/*
  Tahmid Ul Islam — Custom Styles
  Palette: #0A122A · #FBFAF8 · #E7DECD · #804E49
*/

:root {
  --navy: #0a122a;
  --paper: #fbfaf8;
  --sand: #e7decd;
  --clay: #804e49;

  --content-wide: 1180px;
  --content-reading: 760px;
  --radius: 14px;
  --line: rgba(10, 18, 42, 0.14);
  --line-light: rgba(251, 250, 248, 0.2);
}

/* =========================================
   GLOBAL
   ========================================= */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20000;
  padding: 0.75rem 1rem;
  background: var(--paper);
  color: var(--navy);
  border: 2px solid var(--navy);
  border-radius: 4px;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.85rem;
  font-weight: 700;
  transform: translateY(calc(-100% - 1rem));
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--paper) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 6px var(--navy) !important;
}

#main-content:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: -3px;
}

body {
  background: var(--paper);
  color: var(--navy);
  font-family: "Gelasio", Georgia, serif;
  font-size: 1.04rem;
  font-weight: 400;
}

body,
input,
select,
textarea,
button {
  color: var(--navy);
  font-family: "Gelasio", Georgia, serif;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--navy);
  font-family: "Domine", Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.035em;
}

p,
li {
  color: var(--navy);
}

p {
  line-height: 1.75;
}

.editorial-possessive {
  position: relative;
  top: -0.16em;
  color: inherit;
  font-family: inherit;
  font-size: 0.78em;
  font-weight: inherit;
  letter-spacing: 0;
}

a {
  color: var(--clay);
  text-decoration-color: rgba(128, 78, 73, 0.4);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy);
}

#wrapper.divided > * {
  border-color: var(--line);
}

.section-kicker {
  margin: 0 0 0.65rem;
  color: var(--clay) !important;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

/* Section rhythm */
.banner,
#education,
#experience,
#contact {
  background: var(--paper);
}

#first,
#research,
#gallery {
  background: var(--sand);
}

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

.button,
button,
input[type="submit"],
input[type="reset"],
input[type="button"] {
  border-color: rgba(10, 18, 42, 0.48) !important;
  color: var(--navy) !important;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-weight: 700;
  letter-spacing: 0.09em;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease !important;
}

.button:hover,
button:hover,
input[type="submit"]:hover,
input[type="reset"]:hover,
input[type="button"]:hover {
  border-color: var(--clay) !important;
  color: var(--clay) !important;
  transform: translateY(-1px);
}

.button.primary,
button.primary,
input[type="submit"].primary {
  background: var(--navy) !important;
  border-color: var(--navy) !important;
  color: var(--paper) !important;
  box-shadow: none !important;
}

.button.primary:hover,
button.primary:hover,
input[type="submit"].primary:hover {
  background: var(--clay) !important;
  border-color: var(--clay) !important;
  color: var(--paper) !important;
}

/* =========================================
   NAVIGATION
   ========================================= */

#site-nav {
  --site-nav-color: var(--navy);
  --site-nav-surface: rgba(251, 250, 248, 0.97);
  --site-nav-sticky-background: rgba(251, 250, 248, 0.92);
  position: fixed;
  top: 1.55rem;
  left: 1.45rem;
  z-index: 10000;
  color: var(--site-nav-color);
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: clamp(0.56rem, 0.6vw, 0.63rem);
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1;
  text-transform: uppercase;
  transition: color 0.18s ease;
  isolation: isolate;
}

#site-nav::before {
  position: absolute;
  z-index: -1;
  inset: -0.42rem -0.5rem;
  background: var(--site-nav-sticky-background);
  border-radius: 4px;
  content: "";
  opacity: 0;
  transition:
    background-color 0.18s ease,
    opacity 0.18s ease;
}

#site-nav.is-scrolled::before {
  opacity: 1;
}

#site-nav.nav-on-dark {
  --site-nav-color: var(--paper);
  --site-nav-surface: rgba(10, 18, 42, 0.97);
  --site-nav-sticky-background: rgba(10, 18, 42, 0.92);
}

.site-nav-links {
  display: flex;
  width: max-content;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: nowrap;
  gap: clamp(0.12rem, 0.2vw, 0.2rem);
}

.site-nav-links a {
  color: inherit;
  text-decoration: none;
  text-decoration-color: transparent;
  text-underline-offset: 0.3em;
  white-space: nowrap;
  transition:
    color 0.18s ease,
    opacity 0.18s ease,
    text-decoration-color 0.18s ease;
}

.site-nav-links a:hover,
.site-nav-links a:focus-visible {
  color: inherit;
  text-decoration-color: currentColor;
}

.site-nav-links a[aria-current="location"] {
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
}

.site-nav-separator {
  opacity: 0.52;
}

#site-nav-toggle {
  display: none;
}

/* Social links */

#external-nav {
  position: fixed;
  top: 1.15rem;
  right: 1.45rem;
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  mix-blend-mode: normal;
  isolation: isolate;
  opacity: 0.82;
  transition: opacity 0.2s ease;
}

#external-nav:hover,
#external-nav:focus-within {
  opacity: 0.98;
}

#external-nav a,
#external-nav .social-placeholder {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: #ffffff;
  background: rgba(10, 18, 42, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 50%;
  font-size: 1rem;
  text-decoration: none;
  filter: none;
  text-shadow: none;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease,
    opacity 0.2s ease;
}

#external-nav .social-placeholder {
  cursor: default;
}

#external-nav a:hover {
  background: #ffffff;
  color: var(--navy);
  border-color: var(--navy);
  transform: translateY(-1px);
}

#first,
#education,
#research,
#skills,
#experience,
#awards,
#contact {
  scroll-margin-top: 4rem;
}

/* =========================================
   MODAL
   ========================================= */

dialog::backdrop {
  background: rgba(10, 18, 42, 0.74);
  backdrop-filter: blur(4px);
}

dialog {
  width: min(92vw, 430px);
  margin: auto;
  padding: 2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 22px 70px rgba(10, 18, 42, 0.28);
  color: var(--navy);
  text-align: center;
}

.modal-title {
  margin-bottom: 1.4rem;
}

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

.banner.style1 {
  min-height: 100svh;
  background: var(--paper);
}

.banner.style1 .content {
  width: 48%;
  max-width: none;
  margin: 0;
  padding: clamp(5rem, 8vw, 9rem) clamp(3rem, 7vw, 8rem);
}

