/* ==========================================================================
   How It Works Page — Alternating Split Layout
   ========================================================================== */

/* ── Process Steps Container ─────────────────────────────────────────────── */

.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  position: relative;
}

/* Desktop timeline connector — center gold line */
@media (min-width: 1024px) {
  .process-steps::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 48px;
    bottom: 120px;
    width: 2px;
    background: linear-gradient(
      180deg,
      var(--gold-400) 0%,
      var(--gold-500) 40%,
      var(--gold-400) 100%
    );
    transform: translateX(-50%);
    z-index: 0;
  }
}

/* ── Split Step (each process step) ──────────────────────────────────────── */

.process-step-split {
  position: relative;
  z-index: 1;
}

/* Mobile: single column, image on top */
.process-step-split__image {
  margin-bottom: var(--space-6);
}

.process-step-split__image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  max-height: 400px;
  box-shadow: 0 8px 32px -8px rgba(0, 0, 0, 0.12);
  transition: transform 0.4s var(--ease-expo-out);
}

.process-step-split__image img:hover {
  transform: scale(1.02);
}

/* Desktop: 2-column grid */
@media (min-width: 1024px) {
  .process-step-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
  }

  .process-step-split__image {
    margin-bottom: 0;
  }

  .process-step-split__image img {
    max-height: 480px;
    border-radius: 16px;
  }

  /* Even steps: swap image to right (content left, image right) */
  .process-step-split:nth-child(even) .process-step-split__image {
    order: 2;
  }

  .process-step-split:nth-child(even) .process-step-split__content {
    order: 1;
  }
}

/* ── Content Column ──────────────────────────────────────────────────────── */

.process-step-split__content {
  background: var(--white);
  border-radius: 16px;
  padding: var(--space-8);
  box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--gold-400);
}

/* ── Header (number + title + duration) ──────────────────────────────────── */

.process-step-split__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--gray-200);
}

.process-step-split__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--charcoal-900);
  margin-bottom: var(--space-1);
  line-height: 1.2;
}

/* ── Detail Sections ─────────────────────────────────────────────────────── */

.process-step-split__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.process-step-split__detail {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

/* Gold icon marker square */
.process-step-split__detail-marker {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-100);
  border-radius: 8px;
  color: var(--gold-600);
}

.process-step-split__detail-marker svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.process-step-split__detail h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--gray-500);
  margin-bottom: var(--space-1);
}

.process-step-split__detail p {
  font-size: var(--text-base);
  color: var(--gray-700);
  line-height: var(--leading-relaxed);
}

/* ── Optional Step (Step 7) ──────────────────────────────────────────────── */

.process-step-split--optional {
  display: block;
  max-width: 720px;
  margin: 0 auto;
}

.process-step-split--optional .process-step-split__content {
  border: 2px dashed var(--gray-300);
  border-left: 3px dashed var(--gray-300);
  background: var(--gray-50);
  box-shadow: none;
}

.process-step-split--optional .process-detailed__number {
  background-color: var(--gray-400);
}

/* ── Gantt Chart Enhancement ─────────────────────────────────────────────── */

.gantt-card {
  max-width: 880px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 16px;
  padding: var(--space-8);
  box-shadow: 0 4px 24px -4px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--gray-200);
}

.gantt-card .gantt {
  max-width: none;
}

/* Phase labels row (Pre-Construction / 6-Month Guarantee) */
.gantt__phases {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  margin-bottom: var(--space-3);
}

.gantt__phase-label {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-500);
  padding: var(--space-1) 0;
  border-bottom: 2px solid var(--gray-300);
}

.gantt__phase-label--gold {
  color: var(--gold-600);
  border-bottom-color: var(--gold-400);
}

@media (max-width: 639px) {
  .gantt__phase-label {
    font-size: 10px;
    padding: 2px 0;
  }
}

/* ── Animations ──────────────────────────────────────────────────────────── */

/* Desktop: directional reveal — odd from left, even from right */
@media (min-width: 1024px) {
  .process-step-split.reveal {
    opacity: 0;
    transform: translateX(-40px);
    transition:
      opacity 0.6s var(--ease-expo-out),
      transform 0.6s var(--ease-expo-out);
  }

  .process-step-split:nth-child(even).reveal {
    transform: translateX(40px);
  }

  .process-step-split.reveal.is-visible {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Mobile: fade-up (inherit default .reveal behavior) */
@media (max-width: 1023px) {
  .process-step-split.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity 0.5s var(--ease-expo-out),
      transform 0.5s var(--ease-expo-out);
  }

  .process-step-split.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Number pop on reveal */
.process-step-split.is-visible .process-detailed__number {
  animation: number-pop 0.4s var(--ease-expo-out) 0.2s both;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .process-step-split.reveal {
    transform: none;
    transition: opacity 0.3s ease;
  }

  .process-step-split__image img:hover {
    transform: none;
  }

  .process-step-split.is-visible .process-detailed__number {
    animation: none;
    opacity: 1;
  }
}

/* ── Misc Page Styles ────────────────────────────────────────────────────── */

.hiw-disclaimer {
  color: var(--gray-600);
}

.hiw-cta-label {
  color: var(--gray-400);
  margin-bottom: var(--space-3);
}

.hiw-cta-heading {
  color: var(--white);
  margin-bottom: var(--space-6);
}