/* =========================================================
   RESET
========================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-b);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
}

ul {
  list-style: none;
}



/* =========================================================
   VARIABLES
========================================================= */

:root {

  --bg: #FAFAF7;

  --surface: #F2F1EC;

  --border: #E5E3DA;

  --text-1: #0C0B09;

  --text-2: #6A6860;

  --text-3: #A6A49D;

  --accent: #1A50D6;

  --accent-soft: #EDF1FD;

  --nav-h: 64px;

  --font-d: 'Syne', sans-serif;

  --font-b: 'DM Sans', sans-serif;

  --font-m: 'JetBrains Mono', monospace;

  --max-w: 1100px;

  --px: clamp(1.25rem, 5vw, 3rem);
}



/* =========================================================
   GENERAL
========================================================= */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
}

.divider {
  border: 0;
  border-top: 1px solid var(--border);
}



/* =========================================================
   NAV
========================================================= */

.nav {

  position: fixed;

  top: 0;
  left: 0;
  right: 0;

  height: var(--nav-h);

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 var(--px);

  background: rgba(250, 250, 247, 0.88);

  backdrop-filter: blur(14px);

  border-bottom: 1px solid var(--border);

  z-index: 1000;
}

.nav-logo {

  font-family: var(--font-d);

  font-weight: 700;

  font-size: 1rem;

  letter-spacing: -0.01em;
}

.nav-links {

  display: flex;

  align-items: center;

  gap: 2rem;
}

.nav-links a {

  font-size: 0.875rem;

  color: var(--text-2);

  transition: color 0.18s;
}

.nav-links a:hover {
  color: var(--text-1);
}

.nav-cta {

  color: var(--accent) !important;

  border: 1px solid currentColor;

  padding: 0.38rem 1rem;

  border-radius: 100px;
}

.nav-cta:hover {

  background: var(--accent);

  color: white !important;
}



/* =========================================================
   HERO
========================================================= */

.hero {

  min-height: 100vh;

  padding:
    calc(var(--nav-h) + 4rem)
    var(--px)
    4rem;

  max-width: var(--max-w);

  margin: 0 auto;

  display: grid;

  grid-template-columns: 1fr 340px;

  gap: 3rem;

  align-items: center;
}

.hero-visual {

  position: relative;

  display: flex;

  justify-content: center;

  align-items: center;
}

.hero-visual::before,
.hero-visual::after {

  content: "";

  position: absolute;

  border-radius: 50%;

  border: 1px solid rgba(26, 80, 214, 0.1);

  pointer-events: none;
}

.hero-visual::before {

  width: 400px;
  height: 400px;

  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);
}

.hero-visual::after {

  width: 270px;
  height: 270px;

  top: 50%;
  left: 50%;

  transform: translate(-50%, -50%);
}

.hero-photo {

  width: 260px;

  height: 300px;

  object-fit: cover;

  object-position: center top;

  border-radius: 6px;

  border: 1px solid var(--border);

  position: relative;

  z-index: 1;
}

.hero-available {

  display: inline-flex;

  align-items: center;

  gap: 0.5rem;

  font-family: var(--font-m);

  font-size: 0.72rem;

  font-weight: 500;

  color: var(--accent);

  letter-spacing: 0.05em;

  text-transform: uppercase;

  margin-bottom: 1.75rem;
}

.hero-available::before {

  content: "";

  width: 7px;

  height: 7px;

  border-radius: 50%;

  background: #22C55E;

  box-shadow:
    0 0 0 3px rgba(34, 197, 94, 0.22);
}

.hero-name {

  font-family: var(--font-d);

  font-size: clamp(2.6rem, 6vw, 4.75rem);

  font-weight: 800;

  line-height: 1.04;

  letter-spacing: -0.03em;

  margin-bottom: 1.25rem;
}

.hero-name em {

  font-style: normal;

  color: var(--accent);
}

.hero-tagline {

  font-size: clamp(1rem, 1.8vw, 1.15rem);

  color: var(--text-2);

  font-weight: 300;

  max-width: 560px;

  line-height: 1.75;

  margin-bottom: 2.25rem;
}

.hero-actions {

  display: flex;

  gap: 0.75rem;

  flex-wrap: wrap;
}



/* =========================================================
   BUTTONS
========================================================= */

