:root{
  --brand:#3793ff;
  --brand-dark:#226edb;
  --text:#f3f4f6;
  --muted:#9ca3af;
  --bg:#0d1117;
  --section:#161b22;
  --card:rgba(255,255,255,0.07);
  --shadow:0 10px 25px rgba(0,0,0,.5);
  --radius:16px;
  --navH:72px;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif; color:var(--text); background:var(--bg); }
a{ color:var(--brand); text-decoration:none; }
a:hover{ text-decoration:underline; }

header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0,18,51,0.90);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.container{ max-width:1200px; margin:0 auto; padding:0 20px; }
.nav{ display:flex; align-items:center; justify-content:space-between; height:var(--navH); gap:16px; }
.brand{ display:flex; align-items:center; gap:12px; font-weight:800; letter-spacing:.2px; font-size:20px; color:#fff; min-width:240px; }
.brand img{
  height:56px; width:56px; border-radius:99%;
  object-fit:cover; background:transparent; mix-blend-mode:screen;
  filter:brightness(1.3) contrast(1.2) drop-shadow(0 0 4px rgba(255,255,255,0.4));
}
nav{ display:flex; align-items:center; flex-wrap:wrap; justify-content:flex-end; }
.nav a{ font-weight:650; margin-left:16px; color:#e2e8f0; padding:10px 0; }
.nav a:hover{ color:var(--brand); }

section{ padding:56px 0; scroll-margin-top: calc(var(--navH) + 18px); }
section.alt{ background:var(--section); }

.section-head{ display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:20px; }
h1,h2,h3{ margin:0; }
h2{ font-size:clamp(22px,2.6vw,32px); color:var(--brand); }
p.sub{ color:var(--muted); margin:0; }

.card{
  background:var(--card);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px; border-radius:12px;
  background:var(--brand); color:#fff; font-weight:800;
  border:none; box-shadow:var(--shadow);
}
.btn:hover{ background:var(--brand-dark); cursor:pointer; text-decoration:none; }
.btn.secondary{ background:transparent; color:var(--brand); border:2px solid var(--brand); box-shadow:none; }
.btn.small{ padding:9px 12px; border-radius:999px; font-weight:800; font-size:13px; }

.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius:999px;
  background:rgba(255,255,255,0.15); color:#eaf3ff;
  font-weight:700; font-size:14px;
}

/* Summit poster hero */
.summit-hero--poster{
  padding:110px 0 74px;
  background: linear-gradient(rgba(0,0,0,0.40), rgba(0,18,51,0.92)), url('assets/sat_background_1.jpg') center/cover no-repeat;
  color:#fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}
.summit-poster{ position:relative; min-height:420px; display:flex; flex-direction:column; justify-content:space-between; gap:18px; }

/* Top row (logo row) */
.summit-top{
  font-style: italic;
  font-weight: 550;
  letter-spacing: .2px;
  color: rgba(255,255,255,0.88);
  font-size: 22px;
  text-align: center;
  margin-top: 0;
  padding-top: 6px;
}

.summit-mid{ display:flex; flex-direction:column; align-items:center; text-align:center; gap:10px; padding:10px 0; }

/* default logo size (desktop) */
.summit-logo{
  width: 160px;
  height: 160px;
  max-width: 22vw;
  max-height: 22vw;
  margin-bottom: 10px;
}
/* Bottom logos inside summit poster */
/* ========= FORCE TINY bottom logos (KEEP LAST) ========= */
.summit-bottom img.summit-bottom-logo{
  height: 14px !important;     /* <- VERY SMALL */
  width: auto !important;
  max-width: 70px !important;
  max-height: 14px !important;
  margin: 0 !important;
  opacity: 0.75;
  filter: brightness(0) invert(1) contrast(1.1);
}

@media (max-width:600px){
  .summit-bottom img.summit-bottom-logo{
    height: 12px !important;
    max-width: 55px !important;
    max-height: 12px !important;
  }
}
.summit-title{ font-size:clamp(30px,4.6vw,56px); font-weight:950; line-height:1.05; }
.summit-subtitle{ font-size:18px; font-weight:700; color:rgba(233,242,255,0.85); }

