:root{
  --bg: #ffffff;
  --surface: #fbfbfb;
  --surface2:#f6f6f6;
  --text:#111111;
  --muted:#5b5b5b;
  --muted2:#7b7b7b;
  --border:#e7e7e7;
  --border2:#dedede;
  --shadow: 0 10px 25px rgba(0,0,0,.06);
  --shadow2: 0 4px 14px rgba(0,0,0,.05);
  --accent:#111111;
  --accent2:#2b2b2b;
  --ring: rgba(17,17,17,.12);
  --radius: 20px;
  --radius2: 14px;
  --max: 1120px;
  --pad: 24px;
  --pad2: 18px;
  --gap: 18px;
  --gap2: 12px;
  --lh: 1.65;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
          Roboto, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", Arial, sans-serif;
  --github: #000000;
  --linkedin: #0a66c2;
}

html[data-theme="dark"]{
  --bg:#0c0c0c;
  --surface:#111111;
  --surface2:#151515;
  --text:#f2f2f2;
  --muted:#c2c2c2;
  --muted2:#a8a8a8;
  --border:#242424;
  --border2:#2b2b2b;
  --shadow: 0 12px 30px rgba(0,0,0,.55);
  --shadow2: 0 6px 18px rgba(0,0,0,.45);
  --accent:#f2f2f2;
  --accent2:#dcdcdc;
  --ring: rgba(242,242,242,.12);
  --github: #000000;
  --linkedin: #0a66c2;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: var(--lh);
  font-size: 17px;
  letter-spacing: -0.2px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; }
img{ max-width: 100%; display:block; }

.shell{
  min-height: 100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding: 26px 18px 52px;
  gap: 22px;
}

.topbar{
  width: min(var(--max), 100%);
  position: sticky;
  top: 14px;
  z-index: 10;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  backdrop-filter: blur(14px);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.brand{
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.brand:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px var(--ring);
  border-color: var(--border2);
}

.nav{
  display:flex;
  gap: 4px;
  align-items:center;
  flex-wrap: wrap;
  justify-content:center;
}

.navbtn{
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  cursor:pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.navbtn:hover{
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border);
}
.navbtn[aria-current="page"]{
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border2);
}
.navbtn:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px var(--ring);
  border-color: var(--border2);
  color: var(--text);
}

.actions{
  display:flex;
  align-items:center;
  gap: 8px;
}

.iconbtn{
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor:pointer;
  display:grid;
  place-items:center;
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.iconbtn:hover{
  background: var(--surface2);
  border-color: var(--border2);
  transform: translateY(-1px);
}
.iconbtn:active{ transform: translateY(0px); }
.iconbtn:focus-visible{
  outline:none;
  box-shadow: 0 0 0 4px var(--ring);
  border-color: var(--border2);
}

.iconSvg{ width: 18px; height: 18px; }

.lang{
  position: relative;
}
.langbtn{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 10px 12px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor:pointer;
  color: var(--muted);
  transition: background .15s ease, border-color .15s ease, color .15s ease;
  font-size: 15px;
}
.langbtn:hover{
  background: var(--surface2);
  border-color: var(--border2);
  color: var(--text);
}
.langbtn:focus-visible{
  outline:none;
  box-shadow: 0 0 0 4px var(--ring);
  border-color: var(--border2);
  color: var(--text);
}

.langmenu{
  position:absolute;
  right: 0;
  top: 46px;
  min-width: 180px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 8px;
  display:none;
}
.langmenu.open{ display:block; }

.langopt{
  width:100%;
  text-align:left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  padding: 10px 10px;
  border-radius: 12px;
  cursor:pointer;
  font-size: 14px;
  transition: background .15s ease, border-color .15s ease;
}
.langopt:hover{
  background: var(--surface2);
  border-color: var(--border);
}
.langopt:focus-visible{
  outline:none;
  box-shadow: 0 0 0 4px var(--ring);
  border-color: var(--border2);
}

.main{
  width: min(var(--max), 100%);
  display:flex;
  flex-direction:column;
  gap: 64px;
  padding-top: 16px;
}

.section{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 32px;
  box-shadow: var(--shadow2);
}

.profileSection{
  position: relative;
  overflow: hidden;
  padding: 40px 36px;
  border-color: var(--border2);
  background:
    radial-gradient(320px circle at 12% 18%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%),
    radial-gradient(260px circle at 88% 8%, color-mix(in srgb, var(--accent2) 10%, transparent), transparent 72%),
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface) 88%, transparent),
      color-mix(in srgb, var(--surface2) 94%, transparent)
    );
  box-shadow: var(--shadow);
}

