/* Drone CE Process — scoped under .dce-process-root */

.dce-process-root {
  --dce-accent: #e31b23;
  --dce-black: #111111;
  --dce-muted: #555555;
  --dce-white: #ffffff;
  --dce-line: #c8c8c8;
  --dce-radius: 14px;
  --dce-icon-size: 52px;
  --dce-icon-inner: 26px;
  --dce-circle-size: 36px;
  --dce-gap: 16px;
  --dce-max-width: none;
  --dce-preview-padding-y: 48px;
  --dce-preview-padding-x: 40px;
  --dce-title-size: 1.05rem;
  --dce-desc-size: 0.875rem;
  --dce-fade-distance: 1.25rem;
  --dce-fade-duration: 0.55s;
  --dce-fade-stagger: 0.1s;

  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--dce-black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

.dce-process-root *,
.dce-process-root *::before,
.dce-process-root *::after {
  box-sizing: border-box;
}

.dce-process-root h3,
.dce-process-root p {
  margin: 0;
  padding: 0;
}

.dce-process-root img {
  display: block;
  max-width: 100%;
  border: 0;
}

.dce-process-root.dce-process-preview {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: var(--dce-preview-padding-y) var(--dce-preview-padding-x);
  background: transparent;
}

.dce-process-root:not(.dce-process-preview) {
  width: 100%;
  max-width: 100%;
  background: transparent;
}

.dce-process-root .dce-process-inner {
  width: 100%;
  max-width: var(--dce-max-width);
}

.dce-process-root.dce-process-preview .dce-process-inner {
  --dce-max-width: 1280px;
}

/* ── Grid ── */
.dce-process-root .dce-process-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--dce-gap);
  width: 100%;
}

.dce-process-root .dce-process-grid::before {
  content: "";
  position: absolute;
  top: calc(var(--dce-circle-size) / 2);
  left: calc(10% + var(--dce-circle-size) / 2);
  right: calc(10% + var(--dce-circle-size) / 2);
  height: 0;
  border-top: 1px dashed var(--dce-line);
  pointer-events: none;
  z-index: 0;
}

/* ── Step card ── */
.dce-process-root .dce-process-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  min-width: 0;
  text-align: center;
  opacity: 0;
  transform: translateY(var(--dce-fade-distance));
  transition:
    opacity var(--dce-fade-duration) ease,
    transform var(--dce-fade-duration) ease;
  transition-delay: var(--dce-fade-delay, 0s);
  will-change: opacity, transform;
}

.dce-process-root .dce-process-step.dce-process-step--visible {
  opacity: 1;
  transform: translateY(0);
}

.dce-process-root .dce-process-step:nth-child(1) { --dce-fade-delay: calc(var(--dce-fade-stagger) * 0); }
.dce-process-root .dce-process-step:nth-child(2) { --dce-fade-delay: calc(var(--dce-fade-stagger) * 1); }
.dce-process-root .dce-process-step:nth-child(3) { --dce-fade-delay: calc(var(--dce-fade-stagger) * 2); }
.dce-process-root .dce-process-step:nth-child(4) { --dce-fade-delay: calc(var(--dce-fade-stagger) * 3); }
.dce-process-root .dce-process-step:nth-child(5) { --dce-fade-delay: calc(var(--dce-fade-stagger) * 4); }

@media (prefers-reduced-motion: reduce) {
  .dce-process-root .dce-process-step {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Timeline row ── */
.dce-process-root .dce-process-step__timeline {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-bottom: 18px;
  z-index: 1;
}

.dce-process-root .dce-process-step__circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--dce-circle-size);
  height: var(--dce-circle-size);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--dce-accent);
  background: var(--dce-white);
  border: 2px solid var(--dce-accent);
  border-radius: 50%;
}

.dce-process-root .dce-process-step__circle--black {
  color: var(--dce-white);
  background: var(--dce-black);
  border-color: var(--dce-black);
}

.dce-process-root .dce-process-step__arrow {
  position: absolute;
  top: 50%;
  right: calc(-1 * var(--dce-gap) / 2 - 6px);
  transform: translate(50%, -50%);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--dce-accent);
  letter-spacing: -0.08em;
  z-index: 2;
}

.dce-process-root .dce-process-step:last-child .dce-process-step__arrow {
  display: none;
}

/* ── Media + icon badge ── */
.dce-process-root .dce-process-step__media-wrap {
  position: relative;
  width: 100%;
  margin-bottom: 22px;
}

.dce-process-root .dce-process-step__media {
  overflow: hidden;
  border-radius: var(--dce-radius);
  aspect-ratio: 1 / 1;
}

.dce-process-root .dce-process-step__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.dce-process-root .dce-process-step__icon {
  position: absolute;
  bottom: 0;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--dce-icon-size);
  height: var(--dce-icon-size);
  background: var(--dce-white);
  border: 1px solid #e5e5e5;
  border-radius: 50%;
  transform: translate(-50%, 50%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.dce-process-root .dce-process-step__icon img {
  width: var(--dce-icon-inner);
  height: var(--dce-icon-inner);
  object-fit: contain;
}

.dce-process-root .dce-process-step__icon:not(.dce-process-step__icon--black) img {
  filter: brightness(0) saturate(100%) invert(17%) sepia(95%) saturate(5452%) hue-rotate(349deg) brightness(93%) contrast(92%);
}

.dce-process-root .dce-process-step__icon--black img {
  filter: brightness(0);
}

/* ── Text ── */
.dce-process-root .dce-process-step__title {
  margin-top: calc(var(--dce-icon-size) / 2 + 4px);
  font-size: var(--dce-title-size);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.03em;
  color: var(--dce-black);
  word-break: keep-all;
}

.dce-process-root .dce-process-step__desc {
  margin-top: 10px;
  font-size: var(--dce-desc-size);
  font-weight: 400;
  line-height: 1.65;
  color: var(--dce-muted);
  word-break: keep-all;
}

/* ── Tablet ── */
@media (max-width: 1100px) {
  .dce-process-root {
    --dce-preview-padding-x: 28px;
    --dce-title-size: 1rem;
    --dce-desc-size: 0.8125rem;
    --dce-icon-size: 46px;
    --dce-icon-inner: 22px;
  }

  .dce-process-root .dce-process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 20px;
  }

  .dce-process-root .dce-process-grid::before {
    display: none;
  }

  .dce-process-root .dce-process-step__arrow {
    display: none;
  }
}

/* ── Mobile ── */
@media (max-width: 680px) {
  .dce-process-root {
    --dce-preview-padding-y: 32px;
    --dce-preview-padding-x: 20px;
    --dce-title-size: 1.05rem;
    --dce-desc-size: 0.875rem;
  }

  .dce-process-root .dce-process-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
    width: 100%;
    max-width: none;
    margin: 0;
  }

  .dce-process-root.dce-process-preview .dce-process-grid {
    max-width: 360px;
    margin: 0 auto;
  }

  .dce-process-root .dce-process-step__media {
    aspect-ratio: 4 / 3;
  }

  .dce-process-root .dce-process-step__timeline {
    margin-bottom: 14px;
  }
}