.summit-kpis{ display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; justify-content:center; }
.summit-kpi{
  padding:9px 14px;
  border-radius:999px;
  background:rgba(255,255,255,0.10);
  border:1px solid rgba(255,255,255,0.14);
  color:#eaf3ff;
  font-weight:800;
  font-size:14px;
}
/* make the bottom row span the full poster width */
.summit-poster{ position: relative; }

.summit-bottom{
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;

  display: flex;
  justify-content: space-between;   /* push to ends */
  align-items: center;
  width: calc(100% - 20px);         /* force full width */
}

.summit-bottom .summit-bottom-logo{
  height: 24px !important;
  width: auto !important;
  max-width: 70px !important;
  object-fit: contain !important;
  display: block !important;
}
/* Mobile */
@media (max-width:600px){
  .summit-logo{
    width: 120px;
    height: 120px;
    max-width: 32vw;
    max-height: 32vw;
  }
}

/* Keynotes and Speakers */
.keynote-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width:1100px){ .keynote-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:800px){  .keynote-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){  .keynote-grid{ grid-template-columns:1fr; } }

.speaker-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width:1100px){ .speaker-grid{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:800px){  .speaker-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){  .speaker-grid{ grid-template-columns:1fr; } }

.speaker-card{
  background:var(--card);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:14px;
  text-align:center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.speaker-card:hover{ transform:translateY(-4px); box-shadow:0 10px 24px rgba(0,0,0,0.35); }

.speaker-media{
  width:100%;
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  overflow:hidden;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  margin-bottom: 10px;
  position:relative;
}
.speaker-media img{ width:100%; height:100%; object-fit:cover; display:block; }
.speaker-avatar{
  position:absolute; inset:0;
  display:none;
  align-items:center; justify-content:center;
  font-weight:950; font-size:34px; letter-spacing:.5px;
  color:#eaf3ff;
  background: rgba(55,147,255,0.18);
}

.speaker-name{ margin:6px 0 2px; font-size:17px; font-weight:850; color:#fff; }
.speaker-affil{ margin:0 0 2px; font-size:13px; font-weight:850; color:var(--brand); }
.speaker-role{ margin:0; font-size:12px; color:var(--muted); line-height:1.3; }

/* Compact speaker cards */
.speaker-grid.compact{ grid-template-columns: repeat(3, 1fr); }
@media (max-width:900px){ .speaker-grid.compact{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .speaker-grid.compact{ grid-template-columns:1fr;} }

.speaker-card.compact{
  display:flex; gap:12px; align-items:center; text-align:left;
  padding:12px;
}
.speaker-card.compact .speaker-media{
  width:86px; aspect-ratio:1/1; margin-bottom:0; flex:0 0 auto;
}
.speaker-card.compact .speaker-avatar{ font-size:22px; }
.speaker-card.compact .speaker-name{ margin:0; font-size:15px; }
.speaker-card.compact .speaker-affil{ font-size:12px; }
.speaker-card.compact .speaker-role{ font-size:12px; }

/* Sessions (used on summit home page) */
.panel-cards{ display:grid; grid-template-columns: repeat(2, 1fr); gap:16px; }
@media (max-width:900px){ .panel-cards{ grid-template-columns:1fr; } }
.panel-card{
  background: rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

/* Make the session card layout: text left, chair right */
.panel-card.session-card{
  display:flex;
  align-items:center;                /* align chair with text height */
  justify-content:space-between;
  gap: 16px;
}

.session-left{ flex: 1 1 auto; min-width: 0; }
.panel-title{ font-weight:950; color:#fff; font-size:16px; margin-bottom:4px; }
.panel-meta{ color:var(--muted); font-size:13px; margin-bottom:8px; }

