/* =========================================================
   1. ROOT & RESET
========================================================= */

:root{
  --primary:#163A63;
  --secondary:#0F2742;
  --accent:#C48A2B;
  --bg:#F7F9FC;
  --white:#FFFFFF;
  --text:#1E293B;
  --light:#64748B;
  --border:#E5EAF2;
  --radius:18px;
  --shadow:0 12px 35px rgba(15,39,66,.08);
  --transition:.3s ease;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:Inter,system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
}

img{
  display:block;
  max-width:100%;
}

a{
  text-decoration:none;
  color:inherit;
}

button{
  font:inherit;
  border:none;
  background:none;
  cursor:pointer;
}

/* Wider content area */
.container{
  width:min(1380px,94%);
  margin:auto;
}


/* =========================================================
   2. SECTION
========================================================= */

.page-section{
  display:none;
  min-height:100vh;
  padding:24px 0 40px;
  animation:fade .45s ease;
}

.page-section.active{
  display:block;
}

.section-alt{
  background:#fff;
}


/* ---------- Page Heading ---------- */

.section-header{
  text-align:center;
  max-width:720px;
  margin:0 auto 32px;
}

.section-header h2{
  font:700 2.6rem "Playfair Display",serif;
  color:var(--primary);
  margin:0 0 10px;
  letter-spacing:-.02em;
}

.section-header p{
  color:var(--light);
  font-size:.96rem;
  line-height:1.7;
}


/* Remove old eyebrow */

.eyebrow{
  display:none;
}


/* =========================================================
   MOBILE SECTION
========================================================= */

@media (max-width:768px){

  .page-section{
    padding:20px 0 35px;
  }

  .section-header{
    margin-bottom:24px;
  }

  .section-header h2{
    font-size:2rem;
  }

  .section-header p{
    font-size:.9rem;
  }

}


/* =========================================================
   3. NAVBAR
========================================================= */

.navbar{
  position:sticky;
  top:0;
  z-index:999;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(0,0,0,.05);
}

.nav-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:68px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
}

.brand-logo{
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(255,255,255,.88);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:6px;
  box-shadow:0 2px 10px rgba(187,178,178,.08);
  flex-shrink:0;
}

.brand-logo img{
  width:100%;
  height:100%;
  object-fit:contain;
}

.brand-text strong{
  display:block;
  font-size:.9rem;
  color:var(--primary);
}

.brand-text span{
  font-size:.72rem;
  color:var(--light);
}

.nav-links{
  display:flex;
  align-items:center;
  gap:20px;
}

.nav-link,
.nav-dropdown-btn{
  color:var(--light);
  font-size:.84rem;
  font-weight:600;
  transition:var(--transition);
}

.nav-link:hover,
.nav-link.active,
.nav-dropdown:hover .nav-dropdown-btn{
  color:var(--primary);
}

.nav-dropdown{
  position:relative;
}

.nav-dropdown-btn{
  display:flex;
  align-items:center;
  gap:6px;
}

.nav-dropdown-btn i{
  font-size:.68rem;
}

.nav-dropdown-menu{
  position:absolute;
  top:42px;
  left:0;
  width:210px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:var(--transition);
}

.nav-dropdown:hover .nav-dropdown-menu{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.nav-dropdown-menu a{
  display:block;
  padding:12px 16px;
  font-size:.82rem;
}

.nav-dropdown-menu a:hover{
  background:#F3F7FC;
  color:var(--primary);
}

.menu-btn{
  display:none;
}


/* =========================================================
   4. HOME / HERO
========================================================= */

.hero-section{
  position:relative;
  min-height:calc(100vh - 68px);
  overflow:hidden;
  isolation:isolate;
}

.hero-bg{
  position:absolute;
  inset:0;
  background:url("assets/images/home_bg1.png") center center/cover no-repeat;
  opacity:.23;
  z-index:-1;
  pointer-events:none;
}

.hero{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;

  /* Reduced spacing */
  gap:30px;

  /* Reduced vertical space */
  min-height:calc(100vh - 68px);
  padding:20px 0;

  overflow:hidden;
}

.hero-content,
.hero-image{
  position:relative;
  z-index:1;
}

.hero-content{
  animation:fadeUp .7s ease;
}

.hero-eyebrow{
  color:var(--accent);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
}

.hero h1{
  font:700 3.5rem "Playfair Display",serif;
  color:var(--primary);
  line-height:1.05;