.banner.style1 .image {
  width: 52%;
}

.banner .content h1 {
  max-width: 9ch;
  min-height: 2.04em;
  margin-bottom: 1.35rem;
  font-size: clamp(3.25rem, 5.4vw, 5.8rem);
  line-height: 1.02;
}

#typed-greeting {
  white-space: pre-line;
}

.typewriter-cursor {
  display: inline-block;
  animation: typewriter-cursor-blink 0.72s step-end infinite;
}

@keyframes typewriter-cursor-blink {
  0%,
  45% {
    opacity: 1;
  }

  46%,
  100% {
    opacity: 0;
  }
}

.banner .content .major {
  min-height: 2.25em;
  margin-bottom: 2.1rem;
  color: var(--clay);
  font-family: "Gelasio", Georgia, serif;
  font-size: clamp(1.08rem, 1.15vw, 1.34rem);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.banner .actions {
  gap: 0;
}

.banner .actions.stacked li {
  padding-top: 0.65rem;
}

.banner .button.big {
  width: 17.5rem;
  min-width: 17.5rem;
}

.banner.style1 .image img {
  object-position: center 42%;
}

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

#first {
  align-items: stretch;
}

#first > .content {
  width: 56%;
  max-width: none;
  align-self: center;
  padding: clamp(4rem, 7vw, 7rem) clamp(3rem, 6vw, 7rem);
}

#first > .image {
  width: 44%;
  min-width: 0;
  height: auto;
  max-height: none;
  align-self: stretch;
}

#first > .image img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center 24%;
}

.about-content h2 {
  max-width: 12ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.4rem, 4vw, 4.5rem);
  line-height: 1.08;
}

.about-content > p:not(.section-kicker) {
  max-width: 720px;
  margin-bottom: 1.35rem;
  font-size: clamp(1rem, 0.95rem + 0.15vw, 1.08rem);
}

.about-lead,
.presentation-statement,
.awards-header p {
  color: var(--clay) !important;
  font-family: "Domine", Georgia, serif;
  font-size: clamp(1.15rem, 1.5vw, 1.4rem) !important;
  font-weight: 700;
  line-height: 1.75;
}

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.about-actions li {
  padding: 0 !important;
}

/* =========================================
   EDUCATION — CONNECTED EDITORIAL TIMELINE
   ========================================= */

#education {
  padding: clamp(4rem, 5vw, 5.5rem) 2rem;
  background: var(--paper);
}

.education-section {
  --education-copy-offset: calc(76px + 24px + 2rem);
  width: min(100%, var(--content-wide));
  margin: 0 auto;
}

/* Align the section introduction with the degree-copy column. */
.education-header-split {
  display: block;
  padding-left: var(--education-copy-offset);
  margin-bottom: clamp(3rem, 4.5vw, 4.25rem);
}

.education-header-split .section-kicker {
  margin: 0 0 0.65rem;
}

.education-header-split h2 {
  max-width: none;
  margin: 0;
  font-size: clamp(2.4rem, 3.1vw, 3.35rem);
  line-height: 1.08;
  white-space: nowrap;
}

/*
  One continuous line runs through the entire education journey.
  The airplane is tilted; the line itself remains vertical.
*/
.education-timeline {
  --year-col: 76px;
  --marker-col: 24px;
  --timeline-gap: 1rem;
  --timeline-x: calc(
    var(--year-col) + var(--timeline-gap) + (var(--marker-col) / 2)
  );

  position: relative;
  width: 100%;
}

.education-timeline::before {
  content: "";
  position: absolute;
  top: 0.7rem;
  bottom: 0.7rem;
  left: var(--timeline-x);
  width: 1px;
  background: rgba(128, 78, 73, 0.48);
  transform: translateX(-50%);
}

.education-institution-group {
  display: block;
}

.education-timeline-content {
  min-width: 0;
}

.education-milestone {
  display: grid;
  grid-template-columns:
    var(--year-col)
    var(--marker-col)
    minmax(0, 1fr);
  column-gap: var(--timeline-gap);
  align-items: start;
  position: relative;
  padding-bottom: clamp(2.6rem, 5vw, 4.2rem);
}

.education-milestone:last-child,
.education-milestone-last {
  padding-bottom: 0;
}

.education-year {
  padding-top: 0.08rem;
  color: var(--clay);
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.45;
  text-align: right;
}

.education-marker {
  position: relative;
  z-index: 2;
  width: 12px;
  height: 12px;
  margin: 0.36rem auto 0;
  background: var(--paper);
  border: 2px solid var(--navy);
  border-radius: 50%;
}

.education-degree-content {
  max-width: 720px;
  min-width: 0;
}

.education-degree {
  margin: 0 0 0.15rem;
  color: var(--navy);
  font-family: "Domine", Georgia, serif;
  font-size: clamp(1.2rem, 1.6vw, 1.45rem);
  font-weight: 700;
  line-height: 1.35;
}

.education-degree i,
.education-entry-logo {
  width: 1.25rem;
  margin-right: 0.45rem;
}

.education-entry-logo {
  display: inline-block;
  height: 1.25rem;
  object-fit: contain;
  vertical-align: -0.22rem;
}

.education-degree i {
  color: var(--clay);
  font-size: 0.92em;
  text-align: center;
}

.education-degree-meta {
  margin: 0 0 0.9rem;
  color: rgba(10, 18, 42, 0.62);
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.82rem;
  line-height: 1.5;
}

.education-degree-content h3 {
  margin: 0 0 0.55rem;
  color: var(--clay);
  font-size: 1.02rem;
  letter-spacing: -0.018em;
  line-height: 1.4;
}

.education-degree-content > p:last-child {
  max-width: 680px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
}

/* Institution label on the right */
.education-institution {
  align-self: center;
  justify-self: center;
  width: min(100%, 280px);
  text-align: center;
}

.education-institution-logo {
  display: block;
  width: clamp(200px, 20vw, 280px);
  height: clamp(200px, 20vw, 280px);
  margin: 0 auto;
  object-fit: contain;
}

.education-institution p {
  margin: 0;
  color: rgba(10, 18, 42, 0.68);
  font-family: "Gelasio", Georgia, serif;
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.45;
}