.btn {

  display: inline-flex;

  align-items: center;

  gap: 0.35rem;

  font-size: 0.875rem;

  font-weight: 500;

  padding: 0.6rem 1.35rem;

  border-radius: 100px;

  border: 1px solid transparent;

  transition: all 0.18s;
}

.btn-primary {

  background: var(--text-1);

  color: var(--bg);
}

.btn-primary:hover {

  background: #2a2921;

  transform: translateY(-1px);
}

.btn-secondary {

  background: transparent;

  color: var(--text-1);

  border-color: var(--border);
}

.btn-secondary:hover {

  border-color: var(--text-2);
}



/* =========================================================
   STATS
========================================================= */

.stats {

  padding: 3rem 0;

  border-top: 1px solid var(--border);

  border-bottom: 1px solid var(--border);
}

.stats-grid {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 2rem;
}

.stat-value {

  font-family: var(--font-d);

  font-size: clamp(1.8rem, 3.5vw, 2.6rem);

  font-weight: 800;

  line-height: 1;

  letter-spacing: -0.03em;

  margin-bottom: 0.35rem;
}

.stat-value sup {

  font-size: 0.45em;

  color: var(--accent);

  vertical-align: super;
}

.stat-label {

  font-family: var(--font-m);

  font-size: 0.68rem;

  color: var(--text-3);

  letter-spacing: 0.05em;

  text-transform: uppercase;

  line-height: 1.5;
}



/* =========================================================
   CREDENTIALS
========================================================= */

.credentials {

  padding: 3rem 0;
}

.cred-label {

  font-family: var(--font-m);

  font-size: 0.68rem;

  letter-spacing: 0.1em;

  text-transform: uppercase;

  color: var(--text-3);

  margin-bottom: 1.25rem;
}

.cred-list {

  display: flex;

  flex-wrap: wrap;

  gap: 0.6rem;
}

.cred-badge {

  font-family: var(--font-m);

  font-size: 0.75rem;

  font-weight: 500;

  color: var(--text-2);

  background: var(--surface);

  border: 1px solid var(--border);

  padding: 0.4rem 0.9rem;

  border-radius: 100px;
}



/* =========================================================
   SECTION HEADERS
========================================================= */

.eyebrow {

  font-family: var(--font-m);

  font-size: 0.68rem;

  letter-spacing: 0.1em;

  text-transform: uppercase;

  color: var(--accent);

  margin-bottom: 1rem;
}

.section-title {

  font-family: var(--font-d);

  font-size: clamp(1.65rem, 3.2vw, 2.4rem);

  font-weight: 700;

  letter-spacing: -0.025em;

  line-height: 1.12;

  margin-bottom: 1.25rem;
}



/* =========================================================
   ABOUT
========================================================= */

.about-section {

  padding: 6rem 0;
}

.about-grid {

  display: grid;

  grid-template-columns: 1fr 320px;

  gap: 5rem;

  align-items: start;
}

.about-body p {

  color: var(--text-2);

  font-size: 1.03rem;

  margin-bottom: 1rem;

  max-width: 620px;
}

.sidebar-block {

  margin-bottom: 1.75rem;
}

.sidebar-key {

  font-family: var(--font-m);

  font-size: 0.65rem;

  letter-spacing: 0.1em;

  text-transform: uppercase;

  color: var(--text-3);

  margin-bottom: 0.5rem;
}

.sidebar-val {

  font-size: 0.9rem;

  color: var(--text-2);

  line-height: 1.5;
}

.chips {

  display: flex;

  flex-wrap: wrap;

  gap: 0.35rem;

  margin-top: 0.4rem;
}

.chip {

  font-family: var(--font-m);

  font-size: 0.68rem;

  background: var(--accent-soft);

  color: var(--accent);

  padding: 0.22rem 0.6rem;

  border-radius: 3px;
}



/* =========================================================
   WORK
========================================================= */

.work-section {

  padding: 6rem 0;
}

.work-intro {

  color: var(--text-2);

  max-width: 620px;

  font-size: 1.03rem;
}

.work-list {

  margin-top: 3rem;
}

.work-item {

  display: grid;

  grid-template-columns: 52px minmax(0, 1fr) 24px;

  gap: 1.5rem;

  align-items: start;

  padding: 2.5rem 0;

  border-bottom: 1px solid var(--border);
}

.work-item:first-child {

  border-top: 1px solid var(--border);
}

.work-item-link {

  transition: background 0.18s;
}

.work-item-link:hover .work-title {

  color: var(--accent);
}

.work-item-link:hover .work-arrow {

  transform: translate(3px, -3px);

  color: var(--accent);
}

.work-num {

  font-family: var(--font-m);

  font-size: 0.68rem;

