:root {
  --bg: #071410;
  --bg2: #0c1e18;
  --bg3: #102820;
  --card: #0e2018;
  --border: #1a382a;
  --green: #22c55e;
  --lime: #bef264;
  --purple: #a855f7;
  --text: #d1fae5;
  --muted: #6ee7b7;
  --dark: #04100c;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}
a { color: var(--lime); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green); }
img { max-width: 100%; height: auto; display: block; }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 16px; }

/* Header */
.header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 12px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--lime);
}
.logo:hover { color: var(--green); }
.logo img { width: 36px; height: 36px; border-radius: 6px; }
.header-btns { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .2s;
  text-decoration: none;
}
.btn-cta {
  background: var(--lime);
  color: var(--dark);
  border-color: var(--lime);
}
.btn-cta:hover { background: #d9f99d; color: var(--dark); }
.btn-purple {
  background: var(--purple);
  color: #fff;
  border-color: var(--purple);
}
.btn-purple:hover { background: #9333ea; color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--lime);
  border-color: var(--lime);
}
.btn-outline:hover { background: var(--lime); color: var(--dark); }

/* Burger - CSS only: checkbox is first in header, then label, then nav */
.burger-toggle { position: absolute; opacity: 0; pointer-events: none; width: 0; height: 0; }
.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  width: 42px;
  height: 42px;
}
.burger-btn span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--lime);
  border-radius: 2px;
  transition: .3s;
}

/* Nav */
.nav-wrap {
  border-top: 1px solid var(--border);
}
.nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  padding: 0;
  list-style: none;
}
.nav a {
  display: block;
  padding: 12px 16px;
  color: var(--muted);
  font-weight: 600;
  font-size: .95rem;
  border-bottom: 3px solid transparent;
  transition: all .2s;
}
.nav a:hover,
.nav a.active {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 48px 0 40px;
}
.hero-text h1 {
  font-size: 1.85rem;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #fff;
}
.hero-text p {
  color: var(--muted);
  margin-bottom: 24px;
  font-size: 1.05rem;
}
.hero-banner {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
.hero-banner img { width: 100%; }

/* Sections */
.section { padding: 40px 0; }
.section h2 {
  font-size: 1.45rem;
  color: #fff;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}
.section h3 {
  font-size: 1.15rem;
  color: var(--lime);
  margin: 24px 0 12px;
}
.section p { margin-bottom: 14px; }
.section ul, .section ol { margin: 12px 0 16px 24px; }
.section li { margin-bottom: 8px; }

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border-radius: 8px;
  border: 1px solid var(--border);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
th {
  background: var(--bg3);
  color: var(--lime);
  text-align: left;
  padding: 12px 14px;
  font-weight: 700;
}
td {
  padding: 11px 14px;
  border-top: 1px solid var(--border);
}
tr:nth-child(even) td { background: var(--card); }
tr:nth-child(odd) td { background: var(--bg2); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.card h3 { margin-top: 0; color: var(--lime); }

.anchor-link {
  color: var(--green);
  font-weight: 700;
  text-decoration: underline;
}
.anchor-link:hover { color: var(--lime); }

.cta-block {
  background: linear-gradient(135deg, var(--bg3), var(--card));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  margin: 32px 0;
}
.cta-block h2 { border: none; margin-bottom: 12px; }
.cta-block .btn { margin-top: 12px; }

/* FAQ CSS accordion */
.faq { margin: 24px 0; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-item input { display: none; }
.faq-q {
  display: block;
  padding: 14px 44px 14px 18px;
  background: var(--bg2);
  cursor: pointer;
  font-weight: 600;
  position: relative;
  color: var(--text);
}
.faq-q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  color: var(--lime);
}
.faq-item input:checked ~ .faq-q::after { content: "−"; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
  background: var(--card);
}
.faq-item input:checked ~ .faq-a { max-height: 600px; }
.faq-a-inner {
  padding: 14px 18px;
  color: var(--muted);
}

/* Mid banner */
.mid-banner {
  margin: 28px 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  text-align: center;
}
.mid-banner img { margin: 0 auto; max-height: 320px; width: auto; }

/* Footer */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 32px 0 24px;
  margin-top: 40px;
  text-align: center;
  color: var(--muted);
  font-size: .9rem;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}
.footer-nav a { color: var(--muted); }
.footer-nav a:hover { color: var(--lime); }
.footer p { margin-top: 8px; }

/* Responsive — Tablet (≤768px) */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; }
  .hero-banner { order: -1; }
  .hero-text h1 { font-size: 1.4rem; }
  .section { padding: 28px 0; }

  .burger-btn { display: flex; }
  .nav-wrap {
    display: none;
    width: 100%;
  }
  /* Burger CSS-toggle: header > #burger ~ .container.header-top, #burger ~ .nav-wrap */
  #burger:checked ~ .nav-wrap { display: block; }
  #burger:checked ~ .header-top .burger-btn span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  #burger:checked ~ .header-top .burger-btn span:nth-child(2) { opacity: 0; }
  #burger:checked ~ .header-top .burger-btn span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .nav { flex-direction: column; }
  .nav a {
    border-bottom: 1px solid var(--border);
    border-left: 3px solid transparent;
    padding: 14px 16px;
  }
  .nav a.active,
  .nav a:hover {
    border-left-color: var(--lime);
    border-bottom-color: var(--border);
  }
  .header-btns .btn { padding: 8px 12px; font-size: .8rem; }

  .mid-banner img { max-height: 220px; width: 100%; object-fit: cover; }
  .cta-block { padding: 20px 16px; }
}

/* Responsive — Small phones (≤480px) */
@media (max-width: 480px) {
  .container { padding: 0 12px; }

  /* Header: hide the "login" outline button, keep only register + burger */
  .btn-outline { display: none; }
  .header-btns { gap: 8px; }
  .logo span { font-size: 1.1rem; }

  .hero { padding: 28px 0 24px; gap: 20px; }
  .hero-text h1 { font-size: 1.2rem; }
  .hero-text p { font-size: .95rem; }

  .section h2 { font-size: 1.2rem; }
  .section h3 { font-size: 1rem; }

  /* Cards: force single column */
  .card-grid { grid-template-columns: 1fr; }

  /* Tables: make them scrollable with a hint */
  .table-wrap { -webkit-overflow-scrolling: touch; }
  table { font-size: .82rem; }
  th, td { padding: 9px 10px; }

  .mid-banner img { max-height: 180px; }
  .cta-block { padding: 16px 12px; }
  .cta-block p { font-size: .95rem; }

  .faq-q { padding: 12px 40px 12px 14px; font-size: .9rem; }

  .footer { padding: 24px 0 16px; font-size: .82rem; }
  .footer-nav { gap: 10px 14px; }

  .btn { padding: 10px 16px; font-size: .85rem; }
  .btn-cta, .btn-purple { padding: 11px 18px; }
}