:root {
  --byu-blue: #002e5d;
  --byu-royal: #0057b8;
  --ink: #122033;
  --muted: #5f6f82;
  --line: #d9e2ec;
  --wash: #f5f8fb;
  --teal: #1a9a9a;
  --gold: #d29b18;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(18, 32, 51, 0.12);
  --max-width: 1180px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 30;
  transform: translateY(-150%);
  border-radius: 4px;
  background: var(--white);
  color: var(--byu-blue);
  font-weight: 700;
  padding: 0.7rem 0.9rem;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(217, 226, 236, 0.85);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: max-content;
  color: var(--byu-blue);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: var(--byu-blue);
  color: var(--white);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1;
  letter-spacing: 0;
}

.brand strong {
  font-size: 0.96rem;
}

.brand small {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  color: #27384f;
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.48rem;
  height: 3px;
  background: var(--gold);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  color: var(--byu-blue);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 3px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(0, 46, 93, 0.1) 42%),
    linear-gradient(0deg, rgba(0, 46, 93, 0.58), rgba(0, 46, 93, 0.03) 52%);
}

.hero-copy {
  position: absolute;
  right: clamp(1.5rem, 4vw, 4rem);
  bottom: clamp(1.5rem, 6vw, 5rem);
  width: min(520px, calc(100% - 2.5rem));
  color: var(--white);
  text-shadow: 0 2px 20px rgba(0, 30, 60, 0.35);
}

.hero-identity {
  position: absolute;
  top: calc(clamp(2.25rem, 5.8vw, 4.8rem) + 10%);
  left: clamp(1.25rem, 4.4vw, 4.25rem);
  z-index: 1;
  width: min(455px, 40vw);
  color: #08275b;
}

.hero-logo {
  width: min(440px, 100%);
  height: auto;
  transform: translateX(clamp(-1.1rem, -1.3vw, -0.6rem));
}

.hero-identity p {
  max-width: 18rem;
  margin: clamp(0.15rem, 0.45vw, 0.35rem) 0 0;
  font-size: clamp(0.94rem, 1.55vw, 1.38rem);
  font-weight: 500;
  line-height: 1.36;
  letter-spacing: 0;
}

.hero-identity p span {
  display: block;
  white-space: nowrap;
}

.section-kicker {
  margin: 0 0 0.85rem;
  color: var(--teal);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(1.35rem, 3.25vw, 2.8rem);
  line-height: 1.03;
  letter-spacing: 0;
}

.hero-copy p:not(.eyebrow) {
  max-width: 30rem;
  margin: clamp(0.85rem, 1.7vw, 1.15rem) 0 0;
  font-size: clamp(1.25rem, 2.0625vw, 1.5rem);
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 2px solid transparent;
  border-radius: 4px;
  padding: 0.72rem 1rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}

.button.primary {
  background: var(--white);
  color: var(--byu-blue);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.75);
  color: var(--white);
}

.section {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.35fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.section-heading h2 {
  margin: 0;
  color: var(--byu-blue);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.section-heading h2.section-kicker {
  margin: 0;
  color: var(--teal);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.55;
  text-transform: uppercase;
}

.mission-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.mission-section .section-heading {
  display: block;
  margin: 0;
}

.mission-section .section-heading h2 {
  font-size: clamp(1.5rem, 3.75vw, 3rem);
}

.mission-body {
  display: grid;
  gap: 2rem;
}

.mission-body .prose {
  font-size: clamp(1.275rem, 1.75vw, 1.475rem);
}

.prose {
  color: #2c3c50;
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
}

.prose p {
  margin: 0;
}

.prose p + p {
  margin-top: 1rem;
}

.research-section,
.capabilities-section,
.people-section,
.join-section {
  border-top: 1px solid var(--line);
}

.research-section .section-heading,
.capabilities-section .section-heading,
.join-section .section-heading {
  display: block;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.research-list {
  display: grid;
  gap: clamp(4.5rem, 9vw, 7rem);
}

.research-area {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.area-copy {
  max-width: 860px;
}

