:root {
  --navy: #0b2135;
  --navy-deep: #071726;
  --navy-soft: #123750;
  --blue: #007eae;
  --blue-bright: #15b8d0;
  --aqua: #c9eef2;
  --paper: #f4f8f9;
  --white: #fff;
  --ink: #142d3d;
  --muted: #59717f;
  --line: #dce8ed;
  --sidebar: 292px;
  --head: 'Sora', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.65 var(--body); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:where(a,button):focus-visible { outline: 3px solid var(--blue-bright); outline-offset: 3px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 3000; padding: 12px 16px; background: #fff; color: var(--navy); font-weight: 700; border-radius: 0 0 8px 8px; }
.skip-link:focus { top: 0; }
.scroll-progress { position: fixed; z-index: 2500; top: 0; left: 0; height: 3px; width: 0; background: var(--blue-bright); }
.layout { min-height: 100vh; }

/* Navigation and identity */
.sidebar { position: fixed; z-index: 100; inset: 0 auto 0 0; width: var(--sidebar); overflow-y: auto; background: var(--navy); color: #e9f6fa; border-right: 1px solid rgba(255,255,255,.1); scrollbar-width: thin; }
.sidebar-inner { min-height: 100%; display: flex; flex-direction: column; gap: 24px; padding: 30px 25px 32px; }
.back-home { align-self: flex-start; color: #adc9d3; font-size: .78rem; letter-spacing: .03em; }
.back-home:hover { color: #fff; }
.profile-summary { display: flex; flex-direction: column; align-items: center; gap: 19px; padding-top: 6px; }
.profile-ring { width: 104px; height: 104px; padding: 5px; border: 1px solid rgba(80,213,230,.5); border-radius: 50%; box-shadow: 0 0 0 7px rgba(80,213,230,.06); }
.profile-img { width: 100%; height: 100%; object-fit: cover; object-position: center 24%; border-radius: 50%; background: #d1e7ee; }
.ring { display: none; }
.sidebar-name { text-align: center; }
.sidebar-name h2 { margin: 0 0 7px; font: 700 1.17rem/1.3 var(--head); letter-spacing: -.035em; }
.sidebar-role { display: block; color: #71d8e7; font-weight: 700; font-size: .8rem; line-height: 1.4; }
.sidebar-org { display: block; color: #b9d1d9; font-size: .69rem; line-height: 1.4; margin-top: 5px; }
.orf-mark { position: relative; height: 76px; overflow: hidden; background: #fff; border-radius: 8px; margin: -2px 6px 0; }
.orf-mark img { position: absolute; top: 50%; left: 50%; width: 210%; max-width: none; height: auto; transform: translate(-50%,-50%); }
.sidebar-contact { display: grid; gap: 7px; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); padding: 15px 0; }
.contact-item { display: flex; align-items: center; gap: 10px; color: #c6dbe2; font-size: .76rem; }
.contact-item:hover { color: #fff; }
.contact-icon { width: 21px; color: #71d8e7; text-align: center; font-size: 1rem; }
.sidebar-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
.social-link { min-height: 36px; display: flex; align-items: center; gap: 6px; padding: 7px 8px; border: 1px solid rgba(255,255,255,.13); border-radius: 6px; color: #c9dfe6; font-size: .68rem; transition: background .2s,color .2s; }
.social-link:hover { background: rgba(255,255,255,.09); color: #fff; }
.link-icon { display: inline-flex; align-items: center; justify-content: center; width: 19px; height: 19px; flex: 0 0 19px; border-radius: 3px; background: rgba(112,216,231,.16); color: #7ddbe7; font: 700 .55rem var(--head); }
.sidebar-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.btn-primary,.btn-secondary { display: flex; justify-content: center; align-items: center; gap: 5px; min-height: 39px; padding: 8px; border-radius: 6px; font-size: .73rem; font-weight: 700; cursor: pointer; }
.btn-primary { background: var(--blue-bright); color: #062333; border: 1px solid var(--blue-bright); }
.btn-primary:hover { background: #84e6ed; }
.btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,.32); color: #e9f6fa; }
.btn-secondary:hover { background: rgba(255,255,255,.1); }
.sidebar-nav { display: grid; gap: 2px; padding-top: 4px; }
.nav-link { position: relative; display: flex; align-items: center; min-height: 34px; padding: 6px 11px; border-left: 2px solid transparent; color: #a9c4ce; font-size: .77rem; font-weight: 500; transition: color .2s,background .2s,border-color .2s; }
.nav-link:hover,.nav-link.active { color: #fff; background: rgba(255,255,255,.06); border-color: var(--blue-bright); }

