/* Executive portfolio — light theme, GitHub Pages friendly */
:root{
  --bg:#ffffff;
  --paper:#ffffff;
  --ink:#0b1220;
  --muted:#5b6473;
  --faint:#7a8597;
  --line: rgba(11,18,32,.10);
  --card: rgba(11,18,32,.04);
  --card2: rgba(11,18,32,.06);
  --shadow: 0 10px 30px rgba(11,18,32,.08);
  --shadow2: 0 14px 40px rgba(11,18,32,.10);
  --radius: 18px;
  --radius2: 26px;
  --max: 1120px;
}

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

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }
.container{ width:min(var(--max), calc(100% - 40px)); margin:0 auto; }

.topbar{
  position: sticky; top:0; z-index:50;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand__text{
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 18px;
}
.nav{
  display:flex; gap: 18px; align-items:center;
  font-weight: 600;
  color: rgba(11,18,32,.75);
}
.nav a{
  padding: 10px 10px;
  border-radius: 999px;
  transition: background .18s ease, color .18s ease;
}
.nav a:hover{ background: var(--card); color: rgba(11,18,32,.92); }

.nav__toggle{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  cursor:pointer;
}
.nav__toggle span{
  display:block;
  height:2px; background: rgba(11,18,32,.75);
  margin: 5px 0;
  border-radius: 2px;
}

/* HERO */
.hero{
  padding: 56px 0 22px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 360px 1fr;
  gap: 38px;
  align-items:start;
}
.hero__card{
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  padding: 18px;
}
.photo-frame{
  background: #e7f0ff;
  border: 1px solid rgba(11,18,32,.14);
  border-radius: 20px;
  padding: 10px;
}
.hero__photo{
  width:100%;
  border-radius: 16px;
  border: 1px solid rgba(11,18,32,.16);
}
.hero__identity{
  padding-top: 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.hero__name{
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.hero__icons{
  display:flex; gap: 10px;
}
.iconbtn{
  width: 42px; height: 42px;
  display:grid; place-items:center;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.iconbtn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(11,18,32,.10);
  background: var(--card);
}
.iconbtn svg{ width: 18px; height: 18px; fill: rgba(11,18,32,.78); }

.hero__copy h1{
  margin: 0 0 10px;
  font-size: clamp(28px, 3.2vw, 46px);
  letter-spacing: -0.03em;
  line-height: 1.08;
}
.lead{
  margin: 0 0 18px;
  color: rgba(11,18,32,.78);
  font-size: 16px;
}
.lead p{ margin: 0 0 10px; }
.lead p:last-child{ margin-bottom: 0; }

.impact-strip{
  margin: 18px 0 18px;
  border: 1px solid var(--line);
  background: rgba(11,18,32,.03);
  border-radius: 999px;
  padding: 12px 16px;
  display:inline-block;
}
.impact-strip strong{ font-weight: 700; letter-spacing: -0.01em; }

.capabilities{
  margin-top: 0;
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
}
.cap{
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  padding: 14px 14px 15px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.cap:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(11,18,32,.10);
  background: rgba(11,18,32,.02);
}
.cap__title{
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.cap__desc{
  color: rgba(11,18,32,.72);
  font-size: 14px;
}

.callout{
  margin-top: 16px;
  color: rgba(11,18,32,.68);
  font-weight: 500;
}

/* Selected work */
.selected-work{
  padding: 42px 0 24px;
}
.section-head h2{
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: -0.02em;
}
.section-head p{
  margin: 0 0 18px;
  color: rgba(11,18,32,.70);
}
.work-cards{
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.work-card{
  display:grid;
  grid-template-columns: 420px 1fr;
  gap: 18px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius2);
  overflow:hidden;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.work-card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow2);
}
.work-card__media{
  background: rgba(11,18,32,.03);
  border-right: 1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 14px;
}
.work-card__media img{
  width:100%;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.work-card__body{ padding: 18px 18px 16px; }
.work-card__kicker{
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 12px;
  color: rgba(11,18,32,.55);
  margin-bottom: 6px;
  font-weight: 700;
}
.work-card h3{
  margin: 0 0 8px;
  letter-spacing: -0.02em;
  font-size: 20px;
}
.work-card p{
  margin: 0 0 12px;
  color: rgba(11,18,32,.72);
}
.work-card__meta{ display:flex; flex-wrap:wrap; gap: 8px; margin-bottom: 10px; }
.tag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(11,18,32,.03);
  color: rgba(11,18,32,.72);
  font-weight: 600;
}
.work-card__cta{
  font-weight: 700;
  color: rgba(11,18,32,.86);
}

