/* ============================================================
   VOLTERRA WordPress Theme — import-export.css
   Energy Storage page styles.
   Keeps the page aligned with Volterra brand tokens and layout.
   ============================================================ */

.import-export-page {
  background: var(--surface);
  color: var(--on-surface);
}

.import-export-page .section-padding {
  padding: var(--space-section) 0;
}

.import-export-page .hero-section {
  position: relative;
  min-height: 88svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 9rem;
  padding-bottom: 6rem;
  background:
    linear-gradient(90deg, rgba(1, 22, 37, .82), rgba(1, 22, 37, .58), rgba(1, 22, 37, .28)),
    url("../images/import-export-hero.jpg") center/cover no-repeat;
}

.import-export-page .hero-section::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 35%;
  background: linear-gradient(180deg, rgba(248,249,255,0), var(--surface));
  pointer-events: none;
}

.import-export-page .hero-section .container,
.import-export-page .hero-content {
  position: relative;
  z-index: 1;
}

.import-export-page .hero-content {
  max-width: 46rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.import-export-page .eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: .42rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(163, 212, 134, .18);
  border: 1px solid rgba(255, 255, 255, .24);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.import-export-page .hero-content h1 {
  max-width: 44rem;
  color: #fff;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: .98;
  letter-spacing: -.06em;
  margin: 0;
}

.import-export-page .hero-content p {
  max-width: 39rem;
  color: rgba(255, 255, 255, .88);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.75;
  margin: 0;
}

.import-export-page .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.import-export-page .section-header {
  max-width: 48rem;
  margin: 0 auto var(--space-3xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.import-export-page .section-header .eyebrow {
  background: rgba(36, 76, 13, .09);
  border-color: rgba(36, 76, 13, .14);
  color: var(--primary);
}

.import-export-page .section-header h2 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.045em;
  margin: 0;
  color: var(--on-surface);
}

.import-export-page .section-header p {
  max-width: 42rem;
  margin: 0;
  color: var(--on-surface-variant);
  font-size: var(--fs-lg);
  line-height: 1.7;
}

.import-export-page .cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.import-export-page .feature-card {
  position: relative;
  min-height: 20rem;
  padding: 2.4rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.88));
  border: 1px solid rgba(194, 201, 185, .72);
  box-shadow: 0 16px 45px rgba(11, 28, 48, .07);
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}

.import-export-page .feature-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: .28rem;
  background: var(--gradient-energy);
  opacity: .9;
}

.import-export-page .feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(36, 76, 13, .25);
  box-shadow: 0 24px 70px rgba(11, 28, 48, .12);
}

.import-export-page .feature-card .material-symbols-outlined {
  width: 4rem;
  height: 4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border-radius: var(--radius-md);
  background: rgba(163, 212, 134, .24);
  color: var(--primary);
  font-size: 2rem;
}

.import-export-page .feature-card h3 {
  margin: 0 0 1rem;
  color: var(--on-surface);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1.15;
  letter-spacing: -.025em;
}

.import-export-page .feature-card p {
  margin: 0;
  color: var(--on-surface-variant);
  line-height: 1.75;
}

@media (max-width: 960px) {
  .import-export-page .cards-grid {
    grid-template-columns: 1fr;
  }

  .import-export-page .hero-section {
    min-height: 78svh;
  }
}

@media (max-width: 640px) {
  .import-export-page .section-padding {
    padding: 5rem 0;
  }

  .import-export-page .hero-section {
    padding-top: 7.5rem;
    padding-bottom: 4.5rem;
  }

  .import-export-page .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .import-export-page .hero-actions .btn {
    justify-content: center;
  }

  .import-export-page .feature-card {
    min-height: auto;
    padding: 2rem;
  }
}

/* Energy Storage detail sections */
.import-export-page .storage-intelligence-section {
  position: relative;
  background:
    radial-gradient(circle at 10% 10%, rgba(163, 212, 134, .16), transparent 32rem),
    linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(245, 248, 242, .88));
  overflow: hidden;
}