  color: var(--text-3);

  padding-top: 0.3rem;

  letter-spacing: 0.03em;
}

.work-content {

  min-width: 0;
}

.work-tags {

  display: flex;

  flex-wrap: wrap;

  gap: 0;

  margin-bottom: 0.5rem;
}

.work-tag {

  font-family: var(--font-m);

  font-size: 0.63rem;

  letter-spacing: 0.04em;

  text-transform: uppercase;

  color: var(--text-3);
}

.work-tag + .work-tag::before {

  content: " · ";
}

.work-title {

  font-family: var(--font-d);

  font-size: clamp(1.05rem, 1.8vw, 1.25rem);

  font-weight: 600;

  letter-spacing: -0.015em;

  color: var(--text-1);

  margin-bottom: 1.1rem;

  line-height: 1.3;
}

.work-title-link {

  display: block;

  transition: color 0.18s;
}

.work-title-link:hover {

  color: var(--accent);
}

.work-desc {

  font-size: 0.91rem;

  color: var(--text-2);

  line-height: 1.7;
}

.work-metrics {

  margin-top: 0.9rem;

  display: flex;

  flex-wrap: wrap;

  gap: 0.4rem;
}

.metric {

  font-family: var(--font-m);

  font-size: 0.67rem;

  color: var(--text-2);

  background: var(--surface);

  border: 1px solid var(--border);

  padding: 0.18rem 0.55rem;

  border-radius: 100px;
}

.work-arrow {

  font-size: 1rem;

  color: var(--text-3);

  padding-top: 0.3rem;

  transition:
    transform 0.18s,
    color 0.18s;
}

.work-arrow-hidden {

  color: transparent;
}



/* =========================================================
   WORK MEDIA LAYOUT
========================================================= */

.work-main {

  display: grid;

  grid-template-columns:
    minmax(0, 1fr)
    300px;

  gap: 2.25rem;

  align-items: center;
}

.work-text {

  min-width: 0;
}



/* =========================================================
   MEDIA BOX
========================================================= */

.work-media {

  position: relative;

  width: 100%;

  aspect-ratio: 1 / 1;

  overflow: hidden;

  border-radius: 20px;

  background: #111;

  isolation: isolate;

  border: 1px solid rgba(0, 0, 0, 0.08);
}



/*
   All videos/images live inside this track.

   The JS controls which one is visible.
*/

.media-track {

  position: absolute;

  inset: 0;
}

.project-media {

  position: absolute;

  inset: 0;

  width: 100%;

  height: 100%;

  object-fit: cover;

  opacity: 0;

  visibility: hidden;

  transition:
    opacity 0.45s ease;

  pointer-events: none;
}

.project-media.is-active {

  opacity: 1;

  visibility: visible;
}



/* =========================================================
   MEDIA STATUS
========================================================= */

.media-status {

  position: absolute;

  left: 12px;

  bottom: 12px;

  z-index: 20;

  padding: 7px 10px;

  border-radius: 999px;

  background: rgba(0, 0, 0, 0.68);

  color: white;

  font-family: var(--font-m);

  font-size: 0.58rem;

  line-height: 1;

  letter-spacing: 0.04em;

  backdrop-filter: blur(8px);
}



/* =========================================================
   MEDIA PAUSE BUTTON
========================================================= */

.media-control {

  position: absolute;

  right: 12px;

  bottom: 12px;

  z-index: 30;

  width: 30px;

  height: 30px;

  border-radius: 50%;

  border: 1px solid rgba(255, 255, 255, 0.25);

  background: rgba(0, 0, 0, 0.6);

  color: white;

  font-family: var(--font-m);

  font-size: 0.55rem;

  cursor: pointer;

  backdrop-filter: blur(8px);

  opacity: 0;

  transition:
    opacity 0.2s,
    background 0.2s;
}

.work-media:hover .media-control {

  opacity: 1;
}

.media-control:hover {

  background: rgba(0, 0, 0, 0.85);
}



/* =========================================================
   PUBLICATION
========================================================= */

