/* ── Custom brand palette ── */
[data-md-color-primary="custom"] {
  --md-primary-fg-color:        #0d1e35;
  --md-primary-fg-color--light: #1a3468;
  --md-primary-fg-color--dark:  #07111f;
  --md-primary-bg-color:        #fff;
  --md-primary-bg-color--light: hsla(0, 0%, 100%, .7);
}

[data-md-color-accent="custom"] {
  --md-accent-fg-color:              #e86745;
  --md-accent-fg-color--transparent: rgba(232, 103, 69, .1);
  --md-accent-bg-color:              #fff;
  --md-accent-bg-color--light:       hsla(0, 0%, 100%, .7);
  /* Without this, links fall back to the primary color (dark navy) */
  --md-typeset-a-color:              #e86745;
}

/* ── Dark mode contrast: buttons and links ──
   .md-button text uses --md-primary-fg-color (#0d1e35), which is
   invisible on dark card backgrounds. Switch to the default fg instead. */
[data-md-color-scheme="slate"] .md-button:not(.md-button--primary) {
  color: var(--md-default-fg-color);
  border-color: var(--md-default-fg-color--light);
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
}

.hero-logo {
  display: block;
  width: 88px;
  height: 88px;
  margin: 0 auto 1.75rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -.025em;
  margin: 0 0 .5rem;
  border: none;
}

.hero p {
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto .9rem;
  line-height: 1.75;
}

.hero .md-button {
  margin: .75rem .4rem 0;
  font-size: 1rem;
  padding: .65em 1.65em;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2.2rem; }

  .hero .md-button {
    display: block;
    margin: .5rem auto 0;
    max-width: 16rem;
  }
}

/* ── Card background images ──
   Gradient + image stacked as a single background-image value so no
   pseudo-element or z-index juggling is needed.
   CSS custom-property overrides cascade into all child elements,
   turning text, icons, and the hr white without needing !important. */

.demo-cards > ul > li,
.building-blocks-cards > ul > li {
  background-size: cover;
  background-position: center;
  min-height: 180px;
  --md-default-fg-color:          rgba(255, 255, 255, .87);
  --md-default-fg-color--light:   rgba(255, 255, 255, .54);
  --md-default-fg-color--lighter: rgba(255, 255, 255, .32);
  --md-typeset-a-color:           rgba(255, 255, 255, .9);
  color: rgba(255, 255, 255, .87);
}

.demo-cards > ul > li hr,
.building-blocks-cards > ul > li hr {
  border-color: rgba(255, 255, 255, .25);
}

.demo-cards > ul > li .md-button,
.building-blocks-cards > ul > li .md-button {
  color: rgba(255, 255, 255, .9);
  border-color: rgba(255, 255, 255, .5);
}

.demo-cards > ul > li .md-button:hover,
.building-blocks-cards > ul > li .md-button:hover {
  background: rgba(255, 255, 255, .15);
  border-color: rgba(255, 255, 255, .8);
  color: #fff;
}

.demo-cards > ul > li:nth-child(1) {
  background-image:
    linear-gradient(rgba(0, 0, 0, .52), rgba(0, 0, 0, .52)),
    url(../assets/card-mrx_tool_demo.png);
}
.demo-cards > ul > li:nth-child(2) {
  background-image:
    linear-gradient(rgba(0, 0, 0, .52), rgba(0, 0, 0, .52)),
    url(../assets/card-phantomlib.png);
}
.demo-cards > ul > li:nth-child(3) {
  background-image:
    linear-gradient(rgba(0, 0, 0, .52), rgba(0, 0, 0, .52)),
    url(../assets/card-colab_demo.png);
}
.building-blocks-cards > ul > li:nth-child(1) {
  background-image:
    linear-gradient(rgba(0, 0, 0, .52), rgba(0, 0, 0, .52)),
    url(../assets/card-toolapi.jpg);
}
.building-blocks-cards > ul > li:nth-child(2) {
  background-image:
    linear-gradient(rgba(0, 0, 0, .52), rgba(0, 0, 0, .52)),
    url(../assets/card-tools.png);
}

/* ── Funding footnote ── */
.funding-note {
  color: var(--md-default-fg-color--light);
  font-size: .8rem;
  margin-top: 2.5rem;
  text-align: center;
}