/* ========== Oil page — Hero ========== */
.oil-hero {
  position: relative;
  width: 100%;
  min-height: clamp(380px, 62vw, 600px);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  border-radius: 0 0 var(--radius) var(--radius);
}

.oil-hero__image {
  position: absolute;
  inset: 0;
}

.oil-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.oil-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.13) 0%, rgba(0, 0, 0, 0.17) 35%, transparent 55%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.12) 0%, rgba(0, 0, 0, 0.28) 100%);
  z-index: 1;
}

.oil-hero__content {
  position: relative;
  z-index: 2;
  text-align: left;
  padding: clamp(1.5rem, 4vw, 3rem);
  padding-left: clamp(1.75rem, 6vw, 3.5rem);
  max-width: 85%;
}

.oil-hero__title {
  font-family: 'Sputnik', sans-serif;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  color: var(--main-white);
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

/* ========== Steps section ========== */
.oil-steps-section {
  padding: var(--space-section) clamp(1rem, 4vw, 2.5rem) 0;
  margin: 0 auto;
  max-width: 64rem;
}

.oil-steps-section__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--font-size-h2);
  color: var(--main-color-dark);
  text-align: center;
  margin: 0 0 2rem 0;
}

.oil-steps-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Step card — same as .step for JS visibility */
.oil-step-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
  background: var(--main-white);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--main-muted);
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out, box-shadow 0.2s ease;
}

.oil-step-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.oil-step-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.oil-step-card__content {
  order: 1;
}

.oil-step-card__image {
  order: 2;
  border-radius: var(--radius);
  overflow: hidden;
}

.oil-step-card__image img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

.oil-step-card__number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--font-size-h2);
  color: var(--main-color);
  margin: 0 0 0.75rem 0;
}

.oil-step-card__content p {
  font-size: var(--font-size-body);
  line-height: 1.65;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.oil-step-card__content p:last-child {
  margin-bottom: 0;
}

/* Alternate layout: even cards have image on left */
.oil-step-card:nth-child(even) .oil-step-card__content {
  order: 2;
}

.oil-step-card:nth-child(even) .oil-step-card__image {
  order: 1;
}

/* ========== CTA ========== */
.oil-cta {
  text-align: center;
  padding: var(--space-section) clamp(1rem, 4vw, 2.5rem);
  max-width: 40rem;
  margin: 0 auto;
}

.oil-cta__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--font-size-h2);
  color: var(--text-primary);
  margin: 0 0 0.75rem 0;
}

.oil-cta__text {
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 1.5rem 0;
}

.oil-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  padding: 0.9rem 1.75rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--main-white);
  background: var(--main-color);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(9, 133, 7, 0.35);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.oil-cta__btn:hover {
  background: var(--main-color-dark);
  box-shadow: 0 6px 20px rgba(9, 133, 7, 0.4);
}

.oil-cta__btn:active {
  transform: translateY(1px);
}

.oil-cta__btn:focus-visible {
  outline: 2px solid var(--main-color);
  outline-offset: 3px;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .oil-hero {
    min-height: 240px;
    border-radius: 0;
  }

  .oil-hero__title {
    font-size: clamp(1.25rem, 5vw, 1.5rem);
  }

  .oil-steps-section {
    padding: var(--space-block) 1rem 0;
  }

  .oil-steps-section__title {
    margin-bottom: 1.25rem;
    font-size: var(--font-size-h2);
  }

  .oil-step-card {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.25rem;
  }

  .oil-step-card__content {
    order: 2;
  }

  .oil-step-card__image {
    order: 1;
  }

  .oil-step-card:nth-child(even) .oil-step-card__content,
  .oil-step-card:nth-child(even) .oil-step-card__image {
    order: unset;
  }

  .oil-step-card:nth-child(even) .oil-step-card__image {
    order: 1;
  }

  .oil-step-card:nth-child(even) .oil-step-card__content {
    order: 2;
  }

  .oil-cta {
    padding: var(--space-block) 1rem;
  }

  .oil-cta__btn {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  .oil-hero__title {
    font-size: 1.2rem;
  }
}