:root{
  --bg:#0b1220;
  --card:#0f1a33;
  --muted:#9fb0d0;
  --text:#e9f0ff;
  --accent:#7b06fe;
  --accent2:#ff004a;
  --border:rgba(255,255,255,.08);
  --shadow: 0 14px 40px rgba(0,0,0,.35);
}
*{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", "Helvetica Neue", sans-serif;
  background: radial-gradient(1200px 800px at 30% 10%, rgba(110,168,255,.25), transparent 60%),
              radial-gradient(900px 700px at 80% 30%, rgba(123,241,200,.18), transparent 60%),
              var(--bg);
  color:var(--text);
}
a{color:inherit; text-decoration:none}
.container{max-width:1120px; margin:0 auto; padding:24px}
.nav{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(12px);
  background: rgba(11,18,32,.65);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 24px; max-width:1120px; margin:0 auto;}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.2px}
.badge{font-size:12px; color:rgba(233,240,255,.85); border:1px solid var(--border); padding:4px 10px; border-radius:999px}
.links{display:flex; flex-wrap:wrap; gap:10px}
.links a{
  color:rgba(233,240,255,.9);
  padding:8px 12px;
  border-radius:10px;
  border:1px solid transparent;
}
.links a:hover{border-color:var(--border); background: rgba(255,255,255,.04)}
.hero{
  padding:34px 0 14px;
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
  align-items:stretch;
}
@media (max-width: 900px){ .hero{grid-template-columns: 1fr} }
.h-card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:18px;
  padding:22px;
  box-shadow: var(--shadow);
}
.h1{font-size:36px; line-height:1.05; margin:0 0 12px}
.lead{color:rgba(233,240,255,.82); font-size:16px; line-height:1.6; margin:0 0 18px}
.row{display:flex; flex-wrap:wrap; gap:10px}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.05);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
}
.btn.primary{
  background: linear-gradient(90deg, rgba(110,168,255,.95), rgba(123,241,200,.85));
  color:#0b1220;
  border-color: transparent;
}
.btn:hover{transform: translateY(-1px)}
.kpis{display:grid; grid-template-columns: repeat(3, 1fr); gap:10px; margin-top:14px}
@media (max-width: 520px){ .kpis{grid-template-columns: 1fr} }
.kpi{
  border:1px solid var(--border);
  border-radius:16px;
  padding:14px;
  background: rgba(255,255,255,.03);
}
.kpi b{font-size:20px}
.kpi div{color:rgba(233,240,255,.72); font-size:12px; margin-top:6px}
.grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px; margin-top:14px}
@media (max-width: 900px){ .grid{grid-template-columns: 1fr} }
.card{
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
  background: rgba(255,255,255,.03);
  box-shadow: 0 10px 26px rgba(0,0,0,.25);
}
.card h3{margin:0 0 8px; font-size:18px}
.card p{margin:0; color:rgba(233,240,255,.78); line-height:1.55}
.small{font-size:12px; color:rgba(233,240,255,.62)}
.hr{height:1px; background:var(--border); margin:18px 0}
.footer{
  margin-top:28px;
  padding:18px 0 30px;
  color:rgba(233,240,255,.6);
  border-top:1px solid var(--border);
}
.input, select{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
label{display:block; margin:12px 0 8px; color:rgba(233,240,255,.75); font-size:13px}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:7px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background: rgba(255,255,255,.03);
  font-size:12px;
  color:rgba(233,240,255,.8);
}
.pills{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px}
.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.02);
}
.table th, .table td{
  padding:12px 12px;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
.table th{ text-align:left; font-size:12px; color:rgba(233,240,255,.72); background: rgba(255,255,255,.03); }
.table tr:last-child td{border-bottom:none}
.notice{
  border:1px solid rgba(110,168,255,.35);
  background: rgba(110,168,255,.08);
  padding:12px 14px;
  border-radius:14px;
  color:rgba(233,240,255,.86);
  line-height:1.55;
}


/* Brand + form controls */
select, .input{
  background: rgba(10, 14, 24, .72);
  color: rgba(240,245,255,.92);
  border: 1px solid rgba(255,255,255,.14);
}
select:focus, .input:focus{
  outline: none;
  border-color: rgba(123,6,254,.65);
  box-shadow: 0 0 0 4px rgba(123,6,254,.18);
}

