@font-face {
  font-family: "Frisbee";
  src: url("frisbee.otf") format("opentype");
  font-weight: normal;
  font-style: normal;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "Outfit", system-ui, sans-serif;
  background-color: #6ab8d8;
}

#c {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.hud {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 10vh;
  text-align: center;
  pointer-events: none;
  z-index: 3;
  transition: opacity 0.6s ease;
}

.hud.hidden {
  opacity: 0;
}

.hint {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.88);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}

/* ── Portfolio overlay ── */

.content {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: row;
  background: transparent;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  pointer-events: none;
}

.content.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  cursor: none;
}

/* ── Sidebar ── */

.sidebar {
  width: 210px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 3.5rem 2rem 2.8rem 2rem;
}

.sidenav {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  align-items: flex-end;
}

.sidenav__tab {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: color 0.2s ease;
  cursor: pointer;
  display: block;
  text-align: right;
}

.sidenav__tab--active,
.sidenav__tab:hover {
  color: #ffffff;
}

.topnav__icon {
  color: rgba(255, 255, 255, 0.55);
  display: flex;
  align-items: center;
  transition: color 0.2s ease;
  cursor: pointer;
}

.topnav__icon:hover {
  color: #ffffff;
}

.topnav__icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ── Right column (me page) ── */

.me-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.exp-icons {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.4rem;
  padding: 3.5rem 2.4rem 0;
  flex-shrink: 0;
}

/* ── Hero name ── */

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: 0.4rem;
  padding-left: 2rem;
}

.kern-az {
  margin-left: 0.22em;
}

.tagline {
  margin: 0.6rem 0 0;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.tagline__tag {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  text-decoration: none;
  transition: background 0.2s ease;
}

a.tagline__tag:hover {
  background: rgba(255, 255, 255, 0.28);
}

a.tagline__tag--preview {
  position: relative;
}

a.tagline__tag--preview::after {
  content: '';
  position: fixed;
  left: var(--ibiomed-x, -9999px);
  top: var(--ibiomed-y, -9999px);
  width: 188px;
  height: 86px;
  background-image: url('ibiomed-preview.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 6px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55);
  opacity: 0;
  transform: scale(0.88);
  transform-origin: top left;
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
  z-index: 9998;
}

a.tagline__tag--preview:hover::after {
  opacity: 1;
  transform: scale(1);
}

.tagline__school {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.03em;
}

.hero h1 {
  margin: 0;
  font-family: "Frisbee", system-ui, sans-serif;
  font-weight: normal;
  font-size: clamp(3rem, 26vh, 22vw);
  letter-spacing: 0.02em;
  color: #ffffff;
  text-rendering: optimizeLegibility;
  line-height: 0.9;
  white-space: nowrap;
}

/* ── Bio section ── */

.bio {
  margin-top: 1.6rem;
  padding-left: 0.1rem;
}

.bio-lead {
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
  font-style: italic;
}

.bio-list {
  list-style: none;
  margin: 0;
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bio-list li {
  font-size: 0.84rem;
  font-weight: 300;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
}

.bio-tag {
  color: #ffffff;
  text-decoration: none;
  font-weight: 400;
  display: inline-block;
  padding: 0.08em 0.42em 0.1em;
  border-radius: 3px;
  font-size: 0.8em;
  letter-spacing: 0.04em;
  transition: filter 0.2s ease;
}

.bio-tag:hover {
  filter: brightness(1.15);
}

.bio-tag--red   { background: #c0393b; }
.bio-tag--blue  { background: #1a3a7a; }
.bio-tag--black { background: #1a1a1a; }

/* ── Projects section ── */

.projects {
  margin-top: 3rem;
  padding-bottom: 4rem;
}

/* ── Scroll fade-in ── */
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.projects-heading {
  font-family: "Outfit", system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: #ffffff;
  margin: 0 0 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.projects-dot {
  font-size: 0.6rem;
  line-height: 1;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

.project-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.project-img--ortho {
  object-fit: contain;
  background-color: rgb(75, 0, 130);
}

.project-img--uplift {
  object-position: center 40%;
}

.project-img-split {
  display: flex;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: rgb(50, 58, 71);
}

.project-img-split img {
  width: 50%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-width: 0;
}

.project-img-split img:first-child {
  object-position: 42.5% center;
}

/* Force 3rd project (Zzz-3PO) to be in the first column, directly under Twist n Tell */
.project-card:nth-child(3) {
  grid-column: 1;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0.9rem 0.3rem;
  gap: 0.5rem;
}

.project-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: #111;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.project-date {
  font-size: 0.75rem;
  font-weight: 400;
  color: #111;
  border: 1px solid #111;
  border-radius: 3px;
  padding: 0.1em 0.45em;
  white-space: nowrap;
  flex-shrink: 0;
}

.project-desc {
  margin: 0;
  padding: 0 0.9rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.6;
  color: #333;
}

/* ── Project card image hover balloon ── */

.project-card {
  cursor: pointer;
  overflow: hidden;
}

.project-card .project-img,
.project-card video.project-img,
.project-card .project-img-split {
  transition: transform 0.3s ease;
}

