/* Photo-led chapters: real source images, contextual logos, native-scroll transitions. */
.photo-heading {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  max-width: none;
  min-height: 650px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 85px var(--gutter) 70px;
}
.heading-photograph {
  position: absolute;
  inset: 0;
  z-index: -3;
  overflow: hidden;
}
.heading-photograph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 45%;
  transform: scale(calc(1.04 + var(--photo-progress, 0) * 0.035));
}
.photo-heading::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, #151b22e8, #151b2280 65%, #151b2230),
    linear-gradient(0deg, #25272cec, transparent 80%);
}
.photo-heading h1 {
  max-width: 1100px;
  margin-top: 24px;
  color: #f5fbf8;
  text-shadow: 0 3px 45px #0005;
}
.photo-heading .eyebrow {
  color: #b8f7e4;
}
.photo-heading .large-copy {
  max-width: 660px;
  font-size: clamp(17px, 1.6vw, 23px);
  color: #dfebe5;
  margin-top: 26px;
}
.photo-heading .identity-other {
  color: #dae5df;
}
.photo-heading .pill-link {
  align-self: flex-start;
  margin-top: 25px;
}
.photo-heading .detail-meta {
  color: #d3f5e8;
}
.heading-about .heading-photograph img {
  object-position: 65% 53%;
}
.heading-about .heading-photograph {
  left: 25%;
}
.heading-about::after {
  background:
    linear-gradient(
      90deg,
      #25272c 10%,
      #25272ce8 30%,
      #25272c60 65%,
      #25272c44
    ),
    linear-gradient(0deg, #25272c, transparent);
}
.heading-activities .heading-photograph img {
  object-position: 50% 35%;
}
.heading-activities {
  min-height: 760px;
}
.heading-activities::after,
.heading-honors::after {
  background: linear-gradient(0deg, #17241ef5, #17241e70 65%, #17241e18);
}
.heading-honors .heading-photograph img {
  object-position: 50% 35%;
}
.heading-contact .heading-photograph img {
  object-position: 50% 43%;
}
.heading-research::after {
  background:
    linear-gradient(90deg, #16262aee, #16262a77),
    linear-gradient(0deg, #25272c, transparent);
}
.environment-page .photo-heading::before {
  display: none;
}
.heading-team {
  min-height: 760px;
  height: calc(100svh - var(--header));
  padding-bottom: 65px;
}
.heading-team .heading-photograph img {
  object-position: 50% 39%;
}
.heading-team::after {
  background: linear-gradient(0deg, #15191df5 0%, #15191d60 52%, #15191d0d 80%);
}
.heading-team h1 {
  font-size: clamp(60px, 6.9vw, 108px);
  line-height: 0.97;
}
.heading-team .hero-context {
  position: absolute;
  top: 30px;
  right: var(--gutter);
}
.heading-team .large-copy {
  max-width: 550px;
}
.heading-team .context-badge {
  background: #171c20b0;
}
.heading-amr .heading-photograph {
  left: 25%;
}
.heading-amr::after {
  background:
    linear-gradient(90deg, #20282bef, #20282ba8 45%, #20282b30),
    linear-gradient(0deg, #25272c, transparent);
}
.context-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 25px;
}
.context-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 10px/1.6 var(--mono);
  color: inherit;
  padding: 9px 13px;
  border: 1px solid var(--line);
  background: #25272c7a;
  border-radius: 4px;
  max-width: 100%;
}
.context-badge img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  background: #fff;
  padding: 3px;
  border-radius: 3px;
  flex: none;
}
.hero-context .context-badge img {
  width: 74px;
  height: 34px;
  background: transparent;
}
.honor-list .context-badges {
  margin: 0 0 8px;
}
.robotics-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
  background: #1e2327;
  position: sticky;
  top: var(--header);
  z-index: 12;
}
.robotics-tabs a {