/* Dropdown list (works on many browsers; some limit option styling) */
option, optgroup{
  background: rgba(10, 14, 24, .95);
  color: rgba(240,245,255,.92);
}

/* Final UI polish */
.nav a:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #ffffff;
}
.footer {
  text-align: center;
  font-size: 14px;
}
.card ul li {
  margin-bottom: 6px;
}

/* Header alignment fix */
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 260px;
}
.brand-title{
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.badge{
  white-space:nowrap;
}
.links{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:nowrap;
  white-space:nowrap;
}
.links a{
  display:inline-flex;
  align-items:center;
  padding:10px 12px;
  border-radius:12px;
}
@media (max-width: 900px){
  .nav-inner{flex-wrap:wrap}
  .links{flex-wrap:wrap; justify-content:flex-start}
}


/* ============================
   Responsive Patch (2026)
   Goal: remove fixed widths and make the UI mobile/tablet friendly
   ============================ */

*, *::before, *::after { box-sizing: border-box; }
img, svg, video, canvas { max-width: 100%; height: auto; }
html, body { width: 100%; overflow-x: hidden; }

/* Container */
.container{
  width: 100% !important;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* Navigation */
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:nowrap;
}
.brand{ display:flex; align-items:center; gap:12px; }
.links{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.links a{ white-space:nowrap; }

/* Grids / cards: auto-fit */
.cards, .subject-grid, .stats-grid, .grid{
  width: 100% !important;
  max-width: 100% !important;
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
  gap: 16px !important;
}

/* Compare layouts: stack on small screens */
.compare-wrap, .compare-grid, .two-col, .split{
  display: grid !important;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Tables */
.table-wrap, .table-container{
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-wrap table, .table-container table{
  min-width: 680px;
}

/* Inputs */
input, select, textarea{ max-width:100%; }
select{ width:100%; }
.btn, button{ max-width:100%; }

/* Breakpoints */
@media (max-width: 1024px){
  .compare-wrap, .compare-grid, .two-col, .split{ grid-template-columns: 1fr !important; }
  .nav-inner{ flex-wrap:wrap; }
}

@media (max-width: 768px){
  .links{ width: 100%; }
  h1{ font-size: 1.9rem; }
  .cards, .subject-grid, .stats-grid, .grid{ grid-template-columns: 1fr !important; }
  .footer{ padding: 18px 12px; }
}

@media (max-width: 480px){
  h1{ font-size: 1.6rem; }
  .links a{ padding: 9px 10px; }
  .btn, button{ width:100%; }
}


/* ============================
   Header: Desktop single row + Mobile Hamburger
   ============================ */
.links{ flex-wrap: nowrap !important; }
.nav-toggle{
  display:none;
  background:none;
  border:0;
  color:var(--text);
  font-size:28px;
  cursor:pointer;
}

@media (max-width: 768px){
  .nav-toggle{ display:block; }
  .links{
    display:none;
    width:100%;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:12px;
    padding:12px;
    margin-top:10px;
  }
  .links.open{ display:flex; }
}


/* ============================
   Header: Desktop single row + Mobile Hamburger (animated)
   ============================ */

/* Desktop: keep one row */
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:nowrap;
}
.links{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:nowrap;
}
.links a{ white-space:nowrap; }

.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--border);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  line-height:1;
  cursor:pointer;
}
.nav-toggle:focus{ outline:2px solid rgba(123,6,254,.5); outline-offset:2px; }

/* Mobile: hamburger dropdown with animation */
@media (max-width: 768px){
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .links{
    width:100%;
    flex-direction:column;
    align-items:flex-start;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:12px;
    padding:12px;
    margin-top:10px;

    /* animation */
    overflow:hidden;
    max-height:0;
    opacity:0;
    transform: translateY(-6px);
    transition: max-height .25s ease, opacity .2s ease, transform .2s ease;
  }
  .links.open{
    max-height: 70vh;
    opacity:1;
    transform: translateY(0);
  }
  .links a{ width:100%; }
}