:root {
  /* colors used in several places in the getting started section to identify datatypes
       obtained from https://colorbrewer2.org/#type=qualitative&scheme=Paired&n=12
    */

  --mri: #a6cee3;
  --pet: #1f78b4;
  --micr: #33a02c;
  --meeg: #6a3d9a;
  --beh: #fb9a99;
  --nirs: #b2df8a;
  --motion: #e31a1c;
  --mrs: #fdbf6f;
  --unused2: #ff7f00;
  --unused3: #cab2d6;
  --unused4: #ffff99;
  --unused5: #b15928;
  --key: #e41a1c;
  --label: #377eb8;
  --suffix: #4daf4a;
  --ext: #984ea3;
  --underscore: #ff7f00;

  --bids-brand: #1f7293;
  --bids-accent: #6b9aaa;
  --bids-stats-bg: #1f8193fb;
  --white: #ffffff;

  /* Material Design variable overrides (keep so top tabs/header use brand) */
  --md-primary-fg-color: #1f7293;
  --md-primary-fg-color--light: #1f7293;
  --md-primary-fg-color--dark: #1f7293;
  --md-accent-fg-color: #1f7293;
  --md-accent-fg-color--transparent: rgba(212, 123, 138, 0.1);
  --md-default-fg-color: #111;
  --content-max: 1200px;
}

/* Basic */
p {
  text-align: justify;
}

/* iframe helper */
.iframe-container {
  position: relative;
  width: 90%;
  margin: 0 5%;
  padding-bottom: 56.25%;
  height: 0;
}
.iframe-container > iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ======= HERO - content + responsive logo ======= */

.mdx-container {
  padding-top: 1rem;
  background: transparent;
  position: relative;
  overflow: visible;
  min-height: 150px;
}

.mdx-container:first-of-type {
  background: linear-gradient(to bottom, var(--bids-brand), transparent 99%);
  overflow: hidden; /* clip logo to container bounds */
}

.mdx-hero {
  margin-top: 4rem;
  margin-right: 0.5rem;
  margin-left: 0.5rem;
  color: var(--white);
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  min-height: 150px;
  padding-bottom: clamp(3rem, 6vw, 6rem); /* space to features */
  overflow: hidden; /* keep logo clipped to hero */
}

.mdx-hero__logo-bg {
  position: absolute;
  top: 0;
  height: 100%; /* always as tall as hero */
  left: 50%;
  transform: translateX(-50%);
  z-index: 0; /* behind the hero content */
  pointer-events: none;
  width: min(100%, var(--content-max));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}

/* SVG/logo image: fill the wrapper while maintaining aspect ratio */
.mdx-hero__logo-bg img {
  width: 100%;
  height: 100%;
  opacity: 0.2; /* subtle background watermark */
  object-fit: contain; /* keeps aspect ratio, fits within container */
  object-position: center left;
  pointer-events: none;
  display: block;
  filter: saturate(0.95);
}

/* Small screens: keep the logo large relative to the content column but allow it to overflow a bit to the left
   so it doesn't occlude the text while preserving the same width relationship with the features section. */
@media (max-width: 44.9375em) {
  .mdx-hero__logo-bg {
    /* on small screens, content width is basically 100% - keep full width */
    width: 100%;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    /* allow a little extra vertical breathing room */
    height: 120%;
  }
  .mdx-hero__logo-bg img {
    opacity: 0.12;
    max-height: none;
    object-position: left center;
  }
}

/* Mid / tablet screens slight tweaks */
@media (min-width: 60em) and (max-width: 76.24em) {
  .mdx-hero__logo-bg {
    /* match the same max content width, but allow it to exceed slightly to create the "off to the side" feel */
    width: min(100%, var(--content-max));
    right: auto;
    left: 50%;
    transform: translateX(-50%);
  }
  .mdx-hero__logo-bg img {
    opacity: 0.14;
  }
}

/* Desktop: keep logo the same width as the content column but subtle and slightly shifted left/right by adjusting object-position */
@media (min-width: 76.25em) {
  .mdx-hero__logo-bg {
    width: min(100%, var(--content-max));
    left: 50%;
    transform: translateX(-50%);
  }
  .mdx-hero__logo-bg img {
    opacity: 0.1;
    max-height: none;
    object-position: center left;
  }
}

/* Hero content area */
.mdx-hero__content {
  position: relative;
  z-index: 3;
  max-width: 600px;
  padding-left: 0;
  margin-left: 0;
}

