/* =============== Base / Theme =============== */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap");

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
:root{
  --bg: #fafafa;
  --fg: #0c0c0c;
  --muted:#6b7280;
  --panel:#ffffff;
  --border:#e5e7eb;
  --accent:#111111;

  /* section bands */
  --band-1: #f6f8fc;
  --band-2: #eef2f8;
}
:root[data-theme-dark]{
  --bg: #0b0e12;
  --fg: #e5e7eb;
  --muted:#94a3b8;
  --panel:#0f141a;
  --border:#1f2937;
  --accent:#f5f5f5;

  --band-1: #0f1218;
  --band-2: #0c0f14;
}

body{
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background:var(--bg); color:var(--fg);
}
a{ color:var(--fg); text-decoration:none; }
a:hover{ text-decoration:underline; }
.container{ width:min(1100px, 92%); margin:0 auto; }

/* =============== Header / Nav =============== */
.site-header{
  position: sticky; top:0; z-index:20;
  background:var(--bg); border-bottom:1px solid var(--border);
}
.nav-wrap{ display:flex; align-items:center; gap:1rem; min-height:64px; }
.brand{ flex:1; }
.brand-title{ font-weight:700; letter-spacing:.3px; }
.primary-nav .nav-links{ display:flex; gap:1.5rem; list-style:none; padding:0; margin:0; }
.right-actions{ display:flex; align-items:center; gap:.5rem; }
.icon-btn{ border:1px solid var(--border); background:var(--panel); color:var(--fg); border-radius:10px; padding:.4rem .55rem; cursor:pointer; }
.icon-btn.hamburger{ display:none; }
.icon-btn .sun{ display:inline-block; }
.icon-btn .moon{ display:none; }
:root[data-theme-dark] .icon-btn .sun{ display:none; }
:root[data-theme-dark] .icon-btn .moon{ display:inline-block; }

.mobile-nav{ display:none; flex-direction:column; border-bottom:1px solid var(--border); background:var(--bg); }
.mobile-nav.open{ display:flex; }
.mnav-item{ padding:12px 5%; border-top:1px solid var(--border); }

/* =============== Hero =============== */
.hero{ padding:40px 0 20px; }
.hero-grid{ display:grid; grid-template-columns: 420px 1fr; gap:36px; align-items:start; }
.hero-left{ display:flex; flex-direction:column; align-items:center; }

.avatar-frame{
  width:340px; height:340px; border-radius:50%;
  margin:0 auto; box-shadow:0 10px 30px rgba(0,0,0,.08);
  overflow:hidden; background:var(--panel); border:1px solid var(--border);
}
.profile-photo{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
}

/* Right panels */
.hero-right .panel{ background:var(--panel); border:1px solid var(--border); border-radius:16px; padding:16px; }
.cols-2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:16px; }
.panel h2, .panel h3{ margin:.2rem 0 .6rem; }
.bullets{ margin:.2rem 0 0 1rem; }

/* =============== Social icon row =============== */
.social-icons{
  display:flex; align-items:center; justify-content:center;
  gap:12px; margin-top:12px; width:100%;
}
.social-icons a{
  display:inline-flex; align-items:center; justify-content:center;
  width:36px; height:36px; color: var(--fg);
  opacity:.82; text-decoration:none; transition: opacity .2s ease, transform .2s ease;
}
.social-icons a:hover{ opacity:1; transform: translateY(-1px); }
.social-icons svg{ width:26px; height:26px; fill: currentColor; }
/* CV chip */
.social-icons .cv{
  width:auto; padding:0 10px; height:36px; line-height:36px;
  border:1px solid currentColor; border-radius:8px; font-weight:700; font-size:.85rem;
}
/* Academicons sizing */
.social-icons .ai-link{ display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; opacity:.82; transition:opacity .2s, transform .2s; }
.social-icons .ai-link:hover{ opacity:1; transform: translateY(-1px); }
.social-icons .ai{ font-size:26px; line-height:1; color: currentColor; }
:root[data-theme-dark] .social-icons a,
:root[data-theme-dark] .social-icons .cv,
:root[data-theme-dark] .social-icons .ai-link{ color:#bfd5ea; border-color:#bfd5ea; }

