/* =========================
   THEME — Forest Green + Cream
   ========================= */
:root{
  --dark: #0F3D2E;           /* Forest Green (primary) */
  --dark-2:#0B2C22;          /* Deeper green for accents */
  --cream:#F6F1E6;           /* Cream/off-white (background) */
  --cream-2:#FBF7EF;         /* Slightly lighter cream */
  --ink:  #163028;           /* Text on light */
  --muted:#49685D;           /* Subtext */
  --line: rgba(15,61,46,.18);
  --card: rgba(255,255,255,.55);
  --shadow: 0 12px 30px rgba(15,61,46,.12);
  --radius: 18px;
  --radius-sm: 12px;
  --focus: 0 0 0 3px rgba(15,61,46,.20);
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }

.page{
  min-height: 100%;
  display:flex;
  flex-direction: column;
}

/* =========================
   SECTION 1 — HERO (Dark)
   ========================= */
.hero{
  background: radial-gradient(1200px 500px at 20% 20%, rgba(255,255,255,.10), transparent 60%),
              linear-gradient(135deg, var(--dark), var(--dark-2));
  color: #fff;
  padding: 48px 20px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.container{
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.hero-grid{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 26px;
  align-items: center;
}

.avatar{
  width: 160px;
  aspect-ratio: 1/1;
  border-radius: 999px;
  overflow:hidden;
  border: 3px solid rgba(255,255,255,.18);
  box-shadow: 0 14px 28px rgba(0,0,0,.22);
  background: rgba(255,255,255,.08);
}
.avatar img{
  width:100%;
  height:100%;
  object-fit: cover;
}

.hero h1{
  margin: 0 0 6px;
  font-size: clamp(28px, 2.6vw, 40px);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.hero .subtitle{
  margin: 0 0 14px;
  opacity: .95;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.01em;
}

.summary{
  margin: 0;
  max-width: 87ch;
  opacity: .92;
  font-weight: 400;
}

.meta-row{
  margin-top: 18px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16);
  font-size: 13px;
  opacity: .95;
}

.chip .dot{
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.85);
  opacity: .9;
}

/* =========================
   SECTION 2 — CONTENT (Cream)
   ========================= */
.content{
  background: linear-gradient(180deg, var(--cream), var(--cream-2));
  padding: 34px 20px 60px;
  flex: 1;
}

.panel{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

/* Tabs */
.tabs{
  display:flex;
  gap: 8px;
  padding: 14px;
  background: rgba(15,61,46,.06);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.tab-btn{
  appearance:none;
  border: 1px solid rgba(15,61,46,.18);
  background: rgba(255,255,255,.55);
  color: var(--dark);
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .01em;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.tab-btn:hover{ transform: translateY(-1px); }
.tab-btn:focus{ outline:none; box-shadow: var(--focus); }
.tab-btn[aria-selected="true"]{
  background: var(--dark);
  color: #fff;
  border-color: rgba(15,61,46,.6);
}

.tab-content{
  padding: 22px 18px 26px;
}

.tab-pane{ display:none; }
.tab-pane.active{ display:block; }

.section-title{
  color: var(--dark);
  font-size: 18px;
  margin: 2px 0 14px;
  letter-spacing: -0.01em;
}

.lead{
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 85ch;
}

/* =========================
   TAB 1 — Work Timeline (classic)
   ========================= */
.timeline{
  position: relative;
  margin: 18px 0 6px;
  padding-left: 26px;
}
.timeline::before{
  content:"";
  position:absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(15,61,46,.22);
  border-radius: 999px;
}
.t-item{
  position: relative;
  padding: 14px 14px 14px 14px;
  margin: 0 0 14px;
  background: rgba(255,255,255,.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.t-item::before{
  content:"";
  position:absolute;
  left: -23px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--dark);
  box-shadow: 0 0 0 4px rgba(15,61,46,.15);
}
.t-top{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
}
.role{
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.01em;
}
.period{
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  opacity: .9;
}
.org{
  margin-top: 6px;
  font-weight: 600;
  color: rgba(15,61,46,.85);
}
.institute{
  margin-top: 6px;
  font-weight: 400;
  color: rgba(15,61,46,.85);
}
.desc{
  margin: 8px 0 0;
  color: var(--muted);
}

/* =========================
   TAB 2 — Achievements (innovative "Spotlight Path")
   ========================= */
.spotlight{
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 14px;
}

.s-item{
  position: relative;
  display:grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: stretch;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.62);
  overflow:hidden;
}

/* Decorative "beam" */
.s-item::before{
  content:"";
  position:absolute;
  inset: 0;
  background: radial-gradient(500px 120px at 20% 15%, rgba(15,61,46,.10), transparent 60%),
              radial-gradient(500px 120px at 80% 85%, rgba(15,61,46,.08), transparent 60%);
  pointer-events:none;
}

.badge{
  position: relative;
  z-index: 1;
  width: 56px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(15,61,46,.95), rgba(15,61,46,.80));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight: 800;
  font-size: 28px;
  letter-spacing: .02em;
  box-shadow: 0 10px 18px rgba(15,61,46,.18);
  border: 1px solid rgba(255,255,255,.18);
}

.s-body{
  position: relative;
  z-index: 1;
  display:flex;
  flex-direction: column;
  gap: 6px;
  padding: 2px 0;
}