/* Hero text - stable sizes to avoid 'stretched' look */
.mdx-hero__content h1 {
  margin-bottom: 1rem;
  font-weight: 700;
  font-size: 2.5rem;
  line-height: 1.2;
  color: inherit;
}
.mdx-hero__content p {
  margin-bottom: 2rem;
  font-size: 1.125rem;
  opacity: 0.95;
  color: rgba(255, 255, 255, 0.95);
}

/* Buttons */
.mdx-hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.mdx-hero__actions .md-button {
  margin-bottom: 0.5rem;
}
.md-button--primary {
  background-color: var(--bids-brand) !important;
  border-color: var(--white) !important;
  color: var(--white) !important;
  font-weight: 500;
}
.md-button--primary:hover {
  background-color: var(--bids-accent) !important;
  transform: translateY(-1px);
}

/* Ensure header/tabs use brand */
.md-header {
  background-color: var(--bids-brand) !important;
  color: var(--white) !important;
}
.md-header a {
  color: var(--white) !important;
}

/* Features & cards (kept equal-height) */
.mdx-features-section {
  margin-bottom: 2rem;
}
.mdx-features-headline {
  text-align: center;
  margin: 0 0 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.mdx-features-headline h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--md-default-fg-color);
  line-height: 1.2;
}

.mdx-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 2rem;
  align-items: stretch;
}
.mdx-feature {
  display: flex;
  margin-right: 0.5rem;
  margin-left: 0.5rem;
}

.mdx-feature__item {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  padding: clamp(1rem, 2vw, 2rem);
  background: var(--bids-brand);
  color: var(--white);
  border-radius: 0.5rem;
  box-shadow: var(--md-shadow-z1);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  flex: 1 1 auto;
  min-height: 220px;
  height: auto;
  overflow: visible;
}
.mdx-feature__item:hover {
  transform: translateY(-0.25rem);
  box-shadow: var(--md-shadow-z2);
}

.mdx-feature__icon {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  flex: 0 0 auto;
}
.mdx-feature__icon svg {
  width: 100%;
  height: 100%;
  fill: var(--white);
}

.mdx-feature__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  flex: 1 1 auto;
}
.mdx-feature__content h2 {
  margin: 0 0 0.75rem;
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.15;
  color: var(--white);
}
.mdx-feature__content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  line-height: 1.35;
  word-break: break-word;
  overflow-wrap: anywhere;
  -webkit-hyphens: auto;
  -ms-hyphens: auto;
  hyphens: auto;
}

/* Stats */
.mdx-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 2rem;
  margin: 8rem 0 2rem;
  text-align: center;
}
.mdx-stats__item {
  background: var(--bids-stats-bg);
  color: var(--white);
  padding: 2rem;
  border-radius: 0.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 150px;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-right: 0.5rem;
  margin-left: 0.5rem;
}
.mdx-stats__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  background: var(--bids-accent);
}
.mdx-stats__number {
  font-weight: 700;
  font-size: 2rem;
  line-height: 1.2;
  color: var(--white) !important;
  word-break: keep-all;
}
.mdx-stats__label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  word-break: keep-all;
}

/* Sponsors */
.mdx-sponsors {
  background: var(--bids-brand);
  padding: 0.5rem 0 3rem;
}
.mdx-sponsors__content {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.mdx-sponsors__content h2 {
  margin-bottom: 2rem;
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  color: var(--white);
}
.mdx-sponsors__grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.mdx-sponsors__item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--white);
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  width: 200px;
  height: 120px;
  border: 1px solid #eee;
}
.mdx-sponsors__item img {
  max-width: 180px;
  max-height: 80px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.7);
  transition: filter 0.3s;
}
.mdx-sponsors__item:hover img {
  filter: none;
  opacity: 1;
}
.mdx-sponsors__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* Responsive adjustments grouped */
@media (max-width: 44.9375em) {
  .mdx-hero h1 {
    font-size: 2rem;
  }
  .mdx-hero__actions .md-button {
    width: 100%;
  }
  .mdx-features {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .mdx-features-headline h2 {
    font-size: 2rem;
  }
  .mdx-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: 4rem 0 1rem;
  }
  .mdx-stats__item {
    min-height: 120px;
  }
  .mdx-sponsors {
    padding: 3rem 0;
  }
  .mdx-sponsors__grid {
    gap: 1.5rem;
  }
  .mdx-sponsors__item {
    height: 100px;
    width: auto;
  }
  .mdx-sponsors__item img {
    max-width: 140px;
    max-height: 60px;
  }
}

/* Minimal theme overrides left as !important where required */
.md-button--primary {
  background-color: var(--bids-brand) !important;
  border-color: var(--white) !important;
  color: var(--white) !important;
}