/* Travel / academic transition between Dhaka and Texas Tech */
.education-transition {
  position: relative;
  height: clamp(4.75rem, 8vw, 6.5rem);
}

/* The separate helper line is hidden because the timeline already owns
   one continuous straight vertical line. */
.education-transition-line {
  display: none;
}

.education-plane {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: var(--timeline-x);
  padding: 0.42rem 0.16rem;
  background: var(--paper);
  color: var(--clay);
  font-size: 1rem;
  transform: translate(-50%, -50%) rotate(-38deg);
  transform-origin: center;
}

/* Graduation photograph concludes the education story.
   Keep the original landscape composition instead of forcing a crop. */
.education-commencement {
  width: min(100%, 940px);
  margin: clamp(4.5rem, 8vw, 7rem) auto 0;
}

.education-commencement-photo {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: var(--radius);
}


/* =========================================
   RESPONSIVE PHOTOS
   ========================================= */

.site-photo {
  display: block;
  max-width: 100%;
}

/* Hero: the image always fills its half of the hero and crops smoothly. */
.banner.style1 .image {
  position: relative;
  overflow: hidden;
}

.banner.style1 .image img,
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;

  /*
    The Colorado photo has a lot of landscape around the subject.
    Keep the crop focused toward Tahmid instead of simply revealing more
    scenery when the browser is zoomed out / viewport becomes very wide.
  */
  object-position: 68% 48%;
  transform: scale(1.12);
  transform-origin: 68% 54%;
}

/* About: the presentation image fills the entire image side of the section. */
#first {
  align-items: stretch;
}

#first > .content {
  width: 56%;
}

#first > .image {
  width: 44%;
  max-width: none;
  min-width: 0;
  height: auto;
  min-height: 0;
  max-height: none;
  margin: 0;
  align-self: stretch;
  overflow: hidden;
  border-radius: 0;
}

#first > .image img,
.about-photo {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center 24%;
}

/* Documentary images preserve their original composition and scale fluidly. */
.research-defense-photo,
.education-commencement-photo {
  width: 100%;
  max-width: 100%;
  height: auto;
}

.research-photo img,
.research-defense-photo {
  aspect-ratio: auto;
  object-fit: contain;
}

figcaption {
  margin-top: 0.65rem;
  color: rgba(10, 18, 42, 0.62);
  font-family: "Gelasio", Georgia, serif;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.4;
  text-align: left;
}

/* =========================================
   SECTION RHYTHM — COMPACT & CONGRUOUS
   ========================================= */

#education > .inner,
#research > .inner,
#skills > .inner,
#experience > .inner,
#impact > .inner {
  padding-top: 0;
  padding-bottom: 0;
}

#research,
#skills,
#experience,
#impact {
  padding-top: clamp(3.25rem, 4vw, 4.75rem);
  padding-bottom: clamp(3.25rem, 4vw, 4.75rem);
}

#contact > .inner {
  padding-top: clamp(3.25rem, 4vw, 4.5rem);
  padding-bottom: clamp(2.75rem, 3.5vw, 4rem);
}

footer.wrapper > .inner {
  padding-top: 2.5rem;
  padding-bottom: 2rem;
}

/* =========================================
   RESEARCH
   ========================================= */

#research {
  padding: clamp(3.25rem, 4vw, 4.75rem) 2rem;
}

#research .research-section {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
}

.research-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: clamp(2.25rem, 5vw, 5rem);
  margin-bottom: 3rem;
}

.research-header {
  max-width: 620px;
  margin: 0;
  text-align: left;
}

.research-header h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(2.4rem, 4vw, 4.2rem);
}

.research-header > p {
  max-width: 600px;
  margin: 0;
  color: rgba(10, 18, 42, 0.72);
  font-size: 1.08rem;
  line-height: 1.72;
}

.research-photo {
  margin: 0;
}

.research-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
}


.research-interests {
  margin-bottom: 3rem;
}

.research-interests > h3 {
  margin-bottom: 1.25rem;
  text-align: center;
}

.academic-work-section > h3 i {
  margin-right: 0.45rem;
  color: var(--clay);
}

.research-interest-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem clamp(1.4rem, 2.5vw, 2.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.research-interest-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  color: var(--navy);
}

.research-interest-list i {
  flex: 0 0 auto;
  color: var(--clay);
  font-size: 1rem;
}

.research-interest-list span {
  color: var(--navy);
  font-family: "Domine", Georgia, serif;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
}

@media screen and (min-width: 1100px) {
  .research-interest-list {
    flex-wrap: nowrap;
    justify-content: center;
  }
}

.academic-work-section {
  max-width: 900px;
  margin: 0 auto 2.6rem;
  text-align: left;
}

.academic-work-section:last-child {
  margin-bottom: 0;
}

.academic-work-section > h3 {
  margin-bottom: 1.4rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(128, 78, 73, 0.42);
  font-size: 1.3rem;
  text-align: left;
}

.academic-citation-list {
  text-align: left;
}

.academic-citation {
  margin: 0 0 1.35rem;
  font-family: "Gelasio", Georgia, serif;
  padding-left: 1.25rem;
  text-indent: -1.25rem;
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.75;
  text-align: left;
}

.academic-citation strong {
  font-weight: 700;
}

.presentation-showcase > h3 {
  margin-bottom: 0.8rem;
  text-align: left;
}

.presentation-statement {
  width: 100%;
  max-width: 900px;
  margin: 0 auto 1.4rem;
  font-size: clamp(0.98rem, 1.25vw, 1.15rem) !important;
  text-align: center;
}

@media screen and (min-width: 1200px) {
  .presentation-statement {
    width: max-content;
    max-width: calc(100vw - 4rem);
    margin-left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
  }
}

.presentation-carousel {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

@media screen and (min-width: 901px) {
  .presentation-carousel {
    max-width: 630px;
  }

  .teaching-carousel {
    max-width: 520px;
  }
}

.presentation-carousel figure {
  margin: 0;
}

.presentation-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
  touch-action: pan-y;
}

.presentation-slide {
  position: absolute;
  inset: 0;
  visibility: hidden;
  opacity: 0;
  transition:
    opacity 0.45s ease,
    visibility 0s linear 0.45s;
}