.import-export-page .storage-split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(20rem, .76fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.import-export-page .storage-split-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
}

.import-export-page .storage-split-content h2 {
  margin: 0;
  max-width: 46rem;
  color: var(--on-surface);
  font-size: clamp(2.15rem, 4.4vw, 4.45rem);
  line-height: 1.03;
  letter-spacing: -.05em;
}

.import-export-page .storage-split-content p {
  max-width: 42rem;
  margin: 0;
  color: var(--on-surface-variant);
  font-size: var(--fs-lg);
  line-height: 1.75;
}

.import-export-page .storage-check-list {
  display: grid;
  gap: 1rem;
  margin: .5rem 0 0;
  padding: 0;
  list-style: none;
}

.import-export-page .storage-check-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: .9rem;
  align-items: flex-start;
  color: var(--on-surface);
  font-weight: 600;
  line-height: 1.65;
}

.import-export-page .storage-check-list .material-symbols-outlined {
  color: var(--primary);
  font-size: 1.45rem;
  transform: translateY(.12rem);
}

.import-export-page .storage-metrics-panel {
  position: relative;
  display: grid;
  gap: var(--space-md);
  padding: clamp(1.3rem, 3vw, 2rem);
  border-radius: var(--radius-2xl, 2rem);
  background:
    linear-gradient(145deg, rgba(1, 22, 37, .97), rgba(7, 48, 57, .94));
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 28px 80px rgba(11, 28, 48, .18);
  overflow: hidden;
}

.import-export-page .storage-metrics-panel::before {
  content: "";
  position: absolute;
  inset: -35% -20% auto auto;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: rgba(163, 212, 134, .2);
  filter: blur(12px);
}

.import-export-page .storage-metric-card {
  position: relative;
  z-index: 1;
  display: grid;
  gap: .65rem;
  padding: 1.35rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(14px);
}

.import-export-page .storage-metric-card strong {
  color: #fff;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.1;
  letter-spacing: -.025em;
}

.import-export-page .storage-metric-card span {
  color: rgba(255, 255, 255, .76);
  line-height: 1.65;
}

.import-export-page .storage-lifecycle-section {
  background: var(--surface);
}

.import-export-page .storage-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
  counter-reset: storageSteps;
}

.import-export-page .storage-timeline-item {
  position: relative;
  min-height: 21rem;
  padding: 2.2rem;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(255, 255, 255, .9));
  border: 1px solid rgba(194, 201, 185, .72);
  box-shadow: 0 16px 45px rgba(11, 28, 48, .07);
  overflow: hidden;
}

.import-export-page .storage-timeline-item::after {
  content: "";
  position: absolute;
  inset: auto 1.5rem 1.5rem auto;
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: rgba(163, 212, 134, .18);
  pointer-events: none;
}

.import-export-page .storage-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.4rem;
  height: 3.4rem;
  margin-bottom: 1.6rem;
  border-radius: 50%;
  color: #fff;
  background: var(--gradient-energy);
  font-weight: 800;
  letter-spacing: -.04em;
  box-shadow: 0 14px 30px rgba(36, 76, 13, .22);
}

.import-export-page .storage-timeline-item h3 {
  margin: 0 0 .85rem;
  color: var(--on-surface);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.15;
  letter-spacing: -.025em;
}

.import-export-page .storage-timeline-item p {
  margin: 0;
  color: var(--on-surface-variant);
  line-height: 1.75;
}

@media (max-width: 1024px) {
  .import-export-page .storage-split-grid,
  .import-export-page .storage-timeline {
    grid-template-columns: 1fr;
  }

  .import-export-page .storage-timeline-item {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .import-export-page .storage-split-content,
  .import-export-page .storage-split-content .eyebrow {
    align-items: flex-start;
    text-align: left;
  }

  .import-export-page .storage-check-list li {
    grid-template-columns: 1.7rem 1fr;
  }

  .import-export-page .storage-metric-card,
  .import-export-page .storage-timeline-item {
    padding: 1.5rem;
  }
}