:root{
  --bg: #0b0f17;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 18px;

  --primary: #43f06d;
  --primary2: #ffd200;
  --danger: #ff5a7a;

  --container: 1120px;
}

*{ 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(--text);
  background: var(--bg);
  line-height: 1.45;
}

a{ color: inherit; text-decoration: none; }
button, input, select{
  font: inherit;
}
.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

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

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11,15,23,.45);
  border-bottom: 1px solid var(--border);
}
.header--compact{
  top: 0;
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 220px;
}
.brand__mark{
  width: 38px;
  height: 38px;
  display:grid;
  place-items:center;
  border-radius: 12px;
  background: rgba(255,255,255,.10);
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
}
.brand__text{ display:flex; flex-direction: column; line-height: 1.1; }
.brand__title{ font-weight: 800; font-size: 14px; letter-spacing: .2px; }
.brand__subtitle{ color: var(--muted); font-weight: 600; font-size: 12px; }

.nav{
  display:flex;
  align-items:center;
  gap: 12px;
}
.nav__toggle{
  display:none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  cursor: pointer;
}
.hamburger{
  display:block;
  width: 18px; height: 2px;
  background: rgba(255,255,255,.88);
  position: relative;
  margin: 0 auto;
  border-radius: 2px;
}
.hamburger::before,
.hamburger::after{
  content:"";
  position:absolute;
  left:0;
  width: 18px; height: 2px;
  background: rgba(255,255,255,.88);
  border-radius: 2px;
}
.hamburger::before{ top: -6px; }
.hamburger::after{ top: 6px; }

.nav__menu{
  display:flex;
  align-items:center;
  gap: 10px;
}
.nav__link{
  color: rgba(255,255,255,.78);
  font-weight: 700;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 12px;
}
.nav__link:hover{
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
}
.nav__link--button{
  color: #0b0f17;
  background: linear-gradient(90deg, var(--primary), var(--primary2));
}

/* Hero */
.hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 42px 0 18px;
}
.hero::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 10% 10%, rgba(67,240,109,.20), transparent 50%),
    radial-gradient(700px 420px at 80% 15%, rgba(255,210,0,.18), transparent 55%),
    radial-gradient(900px 600px at 50% 110%, rgba(255,90,122,.12), transparent 55%);
}
.hero__grid{
  position: relative;
  z-index: 1;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
  align-items: start;
}
.eyebrow{
  display:inline-flex;
  gap: 10px;
  align-items:center;
  color: rgba(255,255,255,.80);
  font-weight: 700;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
}
.hero__title{
  margin: 14px 0 10px;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.8px;
}
.hero__titleAccent{
  display:block;
  margin-top: 10px;
  font-weight: 900;
  background: linear-gradient(90deg, var(--primary), var(--primary2), #ff7aa5);
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}
.hero__lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
  max-width: 64ch;
}
.hero__actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}
.hero__meta{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
  margin: 18px 0 14px;
}
.stat{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
}
.stat__label{
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
}
.stat__value{
  margin-top: 6px;
  font-weight: 900;
  font-size: 14px;
}
.chips{ display:flex; flex-wrap:wrap; gap: 8px; margin-top: 10px; }
.chip{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px dashed rgba(255,255,255,.18);
  color: rgba(255,255,255,.76);
  font-weight: 700;
  font-size: 12px;
}

/* Cards */
.card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card__header{ padding: 18px 18px 0; }
.card__title{ margin: 0; font-size: 16px; font-weight: 900; letter-spacing: -.2px; }
.card__subtitle{ margin: 6px 0 0; color: var(--muted); font-weight: 600; font-size: 13px; }
.card__body{ padding: 14px 18px 18px; }
.card__footer{ padding: 0 18px 18px; display:grid; gap: 10px; }

.checklist{
  list-style:none;
  padding:0; margin:0;
  display:grid; gap: 10px;
  color: rgba(255,255,255,.82);
  font-weight: 650;
}
.divider{
  height: 1px;
  background: rgba(255,255,255,.10);
  margin: 16px 0;
}
.inlineNote{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  padding: 12px;
  border-radius: 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
}
.inlineNote__dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  margin-top: 5px;
  background: linear-gradient(90deg, var(--primary), var(--primary2));
}
.inlineNote__text{ margin:0; color: rgba(255,255,255,.78); font-weight: 650; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.88);
  font-weight: 850;
  font-size: 13px;
  cursor: pointer;
  transition: transform .06s ease, background .12s ease;
}
.btn:hover{ background: rgba(255,255,255,.10); }
.btn:active{ transform: translateY(1px); }
.btn--primary{
  color: #0b0f17;
  border-color: rgba(255,255,255,.08);
  background: linear-gradient(90deg, var(--primary), var(--primary2));
}
.btn--secondary{
  background: rgba(255,255,255,.08);
}
.btn--ghost{
  background: transparent;
}
.btn--block{ width: 100%; }
.btn__icon{ font-weight: 900; }

/* Sections */
.section{
  padding: 42px 0;
}
.section--alt{
  background: rgba(255,255,255,.03);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section__head{
  margin-bottom: 18px;
}
.section__title{
  margin: 0;
  font-size: 26px;
  font-weight: 950;
  letter-spacing: -.4px;
}
.section__desc{
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 80ch;
  font-weight: 600;
}

/* Layout grids */
.grid3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
}
.grid2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
.feature{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  padding: 16px;
}
.feature__icon{ font-size: 22px; }
.feature__title{ margin: 10px 0 6px; font-weight: 900; font-size: 15px; }
.feature__text{ margin: 0; color: var(--muted); font-weight: 600; font-size: 13px; }