/* Hero */
.main { margin-left: var(--sidebar); min-width: 0; overflow: hidden; }
.hero { position: relative; display: flex; align-items: center; min-height: 600px; padding: 74px clamp(32px,5vw,90px) 64px; background: var(--navy-deep); color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(circle at 75% 45%,rgba(28,147,178,.19),transparent 28%),radial-gradient(circle at 18% 86%,rgba(31,101,145,.18),transparent 35%),linear-gradient(128deg,#09243b,#081928 67%); }
.hero-grid-overlay { position: absolute; inset: 0; opacity: .2; background-image: linear-gradient(rgba(92,199,224,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(92,199,224,.25) 1px,transparent 1px); background-size: 65px 65px; mask-image: linear-gradient(90deg,transparent 15%,#000); }
.hero::after { content: ''; position: absolute; width: 650px; height: 650px; right: -290px; top: -285px; border: 1px solid rgba(125,215,230,.15); border-radius: 50%; box-shadow: 0 0 0 80px rgba(102,213,225,.015),0 0 0 165px rgba(102,213,225,.012); pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 720px; padding-right: 28px; }
.hero-label { display: flex; align-items: center; gap: 10px; margin-bottom: 33px; color: #83dce8; font: 600 .78rem/1 var(--body); letter-spacing: .06em; }
.hero-label-line { width: 24px; height: 2px; background: var(--blue-bright); }
.hero-kicker { margin: 0 0 14px; color: #d1e7eb; font: 700 .7rem/1.5 var(--head); letter-spacing: .18em; }
.hero-kicker span { color: #55bdce; margin: 0 5px; }
.hero-title { max-width: 690px; margin: 0; font: 700 clamp(2.25rem,4.2vw,4.65rem)/1.12 var(--head); letter-spacing: -.06em; text-wrap: balance; }
.hero-sub { max-width: 620px; margin: 25px 0 0; color: #bfd7e1; font-size: 1rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 31px; }
.hero-button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 46px; padding: 10px 17px; border: 1px solid transparent; border-radius: 5px; font-size: .83rem; font-weight: 700; transition: transform .2s,background .2s; }
.hero-button:hover { transform: translateY(-3px); }
.hero-button-primary { background: #72dce9; color: #09263a; }
.hero-button-primary:hover { background: #a4eef3; }
.hero-button-outline { border-color: rgba(200,234,241,.45); color: #f3fcfe; }
.hero-button-outline:hover { background: rgba(255,255,255,.1); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 7px; max-width: 720px; margin-top: 47px; }
.tag { display: inline-flex; padding: 4px 10px; border: 1px solid rgba(171,219,228,.22); border-radius: 3px; color: #bad4db; font-size: .7rem; font-weight: 500; letter-spacing: .02em; }

/* Impact strip */
.stats-bar { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); background: #fff; border-bottom: 1px solid var(--line); padding: 28px clamp(32px,5vw,90px); }
.stat-item { position: relative; padding: 0 14px; text-align: center; }
.stat-item:first-child { padding-left: 0; }
.stat-item:last-child { padding-right: 0; }
.stat-item:not(:last-child)::after { content: ''; position: absolute; right: 0; top: 5px; height: 44px; width: 1px; background: var(--line); }
.stat-number { color: var(--blue); font: 700 2.2rem/1 var(--head); letter-spacing: -.06em; }
.stat-plus { color: var(--blue); font: 700 1rem var(--head); vertical-align: top; }
.stat-label { display: block; margin-top: 8px; color: var(--muted); font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.stat-divider { display: none; }

/* Main sections */
.section { padding: 75px clamp(32px,5vw,90px); border-bottom: 1px solid var(--line); background: #fff; scroll-margin-top: 20px; }
.section:nth-of-type(even) { background: var(--paper); }
.press-section { background: #eef6f8 !important; }
.section-header { margin-bottom: 30px; }
.section-header-split { display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-tag { display: block; margin-bottom: 9px; color: var(--blue); font: 700 .69rem/1.4 var(--head); letter-spacing: .17em; text-transform: uppercase; }
.section-title { margin: 0; color: var(--ink); font: 700 clamp(1.7rem,2.45vw,2.75rem)/1.17 var(--head); letter-spacing: -.05em; text-wrap: balance; }
.title-period { color: var(--blue); }
.section-intro { max-width: 290px; margin: 0 0 4px; color: var(--muted); font-size: .9rem; line-height: 1.6; }
.reveal { opacity: 1; transform: none; }

/* Press */
.press-feature-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px; }
.press-card { width: 100%; display: block; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--ink); text-align: left; cursor: pointer; box-shadow: 0 14px 36px rgba(20,65,83,.06); transition: transform .25s,box-shadow .25s,border-color .25s; }
.press-card:hover { transform: translateY(-5px); box-shadow: 0 22px 40px rgba(20,65,83,.14); border-color: #b3dbe5; }
.press-card-image { display: block; overflow: hidden; background: #dde9ec; }
.press-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.press-card:hover img { transform: scale(1.03); }
.press-card-featured .press-card-image { height: clamp(230px,23vw,350px); }
.press-card-featured:first-child .press-card-image img { object-position: center 30%; }
.press-card-featured:nth-child(2) .press-card-image img { object-position: center 23%; }
.press-card-info { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; padding: 19px 21px 20px; }
.press-card-meta { color: var(--blue); font: 700 .68rem/1.4 var(--head); letter-spacing: .075em; text-transform: uppercase; }
.press-card-info strong { color: var(--ink); font: 700 1.2rem/1.32 var(--head); letter-spacing: -.035em; }
.press-card-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 3px; color: var(--blue); font-size: .78rem; font-weight: 700; }
.press-gallery-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin: 36px 0 15px; }
.press-gallery-heading h3 { margin: 0; font: 700 1rem var(--head); letter-spacing: -.03em; }
.press-gallery-heading span { color: var(--muted); font-size: .77rem; }
.press-more-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.press-card-small .press-card-image { height: 150px; }
.press-card-small .press-card-info { padding: 12px 13px 15px; }
.press-card-small .press-card-meta { font-size: .57rem; }
.press-card-small .press-card-info strong { font-size: .8rem; line-height: 1.42; }
.press-card-small .press-card-link { font-size: .69rem; }
.press-unavailable { margin: 0; padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--muted); }