/* =============== Sections =============== */
.section{ padding:56px 0; }
.section-title{ font-size:1.8rem; margin:0 0 18px; }

/* ===== Section Bands (full-width separators) ===== */
.band{
  position: relative; padding: 72px 0; scroll-margin-top: 84px;
}
.band:nth-of-type(odd){  background: var(--band-1); }
.band:nth-of-type(even){ background: var(--band-2); }
.band::before,
.band::after{
  content: ""; position: absolute; left: 0; right: 0; height: 18px;
  pointer-events: none; opacity: .12;
  background: radial-gradient(50% 14px at 50% 100%, #000, transparent 70%);
}
.band::before{ top: -14px; transform: scaleY(-1); }
.band::after { bottom: -14px; }
.band .section{ margin: 0 auto; }

/* =============== Timeline =============== */
.timeline{ position:relative; margin-left:12px; }
.timeline::before{ content:""; position:absolute; left:14px; top:6px; bottom:6px; width:2px; background:var(--border); }
.tl-item{ display:flex; gap:16px; margin:18px 0; }
.tl-dot{ width:14px; height:14px; border-radius:50%; background:var(--accent); margin-left:-1px; margin-top:8px; }
.tl-content{ background:var(--panel); border:1px solid var(--border); border-radius:14px; padding:12px 14px; flex:1; }
.tl-role{ margin:.2rem 0; }
.tl-meta{ color:var(--muted); font-size:.9rem; margin-bottom:.3rem; }

/* =============== Projects (pubrow style) =============== */
.year-heading{ margin: 18px 0 10px; font-size: 1.1rem; color: var(--muted); }
.pubrow{
  display: grid; grid-template-columns: 300px 1fr; gap: 20px;
  align-items: start; padding: 18px 0; border-bottom: 1px solid var(--border);
}
.pubmedia{
  margin: 0; width: 300px; height: 170px; background: #000;
  display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 6px;
}
.pubmedia video, .pubmedia img{ width: 100%; height: 100%; object-fit: cover; display: block; }
.pubinfo{ padding-top: 2px; }
.pubtitle{ margin: 0 0 4px; font-size: 1.1rem; }
.pubdesc{ margin: 0 0 8px; color: var(--muted); }
.publinks a{ color: var(--fg); text-decoration: underline; text-underline-offset: 3px; margin-right: 6px; }
.publinks span{ margin: 0 6px; color: var(--muted); }

/* =============== Publications card =============== */
.pubs .pub{ background:var(--panel); border:1px solid var(--border); border-radius:16px; padding:14px; }
.pub-title{ margin:.2rem 0; }
.pub-meta{ color:var(--muted); }

/* =============== Footer =============== */
.site-footer{ border-top:1px solid var(--border); padding:24px 0; text-align:center; color:var(--muted); }

/* =============== Interests (bullets + single line) =============== */
/* Replace native bullets with our own dot */
.bullets.interests-list{ list-style: none; padding-left: 0; margin: 0; }
.bullets.interests-list li{
  position: relative;
  padding-left: 1.1rem;      /* space for the dot */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 6px 0;
}
.bullets.interests-list li::before{
  content: "•";
  position: absolute;
  left: 0; top: 0;
  line-height: 1.2;          /* tweak if the dot sits too high */
  font-size: 1rem;
  color: currentColor;       /* adapts to light/dark theme */
}


/* Make Interests column wider on desktop */
@media (min-width: 900px){
  .cols-2{
    grid-template-columns: 1.4fr 0.6fr;
    gap: 20px;
  }
}

/* ===== Experience cards (friend-style) ===== */
.exp-list{
  display:grid;
  gap:16px;
}