.panel{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  padding: 16px;
}
.panel__title{ margin: 0 0 10px; font-size: 15px; font-weight: 900; }
.bullets{
  margin: 0 0 14px;
  padding-left: 18px;
  color: rgba(255,255,255,.80);
  font-weight: 650;
}
.bullets li{ margin: 8px 0; }

/* Tabs + schedule */
.tabs{
  display:flex;
  gap: 10px;
  margin-top: 10px;
}
.tab{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.80);
  font-weight: 900;
  cursor: pointer;
}
.tab.is-active{
  color: #0b0f17;
  background: linear-gradient(90deg, var(--primary), var(--primary2));
  border-color: rgba(255,255,255,.08);
}
.tabpanes{ margin-top: 14px; }
.tabpane{ display:none; }
.tabpane.is-active{ display:block; }

.schedule{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow:hidden;
  background: rgba(255,255,255,.05);
}
.schedule__row{
  display:grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  padding: 14px 14px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.schedule__row:last-child{ border-bottom:0; }
.schedule__time{
  font-weight: 950;
  color: rgba(255,255,255,.88);
}
.schedule__title{ font-weight: 900; }
.schedule__meta{ color: var(--muted); font-weight: 650; font-size: 12.5px; margin-top: 4px; }

/* Accordion */
.accordion{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  overflow:hidden;
}
.acc{
  width: 100%;
  text-align:left;
  padding: 14px 16px;
  border: 0;
  background: transparent;
  color: rgba(255,255,255,.90);
  font-weight: 900;
  cursor: pointer;
  display:flex;
  align-items:center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.acc__icon{
  width: 32px;
  height: 32px;
  border-radius: 12px;
  display:grid;
  place-items:center;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}
.acc__panel{
  padding: 0 16px 14px;
  color: var(--muted);
  font-weight: 650;
}
.acc:last-of-type{ border-bottom: 0; }

/* CTA box */
.ctaBox{
  margin-top: 18px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(67,240,109,.10), rgba(255,210,0,.08));
}
.ctaBox__title{ margin: 0; font-weight: 950; font-size: 16px; }
.ctaBox__text{ margin: 6px 0 0; color: var(--muted); font-weight: 650; }
.ctaBox__actions{ display:flex; gap: 10px; flex-wrap: wrap; }

/* Footer */
.footer{
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.2fr .6fr .8fr;
  gap: 14px;
  align-items:start;
}
.footer__brand{ display:flex; align-items:center; gap: 10px; }
.footer__text{ margin: 10px 0 0; color: var(--muted); font-weight: 650; }
.footer__links{
  display:grid;
  gap: 10px;
}
.footer__links a{
  color: rgba(255,255,255,.78);
  font-weight: 800;
}
.footer__links a:hover{ color: rgba(255,255,255,.95); }
.footer__note{
  display:flex;
  flex-direction: column;
  gap: 10px;
  align-items:flex-end;
}
.footer__copy{ color: rgba(255,255,255,.55); font-weight: 650; font-size: 12px; }

.linkBtn{
  border: 0;
  background: transparent;
  color: rgba(255,255,255,.82);
  font-weight: 900;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Register page */
.register{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:start;
}
.form .field{
  display:grid;
  gap: 8px;
  margin-bottom: 12px;
}
label{
  font-weight: 850;
  font-size: 13px;
  color: rgba(255,255,255,.88);
}
input, select{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  outline: none;
}
select{
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  -webkit-text-fill-color: rgba(255,255,255,.92);
  color-scheme: dark;
  line-height: 1.2;
  padding-right: 38px;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(255,255,255,.75) 50%),
    linear-gradient(135deg, rgba(255,255,255,.75) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
select option,
select optgroup{
  background: #111827;
  color: #f5f7ff;
}
select option:checked{
  background: #1f2937;
  color: #ffffff;
}
select:disabled{
  opacity: .68;
  cursor: not-allowed;
}
input::placeholder{ color: rgba(255,255,255,.40); }
input:focus, select:focus{
  border-color: rgba(67,240,109,.55);
  box-shadow: 0 0 0 4px rgba(67,240,109,.14);
}
.field--checkbox{
  grid-template-columns: 18px 1fr;
  align-items:start;
  gap: 10px;
}
.field--checkbox input{
  width: 18px;
  height: 18px;
  margin-top: 3px;
}
.error{
  min-height: 14px;
  color: rgba(255,90,122,.90);
  font-weight: 700;
  font-size: 12px;
}

/* Toast */
.toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 100;
  width: min(560px, calc(100% - 24px));
}
.toast__content{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(14,18,26,.92);
  box-shadow: var(--shadow);
  color: rgba(255,255,255,.92);
  font-weight: 750;
}
.toast__close{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.90);
  cursor:pointer;
}

/* Utilities */
.mt12{ margin-top: 12px; }
.mt16{ margin-top: 16px; }
.muted{ color: var(--muted); font-weight: 650; }

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .footer__note{ align-items:flex-start; }
  .register{ grid-template-columns: 1fr; }
  .hero__meta{ grid-template-columns: 1fr; }
  .grid3{ grid-template-columns: 1fr; }
  .grid2{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .nav__toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav__menu{
    position: absolute;
    right: 20px;
    top: calc(100% + 10px);
    width: min(320px, calc(100vw - 40px));
    display:none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(14,18,26,.96);
    box-shadow: var(--shadow);
    z-index: 80;
  }
  .nav__menu.is-open{ display:flex; }
  .nav__link{ width: 100%; }
}