.sectionHeader{
  display:flex;
  flex-direction:column;
  gap: 8px;
  margin-bottom: 18px;
}
.sectionTitle{
  display:flex;
  align-items:center;
  gap: 10px;
}
.sectionTitle h2{ margin: 0; }
.iconInline{
  width: 18px;
  height: 18px;
  color: var(--muted2);
  flex: 0 0 auto;
}
.paperDetail .iconInline{
  width: 24px;
  height: 24px;
}
.githubIcon{ color: var(--github); }
.linkedinIcon{ color: var(--linkedin); }
.iconLabel{
  display:inline-flex;
  align-items:center;
  gap: 8px;
}

h1,h2,h3{ margin:0; }
h1{
  font-size: clamp(34px, 5vw, 56px);
  letter-spacing: -0.8px;
  line-height: 1.15;
}
h2{
  font-size: 28px;
  letter-spacing: -0.4px;
  line-height: 1.25;
}
h3{
  font-size: 20px;
  letter-spacing: -0.3px;
  line-height: 1.25;
}

.kicker{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.lead{
  margin: 10px 0 0;
  font-size: 18px;
  color: var(--muted);
  max-width: 60ch;
  white-space: normal;
}

.label{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.muted{ color: var(--muted); }
.big{ font-size: 24px; font-weight: 700; letter-spacing: -0.4px; }

.hero{
  padding: 40px 34px;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--surface) 70%, transparent),
    color-mix(in srgb, var(--surface2) 90%, transparent)
  );
}

.heroGrid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items:start;
}

.ctaRow{
  display:flex;
  gap: 14px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.btnPrimary, .btnGhost{
  border-radius: 999px;
  padding: 13px 18px;
  font-size: 16px;
  cursor:pointer;
  border: 1px solid var(--border2);
  transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btnPrimary{
  background: var(--accent);
  color: var(--bg);
  border-color: color-mix(in srgb, var(--accent) 75%, var(--border2));
}
.btnPrimary:hover{ transform: translateY(-1px); }
.btnPrimary:focus-visible{ outline:none; box-shadow: 0 0 0 4px var(--ring); }

.btnGhost{
  background: transparent;
  color: var(--text);
}
.btnGhost:hover{
  background: var(--surface2);
  transform: translateY(-1px);
}
.btnGhost:focus-visible{ outline:none; box-shadow: 0 0 0 4px var(--ring); }

.profileGrid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.card{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-radius: var(--radius2);
  padding: 18px;
  box-shadow: none;
}

.profileIntro{
  display:grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items:center;
  text-align: center;
}
.portraitWrap{
  width: 240px;
  aspect-ratio: 1/1;
  border-radius: 999px;
  border: 1px solid var(--border);
  overflow:hidden;
  background: var(--surface2);
  margin: 0 auto;
}
.portrait{ width:100%; height:100%; object-fit: cover; }

.profileInfo{
  display:flex;
  flex-direction:column;
  gap: 12px;
  max-width: 620px;
  margin: 0 auto;
}
.profileName{ font-size: 42px; }
.profileRole{
  color: var(--muted);
  font-size: 20px;
  margin-top: -4px;
}

.infoRow{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 12px;
  align-items:start;
  border-top: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  padding-top: 12px;
  text-align: left;
}
.infoRow .label{ min-width: 0; }
.link{
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--muted2) 50%, transparent);
}
.link:hover{ text-decoration-color: var(--text); }


.cardGrid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.card p{ margin: 8px 0 0; color: var(--muted); }
.paperDetail .card p{ margin: 12px 0 0; }
.paperDetail .summaryBlock p.muted{
  margin: 12px 0 0;
  font-size: 16px;
}
.paperDetail .summaryBlock .bullets{ margin: 12px 0 0; }
.paperDetail .summaryBlock h3{
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.25;
}
.paperDetail .summaryBlock h3:first-child{ margin-top: 0; }
#values .card p{ white-space: pre-line; }