/* Timelines */
.timeline { position: relative; display: grid; gap: 13px; padding-left: 24px; }
.timeline::before { content: ''; position: absolute; left: 5px; top: 17px; bottom: 17px; width: 2px; background: #c5dfe6; }
.timeline-item,.edu-item { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.timeline-item::before,.edu-item::before { content: ''; position: absolute; left: -25px; top: 30px; width: 12px; height: 12px; border: 3px solid var(--blue); border-radius: 50%; background: #fff; }
.timeline-item { padding: 20px 23px; }
.timeline-item-inner { display: flex; align-items: center; gap: 19px; }
.timeline-logo-wrap { position: relative; width: 70px; height: 58px; flex: 0 0 70px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 5px; }
.timeline-logo { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.timeline-logo[src="orf-logo.png"] { position: absolute; top: 50%; left: 50%; width: 205%; max-width: none; height: auto; padding: 0; transform: translate(-50%,-50%); }
.timeline-title { color: var(--ink); font: 700 1rem/1.4 var(--head); letter-spacing: -.02em; }
.timeline-place { color: var(--blue); font-size: .88rem; font-weight: 700; }
.timeline-duration { color: var(--muted); font-size: .75rem; font-weight: 600; }
.timeline-details { margin-top: 3px; color: var(--muted); font-size: .82rem; }
.edu-item { display: flex; align-items: center; gap: 20px; padding: 15px 20px; }
.edu-item::before { top: 24px; }
.edu-year { min-width: 54px; color: var(--blue); font: 700 1.05rem var(--head); }
.edu-degree { color: var(--ink); font-weight: 700; }
.edu-place { color: var(--muted); font-size: .86rem; }

/* Publications */
.pub-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.pub-filter-btn { min-height: 40px; padding: 7px 15px; border: 1px solid #bcd3dc; border-radius: 5px; background: #fff; color: var(--muted); font-size: .79rem; font-weight: 700; cursor: pointer; }
.pub-filter-btn:hover,.pub-filter-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.pub-grid { display: grid; gap: 9px; }
.pub-item { display: flex; align-items: center; gap: 17px; padding: 15px 18px; border: 1px solid var(--line); border-radius: 6px; background: #fff; transition: border-color .2s,transform .2s; }
.pub-item:hover { border-color: #85b9c8; transform: translateX(3px); }
.pub-item[hidden] { display: none; }
.pub-kind { display: inline-flex; justify-content: center; flex: 0 0 68px; padding: 7px 5px; background: #dceff3; border-radius: 3px; color: #006f97; font: 700 .64rem var(--head); text-transform: uppercase; letter-spacing: .05em; }
.pub-kind.conference { color: #6a5891; background: #eee9f5; }
.pub-content { min-width: 0; }
.pub-title { color: var(--ink); font-size: .92rem; font-weight: 700; line-height: 1.4; }
.pub-title a:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.pub-journal-badge { display: block; margin-top: 5px; color: var(--muted); font-size: .75rem; }

/* Evidence and expertise */
.skills-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.skill-tag { display: inline-block; padding: 8px 13px; background: #e7f3f6; border: 1px solid #cbe3ea; border-radius: 4px; color: #1a5268; font-size: .82rem; font-weight: 700; }
.patent-card { position: relative; overflow: hidden; max-width: 880px; padding: 30px 33px; border-radius: 8px; border-left: 5px solid var(--blue); background: var(--navy); color: #fff; }
.patent-card::after { content: '01'; position: absolute; right: 18px; top: -30px; color: rgba(255,255,255,.055); font: 800 12rem var(--head); pointer-events: none; }
.patent-badge { position: relative; z-index: 1; color: #84e0ec; font: 700 .65rem var(--head); letter-spacing: .16em; }
.patent-title { position: relative; z-index: 1; max-width: 620px; margin: 12px 0; font: 700 clamp(1.3rem,2vw,1.8rem)/1.3 var(--head); letter-spacing: -.035em; }
.patent-detail { position: relative; z-index: 1; color: #b6d5dd; font-size: .84rem; }
.achievements-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.achievement-card { display: flex; align-items: flex-start; gap: 15px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.achievement-icon { flex: 0 0 28px; font-size: 1.3rem; }
.achievement-text { color: var(--ink); font-size: .84rem; font-weight: 600; }
.reviewer-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
.reviewer-item { padding: 13px 16px; background: #fff; border: 1px solid var(--line); border-radius: 5px; color: var(--ink); font-size: .83rem; font-weight: 600; }
.reviewer-item::before { content: ''; display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--blue); }
.map-container { width: 100%; height: 430px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: #dbe7eb; }
.map-legend-dot { display: inline-block; width: 10px; height: 10px; margin-right: 10px; border-radius: 50%; background: #00d4ff; }
.map-legend-dot.india { background: #00ffa3; }
.map-legend-dot.us { background: #ff6b35; }
.footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px clamp(32px,5vw,90px); background: var(--navy); color: #b7d1da; font-size: .76rem; }
.footer strong { color: #fff; font-family: var(--head); }