.presentation-slide.is-active {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.presentation-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.presentation-slide.is-contain img {
  object-fit: contain;
}

.presentation-caption {
  min-height: 4.5em;
  margin-top: 0.65rem;
  color: rgba(10, 18, 42, 0.7);
  font-size: 0.9rem;
  line-height: 1.5;
  text-align: center;
}

.presentation-caption span {
  display: block;
}

.presentation-caption span:first-child {
  color: var(--navy);
  font-weight: 600;
}

.presentation-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 0.25rem;
}

.presentation-arrow,
.presentation-dot {
  display: grid;
  min-width: 0;
  margin: 0;
  padding: 0;
  place-items: center;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  color: rgba(10, 18, 42, 0.62) !important;
  transform: none !important;
}

.presentation-arrow {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0;
  font-family: Georgia, serif;
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1;
}

.presentation-dots {
  display: flex;
  align-items: center;
  gap: 0.05rem;
}

.presentation-dot {
  width: 2rem;
  height: 2.75rem;
  border-radius: 50%;
}

.presentation-dot::before {
  width: 0.45rem;
  height: 0.45rem;
  background: rgba(10, 18, 42, 0.5);
  border-radius: 50%;
  content: "";
}

.presentation-dot.is-active::before {
  background: var(--clay);
}

.presentation-arrow:hover,
.presentation-arrow:focus-visible {
  color: var(--clay) !important;
}

/* =========================================
   AWARDS AND RECOGNITION
   ========================================= */

#awards {
  padding: clamp(3.25rem, 4vw, 4.75rem) 2rem;
  background: var(--paper);
}

.awards-section {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
}

.awards-header {
  width: min(100%, 900px);
  margin: 0 auto 1.5rem;
  text-align: center;
}

.awards-header h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(2.4rem, 4vw, 4.2rem);
}

.awards-header p {
  max-width: 680px;
  margin: 0 auto;
  font-style: normal;
}

/* =========================================
   SKILLS
   ========================================= */

#skills {
  padding: clamp(3.25rem, 4vw, 4.75rem) 2rem;
  background: var(--navy);
  color: var(--paper);
}

#skills h2,
#skills h3,
#skills p,
#skills span,
#skills strong {
  color: var(--paper);
}

#skills .section-kicker {
  color: var(--sand) !important;
}

.skills-section {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
}

.skills-header {
  max-width: 760px;
  margin-inline: 0;
  margin-bottom: 2.4rem;
  text-align: left;
}

.skills-header h2 {
  margin-bottom: 0.65rem;
  font-size: clamp(2.4rem, 4vw, 4rem);
}

.skills-header > p:not(.section-kicker) {
  color: rgba(251, 250, 248, 0.72) !important;
}

.skills-category {
  margin-bottom: 2.25rem;
}

.skills-category:last-child {
  margin-bottom: 0;
}

.skills-category h3 {
  margin-bottom: 1.2rem;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 1.05rem;
  letter-spacing: 0;
  text-align: center;
}

.skills-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

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

.skill-card {
  min-height: 96px;
  padding: 1.15rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(251, 250, 248, 0.035);
  border: 1px solid var(--line-light);
  border-radius: 10px;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.98rem;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.skill-card:hover {
  transform: translateY(-2px);
  background: rgba(128, 78, 73, 0.18);
  border-color: rgba(231, 222, 205, 0.6);
}

.skill-card > i {
  flex: 0 0 38px;
  width: 38px;
  color: var(--sand);
  font-size: 1.75rem;
  line-height: 1;
  text-align: center;
}

.skill-card-image {
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.88;
}

.skill-card span {
  line-height: 1.25;
  text-align: left;
}

.interactive-skill {
  position: relative;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.interactive-skill .skill-description {
  position: absolute;
  flex: 0 0 100%;
  width: 100%;
  max-height: 0;
  margin: 0;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  font-family: "Gelasio", Georgia, serif;
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.55;
  overflow-wrap: anywhere;
  text-align: left;
  transition:
    max-height 0.25s ease,
    margin-top 0.25s ease,
    opacity 0.2s ease,
    visibility 0s linear 0.25s;
}

.interactive-skill.is-active .skill-description {
  position: static;
  max-height: 20rem;
  margin-top: 0.75rem;
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.interactive-skill.is-active {
  align-self: start;
  flex-wrap: wrap;
}

#skills .skill-card .skill-description {
  color: rgba(251, 250, 248, 0.86);
  font-family: "Atkinson Hyperlegible", Arial, sans-serif;
  font-weight: 400;
}

.skill-card.is-active {
  background: rgba(128, 78, 73, 0.2);
  border-color: rgba(231, 222, 205, 0.68);
  box-shadow:
    0 0 0 1px rgba(231, 222, 205, 0.12),
    0 0 20px rgba(128, 78, 73, 0.24);
}

/* =========================================
   CORE COMPETENCIES
   ========================================= */

#competencies {
  padding: clamp(2.25rem, 3vw, 3rem) 2rem;
  background: var(--sand);
}

.competencies-inner {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
}

.competencies-inner h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.9rem, 2.7vw, 2.7rem);
}

.competencies-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.competencies-grid li {
  display: flex;
  min-width: 0;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.7rem 0.9rem;
  background: rgba(251, 250, 248, 0.42);
  border: 1px solid rgba(10, 18, 42, 0.18);
  border-radius: 8px;
  color: var(--navy);
  font-family: "Gelasio", Georgia, serif;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  overflow-wrap: anywhere;
  text-align: center;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.competencies-grid li > i {
  flex: 0 0 1rem;
  width: 1rem;
  color: var(--clay);
  font-size: 0.85rem;
  line-height: 1;
  text-align: center;
}

.competencies-grid li > span {
  min-width: 0;
  text-align: center;
}

.competencies-grid li .skill-description {
  color: rgba(10, 18, 42, 0.82);
}

.competencies-grid li.is-active {
  background: rgba(251, 250, 248, 0.72);
  border-color: rgba(128, 78, 73, 0.5);
  box-shadow:
    0 0 0 1px rgba(128, 78, 73, 0.1),
    0 0 18px rgba(128, 78, 73, 0.18);
}

