:root {
  --bg: #f6f7f2;
  --surface: #ffffff;
  --surface-soft: #eef4ef;
  --ink: #18211f;
  --muted: #65716d;
  --line: #d8dfd8;
  --teal: #26756a;
  --green: #9bc35c;
  --coral: #c95745;
  --gold: #efbd57;
  --indigo: #4c67a2;
  --shadow: 0 20px 60px rgba(24, 33, 31, 0.09);
} 

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, rgba(38, 117, 106, 0.08), transparent 38rem),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: rgba(246, 247, 242, 0.88);
  border-bottom: 1px solid rgba(216, 223, 216, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  min-width: 0;
}

.brand-title,
.brand-subtitle {
  display: block;
}

.brand-title {
  font-weight: 800;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.82rem;
}

.header-right {
  display: contents;
}

.affiliation {
  display: inline-flex;
  align-items: center;
  grid-column: 2;
  justify-self: center;
}

.affiliation img {
  display: block;
  width: min(18rem, 36vw);
  height: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  grid-column: 3;
  justify-self: end;
  justify-content: flex-end;
  gap: 0.25rem;
}

.site-nav a {
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 0.45rem 0.7rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--surface-soft);
  color: var(--ink);
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(21rem, 0.95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: min(40rem, calc(100vh - 8rem));
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 5vw, 3.2rem);
}

.eyebrow,
.section-label {
  margin: 0 0 0.75rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 13.5ch;
  margin: 0;
  font-size: clamp(3.1rem, 7.8vw, 6.9rem);
  line-height: 0.92;
  overflow-wrap: normal;
}

.title-kicker,
.title-main {
  display: block;
}

.title-main {
  hyphens: manual;
  overflow-wrap: normal;
  word-break: normal;
}

.title-kicker {
  margin-bottom: 0.55rem;
  color: var(--coral);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-style: italic;
  font-weight: 500;
  line-height: 1.15;
}

.title-kicker::after {
  display: inline-block;
  width: 4.5rem;
  height: 2px;
  margin-left: 0.75rem;
  background: linear-gradient(90deg, var(--coral), transparent);
  border-radius: 999px;
  content: "";
  vertical-align: middle;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
}

h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.25;
}

.hero-summary {
  max-width: 40rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.hero-summary a {
  color: var(--teal);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: rgba(38, 117, 106, 0.35);
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.18em;
}

.hero-summary a:hover,
.hero-summary a:focus-visible {
  color: var(--ink);
  text-decoration-color: var(--coral);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  border: 1px solid var(--ink);
  border-radius: 8px;
  font-weight: 800;
  padding: 0.72rem 1rem;
}

.button.primary {
  background: var(--ink);
  color: #fffaf1;
}

.button.secondary {
  background: transparent;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.data-visual {
  position: relative;
  min-height: 32rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(24, 33, 31, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 33, 31, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 25% 20%, rgba(239, 189, 87, 0.28), transparent 16rem),
    radial-gradient(circle at 80% 75%, rgba(201, 87, 69, 0.18), transparent 17rem),
    #fbfcf8;
  background-size: 24px 24px, 24px 24px, auto, auto, auto;
  box-shadow: var(--shadow);
}

.table-card,
.layer,
.node,
.edge {
  position: absolute;
}

.table-card {
  width: 11rem;
  border: 1px solid rgba(24, 33, 31, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(24, 33, 31, 0.1);
  padding: 0.75rem;
}

.table-card span {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.82rem;
  font-weight: 900;
}

.table-card i {
  display: block;
  height: 0.65rem;
  margin-top: 0.38rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), rgba(38, 117, 106, 0.15));
}

.table-card-a {
  left: 8%;
  top: 12%;
}

.table-card-b {
  right: 9%;
  top: 24%;
}

.node {
  width: 1rem;
  height: 1rem;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 1px rgba(24, 33, 31, 0.12), 0 10px 22px rgba(201, 87, 69, 0.22);
}

.node-a {
  left: 32%;
  top: 48%;
}

.node-b {
  left: 49%;
  top: 38%;
  background: var(--gold);
}

.node-c {
  left: 57%;
  top: 58%;
  background: var(--green);
}

.node-d {
  left: 72%;
  top: 48%;
  background: var(--indigo);
}

.edge {
  height: 2px;
  transform-origin: left center;
  background: rgba(24, 33, 31, 0.28);
}