  padding: 24px var(--gutter);
  display: flex;
  gap: 22px;
  justify-content: center;
  align-items: center;
  font: 14px var(--mono);
  border-bottom: 3px solid transparent;
}
.robotics-tabs a span {
  color: var(--muted);
  font: 12px var(--sans);
}
.robotics-tabs a[aria-current] {
  background: #b8f7e414;
  color: var(--accent);
  border-color: var(--accent);
}
.robotics-tabs a:hover {
  background: #b8f7e424;
}
.story-photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 24px;
  margin-top: 36px;
}
.photo-story {
  min-width: 0;
}
.photo-story img {
  width: 100%;
  height: auto;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.photo-story figcaption {
  font: 11px/1.7 var(--mono);
  color: var(--muted);
  margin-top: 12px;
}
.story-photo-grid .photo-story:first-child:last-child {
  grid-column: 1/-1;
}
.story-photo-grid .photo-story:first-child:nth-last-child(3) {
  grid-column: 1/-1;
}
.story-photo-grid .photo-story:first-child:nth-last-child(3) img {
  aspect-ratio: 16/9;
  object-position: 50% 40%;
}
.atmospheric {
  position: relative;
  isolation: isolate;
}
.atmospheric::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-position: center;
  background-size: cover;
  opacity: 0.09;
  mask-image: linear-gradient(transparent, #000 20%, #000 70%, transparent);
  pointer-events: none;
}
.about-atmosphere::before {
  background-image: url("portfolio-assets/vex/team-repair.webp");
}
.honors-atmosphere::before {
  background-image: url("portfolio-assets/sdg/award-speech.webp");
}
.project-directory {
  padding-block: 15px 65px;
}
.directory-heading {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 24px;
}
.directory-heading .eyebrow {
  color: var(--accent);
}
.project-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.project-cards a {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.project-cards img {
  height: 145px;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity 0.25s;
}
.project-cards a:hover img {
  opacity: 1;
}
.project-cards span {
  display: block;
  margin-top: 14px;
  font: 12px var(--mono);
  color: var(--accent);
}
.project-cards small {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.project-gate {
  scroll-margin-top: calc(var(--header) - 140px);
  height: 115svh;
  min-height: 720px;
  position: relative;
}
.gate-panel {
  height: calc(100svh - var(--header));
  min-height: 600px;
  position: sticky;
  top: var(--header);
  overflow: hidden;
  isolation: isolate;
  background: #172c2b;
  clip-path: inset(0 calc((1 - var(--gate-progress, 1)) * 3%) round 2px);
}
.gate-photo {
  position: absolute;
  inset: 0;
  z-index: -3;
  opacity: 0.18;
}
.gate-photo img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transform: scale(calc(1.12 - var(--gate-progress, 0) * 0.12));
}
.gate-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, #111b25aa, transparent 80%),
    linear-gradient(0deg, #14202c99, transparent 70%);
}
.gate-copy {
  position: relative;
  z-index: 2;
  padding: clamp(90px, 16vh, 175px) var(--gutter) 100px;
}
.gate-copy .eyebrow {
  color: var(--accent);
}
.gate-category {
  font: 11px/1.7 var(--mono);
  margin-top: 32px;
  color: #c0d8d1;
}
.gate-copy h2 {
  font-size: clamp(70px, 10vw, 155px);
  line-height: 0.98;
  letter-spacing: -0.065em;
  margin-top: 15px;
  max-width: 1000px;
}
.gate-subtitle {
  font-size: clamp(23px, 3vw, 42px);
  letter-spacing: -0.035em;
  margin-top: 22px;
  color: #d5e4df;
}
.gate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  margin-top: 32px;
}
.gate-actions .text-link {
  font-size: 12px;
}
.gate-bottom {