/* Case studies */
.case{
  padding: 20px 0 50px;
}
.case--alt{ background: rgba(11,18,32,.02); }
.case__head{
  display:grid;
  grid-template-columns: 70px 1fr;
  gap: 16px;
  align-items:start;
  margin-bottom: 18px;
}
.case__num{
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: rgba(11,18,32,.35);
  line-height: 1;
  margin-top: 4px;
}
.case__head h2{
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: -0.02em;
}
.case__overview{
  margin: 0;
  color: rgba(11,18,32,.72);
  max-width: 74ch;
}
.case__grid{
  display:grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 18px;
  align-items:start;
  margin-top: 0;
}
.case__block{
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius2);
  padding: 16px 16px 14px;
  box-shadow: 0 10px 24px rgba(11,18,32,.06);
}
.case__block h3{
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.case__block ul{
  margin: 0 0 4px 18px;
  padding: 0;
  color: rgba(11,18,32,.72);
}
.case__block li{ margin: 8px 0; }
.muted{ color: rgba(11,18,32,.60); margin-top: 0; }

.tiles{
  margin-top: 12px;
  display:grid;
  gap: 12px;
}
.tiles--5{ grid-template-columns: repeat(3, minmax(0,1fr)); }
.tiles--4{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.tiles--3{ grid-template-columns: repeat(3, minmax(0,1fr)); }

.tile{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.95);
  border-radius: 16px;
  overflow:hidden;
  cursor:pointer;
  transition: transform .16s ease, box-shadow .16s ease;
}
.tile:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(11,18,32,.10);
}
.tile img{ width:100%; height: 150px; object-fit: cover; }
.tile__cap{
  padding: 10px 10px 12px;
  font-size: 12px;
  color: rgba(11,18,32,.78);
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Contact */
.contact{ padding: 56px 0 70px; border-top: 1px solid var(--line); background: rgba(11,18,32,.02); }
.contact__card{
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius2);
  padding: 22px;
  box-shadow: var(--shadow);
}
.contact__card h2{ margin: 0 0 8px; font-size: 26px; letter-spacing: -0.02em; }
.contact__card p{ margin: 0 0 16px; color: rgba(11,18,32,.72); }
.contact__links{ display:flex; gap: 12px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(11,18,32,.92);
  color: #fff;
  font-weight: 700;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 14px 28px rgba(11,18,32,.12); }
.btn--ghost{
  background: #fff;
  color: rgba(11,18,32,.88);
}
.footer{ margin-top: 16px; color: rgba(11,18,32,.55); font-weight: 600; }

/* Reveal animations */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: none;
}

/* Lightbox */
.lightbox{
  position: fixed; inset: 0;
  display:none;
}
.lightbox.is-open{ display:block; }
.lightbox__backdrop{
  position:absolute; inset: 0;
  background: rgba(0,0,0,.55);
}
.lightbox__panel{
  position: relative;
  width: min(980px, calc(100% - 30px));
  margin: 6vh auto 0;
  background: #fff;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.1);
  padding: 14px 14px 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,.35);
}
.lightbox__close{
  position:absolute;
  top: 10px; right: 10px;
  width: 42px; height: 42px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(11,18,32,.05);
  cursor:pointer;
  font-size: 22px;
}
.lightbox__img{
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.lightbox__caption{
  margin-top: 10px;
  color: rgba(11,18,32,.70);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .capabilities{ grid-template-columns: 1fr; }
  .work-card{ grid-template-columns: 1fr; }
  .work-card__media{ border-right: none; border-bottom: 1px solid var(--line); }
  .case__grid{ grid-template-columns: 1fr; }
  .tiles--5{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .tiles--3{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 720px){
  .nav{ display:none; }
  .nav__toggle{ display:block; }
  .topbar.is-open .nav{
    display:flex;
    position:absolute;
    right: 20px;
    top: 62px;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 10px;
    box-shadow: var(--shadow);
  }
  .hero{ padding-top: 34px; }
}

