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

body {
  font-family: "Work Sans", sans-serif;
  font-optical-sizing: auto;
}

h1 {
  font-weight: 600;
}

a {
  text-decoration: none;

}

main {
  margin-top: clamp(130px, 12vw, 110px);
}

text a {
  color: #7d8049;
}

p a {
  color: #7d8049;
}

/* ─── NAV ─────────────────────────────────────── */

.head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  position: fixed;
  top: 16px;
  left: 16px;
  cursor: pointer;
  z-index: 100;
  font-size: clamp(18px, 3vw, 26px);
  color: black;
  font-weight: 600;
}

.intro {
  font-style: italic;
  font-size: clamp(20px, 2vw, 24px);
}

.nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  position: fixed;
  top: 80px;
  left: 16px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 100;
}

.nav.nav--open {
  visibility: visible;
  opacity: 1;
  top: 30%;
}

@media (max-width: 1023px) {
  .nav.nav--open {
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(125, 128, 73, 0.95);
    padding: 30vh 16px 0;
    justify-content: flex-start;
    margin-top: 110px;
  }
}

.nav-link {
  text-decoration: none;
  color: black;
  font-size: clamp(20px, 8vw, 40px);
}

.nav-link:hover,
.nav-link.is-active {
  color: #7d8049;
  text-shadow: none;
}

@media (min-width: 768px) {
  .head {
    top: 20px;
    left: 24px;
  }
  .nav {
    top: 100px;
    left: 24px;
    gap: 12px;
  }
}

@media (min-width: 1024px) {
  .head {
    top: 24px;
    left: 32px;
    color: black;
  }
  .head:hover {
    color: #7d8049;
  }
  .nav {
    top: 150px;
    left: 32px;
    visibility: visible;
    opacity: 1;
  }
  .nav-link {
    color: black;
    font-size: clamp(18px, 2vw, 20px);
    text-shadow: none;
  }
  .nav.nav--open {
    top: 150px;
  }
  .nav-link--home {
    display: none;
  }
}

/* ─── CONTACT ─────────────────────────────────── */

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  padding: 0 clamp(16px, 12vw, 160px);
  align-items: start;
}

.contact-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-details a,
.contact-details li {
  color: #7d8049;
  text-decoration: none;
}

.contact-details a:hover {
  color: black;
}

.contact-right img {
  width: 100%;
  display: block;
  object-fit: cover;
}

@media (max-width: 768px) {
  .contact {
    grid-template-columns: 1fr;
  }
  .contact-right {
    order: -1;
  }
}

/* ─── HERBAL MEDICINE RESEARCH ────────────────── */

.herbal-medicine-research {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  padding: 0 clamp(16px, 13vw, 160px);
  align-items: start;
}

.hmr-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hmr-right img {
  width: 100%;
  display: block;
  object-fit: cover;
}

@media (max-width: 768px) {
  .herbal-medicine-research {
    grid-template-columns: 1fr;
  }
  .hmr-right {
    order: -1;
  }
}

/* ─── BIO ─────────────────────────────────────── */

.bio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  padding: 0 clamp(16px, 13vw, 160px);
  align-items: start;
}

.bio-left {
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.bio-right {
  align-self: stretch;
  top: 0;
  height: fit-content;
}

.bio-right .portrait {
  width: 100%;
  display: block;
  object-fit: cover;
}

.text.upcoming {
  max-width: 400px;
}

.text.upcoming a {
  color: #7d8049;
}

.social-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.social-links a {
  text-decoration: none;
  color: inherit;
}

.social-links a:hover {
  color: #7d8049;
}

@media (max-width: 768px) {
  .bio {
    grid-template-columns: 1fr;
  }
  .bio-right {
    order: -1;
  }
}

/* ─── WORK PROJECT ────────────────────────────── */

.back-link {
  color: #7d8049;
  font-size: 24px;
  text-decoration: none;
}

.back-link:hover {
  color: black;
}

.work-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 40px);
  padding: 0 clamp(16px, 13vw, 160px);
  align-items: start;
}

