:root{
  /* Light, clean base */
  --bgBase:#F7F8FF;
  --text:#0B1220;
  --muted: rgba(11,18,32,.70);
  --muted2: rgba(11,18,32,.55);

  /* Surfaces */
  --card: rgba(255,255,255,.78);
  --card2: rgba(255,255,255,.62);
  --stroke: rgba(15,23,42,.12);

  /* Color accents (multicolor, but professional) */
  --a:#1AB7FF;   /* ocean */
  --b:#6D5BFF;   /* violet */
  --c:#18D39E;   /* mint */
  --d:#FF4DA6;   /* pink */
  --e:#FFB020;   /* warm sun */

  --shadow: 0 18px 45px rgba(16,24,40,.12);
  --shadow2: 0 10px 25px rgba(16,24,40,.10);
  --radius: 18px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  line-height:1.55;

  /* Bright multicolor background (no black theme) */
  background:
    radial-gradient(900px 600px at 10% 10%, rgba(26,183,255,.28), transparent 60%),
    radial-gradient(900px 600px at 90% 12%, rgba(255,77,166,.22), transparent 58%),
    radial-gradient(800px 560px at 78% 78%, rgba(109,91,255,.22), transparent 58%),
    radial-gradient(700px 540px at 18% 86%, rgba(24,211,158,.20), transparent 60%),
    radial-gradient(700px 540px at 45% 35%, rgba(255,176,32,.18), transparent 62%),
    linear-gradient(180deg, #FFFFFF, var(--bgBase));
}

a{ color:inherit; text-decoration:none; }
a:hover{ opacity:.92; }

.container{
  width:min(1120px, calc(100% - 40px));
  margin:0 auto;
}

.muted{ color: var(--muted); }

.skip{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;height:1px;
  overflow:hidden;
}
.skip:focus{
  left:16px; top:16px;
  width:auto; height:auto;
  padding:10px 12px;
  background:#fff;
  border:1px solid var(--stroke);
  border-radius:12px;
  z-index:9999;
  box-shadow: var(--shadow2);
}

/* Top bar */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,.72);
  border-bottom: 1px solid var(--stroke);
}
.topbar__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: 240px;
}
.brand__mark{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-weight:800;
  letter-spacing:.3px;
  color:#081022;
  background:
    radial-gradient(140% 140% at 15% 10%, rgba(26,183,255,.95), rgba(109,91,255,.85)),
    radial-gradient(120% 120% at 90% 90%, rgba(255,77,166,.75), transparent 60%);
  box-shadow: 0 12px 30px rgba(26,183,255,.18);
}
.brand__text{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brand__sub{
  font-size:12px;
  color: var(--muted2);
}

.nav{
  display:flex;
  gap:18px;
  align-items:center;
}
.nav__link{
  font-size:14px;
  color: var(--muted);
  padding:10px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.nav__link:hover{
  color: var(--text);
  border-color: var(--stroke);
  background: rgba(255,255,255,.55);
}

.topbar__cta{ display:flex; gap:10px; }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:11px 14px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.70);
  color: var(--text);
  font-weight:700;
  font-size:14px;
  letter-spacing:.2px;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  box-shadow: 0 10px 22px rgba(16,24,40,.06);
}
.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(16,24,40,.10);
}

.btn--primary{
  border: 0;
  color:#071022;
  background: linear-gradient(90deg, rgba(26,183,255,.95), rgba(109,91,255,.90), rgba(255,77,166,.85));
  box-shadow: 0 16px 40px rgba(109,91,255,.18);
}
.btn--soft{
  border-color: rgba(26,183,255,.30);
  background:
    radial-gradient(130% 200% at 10% 20%, rgba(26,183,255,.22), rgba(255,255,255,.75));
}
.btn--ghost{
  background: rgba(255,255,255,.45);
}

/* Hero */
.hero{
  padding: 56px 0 10px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .85fr;
  gap:26px;
  align-items:start;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:7px 12px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.60);
  color: rgba(11,18,32,.70);
  font-size:13px;
  box-shadow: 0 10px 22px rgba(16,24,40,.06);
}

.hero__title{
  margin:14px 0 12px;
  font-size: clamp(32px, 3.2vw, 52px);
  line-height:1.05;
  letter-spacing: -0.02em;
}

.hero__titleAccent{
  display:inline-block;
  background: linear-gradient(90deg, var(--a), var(--b), var(--d));
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}

.hero__lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 58ch;
}

.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin: 0 0 18px;
}

.hero__badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.65);
  color: rgba(11,18,32,.72);
  font-size: 13px;
  box-shadow: 0 10px 22px rgba(16,24,40,.06);
}
.badge__dot{
  width:10px;height:10px;border-radius:99px;
  box-shadow: 0 0 0 3px rgba(15,23,42,.06);
}
.badge__dot--a{ background: var(--a); }
.badge__dot--b{ background: var(--d); }
.badge__dot--c{ background: var(--c); }

