:root {
  --color-primary: #e0e0e0;
  --color-secondary: #bdbdbd;
  --color-primary-rgb: 224 224 224;
  --color-secondary-rgb: 189 189 189;
  --color-text: #222222;
  --color-text-rgb: 34 34 34;
  --color-background: #fafafa;
  --color-muted: #f5f5f5;
  --color-btn-hover-1: #bdbdbd;
  --color-white: #ffffff;
  --color-black: #000000;

  --font-primary: system-ui, sans-serif;
  --font-secondary: system-ui, sans-serif;

  --display-1-size: clamp(2.5rem, 6vw, 4rem);
  --display-1-line: 1.1;
  --display-2-size: clamp(2rem, 5vw, 3rem);
  --display-2-line: 1.15;
  --display-3-size: clamp(1.75rem, 4vw, 2.5rem);
  --display-3-line: 1.2;

  --h1-size: clamp(2rem, 4vw, 2.5rem);
  --h1-line: 1.2;
  --h2-size: clamp(1.75rem, 3vw, 2rem);
  --h2-line: 1.25;
  --h3-size: clamp(1.5rem, 2.5vw, 1.75rem);
  --h3-line: 1.3;
  --h4-size: 1.25rem;
  --h4-line: 1.35;
  --h5-size: 1.125rem;
  --h5-line: 1.4;
  --h6-size: 1rem;
  --h6-line: 1.4;

  --body-size: 1rem;
  --body-line: 1.6;
  --small-size: 0.875rem;
  --small-line: 1.2;
  --xs-size: 0.75rem;
  --xs-line: 1.1;
}

* {
  letter-spacing: -0.02em;
}

/* TK Button Styles */
.lab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 22rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-secondary);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1;
  text-align: center;
  min-height: 2.9375rem;
  border: 1px solid transparent;
  transition: 0.3s ease-out;
  width: max-content;
}

.lab-btn-primary {
  color: var(--color-white);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0px 8px 12px -4px #2b7fff33;
  text-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

.lab-btn-white {
  color: var(--color-text);
  background-color: var(--color-white);
  border-color: var(--color-white);
  text-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

.lab-btn-transparent {
  color: var(--color-white);
  background-color: transparent;
  border-color: var(--color-white);
}

.lab-btn-dark {
  color: var(--color-white);
  background-color: var(--color-text);
  border-color: var(--color-text);
}

.lab-btn-primary:hover,
.lab-btn-white:hover,
.lab-btn-transparent:hover,
.lab-btn-dark:hover {
  color: var(--color-white);
  background-color: var(--color-btn-hover-1);
  border-color: var(--color-btn-hover-1);
}

.lab-btn-arrow {
  padding-right: 3.25rem;
  position: relative;
}

.lab-btn-download {
  position: relative;
  --btn-download-bg: transparent;
  --btn-download-color: var(--color-text);
}

.lab-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  position: absolute;
  top: 0.25rem;
  right: 0.375rem;
  border-radius: 9999px;
  background-color: var(--btn-arrow-bg, transparent);
  border: 1px solid var(--btn-arrow-border, var(--color-white));
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.lab-btn__download {
  position: absolute;
  top: 0;
  right: calc(0rem - 2.9375rem - 0.625rem);
  width: 2.9375rem;
  height: 2.9375rem;
  border-radius: 50%;
  background-color: var(--btn-download-bg);
  color: var(--btn-download-color);
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.lab-btn__download svg {
  width: 2.9375rem;
  height: 2.9375rem;
}

.lab-btn__download svg,
.lab-btn__download svg * {
  transition: color 0.2s ease;
}

.lab-btn__icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--btn-arrow-color, var(--color-white));
  transition:
    transform 0.2s ease,
    color 0.2s ease;
}

.lab-btn-transparent.lab-btn-arrow {
  --btn-arrow-bg: transparent;
  --btn-arrow-border: var(--color-white);
  --btn-arrow-color: var(--color-white);
}

.lab-btn-dark.lab-btn-arrow {
  --btn-arrow-bg: var(--color-white);
  --btn-arrow-border: var(--color-white);
  --btn-arrow-color: var(--color-text);
}

.lab-btn-arrow:hover .lab-btn__icon svg {
  transform: rotate(45deg);
}

.lab-btn-transparent.lab-btn-arrow:hover {
  --btn-arrow-bg: var(--color-white);
  --btn-arrow-border: var(--color-white);
  --btn-arrow-color: var(--color-btn-hover-1);
}

.lab-btn-dark.lab-btn-arrow:hover {
  --btn-arrow-bg: var(--color-white);
  --btn-arrow-border: var(--color-white);
  --btn-arrow-color: var(--color-text);
}

.lab-btn-download:hover {
  --btn-download-bg: var(--color-btn-hover-1);
  --btn-download-color: var(--color-white);
}

.lab-btn-download:hover .lab-btn__download svg rect {
  stroke: var(--color-btn-hover-1);
}

.lab-btn:hover {
  opacity: 0.9;
}

.lab-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.lab-tags-swiper .swiper-wrapper {
  transition-timing-function: linear;
}

.lab-tags-swiper .swiper-slide {
  width: auto;
}

/* Scroll stack section */
.lab-section-scroll {
  position: relative;
}

.lab-stack-left {
  position: relative;
  align-self: flex-start;
}

@media (min-width: 1024px) {
  .lab-stack-left {
    position: sticky;
    top: 6rem;
  }
}

.lab-card-stack {
  --stack-gap: 1.25rem;
  position: relative;
  list-style: none;
  padding: 0;
  margin: 0;
}

.lab-card-stack .lab-card {
  position: relative;
  transform-origin: center top;
  will-change: transform;
}

@media (min-width: 1024px) {
  .lab-card-stack .lab-card {
    position: sticky;
    top: 6rem;
  }
}

/* Typography / Prose Styles */
.lab-prose h1 {
  font-size: var(--h1-size);
  line-height: var(--h1-line);
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-black);
}

.lab-prose h2 {
  font-size: var(--h2-size);
  line-height: var(--h2-line);
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-black);
}

.lab-prose h3 {
  font-size: var(--h3-size);
  line-height: var(--h3-line);
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-black);
}

.lab-prose p {
  margin-bottom: 1.25rem;
  line-height: 1.7;
  color: var(--color-text);
}

.lab-prose ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.lab-prose ol {
  list-style-type: decimal;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.lab-prose li {
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
}

.lab-prose a {
  color: #003056; /* Coppin Blue */
  text-decoration: underline;
  text-underline-offset: 2px;
}

.lab-prose a:hover {
  text-decoration: none;
}

.lab-prose blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
  margin-left: 0;
  margin-right: 0;
  font-style: italic;
  color: #555;
}


main{
    min-height:calc(100vh - 70px - 80px)
}