:root{
  --bg: #071B22;
  --bg2:#041118;
  --card:#0B2530;
  --card2:#0E2F3C;
  --text:#EAF6F1;
  --muted:#B8C7C2;
  --line: rgba(255,255,255,.10);
  --green:#00ED64;
  --green2:#00C853;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 24px;
  --max: 1160px;
}

:root[data-theme="light"]{
  --bg: #071B22;
  --bg2:#041118;
  --card:#0B2530;
  --card2:#0E2F3C;
  --text:#EAF6F1;
  --muted:#B8C7C2;
  --line: rgba(255,255,255,.10);
  --green:#00ED64;
  --green2:#00C853;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", Helvetica, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color:var(--text);
  background: radial-gradient(900px 450px at 15% 10%, rgba(0,237,100,.20), transparent 60%),
              radial-gradient(900px 450px at 80% 20%, rgba(0,237,100,.10), transparent 60%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:hidden;
}

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

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0;
}

.skip-link{
  position:absolute;
  left:12px; top:12px;
  padding:10px 12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  transform:translateY(-150%);
  transition:transform .2s ease;
  z-index:9999;
}
.skip-link:focus{transform:translateY(0)}

.container{
  width:min(var(--max), calc(100% - 32px));
  margin:0 auto;
}

.header{
  position:sticky;
  top:0;
  z-index:999;
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 210px;
}

.brand--link{
  text-decoration:none;
  border-radius:14px;
  padding:6px;          
  margin-left:-6px;     
  transition: transform .12s ease, filter .12s ease;
}

.brand__logo{
  width:144px;            
  height:92px;           
  object-fit:contain;
  display:block;
}

.brand--link:hover{
  transform: translateY(-1px);
  filter: drop-shadow(0 10px 18px rgba(0, 237, 100, 0.22));
}
.brand--link:focus-visible{
  outline: 2px solid rgba(0, 237, 100, 0.75);
  outline-offset: 6px;
}

.brand__name{font-weight:800; letter-spacing:.2px}
.brand__tag{font-size:12px; color:var(--muted); margin-top:2px}

.nav{display:flex; align-items:center}
.nav__toggle{
  display:none;
  width:44px; height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
}
.nav__toggleIcon{
  display:block;
  width:18px;height:2px;
  background:currentColor;
  margin:0 auto;
  position:relative;
}
.nav__toggleIcon::before,.nav__toggleIcon::after{
  content:"";
  position:absolute; left:0; right:0;
  height:2px; background:currentColor;
}
.nav__toggleIcon::before{top:-6px}
.nav__toggleIcon::after{top:6px}

.nav__menu{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav__link{
  padding:10px 10px;
  border-radius:12px;
  color:color-mix(in oklab, var(--text) 86%, transparent);
}
.nav__link:hover{background:color-mix(in oklab, var(--card) 80%, transparent)}
.nav__cta{
  background: linear-gradient(135deg, rgba(0,237,100,.18), rgba(0,237,100,.06));
  border:1px solid color-mix(in oklab, var(--green) 40%, var(--line));
}

.hero{padding:48px 0 26px}
.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:28px;
  align-items:stretch;
}
.hero__content{padding-top:6px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 86%, transparent);
  border-radius:999px;
  color:var(--muted);
}
.dot{
  width:10px;height:10px;border-radius:999px;
  background:var(--green);
  box-shadow: 0 0 0 6px rgba(0,237,100,.12);
}
.hero__title{
  margin:16px 0 12px;
  font-size: clamp(30px, 3.3vw, 46px);
  line-height:1.08;
  letter-spacing:-.6px;
}
.hero__subtitle{
  display:block;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight:700;
  margin-top:8px;
  color: color-mix(in oklab, var(--text) 88%, var(--muted));
}
.grad{
  background: linear-gradient(135deg, var(--green), color-mix(in oklab, var(--green) 55%, #7CFFB5));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__desc{
  color:color-mix(in oklab, var(--text) 85%, var(--muted));
  font-size:16px;
  line-height:1.6;
  margin: 0 0 18px;
}

.hero__meta{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin: 18px 0 18px;
}
.metaCard{
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 88%, transparent);
  padding:14px 14px;
  box-shadow: 0 12px 35px rgba(0,0,0,.16);
}
.metaCard__k{
  color:var(--muted);
  font-size:12px;
  letter-spacing:.4px;
  text-transform:uppercase;
}
.metaCard__v{
  font-size:18px;
  font-weight:800;
  margin-top:6px;
}
.metaCard__s{color:var(--muted); font-size:12px; margin-top:4px}