  /* Reduced spacing */
  margin:8px 0;
}

.hero h3{
  color:var(--text);
  font-size:1.15rem;

  /* Reduced spacing */
  margin-bottom:2px;
}

.hero h4{
  color:var(--light);
  font-weight:500;

  /* Reduced spacing */
  margin-bottom:12px;
}

.hero p{
  color:#475569;
  font-size:.96rem;

  /* Reduced spacing */
  margin-bottom:18px;

  max-width:620px;
}

.hero-tags{
  display:flex;
  flex-wrap:wrap;

  /* Reduced tag spacing */
  gap:8px;

  /* Reduced bottom spacing */
  margin-bottom:20px;
}

.hero-tags span{
  padding:7px 14px;
  border-radius:999px;
  background:#EAF2FB;
  color:var(--primary);
  font-size:.74rem;
  font-weight:600;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.btn{
  padding:12px 21px;
  border-radius:10px;
  font-size:.84rem;
  font-weight:600;
  transition:var(--transition);
}

.btn-primary{
  background:var(--primary);
  color:#fff;
}

.btn-primary:hover{
  background:var(--secondary);
  transform:translateY(-3px);
}

.btn-outline{
  border:1px solid var(--primary);
  color:var(--primary);
}

.btn-outline:hover{
  background:var(--primary);
  color:#fff;
}


/* =========================================================
   PROFILE IMAGE
========================================================= */

.hero-image{
  display:flex;
  justify-content:center;
  align-items:center;
}

.profile-frame{

  /* Reduced from 360px */
  width:330px;

  padding:9px;
  border-radius:26px;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);

  box-shadow:
    0 18px 40px rgba(22,58,99,.12),
    0 0 0 1px rgba(59,130,246,.06);

  position:relative;
  z-index:2;
}

.profile-frame img{
  width:100%;
  display:block;
  border-radius:19px;
  object-fit:cover;
}


/* Disable old image */

.chip-bg{
  display:none;
}


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

@media (max-width:900px){

  .hero{
    grid-template-columns:1fr;
    gap:26px;
    text-align:center;
    padding:24px 0;
  }

  .hero-image{
    order:-1;
  }

  .profile-frame{
    width:260px;
  }

  .hero h1{
    font-size:2.7rem;
  }

  .hero p{
    margin-inline:auto;
  }

  .hero-tags,
  .hero-actions{
    justify-content:center;
  }

}


/* =========================================================
   5. ABOUT
========================================================= */

.about-wrapper{
  display:grid;
  grid-template-columns:1.5fr .95fr;
  gap:30px;
}

.about-content{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  padding:26px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}

.about-content::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("assets/images/chips_bg.png") center/420px no-repeat;
  opacity:.25;
}

.bio-list{
  position:relative;
  z-index:2;
  display:grid;
  gap:14px;
}

.bio-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
}

.bio-icon{
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:.9rem;
  flex-shrink:0;
}

.bio-item p{
  color:#475569;
  font-size:.92rem;
}


/* =========================================================
   AT A GLANCE
========================================================= */

.glance-card{
  background:linear-gradient(180deg,#FFFEFB 0%,#FFFFFF 100%);
  border:1px solid rgba(184,134,11,.28);
  border-radius:20px;
  padding:24px;
  box-shadow:0 10px 28px rgba(184,134,11,.08);
  height:fit-content;
}

.glance-card h3{
  color:#B8860B;
  margin-bottom:16px;
  font-size:1.55rem;
  font-weight:700;
}

.glance-item{
  padding:12px 0;
  border-bottom:1px solid rgba(184,134,11,.22);
}

.glance-item:last-child{
  border-bottom:none;
}

.glance-item span{
  display:block;
  color:#B8860B;
  font-size:.72rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.08em;
  margin-bottom:4px;
}

.glance-item strong{
  color:var(--primary);
  font-size:.94rem;
  font-weight:600;
  line-height:1.5;
}


/* =========================================================
   6. ANIMATION
========================================================= */

@keyframes fade{
  from{
    opacity:0;
    transform:translateY(12px);
  }

  to{
    opacity:1;
    transform:none;
  }
}

@keyframes fadeUp{
  from{
    opacity:0;
    transform:translateY(25px);
  }

  to{
    opacity:1;
    transform:none;
  }
}

@keyframes float{
  0%,100%{
    transform:translateY(0);
  }

  50%{
    transform:translateY(-10px);
  }
}

@keyframes floatChip{
  0%,100%{
    transform:rotate(0) scale(1);
  }

  50%{
    transform:rotate(2deg) scale(1.03);
  }
}


/* =========================================================
   7. RESPONSIVE
========================================================= */

