/* ============================================
   ATT — Timeline Block
   ============================================ */

.att-timeline {
  --att-navy: #00053e;
  --att-orange: #f57f29;
  --att-cream: #f5f0eb;
  --att-body: #666666;
  --att-body-soft: rgba(255, 255, 255, 0.78);

  padding: clamp(64px, 7vw, 96px) 0;
}

.att-timeline--bg-white {
  background-color: #ffffff;
}
.att-timeline--bg-cream {
  background-color: var(--att-cream);
}
.att-timeline--bg-navy {
  background-color: var(--att-navy);
}

.att-timeline__container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 15px;
}

@media (min-width: 992px) {
  .att-timeline__container {
    padding-inline: 30px;
  }
}

/* --- Intro ---------------------------------- */
.att-timeline__intro {
  margin-bottom: clamp(40px, 6vw, 64px);
}

.att-timeline__eyebrow {
  color: var(--att-orange);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.att-timeline__heading {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  font-weight: 600;
  max-width: 14ch;
  margin: 0 0 20px;
}

.att-timeline--bg-white .att-timeline__heading,
.att-timeline--bg-cream .att-timeline__heading {
  color: var(--att-navy);
}

.att-timeline--bg-navy .att-timeline__heading {
  color: #ffffff;
}

.att-timeline__rule {
  width: 64px;
  height: 3px;
  background: var(--att-orange);
  border-radius: 2px;
}

/* --- Timeline list -------------------------- */
.att-timeline__list {
  display: flex;
  flex-direction: column;
  counter-reset: att-timeline-steps;
  padding: 0;
  margin: 0;
  list-style: none;
}

.att-timeline__step {
  position: relative;
}

/* --- Mobile (default) layout ---------------- */
.att-timeline__step-inner {
  display: grid;
  grid-template-columns: 56px 1fr;
  grid-template-areas:
    "marker visual"
    "marker content";
  column-gap: 20px;
  padding-bottom: 32px;
}

.att-timeline__step--last .att-timeline__step-inner {
  padding-bottom: 0;
}

.att-timeline__step-marker {
  grid-area: marker;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.att-timeline__step-visual {
  grid-area: visual;
  margin-bottom: 12px;
}

.att-timeline__step-content {
  grid-area: content;
}

/* --- Step marker (number + line) ----------- */
.att-timeline__step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--att-navy);
  border: 2px solid rgba(0, 5, 62, 0.12);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition:
    background-color 0.4s ease,
    color 0.4s ease,
    border-color 0.4s ease,
    transform 0.3s ease;
  flex-shrink: 0;
  z-index: 2;
}

.att-timeline--bg-navy .att-timeline__step-number {
  background: var(--att-cream);
  border-color: transparent;
}

.att-timeline__step-line {
  display: block;
  width: 2px;
  flex: 1;
  min-height: 60px;
  margin-top: 6px;
  background: rgba(0, 5, 62, 0.1);
  transition: background-color 0.4s ease;
}

.att-timeline--bg-navy .att-timeline__step-line {
  background: rgba(255, 255, 255, 0.18);
}

/* --- Active state (triggered via JS) -------- */
.att-timeline__step.is-active .att-timeline__step-number {
  background: var(--att-orange);
  color: #ffffff;
  border-color: var(--att-orange);
  transform: scale(1.05);
}

.att-timeline__step.is-active .att-timeline__step-line {
  background: var(--att-orange);
}

/* --- Step visual (icon) --------------------- */

.att-timeline__step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 20px;
  background: rgba(245, 127, 41, 0.12);
  padding: 18px;
  box-sizing: border-box;
  flex-shrink: 0;
  transition:
    transform 0.35s ease,
    opacity 0.35s ease;
}

/* Navy variant: white tile */
.att-timeline--bg-navy .att-timeline__step-icon {
  background: #ffffff;
}

/* Icon colour — light variants: navy */
.att-timeline--bg-white .att-timeline__step-icon svg,
.att-timeline--bg-white .att-timeline__step-icon svg path,
.att-timeline--bg-cream .att-timeline__step-icon svg,
.att-timeline--bg-cream .att-timeline__step-icon svg path {
  fill: var(--att-navy);
}

/* Icon colour — navy variant: orange */
.att-timeline--bg-navy .att-timeline__step-icon svg,
.att-timeline--bg-navy .att-timeline__step-icon svg path {
  fill: var(--att-orange);
}

/* Uploaded image icons (fallback) */
.att-timeline__step-icon img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}

/* Ensure SVG scales to container */
.att-timeline__step-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.att-timeline__step:not(.is-active) .att-timeline__step-icon {
  opacity: 0.72;
  transform: translateY(6px) scale(0.96);
}

/* --- Step content --------------------------- */
.att-timeline__step-title {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 10px;
}

.att-timeline--bg-white .att-timeline__step-title,
.att-timeline--bg-cream .att-timeline__step-title {
  color: var(--att-navy);
}

.att-timeline--bg-navy .att-timeline__step-title {
  color: #ffffff;
}

.att-timeline__step-detail {
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 48ch;
  margin: 0;
}

.att-timeline--bg-white .att-timeline__step-detail,
.att-timeline--bg-cream .att-timeline__step-detail {
  color: var(--att-body);
}

.att-timeline--bg-navy .att-timeline__step-detail {
  color: var(--att-body-soft);
}

/* --- Desktop alternating layout ------------- */
@media (min-width: 992px) {
  .att-timeline__step-icon {
    width: 110px;
    height: 110px;
    border-radius: 24px;
    padding: 22px;
  }

  .att-timeline__step-inner {
    grid-template-columns: 1fr 64px 1fr;
    grid-template-areas: "left marker right";
    column-gap: 40px;
    align-items: center;
    padding-bottom: 40px;
  }

  /* Even (0-indexed): visual on left, content on right */
  .att-timeline__step--even .att-timeline__step-visual {
    grid-area: left;
    justify-self: end;
    margin-bottom: 0;
  }

  .att-timeline__step--even .att-timeline__step-content {
    grid-area: right;
    justify-self: start;
    text-align: left;
  }

  /* Odd: content on left, visual on right */
  .att-timeline__step--odd .att-timeline__step-content {
    grid-area: left;
    justify-self: end;
    text-align: right;
  }

  .att-timeline__step--odd .att-timeline__step-visual {
    grid-area: right;
    justify-self: start;
    margin-bottom: 0;
  }

  .att-timeline__step-marker {
    grid-area: marker;
    align-self: stretch;
  }

  .att-timeline__step-number {
    width: 52px;
    height: 52px;
    font-size: 1rem;
  }

  .att-timeline__step-line {
    min-height: 120px;
  }

  .att-timeline__step-visual {
    display: flex;
  }

  .att-timeline__step--odd .att-timeline__step-detail {
    margin-left: auto;
  }
}

/* --- Reduced motion ------------------------- */
@media (prefers-reduced-motion: reduce) {
  .att-timeline *,
  .att-timeline *::before,
  .att-timeline *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .att-timeline__step:not(.is-active) .att-timeline__step-icon {
    opacity: 1;
    transform: none;
  }
}