.exp-card{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:16px;
  padding:16px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:0 1px 0 rgba(0,0,0,.04);
}

.exp-logo{
  width:72px; height:72px;
  border-radius:12px;
  border:1px solid var(--border);
  background:linear-gradient(135deg,#e5e7eb,#f3f4f6);
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
:root[data-theme-dark] .exp-logo{
  background:linear-gradient(135deg,#1f2937,#0f172a);
}
.exp-logo img{
  width:100%; height:100%;
  object-fit:contain;
  padding:8px;                /* a little breathing room inside */
}

.exp-role{
  font-size:1.35rem;
  margin:0;
}
/* Company name: plain text, no link, no brand color */
.exp-company{
  margin-top: 2px;
  font-weight: 600;
  color: var(--fg);      /* was var(--brand, var(--fg)) */
  text-decoration: none; /* just in case */
}

.exp-company:hover{ text-decoration:underline; }

.exp-meta{
  margin-top:8px;
  color:var(--muted);
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
}
.exp-meta .dot{
  width:4px; height:4px; border-radius:50%;
  background:currentColor; display:inline-block;
}

.exp-desc{
  margin-top:16px;
  font-size:1.05rem;
}

/* small screens */
@media (max-width:560px){
  .exp-card{ grid-template-columns:56px 1fr; }
  .exp-role{ font-size:1.1rem; }
}

.exp-card .exp-company { 
  text-decoration: none !important; 
  color: var(--fg); 
}

/* Force company name to be blue in all states */
:root{ --brand-link:#2563eb; }
:root[data-theme-dark]{ --brand-link:#60a5fa; }

.exp-body a.exp-company,
.exp-body a.exp-company:link,
.exp-body a.exp-company:visited,
.exp-body a.exp-company:hover,
.exp-body a.exp-company:active{
  color: var(--brand-link) !important;
  text-decoration: none !important; /* also kills the hover underline from global a:hover */
  font-weight: 600;
}

/* optional: tiny hover cue */
.exp-body a.exp-company:hover{ opacity:.92; }


/* Make the entire thumbnail area clickable and keyboard-focusable */
.pubmedia a{
  display:block;
  width:100%;
  height:100%;
  border-radius: 6px;
  overflow:hidden;
}
.pubmedia a:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Let clicks pass through the media to the link */
.pubmedia img,
.pubmedia video{ pointer-events: none; }

.pubmedia a{ display:block; width:100%; height:100%; border-radius:6px; overflow:hidden; }
.pubmedia a:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
.pubmedia img, .pubmedia video{ pointer-events:none; }

/* =============== Education (two lines with cap icon) =============== */
.edu-list{ list-style:none; margin:0; padding:0; }
.edu-item{
  position:relative; padding-left:36px; margin:12px 0 16px;
}

/* Always show underline for [pdf] links in publication titles */
.pubs .pub .pub-title a{
  text-decoration: underline !important;
  text-underline-offset: 3px;   /* nicer spacing */
}

/* Optional: make them link-blue (remove if you want current color) */
.pubs .pub .pub-title a{
  color: #2563eb;                /* blue */
}
:root[data-theme-dark] .pubs .pub .pub-title a{
  color: #93c5fd;                /* softer blue in dark mode */
}
.identity {
  width: 100%;
  max-width: 340px;
  margin-top: 20px;

  display: flex;
  flex-direction: column;
  align-items: center;

  text-align: center;
}

.name {
  width: 100%;
  margin: 0 0 22px;
  font-size: 1.9rem;
  line-height: 1.5;
  text-align: center;
}

.role {
  width: 100%;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

.social-icons {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 4px;
}

/* ==================================================
   MOBILE RESPONSIVE FIXES
   ================================================== */

@media (max-width: 768px) {

  /* Prevent accidental horizontal scrolling */
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .container {
    width: 92%;
    max-width: 100%;
  }