@media(max-width:900px){

  .nav-links{
    display:none;
  }

  .menu-btn{
    display:block;
  }

  .hero,
  .about-wrapper{
    grid-template-columns:1fr;
  }

  .hero-image{
    order:-1;
  }

  .profile-frame{
    width:280px;
  }

  .hero h1{
    font-size:2.7rem;
  }

  .section-header h2{
    font-size:1.9rem;
  }

}


/* =========================================================
   8. EDUCATION & EXPERIENCE
========================================================= */

.ee-tabs{
  display:flex;
  justify-content:center;
  gap:12px;
  margin-bottom:26px;
}

.ee-tab{
  padding:10px 22px;
  border:1px solid var(--border);
  border-radius:999px;
  background:#fff;
  color:var(--light);
  font-weight:600;
  transition:var(--transition);
}

.ee-tab.active,
.ee-tab:hover{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}

.ee-panel{
  display:none;
}

.ee-panel.active{
  display:block;
}

.timeline{
  display:grid;
  gap:18px;
}

.timeline-item{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:22px;
  padding:22px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow);
}

.timeline-year{
  color:var(--accent);
  font-weight:700;
  font-size:.85rem;
}

.timeline-item h3{
  color:var(--primary);
  margin-bottom:4px;
}

.timeline-item h4{
  color:var(--text);
  margin-bottom:7px;
  font-size:.95rem;
}

.timeline-item p{
  color:var(--light);
  font-size:.9rem;
}


/* =========================================================
   9. RESEARCH
========================================================= */

.research-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
}

.research-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  padding:24px;
  box-shadow:var(--shadow);
  transition:var(--transition);
}

.research-card:hover{
  transform:translateY(-6px);
}

.research-label{
  color:var(--accent);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.research-card h3{
  color:var(--primary);
  margin:9px 0 6px;
  font-size:1.3rem;
}

.research-card h4{
  color:#334155;
  font-size:.92rem;
  margin-bottom:11px;
  line-height:1.5;
}

.research-card p{
  color:var(--light);
  font-size:.9rem;
}

.research-card a{
  color:inherit;
}


/* =========================================================
   10. PUBLICATIONS
========================================================= */

.publication-tabs{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}

.publication-tab{
  padding:9px 19px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--light);
  font-weight:600;
  transition:var(--transition);
}

.publication-tab.active{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}

.publication-list{
  display:grid;
  gap:16px;
}

.publication-card{
  display:grid;
  grid-template-columns:70px 1fr;
  gap:20px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:20px;
  box-shadow:var(--shadow);
}

.publication-year{
  color:var(--accent);
  font-size:1rem;
  font-weight:700;
}

.publication-title{
  font-size:1.05rem;
  font-weight:600;
  line-height:1.5;
  margin-bottom:7px;
}

.publication-title a{
  color:var(--text);
  transition:var(--transition);
}

.publication-title a:hover{
  color:#0057D9;
  text-decoration:underline;
}

.publication-authors{
  color:#475569;
  font-size:.88rem;
  margin-bottom:5px;
}

.publication-venue{
  color:var(--primary);
  font-size:.84rem;
  font-weight:600;
}

.publication-date{
  color:#94A3B8;
  font-size:.8rem;
  margin-top:5px;
}


/* =========================================================
   11. GALLERY
========================================================= */

.gallery-tabs{
  display:flex;
  justify-content:center;
  gap:10px;
  margin-bottom:26px;
}

.gallery-tab{
  padding:9px 21px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--light);
  font-weight:600;
}

.gallery-tab.active{
  background:var(--primary);
  color:#fff;
}

.gallery-panel{
  display:none;
}

.gallery-panel.active{
  display:block;
}

.gallery-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}

.gallery-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow);
  cursor:pointer;
  transition:var(--transition);
}

.gallery-card:hover{
  transform:translateY(-5px);
}

.gallery-image{
  height:190px;
  overflow:hidden;
}

.gallery-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:.5s;
}

.gallery-card:hover img{
  transform:scale(1.08);
}

.gallery-info{
  padding:15px;
}

.gallery-info h3{
  color:var(--primary);
  font-size:1rem;
  margin-bottom:4px;
}

