/* ==========================================================================
   SECTION A - HOW IT WORKS TIMELINE STYLES
   ========================================================================== */

.workflow-section {
  position: relative;
  overflow: visible;
  padding: clamp(3.5rem, 2.5rem + 3.5vw, 6rem) var(--space-md);
  text-align: center;
  width: 100%;
  background: #fff;
}

.workflow-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.workflow-headline {
  margin-bottom: var(--space-sm);
  color: var(--color-black);
}

.workflow-desc {
  color: var(--navy-800);

}

/* Timeline grid */
.workflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  position: relative;
  width: 100%;
  z-index: 2;
}

@media (min-width: 576px) {
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 992px) {
  .workflow-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Process Timeline Card */
.workflow-card {
  display: flex;
  flex-direction: column;
  /* align-items: flex-start; */
  align-items: center;
  text-align: center;
  background: var(--inactive-card-bg);
  border: 1px solid var(--inactive-card-border);
  border-radius: 20px;
  padding: var(--space-lg);
  min-height: 230px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  /* clips hover radial spotlight */
  cursor: pointer;
  transition:
    transform 400ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 400ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 400ms cubic-bezier(0.16, 1, 0.3, 1);
  animation: shadow-breath-loop 11s ease-in-out infinite;
  will-change: transform, box-shadow, border-color;
}

body.light-theme .workflow-card {
  background: #FFFFFF;
}

/* Card hover elevations */
.workflow-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-xl);
  border-color: rgba(255, 255, 255, 0.15);
}

body.light-theme .workflow-card:hover {
  border-color: rgba(15, 23, 42, 0.12);
}

/* Step Number indicator */
.workflow-step-num {
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.25rem);
  /* ~16px -> 20px */
  font-weight: 700;
  color: #2563EB;
  /* Premium visual blue */
  margin-bottom: var(--space-md);
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1), text-shadow 400ms ease;
  transform-origin: left;
  display: inline-block;
  will-change: transform, text-shadow;
}

.workflow-card:hover .workflow-step-num {
  transform: scale(1.1);
  text-shadow: 0 0 12px rgba(37, 99, 235, 0.4);
}

.workflow-card-title {
  font-size: var(--font-body-large);
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.workflow-card-desc {
  font-size: var(--font-body);
  color: var(--color-black);
  line-height: 1.5;
}

/* Radial hover spotlight */
.workflow-card-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 300ms ease;
  z-index: 1;
  will-change: left, top, opacity;
}

.workflow-card:hover .workflow-card-glow {
  opacity: 1;
}

/* ==========================================================================
   WORKFLOW TIMELINE CONNECTOR (DESKTOP ONLY)
   ========================================================================== */

.workflow-connectors {
  position: absolute;
  top: 55px;
  /* centers horizontally with card top layouts */
  left: 0;
  width: 100%;
  height: 10px;
  z-index: 1;
  pointer-events: none;
  display: none;
}

@media (min-width: 992px) {
  .workflow-connectors {
    display: block;
  }
}

.workflow-connector-svg {
  width: 100%;
  height: 100%;
  color: rgba(255, 255, 255, 0.05);
  /* baseline path color */
}

body.light-theme .workflow-connector-svg {
  color: rgba(15, 23, 42, 0.05);
}

.connector-path {
  stroke: currentColor;
  stroke-width: 2;
  stroke-dasharray: 750;
  stroke-dashoffset: 750;
  opacity: 1;
  transition:
    stroke-dashoffset 2.5s ease-in-out,
    stroke 400ms ease,
    opacity 1000ms ease 2.7s;
  will-change: stroke-dashoffset, opacity;
}

.start-connector .connector-path {
  stroke-dashoffset: 0;
  stroke: rgba(37, 99, 235, 0.25);
}

body.light-theme .start-connector .connector-path {
  stroke: rgba(37, 99, 235, 0.18);
}

.start-connector.done-drawing .connector-path {
  opacity: 0.3;
  /* fades to very low opacity after reveal */
}

/* Glowing dot traveling path */
.connector-dot {
  opacity: 0;
  transition: opacity 200ms ease;
}

.start-connector .connector-dot {
  opacity: 1;
  animation: travel-timeline-dot 2.5s ease-in-out forwards;
}

@keyframes travel-timeline-dot {
  0% {
    cx: 12.5%;
  }

  100% {
    cx: 87.5%;
  }
}

/* Stagger sequential highlight flash as particle meets center */
.workflow-card.highlight-pulse {
  animation: card-flash-highlight 600ms cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes card-flash-highlight {
  0% {
    border-color: var(--inactive-card-border);
    box-shadow: var(--shadow-sm);
  }

  40% {
    border-color: #2563EB;
    box-shadow: 0 0 25px rgba(37, 99, 235, 0.35);
    transform: scale(1.02);
  }

  100% {
    border-color: var(--inactive-card-border);
    box-shadow: var(--shadow-sm);
    transform: scale(1);
  }
}

/* Soft ambient breathing loop */
@keyframes shadow-breath-loop {

  0%,
  100% {
    box-shadow: var(--shadow-sm);
  }

  50% {
    box-shadow: 0 8px 24px -8px var(--glass-shadow);
  }
}

@media (max-width: 767px) {
  .workflow-card {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {

  .workflow-card,
  .workflow-step-num,
  .connector-path,
  .connector-dot {
    transition: none !important;
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }

  .connector-path {
    stroke-dashoffset: 0 !important;
    opacity: 0.3 !important;
  }

  .connector-dot {
    display: none !important;
  }
}