/* ============================================================
   HERO
============================================================ */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 160px;
  overflow: hidden;
}
.hero-grid{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 64px;
  width:100%;
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 70px;
  align-items:center;
}
.hero-copy{ perspective: 1400px; }
.hero-eyebrow{ margin-bottom: 26px; }
.hero-title{
  font-size: clamp(64px, 8vw, 120px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.94;
  margin-bottom: 34px;
}
.hero-title .line{
  display:block;
  overflow:hidden;
}
.hero-title .line span{
  display:inline-block;
  transform: translateY(115%) rotateX(-60deg) translateZ(-40px);
  opacity: 0;
  transform-origin: bottom;
  animation: titleIn 1.2s var(--ease) forwards;
}
.hero-title .line:nth-child(2) span{ animation-delay: .12s; }
@keyframes titleIn{
  to{ transform: translateY(0) rotateX(0) translateZ(0); opacity: 1; }
}
.hero-desc{
  max-width: 460px;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 46px;
  opacity: 0;
  animation: fadeUp 1s var(--ease-soft) forwards;
  animation-delay: .55s;
}
.hero-actions{
  display:flex;
  gap: 16px;
  opacity: 0;
  animation: fadeUp 1s var(--ease-soft) forwards;
  animation-delay: .7s;
}
@keyframes fadeUp{
  from{ opacity:0; transform: translateY(18px); }
  to{ opacity:1; transform: translateY(0); }
}
.hero-portrait-wrap{
  position: relative;
  opacity:0;
  animation: fadeUp 1.3s var(--ease-soft) forwards;
  animation-delay: .25s;
}
.hero-portrait{
  border-radius: var(--radius-xl);
  overflow:hidden;
  aspect-ratio: 4/5;
  position:relative;
  background: var(--bg-card);
}
.hero-portrait img{
  width:100%; height:100%; object-fit:cover;
  transform: scale(1.06);
  transition: transform 1.6s var(--ease);
}
.hero-portrait-wrap:hover .hero-portrait img{ transform: scale(1); }
.hero-portrait-tag{
  position:absolute;
  bottom: 22px; left: 22px;
  padding: 10px 18px;
  border-radius: 100px;
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(244,243,238,0.14);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display:flex; align-items:center; gap:8px;
}
.hero-portrait-tag .dot{
  width:6px; height:6px; border-radius:50%; background:#7ee787;
  box-shadow: 0 0 0 3px rgba(126,231,135,0.18);
}
.hero-scroll-cue{
  position:absolute;
  bottom: 210px;
  right: 64px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  color: var(--text-faint);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 1s ease forwards;
  animation-delay: 1.1s;
}
.hero-scroll-cue .line-anim{
  width:1px; height: 46px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollcue 2s ease-in-out infinite;
}
@keyframes scrollcue{
  0%{ transform: scaleY(0); transform-origin: top; opacity: 1;}
  50%{ transform: scaleY(1); transform-origin: top; opacity: 1;}
  51%{ transform: scaleY(1); transform-origin: bottom; }
  100%{ transform: scaleY(0); transform-origin: bottom; opacity: .4;}
}