.hero__actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
}
.btn{
  border-radius: 16px;
  border:1px solid var(--line);
  padding:12px 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  user-select:none;
}
.btn:active{transform: translateY(1px)}
.btn--primary{
  background: linear-gradient(135deg, var(--green), color-mix(in oklab, var(--green) 62%, #007A33));
  color:#052016;
  border-color: color-mix(in oklab, var(--green) 60%, var(--line));
  font-weight:800;
}
.btn--primary:hover{filter:saturate(1.05)}
.btn--ghost{
  background: color-mix(in oklab, var(--card) 80%, transparent);
  color:var(--text);
}
.btn--ghost:hover{background: color-mix(in oklab, var(--card) 95%, transparent)}
.btn--wide{width:min(420px, 100%)}

.miniNote{
  margin-top:14px;
  padding:12px 12px;
  border-radius: var(--radius);
  border:1px dashed color-mix(in oklab, var(--green) 30%, var(--line));
  color: color-mix(in oklab, var(--text) 86%, var(--muted));
  background: color-mix(in oklab, var(--card) 60%, transparent);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.miniNote__icon{color:var(--green); font-weight:900}

.hero__visual{
  position:relative;
  display:grid;
  place-items:center;
  min-height: 420px;
}
.glassCard{
  width:100%;
  max-width: 520px;
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: linear-gradient(180deg,
      color-mix(in oklab, var(--card2) 75%, transparent),
      color-mix(in oklab, var(--card) 85%, transparent));
  box-shadow: var(--shadow);
  padding:16px 16px 18px;
  position:relative;
  overflow:hidden;
}
.glassCard::before{
  content:"";
  position:absolute; inset:-1px;
  background: radial-gradient(900px 400px at 20% 10%, rgba(0,237,100,.18), transparent 55%),
              radial-gradient(900px 400px at 90% 30%, rgba(0,237,100,.10), transparent 55%);
  pointer-events:none;
}
.glassCard__top{
  display:flex; align-items:center; gap:10px;
  position:relative;
}
.pulse{
  width:10px; height:10px; border-radius:999px;
  background:var(--green);
  box-shadow: 0 0 0 0 rgba(0,237,100,.45);
  animation:pulse 1.8s ease infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,237,100,.45)}
  70%{box-shadow:0 0 0 12px rgba(0,237,100,0)}
  100%{box-shadow:0 0 0 0 rgba(0,237,100,0)}
}
.glassCard__title{font-weight:800}

.diagram{
  margin-top:16px;
  position:relative;
  display:grid;
  grid-template-columns: 1fr;
  gap:12px;
  padding: 12px 0 6px;
}
.diagram__node{
  border-radius: 18px;
  border:1px solid var(--line);
  padding:12px 12px;
  background: color-mix(in oklab, var(--card) 88%, transparent);
  position:relative;
}
.diagram__node--sql{border-color: color-mix(in oklab, #7BC4FF 35%, var(--line))}
.diagram__node--nosql{border-color: color-mix(in oklab, var(--green) 45%, var(--line))}
.diagram__node--bridge{border-color: color-mix(in oklab, #FFD27B 30%, var(--line))}
.diagram__label{font-weight:900}
.diagram__sub{color:var(--muted); font-size:12px; margin-top:4px}

.diagram__line{
  position:absolute;
  left: 18px;
  right: 18px;
  height:2px;
  background: linear-gradient(90deg,
    transparent,
    color-mix(in oklab, var(--green) 60%, transparent),
    transparent);
  opacity:.7;
}
.diagram__line--1{top: 92px}
.diagram__line--2{top: 178px}

.chips{
  display:flex; flex-wrap:wrap; gap:8px;
  margin-top:12px;
  position:relative;
}
.chip{
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 75%, transparent);
  padding:8px 10px;
  border-radius:999px;
  color: color-mix(in oklab, var(--text) 86%, var(--muted));
  font-weight:600;
  font-size:12px;
}

