:root {
  --uga-red: #ba0c2f;
  --uga-red-dark: #8f0825;
  --ink: #171a16;
  --ink-soft: #343a34;
  --forest: #234d3c;
  --leaf: #6f8d55;
  --gold: #d3a43b;
  --paper: #f6f7f2;
  --white: #ffffff;
  --line: #cfd5cc;
  --header-height: 78px;
  --shell: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.25rem, 4.5vw, 4.7rem);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--uga-red);
  transform: translateY(-150%);
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  color: var(--white);
  background: rgba(16, 18, 15, 0.84);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(12px);
  transition: background 180ms ease;
}

.site-header.scrolled {
  background: rgba(16, 18, 15, 0.97);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  color: var(--white);
  background: var(--uga-red);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.82rem;
  font-weight: 700;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.14;
}

.brand-copy strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
}

.brand-copy small {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.site-nav a {
  position: relative;
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--uga-red);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 3px;
  cursor: pointer;
}

.nav-toggle svg,
.button svg,
.text-link svg,
.resource-action svg,
.contact-section a svg,
.back-to-top svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  stroke-width: 1.8;
}

.hero {
  position: relative;
  min-height: min(790px, 82svh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

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

.hero-shade {
  background: rgba(7, 12, 8, 0.48);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin: 0 auto;
  padding: calc(var(--header-height) + 90px) 0 84px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 750;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--uga-red);
}

.hero h1 {
  max-width: 920px;
  margin-bottom: 24px;
  font-size: clamp(3.5rem, 8vw, 7.8rem);
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.25);
}

.hero-statement {
  max-width: 700px;
  margin-bottom: 34px;
  font-size: clamp(1.1rem, 1.8vw, 1.38rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button-primary {
  color: var(--white);
  background: var(--uga-red);
}

.button-primary:hover {
  background: var(--uga-red-dark);
}

.button-quiet {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.62);
}

.button-quiet:hover {
  background: var(--white);
  color: var(--ink);
}

.hero-caption {
  position: absolute;
  z-index: 1;
  right: 22px;
  bottom: 18px;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
}

.section-shell {
  width: var(--shell);
  margin: 0 auto;
}

.intro-band {
  padding: 54px 0;
  background: var(--uga-red);
  color: var(--white);
}

.intro-layout {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 70px;
  align-items: start;
}

.section-index {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.intro-copy {
  max-width: 860px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 3vw, 2.65rem);
  line-height: 1.35;
}

.research-section,
.people-section {
  padding: 110px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.6fr);
  gap: 70px;
  align-items: end;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.section-heading > p {
  margin: 0 0 8px;
  color: #50574f;
  font-size: 1.02rem;
}

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

.research-item {
  padding: 40px 34px 10px 0;
}

.research-item + .research-item {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.research-number {
  display: block;
  margin-bottom: 42px;
  color: var(--uga-red);
  font-size: 0.75rem;
  font-weight: 800;
}

.research-item h3 {
  min-height: 2.3em;
  margin-bottom: 18px;
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
}

.research-item p {
  margin: 0;
  color: #525a51;
}

.field-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(420px, 0.85fr);
  min-height: 620px;
  color: var(--white);
  background: var(--forest);
}

.field-image-wrap {
  min-height: 520px;
  overflow: hidden;
}

.field-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.field-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 76px clamp(44px, 7vw, 120px);
}

.field-copy h2 {
  max-width: 680px;
  margin-bottom: 30px;
  font-size: clamp(2.35rem, 4.3vw, 4.8rem);
}

.field-copy > p:not(.eyebrow) {
  max-width: 600px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.02rem;
}

.text-link {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 9px;
  color: inherit;
  font-weight: 750;
  text-decoration-color: currentColor;
}

.resources-section {
  padding: 110px 0;
  color: var(--white);
  background: var(--ink);
}

.section-heading.light {
  border-color: rgba(255, 255, 255, 0.22);
}

.section-heading.light > p {
  color: rgba(255, 255, 255, 0.68);
}

.resource-list {
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.resource-row {
  display: grid;
  grid-template-columns: minmax(190px, 0.55fr) minmax(300px, 1fr) auto;
  gap: 36px;
  align-items: center;
  min-height: 136px;
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  text-decoration: none;
  transition: color 160ms ease, padding 160ms ease;
}

