/* ===== Timeline (brand-aligned) ===== */

/* Wrapper */
.timeline {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 0;
}

/* Vertical line */
.timeline::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: rgba(31, 58, 147, .15);
  /* subtle navy tint */
  transform: translateX(-1px);
}

/* Item container (scoped to avoid global .container conflicts) */
.timeline .container {
  position: relative;
  width: 50%;
  padding: 0 1.25rem 1.75rem;
  background: transparent;
}

/* Dots on the line */
.timeline .container::after {
  content: "";
  position: absolute;
  top: 14px;
  width: 18px;
  height: 18px;
  background: var(--color-base);
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
  z-index: 2;
  right: -10px;
  /* default for .left */
}

/* Left / Right positioning */
.left {
  left: 0;
}

.right {
  left: 50%;
}

.right::after {
  left: -10px;
  right: auto;
}

/* Arrow pointers (match card background) */
.left::before,
.right::before {
  content: "";
  position: absolute;
  top: 20px;
  width: 0;
  height: 0;
  z-index: 1;
  border: 10px solid transparent;
}

.left::before {
  right: 30px;
  border-left-color: var(--color-base);
}

.right::before {
  left: 30px;
  border-right-color: var(--color-base);
}

/* Card */
.content {
  position: relative;
  padding: 1rem 1.25rem;
  background: var(--color-base);
  color: var(--color-ink);
  border: 1px solid rgba(31, 58, 147, .06);
  border-radius: var(--radius-md, 10px);
  box-shadow: var(--shadow-soft, 0 2px 8px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04));
}

.content h3 {
  margin: 0 0 .25rem;
  font-weight: 600;
}

.content p {
  margin: .25rem 0 0;
  color: var(--color-ink);
}

.content .muted {
  color: var(--color-muted);
}

/* ===== Responsive ===== */
@media (max-width: 700px) {
  .timeline::after {
    left: 24px;
  }

  .timeline .container {
    width: 100%;
    padding-left: 56px;
    padding-right: 16px;
  }

  /* Make all items behave like left side */
  .right {
    left: 0;
  }

  .timeline .container::after {
    left: 15px;
    right: auto;
  }

  .left::before,
  .right::before {
    left: 40px;
    right: auto;
    border: 10px solid transparent;
    border-right-color: var(--color-base);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .content {
    box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
  }
}

/* Keep the dot on top */
.timeline .container::after {
  z-index: 4;
}

/* Put the triangle below the card and center it vertically */
.left::before,
.right::before {
  z-index: 1;
  /* below the card */
  top: 50%;
  transform: translateY(-50%);
}

/* Ensure the card sits above the arrow */
.content {
  position: relative;
  z-index: 2;
}

/* Add a little extra padding on the arrow side so text/year clears it */
.left .content {
  padding-right: 1.75rem;
}

.right .content {
  padding-left: 1.75rem;
}

/* Smooth jump (where supported) */
html {
  scroll-behavior: smooth;
}

/* Space below the last card */
.timeline {
  padding-bottom: 2rem;
}

/* Ensure the anchor scrolls clear of the sticky navbar */
.timeline-end {
  height: 1px;
  scroll-margin-top: 80px;
  /* match your navbar height */
}

/* Bottom scroll progress (top = 100%, bottom = 0%) */
.scroll-progress {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: var(--color-key, #EDEAE3);
  z-index: 9999;
  pointer-events: none;
  /* don't block clicks at the bottom */
}

.scroll-progress__bar {
  height: 100%;
  background: var(--color-accent, #1F3A93);
  transform-origin: left center;
  transform: scaleX(1);
  /* full at page top */
  transition: transform .1s linear;
}

/* optional: give content a hair of breathing room above the bar */
body {
  padding-bottom: 8px;
}

/* Certificates block */
.certificates {
  margin-top: 1rem;
}

.certificates-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
  /* adjust to match your accent color */
}

/* Row of icons */
.certificate-icons {
  display: flex;
  gap: var(--timeline-cert-gap, 50px);
}

/* Single icon */
.certificate-icon {
  position: relative;
  /* needed for tooltip */
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.certificate-icon img {
  width: 50px;
  height: 50px;
  opacity: 0.75;
  transition: opacity 0.2s ease;
}

.certificate-icon img:hover {
  opacity: 1;
}

/* Tooltip styling (adapted from your logo-item) */
.certificate-icon::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%) translateY(4px);
  background: var(--color-accent);
  color: var(--color-base);
  font-size: var(--tooltip-font-size, 0.8rem);
  line-height: 1.2;
  padding: var(--tooltip-padding, 0.35rem 0.6rem);
  border-radius: var(--radius-sm, 6px);
  white-space: nowrap;
  box-shadow: var(--shadow-tooltip, 0 4px 10px rgba(0, 0, 0, .1));
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s ease, transform .15s ease;
  z-index: 200;
  white-space: normal;
  /* allow text to wrap */
  max-width: min(80vw, 720px);
  /* let the tooltip grow wider to reduce line breaks, but cap on small screens */
  min-width: 220px;
  /* keep a reasonable floor so short tooltips don’t collapse */
  text-align: center;
  /* make multi-line tooltips look neat */
  word-wrap: break-word;
  /* break long words if needed */
}

/* Show tooltip on hover */
.certificate-icon:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Timeline Lists ===== */
.content ul {
  margin: 0.5rem 0 0.75rem 1.25rem; /* top/right/bottom/left */
  padding-left: 1rem;               /* extra indentation */
  font-size: 0.9rem;                 /* slightly smaller than paragraphs */
  color: var(--color-ink);
}

.content li {
  margin-bottom: 0.35rem;            /* tighter line spacing */
  line-height: 1.4;
}