.projectSlider{
  display:grid;
  gap: 12px;
}
.sliderControls{
  display:flex;
  justify-content:flex-end;
  gap: 8px;
}
.sliderBtn{
  width: 40px;
  height: 40px;
}
.sliderViewport{
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.sliderViewport::-webkit-scrollbar{
  height: 6px;
}
.sliderViewport::-webkit-scrollbar-track{
  background: color-mix(in srgb, var(--border) 45%, transparent);
  border-radius: 999px;
}
.sliderViewport::-webkit-scrollbar-thumb{
  background: color-mix(in srgb, var(--muted2) 45%, transparent);
  border-radius: 999px;
}
.sliderViewport{
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--muted2) 45%, transparent)
    color-mix(in srgb, var(--border) 45%, transparent);
  padding-bottom: 6px;
}
.sliderTrack{
  --slider-gap: 16px;
  display:flex;
  gap: var(--slider-gap);
  padding: 4px 2px 8px;
}
.projectCard{
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius2);
  padding: 0;
  text-align: left;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease, transform .12s ease;
  scroll-snap-align: start;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex: 0 0 var(--project-card-width, 320px);
}
.projectCard:hover{
  border-color: var(--border2);
  box-shadow: var(--shadow2);
  transform: translateY(-2px);
}
.projectCard:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px var(--ring);
  border-color: var(--border2);
}
.projectCard.is-active{
  border-color: var(--accent2);
  box-shadow: var(--shadow);
}
.projectTitle{
  padding: 12px 14px 16px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}
.projectThumb{
  width: 100%;
  height: 160px;
  object-fit: cover;
  object-position: center;
  display: block;
  background: var(--surface2);
}

.modalCard.modalWide{
  width: min(980px, 100%);
}
.projectModalBody{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}
.projectModalLeft{
  display: grid;
  gap: 12px;
}
.slideFrame{
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface2);
  height: 360px;
  display: grid;
  place-items: center;
}
.slideFrame img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}
.slideNote{
  color: #c1121f;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.1px;
  white-space: pre-line;
}
.slideLink{
  margin-top: -4px;
  font-size: 13px;
  display: grid;
  gap: 6px;
}
.slideControls{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.slideIndicator{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.projectModalRight{
  display: grid;
  align-content: start;
  gap: 10px;
}
.projectCopy{
  display: grid;
  gap: 14px;
}
.copyTitle{
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--text);
}
.copySection .muted{
  margin: 6px 0 0;
}

.projectList{
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.project{
  padding: 22px 22px 20px;
}

.projectTop{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 10px;
}


.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.bullets li{ margin: 6px 0; }

.paperGroup{
  display:grid;
  gap: 16px;
}
.paperGroupTitle{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-top: 6px;
}
.paperItem{
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  background: var(--surface);
  padding: 16px 18px;
  box-shadow: var(--shadow2);
}
.paperSummary{
  list-style: none;
  cursor: default;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.2px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  column-gap: 6px;
  width: 100%;
  text-align: left;
}
.paperTitle{
  display: block;
  min-width: 0;
  line-height: 1.4;
}
.paperDownload{
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface2);
  color: var(--text);
  flex: 0 0 auto;
  text-decoration: none;
  margin-left: 0;
  align-self: start;
}
.paperDownload:hover{
  border-color: var(--accent2);
  box-shadow: var(--shadow2);
}
.paperDownload svg{
  width: 18px;
  height: 18px;
}

.galleryDetails{
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface2);
  padding: 10px 12px;
  position: static;
  overflow: visible;
  width: 100%;
  max-width: 100%;
}
.miscCard{
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
.miscGroup{
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface2);
  padding: 14px 16px;
  box-shadow: var(--shadow2);
  width: 100%;
  min-width: 0;
}
.miscGroup .label{
  margin-top: 0;
}
.gallerySummary{
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  display:flex;
  align-items:center;
  gap: 8px;
}
.gallerySummary::-webkit-details-marker{ display:none; }
.gallerySummary::after{
  content: "+";
  margin-left: auto;
  color: var(--muted2);
}
.galleryDetails[open] .gallerySummary::after{ content: "–"; }
.galleryRow{
  margin-top: 10px;
  display:flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
  position: static;
  width: 100%;
  max-width: 100%;
}
.galleryThumb{
  width: 220px;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow2);
  flex: 0 0 auto;
  cursor: zoom-in;
}