.gallery-info span{
  color:var(--light);
  font-size:.82rem;
}


/* ================= LIGHTBOX ================= */

.lightbox{
  position:fixed;
  inset:0;
  background:rgba(8,15,30,.95);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:9999;
}

.lightbox.active{
  display:flex;
}

.lightbox img{
  max-width:88vw;
  max-height:88vh;
  object-fit:contain;
  border-radius:14px;
  background:#fff;
}

.lightbox-close{
  position:absolute;
  top:24px;
  right:28px;
  width:46px;
  height:46px;
  border:none;
  background:rgba(255,255,255,.15);
  color:#fff;
  font-size:30px;
  border-radius:50%;
  cursor:pointer;
}

.lightbox-close:hover{
  background:#fff;
  color:#000;
}


/* =========================================================
   12. CONTACT
========================================================= */

.contact-wrapper{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:38px;
  align-items:center;
}


/* Contact Info */

.contact-info{
  display:flex;
  flex-direction:column;
}

.contact-item{
  padding:16px 0;
  border-bottom:1px solid rgba(196,138,43,.28);
}

.contact-item:last-of-type{
  border-bottom:none;
  margin-bottom:16px;
}

.contact-item span{
  display:block;
  color:#B6862C;
  font-size:.72rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.08em;
  margin-bottom:5px;
}

.contact-item a,
.contact-item p{
  color:var(--text);
  font-size:1rem;
  font-weight:600;
}


/* Social Icons */

.social-icons{
  display:flex;
  gap:12px;
  margin-top:8px;
}

.social-icons a{
  width:48px;
  height:48px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}

.linkedin{
  background:#0A66C2;
  color:#fff;
}

.scholar{
  background:#4285F4;
  color:#fff;
}

.gmail{
  background:#fff;
  border:1px solid #E5E7EB;
}

.gmail img{
  width:28px;
  height:28px;
  object-fit:contain;
}

.social-icons a:hover{
  transform:translateY(-4px);
  box-shadow:0 8px 18px rgba(0,0,0,.12);
}


/* Contact Form Card */

.contact-action{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  padding:28px;
  box-shadow:var(--shadow);
}

.contact-action h3{
  color:var(--primary);
  margin-bottom:10px;
}

.contact-action p{
  color:var(--light);
  margin-bottom:20px;
  line-height:1.7;
}


/* Social Icons */

.social-icons{
  display:flex;
  gap:12px;
  margin-top:10px;
}

.social-icons a{
  width:50px;
  height:50px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:#fff;
  border:1px solid #E5E7EB;
  box-shadow:0 4px 12px rgba(15,23,42,.06);
  transition:all .25s ease;
}

.social-icons img{
  width:30px;
  height:30px;
  object-fit:contain;
}

.social-icons a:hover{
  transform:translateY(-4px);
  box-shadow:0 10px 22px rgba(15,23,42,.14);
  border-color:#C48A2B;
}


/* =========================================================
   13. OTHER
========================================================= */

.other-section{
  margin-bottom:40px;
}

.subsection-heading{
  margin-bottom:16px;
}

.subsection-heading h3{
  color:var(--primary);
  font-size:1.4rem;
}

.activity-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:18px;
}

.activity-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:18px;
  padding:20px;
  box-shadow:var(--shadow);
  transition:var(--transition);
}

.activity-card:hover{
  transform:translateY(-5px);
}

.activity-card h4{
  color:var(--primary);
  margin-bottom:7px;
}

.activity-card p{
  color:var(--light);
  font-size:.9rem;
}


/* =========================================================
   OTHER TABS
========================================================= */

.other-tabs{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}

.other-tab{
  padding:9px 19px;
  border:1px solid var(--border);
  border-radius:999px;
  background:#fff;
  color:var(--light);
  font-weight:600;
  transition:var(--transition);
}

.other-tab.active,
.other-tab:hover{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}

.other-panel{
  display:none;
}

.other-panel.active{
  display:block;
}


/* =========================================================
   14. FOOTER
========================================================= */

.footer{
  background:var(--secondary);
  color:#fff;
}

.footer-content{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 0;
}

.footer-identity strong{
  display:block;
  font-size:1rem;
}

.footer-identity p{
  color:rgba(255,255,255,.65);
  font-size:.75rem;
  margin-top:4px;
}

