:root {
  --bg: #f4f4f4;
  --surface: #ffffff;
  --surface-alt: #fafafa;
  --ink: #3c3b3b;
  --text: #646464;
  --muted: #9a9a9a;
  --line: rgba(160, 160, 160, 0.32);
  --line-strong: rgba(160, 160, 160, 0.48);
  --accent: #2a9d8f;
  --accent-dark: #1d6f65;
  --gold: #a66d21;
  --font-heading: "Raleway", Helvetica, sans-serif;
  --font-body: "Source Sans 3", Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

a:hover,
a:focus-visible,
a.active {
  color: var(--accent);
}

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

p {
  margin: 0 0 1.45rem;
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 0 0 1.45rem 1.25rem;
  padding: 0;
}

li {
  padding-left: 0.25rem;
}

#site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.55rem;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
}

#site-header h1 {
  display: flex;
  align-items: center;
  min-height: inherit;
  margin: 0;
  padding: 0 1.45rem;
  border-right: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.primary-nav {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  padding-left: 1.35rem;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav li {
  border-left: 1px solid var(--line);
  line-height: 1;
  padding: 0 0 0 1rem;
  margin-left: 1rem;
}

.primary-nav li:first-child {
  border-left: 0;
  margin-left: 0;
  padding-left: 0;
}

.primary-nav a {
  color: #6c6c6c;
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a.active {
  color: var(--accent);
}

#wrapper {
  display: grid;
  grid-template-columns: minmax(17rem, 22rem) minmax(0, 1fr);
  gap: 3rem;
  width: min(92rem, calc(100% - 4.5rem));
  margin: 0 auto;
  padding: 7rem 0 4rem;
}

#sidebar,
#main {
  min-width: 0;
}

#sidebar > section,
.sidebar-grid > section {
  border-top: 1px solid var(--line);
  margin-top: 2.75rem;
  padding-top: 2.75rem;
}

#sidebar > section:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.sidebar-grid > section:first-child {
  margin-top: 0;
}

.intro .portrait {
  display: inline-block;
  width: 5.35rem;
  height: 5.35rem;
  margin: 0 0 1rem;
  overflow: hidden;
  border: 0;
  border-radius: 50%;
  background: transparent;
}

.intro .portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
}

.intro h2 {
  margin: 0 0 0.65rem;
  color: var(--ink);
  font-family: var(--font-heading);
  font-size: clamp(2.35rem, 4.2vw, 3.15rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.05;
  text-transform: uppercase;
}

.intro p,
.sidebar-copy {
  color: #777777;
  font-size: 1rem;
  line-height: 1.6;
}

.sidebar-title,
.post h2,
.project-title,
.link-card h3,
.for-more h3 {
  color: var(--ink);
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.25;
  text-transform: uppercase;
}

.sidebar-title {
  margin: 0 0 1.25rem;
  font-size: 0.92rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.35rem 0 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0 1.3rem;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-heading);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.button:hover,
.button:focus-visible {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
  color: var(--accent);
}

.institute-address {
  margin: 1.15rem 0 0;
  color: #777777;
  font-size: 0.9rem;
  font-style: normal;
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin: 0 0 3rem;
  padding: 0;
  list-style: none;
}

.actions li {
  padding-left: 0;
}

.post {
  margin: 0 0 3rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.post > header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(12rem, 17rem);
  border-bottom: 1px solid var(--line);
}

.post > header.single-heading {
  display: block;
}

.post-title {
  padding: 2.4rem 2.6rem;
}

.post-title p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1.5;
  text-transform: uppercase;
}

.post h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  letter-spacing: 0.16em;
}

.post-meta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.55rem;
  border-left: 1px solid var(--line);
  padding: 2rem 2rem;
  text-align: right;
}

.post-meta span {
  color: var(--ink);
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.post-meta small {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.post-body {
  padding: 2.4rem 2.6rem 2.6rem;
}

.post-body a:not(.button):not(.project-link) {
  border-bottom: 1px dotted var(--line-strong);
  color: var(--accent-dark);
}

.post-body a:not(.button):not(.project-link):hover,
.post-body a:not(.button):not(.project-link):focus-visible {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

.landing-post {
  max-width: 62rem;
}

.landing-institute {
  margin: 0 0 2rem;
}

.landing-institute img {
  width: 100%;
  max-height: 24rem;
  object-fit: cover;
}

.landing-institute figcaption {
  margin-top: 0.65rem;
  color: #5f5f5f;
  font-size: 1rem;
  line-height: 1.4;
  text-align: center;
}

.for-more {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.for-more h3 {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
}

.for-more ul {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0;
}

.landing-bottom {
  display: grid;
  grid-template-columns: minmax(12rem, 0.75fr) minmax(14rem, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  margin-top: 2.5rem;
}

.feature-image {
  display: grid;
  place-items: center;
  margin: 0 0 1.9rem;
  height: clamp(22rem, 44vw, 34rem);
  min-height: 23rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    #0b1311;
  background-size: 32px 32px;
}

.landing-feature {
  position: relative;
  align-self: end;
  justify-self: end;
  width: min(100%, 23rem);
  height: clamp(15rem, 28vw, 19rem);
  margin: 0 -1.8rem -1.8rem 0;
  overflow: hidden;
  background: transparent;
  border: 0;
}