/* Press viewer */
.press-dialog { width: min(1100px,94vw); max-width: none; max-height: 94vh; padding: 0; border: 0; border-radius: 8px; background: #fff; color: var(--ink); box-shadow: 0 30px 90px rgba(0,0,0,.4); }
.press-dialog::backdrop { background: rgba(2,14,23,.8); backdrop-filter: blur(5px); }
.press-dialog-bar { position: sticky; z-index: 2; top: 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 17px; background: #fff; border-bottom: 1px solid var(--line); }
.press-dialog-bar > div { display: flex; flex-direction: column; min-width: 0; }
.press-dialog-source { color: var(--blue); font: 700 .65rem var(--head); letter-spacing: .09em; text-transform: uppercase; }
.press-dialog-bar strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 700 .89rem var(--head); }
.press-dialog-close { width: 34px; height: 34px; flex: 0 0 34px; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--ink); font-size: 1.5rem; line-height: 1; cursor: pointer; }
.press-dialog-close:hover { background: #e8f4f7; }
.press-dialog-image-wrap { overflow: auto; max-height: calc(94vh - 111px); background: #e4edf0; }
.press-dialog-image-wrap img { display: block; max-width: 100%; width: auto; height: auto; margin: auto; }
.press-dialog-controls { position: sticky; bottom: 0; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 17px; border-top: 1px solid var(--line); background: #fff; color: var(--muted); font-size: .76rem; }
.press-dialog-controls button,.press-dialog-controls a { padding: 5px 8px; border: 0; background: transparent; color: var(--blue); font-weight: 700; cursor: pointer; }
.press-dialog-controls a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 960px) {
  .sidebar { position: relative; width: 100%; overflow: visible; }
  .sidebar-inner { gap: 14px; padding: 16px 24px 12px; }
  .profile-summary { flex-direction: row; gap: 14px; padding-top: 0; }
  .profile-ring { width: 62px; height: 62px; flex: 0 0 62px; padding: 3px; }
  .sidebar-name { text-align: left; }
  .sidebar-name h2 { margin: 0; font-size: 1rem; }
  .orf-mark { position: absolute; top: 18px; right: 25px; width: 160px; height: 52px; margin: 0; }
  .sidebar-contact { display: flex; flex-wrap: wrap; gap: 6px 16px; padding: 9px 0; }
  .sidebar-links { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
  .social-link { flex: 0 0 auto; }
  .sidebar-actions { display: none; }
  .sidebar-nav { display: flex; gap: 4px; overflow-x: auto; white-space: nowrap; padding: 1px 0 3px; scrollbar-width: none; }
  .sidebar-nav::-webkit-scrollbar { display: none; }
  .nav-link { flex: 0 0 auto; min-height: 35px; padding: 6px 9px; border-left: 0; border-bottom: 2px solid transparent; font-size: .75rem; }
  .nav-link:hover,.nav-link.active { border-color: var(--blue-bright); }
  .main { margin-left: 0; }
  .hero { min-height: 540px; }
}
@media (max-width: 700px) {
  .orf-mark { width: 115px; height: 39px; top: 24px; right: 16px; }
  .sidebar-inner { padding: 14px 16px 8px; }
  .back-home { font-size: .69rem; }
  .sidebar-name h2 { font-size: .9rem; }
  .sidebar-role { font-size: .66rem; }
  .sidebar-org { font-size: .58rem; }
  .hero { min-height: 0; padding: 53px 24px 48px; }
  .hero-content { padding-right: 0; }
  .hero-label { margin-bottom: 24px; }
  .hero-kicker { font-size: .6rem; }
  .hero-title { font-size: clamp(2rem,8vw,3.4rem); }
  .hero-sub { font-size: .91rem; }
  .hero-tags { margin-top: 34px; }
  .stats-bar { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 0; padding: 25px 22px; }
  .stat-item:nth-child(2)::after { display: none; }
  .stat-number { font-size: 1.7rem; }
  .stat-label { font-size: .6rem; }
  .section { padding: 53px 22px; }
  .section-header-split { display: block; }
  .section-intro { max-width: 100%; margin-top: 12px; }
  .press-feature-grid { grid-template-columns: 1fr; }
  .press-card-featured .press-card-image { height: 230px; }
  .press-more-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .press-card-small .press-card-image { height: 135px; }
  .achievements-grid,.reviewer-list { grid-template-columns: 1fr; }
  .footer { display: block; padding: 25px 22px; }
  .footer span { display: block; margin-top: 3px; }
}
@media (max-width: 440px) {
  .orf-mark { position: relative; display: block; top: auto; right: auto; width: 100%; height: 72px; margin: 0; }
  .orf-mark img { width: 160%; }
  .sidebar-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .social-link { font-size: .75rem; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-button { gap: 5px; font-size: .71rem; padding: 8px; }
  .hero-tags { gap: 5px; }
  .tag { font-size: .64rem; }
  .press-more-grid { gap: 8px; }
  .press-card-small .press-card-image { height: 110px; }
  .press-card-small .press-card-info { padding: 9px; }
  .press-card-small .press-card-info strong { font-size: .7rem; }
  .press-card-small .press-card-link { display: none; }
  .press-gallery-heading span { display: none; }
  .timeline-item-inner { align-items: flex-start; gap: 12px; }
  .timeline-logo-wrap { width: 50px; height: 49px; flex-basis: 50px; }
  .pub-item { align-items: flex-start; gap: 10px; padding: 12px; }
  .pub-kind { flex-basis: 51px; font-size: .55rem; }
  .pub-title { font-size: .82rem; }
  .edu-item { gap: 10px; padding: 13px 12px; }
  .edu-year { min-width: 44px; font-size: .9rem; }
  .map-container { height: 315px; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
@media print {
  .sidebar,.hero-actions,.scroll-progress,.press-dialog { display: none !important; }
  .main { margin-left: 0; }
  .hero { min-height: 0; padding: 20px 30px; color: #000; background: #fff; }
  .hero-bg,.hero-grid-overlay { display: none; }
  .hero-title,.hero-sub,.hero-label,.hero-kicker { color: #000; }
  .section { padding: 20px 30px; break-inside: avoid; }
  .press-card,.timeline-item,.pub-item,.achievement-card { box-shadow: none; break-inside: avoid; }
  .footer { color: #000; background: #fff; }
}