.work-project h1 {
  font-size: clamp(18px, 2.5vw, 24px);
}

.work-project-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.work-project .embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.work-project .embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.work-project-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.work-project .cover,
.hmr-right .cover {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.work-project .gallery,
.hmr-right .gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 5px;
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.gallery-thumb:hover,
.gallery-thumb.is-active {
  opacity: 1;
}

.embed--video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.embed--video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.embed--audio iframe {
  width: 100%;
  height: 166px;
  display: block;
}

@media (max-width: 1024px) {
  .work-project {
    grid-template-columns: 1fr;
  }
  .work-project .gallery,
  .hmr-right .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ─── WORK GRID ───────────────────────────────── */

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 0 clamp(16px, 12vw, 160px);
}

.project-card {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-card-image {
  position: relative;
  overflow: hidden;
}

.project-card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(125, 128, 73, 0.45);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-card-image::after,
.research-card:hover .project-card-image::after {
  opacity: 1;
}

.project-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.project-card h2 {
  font-size: 18px;
  font-weight: 400;
}

.project-card h2:hover {
  color: #7d8049;
}

.filter {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  padding-right: clamp(16px, 15vw, 160px);
  margin-bottom: 10px;
  color: #7d8049;
  flex-wrap: wrap;
  gap: 4px;
}

.filter-btn {
  text-decoration: none;
  color: #7d8049;
  margin-right: 10px;
}

.filter-btn:hover,
.filter-btn:active {
  color: black;
}

@media (max-width: 1024px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── RESEARCH LINKS ──────────────────────────── */

.research-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 0 clamp(16px, 15vw, 160px);
  align-items: start;
}

.research-card {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.research-card-image {
  position: relative;
  overflow: hidden;
}

.research-card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(125, 128, 73, 0.45);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.research-card:hover .research-card-image::after {
  opacity: 1;
}

.research-card img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.research-card h2 {
  font-size: 18px;
  font-weight: 400;
  color: black;
}

.research-card h2:hover {
  color: #7d8049;
}

@media (max-width: 1024px) {
  .research-links {
    grid-template-columns: 1fr;
  }
}

/* ─── MICROSCOPIC RESEARCH GRID ───────────────── */

.image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 0 clamp(16px, 15vw, 160px);
}

.image-grid-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.image-grid-item img {
  width: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
}

.image-grid-item figcaption {
  font-size: 14px;
}

.image-zoom-overlay {
  position: fixed;
  inset: 0;
  background: white;
  z-index: 90;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
}

.image-zoom-overlay[hidden] {
  display: none;
}

.image-zoom-overlay img {
  max-width: 100%;
  max-height: calc(100vh - 200px);
  object-fit: contain;
  display: block;
  padding-top: 50px;
}

.image-zoom-overlay figcaption {
  padding: 8px 0;
  font-size: 14px;
  flex-shrink: 0;
  text-align: center;
}

@media (max-width: 1024px) {
  .image-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .image-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── HOME ────────────────────────────────────── */

@media (max-width: 350px) {
  .home {
    margin-top: 140px;
  }
}

/* .magnifier-wrap {
  width: 100%;
  height: 100svh;
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  padding: 0 16px;
} */

.warp-inner {
  width: 150%;
  height: 130%;
  margin: -10%;
  filter: url(#warp);
  -webkit-filter: url(#warp);
}

.home-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.magnifier-wrap {
  width: calc(100% - 32px);
  margin: 0 16px;
  height: 100svh;
  overflow: hidden;
  position: relative;
}

@media (min-width: 768px) {
  .magnifier-wrap {
    width: calc(100% - 160px);
    margin: 0 80px;
  }
}

@media (min-width: 1024px) {
  .magnifier-wrap {
    width: calc(100% - 480px);
    margin: 80px 240px;
    height: 80vh;
  }
}

@media (min-width: 1200px) {
  .magnifier-wrap {
    width: calc(100% - 680px);
    margin: 80px 340px;
  }
}