/* intro v28 — Arc diagonal-split: clip split, floating rings, ransom-note words, grayscale hover, click burst */

/* Diagonal split zone */
.intro-arc2__split {
    clip-path: polygon(0 0, 100% 0, 100% 62%, 0 100%);
    opacity: 0.6;
}

/* Floating rings / donuts (fixed size — no BS w-N/h-N utility) */
.intro-arc2__ring { width: 10rem; height: 10rem; animation: intro-arc2-float 7s ease-in-out infinite; }
.intro-arc2__ring--2 { width: 6rem; height: 6rem; animation-duration: 9s; animation-delay: 1s; }
@keyframes intro-arc2-float {
    50% { transform: translateY(-1.2rem) rotate(20deg); }
}

/* Serif accent (paired with sans body) */
.intro-arc2__serif { font-family: ui-serif, Georgia, "Times New Roman", serif; }

/* Hero image grayscale → colour reveal on hover */
.intro-arc2__figure { aspect-ratio: 4 / 3; }
.intro-arc2__img {
    object-fit: cover;
    filter: grayscale(1);
    transition: filter 420ms ease;
}
.intro-arc2__figure:hover .intro-arc2__img { filter: grayscale(0); }

/* Ransom-note mixed letters: alternate rotation, weight, family (no colour) */
.intro-arc2__word {
    display: inline-block;
    margin-right: 0.25em;
}
.intro-arc2__word:nth-child(3n+1) { transform: rotate(-4deg); font-weight: 900; }
.intro-arc2__word:nth-child(3n+2) { transform: rotate(3deg);  font-family: ui-serif, Georgia, serif; font-style: italic; }
.intro-arc2__word:nth-child(3n+3) { transform: rotate(-1deg); font-weight: 700; text-transform: uppercase; }

/* Click burst spark (inherits the button's primary colour via currentColor) */
.intro-arc2__react { position: relative; overflow: visible; }
.intro-arc2__spark {
    position: absolute;
    left: 50%;
    top: 50%;
    pointer-events: none;
    animation: intro-arc2-burst 640ms ease-out forwards;
}
@keyframes intro-arc2-burst {
    to { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0.4) rotate(160deg); }
}

@media (prefers-reduced-motion: reduce) {
    .intro-arc2__ring { animation: none; }
}

.origin-image-hover {
    transition: transform 0.3s ease;
}

.origin-image-hover:hover {
    transform: scale(1.05);
}

/* team v19 — masonry with corner dots */
.team-masonry__media {
  height: 16rem;
}

.team-masonry__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.team-masonry__card-accent {
  width: 0.25rem;
  z-index: 1;
}

.team-masonry__decor {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  opacity: 0.08;
  pointer-events: none;
}

.team-masonry__decor--top-left {
  top: -40px;
  left: -40px;
  background-color: currentColor;
}

.team-masonry__decor--bottom-right {
  bottom: -40px;
  right: -40px;
  background-color: currentColor;
}

@media (max-width: 768px) {
  .team-masonry__decor {
    width: 80px;
    height: 80px;
  }
}

/* awards — animated SVG mesh card backgrounds */
.awards-mesh__canvas {
  isolation: isolate;
}

/* BS-only canvas gradient (TW uses @sem gradient layer) */
.awards-mesh__canvas-bg {
  background: linear-gradient(
    to bottom right,
    color-mix(in srgb, var(--bs-primary) 55%, black),
    color-mix(in srgb, var(--bs-primary) 42%, black),
    var(--bs-primary)
  );
}

.dark .awards-mesh__canvas-bg,
[data-bs-theme="dark"] .awards-mesh__canvas-bg {
  background: linear-gradient(
    to bottom right,
    color-mix(in srgb, var(--bs-primary) 10%, black),
    color-mix(in srgb, var(--bs-primary) 22%, black),
    color-mix(in srgb, var(--bs-primary) 38%, black)
  );
}

.awards-mesh__svg {
  display: block;
}

.awards-mesh__orb {
  transform-origin: center;
  transform-box: fill-box;
}

.awards-mesh__orb--a {
  animation: awards-mesh-orb-drift-a 9s ease-in-out infinite;
}

