@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@200;300;400;700&display=swap');

:root {
    --bg-main: #0a0c10;
    --panel-surface: #12161f;
    --panel-border: #1f2633;
    --teal-primary: #20769f;
    --teal-glow: rgba(32, 118, 159, 0.15);
    --text-pure: #ffffff;
    --text-muted: #707e94;
    --text-dark: #475467;
}

body {
    background-color: var(--bg-main);
    color: var(--text-pure);
    font-family: 'Nunito', sans-serif;
    margin: 0;
    padding: 0;
    letter-spacing: 0.5px;
}

/* Header & Identity */
header.instrument-nav {
    border-bottom: 1px solid var(--panel-border);
    background-color: var(--panel-surface);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 200;
    font-size: 1.6rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-pure);
}

.logo span {
    color: var(--teal-primary);
    font-weight: 700;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 300;
    font-size: 0.85rem;
    margin-left: 30px;
    letter-spacing: 1.5px;
    transition: color 0.2s;
}

nav a:hover, nav a.active {
    color: var(--teal-primary);
}

/* Hero & Search Instrument */
section.hero-instrument {
    padding: 80px 20px;
    text-align: center;
    background: radial-gradient(circle at top center, var(--teal-glow) 0%, rgba(10,12,16,0) 70%);
}

.hero-instrument h2 {
    font-weight: 200;
    font-size: 2.8rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin: 0 0 10px 0;
}

.hero-instrument p {
    color: var(--text-muted);
    font-weight: 300;
    font-size: 1.1rem;
    margin: 0 0 50px 0;
}

.search-console {
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--panel-surface);
    border: 1px solid var(--panel-border);
    border-radius: 4px;
    padding: 25px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

.console-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 15px;
}

.tab-trigger {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: 'Nunito', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 5px 15px;
    transition: color 0.2s;
}

.tab-trigger.active {
    color: var(--teal-primary);
    font-weight: 700;
    border-bottom: 2px solid var(--teal-primary);
}

.console-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr) 160px;
    gap: 15px;
}

.control-block select, .control-block input {
    width: 100%;
    background-color: var(--bg-main);
    border: 1px solid var(--panel-border);
    padding: 12px;
    color: var(--text-pure);
    font-family: 'Nunito', sans-serif;
    font-size: 0.95rem;
    border-radius: 3px;
    box-sizing: border-box;
}

.control-block select:focus {
    outline: none;
    border-color: var(--teal-primary);
}

.btn-search {
    background-color: var(--teal-primary);
    color: var(--text-pure);
    border: none;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: 3px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-search:hover {
    opacity: 0.9;
}

/* Main Matrix Grid */
main.matrix-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 10px;
    margin-bottom: 30px;
}

.section-indicator h3 {
    text-transform: uppercase;
    font-weight: 200;
    letter-spacing: 2px;
    margin: 0;
    font-size: 1.3rem;
}

.section-indicator h3 span {
    color: var(--teal-primary);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.classic-card {
    background-color: var(--panel-surface);
    border: 1px solid var(--panel-border);
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}

.classic-card:hover {
    transform: translateY(-4px);
    border-color: var(--teal-primary);
}

.card-image-holder {
    height: 180px;
    background-color: #1a1f2c;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
}

.card-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: rgba(10, 12, 16, 0.85);
    border: 1px solid var(--teal-primary);
    color: var(--teal-primary);
    padding: 4px 10px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    border-radius: 2px;
}

.card-content {
    padding: 20px;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--teal-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 400;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-metrics {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--panel-border);
    padding-top: 15px;
    margin-top: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.metric-price {
    color: var(--text-pure);
    font-weight: 700;
}