.edge-one {
  left: 35%;
  top: 50%;
  width: 13rem;
  transform: rotate(-20deg);
}

.edge-two {
  left: 50%;
  top: 42%;
  width: 12rem;
  transform: rotate(32deg);
}

.layer {
  right: 12%;
  bottom: 14%;
  width: 4.4rem;
  height: 9rem;
  border-radius: 8px;
  background: rgba(76, 103, 162, 0.18);
  border: 1px solid rgba(76, 103, 162, 0.26);
}

.layer-two {
  right: 23%;
  bottom: 18%;
  height: 7rem;
  background: rgba(38, 117, 106, 0.18);
  border-color: rgba(38, 117, 106, 0.26);
}

.layer-three {
  right: 34%;
  bottom: 22%;
  height: 5rem;
  background: rgba(239, 189, 87, 0.24);
  border-color: rgba(239, 189, 87, 0.38);
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.info-strip div {
  background: rgba(255, 255, 255, 0.78);
  padding: 1.1rem;
}

.info-strip span,
.resource-card span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.info-strip strong {
  display: block;
  margin-top: 0.18rem;
  font-size: 1rem;
}

.section {
  padding: clamp(4rem, 9vw, 7rem) 0;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(14rem, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.section-body p,
.split-band p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.35rem;
}

.tag-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
  padding: 0.45rem 0.7rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.4rem;
}

.section-intro {
  max-width: 24rem;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.announcement-list,
.resource-grid,
.assignment-grid,
.module-grid,
.staff-grid {
  display: grid;
  gap: 1rem;
}

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

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

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.resource-group + .resource-group {
  margin-top: 2rem;
}

.resource-group > h3 {
  margin-bottom: 1rem;
}

.staff-card {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  padding: 1.25rem;
}

.staff-photo {
  display: block;
  width: 4.5rem;
  height: 4.5rem;
  border: 1px solid rgba(24, 33, 31, 0.1);
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
}

.staff-role {
  display: block;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.staff-card h3 {
  margin-top: 0.55rem;
  font-size: 1.3rem;
}

.staff-details {
  display: grid;
  gap: 0.85rem;
  margin: 1.2rem 0 0;
}

.staff-details div {
  display: grid;
  gap: 0.15rem;
}

.staff-details dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.staff-details dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.staff-details a {
  color: var(--teal);
  overflow-wrap: anywhere;
}

.module-card {
  display: flex;
  min-height: 12rem;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(38, 117, 106, 0.1), transparent 12rem),
    rgba(255, 255, 255, 0.82);
  padding: 1.25rem;
}

.module-number {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.module-card h3 {
  margin-top: 1.2rem;
  font-size: 1.28rem;
}

.module-card p {
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-weight: 800;
}

.module-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.module-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  border: 1px solid rgba(38, 117, 106, 0.34);
  border-radius: 8px;
  color: var(--teal);
  font-size: 0.9rem;
  font-weight: 900;
  padding: 0.45rem 0.7rem;
}

.module-actions a:hover,
.module-actions a:focus-visible {
  background: var(--teal);
  color: #fffaf1;
}

.module-card:hover,
.module-card:focus-visible {
  border-color: rgba(38, 117, 106, 0.42);
  box-shadow: 0 12px 32px rgba(24, 33, 31, 0.08);
  transform: translateY(-1px);
}

.tutorial-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label action"
    "title title"
    "meta meta";
  gap: 0.35rem 0.65rem;
  align-content: start;
  border: 1px solid rgba(24, 33, 31, 0.1);
  border-left: 4px solid var(--coral);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
  padding: 0.8rem 0.85rem 0.85rem;
}

.tutorial-card span {
  grid-area: label;
  color: var(--coral);
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
}

.tutorial-card h3 {
  grid-area: title;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.3;
}

.tutorial-card p {
  grid-area: meta;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.tutorial-card a {
  grid-area: action;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 1.8rem;
  border: 1px solid rgba(38, 117, 106, 0.28);
  border-radius: 999px;
  background: rgba(38, 117, 106, 0.07);
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 900;
  padding: 0.25rem 0.55rem;
}

