/*
  Logeman Lab
  Homepage layout, typography, spacing, and scientific-image placeholder.
*/

:root {
  --background: #FFFFFF;
  --text: #1b1d1b;
  --muted: #666963;
  --line: #cfcdc5;
  --accent: #9a412d;
  --visual: #202522;
  --page-width: 1520px;
  --side-space: clamp(1.25rem, 4vw, 5rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 2rem;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  background: #FFFFFF;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

.site-header,
main,
.site-footer-inner {
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding-inline: var(--side-space);
}

.site-header,
main {
  background-color: #FFFFFF;
}

.site-header {
  padding-top: clamp(2.5rem, 5vw, 5.5rem);
}

.site-branding {
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.site-logo {
  position: relative;
  display: grid;
  width: min(100%, 68rem);
  min-height: clamp(7.5rem, 14vw, 12rem);
  margin-inline: auto;
  overflow: hidden;
}

.site-logo-placeholder,
.site-logo-image {
  grid-area: 1 / 1;
}

.site-logo-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.6rem;
  border-block: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

.site-logo-placeholder-name {
  color: var(--text);
  font-size: clamp(2.25rem, 5vw, 4.75rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1;
}

.site-logo-placeholder-detail {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-logo-image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  max-height: 12rem;
  align-self: center;
  object-fit: contain;
  color: transparent;
  font-size: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem clamp(1.75rem, 4vw, 4.75rem);
  padding-block: 1.5rem clamp(2.25rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  letter-spacing: 0.015em;
}

.site-nav a {
  padding-block: 0.25rem;
}

.site-nav a:hover {
  color: var(--accent);
}

.hero {
  min-height: 78vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8.5rem);
  padding-block: clamp(3rem, 6vw, 6rem) clamp(6rem, 10vw, 10rem);
}

.hero-copy {
  padding-block: 2rem;
}

.eyebrow,
.research-number {
  margin-bottom: 1.5rem;
  color: var(--accent);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1 {
  max-width: 11ch;
  margin-bottom: 2.5rem;
  font-size: clamp(3.5rem, 5.8vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.hero-introduction {
  max-width: 35rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.15vw, 1.18rem);
  line-height: 1.75;
}

.image-placeholder {
  min-height: clamp(30rem, 62vh, 48rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--visual);
  color: var(--background);
}

.image-placeholder-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  color: #b8b9b4;
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.image-placeholder-field {
  position: relative;
  flex: 1;
  margin-inline: clamp(1.25rem, 2.5vw, 2rem);
  border-block: 1px solid #4c514e;
}

.image-placeholder-field::before,
.image-placeholder-field::after {
  position: absolute;
  content: "";
  background: #4c514e;
}

.image-placeholder-field::before {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.image-placeholder-field::after {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.image-placeholder-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(68%, 20rem);
  aspect-ratio: 1;
  border: 1px solid #777b77;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.image-placeholder-point {
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.image-placeholder-point-one {
  top: 30%;
  left: 35%;
}

.image-placeholder-point-two {
  top: 57%;
  left: 62%;
}

.image-placeholder-point-three {
  top: 70%;
  left: 43%;
}

.image-placeholder > p {
  margin: 0;
  padding: clamp(1.25rem, 2.5vw, 2rem);
  color: #b8b9b4;
  font-size: 0.63rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.splash-page .hero {
  min-height: calc(100vh - clamp(22rem, 32vw, 29rem));
  gap: clamp(2.5rem, 6vw, 7rem);
  padding-block: clamp(2rem, 3vw, 3.5rem) clamp(3rem, 5vw, 5rem);
}

.splash-page h1 {
  max-width: 13ch;
  font-size: clamp(3.25rem, 4.6vw, 5.6rem);
}

.splash-page .image-placeholder {
  min-height: clamp(18rem, 40vh, 30rem);
}

.content-page {
  width: min(100%, 58rem);
  padding-block: clamp(5rem, 10vw, 10rem);
}

.content-page h1 {
  max-width: none;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 6vw, 5.5rem);
}

.content-page p {
  max-width: 40rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.18rem);
}