  position: absolute;
  bottom: 28px;
  left: var(--gutter);
  right: var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid #b8f7e43f;
  padding-top: 16px;
  font: 10px var(--mono);
  color: #ccece0;
}
.gate-art {
  position: absolute;
  right: -1%;
  top: 8%;
  width: 56%;
  height: 85%;
  z-index: 0;
  fill: none;
  stroke: #b8f7e4;
  stroke-width: 1.6;
  opacity: 0.4;
  stroke-dasharray: 1900;
  stroke-dashoffset: calc(1400 - var(--gate-progress, 0) * 1400);
  transform: rotate(calc((var(--gate-progress, 0.5) - 0.5) * 25deg));
  transform-origin: center;
}
.gate-vision .gate-panel {
  background: #132b3f;
}
.gate-robot .gate-panel {
  background: #263833;
}
.gate-vex .gate-panel {
  background: #302f21;
}
.gate-sdg .gate-panel {
  background: #293b29;
}
.gate-vex .gate-art {
  stroke: #e4e8a9;
}
.gate-sdg .gate-art {
  stroke: #d8f4b8;
}
.gate-vision .gate-art {
  stroke: #9cdce8;
}
.sdg-home {
  padding-block: 75px;
}
.sdg-home-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 25px;
  margin-block: 35px 28px;
}
.sdg-home-grid img {
  height: 360px;
  object-fit: cover;
}
.photo-heading:not(.heading-team) {
  animation: photo-header-in 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes photo-header-in {
  from {
    clip-path: inset(0 0 9% 0);
  }
  to {
    clip-path: inset(0);
  }
}
.heading-team .heading-photograph {
  animation: team-photo-in 1.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes team-photo-in {
  from {
    transform: scale(1.06);
    filter: brightness(0.5);
  }
  to {
    transform: scale(1);
    filter: brightness(1);
  }
}
@media (max-width: 1100px) {
  .project-cards {
    gap: 12px;
  }
  .project-cards img {
    height: 115px;
  }
  .project-cards span {
    font-size: 10px;
  }
  .heading-team h1 {
    font-size: 75px;
  }
  .photo-heading .large-copy {
    max-width: 550px;
  }
}
@media (max-width: 800px) {
  .photo-heading {
    min-height: 690px;
    padding-top: 80px;
    padding-bottom: 55px;
  }
  .photo-heading h1 {
    font-size: clamp(48px, 8vw, 70px);
  }
  .photo-heading .large-copy {
    font-size: 17px;
    max-width: 520px;
  }
  .heading-about .heading-photograph {
    left: 0;
  }
  .heading-team {
    height: auto;
    min-height: 850px;
    padding-top: 460px;
  }
  .heading-team .heading-photograph {
    background: #192025;
  }
  .heading-team .heading-photograph img {
    height: auto;
    min-height: 0;
    object-fit: contain;
    transform: none;
    object-position: top;
  }
  .heading-team::after {
    background: linear-gradient(0deg, #25272c 5%, #25272c 27%, #25272c00 72%);
  }
  .heading-team .hero-context {
    top: 20px;
    right: 20px;
  }
  .heading-team .hero-context .context-badge {
    font-size: 9px;
  }
  .robotics-tabs a {
    flex-direction: column;
    gap: 8px;
    padding: 18px 14px;
    font-size: 12px;
  }
  .robotics-tabs a span {
    font-size: 10px;
  }
  .project-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px 14px;
  }
  .project-cards img {
    height: 140px;
  }
  .gate-copy {
    padding-top: 145px;
  }
  .gate-art {
    width: 85%;
    right: -20%;
    opacity: 0.3;
  }
  .gate-copy h2 {
    font-size: clamp(62px, 10vw, 95px);
  }
  .gate-category {
    max-width: 280px;
  }
  .gate-subtitle {
    font-size: 30px;
  }
  .story-photo-grid,
  .sdg-home-grid {
    gap: 25px 16px;
  }
  .sdg-home-grid img {
    height: 290px;
  }
}
@media (max-width: 520px) {
  .photo-heading {
    min-height: 680px;
    padding-top: 70px;
    padding-bottom: 45px;
  }
  .photo-heading h1 {
    font-size: 50px;
  }
  .photo-heading .large-copy {
