/* ============================================
   Features Page - Collections Stack Styles
   /assets/css/features-collections.css

   Styles ONLY for the collections stack section
   (.fcs-) that leads the features page. No other
   page loads this file. Colors reference the
   global public palette variables from public.css.
   ============================================ */

/* =================================
   SECTION LAYOUT
   ================================= */

.fcs-section {
    background: var(--white);
    padding: 56px 0;
}

.fcs-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.fcs-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 40px;
}

.fcs-title {
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.fcs-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fcs-subtitle {
    font-size: clamp(16px, 1.5vw, 18px);
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* =================================
   CARDS
   ================================= */

.fcs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.fcs-card {
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 24px;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.fcs-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.fcs-icon {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 16px;
}

.fcs-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin: 0 0 8px;
}

.fcs-card-text {
    font-size: 16px;
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* =================================
   RESPONSIVE - Mobile First
   ================================= */

@media (min-width: 640px) {
    .fcs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .fcs-section {
        padding: 72px 0;
    }

    .fcs-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .fcs-card {
        transition: none;
    }

    .fcs-card:hover {
        transform: none;
    }
}