/* ========================================
   Features Page Hero
   ======================================== */
.feature-page-hero {
    padding-top: calc(var(--nav-height) + var(--space-4xl));
    padding-bottom: var(--space-3xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

.feature-page-hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.feature-page-hero .hero-subtitle {
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Legend
   ======================================== */
.legend-section {
    padding: var(--space-lg) 0;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.legend {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    color: var(--color-text-secondary);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.status-available {
    background: #30d158;
    box-shadow: 0 0 8px rgba(48, 209, 88, 0.4);
}

.status-coming {
    background: #ff9f0a;
    box-shadow: 0 0 8px rgba(255, 159, 10, 0.4);
}

.status-planned {
    background: #a1a1a6;
    box-shadow: 0 0 8px rgba(161, 161, 166, 0.3);
}

/* ========================================
   Feature Matrix
   ======================================== */
.matrix-section {
    padding: var(--space-3xl) 0 var(--space-4xl);
    background: var(--color-bg-secondary);
}

.matrix-group {
    margin-bottom: var(--space-4xl);
}

.matrix-group:last-child {
    margin-bottom: 0;
}

.matrix-group h2 {
    font-size: 28px;
    font-weight: 700;
    text-align: left;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

/* ========================================
   Matrix Cards
   ======================================== */
.matrix-card {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.matrix-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Top accent line */
.matrix-card.available::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #30d158;
}

.matrix-card.coming::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #ff9f0a;
}

.matrix-card.planned::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #a1a1a6;
}

.matrix-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--color-text-tertiary);
}

.matrix-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.matrix-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Dim planned cards slightly */
.matrix-card.planned {
    opacity: 0.75;
}

.matrix-card.planned:hover {
    opacity: 1;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .matrix-grid {
        grid-template-columns: 1fr;
    }

    .matrix-group h2 {
        font-size: 22px;
    }
}