.project-card:hover .project-img,
.project-card:hover video.project-img,
.project-card:hover .project-img-split {
  transform: scale(1.05);
}

/* ── Project Detail Modal ── */

.project-detail {
  position: fixed;
  inset: 0;
  z-index: 2;
  background: #6ab8d8;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.project-detail.visible {
  opacity: 1;
  visibility: visible;
}

.project-detail__scroll {
  height: 100%;
  overflow-y: auto;
  cursor: default;
}

.project-detail__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 2.5rem 2rem 6rem;
}

.project-back {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.75);
  font-family: "Outfit", system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  cursor: pointer;
  padding: 0;
  margin-bottom: 1.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s ease;
}

.project-back:hover {
  color: #ffffff;
}

.project-detail__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
}

.project-detail__title {
  font-family: "Frisbee", system-ui, sans-serif;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: normal;
  color: #ffffff;
  margin: 0;
  letter-spacing: 0.03em;
  line-height: 1;
}

.kern-tw {
  margin-left: 0.22em;
}

.kern-ll {
  margin-left: -0.14em;
}

.kern-op {
  margin-right: 0.08em;
}

.kern-or {
  margin-left: 0.06em;
  margin-right: -0.08em;
}

.project-detail__date {
  font-size: 0.75rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 3px;
  padding: 0.1em 0.5em;
  white-space: nowrap;
  flex-shrink: 0;
}

/* White cards for each section */
.pd-card {
  background: rgba(255, 255, 255, 0.88);
  border-radius: 10px;
  padding: 1.6rem 1.8rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.pd-label {
  font-family: "Outfit", system-ui, sans-serif;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #1a4fbf;
  margin: 0 0 0.9rem;
}

.pd-subhead {
  font-size: 0.9rem;
  font-weight: 600;
  color: #111;
  margin: 0.8rem 0 0.4rem;
}

.pd-card p {
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.8;
  color: #2a2a2a;
  margin: 0 0 0.7rem;
}

.pd-card p:last-child {
  margin-bottom: 0;
}

.pd-card p strong {
  font-weight: 500;
  color: #111;
}

.pd-card ul {
  margin: 0.3rem 0 0.5rem;
  padding-left: 1.2rem;
}

.pd-card ul li {
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.75;
  color: #2a2a2a;
  margin-bottom: 0.2rem;
}

.pd-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.pd-two-col--img {
  align-items: start;
}

.pd-concept-img {
  width: 100%;
  border-radius: 6px;
  margin-bottom: 0.6rem;
  display: block;
  background: #f0f0f0;
}

.pd-highlight {
  background: rgba(106, 184, 216, 0.14);
  border-left: 3px solid #3a9fd4;
  border-radius: 0 6px 6px 0;
  padding: 0.9rem 1.1rem;
  margin-top: 1.1rem;
}

.pd-highlight--sky {
  background: rgba(58, 159, 212, 0.1);
  border-left-color: #1a4fbf;
}

.pd-highlight h3.pd-subhead {
  margin-top: 0;
}

/* Drawing image grid — no cropping, full image visible */
.pd-drawing-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.pd-drawing-cell {
  background: #f8f8f8;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.pd-drawing-cell img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  display: block;
  background: #f8f8f8;
}

/* Concept evaluation matrix (Pugh matrix) */
.pd-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.68rem;
  font-weight: 300;
}

.pd-matrix thead tr {
  background: #f0f0f0;
}

.pd-matrix th {
  padding: 0.45rem 0.6rem;
  text-align: center;
  font-weight: 400;
  border: 1px solid #ddd;
  line-height: 1.35;
  vertical-align: bottom;
}

.pd-matrix td {
  padding: 0.4rem 0.6rem;
  text-align: center;
  border: 1px solid #e8e8e8;
  vertical-align: middle;
}

.pd-matrix__criteria {
  text-align: left !important;
  font-weight: 300;
  white-space: nowrap;
  min-width: 10rem;
}

.pd-matrix__datum {
  background: #f5f5f5;
  color: #888;
}

.pd-matrix__weight {
  font-weight: 400;
  font-style: italic;
}

.pd-matrix__pos {
  color: #2a7a2a;
  font-weight: 400;
}

.pd-matrix__neg {
  color: #c0392b;
  font-weight: 400;
}

.pd-matrix__totals td {
  font-weight: 400;
  border-top: 2px solid #ccc;
}

.pd-matrix__score td {
  font-weight: 400;
  background: #fafafa;
}

.pd-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.pd-skill-tag {
  background: rgba(106, 184, 216, 0.15);
  color: #1a4fbf;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 20px;
  border: 1px solid rgba(26, 79, 191, 0.12);
  transition: background 0.2s, transform 0.2s;
}

.pd-skill-tag:hover {
  background: rgba(106, 184, 216, 0.25);
  transform: translateY(-1px);
}

/* Media inside cards */
.pd-media-hero {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.5rem;
  background: #1a1a1a;
}

