/* Ashu Arora — premium editorial palette */
:root{
  --navy:#0B2545;
  --blue:#1769AA;
  --blue-2:#2B7BB9;
  --pale:#EAF3FA;
  --pale-2:#F4F8FB;
  --ink:#17212B;
  --muted:#5E6B76;
  --line:#D7E0E8;
  --white:#FFFFFF;
  --warm:#B8835A;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#F8FAFC;
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(11,37,69,.97);color:white;
  border-bottom:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(10px);
}
.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-family:Georgia,"Times New Roman",serif;font-size:22px;font-weight:700;letter-spacing:-.02em}
.navlinks{display:flex;align-items:center;gap:18px;font-size:13px}
.navlinks a{opacity:.84;padding:8px 0}
.navlinks a:hover{opacity:1;color:#BFE1F8}
.social{display:flex;gap:8px}
.social a{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 10px;font-size:12px}
.hero{background:linear-gradient(135deg,var(--navy) 0%,#123E68 55%,#1769AA 100%);color:white;padding:96px 0 88px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:#BFE1F8}
.hero h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(56px,7vw,92px);line-height:.95;letter-spacing:-.055em;margin:14px 0 20px}
.hero-desc{max-width:650px;color:#D9E9F5;font-size:17px;line-height:1.8;margin-top:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-block;padding:12px 18px;border-radius:3px;font-size:13px;font-weight:700}
.btn-light{background:white;color:var(--navy)}
.btn-outline{border:1px solid rgba(255,255,255,.45);color:white}
.hero-photo{position:relative;width:min(100%,410px);justify-self:end;padding:16px;border:1px solid rgba(191,225,248,.48)}
.hero-photo img{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 22%;position:relative;box-shadow:0 20px 48px rgba(0,0,0,.22)}
.section{padding:86px 0;border-top:1px solid var(--line)}
.section-blue{background:var(--pale)}
.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);font-weight:800}
.section h2{font-family:Georgia,"Times New Roman",serif;font-size:clamp(34px,4vw,48px);line-height:1.1;letter-spacing:-.035em;margin:10px 0 0}
.intro{max-width:720px;color:var(--muted);font-size:18px;line-height:1.75;margin-top:18px}
.about-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
.prose p{margin:0 0 18px;color:#3E4A55}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:42px}
.card{background:white;border:1px solid var(--line);padding:28px;transition:.2s ease}
.card:hover{border-color:#9FC5DF;box-shadow:0 12px 30px rgba(23,64,95,.07);transform:translateY(-2px)}
.card h3{font-family:Georgia,"Times New Roman",serif;font-size:23px;line-height:1.25;margin:0}
.card p{color:var(--muted);font-size:14px;line-height:1.7}
.tag{display:inline-block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-weight:800;margin-bottom:13px}
.pillrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.pill{border:1px solid #BCD3E3;background:white;padding:8px 12px;font-size:12px;color:#355268}
.quote{border-left:3px solid var(--blue);padding:6px 0 6px 22px;font-family:Georgia,"Times New Roman",serif;font-size:24px;line-height:1.45;color:var(--navy);margin-top:28px}
.list{padding:0;margin:20px 0 0;list-style:none}
.list li{padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.footer{background:var(--navy);color:#D9E9F5;padding:46px 0}
.footer a:hover{color:white}
.page-hero{background:linear-gradient(135deg,var(--navy),#1769AA);color:white;padding:70px 0}
.page-hero h1{font-family:Georgia,"Times New Roman",serif;font-size:54px;line-height:1.05;margin:10px 0}
.page-hero p{max-width:700px;color:#D9E9F5;font-size:17px}
@media(max-width:900px){
  .navlinks{display:none}
  .hero-grid,.about-grid{grid-template-columns:1fr}
  .hero{padding:70px 0}
  .hero-photo{max-width:440px;justify-self:start}
}
@media(max-width:650px){
  .container{width:min(100% - 28px,var(--max))}
  .cards{grid-template-columns:1fr}
  .hero h1{font-size:56px}
  .section{padding:64px 0}
}

/* Interior-page compatibility and responsive refinements */
.top{position:sticky;top:0;z-index:50;background:rgba(11,37,69,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px)}
.wrap{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.links{display:flex;align-items:center;gap:13px;font-size:11px;white-space:nowrap}
.links a{opacity:.86}
.links a:hover{opacity:1;color:#BFE1F8}
.top .nav{min-height:74px}
.section .wrap{max-width:var(--max)}
.section h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(42px,5vw,62px);line-height:1.06;letter-spacing:-.04em;margin:10px 0 0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid #BCD3E3;background:#fff;padding:8px 12px;font-size:12px;color:#355268}
@media(max-width:1100px){.navlinks{gap:10px;font-size:10px}.social{display:none}.links{gap:10px;font-size:10px}}
@media(max-width:900px){.links,.navlinks{display:none}.container,.wrap{width:min(100% - 28px,var(--max))}}

