/*
 * FILE: public/css/portfolio.css
 * UPDATED: Card structure — Name > Subtitle(h4) > Category > Desc > Founder
 */

/* ═══════════════════════════════════════
   SHARED: Orange eyebrow label
═══════════════════════════════════════ */
.pf-eyebrow {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-brand-orange);
  margin-bottom: var(--space-md);
  letter-spacing: 0.01em;
}

/* ═══════════════════════════════════════
   OUR APPROACH SECTION
═══════════════════════════════════════ */
.approach-section {
  padding-block: var(--space-5xl);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--color-brand-light-grey);
}

.approach-heading {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4xl);
  max-width: 680px;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3xl);
}

.approach-card {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-md);
}

.approach-card__icon {
  flex-shrink: 0;
  margin-top: 3px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.approach-card__title {
  font-family: var(--font-body);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.approach-card__body {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0;
}

/* ═══════════════════════════════════════
   OUR PORTFOLIO SECTION
═══════════════════════════════════════ */
.portfolio-section {
  padding-block: var(--space-5xl);
  background: var(--bg-primary);
}

.portfolio-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3xl);
  max-width: 700px;
}

/* ── Tab filters ── */
.portfolio-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--color-brand-light-grey);
  margin-bottom: var(--space-3xl);
}

.portfolio-tab {
  padding: 0.625rem 1.375rem;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
  letter-spacing: 0.01em;
}

.portfolio-tab:hover {
  color: var(--text-primary);
}

.portfolio-tab.active,
.portfolio-tab[aria-pressed="true"] {
  color: var(--text-primary);
  font-weight: 700;
  border-bottom-color: var(--text-primary);
}

.portfolio-tab:focus-visible {
  outline: 3px solid var(--color-brand-orange);
  outline-offset: 3px;
  border-radius: 4px 4px 0 0;
}

/* ═══════════════════════════════════════
   PORTFOLIO CARD
   Structure:
     Logo box
     h3  — Company Name       (bold, large)
     h4  — Sub Name/Tagline   (medium, dark)
     p   — Category           (grey, small)
     p   — Description
     div — Founder footer
═══════════════════════════════════════ */
.portfolio-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.portfolio-card--full {
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: 0;                      /* controlled individually per element */
  background: var(--bg-primary);
  border: 1px solid var(--color-brand-light-grey);
  border-radius: var(--border-radius-lg);
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.portfolio-card--full:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(254,110,0,0.25);
  transform: translateY(-3px);
}

/* Logo box */
.portfolio-card__logo-wrap {
  width: 140px;
  height: 90px;
  border: 1px solid var(--color-brand-light-grey);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  overflow: hidden;
  background: var(--bg-primary);
}

.portfolio-card__logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
}

.portfolio-card__logo-initial {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-brand-orange);
}

/* 1. Company Name — h3 */
.portfolio-card__name {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin: 0 0 var(--space-sm) 0;
}

/* 2. Sub Name / Tagline — h4  ← NEW */
.portfolio-card__subtitle {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0 0 var(--space-sm) 0;
}

/* 3. Category — grey label */
.portfolio-card__category {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  margin: 0 0 var(--space-md) 0;
  letter-spacing: 0.01em;
}

/* 4. Description */
.portfolio-card__desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0 0 var(--space-xl) 0;
  flex: 1;
}

/* 5. Footer */
.portfolio-card__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-brand-light-grey);
  margin-top: auto;
  gap: var(--space-sm);
}

.portfolio-card__founder-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.portfolio-card__founder-name {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-primary);
  margin: 0;
}

.portfolio-card__read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-brand-orange);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.portfolio-card__read-more:hover { opacity: 0.8; }

/* Hidden cards */
.portfolio-card--full[hidden] { display: none !important; }

/* No results */
.filter-no-results {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 0;
  font-size: var(--font-size-base);
}

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .approach-grid       { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .portfolio-full-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .portfolio-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .portfolio-tab  { font-size: var(--font-size-sm); padding: 0.5rem 1rem; }
}

@media (max-width: 640px) {
  .portfolio-full-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════
   PRE-INCEPTION INVESTMENTS SECTION
   Matches screenshot exactly:
   - White background
   - Orange eyebrow label
   - Bold 2-line heading
   - 3-col logo-only grid
   - Square bordered boxes, logo centered
═══════════════════════════════════════ */
.preinception-section {
  padding-block: var(--space-5xl);
  background: var(--bg-primary);
  border-top: 1px solid var(--color-brand-light-grey);
}

.preinception-heading {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4xl);
  max-width: 700px;
}

/* 3-column logo grid */
.preinception-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

/* Each logo box — square, bordered, logo centered */
.preinception-card {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--color-brand-light-grey);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: var(--bg-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
  overflow: hidden;
}

.preinception-card:hover {
  border-color: rgba(254,110,0,0.30);
  box-shadow: var(--shadow-md);
}

.preinception-card__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
}

.preinception-card__link:focus-visible {
  outline: 3px solid var(--color-brand-orange);
  outline-offset: 3px;
  border-radius: var(--border-radius-sm);
}

.preinception-card__logo {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.preinception-card__fallback {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-brand-orange);
}

/* Responsive */
@media (max-width: 768px) {
  .preinception-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .preinception-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ═══════════════════════════════════════
   PRE-INCEPTION EMPTY STATE
═══════════════════════════════════════ */
.preinception-empty {
  text-align: center;
  padding: var(--space-4xl) 0;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: var(--font-size-base);
}