.awards-mesh__orb--b {
  animation: awards-mesh-orb-drift-b 11s ease-in-out infinite;
  animation-delay: 1.5s;
}

.awards-mesh__orb--c {
  animation: awards-mesh-orb-pulse 6s ease-in-out infinite;
  animation-delay: 0.8s;
}

.awards-mesh__wave {
  stroke-linecap: round;
  stroke-linejoin: round;
  transform-origin: center;
}

.awards-mesh__wave--a {
  animation: awards-mesh-wave-slide 14s linear infinite;
}

.awards-mesh__wave--b {
  animation: awards-mesh-wave-slide 18s linear infinite reverse;
  animation-delay: 2s;
}

.awards-mesh__svg--1 .awards-mesh__orb--a {
  animation-delay: 0.5s;
}

.awards-mesh__svg--1 .awards-mesh__wave--a {
  animation-duration: 16s;
}

.awards-mesh__svg--2 .awards-mesh__orb--b {
  animation-delay: 2.5s;
}

.awards-mesh__svg--2 .awards-mesh__wave--b {
  animation-duration: 12s;
}

.awards-mesh__svg--3 .awards-mesh__orb--c {
  animation-delay: 1.2s;
}

@keyframes awards-mesh-orb-drift-a {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(12px, -10px) scale(1.08);
  }
}

@keyframes awards-mesh-orb-drift-b {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-14px, 8px) scale(1.06);
  }
}

@keyframes awards-mesh-orb-pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.75;
  }
}

@keyframes awards-mesh-wave-slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-40px);
  }
}

/* quote — featured academic quote + supporting cards */

/* serif lead + drop-cap. BS has no font-serif utility; font-family here is allowed (it is not a color) */
.quote-essay__lead {
    font-family: ui-serif, Georgia, "Times New Roman", serif;
}

.quote-essay__lead::first-letter {
    float: left;
    font-size: 3.25rem;
    line-height: 0.8;
    padding-right: 0.5rem;
    font-weight: 700;
}

/* author avatar: fixed size + cover (neither has a BS utility) */
.quote-essay__avatar {
    width: 3.5rem;
    height: 3.5rem;
    object-fit: cover;
}

.quote-essay__glow {
    width: 16rem;
    height: 16rem;
    filter: blur(64px);
}

/* stepping-stone offset rhythm on supporting cards — layout only */
@media (min-width: 1024px) {
    .quote-essay__step:nth-child(odd) {
        transform: translateY(0.75rem);
    }
    .quote-essay__step:nth-child(even) {
        transform: translateY(-0.25rem);
    }
}
/* hover + focus affordances (layout/outline via theme token) */
@media (hover: hover) {
    .quote-essay-root [role="listitem"]:hover,
    .quote-essay-root article:hover,
    .quote-essay-root [class*="quote-essay__card"]:hover,
    .quote-essay-root .quote-essay__book:hover,
    .quote-essay-root .quote-essay__step:hover,
    .quote-essay-root .quote-essay__index-card:hover,
    .quote-essay-root .quote-essay__pill:hover,
    .quote-essay-root .quote-essay__item:hover {
        transform: translateY(-0.125rem);
    }
}

.quote-essay-root [role="listitem"],
.quote-essay-root article,
.quote-essay-root [class*="quote-essay__card"],
.quote-essay-root .quote-essay__book,
.quote-essay-root .quote-essay__step,
.quote-essay-root .quote-essay__index-card,
.quote-essay-root .quote-essay__pill {
    transition: transform 200ms ease;
}

.quote-essay-root a:focus-visible,
.quote-essay-root button:focus-visible,
.quote-essay-root [tabindex="0"]:focus-visible,
.quote-essay-root input:focus-visible,
.quote-essay-root summary:focus-visible,
.quote-essay-root [role="slider"]:focus-visible {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

@media (hover: hover) {
    .quote-essay-root button:hover,
    .quote-essay-root a:hover,
    .quote-essay-root summary:hover {
        opacity: 0.92;
    }
}