.iconbtn--linkedin, .iconbtn--email{ background:#0A66C2; border-color:#0A66C2; }
.iconbtn--linkedin svg, .iconbtn--email svg{ fill:#ffffff; }
.iconbtn--linkedin:hover, .iconbtn--email:hover{ background:#0958A8; border-color:#0958A8; }

.hero-box{
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: rgba(11,18,32,.02);
  border-radius: var(--radius2);
  padding: 16px;
}
.hero-box__impact{
  font-weight: 800;
  letter-spacing: -0.01em;
  padding: 10px 12px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  display:block;
  margin-bottom: 14px;
}

.work-cards--grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}
.work-card--text{
  display:flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
  min-height: 260px;
}
.work-card--text:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow2);
}
.work-card--text h3{ margin: 0; font-size: 18px; letter-spacing: -0.02em; }
.work-card--text p{ margin: 0; color: rgba(11,18,32,.72); }
.work-card__bullets{
  margin: 0 0 0 18px;
  padding: 0;
  color: rgba(11,18,32,.72);
}
.work-card__bullets li{ margin: 6px 0; }
.work-card--text .work-card__cta{
  margin-top: auto;
  font-weight: 800;
  color: rgba(11,18,32,.86);
}
@media (max-width: 980px){
  .work-cards--grid{ grid-template-columns: 1fr; }
}

.hero-box{
  border-radius: 6px;
  background: #eaf2ff;
}
.hero-box__impact{
  background: transparent;
  border: none;
  padding-bottom: 12px;
}

.work-cards--grid{
  grid-template-columns: 1fr;
}
.work-card--text{
  display:flex;
  flex-direction:column;
  padding:28px;
}

.tiles--3{
  grid-template-columns: repeat(2, minmax(0,1fr));
}

.case__block{
  background:#eef4ff;
  border-radius:8px;
}
.deep-sub{
  color:rgba(11,18,32,.65);
  margin:6px 0 18px 0;
  font-weight:500;
}

/* Deep Dive boxes full width */
.case__grid{ grid-template-columns: 1fr !important; }

.deep-sub{
  margin: 0 0 14px 0;
  color: rgba(11,18,32,.68);
  font-weight: 600;
}

/* Make Deep Dive slides taller and not truncated */
.tile img{
  height: auto !important;
  max-height: none !important;
  object-fit: contain !important;
}
.tiles{
  align-items: start;
}
.case__block{
  padding: 24px !important;
}



/* Incrementality section */
.incrementality{
  padding: 48px 0 10px;
}
.inc-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
  text-decoration:none;
  color: inherit;
}
.inc-tile{
  border:1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  overflow:hidden;
  box-shadow: var(--shadow);
  transition: transform .16s ease, box-shadow .16s ease;
}
.inc-tile img{
  width:100%;
  height:auto;
  display:block;
}
.inc-grid:hover .inc-tile{
  box-shadow: 0 18px 50px rgba(11,18,32,.08);
}
.inc-tile:hover{
  transform: translateY(-2px);
}
.inc-cta{
  margin-top: 18px;
}
@media (max-width: 720px){
  .inc-grid{ grid-template-columns: 1fr; }
}



/* Force strict 2x2 layout for Incrementality preview */
.incrementality .inc-grid{
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 20px;
}

.incrementality .inc-grid .inc-tile{
  width: 100%;
}

@media (max-width: 720px){
  .incrementality .inc-grid{
    grid-template-columns: 1fr !important;
  }
}



/* Lightbox gallery controls */
.lightbox__panel{
  position: relative;
}
.lightbox__meta{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 14px;
  margin-top: 10px;
}
.lightbox__count{
  color: var(--faint);
  font-size: 12px;
  white-space: nowrap;
  padding-top: 2px;
}
.lightbox__nav{
  position:absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  color: var(--ink);
  font-size: 26px;
  line-height: 1;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow: 0 10px 30px rgba(11,18,32,.10);
}
.lightbox__nav:hover{
  background: #fff;
}
.lightbox__nav--prev{ left: 14px; }
.lightbox__nav--next{ right: 14px; }
.lightbox__nav.is-hidden{ display:none; }

@media (max-width: 720px){
  .lightbox__nav{ width: 40px; height: 40px; font-size: 24px; }
  .lightbox__nav--prev{ left: 10px; }
  .lightbox__nav--next{ right: 10px; }
}