/* ============================================================
   NexGo.im — Portfolio Hub (Phase 3)
   Extends root.css / button.css / terminal.css. Clean white,
   dark ink, blue accent — same design language, new sections.
   ============================================================ */

/* --- Company Story / About --- */
.story-section {
  max-width: 720px;
  margin: 3.5rem auto 0;
  text-align: center;
}

.story-section h2 {
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.story-section p {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.story-section .lead {
  font-size: 1.1rem;
  color: var(--text-primary);
}

/* --- Portfolio / Product Cards --- */
.portfolio-section {
  margin: 4rem auto 0;
}

.portfolio-section .section-title {
  text-align: center;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.portfolio-section .section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.portfolio-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.18s ease-in-out;
  text-decoration: none;
  color: var(--text-primary);
}

.portfolio-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-medium);
}

.portfolio-card .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.portfolio-card .product-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.portfolio-card .status-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  text-transform: uppercase;
}

.status-pill.live {
  background: #ecfdf5;
  color: var(--accent-green);
  border: 1px solid #a7f3d0;
}

.status-pill.in-dev {
  background: #eff6ff;
  color: var(--accent-primary);
  border: 1px solid #bfdbfe;
}

.portfolio-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.portfolio-card p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-secondary);
  flex: 1;
}

.portfolio-card .card-meta {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.portfolio-card .card-meta .arrow {
  color: var(--accent-primary);
  font-size: 1rem;
}

/* --- Technology / Security --- */
.tech-section {
  margin: 4rem auto 0;
}

.tech-section .section-title {
  text-align: center;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.tech-tile {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  text-align: center;
}

.tech-tile .tech-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.tech-tile .tech-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* --- Investor / Contact CTA --- */
.cta-section {
  margin: 4rem auto 0;
  background: var(--text-primary);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  color: var(--text-inverse);
}

.cta-section h2 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.cta-section p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 560px;
  margin: 0 auto 1.75rem;
}

.cta-actions {
  display: flex;
  gap: 0.875rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .btn-cta-primary {
  background: var(--text-inverse);
  color: var(--text-primary);
  border: 1px solid transparent;
}

.cta-actions .btn-cta-primary:hover {
  background: #e2e8f0;
}

.cta-actions .btn-cta-ghost {
  background: transparent;
  color: var(--text-inverse);
  border: 1px solid #475569;
}

.cta-actions .btn-cta-ghost:hover {
  border-color: #94a3b8;
  background: rgba(255, 255, 255, 0.05);
}

/* --- Expanded footer --- */
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.5rem;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-note {
  margin-top: 0.75rem;
}

/* --- Responsive --- */
@media (max-width: 560px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-section {
    padding: 2rem 1.25rem;
  }
}