.resource-row:hover {
  padding-right: 10px;
  padding-left: 10px;
  color: #ffd979;
}

.resource-species {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3vw, 2.75rem);
}

.resource-description {
  max-width: 580px;
  color: rgba(255, 255, 255, 0.7);
}

.resource-action {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 750;
}

.people-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(54px, 8vw, 120px);
  align-items: center;
}

.portrait-wrap {
  position: relative;
}

.portrait-wrap img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center 35%;
}

.portrait-wrap span {
  display: block;
  margin-top: 10px;
  color: #697168;
  font-size: 0.72rem;
}

.people-copy h2 {
  margin-bottom: 10px;
}

.role {
  margin-bottom: 30px;
  color: var(--uga-red);
  font-size: 1rem;
  font-weight: 750;
  text-transform: uppercase;
}

.people-copy > p:not(.eyebrow):not(.role) {
  max-width: 660px;
  color: #4f574e;
  font-size: 1.05rem;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  margin-top: 30px;
}

.contact-section {
  padding: 90px 0;
  color: var(--white);
  background: var(--uga-red);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: 70px;
}

.contact-section .eyebrow {
  color: #ffdc86;
}

.contact-section h2 {
  max-width: 790px;
}

.contact-section address {
  padding-top: 8px;
  font-style: normal;
}

.contact-section address p {
  margin-bottom: 28px;
}

.contact-section address a {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-weight: 700;
}

.site-footer {
  color: var(--white);
  background: #0e100d;
}

.footer-main,
.footer-meta {
  width: var(--shell);
  margin: 0 auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 210px 1fr auto;
  gap: 44px;
  align-items: center;
  padding: 58px 0;
}

.uga-link img {
  width: 182px;
  max-height: 62px;
  object-fit: contain;
  object-position: left center;
}

.footer-main p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.5;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 20px 0 28px;
  color: rgba(255, 255, 255, 0.46);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.72rem;
}

@media (max-width: 900px) {
  :root {
    --header-height: 70px;
    --shell: min(100% - 34px, 720px);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 28px;
    background: #10120f;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 17px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 1rem;
  }

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

  .hero {
    min-height: 78svh;
  }

  .hero-content {
    padding-bottom: 64px;
  }

  .hero-caption {
    display: none;
  }

  .intro-layout,
  .section-heading,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }

  .research-item,
  .research-item + .research-item {
    padding: 32px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .research-number {
    margin-bottom: 18px;
  }

  .research-item h3 {
    min-height: 0;
  }

  .field-section,
  .people-layout {
    grid-template-columns: 1fr;
  }

  .field-image-wrap {
    min-height: 420px;
  }

  .field-copy {
    padding: 68px max(24px, calc((100vw - 720px) / 2));
  }

  .resource-row {
    grid-template-columns: minmax(150px, 0.45fr) minmax(0, 1fr);
  }

  .resource-action {
    grid-column: 2;
  }

  .footer-main {
    grid-template-columns: 180px 1fr;
  }

  .back-to-top {
    grid-column: 2;
  }
}

@media (max-width: 600px) {
  :root {
    --shell: calc(100% - 32px);
  }

  body {
    font-size: 15px;
  }

  .site-header {
    padding: 0 16px;
  }

  .brand-copy small {
    display: none;
  }

  .hero {
    min-height: 82svh;
  }

  .hero-image {
    object-position: 56% center;
  }

  .hero-content {
    padding-top: 145px;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 16vw, 4.8rem);
  }

  .hero-statement {
    font-size: 1rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .intro-band {
    padding: 42px 0;
  }

  .research-section,
  .people-section,
  .resources-section {
    padding: 76px 0;
  }

  .section-heading {
    padding-bottom: 38px;
  }

  .field-image-wrap {
    min-height: 330px;
  }

  .field-copy {
    padding: 58px 20px;
  }

  .resource-row {
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: 0;
    padding: 30px 0;
  }

  .resource-action {
    grid-column: 1;
    margin-top: 8px;
  }

  .portrait-wrap img {
    aspect-ratio: 1 / 1;
  }

  .contact-section {
    padding: 68px 0;
  }

  .footer-main {
    grid-template-columns: 1fr;
    padding: 48px 0;
  }

  .back-to-top {
    grid-column: 1;
  }

  .footer-meta {
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