/* ============================================================
   CONNECTED RESEARCH ATLAS
   ============================================================ */
.main { position: relative; }
.hero {
  display: grid;
  grid-template-columns: minmax(0,1.16fr) minmax(310px,.84fr);
  align-items: center;
  gap: clamp(20px,3.5vw,58px);
  min-height: 690px;
  padding-top: 72px;
  padding-bottom: 72px;
  background: #061c30;
}
.hero::after { display: none; }
.hero-bg {
  background:
    radial-gradient(circle at 73% 47%,rgba(31,178,203,.16),transparent 31%),
    radial-gradient(circle at 8% 75%,rgba(38,117,168,.19),transparent 34%),
    linear-gradient(115deg,#061c30 7%,#0b2940 55%,#081a2d);
}
.hero-grid-overlay { opacity: .23; background-size: 52px 52px; }
.hero-content { max-width: none; width: 100%; padding-right: 0; }
.hero-label { margin-bottom: 28px; }
.hero-title { max-width: 730px; font-size: clamp(2.6rem,3.55vw,4.2rem); line-height: 1.1; }
.hero-actions { margin-top: 34px; }
.hero-tags { margin-top: 42px; }
.hero-atlas {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 560px;
  min-width: 0;
  aspect-ratio: 1 / 1.08;
  align-self: center;
  border: 1px solid rgba(142,221,234,.23);
  border-radius: 12px;
  background:
    radial-gradient(circle at 50% 50%,rgba(55,166,192,.08),transparent 53%),
    linear-gradient(140deg,rgba(93,185,210,.07),rgba(255,255,255,.015) 48%,rgba(8,35,57,.45));
  box-shadow: inset 0 0 80px rgba(12,90,118,.15),0 24px 60px rgba(1,10,19,.25);
  overflow: hidden;
}
.hero-atlas:focus-visible { outline: 2px solid #65dedb; outline-offset: 5px; }
.hero-atlas::before,.hero-atlas::after { content: ''; position: absolute; z-index: 1; width: 12px; height: 12px; border-color: rgba(155,232,237,.65); border-style: solid; }
.hero-atlas::before { top: 0; left: 0; border-width: 2px 0 0 2px; }
.hero-atlas::after { right: 0; bottom: 0; border-width: 0 2px 2px 0; }
.atlas-topline,.atlas-bottomline {
  position: absolute;
  z-index: 2;
  right: 19px;
  left: 19px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: #8fc8d5;
  font: 600 .58rem/1.4 var(--head);
  letter-spacing: .12em;
}
.atlas-topline { top: 17px; }
.atlas-bottomline { bottom: 17px; justify-content: space-between; color: #78aebc; font-size: .5rem; }
.atlas-signal { position: relative; width: 6px; height: 6px; flex: 0 0 6px; border-radius: 50%; background: #58dfd1; box-shadow: 0 0 12px #58dfd1; }
.atlas-signal::after { content: ''; position: absolute; inset: -5px; border: 1px solid rgba(88,223,209,.55); border-radius: 50%; animation: atlasPulse 2.6s ease-out infinite; }
.atlas-svg { position: absolute; inset: 4% 0; width: 100%; height: 92%; overflow: visible; }
.atlas-gridline { stroke: #7cc6d3; stroke-opacity: .09; stroke-width: 1; }
.atlas-route { stroke: url(#atlasStroke); stroke-width: 2.8; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; filter: drop-shadow(0 0 7px rgba(69,214,223,.65)); animation: atlasRouteLoop 5s ease-in-out infinite; }
.atlas-route-b { stroke: #68bfde; stroke-width: 1.5; stroke-opacity: .58; }
.atlas-route-c { stroke: #f2ba72; stroke-width: 1.5; stroke-opacity: .64; }
.atlas-route-b { animation-delay: .12s; }
.atlas-route-c { animation-delay: .24s; }
.atlas-node { opacity: .28; transform-box: fill-box; transform-origin: center; animation: atlasNodeLoop 5s ease-in-out infinite; }
.atlas-svg text { fill: #91c9d5; font: 700 12px var(--head); letter-spacing: 2px; }
.atlas-svg text:not(.atlas-center-label) { opacity: .38; }
.atlas-svg .atlas-center-label { fill: #e4f7fa; font: 700 35px var(--head); letter-spacing: -2px; filter: drop-shadow(0 0 12px rgba(94,214,227,.4)); }
.atlas-cloud { position: absolute; z-index: 3; inset: 0; pointer-events: none; transition: opacity .2s; }
.atlas-cloud-word {
  position: absolute;
  max-width: 140px;
  color: #d8f7f9;
  font: 700 clamp(.67rem,1vw,.82rem)/1.18 var(--head);
  letter-spacing: .015em;
  text-align: center;
  text-shadow: 0 0 10px #082e43,0 0 18px #082e43,0 0 8px rgba(74,217,231,.65);
  opacity: 0;
  transform: translate(-50%,10px) scale(.7);
  animation: atlasWordLoop 4.5s cubic-bezier(.2,.75,.2,1) var(--word-delay) both;
}
.atlas-cloud-word.major { font-size: clamp(.84rem,1.25vw,1.05rem); color: #81eee8; }
.atlas-cloud-word:nth-child(1) { left: 21%; top: 31%; }
.atlas-cloud-word:nth-child(2) { left: 72%; top: 27%; }
.atlas-cloud-word:nth-child(3) { left: 78%; top: 54%; color: #ffd39b; }
.atlas-cloud-word:nth-child(4) { left: 67%; top: 74%; }
.atlas-cloud-word:nth-child(5) { left: 31%; top: 74%; color: #a8dfff; }
.atlas-cloud-word:nth-child(6) { left: 19%; top: 53%; }
.atlas-all-words {
  position: absolute;
  z-index: 4;
  inset: 45px 18px 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid rgba(130,221,230,.22);
  border-radius: 8px;
  background: rgba(5,31,50,.97);
  box-shadow: 0 0 35px rgba(31,176,202,.14),inset 0 0 55px rgba(29,132,160,.08);
  opacity: 0;
  transform: scale(.96);
  transition: opacity .25s,transform .25s;
  pointer-events: none;
}
.atlas-all-words strong { color: #89dce5; font: 700 .58rem var(--head); letter-spacing: .15em; }
.atlas-all-words > div { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 5px; }
.atlas-all-words span { padding: 4px 6px; border: 1px solid rgba(122,208,225,.2); border-radius: 4px; color: #e2f5f8; background: rgba(39,118,144,.14); font: 650 .6rem/1.1 var(--head); }
.atlas-all-words span:nth-child(3n) { color: #9fe9e8; }
.atlas-all-words span:nth-child(5n) { color: #ffd39b; }
.hero-atlas.is-exploring .atlas-cloud { opacity: 0; }
.hero-atlas.is-exploring .atlas-all-words,.hero-atlas.is-static .atlas-all-words { opacity: 1; transform: none; }
.hero-atlas.is-exploring .atlas-route { animation-play-state: paused; stroke-dashoffset: 0 !important; }
.hero-atlas.is-exploring .atlas-node { animation-play-state: paused; opacity: 1 !important; }
.hero-atlas.is-static .atlas-cloud { display: none; }
@keyframes atlasPulse { from { opacity: .8; transform: scale(.55); } to { opacity: 0; transform: scale(1.65); } }
@keyframes atlasRouteLoop { 0%,5% { stroke-dashoffset: 1; } 30%,72% { stroke-dashoffset: 0; } 98%,100% { stroke-dashoffset: 1; } }
@keyframes atlasNodeLoop { 0%,100% { opacity: .3; filter: none; } 34%,70% { opacity: 1; filter: drop-shadow(0 0 9px rgba(116,231,234,.8)); } }
@keyframes atlasWordLoop { 0% { opacity: 0; transform: translate(-50%,10px) scale(.7); } 18%,70% { opacity: 1; transform: translate(-50%,0) scale(1); } 98%,100% { opacity: 0; transform: translate(-50%,-8px) scale(.92); } }