  /* ================= Header ================= */

  .site-header {
    position: sticky;
    top: 0;
  }

  .nav-wrap {
    min-height: 64px;
    gap: 10px;
  }

  .brand-title {
    font-size: 1rem;
    line-height: 1.25;
  }

  .right-actions {
    flex-shrink: 0;
  }

  .icon-btn {
    width: 42px;
    height: 42px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Show hamburger on mobile */
.icon-btn.hamburger {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
  }

  .hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 0;
    background: currentColor;
    border-radius: 999px;
  }

  /* Optional animation when menu is open */
  .hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Mobile dropdown */
  .mobile-nav {
    padding: 6px 4%;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
  }

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

  .mnav-item {
    padding: 13px 10px;
    border-top: none;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    font-weight: 500;
  }

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

  /* ================= Hero ================= */

  .hero {
    padding: 32px 0 28px;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-left,
  .hero-right {
    width: 100%;
    min-width: 0;
  }

  .avatar-frame {
    width: min(78vw, 320px);
    height: min(78vw, 320px);
  }

  .avatar-frame img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
  }

  .identity {
    width: 100%;
    max-width: 360px;
    margin: 22px auto 0;
    text-align: center;
  }

  .name {
    width: 100%;
    margin: 0 0 20px;
    font-size: clamp(1.8rem, 8vw, 2.35rem);
    line-height: 1.35;
    text-align: center;
  }

  .role {
    width: 100%;
    margin: 0 0 14px;
    font-size: 1rem;
    line-height: 1.5;
    text-align: center;
  }

  .social-icons {
    margin-top: 14px;
    gap: 13px;
    flex-wrap: wrap;
  }

  .social-icons a {
    width: 38px;
    height: 38px;
  }

  .hero-right {
    margin-top: 0;
  }

  .hero-right .panel {
    padding: 20px;
    border-radius: 15px;
  }

  .hero-right .panel p {
    font-size: 0.97rem;
    line-height: 1.75;
  }

  /* Interests and Education */
  .cols-2 {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 16px;
  }

  .bullets.interests-list li {
    white-space: normal;
    overflow: visible;
    text-overflow: initial;
  }

  /* ================= General sections ================= */

  .section {
    padding: 40px 0;
  }

  .band {
    padding: 20px 0;
  }

  .section-title {
    margin-bottom: 20px;
    font-size: 1.6rem;
  }

  /* ================= Experience ================= */

  .exp-list {
    gap: 18px;
  }

  .exp-card {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 13px;
    padding: 15px;
    border-radius: 14px;
  }

  .exp-logo {
    width: 58px;
    height: 58px;
    border-radius: 10px;
  }

  .exp-logo img {
    padding: 6px;
  }

  .exp-body {
    min-width: 0;
  }

  .exp-role {
    font-size: 1.08rem;
    line-height: 1.35;
  }

  .exp-company {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.94rem;
  }

  .exp-meta {
    margin-top: 7px;
    gap: 6px;
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .exp-desc {
    grid-column: 1 / -1;
    margin: 13px 0 0;
    font-size: 0.94rem;
    line-height: 1.65;
  }

  /*
    Your paragraph is inside .exp-body, so allow it
    to use the full card width visually.
  */
  .exp-body .exp-desc {
    width: calc(100% + 71px);
    margin-left: -71px;
    padding-top: 8px;
  }

  /* ================= Projects ================= */

  .year-heading {
    margin: 20px 0 8px;
  }

  .pubrow {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    gap: 14px;
    padding: 20px 0;
  }

  .pubmedia {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    border-radius: 10px;
  }

  .pubmedia a {
    width: 100%;
    height: 100%;
  }

  .pubmedia img,
  .pubmedia video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .pubinfo {
    width: 100%;
    min-width: 0;
    padding: 0;
  }

  .pubtitle {
    margin-bottom: 8px;
    font-size: 1.08rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
  }

  .pubdesc {
    margin-bottom: 10px;
    font-size: 0.94rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
  }

  .publinks {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 7px;
    font-size: 0.93rem;
  }