/* ============================================================
   PHOTOGRAPHY living gallery
============================================================ */
.photo-section{ padding-bottom: 120px; }
.marquee-wrap{
  position: relative;
  display:flex;
  flex-direction: column;
  gap: 28px;
}
.marquee-row{
  display:flex;
  gap: 28px;
  width: max-content;
  animation: marquee-ltr 62s linear infinite;
}
.marquee-row.reverse{
  animation: marquee-rtl 70s linear infinite;
}
.marquee-wrap:hover .marquee-row{ animation-play-state: paused; }
@keyframes marquee-ltr{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
@keyframes marquee-rtl{
  from{ transform: translateX(-50%); }
  to{ transform: translateX(0); }
}
.photo-card{
  position: relative;
  border-radius: var(--radius-lg);
  overflow:hidden;
  flex-shrink:0;
  cursor: pointer;
  transition: transform .6s var(--ease), filter .6s var(--ease), opacity .6s var(--ease);
  background: var(--bg-card);
}
.photo-card.h-tall{ width: 300px; height: 400px; }
.photo-card.h-wide{ width: 420px; height: 300px; }
.photo-card.h-square{ width: 340px; height: 340px; }
.photo-card img{
  width:100%; height:100%; object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.marquee-wrap.dimming .photo-card{ filter: brightness(0.45); }
.photo-card:hover{
  transform: scale(1.045) translateY(-6px);
  filter: brightness(1) !important;
  z-index: 5;
}
.photo-card:hover img{ transform: scale(1.08); }
.photo-info{
  position:absolute;
  left:0; right:0; bottom:0;
  padding: 22px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), transparent 70%);
  transform: translateY(14px);
  opacity: 0;
  transition: transform .5s var(--ease), opacity .5s var(--ease);
}
.photo-card:hover .photo-info{ transform: translateY(0); opacity: 1; }
.photo-info .loc{
  font-family:'Fraunces', serif;
  font-style: italic;
  font-size: 20px;
  margin-bottom: 2px;
}
.photo-info .country{
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ============================================================
   VIDEO
============================================================ */
.video-carousel-wrap{ position: relative; }
.video-track{
  display:flex;
  gap: 26px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 0 30px 0;
  scrollbar-width: none;
}
.video-track::-webkit-scrollbar{ display:none; }
.video-card{
  scroll-snap-align: start;
  flex-shrink:0;
  width: 260px;
  border-radius: var(--radius-lg);
  overflow:hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: transform .5s var(--ease), border-color .5s var(--ease);
}
.video-card:hover{ transform: translateY(-8px); border-color: var(--line-strong); }
.video-thumb{
  position:relative;
  aspect-ratio: 9/16;
  overflow:hidden;
  display:block;
}
.video-thumb img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.video-card:hover .video-thumb img{ transform: scale(1.06); }
.video-play{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
}
.video-play span{
  width: 54px; height:54px;
  border-radius:50%;
  background: rgba(244,243,238,0.92);
  display:flex; align-items:center; justify-content:center;
  transition: transform .4s var(--ease);
}
.video-card:hover .video-play span{ transform: scale(1.1); }
.video-play svg{ width:16px; height:16px; margin-left: 2px; }
.platform-badge{
  position:absolute; top:14px; left:14px;
  width: 32px; height:32px;
  border-radius:50%;
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(6px);
  display:flex; align-items:center; justify-content:center;
}
.platform-badge svg{ width:16px; height:16px; }
.video-meta{ padding: 18px 18px 20px; }
.video-title{ font-size:15px; font-weight:600; margin-bottom:6px; line-height:1.35; }
.video-sub{ font-size: 12.5px; color: var(--text-muted); display:flex; flex-wrap:wrap; gap:6px 14px; }
.video-sub span{ display:inline-flex; align-items:center; gap:5px; }
.video-sub svg{ width:12px; height:12px; opacity:.7; }
.video-watch-btn{
  display:block;
  width: 100%;
  margin-top: 14px;
  padding: 10px 0;
  text-align: center;
  font-size: 12px;
  border-radius: 100px;
}
.carousel-arrows{
  position:absolute;
  top: -86px; right:0;
  display:flex; gap:12px;
}
.carousel-arrow{
  width:52px; height:52px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  display:flex; align-items:center; justify-content:center;
  transition: background .4s var(--ease), transform .3s var(--ease), border-color .4s ease;
}
.carousel-arrow:hover{ background: var(--text); color:#0a0a0a; transform: scale(1.05); }
.carousel-arrow svg{ width:18px; height:18px; }

/* ============================================================
   TIMELINE
============================================================ */
.timeline{
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
.timeline::before{
  content:'';
  position:absolute;
  left: 50%;
  top:0; bottom:0;
  width:1px;
  background: var(--line);
  transform: translateX(-50%);
}
.timeline-group{ margin-bottom: 68px; }
.timeline-group-label{
  text-align:center;
  margin-bottom: 46px;
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns: 1fr 60px 1fr;
  margin-bottom: 54px;
}
.timeline-item:last-child{ margin-bottom:0; }
.timeline-dot{
  grid-column: 2;
  display:flex; align-items:center; justify-content:center;
}
.timeline-dot span{
  width:11px; height:11px; border-radius:50%;
  background: var(--bg);
  border: 1px solid var(--accent);
  position:relative; z-index:2;
}
.timeline-content{ grid-column:1; text-align:right; padding-right: 40px; }
.timeline-item.right .timeline-content{ grid-column:3; text-align:left; padding-right:0; padding-left:40px; }
.timeline-item.right .timeline-spacer{ grid-column:1; }
.timeline-period{
  font-family:'Fraunces',serif; font-style:italic; color: var(--accent); font-size:14px; margin-bottom:8px; display:block;
}
.timeline-title{ font-size: 21px; font-weight:600; margin-bottom:6px; }
.timeline-place{ font-size:14px; color: var(--text-muted); margin-bottom: 10px; }
.timeline-desc{ font-size: 14.5px; color: var(--text-muted); line-height:1.65; }