.stats-bar { position: relative; z-index: 2; box-shadow: 0 10px 35px rgba(5,49,69,.035); }
.stat-item { transition: transform .3s; }
.stat-item:hover { transform: translateY(-4px); }
.stat-number { display: inline-block; }

/* The page-wide path connects each major chapter marker. */
.journey-track {
  position: absolute;
  z-index: 5;
  left: 27px;
  width: 2px;
  background: linear-gradient(#bfdce4,#9ac9d7 50%,#bfdce4);
  opacity: .9;
  pointer-events: none;
}
.journey-track > span {
  display: block;
  width: 3px;
  height: 0;
  margin-left: -1px;
  background: linear-gradient(#43d9dc,#057fbd 60%,#64d9ca);
  box-shadow: 0 0 13px rgba(12,168,201,.55);
}
.main > .section { position: relative; }
.main > .section::before {
  content: '';
  position: absolute;
  z-index: 6;
  top: 78px;
  left: 20px;
  width: 16px;
  height: 16px;
  border: 3px solid #a5cdd7;
  border-radius: 50%;
  background: #f7fbfc;
  box-shadow: 0 0 0 5px rgba(11,126,174,.05);
  transition: background .4s,border-color .4s,box-shadow .4s,transform .4s;
}
.main > .section.is-past::before { border-color: #1bb9ce; background: #d3f8f5; }
.main > .section.active-step::before { transform: scale(1.23); border-color: #06a9c4; background: #fff; box-shadow: 0 0 0 7px rgba(13,186,209,.14),0 0 20px rgba(13,186,209,.5); }
.section-tag { font-size: .72rem; }
.section-title { font-size: clamp(1.8rem,2.7vw,2.85rem); }
.timeline-fill { position: absolute; z-index: 1; left: 5px; top: 17px; width: 3px; height: 0; background: linear-gradient(#1ccfc4,#078bb7); box-shadow: 0 0 12px rgba(14,177,201,.38); pointer-events: none; }
.timeline-item::before,.edu-item::before { z-index: 3; transition: border-color .3s,background .3s,box-shadow .3s; }
.timeline-item.is-connected::before,.edu-item.is-connected::before { border-color: #13b6c8; background: #fff; box-shadow: 0 0 0 5px rgba(19,182,200,.14),0 0 12px rgba(19,182,200,.42); }