@media (hover: hover) and (pointer: fine) {
  .competencies-grid li:hover {
    transform: translateY(-1px);
    background: rgba(251, 250, 248, 0.68);
    border-color: rgba(128, 78, 73, 0.48);
  }
}

@media screen and (max-width: 900px) {
  .competencies-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media screen and (max-width: 520px) {
  #competencies {
    padding: 2rem 1.25rem;
  }

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

/* =========================================
   EXPERIENCE — CONNECTED TIMELINE
   ========================================= */

#experience {
  padding: clamp(3.25rem, 4vw, 4.75rem) 2rem;
}

.experience-inner {
  --experience-copy-offset: calc(88px + 24px + 2rem);
  width: min(100%, 1080px);
  margin: 0 auto;
}

.experience-header-split {
  display: block;
  padding-left: var(--experience-copy-offset);
  margin-bottom: clamp(2.5rem, 3.5vw, 3.25rem);
}

.experience-header-split .section-kicker {
  margin: 0 0 0.65rem;
}

.experience-header-split h2 {
  max-width: 17ch;
  margin: 0 0 0.65rem;
  font-size: clamp(2.35rem, 3.6vw, 3.75rem);
  line-height: 1.08;
}

.experience-header-split > div > p {
  max-width: 660px;
  margin: 0;
  color: rgba(10, 18, 42, 0.7);
}

@media screen and (min-width: 901px) {
  .experience-header-split > div > p {
    max-width: none;
    white-space: nowrap;
  }
}

.experience-timeline {
  --experience-year-col: 88px;
  --experience-marker-col: 24px;
  --experience-gap: 1rem;
  --experience-line-x: calc(
    var(--experience-year-col) + var(--experience-gap) +
      (var(--experience-marker-col) / 2)
  );

  position: relative;
}

.experience-timeline::before {
  content: "";
  position: absolute;
  top: 0.65rem;
  bottom: 0.65rem;
  left: var(--experience-line-x);
  width: 1px;
  background: rgba(128, 78, 73, 0.48);
  transform: translateX(-50%);
}

.experience-milestone {
  display: grid;
  grid-template-columns:
    var(--experience-year-col)
    var(--experience-marker-col)
    minmax(0, 1fr);
  column-gap: var(--experience-gap);
  position: relative;
  padding-bottom: clamp(2.3rem, 3.5vw, 3.25rem);
}

.experience-milestone-last {
  padding-bottom: 0;
}

.experience-year {
  padding-top: 0.08rem;
  color: var(--clay);
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.45;
  text-align: right;
}

.experience-marker {
  position: relative;
  z-index: 2;
  width: 12px;
  height: 12px;
  margin: 0.36rem auto 0;
  background: var(--paper);
  border: 2px solid var(--navy);
  border-radius: 50%;
}

.experience-content {
  max-width: 760px;
  min-width: 0;
}

.experience-role-heading {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.experience-role-heading > i {
  flex: 0 0 1.25rem;
  width: 1.25rem;
  margin-top: 0.25rem;
  color: var(--clay);
  font-size: 1rem;
  text-align: center;
}

.experience-role-heading h3 {
  margin: 0 0 0.18rem;
  color: var(--navy);
  font-size: 1.22rem;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.experience-meta {
  margin: 0;
  color: rgba(10, 18, 42, 0.64);
  font-family: "Gelasio", Georgia, serif;
  font-size: 0.95rem;
  line-height: 1.5;
}

.experience-story {
  max-width: 680px;
  margin: 0 0 0 2.05rem;
  text-align: left;
}

.experience-story h4 {
  margin: 0 0 0.55rem;
  color: var(--clay);
  font-size: 1.03rem;
  letter-spacing: -0.018em;
  line-height: 1.4;
}

.experience-story p {
  margin: 0;
  line-height: 1.72;
}

/* =========================================
   IMPACT IN NUMBERS
   ========================================= */

#impact {
  padding: clamp(3.25rem, 4vw, 4.75rem) 2rem;
  background: var(--clay);
  color: var(--paper);
}

.impact-inner {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
  overflow: hidden;
}

.impact-header {
  max-width: 900px;
  margin-inline: auto;
  margin-bottom: 1.75rem;
  text-align: center;
}

#impact .section-kicker {
  margin-inline: auto;
  color: var(--sand) !important;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  text-align: center;
}

.impact-header h2 {
  max-width: 900px;
  margin: 0 auto;
  color: var(--paper);
  font-family: "Domine", Georgia, serif;
  font-size: clamp(2.2rem, 3.8vw, 3.8rem);
  line-height: 1.1;
  text-align: center;
  text-wrap: balance;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.impact-stat {
  min-width: 0;
  min-height: 190px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(10, 18, 42, 0.12);
  border: 1px solid rgba(251, 250, 248, 0.2);
  border-radius: var(--radius);
  text-align: left;
}

.impact-number {
  display: block;
  color: var(--paper) !important;
  font-family: "Domine", Georgia, serif;
  font-size: clamp(2.6rem, 4vw, 4.25rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.impact-stat span {
  max-width: 16ch;
  color: var(--sand);
  font-family: "Gelasio", Georgia, serif;
  font-size: 0.93rem;
  font-weight: 500;
  line-height: 1.45;
}

/* =========================================
   GALLERY
   ========================================= */

#gallery {
  padding: clamp(2.75rem, 4vw, 4rem) 2rem;
}

#gallery > .inner {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
  padding: 0;
}

.gallery-header {
  margin-bottom: 1.25rem;
}

.gallery-header h2 {
  margin-bottom: 0.4rem;
  font-size: clamp(2rem, 3vw, 3rem);
  text-align: center;
}

.gallery-header p {
  margin: 0;
  color: rgba(10, 18, 42, 0.68);
  font-size: 0.98rem;
  text-align: center;
}

.gallery-strip {
  display: flex;
  gap: 0.9rem;
  margin: 0;
  padding: 0 0 0.7rem;
  overflow-x: auto;
  overflow-y: hidden;
  list-style: none;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  scrollbar-color: rgba(128, 78, 73, 0.62) rgba(10, 18, 42, 0.08);
  scrollbar-width: thin;
  overscroll-behavior-inline: contain;
  touch-action: pan-x;
  -webkit-overflow-scrolling: touch;
}