.research-area h3 {
  margin: 0;
  color: var(--byu-blue);
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.research-area p {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(1.18rem, 1.7vw, 1.42rem);
  line-height: 1.45;
}

.publication-card,
.person-card,
.pi-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.research-publication-grid {
  margin-top: 0.25rem;
}

.publication-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  box-shadow: 0 0 0 rgba(18, 32, 51, 0);
  transition:
    box-shadow 160ms ease,
    transform 160ms ease;
}

.publication-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.publication-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  padding: 1rem;
  background: #f8fbfd;
}

.publication-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.1rem;
}

.publication-card h3 {
  margin: 0;
  color: var(--byu-blue);
  font-size: 1.04rem;
  line-height: 1.28;
  letter-spacing: 0;
}

.publication-card .journal {
  margin: 0.75rem 0;
  color: var(--teal);
  font-size: 0.86rem;
  font-weight: 800;
}

.publication-card .description {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.publication-card a {
  align-self: start;
  margin-top: auto;
  padding-top: 1.1rem;
  color: var(--byu-royal);
  font-weight: 900;
  text-decoration: none;
}

.publication-card a:hover {
  text-decoration: underline;
}

.publication-scholar-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 1.5rem;
  border: 2px solid var(--byu-blue);
  border-radius: 4px;
  padding: 0.72rem 1rem;
  color: var(--byu-blue);
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
}

.publication-scholar-link:hover {
  background: var(--byu-blue);
  color: var(--white);
}

.capability-media-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.capability-media {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfd;
}

.capability-media img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.capability-media:first-child img {
  object-fit: contain;
}

.capabilities-list {
  display: grid;
  gap: clamp(1.2rem, 2.5vw, 2rem);
}

.capability-item {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.25rem, 2.5vw, 1.75rem) 0;
}

.capability-item h3,
.capability-item h4 {
  margin: 0;
  color: var(--byu-blue);
  letter-spacing: 0;
}

.capability-item h3 {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.12;
}

.capability-item h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
}

.capability-item p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.capability-item ul {
  display: grid;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
  color: #314258;
}

.people-layout {
  display: grid;
  gap: 2.4rem;
}

.pi-card {
  display: grid;
  grid-template-columns: 275px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  overflow: hidden;
  padding: 1rem;
  background: linear-gradient(90deg, #f7fbff, #ffffff);
}

.pi-card img,
.person-image,
.initials {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--wash);
}

.pi-card img {
  border-radius: 6px;
}

.person-image,
.initials {
  border-radius: 6px 6px 0 0;
}

.initials {
  display: grid;
  place-items: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(0, 46, 93, 0.96), rgba(26, 154, 154, 0.88)),
    var(--byu-blue);
  font-size: 1.7rem;
  font-weight: 900;
}

.pi-card .initials {
  border-radius: 6px;
}

.pi-card h3,
.people-group h3,
.mines-alumni h3 {
  margin: 0;
  color: var(--byu-blue);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  letter-spacing: 0;
}

.pi-card p,
.person-card p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.pi-card .pi-title {
  color: var(--ink);
  font-weight: 800;
}

.pi-card .pi-bio {
  max-width: 52rem;
  margin-top: 1rem;
  color: #314258;
}

.pi-links a {
  color: var(--byu-royal);
  font-weight: 900;
  text-decoration: none;
}

.pi-links a:hover {
  text-decoration: underline;
}

.people-group {
  display: grid;
  gap: 1rem;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.person-card {
  width: 90%;
  justify-self: center;
  overflow: hidden;
}

.person-body {
  padding: 0.855rem;
}

.person-card h4 {
  margin: 0;
  color: var(--ink);
  font-size: 0.9rem;
  letter-spacing: 0;
}

.person-card p {
  font-size: 0.9rem;
}

.person-card .position {
  color: #314258;
  font-size: 0.792rem;
}

.alumni-grid .person-card {
  background: #fbfcfd;
}

.mines-alumni {
  display: grid;
  gap: 1rem;
  padding-top: 2rem;
}

.alumni-list {
  columns: 2;
  gap: 2rem;
  margin: 0;
  padding-left: 1.15rem;
  color: #314258;
}