/* Meaningful reveals, kept optional for reduced motion and non-JS browsing. */
.has-motion .section-header,
.has-motion .press-card,
.has-motion .timeline-item,
.has-motion .edu-item,
.has-motion .pub-item,
.has-motion .patent-card,
.has-motion .achievement-card,
.has-motion .map-chapter {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity .7s cubic-bezier(.2,.75,.2,1),transform .7s cubic-bezier(.2,.75,.2,1),box-shadow .28s,border-color .28s;
  transition-delay: var(--reveal-delay,0ms);
}
.has-motion .is-visible { opacity: 1; transform: translateY(0); }
.has-motion .pub-item.is-visible:hover { transform: translateX(7px); }
.has-motion .press-card.is-visible:hover { transform: translateY(-6px); }
.press-card-featured { position: relative; }
.press-card-featured::before {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  padding: 5px 8px;
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 3px;
  background: rgba(7,30,48,.84);
  color: #e7f8f9;
  font: 700 .58rem var(--head);
  letter-spacing: .1em;
}
.press-card-featured:nth-child(1)::before { content: 'FEATURED / 01'; }
.press-card-featured:nth-child(2)::before { content: 'FEATURED / 02'; }
.press-card-image { position: relative; }
.press-card-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg,transparent 70%,rgba(8,37,52,.13)); pointer-events: none; }

/* Publication network */
#publications {
  background:
    radial-gradient(circle at 100% 0,rgba(60,178,202,.12),transparent 25%),
    linear-gradient(180deg,#ecf7f9,#f8fbfc 55%,#eef7f8);
}
.pub-filters { position: relative; z-index: 2; margin-bottom: 33px; }
.pub-filter-btn { border-radius: 20px; padding-inline: 18px; transition: background .2s,color .2s,transform .2s; }
.pub-filter-btn:hover { transform: translateY(-2px); }
.pub-grid { display: block; }
.pub-timeline { position: relative; display: grid; gap: 14px; padding-left: 39px; }
.pub-line { position: absolute; z-index: 1; left: 13px; width: 2px; background: #b4d6df; }
.pub-line > span { position: relative; display: block; width: 3px; height: 0; margin-left: -.5px; background: linear-gradient(#1ccfc4,#039bc4,#086ba4); box-shadow: 0 0 14px rgba(15,160,201,.42); }
.pub-line > span::after { content: ''; position: absolute; bottom: -5px; left: -4px; width: 11px; height: 11px; border-radius: 50%; background: #50d6db; box-shadow: 0 0 15px #38c7d1; }
.pub-item {
  position: relative;
  margin: 0;
  min-height: 130px;
  align-items: stretch;
  gap: 20px;
  padding: 20px 24px;
  border-radius: 9px;
  border-color: #d5e7ec;
  box-shadow: 0 7px 20px rgba(30,91,111,.04);
  background: rgba(255,255,255,.9);
}
.pub-item::before { content: ''; position: absolute; top: 50%; left: -25px; width: 25px; height: 2px; background: #bad8df; transform: translateY(-50%); transition: background .3s,box-shadow .3s; }
.pub-item.is-connected::before { background: #1fb6c8; box-shadow: 0 0 8px rgba(31,182,200,.45); }
.pub-item:hover { box-shadow: 0 15px 30px rgba(27,91,110,.1); border-color: #98cdd8; }
.pub-node { position: absolute; z-index: 2; top: 50%; left: -33px; width: 18px; height: 18px; border: 3px solid #a9ced8; border-radius: 50%; background: #f2fafb; transform: translateY(-50%); transition: border-color .3s,box-shadow .3s,background .3s; }
.pub-node > span { position: absolute; inset: 4px; border-radius: 50%; background: #a9ced8; transition: background .3s; }
.pub-item.is-connected .pub-node { border-color: #0ab0c9; background: #fff; box-shadow: 0 0 0 6px rgba(19,183,204,.12),0 0 15px rgba(19,183,204,.35); }
.pub-item.is-connected .pub-node > span { background: #18bbca; }
.pub-year { display: flex; flex: 0 0 79px; flex-direction: column; justify-content: center; color: #0a83a9; font: 700 1.32rem/1.1 var(--head); letter-spacing: -.05em; border-right: 1px solid #dbe9ed; }
.pub-year small { display: block; margin-top: 11px; color: #8ba6b0; font: 600 .57rem var(--head); letter-spacing: .11em; }
.pub-content { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.pub-kind { flex: 0 0 auto; display: inline-block; padding: 4px 8px; margin-bottom: 8px; font-size: .57rem; letter-spacing: .09em; }
.pub-title { margin: 0; color: var(--ink); font: 700 clamp(.92rem,1.12vw,1.08rem)/1.45 var(--head); letter-spacing: -.028em; }
.pub-title a { display: inline; }
.pub-open { display: inline-block; margin-left: 7px; color: var(--blue); font-size: .9rem; transition: transform .25s; }
.pub-title a:hover .pub-open { transform: translate(2px,-2px); }
.pub-journal-badge { margin-top: 7px; font-size: .78rem; }