.blob{
  position:absolute;
  width:320px;height:320px;
  border-radius: 60% 40% 55% 45% / 45% 60% 40% 55%;
  filter: blur(24px);
  opacity:.35;
  z-index:-1;
}
.blob--1{
  background: rgba(0,237,100,.55);
  top:-30px; right:-80px;
  animation: float1 10s ease-in-out infinite;
}
.blob--2{
  background: rgba(124,255,181,.35);
  bottom:-70px; left:-90px;
  animation: float2 12s ease-in-out infinite;
}
@keyframes float1{
  0%,100%{transform: translate(0,0) rotate(0deg)}
  50%{transform: translate(-18px, 18px) rotate(12deg)}
}
@keyframes float2{
  0%,100%{transform: translate(0,0) rotate(0deg)}
  50%{transform: translate(20px, -12px) rotate(-10deg)}
}

.section{padding: 56px 0}
.section--alt{
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--bg2) 70%, transparent),
    color-mix(in oklab, var(--bg) 70%, transparent));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:18px;
}
.section__title{
  margin:0;
  font-size: clamp(24px, 2.3vw, 34px);
  letter-spacing:-.4px;
}
.section__desc{
  margin:0;
  color: color-mix(in oklab, var(--text) 82%, var(--muted));
  max-width: 62ch;
  line-height:1.6;
}

.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:18px;
}
.grid2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap:14px;
  margin-top:18px;
}

.card{
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 88%, transparent);
  padding:18px;
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.card__title{margin:0 0 8px; font-size:16px}
.card__body{margin:0; color:var(--muted); line-height:1.6}

.callout{
  margin-top:16px;
  border-radius: var(--radius2);
  border:1px solid color-mix(in oklab, var(--green) 35%, var(--line));
  background: linear-gradient(135deg, rgba(0,237,100,.14), color-mix(in oklab, var(--card) 85%, transparent));
  padding:16px;
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.callout__icon{font-size:18px}
.callout__title{font-weight:900}
.callout__text{color: color-mix(in oklab, var(--text) 84%, var(--muted)); margin-top:4px; line-height:1.6}

.accordion{display:grid; gap:10px; margin-top:16px}
.accItem{
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 88%, transparent);
  overflow:hidden;
}
.accItem__sum{
  list-style:none;
  cursor:pointer;
  padding:16px 18px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.accItem__sum::-webkit-details-marker{display:none}
.accItem__chev{
  width:18px;height:18px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform: rotate(45deg);
  opacity:.7;
  transition: transform .16s ease;
}
details[open] .accItem__chev{transform: rotate(225deg)}
.accItem__body{
  padding:0 18px 16px;
  color:var(--muted);
  line-height:1.7;
}
.bullets{margin:10px 0 0; padding-left:18px}
.bullets li{margin:6px 0}

.speakers{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top:18px;
}
.speakerCard{
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 88%, transparent);
  border-radius: var(--radius2);
  overflow:hidden;
  text-align:left;
  padding:0;
  cursor:pointer;
  box-shadow: 0 14px 40px rgba(0,0,0,.14);
  transition: transform .14s ease, border-color .14s ease;
}
.speakerCard:hover{
  transform: translateY(-2px);
  border-color: color-mix(in oklab, var(--green) 35%, var(--line));
}
.speakerCard__img{
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width:100%;
}
.speakerCard__info{padding:14px 14px 16px}

/* Speaker name must be white */
.speakerCard__name{
  font-weight:900;
  font-size:16px;
  color:#ffffff;
}

.speakerCard__role{color:var(--muted); margin-top:4px}
.speakerCard__meta{color: color-mix(in oklab, var(--text) 78%, var(--muted)); font-size:12px; margin-top:8px}

.speakerHint{margin-top:12px; color:var(--muted); font-size:12px}

.register{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:14px;
  align-items:stretch;
}
.register__left,.register__right{
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 88%, transparent);
  padding:18px;
  box-shadow: 0 18px 50px rgba(0,0,0,.12);
}
.regActions{display:grid; gap:10px; margin-top:14px}
.tiny{margin-top:12px; color:var(--muted); line-height:1.6}

.stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
.stat{
  border-radius: 18px;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card2) 86%, transparent);
  padding:12px;
}
.stat__n{font-weight:900; font-size:18px}
.stat__l{color:var(--muted); margin-top:4px; font-size:12px}

.quote{
  margin-top:12px;
  border-radius: var(--radius2);
  border:1px solid color-mix(in oklab, var(--green) 30%, var(--line));
  background: linear-gradient(135deg, rgba(0,237,100,.12), color-mix(in oklab, var(--card) 88%, transparent));
  padding:16px;
  position:relative;
  overflow:hidden;
}
.quote__text{margin:0; line-height:1.6; font-weight:600}
.quote__by{margin-top:10px; color:var(--muted); font-size:12px}