.gallery-strip::-webkit-scrollbar {
  height: 7px;
}

.gallery-strip::-webkit-scrollbar-track {
  background: rgba(10, 18, 42, 0.08);
}

.gallery-strip::-webkit-scrollbar-thumb {
  background: rgba(128, 78, 73, 0.62);
  border-radius: 7px;
}

.gallery-item {
  flex: 0 0 clamp(180px, 18vw, 220px);
  min-width: 0;
  padding: 0;
  scroll-snap-align: start;
}

.gallery-item figure {
  margin: 0;
}

.gallery-trigger {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  padding: 0;
  overflow: hidden;
  appearance: none;
  background: transparent;
  border: 1px solid rgba(10, 18, 42, 0.24) !important;
  border-radius: 8px;
  box-shadow: none;
  cursor: pointer;
  line-height: 0;
  transform: none;
}

.gallery-trigger:hover {
  border-color: rgba(10, 18, 42, 0.42) !important;
  transform: none;
}

.gallery-trigger img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  transform: scale(1);
  transition: transform 0.22s ease;
}

@media (hover: hover) and (pointer: fine) {
  .gallery-trigger:hover img {
    transform: scale(1.025);
  }
}

.gallery-item figcaption {
  margin-top: 0.4rem;
  color: rgba(10, 18, 42, 0.68);
  font-size: 0.82rem;
  line-height: 1.25;
  text-align: center;
}

body.gallery-lightbox-open {
  overflow: hidden;
}

dialog.gallery-lightbox {
  width: min(94vw, 1200px);
  max-width: none;
  max-height: 94svh;
  padding: 3rem;
  overflow: visible;
  background: var(--paper);
  border: 1px solid rgba(10, 18, 42, 0.24);
  border-radius: var(--radius);
  box-shadow: none;
}

.gallery-lightbox-panel {
  display: grid;
  place-items: center;
}

.gallery-lightbox-image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: calc(94svh - 6rem);
  object-fit: contain;
  border-radius: 4px;
}

.gallery-lightbox-close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 2;
  display: grid;
  width: 2.5rem;
  min-width: 2.5rem;
  max-width: none;
  height: 2.5rem;
  padding: 0;
  place-items: center;
  background: var(--navy) !important;
  border: 1px solid var(--navy) !important;
  border-radius: 4px;
  color: var(--paper) !important;
  line-height: 1;
}

.gallery-lightbox-close:hover {
  background: var(--clay) !important;
  border-color: var(--clay) !important;
  color: var(--paper) !important;
  transform: none;
}

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

#contact .inner {
  width: min(100%, 760px);
}

#contact h2 {
  font-size: clamp(2.2rem, 3.5vw, 3.6rem);
}

.contact-intro {
  max-width: 580px;
  margin: 0 auto 0.55rem;
  text-align: center;
}

.contact-email-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 0 auto 1rem;
}

.contact-email {
  min-width: 0;
  margin: 0;
  font-family: "IBM Plex Mono", "Courier New", monospace;
  font-size: 0.92rem;
  overflow-wrap: anywhere;
  text-align: center;
}

.contact-email span {
  display: block;
  margin-top: 0.15rem;
  color: rgba(10, 18, 42, 0.6);
  font-family: "Gelasio", Georgia, serif;
  font-size: 0.8rem;
  line-height: 1.4;
}

.contact-form-intro {
  margin: 0 0 0.7rem;
  color: rgba(10, 18, 42, 0.72);
  text-align: center;
}

.contact-form-status {
  margin: 1rem 0 0;
  color: var(--navy);
  font-family: "Gelasio", Georgia, serif;
  line-height: 1.5;
  text-align: center;
}

.required-text {
  font-size: 0.78em;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="tel"],
select,
textarea {
  background: rgba(231, 222, 205, 0.32) !important;
  border-color: rgba(10, 18, 42, 0.5) !important;
  color: var(--navy) !important;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
  border-color: var(--clay) !important;
  box-shadow: 0 0 0 1px var(--clay) !important;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline-color: var(--navy) !important;
}

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

footer.wrapper {
  background: var(--navy);
  color: rgba(251, 250, 248, 0.78);
}

footer.wrapper p,
footer.wrapper span {
  color: rgba(251, 250, 248, 0.78);
}

footer.wrapper > .inner > p {
  font-family: "Gelasio", Georgia, serif;
}

footer.wrapper a,
footer.wrapper .icon,
footer.wrapper .social-placeholder {
  color: var(--sand) !important;
}

footer.wrapper a:hover,
footer.wrapper .icon:hover {
  color: var(--paper) !important;
}

footer.wrapper .footer-email-link {
  position: relative;
  z-index: 1;
  display: inline-block;
  width: 2.75em;
  height: 2.75em;
  pointer-events: auto;
  cursor: pointer;
}

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

@media screen and (max-width: 1100px) {
  #site-nav {
    top: 1rem;
    left: 1rem;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }

  #site-nav::before {
    inset: 0.35rem -0.38rem;
  }

  #site-nav-toggle {
    display: inline-flex;
    min-width: 0;
    height: auto;
    min-height: 2.75rem;
    margin: 0;
    padding: 0.65rem 0;
    align-items: center;
    gap: 0.45rem;
    appearance: none;
    background: transparent !important;
    border: 0 !important;
    border-radius: 0;
    box-shadow: none !important;
    color: inherit !important;
    font-family: inherit;
    font-size: inherit;
    font-weight: inherit;
    letter-spacing: inherit;
    line-height: 1;
    text-transform: inherit;
    transform: none !important;
  }

  #site-nav-toggle:hover {
    color: inherit !important;
    transform: none !important;
  }

  .site-nav-links {
    position: absolute;
    top: 2.6rem;
    left: -0.75rem;
    display: flex;
    min-width: 10.5rem;
    max-height: calc(100svh - 4rem);
    padding: 0.2rem 0.75rem 0.4rem;
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--site-nav-surface);
    border-radius: 6px;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-0.25rem);
    transition:
      opacity 0.15s ease,
      transform 0.15s ease,
      visibility 0s linear 0.15s;
  }

  #site-nav.is-open .site-nav-links {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .site-nav-links a {
    display: flex;
    min-height: 2.75rem;
    align-items: center;
    color: inherit;
  }

