/* ============================================================
   SEIFERT DYNAMICS — Homepage Sections
   ============================================================ */

/* ── Section 1: Focus Statement ──────────────────────────── */

.section-focus {
  background: var(--bg-deep);
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.focus-statement {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: var(--ls-snug);
  color: var(--text-bright);
  max-width: 900px;
}

.focus-statement em {
  font-style: normal;
  color: rgba(255,255,255,0.92);
}

.focus-sub {
  margin-top: var(--sp-8);
  font-size: var(--fs-md);
  font-weight: 300;
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  max-width: 640px;
  border-left: 2px solid var(--border-bright);
  padding-left: var(--sp-6);
}

/* ── Section 2: Capabilities Overview ────────────────────── */

.section-capabilities {
  background: var(--bg-graphite);
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dim);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cap-cell {
  background: var(--bg-graphite);
  padding: clamp(2rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: background var(--dur-base) var(--ease-out);
  text-decoration: none;
  cursor: pointer;
}

.cap-cell:hover {
  background: var(--bg-surface);
}

.cap-cell-icon {
  width: 32px;
  height: 32px;
  color: var(--accent);
  opacity: 0.8;
}

.cap-cell-num {
  font-size: var(--fs-xs);
  color: var(--text-dim);
  letter-spacing: var(--ls-wide);
  font-weight: 400;
  margin-bottom: var(--sp-2);
}

.cap-cell-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: var(--ls-normal);
  line-height: var(--lh-snug);
}

.cap-cell-desc {
  font-size: var(--fs-sm);
  font-weight: 300;
  line-height: var(--lh-body);
  color: var(--text-secondary);
  flex: 1;
}

.section-capabilities .section-action {
  margin-top: var(--sp-10);
  display: flex;
  justify-content: flex-end;
}

/* ── Section 3: Operational Philosophy ───────────────────── */

.section-philosophy {
  background: var(--bg-dark);
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.philosophy-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.philosophy-text .heading-2 {
  margin-bottom: var(--sp-6);
}

.philosophy-text .body-lg {
  margin-bottom: var(--sp-6);
}

.philosophy-points {
  margin-top: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.philosophy-point {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--border-dim);
}

.philosophy-point:first-child {
  border-top: 1px solid var(--border-dim);
}

.philosophy-point-num {
  font-size: var(--fs-xs);
  color: var(--text-dim);
  letter-spacing: var(--ls-wide);
  min-width: 2rem;
  padding-top: 0.25rem;
}

.philosophy-point-text {
  font-size: var(--fs-sm);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

.philosophy-point-title {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}

/* Philosophy image side */
.philosophy-visual {
  position: relative;
}

.philosophy-img-wrap {
  aspect-ratio: 4/5;
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

/* TODO image: abstract infrastructure or dark command interface — navy and graphite tones */
.philosophy-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
}

.philosophy-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(11,18,32,0.6) 100%
  );
}

.philosophy-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--sp-6);
  z-index: 1;
}

.philosophy-caption p {
  font-size: var(--fs-sm);
  font-style: italic;
  color: rgba(255,255,255,0.45);
  font-family: var(--font-display);
  line-height: var(--lh-heading);
}

/* ── Section 4: Sectors / Environments ───────────────────── */

.section-sectors {
  background: var(--bg-deep);
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.sectors-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.sectors-intro {
  position: sticky;
  top: 100px;
}

.sectors-intro .heading-2 {
  margin-bottom: var(--sp-6);
}

.sectors-intro .body-base {
  margin-bottom: var(--sp-10);
}

.sectors-list {
  display: flex;
  flex-direction: column;
}

/* ── Section 5: Platform Preview ─────────────────────────── */

.section-platform-preview {
  background: var(--bg-void);
  padding: clamp(5rem, 9vw, 8rem) 0;
  border-top: 1px solid var(--border-dim);
}

.platform-preview-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.platform-preview-text .heading-2 {
  margin-bottom: var(--sp-6);
}

.platform-preview-text .body-lg {
  margin-bottom: var(--sp-8);
}

.platform-attrs {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--sp-10);
}

.platform-attr {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border-dim);
  font-size: var(--fs-sm);
  font-weight: 300;
  color: var(--text-secondary);
}

.platform-attr:first-child {
  border-top: 1px solid var(--border-dim);
}

.platform-attr-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.7;
}

.platform-visual {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
}

/* TODO image: abstract architectural schematic, dark dashboard or systems diagram */
.platform-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

/* Platform visual placeholder (when no image) */
.platform-visual-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-12);
}

.platform-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Section 6: Selected Insights ────────────────────────── */

.section-insights-preview {
  background: var(--bg-light);
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.section-insights-preview .eyebrow {
  color: var(--text-dark-soft);
}

.section-insights-preview .heading-2 {
  color: var(--text-dark);
}

.insights-preview-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-6);
  margin-bottom: clamp(3rem, 5vw, 4rem);
}

.insights-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

/* On light background insight card */
.section-insights-preview .insight-card {
  background: var(--bg-white);
  border-color: var(--border-light);
}

.section-insights-preview .insight-card:hover {
  border-color: var(--border-light-mid);
  background: var(--bg-light);
}

.section-insights-preview .insight-card__title {
  color: var(--text-dark);
}

.section-insights-preview .insight-card__excerpt {
  color: var(--text-dark-soft);
}

.section-insights-preview .insight-card__date,
.section-insights-preview .insight-card__read-time {
  color: var(--text-dark-soft);
}

/* ── Section 7: Engagement CTA ───────────────────────────── */

.section-cta {
  background: var(--bg-deep);
  padding: clamp(5rem, 10vw, 9rem) 0;
  border-top: 1px solid var(--border-dim);
}

.cta-inner {
  max-width: 760px;
}

.cta-inner .eyebrow {
  margin-bottom: var(--sp-5);
}

.cta-inner .heading-1 {
  margin-bottom: var(--sp-6);
}

.cta-inner .body-lg {
  margin-bottom: var(--sp-10);
  max-width: 540px;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 1024px) {
  .philosophy-split {
    grid-template-columns: 1fr;
    gap: var(--sp-12);
  }

  .philosophy-visual {
    order: -1;
  }

  .philosophy-img-wrap {
    aspect-ratio: 16/7;
  }

  .sectors-layout {
    grid-template-columns: 1fr;
  }

  .sectors-intro {
    position: static;
  }

  .platform-preview-inner {
    grid-template-columns: 1fr;
  }

  .insights-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .insights-preview-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .insights-preview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}