/* ═══════════════════════════════════════════════════════
   about.css  —  Page-specific styles for about.html
   Shared layout tokens live in style.css
   ═══════════════════════════════════════════════════════ */

/* ── Page layout: sidebar + content ─────────────────── */
.about-wrapper {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  max-width: 1140px;
  margin: 48px auto 80px;
  padding: 0 24px;
  /* No align-items here — sidebar uses align-self: start */
}

/* ── Sidebar ─────────────────────────────────────────── */
.about-sidebar {
  align-self: start;               /* sticky only works with align-self, not align-items */
  position: sticky;
  top: calc(64px + 24px);
  padding-right: 28px;
  padding-top: 4px;
}

.about-sidebar ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-link {
  display: block;
  padding: 7px 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.sidebar-link:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
}

.sidebar-link.active {
  color: var(--orange);
  background: var(--orange-lt);
  font-weight: 600;
}

/* ── Main content area ───────────────────────────────── */
.about-content {
  min-width: 0; /* prevent grid blowout */
}

/* ── Sections ────────────────────────────────────────── */
.about-section {
  padding: 48px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.about-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-section h1 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  color: var(--text);
}

.about-section h2 {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 16px;
  color: var(--text);
}

.about-section p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 14px;
}

.about-section p:last-child { margin-bottom: 0; }

/* ── Feature grid ────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--orange-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  color: var(--orange);
  stroke-width: 1.75;
}

.feature-icon i { display: flex; }

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  max-width: none;
  margin-bottom: 0;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  .about-wrapper {
    grid-template-columns: 1fr;
    margin-top: 32px;
  }

  .about-sidebar {
    position: static;
    padding-right: 0;
    margin-bottom: 16px;
  }

  .about-sidebar ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .sidebar-link {
    border-left: none;
    border-bottom: 2px solid transparent;
  }

  .sidebar-link.active {
    border-left: none;
    border-bottom-color: var(--orange);
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .about-section h1 { font-size: 26px; }
  .about-section h2 { font-size: 20px; }
  .about-section p  { font-size: 15px; }
}