.landing-feature img {
  position: absolute;
  right: -1.15rem;
  bottom: -1.15rem;
  width: auto;
  height: clamp(18rem, 32vw, 24rem);
  max-width: none;
  filter: none;
  clip-path: inset(0 0 12% 26%);
  mix-blend-mode: multiply;
}

.feature-image img {
  width: auto;
  height: clamp(17rem, 33vw, 30rem);
  max-width: 84%;
  filter: drop-shadow(0 0 22px rgba(42, 157, 143, 0.24));
}

.compact-feature {
  height: 23rem;
  min-height: 20rem;
}

.compact-feature img {
  height: 18rem;
}

.image-note {
  margin-top: -1.35rem;
  margin-bottom: 1.7rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.demo-post .post-body {
  padding-top: 3rem;
}

.demo-media {
  display: grid;
  place-items: center;
  margin: 0 0 2rem;
}

.demo-media video {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: clamp(18rem, 42vw, 32rem);
  border: 0;
  background: #111111;
}

.split-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 1.75rem;
}

.mini-panel {
  border-top: 1px dotted var(--line-strong);
  padding-top: 1rem;
}

.mini-panel h3 {
  margin: 0 0 0.65rem;
  color: var(--ink);
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mini-panel p,
.mini-panel li {
  font-size: 0.93rem;
  line-height: 1.5;
}

.project-list {
  display: grid;
  gap: 0;
  margin-top: 1.6rem;
  border-top: 1px dotted var(--line-strong);
}

.project-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px dotted var(--line-strong);
}

.project-title {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
}

.project-item p {
  color: #717171;
  font-size: 0.94rem;
  line-height: 1.5;
}

.project-link {
  align-self: start;
  color: var(--accent-dark);
  font-family: var(--font-heading);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.8rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  padding: 0.15rem 0.5rem;
  border: 1px solid rgba(42, 157, 143, 0.24);
  color: var(--accent-dark);
  font-family: var(--font-heading);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.1;
  text-transform: uppercase;
}

.course-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.course-columns h3 {
  margin: 0 0 0.9rem;
  color: var(--ink);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.course-list {
  margin: 0;
  list-style: none;
}

.course-list li {
  border-top: 1px dotted var(--line-strong);
  padding: 0.62rem 0;
  color: #707070;
  font-size: 0.9rem;
  line-height: 1.35;
}

.course-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.course-code {
  display: inline-block;
  min-width: 4.6rem;
  color: #000000;
  font-family: var(--font-heading);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.55fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.contact-links {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dotted var(--line-strong);
}

.contact-links li {
  padding: 0;
  border-bottom: 1px dotted var(--line-strong);
}

.contact-links a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  color: #626262;
  font-size: 0.94rem;
}

.contact-links span:last-child {
  color: var(--accent-dark);
  font-family: var(--font-heading);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 1120px) {
  #wrapper {
    display: flex;
    flex-direction: column;
    gap: 3rem;
  }

  #sidebar {
    order: -1;
  }

  .intro {
    text-align: center;
  }

  .intro .portrait {
    margin-left: auto;
    margin-right: auto;
  }

  #sidebar > section {
    margin-top: 2rem;
    padding-top: 2rem;
  }

  .sidebar-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .sidebar-grid > section {
    border-top: 1px solid var(--line);
    margin-top: 0;
    padding-top: 1.5rem;
  }
}

@media (max-width: 880px) {
  #site-header {
    align-items: stretch;
  }

  #site-header h1 {
    max-width: 45vw;
  }

  .primary-nav {
    display: none;
  }

  #wrapper {
    width: min(100% - 2rem, 58rem);
    padding-top: 5.25rem;
  }

  .post > header,
  .contact-layout,
  .split-list,
  .course-columns,
  .sidebar-grid {
    grid-template-columns: 1fr;
  }

  .post-meta {
    border-top: 1px solid var(--line);
    border-left: 0;
    padding: 1.25rem 2rem;
    text-align: left;
  }

  .feature-image {
    min-height: 18rem;
  }

  .landing-bottom {
    grid-template-columns: 1fr;
    align-items: end;
  }

  .landing-feature {
    justify-self: end;
    width: min(100%, 18rem);
    height: 14.5rem;
    margin: -0.5rem -1rem -1.25rem 0;
  }

  .landing-feature img {
    height: 18rem;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  #site-header h1 {
    max-width: 48vw;
    padding: 0 0.8rem;
    font-size: 0.58rem;
    letter-spacing: 0.14em;
  }

  #wrapper {
    width: min(100% - 1rem, 42rem);
    padding-top: 4.75rem;
  }

  .post {
    margin-bottom: 2rem;
  }

  .post-title,
  .post-body {
    padding: 1.45rem;
  }

  .post-meta {
    padding: 1.1rem 1.45rem;
  }

  .post h2 {
    font-size: 1.1rem;
    letter-spacing: 0.1em;
  }

  .post-title p {
    font-size: 0.62rem;
    letter-spacing: 0.14em;
  }

  .feature-image,
  .compact-feature {
    height: 18rem;
    min-height: 14rem;
  }

  .feature-image img,
  .compact-feature img {
    width: auto;
    height: 15rem;
    max-width: 88%;
  }

  .landing-feature img {
    height: 14.5rem;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

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

  .contact-links a {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }
}

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