.galleryModalCard{
  width: min(980px, 100%);
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  position: relative;
}
.galleryNav{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.galleryNav.prev{
  left: 8px;
}
.galleryNav.next{
  right: 8px;
}
.lightboxFrame{
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 10px;
}
.lightboxImage{
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 14px;
  display:block;
}
.galleryClose{
  position: absolute;
  top: -12px;
  right: -12px;
}
.paperBody{
  margin-top: 12px;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  padding-top: 12px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.paperJournal{
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}
.paperSummaryLink{
  align-self: flex-start;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent2);
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
  margin-top: 4px;
}
.paperSummaryLink:hover{
  background: var(--surface2);
  border-color: var(--border2);
}
.paperSummaryLink:focus-visible{
  outline: none;
  box-shadow: 0 0 0 3px var(--ring);
}
.paperDesc{
  margin: 8px 0 0;
  font-size: 14px;
}
.divider{
  height: 1px;
  background: var(--border);
  margin: 16px 0;
  opacity: 0.7;
}
.paperMetaList{
  margin-top: 10px;
  display:grid;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.footer{
  width: min(var(--max), 100%);
  padding: 20px 6px 0;
  color: var(--muted2);
  font-size: 14px;
  display:flex;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.modal{
  position: fixed;
  inset: 0;
  display:none;
  align-items:center;
  justify-content:center;
  background: rgba(0,0,0,.45);
  padding: 18px;
  z-index: 50;
}
.modal.open{ display:flex; }
.modalCard{
  width: min(760px, 100%);
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 18px;
}
.modalHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.chatShell{
  display:flex;
  flex-direction:column;
  gap: 12px;
}
.chatPage{
  width: min(var(--max), 100%);
  flex: 1;
}
.chatPageCard{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-radius: 18px;
  padding: 18px;
  display:flex;
  flex-direction:column;
  gap: 12px;
  min-height: 62vh;
}
.chatIntro{
  border: 1px solid var(--border);
  background: var(--surface2);
  border-radius: 14px;
  padding: 12px 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.chatChips{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chatChip{
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  cursor:pointer;
  transition: background .15s ease, transform .12s ease;
}
.chatChip:hover{ background: color-mix(in srgb, var(--surface) 70%, transparent); }
.chatChip:focus-visible{ outline:none; box-shadow: 0 0 0 4px var(--ring); }
.chatChip:active{ transform: translateY(1px); }
.chatLog{
  border: 1px solid var(--border);
  background: var(--surface2);
  border-radius: 16px;
  padding: 12px;
  min-height: 320px;
  max-height: 55vh;
  overflow-y: auto;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.chatPage .chatLog{
  flex: 1;
  max-height: none;
}
.chatMessage{
  max-width: 85%;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.55;
}
.chatMessage.bot{
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
}
.chatMessage.user{
  align-self: flex-end;
  background: var(--accent);
  color: var(--bg);
}
.chatComposer{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chatInput{
  flex:1;
  border: 1px solid var(--border2);
  background: var(--surface);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text);
}
.chatInput:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px var(--ring);
}
.chatSend{
  padding: 10px 16px;
  font-size: 14px;
  flex: 0 0 auto;
}
.chatHint{
  font-size: 13px;
}
.qaList{
  display:flex;
  flex-direction:column;
  gap: 10px;
  margin-top: 10px;
}
.qaItem{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--surface2);
}


/* 반응형: 좁은 화면에서는 요약 글자 크기 약간 축소 */
@media (max-width: 640px) {
  .paperAbstract {
    font-size: 0.9rem;
    max-width: 100%;
  }
}

@media (max-width: 980px){
  .heroGrid{ grid-template-columns: 1fr; }
  .profileGrid{ grid-template-columns: 1fr; }
  .cardGrid{ grid-template-columns: 1fr; }
  .profileIntro{ grid-template-columns: 1fr; }
  .sliderTrack{ grid-auto-columns: calc((100% - var(--slider-gap)) / 2); }
  .projectModalBody{ grid-template-columns: 1fr; }
  .slideFrame{ height: 300px; }
}

@media (max-width: 560px){
  .portraitWrap{ width: 180px; }
  .topbar{ border-radius: 18px; padding: 10px 12px; }
  .nav{ gap: 2px; }
  .projectThumb{ height: 150px; }
  .chatSend{ width: 100%; }
  .chatPageCard{ min-height: 58vh; }
  .galleryThumb{
    width: 180px;
    height: 120px;
  }
  .infoRow{
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (max-width: 640px){
  .sliderTrack{ grid-auto-columns: 100%; }
  .sliderControls{ justify-content: space-between; }
}