/* ========== Hero ========== */
.sre-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 460px;
  height: clamp(400px, 48vw, 560px);
  overflow: hidden;
  background: #0d2133;
}

.sre-hero__bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.sre-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.58);
}

.sre-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 48px 24px;
}

.sre-hero__content {
  max-width: 780px;
  text-align: left;
}

.sre-hero__eyebrow {
  margin-bottom: 10px;
  font-size: 16px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
}

.sre-hero__title {
  margin-bottom: 16px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-white);
}

.sre-hero__desc {
  max-width: 680px;
  margin-bottom: 28px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.94);
}

/* ========== Buttons ========== */
.sre-btn {
  display: inline-block;
  padding: 11px 32px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 4px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.sre-btn--ghost-light {
  color: var(--color-white);
  border-color: var(--color-white);
  background: transparent;
}

.sre-btn--ghost-light:hover,
.sre-btn--ghost-light:focus-visible {
  color: var(--color-primary);
  background: var(--color-white);
}

.sre-btn--ghost-dark {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: transparent;
}

.sre-btn--ghost-dark:hover,
.sre-btn--ghost-dark:focus-visible {
  color: var(--color-white);
  background: var(--color-primary);
}

.sre-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.page-main--retrofit-landing02 {
  background: var(--color-bg-light);
}

/* ========== Feature Cards ========== */
.sre-cards {
  padding: 48px 0 56px;
}

.sre-cards__stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sre-card {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  background: var(--color-white);
  border-radius: 0;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.08);
}

.sre-card__bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 1;
  transform: scale(1.06);
}

.sre-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.76);
}

.sre-card__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 44%);
  gap: 40px;
  align-items: center;
  min-height: 420px;
  padding: 48px 40px;
}

.sre-card__title {
  margin-bottom: 16px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
}

.sre-card__text {
  margin-bottom: 24px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
}

.sre-card__media img {
  display: block;
  width: 100%;
  max-height: 320px;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.sre-card--blue {
  color: var(--color-white);
  background-color: var(--color-primary);
}

.sre-card--blue .sre-card__overlay {
  background: rgba(0, 83, 135, 0.78);
}

.sre-card--blue .sre-card__title,
.sre-card--blue .sre-card__text {
  color: var(--color-white);
}

.sre-card--blue .sre-checklist__text {
  color: rgba(255, 255, 255, 0.94);
}

.sre-card--blue .sre-checklist__icon {
  color: var(--color-white);
}

.sre-card--light .sre-card__overlay {
  background: rgba(255, 255, 255, 0.76);
}

.sre-checklist {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.sre-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.sre-checklist__icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
  line-height: 0;
}

.sre-checklist__text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
}

/* ========== Icon Grid ========== */
.sre-benefits {
  padding: 0 0 56px;
}

.sre-benefits--stacked {
  padding: 0;
}

.sre-benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.sre-benefit {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 88px;
  padding: 20px 22px;
  background: var(--color-white);
  border: 1px solid rgba(0, 83, 135, 0.35);
  border-radius: 0;
}

.sre-benefit__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  line-height: 0;
}

.sre-benefit__icon img {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.sre-benefit__text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text);
}

/* ========== Performance ========== */
.sre-performance {
  padding: 56px 0 64px;
  background: var(--color-white);
}

.sre-performance__chart {
  margin: 0 auto 40px;
  max-width: 960px;
  text-align: center;
}

.sre-performance__chart img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.sre-performance__heading {
  margin-bottom: 28px;
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  color: var(--color-primary);
}

.sre-performance__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px 40px;
}

.sre-performance__col h3 {
  margin-bottom: 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.sre-performance__col ul {
  margin: 0;
  padding-left: 1.1em;
  list-style: disc;
}

.sre-performance__col li {
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* ========== Video ========== */
.sre-video {
  position: relative;
  padding: 72px 0 88px;
  overflow: hidden;
  background: var(--color-primary);
}

.sre-video__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.sre-video__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(0, 83, 135, 0.62);
}

.sre-video__inner {
  position: relative;
  z-index: 2;
}

.sre-video__frame {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px;
  background: var(--color-white);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.24);
}

.sre-video__frame-border {
  padding: 4px;
  border: 2px solid var(--color-primary);
  background: var(--color-primary);
}

.sre-video__player {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  vertical-align: middle;
  background: #000000;
  object-fit: cover;
  border: 0;
}

.sre-video__player--youtube {
  object-fit: unset;
}

/* ========== Tablet ========== */
@media (max-width: 960px) {
  .sre-card__inner {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: auto;
    padding: 40px 32px;
  }

  .sre-benefits__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sre-performance__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ========== Mobile ========== */
@media (max-width: 768px) {
  .sre-hero__inner {
    padding: 40px 24px;
  }

  .sre-cards {
    padding: 32px 0 40px;
  }

  .sre-card {
    min-height: auto;
  }

  .sre-card__inner {
    padding: 32px 24px;
  }

  .sre-benefits__grid {
    grid-template-columns: 1fr;
  }

  .sre-benefit {
    min-height: auto;
  }

  .sre-performance,
  .sre-video {
    padding: 48px 0 64px;
  }

  .sre-video__frame {
    padding: 10px;
  }
}

@media (max-width: 640px) {
  .sre-hero__title,
  .sre-card__title,
  .sre-performance__heading {
    font-size: 24px;
  }
}