.tutorial-card a:hover,
.tutorial-card a:focus-visible {
  background: var(--teal);
  color: #fffaf1;
}

.tutorial-card:hover,
.tutorial-card:focus-within {
  border-color: rgba(207, 97, 75, 0.32);
  border-left-color: var(--coral);
  background: rgba(255, 255, 255, 0.78);
}

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

.announcement-card,
.mini-card,
.resource-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  padding: 1.25rem;
}

.announcement-card time {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.announcement-card p,
.mini-card p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.schedule {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.schedule-row {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr) 11rem;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.1rem;
}

.schedule-row + .schedule-row {
  border-top: 1px solid var(--line);
}

.week {
  color: var(--teal);
  font-weight: 900;
}

.topic {
  font-weight: 800;
}

.material {
  color: var(--muted);
  font-size: 0.92rem;
}

.split-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
  width: calc(100% + 2rem);
  margin-left: -1rem;
  padding-inline: 1rem;
  border-block: 1px solid var(--line);
  background: rgba(238, 244, 239, 0.66);
}

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

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

.resource-card {
  display: block;
}

.reading-card {
  grid-column: span 2;
}

.featured-resource {
  background:
    linear-gradient(135deg, rgba(239, 189, 87, 0.2), transparent 14rem),
    rgba(255, 255, 255, 0.82);
}

.reading-list {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.reading-list li {
  border-top: 1px solid rgba(216, 223, 216, 0.8);
  padding-top: 0.85rem;
}

.reading-list cite {
  display: block;
  font-style: normal;
  font-weight: 900;
  line-height: 1.25;
}

.reading-list cite a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: rgba(38, 117, 106, 0.32);
  text-decoration-thickness: 0.11em;
  text-underline-offset: 0.18em;
}

.reading-list cite a:hover,
.reading-list cite a:focus-visible {
  color: var(--teal);
  text-decoration-color: var(--teal);
}

.reading-list small {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.reading-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.reading-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  border: 1px solid rgba(38, 117, 106, 0.28);
  border-radius: 8px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 900;
  padding: 0.35rem 0.6rem;
}

.reading-links a:hover,
.reading-links a:focus-visible {
  background: var(--teal);
  color: #fffaf1;
}

.resource-card strong {
  display: block;
  margin-top: 0.45rem;
  font-size: 1.08rem;
}

a.resource-card:hover,
a.resource-card:focus-visible {
  border-color: rgba(38, 117, 106, 0.42);
  box-shadow: 0 12px 32px rgba(24, 33, 31, 0.08);
  transform: translateY(-1px);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 2rem 0 3rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 800;
}

@media (max-width: 880px) {
  .site-header {
    position: static;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
  }

  .header-right {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
  }

  .affiliation {
    align-self: center;
  }

  .affiliation img {
    width: min(20rem, 86vw);
  }

  .site-nav {
    align-self: stretch;
    justify-content: flex-start;
  }

  .hero,
  .two-column,
  .split-band {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 12.5ch;
  }

  .data-visual {
    min-height: 24rem;
  }

  .info-strip,
  .announcement-list,
  .assignment-grid,
  .resource-grid,
  .module-grid,
  .tutorial-grid,
  .staff-grid {
    grid-template-columns: 1fr 1fr;
  }

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .reading-card {
    grid-column: span 2;
  }
}

@media (max-width: 560px) {
  main,
  .site-footer {
    width: min(100% - 1rem, 1180px);
  }

  .brand-subtitle {
    display: none;
  }

  .site-nav a {
    padding-inline: 0.5rem;
  }

  .hero {
    min-height: auto;
    padding-top: 3rem;
  }

  h1 {
    font-size: clamp(2.8rem, 18vw, 4.2rem);
  }

  .info-strip,
  .announcement-list,
  .assignment-grid,
  .resource-grid,
  .module-grid,
  .tutorial-grid,
  .staff-grid {
    grid-template-columns: 1fr;
  }

  .reading-card {
    grid-column: span 1;
  }

  .table-card {
    width: 9.5rem;
  }

  .table-card-b {
    right: 4%;
  }

  .site-footer {
    flex-direction: column;
  }
}