.faqItem{
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 88%, transparent);
  padding:0;
  overflow:hidden;
}
.faqItem__sum{
  cursor:pointer;
  padding:16px 18px;
  font-weight:900;
  list-style:none;
}
.faqItem__sum::-webkit-details-marker{display:none}
.faqItem__body{
  padding:0 18px 16px;
  color:var(--muted);
  line-height:1.7;
}

.footer{padding:22px 0 26px}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.footer__brand{
  display:flex;
  gap:10px;
  align-items:center;
  font-weight:900;
}

.footer__brand--link{
  text-decoration:none;
  border-radius:14px;
  padding:6px;
  margin-left:-6px;
  transition: transform .12s ease, filter .12s ease;
}

.footer__brand--link .brand__logo{
  width:62px;
  height:40px;
  object-fit:contain;
}

.footer__brand--link:hover{
  transform: translateY(-1px);
  filter: drop-shadow(0 10px 18px rgba(0, 237, 100, 0.18));
}
.footer__brand--link:focus-visible{
  outline: 2px solid rgba(0, 237, 100, 0.75);
  outline-offset: 6px;
}

.footer__links{
  display:flex;
  gap:12px;
  align-items:center;
  color: color-mix(in oklab, var(--text) 84%, var(--muted));
}
.footer__links a:hover{color:var(--text)}
.linkBtn{
  background:none;
  border:none;
  color:inherit;
  cursor:pointer;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
}
.linkBtn:hover{background: color-mix(in oklab, var(--card) 80%, transparent)}

/* Modal */
.modal{
  position:fixed;
  inset:0;
  display:none;
  z-index:1200;
}
.modal[aria-hidden="false"]{display:block}
.modal__backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(8px);
}
.modal__card{
  position:relative;
  width:min(860px, calc(100% - 24px));
  margin: 70px auto 0;
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  padding:18px;
}
.modal__close{
  position:absolute;
  top:12px; right:12px;
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card2) 86%, transparent);
  color:var(--text);
  cursor:pointer;
}
.modal__grid{
  display:grid;
  grid-template-columns: 240px 1fr;
  gap:16px;
  align-items:start;
}
.modal__img{
  width:100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 18px;
  border:1px solid var(--line);
}
.modal__title{margin:0; font-size:22px; letter-spacing:-.3px}
.modal__role{margin:6px 0 10px; color:var(--muted)}
.modal__text{margin:0; color: color-mix(in oklab, var(--text) 84%, var(--muted)); line-height:1.7}
.modal__tags{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px}
.tag{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card2) 86%, transparent);
  color: color-mix(in oklab, var(--text) 86%, var(--muted));
  font-size:12px;
  font-weight:700;
}

/* Toast */
.toast{
  position:fixed;
  left:50%;
  bottom:18px;
  transform: translateX(-50%) translateY(20px);
  opacity:0;
  pointer-events:none;
  padding:12px 14px;
  border-radius: 16px;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--card) 90%, rgba(0,0,0,.35));
  color:var(--text);
  box-shadow: var(--shadow);
  transition: opacity .18s ease, transform .18s ease;
  max-width: min(520px, calc(100% - 24px));
}
.toast--show{
  opacity:1;
  transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{grid-template-columns:1fr}
  .hero__visual{min-height: 360px}
  .hero__meta{grid-template-columns:1fr}
  .section__head{flex-direction:column; align-items:flex-start}
  .grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .speakers{grid-template-columns:1fr}
  .register{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3, 1fr)}
}


@media (max-width: 820px){
  .nav__toggle{display:inline-flex; align-items:center; justify-content:center}
  .nav__menu{
    position:absolute;
    top:64px;
    right:16px;
    left:16px;
    padding:12px;
    border-radius: var(--radius2);
    border:1px solid var(--line);
    background: color-mix(in oklab, var(--card) 92%, transparent);
    box-shadow: var(--shadow);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }
  .nav__menu[data-open="true"]{display:flex}
  .nav__link{padding:12px 12px}
  .nav__cta{font-weight:900; text-align:center}
  .brand{min-width:auto}

  /* header logo on mobile */
  .brand__logo{
    width:62px;
    height:40px;
  }

  /* footer logo on mobile */
  .footer__brand--link .brand__logo{
    width:56px;
    height:36px;
  }

  .modal__grid{grid-template-columns: 1fr}
  .modal__card{margin-top: 24px}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important; scroll-behavior:auto !important}
}