.audio-toggle {
  position: absolute;
  bottom: 15px;
  right: 15px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  z-index: 10;
  backdrop-filter: blur(4px);
  padding: 0;
}

.audio-toggle:hover {
  background: rgba(0, 0, 0, 0.75);
  transform: scale(1.08);
}

.audio-toggle svg {
  width: 20px;
  height: 20px;
  fill: #fff;
}

.pd-media-hero video,
.pd-media-hero img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
}

.pd-media-hero img.pd-img-contain {
  object-fit: contain;
  background: #f0f0f0;
}

.pd-media-inline {
  margin-top: 1rem;
  border-radius: 8px;
  overflow: hidden;
  background: #f0f0f0;
}

.pd-media-inline img {
  width: 100%;
  display: block;
  max-height: 300px;
  object-fit: contain;
}

.pd-media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.pd-media-row > div {
  border-radius: 8px;
  overflow: hidden;
  background: #f0f0f0;
}

.pd-media-row img {
  width: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.pd-media-grid-4 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.pd-media-grid-4 > div {
  border-radius: 6px;
  overflow: hidden;
  background: #f0f0f0;
}

.pd-media-grid-4 img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.pd-media-grid-4 img.pd-cad-contain {
  object-fit: contain;
  background: #f0f0f0;
}

.pd-media-grid-4 img.pd-cad-left {
  object-position: 80% center;
}

.pd-media-caption {
  font-size: 0.72rem !important;
  font-weight: 300 !important;
  color: rgba(0, 0, 0, 0.45) !important;
  text-align: center;
  padding: 0.4rem 0 0.1rem !important;
  margin: 0 !important;
  background: transparent;
}

/* ── Mobile responsive ── */

@media (max-width: 700px) {
  /* Sidebar → horizontal top strip */
  .content {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    padding: 1.1rem 1.5rem 0.7rem;
    flex-direction: row;
    align-items: center;
  }

  .sidenav {
    flex-direction: row;
    gap: 1.8rem;
    align-items: center;
    justify-content: flex-start;
  }

  .sidenav__tab {
    text-align: left;
  }

  /* me-right fills remaining height and scrolls */
  .me-right {
    min-height: 0;
    flex: 1;
  }

  /* Icons row */
  .exp-icons {
    padding: 0.6rem 1.5rem 0;
    gap: 1rem;
  }

  .topnav__icon svg {
    width: 18px;
    height: 18px;
  }

  /* Hero */
  .hero {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-top: 0.8rem;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 15vw, 5rem);
    white-space: normal;
  }

  .bio {
    margin-top: 1.2rem;
  }

  /* Projects */
  .projects {
    margin-top: 2.5rem;
    padding-bottom: 3rem;
  }

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

  .project-card:nth-child(3) {
    grid-column: auto;
  }

  /* Project detail modal */
  .project-detail__inner {
    padding: 1.5rem 1rem 4rem;
  }

  .pd-card {
    padding: 1.1rem 1rem;
  }

  .pd-two-col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .pd-drawing-row {
    grid-template-columns: 1fr;
  }

  .pd-media-row {
    grid-template-columns: 1fr;
  }

  .pd-media-grid-4 {
    grid-template-columns: 1fr 1fr !important;
  }

  /* Gallery arrows */
  .gallery-arrow--prev { left: 0.5rem; }
  .gallery-arrow--next { right: 0.5rem; }
}

/* ── Link preview popup ── */

#link-preview {
  position: fixed;
  z-index: 9998;
  width: 216px;
  height: 135px;
  background: #0d0d0d;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55);
  pointer-events: none;
  opacity: 0;
  transform: scale(0.88);
  transform-origin: top left;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

#link-preview.visible {
  opacity: 1;
  transform: scale(1);
}

#preview-frame {
  width: 1200px;
  height: 750px;
  border: none;
  transform: scale(0.18);
  transform-origin: top left;
  pointer-events: none;
  display: block;
}


/* ── Disc cursor ── */

#disc-cursor {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 36%, rgba(255,255,255,0.85) 0%, transparent 52%),
    radial-gradient(circle,
      #f8f8f8 0%,
      #f8f8f8 52%,
      #d8d8d8 54%,
      #f0f0f0 56%,
      #f0f0f0 62%,
      #d4d4d4 64%,
      #ebebeb 66%,
      #ebebeb 73%,
      #d0d0d0 75%,
      #e6e6e6 77%,
      #e6e6e6 84%,
      #cccccc 86%,
      #e0e0e0 88%,
      #e0e0e0 100%
    );
  box-shadow: 0 4px 16px rgba(0,0,0,0.28), inset 0 1px 3px rgba(255,255,255,0.9);
  transform: translate(-50%, -50%) rotateX(22deg) rotateZ(0deg);
  display: none;
  will-change: left, top;
  animation: disc-spin 2.4s linear infinite;
}

@keyframes disc-spin {
  to { transform: translate(-50%, -50%) rotateX(22deg) rotateZ(360deg); }
}

#disc-cursor::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 15px;
  height: 15px;
  transform: translate(-50%, -50%);
  background: #1a4fbf;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}