/* ============================================================
   RESEARCH (homepage section)
============================================================ */
.research-intro{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  margin-bottom: 120px;
  align-items: start;
}
.research-intro-title{
  font-size: clamp(34px, 3.6vw, 52px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.research-intro-body{ color: var(--text-muted); font-size: 16.5px; line-height: 1.8; }
.research-intro-body strong{ color: var(--text); font-weight: 600; }
.changemaker-badge{
  display:inline-flex; align-items:center; gap:10px;
  margin-top: 26px;
  padding: 10px 20px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.changemaker-badge svg{ width:14px; height:14px; color: var(--accent); }

.research-context{
  display:grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items:center;
  margin-bottom: 100px;
}
.research-context-image{
  border-radius: var(--radius-xl);
  overflow:hidden;
  aspect-ratio: 5/4;
}
.research-context-image img{ width:100%; height:100%; object-fit:cover; object-position: center 20%; }
.research-context-caption{ color: var(--text-muted); font-size:15px; line-height:1.75; }
.research-context-caption .cap-title{
  display:block;
  font-family:'Fraunces', serif; font-style:italic; color: var(--text); font-size:19px; margin-bottom:10px;
}

.featured-pub{
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items:center;
  padding: 56px;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--line);
  margin-bottom: 110px;
}
.featured-pub-image{
  border-radius: var(--radius-lg);
  overflow:hidden;
  aspect-ratio: 5/4;
  position:relative;
}
.featured-pub-image img{ width:100%; height:100%; object-fit:cover; }
.pub-badge{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 12px; letter-spacing:0.08em; text-transform:uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.pub-badge svg{ width:14px; height:14px; }
.featured-pub-title{ font-size: 30px; font-weight:600; letter-spacing: -0.01em; line-height:1.25; margin-bottom:18px; }
.featured-pub-summary{ color: var(--text-muted); font-size:15.5px; line-height:1.75; margin-bottom:30px; }
.pub-meta{ display:flex; gap:28px; margin-bottom: 32px; flex-wrap: wrap; }
.pub-meta div{ font-size:12px; color: var(--text-faint); text-transform:uppercase; letter-spacing:.06em; }
.pub-meta strong{ display:block; color:var(--text); font-size:14px; font-weight:600; text-transform:none; letter-spacing:0; margin-top:4px; }

.archive-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.article-card{
  border-radius: var(--radius-lg);
  overflow:hidden;
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: transform .5s var(--ease), border-color .5s var(--ease);
  cursor: pointer;
}
.article-card:hover{ transform: translateY(-8px); border-color: var(--line-strong); }
.article-image{ aspect-ratio: 4/3; overflow:hidden; }
.article-image img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.article-card:hover .article-image img{ transform: scale(1.07); }
.article-body{ padding: 26px 26px 30px; }
.article-category{ font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase; color: var(--accent); margin-bottom:12px; }
.article-title{ font-size: 18.5px; font-weight:600; line-height:1.35; margin-bottom:10px; }
.article-excerpt{ font-size:14px; color: var(--text-muted); line-height:1.65; margin-bottom: 20px; }
.article-link{ font-size:13px; font-weight:600; display:inline-flex; align-items:center; gap:8px; }
.article-link svg{ width:13px; height:13px; transition: transform .3s var(--ease); }
.article-card:hover .article-link svg{ transform: translateX(4px); }