  .site-nav-separator {
    display: none;
  }

  .education-timeline-content,
  .education-degree-content,
  .research-intro-grid > *,
  .skill-card,
  .experience-content,
  .impact-stat {
    min-width: 0;
  }

  .banner.style1 .content {
    width: 52%;
    padding: 5rem 3.5rem;
  }

  .banner.style1 .image {
    width: 48%;
  }

  #first > .content {
    width: 58%;
    padding-left: 3.5rem;
    padding-right: 3.5rem;
  }

  #first > .image {
    width: 42%;
    max-width: none;
    height: auto;
    min-height: 0;
  }

  .education-institution-group {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 2.5rem;
  }

  .research-intro-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
    gap: 2.5rem;
  }

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

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

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

/* Match the base theme's portrait reflow without retaining desktop widths. */
@media screen and (max-width: 1100px) and (orientation: portrait) {
  .banner.style1,
  #first {
    flex-direction: column !important;
  }

  .banner.style1 {
    min-height: auto;
  }

  .banner.style1 .content,
  #first > .content {
    width: 100%;
    max-width: none;
    padding: 4.5rem 2.5rem;
  }

  .banner.style1 .image,
  #first > .image {
    width: 100%;
    max-width: none;
  }

  .banner.style1 .image {
    height: min(58vw, 560px);
    min-height: 360px;
    max-height: 560px;
  }

  #first > .image {
    height: clamp(380px, 62vw, 640px);
    min-height: 0;
  }
}

@media screen and (max-width: 900px) {
  .gallery-item {
    flex-basis: clamp(180px, 28vw, 220px);
  }

  .banner.style1,
  #first {
    flex-direction: column !important;
  }

  .banner.style1 {
    min-height: auto;
  }

  .banner.style1 .content,
  #first > .content {
    width: 100%;
    max-width: none;
    padding: 4.5rem 2.5rem;
  }

  .banner.style1 .image {
    width: 100%;
    min-width: 0;
    height: min(58vw, 560px);
    min-height: 360px;
    max-height: 560px;
  }

  #first > .image {
    width: 100%;
    max-width: none;
    height: clamp(380px, 62vw, 640px);
    min-height: 0;
    margin: 0;
    border-radius: 0;
  }

  #first > .image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 24%;
  }

  .banner.style1 .content {
    min-height: auto !important;
  }

  .banner .content h1 {
    max-width: 10ch;
    font-size: clamp(3.1rem, 7.5vw, 4.8rem);
  }

  .about-content h2 {
    max-width: 18ch;
  }

  .education-header-split {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.65rem;
  }

  .education-header-split .section-kicker {
    margin-top: 0;
  }

  .education-header-split h2 {
    max-width: 18ch;
    white-space: normal;
  }

  .education-institution-group {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 2rem;
  }

  .research-intro-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2.75rem;
  }

  .research-header {
    max-width: 720px;
  }

  .research-photo {
    max-width: 760px;
  }

  .experience-header-split {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .experience-header-split .section-kicker {
    margin-top: 0;
  }

  .experience-header-split h2 {
    max-width: 18ch;
  }
}

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


/*
  Browser zoom-out behaves like a wider CSS viewport. Increase the focal crop
  progressively on wide/ultra-wide viewports so the subject does not shrink
  into the scenery.
*/
@media screen and (min-width: 1600px) {
  .banner.style1 .image img,
  .hero-photo {
    transform: scale(1.2);
  }
}

@media screen and (min-width: 2200px) {
  .banner.style1 .image img,
  .hero-photo {
    transform: scale(1.3);
  }
}

@media screen and (min-width: 3000px) {
  .banner.style1 .image img,
  .hero-photo {
    transform: scale(1.42);
  }
}

/* Tablet: keep a modest crop rather than showing the entire landscape. */
@media screen and (max-width: 900px) {
  .banner.style1 .image img,
  .hero-photo {
    object-position: 66% 48%;
    transform: scale(1.08);
    transform-origin: 66% 52%;
  }
}

/* Phone: use a lighter crop because the image itself becomes full-width. */
@media screen and (max-width: 520px) {
  .banner.style1 .image img,
  .hero-photo {
    object-position: 64% 48%;
    transform: scale(1.04);
  }
}

@media screen and (max-width: 736px) {
  dialog {
    max-height: calc(100svh - 2rem);
    padding: 1.5rem;
    overflow-y: auto;
  }

  #external-nav {
    top: 0.85rem;
    right: 1rem;
    gap: 0.38rem;
    padding: 0;
  }

  #site-nav {
    top: 0.55rem;
  }

  #external-nav a {
    width: 1.85rem;
    height: 1.85rem;
    font-size: 0.94rem;
  }

  .banner.style1 .content,
  #first > .content {
    padding: 3.5rem 1.5rem 2.5rem;
  }

  .banner.style1 .image {
    height: 47vh;
    min-height: 280px;
    max-height: 410px;
  }

  #first > .image {
    width: 100%;
    height: clamp(290px, 76vw, 460px);
    margin: 0;
  }

  .banner .content h1 {
    font-size: clamp(2.8rem, 12.5vw, 4rem);
  }

  .banner .content .major {
    min-height: 2.8em;
    font-size: 1.05rem;
  }

  .banner .button.big,
  .about-actions .button,
  .about-actions button {
    width: 100%;
    min-width: 0;
  }

  .about-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    margin-top: 1.5rem;
  }

  .about-content h2 {
    margin-bottom: 1rem;
  }

  .about-content > p:not(.section-kicker) {
    margin-bottom: 1.1rem;
  }

  .experience-role-heading > div,
  #contact .fields,
  #contact .field,
  #contact input,
  #contact textarea {
    min-width: 0;
  }

  .academic-citation,
  .experience-meta,
  .skill-card span {
    overflow-wrap: anywhere;
  }

  #education {
    padding: 3.1rem 1.25rem;
  }

  .education-section {
    --education-copy-offset: calc(54px + 20px + 1.4rem);
  }

  .education-header-split {
    margin-bottom: 2.5rem;
  }

  .education-header-split h2 {
    font-size: clamp(2.25rem, 9vw, 3.3rem);
  }

  .education-institution-group {
    display: block;
  }

  .education-timeline {
    --year-col: 54px;
    --marker-col: 20px;
    --timeline-gap: 0.7rem;
  }