.session-actions{ margin-top: 12px; }

/* Right side chair block (small + round + aligned) */
.session-chair{
  flex: 0 0 auto;
  display:flex;
  align-items:center;
  gap: 12px;
  padding-left: 14px;
  border-left: 1px solid rgba(255,255,255,0.10);
}

.chair-text{ text-align:right; }
.chair-label{
  font-size: 11px;
  letter-spacing: .4px;
  text-transform: uppercase;
  color: rgba(233,242,255,0.70);
  font-weight: 850;
  margin-bottom: 4px;
}
.chair-name{ font-weight: 900; color:#fff; font-size: 13px; line-height: 1.1; }
.chair-affil{ color: var(--muted); font-size: 12px; margin-top: 2px; }

/* small ROUND photo (same height as text block area) */
.chair-media{
  width: 54px;
  height: 54px;
  border-radius: 999px;              /* round */
  overflow:hidden;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  position: relative;
  flex: 0 0 auto;
}
.chair-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.chair-avatar{
  position:absolute;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  font-weight: 950;
  font-size: 16px;
  letter-spacing: .4px;
  color:#eaf3ff;
  background: rgba(55,147,255,0.18);
}

@media (max-width:740px){
  .panel-card.session-card{ flex-direction:column; align-items:flex-start; }
  .session-chair{
    border-left:0;
    padding-left:0;
    border-top: 1px solid rgba(255,255,255,0.10);
    padding-top: 12px;
    width: 100%;
    justify-content:flex-start;
  }
  .chair-text{ text-align:left; }
}

/* Programme */
.prog-tabs{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:14px; }
.tab-btn{
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color:#eaf3ff;
  font-weight:850;
  cursor:pointer;
}
.tab-btn.active{ background: rgba(55,147,255,0.20); border-color: rgba(55,147,255,0.65); }
.tab-panel{ display:none; }
.tab-panel.active{ display:block; }

.agenda{ display:flex; flex-direction:column; gap:10px; }
.slot{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:14px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.10);
}
.slot-time{
  font-weight:950; color:#fff; letter-spacing:.2px;
  font-size:14px; white-space:nowrap;
}
.slot-title{ font-size:16px; font-weight:950; margin-bottom:4px; color:#fff; }
.slot-meta{ font-size:13px; color:var(--muted); margin-bottom:6px; }
.slot-sub{ display:flex; flex-direction:column; gap:6px; }
.subitem{ display:flex; gap:10px; align-items:flex-start; }
.subtext{ font-size:13px; color:#e5e7eb; line-height:1.35; }

.badge{
  font-size:11px;
  padding:3px 8px;
  border-radius:999px;
  border:1px solid rgba(55,147,255,0.55);
  background: rgba(0,119,255,0.15);
  color:#eaf3ff;
  white-space:nowrap;
  margin-top:1px;
}
.badge.keynote{ border-color: rgba(55,147,255,0.75); }
.badge.panel{ border-color: rgba(147,197,253,0.55); }
.badge.break{ border-color: rgba(250,204,21,0.55); background: rgba(250,204,21,0.10); }

.prog-note{
  margin-top:14px;
  display:flex; gap:10px; align-items:center;
  color:var(--muted); font-size:13px;
  padding-top:10px;
  border-top:1px solid rgba(255,255,255,0.08);
}
.note-dot{
  width:10px; height:10px; border-radius:50%;
  background: rgba(55,147,255,0.85);
  box-shadow:0 0 10px rgba(55,147,255,0.35);
  flex:0 0 auto;
}

@media (max-width:700px){
  .slot{ grid-template-columns:1fr; }
  .slot-time{ color:var(--muted); }
}

/* Programme at a glance */
.glance{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:16px;
}
@media (max-width:900px){ .glance{ grid-template-columns:1fr; } }
.glance-day{
  background: rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.glance-day h3{ color:#fff; font-size:16px; font-weight:950; margin-bottom:10px; }
.grow{ display:flex; justify-content:space-between; gap:10px; padding:10px 0; border-top:1px solid rgba(255,255,255,0.07); }
.grow:first-of-type{ border-top:0; }
.gtime{ color:#eaf3ff; font-weight:900; font-size:12px; white-space:nowrap; }
.gtext{ color:#e5e7eb; font-size:13px; font-weight:700; }