/* Map chapters create an interactive close to the journey. */
.map-story { display: grid; grid-template-columns: minmax(235px,290px) minmax(0,1fr); gap: 18px; align-items: stretch; }
.map-chapters { display: grid; gap: 9px; align-content: start; }
.map-chapter {
  position: relative;
  width: 100%;
  min-height: 92px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 15px 40px 15px 17px;
  border: 1px solid #d5e4e8;
  border-left: 3px solid #b7d1da;
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}
.map-chapter:hover,.map-chapter.active { border-color: #8abfcf; border-left-color: #16b9c9; box-shadow: 0 9px 24px rgba(34,111,134,.1); }
.map-chapter span { color: var(--blue); font: 700 .59rem var(--head); letter-spacing: .12em; }
.map-chapter strong { margin-top: 5px; font: 700 .94rem/1.3 var(--head); letter-spacing: -.02em; }
.map-chapter small { margin-top: 3px; color: var(--muted); font-size: .69rem; line-height: 1.4; }
.map-chapter i { position: absolute; right: 15px; top: 17px; color: var(--blue); font-style: normal; }
.map-container { height: 500px; box-shadow: 0 15px 35px rgba(7,47,69,.11); }
#map-section { background: linear-gradient(180deg,#f4f9fa,#eaf4f6); }

@media (max-width: 1320px) {
  .hero { grid-template-columns: minmax(0,1.1fr) minmax(280px,.9fr); }
  .hero-content { max-width: none; }
  .hero-title { font-size: clamp(2.25rem,3.5vw,3.55rem); }
}
@media (max-width: 1100px) {
  .hero { gap: 18px; padding-left: 47px; padding-right: 47px; }
  .hero-title { font-size: clamp(2.2rem,3.4vw,3.1rem); }
  .atlas-topline { font-size: .49rem; }
}
@media (max-width: 960px) {
  .hero { grid-template-columns: minmax(0,1.1fr) minmax(275px,.9fr); min-height: 580px; }
  .hero-title { font-size: clamp(2.35rem,4.4vw,3.7rem); }
  .atlas-bottomline span:last-child { display: none; }
  .journey-track { left: 25px; }
  .main > .section::before { left: 18px; }
  .map-story { grid-template-columns: 245px minmax(0,1fr); }
}
@media (max-width: 760px) {
  .hero { display: block; padding: 53px 24px 40px; }
  .hero-title { font-size: clamp(2.1rem,7.5vw,3.25rem); }
  .hero-atlas { width: min(100%,430px); max-width: none; height: 320px; margin: 38px auto 0; aspect-ratio: auto; }
  .atlas-svg { inset: -8% 0; height: 116%; }
  .atlas-topline,.atlas-bottomline { font-size: .48rem; }
  .journey-track,.main > .section::before { display: none; }
  .map-story { display: block; }
  .map-chapters { grid-template-columns: repeat(2,minmax(0,1fr)); margin-bottom: 13px; }
  .map-chapter { min-height: 82px; padding: 10px 26px 10px 11px; }
  .map-chapter strong { font-size: .8rem; }
  .map-chapter small { font-size: .63rem; }
  .map-chapter i { right: 9px; top: 9px; }
  .map-container { height: 340px; }
}
@media (max-width: 540px) {
  .hero-atlas { height: 270px; margin-top: 34px; }
  .atlas-svg { inset: -10% 0; height: 120%; }
  .atlas-topline { left: 12px; top: 11px; }
  .atlas-bottomline { left: 12px; right: 12px; bottom: 10px; font-size: .4rem; }
  .atlas-cloud-word { max-width: 100px; font-size: .61rem; }
  .atlas-cloud-word.major { font-size: .75rem; }
  .atlas-all-words { inset: 31px 10px 28px; gap: 8px; padding: 10px; }
  .atlas-all-words strong { font-size: .5rem; }
  .atlas-all-words > div { gap: 4px; }
  .atlas-all-words span { padding: 4px 5px; font-size: .52rem; }
  .pub-timeline { padding-left: 30px; gap: 10px; }
  .pub-line { left: 9px; }
  .pub-item { min-height: 0; padding: 13px; gap: 10px; }
  .pub-node { left: -30px; width: 16px; height: 16px; }
  .pub-item::before { left: -23px; width: 23px; }
  .pub-year { flex-basis: 51px; font-size: 1rem; }
  .pub-year small { font-size: .43rem; letter-spacing: 0; }
  .pub-kind { font-size: .51rem; margin-bottom: 6px; }
  .pub-title { font-size: .78rem; }
  .pub-journal-badge { font-size: .67rem; }
}
@media (max-width: 390px) {
  .atlas-bottomline span:last-child { display: none; }
  .map-chapters { grid-template-columns: 1fr 1fr; gap: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  .atlas-signal::after,.atlas-route,.atlas-node,.atlas-cloud-word { animation: none !important; }
  .atlas-route { stroke-dashoffset: 0 !important; }
  .atlas-node { opacity: 1 !important; }
  .atlas-cloud { display: none; }
  .atlas-all-words { opacity: 1; transform: none; }
  .has-motion .section-header,.has-motion .press-card,.has-motion .timeline-item,.has-motion .edu-item,.has-motion .pub-item,.has-motion .patent-card,.has-motion .achievement-card,.has-motion .map-chapter { opacity: 1; transform: none; }
}
@media print {
  .journey-track,.hero-atlas,.pub-line,.pub-node,.pub-item::before,.main > .section::before { display: none !important; }
  .has-motion .section-header,.has-motion .press-card,.has-motion .timeline-item,.has-motion .edu-item,.has-motion .pub-item,.has-motion .patent-card,.has-motion .achievement-card,.has-motion .map-chapter { opacity: 1 !important; transform: none !important; }
  .pub-timeline { padding-left: 0; }
  .pub-item { background: #fff; }
  .map-story { display: block; }
  .map-chapters { display: none; }
}