/* ============================================================
   catalog.css — Home page & simulators catalog
   engsim.app
   ============================================================ */

/* ══════════════════════════════════════════════════════════════
   HOME HERO
   ══════════════════════════════════════════════════════════════ */
.home-hero {
    padding: var(--space-2xl) 0 var(--space-xl);
    background: linear-gradient(160deg, #f0f4ff 0%, var(--bg-page) 60%);
    border-bottom: 1px solid var(--border);
}

body.dark .home-hero {
    background: linear-gradient(160deg, #1a2744 0%, var(--bg-page) 60%);
}

.home-hero__eyebrow {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--brand-accent);
    margin-bottom: var(--space-md);
}

.home-hero__title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.home-hero__title em {
    color: var(--brand-accent);
    font-style: normal;
}

.home-hero__subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.home-hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 13px 28px;
    background: var(--brand-accent);
    color: #fff;
    font-size: .95rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: background var(--transition), transform var(--transition);
}

.btn-cta-primary:hover {
    background: var(--brand-accent-h);
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-cta-primary svg {
    width: 18px;
    height: 18px;
}

.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 13px 28px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: .95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition);
}

.btn-cta-secondary:hover {
    background: var(--bg-hover);
    text-decoration: none;
}

.home-hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.home-hero__badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: .8rem;
    color: var(--text-muted);
}

.home-hero__badge svg {
    width: 15px;
    height: 15px;
    color: var(--color-success);
    flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════
   FEATURED / CATALOG SECTIONS
   ══════════════════════════════════════════════════════════════ */
.catalog-section {
    padding: var(--space-xl) 0;
}

.catalog-section+.catalog-section {
    border-top: 1px solid var(--border);
}

.catalog-section__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.catalog-section__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.catalog-section__count {
    font-size: .8rem;
    color: var(--text-muted);
}

/* Category anchor tags (hero) */
.catalog-hero {
    padding: var(--space-xl) 0 var(--space-lg);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, #f0f4ff 0%, var(--bg-page) 80%);
}

body.dark .catalog-hero {
    background: linear-gradient(135deg, #1a2744 0%, var(--bg-page) 80%);
}

.catalog-hero__title {
    margin-bottom: var(--space-sm);
}

.catalog-hero__sub {
    margin-bottom: var(--space-lg);
    max-width: 560px;
}

.catalog-hero__filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.catalog-filter-tag {
    font-size: .8rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 5px 14px;
    border-radius: 99px;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.catalog-filter-tag:hover {
    background: var(--brand-accent);
    color: #fff;
    border-color: var(--brand-accent);
    text-decoration: none;
}

/* ══════════════════════════════════════════════════════════════
   TOOL CARDS
   ══════════════════════════════════════════════════════════════ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.tool-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-decoration: none;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    color: inherit;
}

.tool-card:hover {
    border-color: var(--brand-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
}

/* Coming soon card */
.tool-card--soon {
    opacity: .6;
    pointer-events: none;
    cursor: default;
}

.tool-card--soon:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border);
}

.tool-card__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.tool-card__icon {
    width: 38px;
    height: 38px;
    background: rgba(37, 99, 235, .1);
    color: var(--brand-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tool-card__icon svg {
    width: 18px;
    height: 18px;
}

.tool-card__category {
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--text-muted);
    background: var(--bg-hover);
    padding: 3px 10px;
    border-radius: 99px;
    white-space: nowrap;
}

.tool-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.tool-card__desc {
    font-size: .85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    margin-bottom: var(--space-md);
}

.tool-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
    font-size: .8rem;
    font-weight: 600;
    color: var(--brand-accent);
}

.tool-card__footer svg {
    width: 14px;
    height: 14px;
}

.tool-card--soon .tool-card__footer {
    color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════════
   ABOUT / FEATURES SECTION (home page)
   ══════════════════════════════════════════════════════════════ */
.features-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.feature-item__icon {
    width: 42px;
    height: 42px;
    background: rgba(37, 99, 235, .1);
    color: var(--brand-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-item__icon svg {
    width: 20px;
    height: 20px;
}

.feature-item__title {
    font-size: .95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.feature-item__desc {
    font-size: .85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}