.byu-alumni-list {
  padding-top: 1.25rem;
}

.byu-alumni-list:empty {
  display: none;
}

.alumni-list li {
  break-inside: avoid;
  margin-bottom: 0.65rem;
}

.join-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.join-intro {
  color: #263a50;
  font-size: clamp(1.2rem, 1.9vw, 1.5rem);
}

.join-opportunities {
  display: grid;
  gap: 1rem;
}

.join-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--white);
}

.join-card h3 {
  margin: 0;
  color: var(--byu-blue);
  font-size: clamp(1.25rem, 2.3vw, 1.75rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.join-card h3 span {
  color: var(--muted);
  font-size: 0.72em;
  font-weight: 800;
}

.join-card p {
  margin: 0.85rem 0 0;
  color: #314258;
  font-size: 1.02rem;
}

.join-card ul {
  display: grid;
  gap: 0.5rem;
  margin: 0.85rem 0 0;
  padding-left: 1.15rem;
  color: #314258;
}

.loading-note,
.error-note {
  margin: 0;
  color: var(--muted);
}

.error-note {
  border-left: 4px solid #b3261e;
  padding: 0.8rem 1rem;
  background: #fff4f2;
  color: #7a1a13;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 5vw;
  border-top: 1px solid var(--line);
  color: #516276;
  font-size: 0.94rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--byu-blue);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 1rem;
  }

  .hero {
    min-height: 82svh;
  }

  .hero-image {
    object-position: 42% center;
  }

  .hero-copy {
    right: 1rem;
    bottom: 1.25rem;
    left: auto;
    width: min(520px, calc(100% - 2rem));
  }

  .hero-identity {
    top: calc(clamp(1.4rem, 4.6vw, 2.3rem) + 10%);
    left: 1rem;
    width: min(390px, calc(100% - 2rem));
  }

  .hero-logo {
    width: min(325px, 72vw);
  }

  .hero-identity p {
    max-width: 17rem;
    font-size: clamp(0.88rem, 2.6vw, 1.05rem);
  }

  .hero h1 {
    max-width: 16ch;
  }

  .section-heading,
  .mission-section,
  .research-area,
  .join-layout {
    grid-template-columns: 1fr;
  }

  .publication-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-media-grid {
    grid-template-columns: 1fr 1fr;
  }

  .capability-media:first-child {
    grid-column: 1 / -1;
  }

  .capability-item {
    grid-template-columns: 1fr;
  }

  .people-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --header-height: 66px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    border-bottom: 1px solid var(--line);
    background: var(--white);
    box-shadow: 0 22px 40px rgba(18, 32, 51, 0.12);
    transform: translateY(calc(-100% - var(--header-height)));
    transition: transform 180ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 1rem;
    border-top: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    min-height: calc(100svh - var(--header-height));
  }

  .hero-image {
    object-position: 37% center;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(0, 46, 93, 0.82), rgba(0, 46, 93, 0.06) 64%),
      linear-gradient(90deg, rgba(255, 255, 255, 0.24), rgba(0, 46, 93, 0));
  }

  .hero-identity {
    top: calc(clamp(0.95rem, 4vh, 1.75rem) + 10%);
    width: min(300px, calc(100% - 2rem));
  }

  .hero-logo {
    width: min(250px, 68vw);
  }

  .hero-identity p {
    max-width: 16rem;
    font-size: clamp(0.82rem, 3.4vw, 0.95rem);
    line-height: 1.32;
  }

  .hero h1 {
    font-size: clamp(1.2rem, 6.6vw, 1.95rem);
  }

  .section {
    width: min(100% - 1.25rem, var(--max-width));
    padding-top: 3.4rem;
    padding-bottom: 3.4rem;
  }

  .publication-grid,
  .capability-media-grid,
  .people-grid,
  .pi-card {
    grid-template-columns: 1fr;
  }

  .capability-media:first-child {
    grid-column: auto;
  }

  .pi-card {
    padding: 0.75rem;
  }

  .pi-card img,
  .pi-card .initials {
    max-width: 275px;
  }

  .alumni-list {
    columns: 1;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 1.25rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}