    font-size: 16px;
  }
  .heading-about .heading-photograph img {
    object-position: 62% 50%;
  }
  .heading-about::after {
    background: linear-gradient(0deg, #25272cf5, #25272c60 80%);
  }
  .heading-activities {
    min-height: 760px;
    padding-top: 330px;
  }
  .heading-activities .heading-photograph img {
    object-fit: contain;
    object-position: top;
    height: auto;
  }
  .heading-activities .heading-photograph {
    background: #25272c;
  }
  .heading-activities::after {
    background: linear-gradient(0deg, #25272c 38%, #25272c00 85%);
  }
  .heading-team {
    height: calc(100svh - var(--header));
    min-height: 710px;
    padding-top: 330px;
  }
  .heading-team h1 {
    font-size: 53px;
  }
  .heading-team .heading-photograph img {
    width: 100%;
    height: auto;
  }
  .heading-team::after {
    background: linear-gradient(0deg, #25272c 20%, #25272c 43%, #25272c00 75%);
  }
  .heading-team .hero-context {
    top: 18px;
    left: 22px;
    right: auto;
  }
  .hero-context .context-badge {
    padding: 5px 8px;
  }
  .hero-context .context-badge img {
    width: 48px;
    height: 26px;
  }
  .heading-team .hero-context span span {
    font-size: 8px;
  }
  .heading-amr .heading-photograph {
    left: 0;
  }
  .heading-contact .heading-photograph img {
    object-position: 40% 45%;
  }
  .story-photo-grid {
    grid-template-columns: 1fr;
    margin-top: 25px;
  }
  .story-photo-grid .photo-story:first-child:nth-last-child(3) img {
    aspect-ratio: 3/2;
  }
  .photo-story figcaption {
    font-size: 10px;
  }
  .project-directory {
    padding-bottom: 45px;
  }
  .project-cards {
    grid-template-columns: 1fr 1fr;
  }
  .project-cards img {
    height: 110px;
  }
  .project-cards a:last-child {
    grid-column: 1/-1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 15px;
  }
  .project-cards a:last-child > div {
    grid-row: 1/3;
  }
  .project-cards a:last-child > span {
    align-self: end;
  }
  .project-cards small {
    font-size: 11px;
  }
  .project-gate {
    min-height: 760px;
    height: 100svh;
  }
  .gate-panel {
    min-height: 690px;
    height: calc(100svh - var(--header));
    clip-path: none;
  }
  .gate-copy {
    padding-top: 135px;
  }
  .gate-copy h2 {
    font-size: clamp(55px, 14vw, 72px);
  }
  .gate-category {
    font-size: 10px;
    margin-top: 35px;
  }
  .gate-subtitle {
    font-size: 25px;
    max-width: 300px;
  }
  .gate-actions {
    gap: 22px;
    margin-top: 35px;
  }
  .gate-art {
    width: 120%;
    right: -35%;
    top: 8%;
    height: 85%;
    opacity: 0.25;
  }
  .gate-bottom {
    font-size: 8px;
  }
  .sdg-home {
    padding-block: 55px;
  }
  .sdg-home-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .sdg-home-grid img {
    height: auto;
    aspect-ratio: 3/2;
  }
}
@media (prefers-reduced-motion: reduce) {
  .project-gate {
    height: auto;
    min-height: 0;
  }
  .gate-panel {
    position: relative;
    top: auto;
    clip-path: none;
    min-height: 590px;
    height: auto;
  }
  .gate-photo img,
  .gate-art,
  .heading-photograph img {
    transform: none;
  }
  .gate-art {
    stroke-dashoffset: 0;
  }
  .heading-team .heading-photograph,
  .photo-heading {
    animation: none;
  }
}
.reduced-motion .project-gate {
  height: auto;
  min-height: 0;
}
.reduced-motion .gate-panel {
  position: relative;
  top: auto;
  clip-path: none;
  min-height: 590px;
  height: auto;
}
.reduced-motion .gate-photo img,
.reduced-motion .gate-art,
.reduced-motion .heading-photograph img {
  transform: none;
}
.reduced-motion .gate-art {
  stroke-dashoffset: 0;
}