/* ═══════════════════════════════════════════════
   NABLA — About Page
   Depends: theme.css + components.css + about.css
═══════════════════════════════════════════════ */

.about-container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 5rem 2rem 7rem;
}

/* ── Hero ── */
.about-hero {
  margin-bottom: 5rem;
  max-width: 720px;
}

.about-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-bright);
  display: block;
  margin-bottom: 1rem;
}

.about-title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.about-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ── Section label ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange-bright);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 14px;
  background: var(--grad-brand);
  border-radius: 2px;
}

/* ── Feature grid ── */
.about-section { margin-bottom: 5rem; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--orange-glow), transparent);
  opacity: 0;
  transition: opacity 0.22s;
}

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

.glass-card:hover::before { opacity: 1; }

.card-h3 {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.card-p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}
.card-p:last-child { margin-bottom: 0; }

/* ── HW callout ── */
.hw-callout {
  background: linear-gradient(135deg, rgba(255,106,26,0.06) 0%, var(--surface) 100%);
  border: 1.5px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-bottom: 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hw-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hw-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--orange-dim);
  border: 1px solid rgba(255,138,61,0.3);
  color: var(--orange-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hw-icon svg { width: 22px; height: 22px; }

.hw-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hw-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.hw-tip {
  background: var(--void);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--amber);
  line-height: 1.6;
}

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

.domain-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.2s;
}

.domain-card:hover { border-color: var(--border-hover); }

.domain-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--orange-bright);
}

.domain-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Ecosystem ── */
.about-link {
  color: var(--orange-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.18s;
}

.about-link:hover { color: var(--amber); }

/* ── FAQ ── */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  transition: border-color 0.2s;
}

.faq-card:hover { border-color: var(--border-hover); }

.faq-q {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
}

.faq-a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .about-container { padding: 3.5rem 1.25rem 5rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .hw-callout { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .about-hero { margin-bottom: 3rem; }
  .hw-callout { padding: 1.25rem; }
  .glass-card, .domain-card, .faq-card { padding: 1.25rem; }
}