/* ========================================
   Sustainability Page
   ======================================== */

/* === Track Record Milestones === */
.sustain-track-record {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.sustain-milestone {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.sustain-milestone::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-warm));
}

.sustain-milestone__year {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.sustain-milestone__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-heading);
  margin-bottom: var(--space-sm);
}

.sustain-milestone__body {
  font-size: 0.95rem;
  color: var(--color-body);
  line-height: 1.7;
}

.sustain-milestone__stat {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(232, 114, 42, 0.08);
  border: 1px solid rgba(232, 114, 42, 0.2);
  border-radius: 20px;
  padding: 0.3rem 0.9rem;
}

/* === Electrification Pillars === */
.sustain-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.sustain-pillar {
  text-align: center;
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

/* Orange top-bar sweep on hover — matches About page value cards */
.sustain-pillar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.sustain-pillar:hover::before {
  transform: scaleX(1);
}

.sustain-pillar:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.sustain-pillar__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  background: rgba(232, 114, 42, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sustain-pillar__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.8;
}

.sustain-pillar__title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  color: var(--color-heading);
  margin-bottom: var(--space-sm);
}

.sustain-pillar__body {
  font-size: var(--font-size-sm);
  color: var(--color-body);
  line-height: 1.7;
}

/* === ISO Section === */
.iso-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  align-items: start;
}

.iso-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.iso-item__badge {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 4px;
}

.iso-item__content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0.25rem;
}

.iso-item__content p {
  font-size: 0.88rem;
  color: var(--color-body);
  line-height: 1.6;
}

/* === Vision Pull Quote === */
.vision-quote {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.vision-quote__text {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.45;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.vision-quote__attr {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* === Responsive === */
@media (max-width: 768px) {
  .sustain-track-record,
  .sustain-pillars,
  .iso-grid {
    grid-template-columns: 1fr;
  }
}