.pub-section {

  padding: 6rem 0;
}

.pub-card {

  margin-top: 2.5rem;

  background: var(--surface);

  border: 1px solid var(--border);

  border-radius: 8px;

  padding: 2.25rem;

  display: grid;

  grid-template-columns: 1fr auto;

  gap: 2rem;

  align-items: center;
}

.pub-venue {

  font-family: var(--font-m);

  font-size: 0.68rem;

  letter-spacing: 0.08em;

  text-transform: uppercase;

  color: var(--accent);

  margin-bottom: 0.5rem;
}

.pub-title {

  font-family: var(--font-d);

  font-size: 1.15rem;

  font-weight: 600;

  margin-bottom: 0.3rem;
}

.pub-authors {

  font-size: 0.85rem;

  color: var(--text-2);
}

.pub-doi {

  font-family: var(--font-m);

  font-size: 0.68rem;

  color: var(--text-3);

  margin-top: 0.3rem;
}

.pub-cta {

  display: inline-flex;

  align-items: center;

  gap: 0.35rem;

  font-size: 0.85rem;

  font-weight: 500;

  color: var(--accent);

  border: 1px solid var(--accent);

  padding: 0.5rem 1.1rem;

  border-radius: 100px;

  white-space: nowrap;
}

.pub-cta:hover {

  background: var(--accent);

  color: white;
}



/* =========================================================
   CONTACT
========================================================= */

.contact-section {

  padding: 6rem 0;
}

.contact-inner {

  max-width: 650px;
}

.contact-intro {

  color: var(--text-2);

  margin-top: -0.25rem;
}

.contact-links {

  margin-top: 2.5rem;
}

.contact-row {

  display: flex;

  align-items: center;

  padding: 1rem 0;

  border-bottom: 1px solid var(--border);

  color: var(--text-2);

  transition: color 0.18s;
}

.contact-row:first-child {

  border-top: 1px solid var(--border);
}

.contact-row:hover {

  color: var(--text-1);
}

.contact-key {

  font-family: var(--font-m);

  font-size: 0.65rem;

  letter-spacing: 0.1em;

  text-transform: uppercase;

  color: var(--text-3);

  width: 88px;

  flex-shrink: 0;
}

.contact-val {

  flex: 1;

  font-size: 0.92rem;
}

.contact-arrow {

  font-size: 0.85rem;
}



/* =========================================================
   FOOTER
========================================================= */

footer {

  padding: 2.5rem 0;

  border-top: 1px solid var(--border);
}

.footer-inner {

  display: flex;

  justify-content: space-between;

  align-items: center;

  flex-wrap: wrap;

  gap: 0.75rem;
}

.footer-logo {

  font-family: var(--font-d);

  font-weight: 600;

  font-size: 0.9rem;
}

.footer-meta {

  font-family: var(--font-m);

  font-size: 0.65rem;

  color: var(--text-3);

  letter-spacing: 0.05em;

  text-transform: uppercase;
}



/* =========================================================
   RESPONSIVE — TABLET
========================================================= */

@media (max-width: 900px) {

  .nav-links {
    display: none;
  }


  .hero {

    grid-template-columns: 1fr;

    padding-top:
      calc(var(--nav-h) + 3rem);
  }


  .hero-visual {

    order: -1;

    justify-content: flex-start;
  }


  .hero-visual::before {

    width: 220px;

    height: 220px;
  }


  .hero-visual::after {

    width: 150px;

    height: 150px;
  }


  .hero-photo {

    width: 140px;

    height: 168px;
  }


  .about-grid {

    grid-template-columns: 1fr;

    gap: 2.5rem;
  }


  .stats-grid {

    grid-template-columns:
      repeat(2, 1fr);

    gap: 1.5rem;
  }


  .work-item {

    grid-template-columns:
      40px
      minmax(0, 1fr);
  }


  .work-arrow {

    display: none;
  }


  .work-main {

    grid-template-columns:
      1fr
      minmax(230px, 300px);
  }


  .pub-card {

    grid-template-columns: 1fr;

    gap: 1.25rem;
  }

}



/* =========================================================
   RESPONSIVE — MOBILE
========================================================= */

@media (max-width: 700px) {

  .work-main {

    grid-template-columns: 1fr;

    gap: 1.5rem;
  }


  .work-media {

    width: min(100%, 380px);

    justify-self: start;
  }


  .work-item {

    padding: 2rem 0;
  }

}


@media (max-width: 560px) {

  :root {

    --px: 1.25rem;
  }


  .hero-name {

    font-size: 2.25rem;
  }


  .stats-grid {

    grid-template-columns:
      repeat(2, 1fr);

    gap: 1.25rem;
  }


  .contact-row {

    align-items: flex-start;
  }


  .contact-val {

    overflow-wrap: anywhere;
  }


  .footer-inner {

    align-items: flex-start;

    flex-direction: column;
  }

}



/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

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

    animation-iteration-count: 1 !important;

    transition-duration: 0.01ms !important;
  }

}