  .publinks a,
  .publinks span {
    margin: 0;
  }

  /* ================= Education ================= */

  .edu-item {
    padding-left: 32px;
    margin: 14px 0 18px;
  }

  .edu-item::before {
    width: 20px;
    height: 20px;
  }

  .edu-top {
    white-space: normal;
    font-size: 0.96rem;
    line-height: 1.4;
  }

  .edu-school {
    font-size: 0.88rem;
    line-height: 1.45;
  }
}


/* Extra-small phones */
@media (max-width: 420px) {

  .container {
    width: 90%;
  }

  .brand-title {
    font-size: 0.9rem;
  }

  .icon-btn {
    width: 39px;
    height: 39px;
  }

  .avatar-frame {
    width: min(76vw, 290px);
    height: min(76vw, 290px);
  }

  .name {
    font-size: 1.85rem;
  }

  .hero-right .panel {
    padding: 17px;
  }

  .hero-right .panel p {
    font-size: 0.93rem;
  }

  .exp-card {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 11px;
    padding: 13px;
  }

  .exp-logo {
    width: 52px;
    height: 52px;
  }

  .exp-body .exp-desc {
    width: calc(100% + 63px);
    margin-left: -63px;
  }
}


.edu-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  background: currentColor;

  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3 1 8l11 5 9-4.09V17h2V8L12 3zm0 7L4.5 6.5 12 4l7.5 3.5L12 10zm-6 3.5V15c0 2.76 3.58 5 8 5s8-2.24 8-5v-1.5l-8 3.64-8-3.64z'/%3E%3C/svg%3E")
    no-repeat center / contain;

  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3 1 8l11 5 9-4.09V17h2V8L12 3zm0 7L4.5 6.5 12 4l7.5 3.5L12 10zm-6 3.5V15c0 2.76 3.58 5 8 5s8-2.24 8-5v-1.5l-8 3.64-8-3.64z'/%3E%3C/svg%3E")
    no-repeat center / contain;

  opacity: 0.92;
}
.edu-top{
  font-weight:700; font-size:1.05rem; line-height:1.2; white-space:nowrap;
}
.edu-school{
  margin-top:4px; font-size:.95rem; color: var(--muted);
}
@media (max-width: 520px){
  .edu-top{ white-space:normal; }
}

/* =============== Responsive =============== */
@media (max-width: 1000px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-right{ margin-top: 8px; }
}

/* ---------- Smooth anchor scrolling + header offset ---------- */
html{ scroll-behavior: smooth; }
.hero, .section{ scroll-margin-top: 80px; } /* avoid sticky header overlap */

/* =========================================
   FINAL RESPONSIVE NAVIGATION FIX
   ========================================= */

/* Desktop and laptop: show normal navigation and hide hamburger */
.primary-nav {
  display: block;
}

.icon-btn.hamburger {
  display: none;
}

.mobile-nav {
  display: none;
}

/* Phones and small tablets only */
@media (max-width: 768px) {
  .primary-nav {
    display: none;
  }

  .icon-btn.hamburger {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 42px;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
  }

  .icon-btn.hamburger span {
    position: absolute;
    left: 50%;
    display: block;
    width: 20px;
    height: 2px;
    margin: 0;
    padding: 0;
    background: currentColor;
    border-radius: 999px;
    transform: translateX(-50%);
    transition:
      top 0.25s ease,
      transform 0.25s ease,
      opacity 0.25s ease;
  }

  .icon-btn.hamburger span:nth-child(1) {
    top: calc(50% - 7px);
  }

  .icon-btn.hamburger span:nth-child(2) {
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .icon-btn.hamburger span:nth-child(3) {
    top: calc(50% + 5px);
  }

  .icon-btn.hamburger[aria-expanded="true"] span:nth-child(1) {
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .icon-btn.hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .icon-btn.hamburger[aria-expanded="true"] span:nth-child(3) {
    top: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
  }

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