  .education-year {
    font-size: 0.74rem;
  }

  .education-marker {
    width: 10px;
    height: 10px;
    margin-top: 0.4rem;
  }

  .education-degree {
    font-size: 1.13rem;
  }

  .education-degree-meta {
    margin-bottom: 0.7rem;
  }

  .education-degree-content h3 {
    margin-bottom: 0.4rem;
  }

  .education-milestone {
    padding-bottom: 2.1rem;
  }

  .education-milestone:last-child,
  .education-milestone-last {
    padding-bottom: 0;
  }

  .education-degree-content > p:last-child {
    font-size: 0.98rem;
  }

  .education-transition {
    height: 3.6rem;
  }

  .education-plane {
    font-size: 0.92rem;
  }

  .education-commencement {
    margin-top: 3rem;
  }

  .education-commencement-photo {
    border-radius: 10px;
  }

  #research,
  #skills,
  #experience,
  #impact,
  #awards,
  #gallery {
    padding: 2.75rem 1.25rem;
  }

  .awards-header {
    margin-bottom: 1.25rem;
  }

  .research-header {
    margin-bottom: 0;
  }

  .experience-header {
    margin-bottom: 2rem;
  }

  .research-intro-grid {
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .research-photo img {
    width: 100%;
    height: auto;
    border-radius: 10px;
  }

  .research-interests {
    margin-bottom: 2.1rem;
  }

  .research-interests > h3 {
    margin-bottom: 1rem;
  }

  .academic-work-section {
    margin-bottom: 2rem;
  }

  .academic-work-section > h3 {
    margin-bottom: 1rem;
    padding-bottom: 0.55rem;
  }

  .academic-citation {
    margin-bottom: 1rem;
  }

  .presentation-viewport {
    border-radius: 10px;
  }

  .presentation-caption {
    min-height: 5.4em;
    margin-top: 0.55rem;
    font-size: 0.86rem;
  }

  .presentation-controls {
    margin-top: 0.1rem;
  }

  .research-interest-list {
    gap: 0.85rem 1.35rem;
  }

  .research-interest-list li {
    flex: 0 1 auto;
  }

  .experience-header-split {
    margin-bottom: 2rem;
  }

  .experience-timeline {
    --experience-year-col: 60px;
    --experience-marker-col: 20px;
    --experience-gap: 0.7rem;
  }

  .experience-inner {
    --experience-copy-offset: calc(60px + 20px + 1.4rem);
  }

  .experience-year {
    font-size: 0.72rem;
  }

  .experience-marker {
    width: 10px;
    height: 10px;
    margin-top: 0.4rem;
  }

  .experience-story {
    margin-left: 0;
  }

  .experience-role-heading {
    gap: 0.65rem;
    margin-bottom: 0.7rem;
  }

  .experience-story h4 {
    margin-bottom: 0.4rem;
  }

  .experience-milestone {
    padding-bottom: 1.85rem;
  }

  .experience-milestone-last {
    padding-bottom: 0;
  }

  .academic-citation {
    padding-left: 0.9rem;
    text-indent: -0.9rem;
    font-size: 0.94rem;
  }

  .skills-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .skills-header {
    margin-bottom: 1.8rem;
  }

  .skills-category {
    margin-bottom: 1.65rem;
  }

  .skills-category h3 {
    margin-bottom: 0.85rem;
  }

  .skill-card {
    min-height: 82px;
    padding: 0.9rem 1rem;
  }

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

  .impact-stat {
    min-height: 145px;
    padding: 1.1rem;
  }

  .impact-header {
    margin-bottom: 1.3rem;
  }

  .impact-grid {
    gap: 0.75rem;
  }
}

@media screen and (max-width: 900px) and (max-height: 600px) and (orientation: landscape) {
  .banner.style1 .image {
    height: 55svh;
    min-height: 280px;
  }

  #first > .image {
    height: min(70svh, 420px);
    min-height: 280px;
  }
}

@media screen and (max-width: 520px) {
  .gallery-item {
    flex-basis: clamp(160px, 58vw, 230px);
  }

  dialog.gallery-lightbox {
    width: calc(100vw - 1rem);
    max-height: calc(100svh - 1rem);
    padding: 2.75rem 0.75rem 0.75rem;
  }

  .gallery-lightbox-image {
    max-height: calc(100svh - 4.5rem);
  }

  .skills-card-grid,
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .research-interest-list {
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
  }

  .research-interest-list li {
    justify-content: center;
    text-align: center;
  }

  .impact-stat {
    min-height: 125px;
  }

  .skill-card {
    min-height: 82px;
  }

  .impact-stat span {
    max-width: none;
  }
}

@media screen and (max-width: 430px) {
  .education-section {
    --education-copy-offset: calc(46px + 18px + 1.1rem);
  }

  .education-timeline {
    --year-col: 46px;
    --marker-col: 18px;
    --timeline-gap: 0.55rem;
  }

  .education-year {
    font-size: 0.68rem;
  }

  .education-degree-meta {
    font-size: 0.78rem;
  }

  .education-degree-content h3 {
    font-size: 0.98rem;
  }

  .education-institution-logo {
    flex-basis: 144px;
    width: 144px;
    height: 144px;
  }

  .experience-timeline {
    --experience-year-col: 52px;
    --experience-marker-col: 18px;
    --experience-gap: 0.55rem;
  }

  .experience-inner {
    --experience-copy-offset: calc(52px + 18px + 1.1rem);
  }

  .experience-year {
    font-size: 0.68rem;
  }

  .experience-role-heading h3 {
    font-size: 1.08rem;
  }
}

@media screen and (max-width: 736px) {
  .contact-email-list {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  #contact > .inner {
    padding-top: 2.75rem;
    padding-bottom: 2rem;
  }

  footer.wrapper > .inner {
    padding-top: 1.75rem;
    padding-bottom: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .typed-cursor,
  .typewriter-cursor {
    display: none !important;
  }

  .is-inactive,
  .is-inactive > .image img,
  [class*="fade-in"] {
    opacity: 1 !important;
    transform: none !important;
  }

  .gallery-strip {
    scroll-behavior: auto;
  }

  .gallery-trigger img {
    transform: none !important;
  }
}

@media (forced-colors: active) {
  :where(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid CanvasText !important;
    box-shadow: none !important;
  }
}