/* ─── Page hero ───────────────────────────────────────── */
.page-hero {
  padding: 140px 40px 80px;
  border-bottom: 1px solid var(--card-border);
}
.page-hero-heading {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 16px;
  max-width: 700px;
}
.page-hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── Feature sections ────────────────────────────────── */
.feat-section { padding: 80px 40px; }
.feat-section-flagship { padding-top: 100px; }
.feat-section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  transition: background 0.2s;
}

.feat-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feat-detail-reverse { direction: rtl; }
.feat-detail-reverse > * { direction: ltr; }

.feat-detail-text .s-label { margin-bottom: 10px; }
.feat-detail-text .s-heading { margin-bottom: 16px; }
.feat-detail-body {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.feat-detail-body a { color: var(--orange-bright); text-decoration: none; }
.feat-detail-body a:hover { text-decoration: underline; }

.feat-detail-body code,
.feat-detail-text code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange-warm);
}

.feat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 0;
}
.feat-list li {
  font-size: 14.5px;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.feat-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--orange-bright);
}

/* ─── Text-only sections (no visual column) ──────────── */
.feat-text-only { max-width: 640px; }
.feat-text-only .s-heading { margin-bottom: 16px; }
.feat-text-only .feat-detail-body { margin-bottom: 20px; }

/* ─── Placeholder visual ──────────────────────────────── */
.feat-detail-visual-placeholder { display: flex; align-items: center; }
.feat-placeholder {
  width: 100%;
  border: 1px dashed var(--card-border);
  border-radius: 12px;
  background: var(--card-bg);
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.feat-placeholder svg { color: var(--text-dim); }
.feat-placeholder p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
  max-width: 200px;
}

/* ─── Export graphic ─────────────────────────────────── */
.feat-graphic-card {
  width: 100%;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 40px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feat-graphic-card svg {
  width: 100%;
  max-width: 340px;
  overflow: visible;
}

/* ─── Code examples ───────────────────────────────────── */
.feat-code-example {
  border: 1px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
  background: #111;
}
.fce-bar {
  background: #181818;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.fce-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: #888;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.fce-body {
  padding: 20px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
}
.fce-body pre { margin: 0; }
.fce-body code { font-family: inherit; font-size: inherit; color: #999; }

/* ─── Inline feature grid ─────────────────────────────── */
.inline-feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.inline-feat-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
.inline-feat h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 10px; }
.inline-feat-heading { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 10px; }
.inline-feat p { font-size: 14.5px; color: var(--text-muted); line-height: 1.65; }
.inline-feat p a { color: var(--orange-bright); text-decoration: none; }
.inline-feat p a:hover { text-decoration: underline; }
.inline-feat code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-warm);
}

/* ─── Layout grid ──────────────────────────────────────── */
.layout-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.layout-item { display: flex; flex-direction: column; gap: 10px; }
.layout-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ─── Theme trio (3 slides in visual column) ──────────── */
.theme-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.theme-name {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  letter-spacing: 0.05em;
}

/* ─── Responsive ───────────────────────────────────────── */
@media (max-width: 820px) {
  .page-hero { padding: 110px 20px 60px; }
  .feat-section { padding: 60px 20px; }
  .feat-detail { grid-template-columns: 1fr; gap: 40px; }
  .feat-detail-reverse { direction: ltr; }
  .inline-feat-grid { grid-template-columns: 1fr; gap: 32px; }
  .inline-feat-grid-2 { grid-template-columns: 1fr; }
  .layout-grid { grid-template-columns: 1fr 1fr; }
  .theme-trio { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 500px) {
  .layout-grid { grid-template-columns: 1fr; }
}