.s-title{
  font-weight: 800;
  color: var(--dark);
  margin: 0;
  letter-spacing: -0.01em;
}

.s-meta{
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  margin: 0;
}

.s-text{
  margin: 0;
  color: var(--muted);
}

/* =========================
   TAB 3 — Speaking (Gallery)
   ========================= */
.speaking-gallery{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 2em 0;
}

.gallery-item{
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  background: rgba(255,255,255,.55);
  box-shadow: 0 10px 20px rgba(15,61,46,.10);
  transition: transform .2s ease, box-shadow .2s ease;
}

.gallery-item:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15,61,46,.15);
}

.gallery-item img{
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.02);
}

.gallery-caption{
  padding: 12px 14px;
  background: rgba(246,241,230,.95);
  border-top: 1px solid rgba(15,61,46,.12);
  color: var(--dark);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}

.photo-badge{
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(246,241,230,.95);
  border: 1px solid rgba(15,61,46,.20);
  color: var(--dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 12px rgba(15,61,46,.15);
  backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
  .speaking-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .speaking-gallery {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

/* Old carousel styles - can be removed if not used elsewhere */
.carousel{
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow:hidden;
  background: rgba(255,255,255,.55);
  box-shadow: 0 10px 20px rgba(15,61,46,.10);
}

.carousel-track{
  display:flex;
  transition: transform .35s ease;
  will-change: transform;
}

.slide{
  min-width: 100%;
  position: relative;
  aspect-ratio: 16/9;
  background: rgba(15,61,46,.08);
  display:flex;
  align-items:center;
  justify-content:center;
}
.slide img{
  width:100%;
  height:100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.02);
}

.slide-caption{
  position:absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(246,241,230,.92);
  border: 1px solid rgba(15,61,46,.16);
  color: var(--dark);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 10px 18px rgba(0,0,0,.10);
}

.carousel-controls{
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content: space-between;
  margin: 12px 2px 0;
}

.c-btn{
  appearance:none;
  border: 1px solid rgba(15,61,46,.22);
  background: rgba(255,255,255,.65);
  color: var(--dark);
  padding: 10px 12px;
  border-radius: 999px;
  cursor:pointer;
  font-weight: 800;
  transition: transform .12s ease, background .12s ease;
}
.c-btn:hover{ transform: translateY(-1px); }
.c-btn:focus{ outline:none; box-shadow: var(--focus); }

.dots{
  display:flex;
  gap: 8px;
  align-items:center;
  justify-content:center;
  flex:1;
}
.dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(15,61,46,.30);
  background: rgba(255,255,255,.65);
  cursor:pointer;
}
.dot.active{
  background: var(--dark);
  border-color: var(--dark);
}

/* =========================
   TAB 4 — Product (Accordion)
   ========================= */
.accordion{
  display:flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

details.acc{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.62);
  overflow:hidden;
  box-shadow: 0 10px 18px rgba(15,61,46,.08);
}

details.acc summary{
  list-style: none;
  cursor:pointer;
  padding: 14px 16px;
  color: var(--dark);
  font-weight: 800;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  user-select: none;
}
details.acc summary::-webkit-details-marker{ display:none; }

.chev{
  width: 28px; height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(15,61,46,.20);
  display:grid;
  place-items:center;
  background: rgba(15,61,46,.06);
  transition: transform .18s ease;
  flex: 0 0 auto;
}
details[open] .chev{ transform: rotate(180deg); }

.acc-body{
  padding: 0 16px 16px;
  color: var(--muted);
  border-top: 1px solid rgba(15,61,46,.12);
}

/* Tooltip styling */
.info-icon-wrapper {
  position: relative;
  display: inline-block;
  margin-left: 8px;
  vertical-align: middle;
}

.info-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  font-size: 16px;
  color: var(--muted);
  cursor: help;
  transition: color 0.2s ease;
}

.info-icon:hover {
  color: var(--dark);
}

.tooltip {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  left: calc(100% + 12px);
  top: 0;
  background: var(--dark);
  color: #fff;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.6;
  font-weight: 400;
  width: 720px;
  max-width: calc(100vw - 40px);
  box-shadow: 0 8px 24px rgba(15,61,46,.25);
  z-index: 1000;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  pointer-events: none;
  text-align: left;
  white-space: normal;
}

.vision-table {
  width: 100%;
  border-collapse: collapse;
}

.vision-table td {
  padding: 8px 0;
  vertical-align: top;
  border-bottom: 1px solid rgba(255,255,255,.15);
}

.vision-table td:first-child {
  width: 160px;
  padding-right: 16px;
  white-space: nowrap;
}

.vision-table tr:last-child td {
  border-bottom: none;
}

.tooltip::after {
  content: '';
  position: absolute;
  top: 18px;
  right: 100%;
  border: 8px solid transparent;
  border-right-color: var(--dark);
}

.info-icon-wrapper:hover .tooltip {
  visibility: visible;
  opacity: 1;
}

/* Footer-ish */
.fineprint{
  margin-top: 18px;
  font-size: 12px;
  color: rgba(15,61,46,.65);
}

/* Responsive */
@media (max-width: 720px){
  .hero-grid{ grid-template-columns: 1fr; }
  .avatar{ width: 130px; }
}