem 1rem;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    box-shadow: 0 1px 3px var(--shadow-color) inset;
}

#search-bar {
    width: min(80%, 420px);
}

#sort-select {
    background-color: white;
    min-width: 180px;
}

main {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.brand-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
    background-color: #bdc3c7;
}

guitar-card {
    background-color: var(--card-background-color);
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--shadow-color);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

guitar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-color);
}

@media (max-width: 600px) {
    .brand-grid {
        grid-template-columns: 1fr;
    }
}