/* Venue map */
.map-embed{
  width:100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.10);
  background: #000;
}
.map-embed iframe{ width:100%; height:100%; border:0; }

/* Footer */
footer{
  padding: 40px 0;
  border-top:1px solid rgba(255,255,255,0.1);
  color: var(--muted);
  background: #000c22;
}
.footer-row{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }

/* Sessions: ensure the right-side chair block is compact + aligned */
.panel-card.session-card{
  display:flex;
  align-items:center;              /* aligns chair block with left text */
  justify-content:space-between;
  gap: 16px;
}

/* left side stays flexible */
.session-left{ flex: 1 1 auto; min-width: 0; }

/* right side chair block */
.session-chair{
  flex: 0 0 auto;
  display:flex;
  flex-direction:column;
  align-items:flex-end;            /* keeps it neat on the right */
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid rgba(255,255,255,0.10);
}

/* label smaller + tighter */
.chair-label{
  font-size: 11px;
  letter-spacing: .4px;
  text-transform: uppercase;
  color: rgba(233,242,255,0.70);
  font-weight: 850;
  margin: 0;                      /* IMPORTANT: remove extra height */
}

/* the row containing photo + name */
.chair-wrap{
  display:flex;
  align-items:center;
  gap: 10px;
}

/* SMALL ROUND photo */
.chair-media{
  width: 44px;                     /* smaller than your 58px */
  height: 44px;
  border-radius: 999px;            /* round */
  overflow:hidden;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  position: relative;
  flex: 0 0 auto;
}

.chair-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* initials fallback */
.chair-avatar{
  position:absolute;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  font-weight: 950;
  font-size: 14px;
  letter-spacing: .3px;
  color:#eaf3ff;
  background: rgba(55,147,255,0.18);
}

/* chair text: tight + right aligned */
.chair-text{ text-align:right; line-height:1.15; }
.chair-name{ font-weight: 900; color:#fff; font-size: 13px; margin:0; }
.chair-affil{ color: var(--muted); font-size: 12px; margin-top: 2px; }

/* Responsive: chair goes below on small screens */
@media (max-width:740px){
  .panel-card.session-card{ flex-direction:column; align-items:flex-start; }
  .session-chair{
    align-items:flex-start;
    border-left:0;
    padding-left:0;
    border-top: 1px solid rgba(255,255,255,0.10);
    padding-top: 12px;
    width: 100%;
  }
  .chair-text{ text-align:left; }
}
/* =========================================
   FORCE summit logo size + make SVG white
   Works when logo is used as <img src="...svg">
   ========================================= */
.summit-top img.summit-logo{
  width: 280px !important;
  height: 280px !important;
  max-width: none !important;
  max-height: none !important;
  display:block;
  margin: 0 auto;

  /* turn dark logo into white */
  filter: brightness(0) invert(1) contrast(1.2)
          drop-shadow(0 2px 10px rgba(0,0,0,0.55)) !important;
}
/* ========= FINAL OVERRIDE: bottom logos size (KEEP THIS LAST) ========= */
#top.summit-hero--poster .summit-bottom img.summit-bottom-logo{
  height: 48px !important;
  max-height: 48px !important;
  width: auto !important;
  max-width: 220px !important;
  display: block !important;
  flex: 0 0 auto !important;
}
/* ONLY invert the ones that need it */
.summit-bottom img.summit-bottom-logo.invert{
  filter: brightness(0) invert(1) contrast(1.1) !important;
}
/* make sure SSF stays normal */
.summit-bottom img.summit-bottom-logo.no-invert{
  filter: none !important;
  opacity: 0.95 !important;
}

/* Mobile */
@media (max-width:600px){
  #top.summit-hero--poster .summit-bottom img.summit-bottom-logo{
    height: 34px !important;
    max-height: 34px !important;
    max-width: 170px !important;
  }
}