.research {
  padding-block: clamp(8rem, 13vw, 13rem);
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(10rem, 0.6fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 6vw, 7rem);
  margin-bottom: clamp(5rem, 9vw, 9rem);
}

.section-heading h2 {
  max-width: 13ch;
  margin-bottom: 0;
  font-size: clamp(3rem, 5vw, 5.75rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 6rem);
}

.research-grid article {
  padding-top: 1.75rem;
  border-top: 1px solid var(--text);
}

.research-number {
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.research-grid h3 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.6rem, 2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.research-grid article > p:last-child,
.lab-information article > p:last-child {
  max-width: 31rem;
  margin-bottom: 0;
  color: var(--muted);
}

.lab-information {
  padding-bottom: clamp(7rem, 12vw, 12rem);
  border-top: 1px solid var(--line);
}

.lab-information article {
  display: grid;
  grid-template-columns: minmax(8rem, 0.45fr) minmax(14rem, 0.8fr) minmax(18rem, 1fr);
  align-items: baseline;
  gap: clamp(2rem, 5vw, 6rem);
  padding-block: clamp(3.5rem, 6vw, 5.5rem);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 2rem;
}

.lab-information .eyebrow {
  margin-bottom: 0;
}

.lab-information h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 3.25vw, 3.75rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.site-footer {
  width: 100%;
  background-color: #0033A0;
  color: #FFFFFF;
  font-size: 0.78rem;
  line-height: 1.5;
  text-align: left;
}

.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.65fr);
  align-items: start;
  column-gap: clamp(4rem, 10vw, 10rem);
  padding-block: clamp(0.75rem, 1.5vw, 1.25rem);
}

.footer-institution {
  display: grid;
  gap: 0.5rem;
}

.site-footer-logo {
  display: block;
  width: 600px;
  max-width: 100%;
  height: auto;
}

.site-footer a {
  color: #FFFFFF;
}

.site-footer p {
  margin-bottom: 0;
}

.footer-affiliation {
  display: grid;
  gap: 0;
}

.footer-institution-name {
  margin-bottom: 0.2rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.footer-address {
  display: grid;
  gap: 0;
}

.footer-affiliation p,
.footer-address p {
  margin: 0;
  line-height: 1.35;
}

@media (max-width: 960px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: clamp(3.5rem, 8vw, 6rem);
    padding-top: clamp(4rem, 9vw, 7rem);
  }

  .hero-copy {
    padding-block: 0;
  }

  h1 {
    max-width: 12ch;
  }

  .image-placeholder {
    min-height: min(75vw, 42rem);
  }

  .splash-page .hero {
    min-height: auto;
    padding-block: clamp(3rem, 7vw, 5rem) clamp(5rem, 9vw, 7rem);
  }

  .splash-page .image-placeholder {
    min-height: min(65vw, 36rem);
  }

  .lab-information article {
    grid-template-columns: 0.45fr 0.8fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding-top: 2rem;
  }

  .site-branding {
    padding-bottom: 2rem;
  }

  .site-logo {
    min-height: clamp(6rem, 28vw, 8rem);
  }

  .site-logo-placeholder-name {
    font-size: clamp(1.75rem, 9vw, 3rem);
  }

  .site-nav {
    gap: 0.75rem clamp(1.1rem, 6vw, 2rem);
    padding-block: 1.25rem 2rem;
  }

  .hero {
    padding-block: 5rem 7rem;
  }

  h1 {
    font-size: clamp(3.1rem, 14vw, 5rem);
  }

  .image-placeholder {
    min-height: 115vw;
  }

  .splash-page .hero {
    padding-block: 4rem 6rem;
  }

  .splash-page .image-placeholder {
    min-height: 90vw;
  }

  .content-page {
    padding-block: 4rem 7rem;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    row-gap: 1.5rem;
  }

  .site-footer-logo {
    width: min(100%, 22rem);
  }

  .section-heading,
  .research-grid,
  .lab-information article {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 1rem;
  }

  .research-grid {
    gap: 4rem;
  }

  .research-number {
    margin-bottom: 2.5rem;
  }

  .lab-information article {
    gap: 1rem;
  }

  .lab-information .eyebrow {
    margin-bottom: 0.5rem;
  }

}