/* Compatibility and responsive fixes for all interior pages */
.wrap{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.item{padding:24px 0;border-bottom:1px solid var(--line)}
.item h2,.item h3{font-family:Georgia,"Times New Roman",serif}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{border:1px solid #BCD3E3;background:white;padding:9px 13px;font-size:12px;color:#355268}
.meta{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.04em;text-transform:uppercase;margin:8px 0 14px}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
main h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(42px,5vw,62px);line-height:1.05;letter-spacing:-.04em;margin:10px 0}
main h3{font-family:Georgia,"Times New Roman",serif;font-size:23px;line-height:1.25}
main code{background:var(--pale);padding:2px 5px}
footer.wrap{display:flex;justify-content:space-between;gap:20px;padding:40px 0;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
footer.wrap a{color:var(--blue)}
.btn{background:var(--navy);color:white;border-radius:3px;padding:12px 18px;display:inline-block;font-size:13px;font-weight:700}
.btn:hover{background:var(--blue)}
@media(max-width:900px){.navlinks{display:none}.two{grid-template-columns:1fr}.wrap{width:min(var(--max),calc(100% - 28px))}}


/* Mobile navigation */
.menu-toggle{display:none;appearance:none;border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;width:42px;height:42px;border-radius:8px;padding:9px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.mobile-menu{display:none}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:900px){
  .topbar .nav{position:relative}
  .menu-toggle{display:flex;margin-left:auto}
  .mobile-menu{position:absolute;top:calc(100% + 1px);right:0;width:min(300px,calc(100vw - 28px));background:rgba(8,27,49,.98);border:1px solid rgba(255,255,255,.12);border-top:0;box-shadow:0 18px 35px rgba(0,0,0,.22);padding:8px;display:none;flex-direction:column;z-index:100}
  .mobile-menu.is-open{display:flex}
  .mobile-menu>a{color:#fff;padding:11px 13px;font-size:14px;border-radius:6px}
  .mobile-menu>a:hover,.mobile-menu>a:focus{background:rgba(255,255,255,.08);color:#fff}
  .mobile-social{display:flex;gap:8px;padding:10px 8px 7px;margin-top:4px;border-top:1px solid rgba(255,255,255,.1)}
  .mobile-social a{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:7px 11px;font-size:12px;color:#fff}
  .social{display:none}
}
@media(min-width:901px){.mobile-menu{display:none!important}}
@media(max-width:650px){
  .hero-photo{width:min(100%,320px);padding:14px;margin-top:8px;justify-self:center}
}

/* Approved homepage hero and research-interest refinements */
.research-focus{font-family:Georgia,"Times New Roman",serif;font-size:clamp(22px,2.15vw,31px);line-height:1.35;letter-spacing:-.015em;color:#fff;max-width:760px}
.research-focus span{display:inline-block;font-family:Arial,sans-serif;font-size:1.35em;line-height:0;vertical-align:middle;margin:0 .14em;color:#BFE1F8}
.research-interests{background:#F8FAFC;padding:72px 0 68px;border-top:1px solid var(--line)}
.research-interests h2{font-family:Georgia,"Times New Roman",serif;font-size:clamp(34px,4vw,48px);line-height:1.1;letter-spacing:-.035em;margin:0 0 34px;color:var(--navy)}
.interest-row{display:grid;grid-template-columns:repeat(5,1fr)}
.interest-item{text-align:center;padding:0 24px;position:relative}
.interest-item:not(:last-child){border-right:1px solid #CFE0ED}
.interest-icon{width:74px;height:74px;border-radius:50%;background:#EAF3FA;color:#0D4F91;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:37px;line-height:1;font-family:Arial,sans-serif}
.interest-item h3{font-family:Georgia,"Times New Roman",serif;color:var(--navy);font-size:20px;line-height:1.15;margin:0 0 12px}
.interest-item p{margin:0;color:#334C62;font-size:13px;line-height:1.55}
@media(max-width:900px){
  .research-focus{font-size:22px}
  .interest-row{grid-template-columns:1fr 1fr;gap:28px}
  .interest-item{padding:0 12px}
  .interest-item:nth-child(2){border-right:0}
  .interest-item:nth-child(3){border-right:1px solid #CFE0ED}
  .interest-item:nth-child(4){border-right:0}
  .interest-item:last-child{grid-column:1/-1;max-width:50%;margin:0 auto}
}
@media(max-width:600px){
  .research-focus{font-size:20px;line-height:1.5}
  .research-focus span{font-size:1.2em;margin:0 .1em}
  .interest-row{grid-template-columns:1fr;gap:30px}
  .interest-item,.interest-item:nth-child(3){border-right:0;border-bottom:1px solid #CFE0ED;padding-bottom:28px}
  .interest-item:last-child{grid-column:auto;max-width:none;border-bottom:0}
}