.footer-links{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.footer-links a{
  color:rgba(255,255,255,.8);
  font-size:.78rem;
}

.footer-links a:hover{
  color:#fff;
}

.footer-socials{
  display:flex;
  gap:9px;
}

.footer-socials a{
  width:38px;
  height:38px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  transition:var(--transition);
}

.footer-socials img{
  width:20px;
  height:20px;
  object-fit:contain;
}

.footer-socials a:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.45);
}

.footer-bottom{
  text-align:center;
  padding:10px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.75rem;
  color:rgba(255,255,255,.65);
}


/* =========================================================
   15. LIGHTBOX
========================================================= */

.lightbox{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,.9);
  z-index:1000;
}

.lightbox img{
  max-width:90%;
  max-height:80vh;
  border-radius:12px;
}

#lightboxClose{
  position:absolute;
  top:20px;
  right:28px;
  font-size:2rem;
  color:#fff;
}

#lightboxCaption{
  position:absolute;
  bottom:28px;
  color:#fff;
  font-size:.95rem;
}


/* =========================================================
   16. SCROLL TOP
========================================================= */

.scroll-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:46px;
  height:46px;
  border-radius:50%;
  background:var(--primary);
  color:#fff;
  display:none;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 25px rgba(0,0,0,.18);
}


/* =========================================================
   17. RESPONSIVE
========================================================= */

@media(max-width:900px){

  .container{
    width:92%;
  }

  .timeline-item,
  .contact-wrapper{
    grid-template-columns:1fr;
  }

  .publication-card{
    grid-template-columns:1fr;
  }

  .footer-content{
    flex-direction:column;
    text-align:center;
  }

  .footer-links{
    justify-content:center;
  }

}

/* =========================================================
   FINAL FIXES — navigation, mobile menu, accessibility
========================================================= */

.nav-dropdown-menu{
  z-index:1001;
}

.menu-btn{
  width:42px;
  height:42px;
  padding:8px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}

.menu-btn span{
  display:block;
  width:22px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}

.empty-state{
  grid-column:1 / -1;
  text-align:center;
  color:var(--light);
  padding:28px 18px;
  background:#fff;
  border:1px dashed var(--border);
  border-radius:16px;
}

.activity-date{
  margin-top:8px;
  font-size:.8rem !important;
}

body.lightbox-open{
  overflow:hidden;
}

.gallery-card:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible,
.nav-dropdown-btn:focus-visible,
.ee-tab:focus-visible,
.publication-tab:focus-visible,
.gallery-tab:focus-visible,
.other-tab:focus-visible,
.menu-btn:focus-visible,
#lightboxClose:focus-visible,
.scroll-top:focus-visible{
  outline:3px solid rgba(196,138,43,.45);
  outline-offset:3px;
}

@media (max-width:900px){
  .nav-links{
    display:none;
    position:absolute;
    top:68px;
    left:3%;
    right:3%;
    width:auto;
    padding:12px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:16px;
    box-shadow:var(--shadow);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
  }

  .nav-links.mobile-open{
    display:flex;
  }

  .nav-links .nav-link,
  .nav-links .nav-dropdown-btn{
    width:100%;
    padding:12px 14px;
    text-align:left;
  }

  .nav-dropdown-menu{
    position:static;
    width:100%;
    margin-top:4px;
    display:none;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border-radius:10px;
  }

  .nav-dropdown:hover .nav-dropdown-menu{
    display:block;
  }

  .nav-dropdown-menu a{
    padding:11px 18px;
  }

  .menu-btn{
    display:flex;
  }

  .timeline-item,
  .contact-wrapper{
    grid-template-columns:1fr;
  }
}

@media (max-width:600px){
  .container{
    width:92%;
  }

  .brand-text span{
    display:none;
  }

  .brand-text strong{
    font-size:.82rem;
  }

  .brand-logo{
    width:40px;
    height:40px;
  }

  .hero h1{
    font-size:2.35rem;
  }

  .profile-frame{
    width:min(280px,82vw);
  }

  .hero-actions .btn{
    width:100%;
    text-align:center;
  }

  .publication-card{
    padding:18px;
  }

  .gallery-grid,
  .research-grid,
  .activity-grid{
    grid-template-columns:1fr;
  }
}

@media (prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto;
  }

  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}