/* Right panel */
.panel{
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.65);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.panel__head{
  padding: 16px 16px 10px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
}

.panel__title{
  font-weight:900;
  letter-spacing:.2px;
}
.panel__sub{
  color: var(--muted2);
  font-size: 12px;
  margin-top: 2px;
}

.panel__links{
  padding: 6px 12px 12px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.quick{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 12px;
  border-radius: 16px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.70);
  transition: transform .12s ease, box-shadow .12s ease;
  box-shadow: 0 10px 22px rgba(16,24,40,.06);
}
.quick:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(16,24,40,.10);
}

.quick__icon{
  width:40px;height:40px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  color: rgba(11,18,32,.90);
  background:
    radial-gradient(120% 160% at 20% 10%, rgba(26,183,255,.25), rgba(109,91,255,.16)),
    radial-gradient(120% 160% at 90% 90%, rgba(255,77,166,.18), transparent 60%);
  border:1px solid rgba(15,23,42,.10);
}

.quick__icon svg{ width:22px; height:22px; }

.quick__text{ display:flex; flex-direction:column; gap:2px; min-width:0; }
.quick__name{ font-weight:900; }
.quick__meta{ color: var(--muted2); font-size:12px; }
.quick__chev{ margin-left:auto; color: var(--muted2); font-size:20px; }

.panel__divider{
  height:1px;
  background: rgba(15,23,42,.10);
  margin: 4px 0;
}

.panel__miniTitle{
  padding: 10px 16px 10px;
  font-size: 12px;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: .12em;
}

.panel__miniLinks{
  padding: 0 12px 14px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.mini{
  display:block;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.68);
  color: rgba(11,18,32,.75);
  box-shadow: 0 10px 22px rgba(16,24,40,.06);
}
.mini:hover{
  color: var(--text);
}

/* Section */
.section{
  padding: 26px 0 64px;
}

.section__head{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom: 14px;
}
.section__head h2{
  margin:0;
  font-size: clamp(22px, 2.1vw, 32px);
  letter-spacing: -0.01em;
}

/* Chooser */
.chooser{
  border-radius: var(--radius);
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.58);
  padding: 18px;
  box-shadow: var(--shadow2);
}

.chooser__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom: 16px;
}

.chips{ display:flex; gap:10px; flex-wrap:wrap; }

.chip{
  display:inline-flex;
  padding:10px 12px;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.75);
  font-weight:850;
  font-size:13px;
  color: rgba(11,18,32,.70);
  box-shadow: 0 10px 22px rgba(16,24,40,.05);
}

.chip--active{
  color:#071022;
  border:0;
  background: linear-gradient(90deg, rgba(26,183,255,.92), rgba(24,211,158,.80), rgba(255,176,32,.85));
}

.chip--disabled{
  opacity:.55;
  cursor:not-allowed;
}

/* Cards */
.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top: 8px;
}

.card{
  border-radius: 18px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.70);
  padding: 16px;
  box-shadow: var(--shadow2);
}

.card h3{ margin:0; font-size:18px; letter-spacing:-0.01em; }

.card__top{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom: 10px;
}

.card__icon{
  width:38px;height:38px;
  border-radius: 14px;
  border:1px solid rgba(15,23,42,.10);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}

.card__icon--a{ background: radial-gradient(120% 160% at 20% 10%, rgba(26,183,255,.40), rgba(26,183,255,.12)); }
.card__icon--b{ background: radial-gradient(120% 160% at 20% 10%, rgba(109,91,255,.38), rgba(109,91,255,.12)); }
.card__icon--c{ background: radial-gradient(120% 160% at 20% 10%, rgba(24,211,158,.34), rgba(24,211,158,.10)); }

.card__links{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top: 12px;
}

.link{
  display:inline-flex;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.72);
  color: rgba(11,18,32,.72);
  box-shadow: 0 10px 22px rgba(16,24,40,.05);
}
.link:hover{
  color: var(--text);
}

/* Note */
.note{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: linear-gradient(90deg, rgba(26,183,255,.12), rgba(109,91,255,.10), rgba(255,77,166,.10), rgba(255,176,32,.10));
  color: rgba(11,18,32,.72);
  box-shadow: 0 10px 22px rgba(16,24,40,.06);
}

/* Footer */
.footer{
  border-top: 1px solid var(--stroke);
  background: rgba(255,255,255,.72);
  padding: 22px 0;
  backdrop-filter: blur(14px);
}
.footer__inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer__brand{
  font-weight:950;
  letter-spacing:.3px;
}
.footer__links{
  display:flex;
  gap:14px;
}
.footer__links a{
  color: rgba(11,18,32,.68);
}
.footer__links a:hover{
  color: var(--text);
}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .brand{ min-width: auto; }
  .nav{ display:none; }
  .grid3{ grid-template-columns: 1fr; }
}