/* ============================================================
   ABOUT
============================================================ */
.about-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items:center;
  margin-bottom: 140px;
}
.about-row:last-child{ margin-bottom: 0; }
.about-row.reverse .about-image{ order:2; }
.about-row.reverse .about-text{ order:1; }
.about-image{
  border-radius: var(--radius-xl);
  overflow:hidden;
  aspect-ratio: 6/7;
}
.about-image img{ width:100%; height:100%; object-fit:cover; }
.about-text h3{ font-size: clamp(26px,2.6vw,36px); font-weight:600; letter-spacing:-0.01em; margin-bottom:22px; line-height:1.2; }
.about-text p{ color: var(--text-muted); font-size:16px; line-height:1.8; margin-bottom: 18px; }
.tag-list{ display:flex; flex-wrap:wrap; gap:10px; margin-top: 24px; }
.tag-chip{
  font-size:12.5px; padding:8px 16px; border-radius:100px;
  border:1px solid var(--line-strong); color: var(--text-muted);
}
.skill-list{ display:flex; flex-direction:column; gap:16px; margin-top:28px; }
.skill-row{ display:flex; align-items:center; justify-content:space-between; gap:20px; }
.skill-row .skill-name{ font-size:14.5px; color:var(--text); }
.skill-row .skill-level{ display:flex; align-items:center; gap:10px; }
.skill-row .skill-label{ font-size:11.5px; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-faint); }
.skill-dots{ display:flex; gap:6px; }
.skill-dot{ width:7px; height:7px; border-radius:50%; background:var(--line-strong); }
.skill-dot.filled{ background:var(--accent); }
.hobby-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.hobby-card{
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: transform .5s var(--ease), border-color .5s var(--ease);
}
.hobby-card:hover{ transform: translateY(-6px); border-color: var(--line-strong); }
.hobby-card img{
  width:100%; height:100%; object-fit:cover;
  transform: scale(1.08);
  transition: transform 1.1s var(--ease);
}
.hobby-card:hover img{ transform: scale(1); }
.hobby-card .hobby-label{
  position:absolute; left:0; right:0; bottom:0;
  padding: 20px 14px 14px;
  background: linear-gradient(to top, rgba(10,10,10,0.85), rgba(10,10,10,0));
  font-family: 'Fraunces', serif; font-style: italic;
  font-size: 14px; color: var(--text);
}

/* ============================================================
   CONTACT
============================================================ */
.contact-section{ padding-bottom: 140px; }
.contact-center{
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-title{
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.contact-talk{
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 44px;
}
.contact-linkedin{
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 20px 38px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: all .4s var(--ease);
}
.contact-linkedin:hover{ background: var(--text); color: #0a0a0a; border-color: var(--text); }
.contact-linkedin .li-icon{
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent); color: #0a0a0a;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .4s var(--ease), color .4s var(--ease);
}
.contact-linkedin:hover .li-icon{ background: #0a0a0a; color: var(--accent); }
.contact-linkedin .li-icon svg{ width: 17px; height: 17px; }

/* ============================================================
   RESPONSIVE (home-page sections only; shared nav/container
   breakpoints live in base.css)
============================================================ */
@media (max-width: 1180px){
  .hero-grid{ padding-left:40px; padding-right:40px; }
  .archive-grid{ grid-template-columns: repeat(2,1fr); }
  .research-intro{ grid-template-columns:1fr; gap: 40px; }
  .featured-pub{ grid-template-columns:1fr; padding: 36px; }
}
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero{ padding-top: 130px; }
  .hero-portrait-wrap{ max-width: 360px; }
  .about-row{ grid-template-columns:1fr; gap:34px; }
  .about-row.reverse .about-image, .about-row.reverse .about-text{ order:initial; }
  .timeline::before{ left:20px; }
  .timeline-item, .timeline-item.right{ grid-template-columns: 40px 1fr; }
  .timeline-item .timeline-dot, .timeline-item.right .timeline-dot{ grid-column:1; }
  .timeline-item .timeline-content, .timeline-item.right .timeline-content{ grid-column:2; text-align:left; padding-left:24px; padding-right:0; }
}
@media (max-width: 640px){
  .hero-grid{ padding-left:24px; padding-right:24px; }
  .archive-grid{ grid-template-columns:1fr; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .photo-card.h-wide{ width:280px; height:220px; }
  .photo-card.h-tall{ width:220px; height:300px; }
  .photo-card.h-square{ width:240px; height:240px; }
  .hobby-grid{ grid-template-columns: repeat(2, 1fr); }
}