:root{
  --bg: #084a67; /* deep blue background */
  --pink: #e85d8a;
  --light: #73c0e6;
  --muted: rgba(255,255,255,0.9);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  font-family: 'Courier New', Courier, monospace;
  background:var(--bg);
  color:var(--muted);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.site{max-width:1100px;margin:28px auto;padding:18px}
.menu-grid{
  display:grid;
  /* Column widths: 1fr for logo/about, 1.5fr for projects/research/mbbs, 1fr for blog/plab, 1fr for contact */
  grid-template-columns: 1fr 1.5fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  gap:18px;
  grid-template-areas:
    "logo proj blog blog"
    "about research plab contact"
    "about mbbs plab contact";
}
.tile{
  display:flex;align-items:center;justify-content:center;
  text-decoration:none;color:var(--muted);
  border-radius:18px;position:relative;padding:18px;
  font-size:18px;letter-spacing:2px;
  /* default 1:1 aspect ratio */
  aspect-ratio: 1 / 1;
}
.tile.logo{background:linear-gradient(180deg,#ff9fc1,#ffbfd2);color:#062b3a;font-weight:700;font-size:18px;flex-direction:column;gap:2px}
.tile.logo .logo-small{display:block;font-size:18px;margin-top:0}
.tile.pink{background:var(--pink)}
.tile.blue{background:var(--light);color:#063249}
/* specific aspect ratios for each tile (width / height) based on vertical:horizontal specs */
.tile.logo{aspect-ratio: 1 / 1} /* 1:1 = square */
.tile.projects{aspect-ratio: 1.5 / 1} /* 1:1.5 = width 1.5x height */
.tile.blog{aspect-ratio: 2 / 1} /* 1:2 = width 2x height, spans 2 columns */
.tile.about{aspect-ratio: 1 / 2} /* 2:1 = height 2x width */
.tile.research{aspect-ratio: 1.5 / 1} /* 1:1.5 */
.tile.mbbs{aspect-ratio: 1.5 / 1} /* 1:1.5 */
.tile.plab{aspect-ratio: 1 / 2} /* 2:1 = height 2x width, same as about */
.tile.contact{aspect-ratio: 1 / 2} /* 2:1 = height 2x width, same as about */
.tile::after{
  content:"\2192"; /* arrow */
  position:absolute;right:12px;bottom:10px;background:rgba(255,255,255,0.12);
  width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:14px
}

/* hide the arrow on the logo tile */
.tile.logo::after{display:none}

/* map tiles to grid areas so order and proportions stay exact */
.logo{grid-area:logo}
.projects{grid-area:proj}
.blog{grid-area:blog}
.about{grid-area:about}
.research{grid-area:research}
.mbbs{grid-area:mbbs}
.plab{grid-area:plab}
.contact{grid-area:contact}
.divider{border:0;border-top:2px solid rgba(255,255,255,0.18);margin:28px 0}
.hero{display:flex;gap:24px;align-items:center;padding:12px 8px}
.hero-art{flex:0 0 260px}
.hero-text{flex:1}
.hero-text h3{text-align:center;letter-spacing:4px;margin:0 0 12px;font-weight:700}
.hero-text p{line-height:1.6;text-align:center;max-width:650px;margin:0 auto}

/* ABOUT page styles */
.about-wrap{padding:48px 28px;max-width:1100px;margin:28px auto;background:transparent}
.about-head{font-size:48px;letter-spacing:8px;margin:6px 0 30px;color:#fff}
.timeline{background:rgba(255,255,255,0.05);padding:28px;border-radius:8px}
.timeline p{color:#f6fbff;line-height:1.9;text-align:center;font-size:20px;margin:10px 0}
.timeline strong{display:block;color:#fff;margin-bottom:6px}

/* Contact list styles */
.contact-list{list-style:none;padding:0;margin:18px auto;max-width:560px;display:flex;flex-direction:column;gap:14px}
.contact-item a{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit;padding:12px;border-radius:10px;background:rgba(255,255,255,0.03);transition:background .18s,transform .08s}
.contact-item a:hover,.contact-item a:focus{background:rgba(255,255,255,0.07);transform:translateY(-2px)}
.contact-item svg{width:28px;height:28px;flex:0 0 28px;color:var(--muted)}
.contact-item span{font-size:18px}
.contact-section h2{margin-bottom:18px}
.back-link{display:inline-block;margin-bottom:12px;color:var(--muted);text-decoration:none}

/* Research portfolio styles */
.research-grid{display:flex;flex-direction:column;gap:20px;padding:12px 0;max-width:700px;margin:0 auto}
.research-card{display:flex;flex-direction:column;gap:12px;padding:24px;background:rgba(255,255,255,0.05);border-radius:12px;text-decoration:none;color:inherit;transition:background .2s,transform .15s;border:1px solid rgba(255,255,255,0.08)}
.research-card:hover,.research-card:focus{background:rgba(255,255,255,0.09);transform:translateY(-3px)}
.research-card h3{margin:0;font-size:22px;letter-spacing:1px;color:#fff;line-height:1.3}
.research-card p{margin:0;line-height:1.6;color:var(--muted);font-size:16px}
.research-card .view-pdf{display:inline-block;margin-top:8px;font-size:14px;color:var(--light);font-weight:600;letter-spacing:1px}



/* Responsive */
@media (max-width:900px){
  /* keep the same grid layout but scale down spacing and font sizes so proportions remain identical */
  .site{padding:12px}
  .menu-grid{gap:12px}
  .tile{font-size:16px;padding:14px}
  .hero{flex-direction:column;align-items:center}
  .hero-art{flex:none}
}

@media (max-width:768px){
  /* On tablets and smaller, switch to a simpler 2-column grid */
  .menu-grid{
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "logo proj"
      "blog blog"
      "about research"
      "about mbbs"
      "plab contact"
      "plab contact";
  }
  .tile{font-size:15px;padding:12px}
  .tile.logo{aspect-ratio: 1 / 1}
  .tile.projects{aspect-ratio: 1 / 1}
  .tile.blog{aspect-ratio: 2 / 1}
  .tile.about{aspect-ratio: 1 / 2}
  .tile.research{aspect-ratio: 1 / 1}
  .tile.mbbs{aspect-ratio: 1 / 1}
  .tile.plab{aspect-ratio: 1 / 2}
  .tile.contact{aspect-ratio: 1 / 2}
}

@media (max-width:420px){
  /* On mobile, use single column for better readability */
  .site{padding:8px}
  .menu-grid{
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "logo"
      "proj"
      "blog"
      "about"
      "research"
      "plab"
      "mbbs"
      "contact";
  }
  .tile{font-size:14px;padding:12px;aspect-ratio: 2.5 / 1 !important}
  .about-head{font-size:34px}
  .hero-text h3{font-size:18px}
  .hero-text p{font-size:14px}
}