:root{
  --bg: #0b1f16;         /* very dark green background */
  --card: #0f2a1f;       /* dark green panel */
  --accent: #2dd4a3;     /* green accent */
  --accent-2: #16a34a;   /* deeper green */
  --text: #eaf7f1;       /* near-white */
  --muted: #b7d6c9;      /* soft green-gray */
  --border: rgba(234,247,241,0.12);
  --shadow: 0 18px 40px rgba(0,0,0,0.35);
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(45,212,163,0.14), transparent 60%),
    radial-gradient(800px 500px at 80% 30%, rgba(22,163,74,0.10), transparent 60%),
    var(--bg);
  color: var(--text);
}

a{ color: inherit; text-decoration: none; }

.container{
  width: min(1100px, 92%);
  margin: 0 auto;
}

.nav{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,31,22,0.65);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .3px;
}
.logo{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 18px rgba(45,212,163,0.18);
}

.menu{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.menu a{
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--muted);
  font-weight: 600;
}
.menu a:hover{
  border-color: var(--border);
  color: var(--text);
  background: rgba(234,247,241,0.06);
}
.menu a.active{
  color: var(--text);
  background: rgba(45,212,163,0.14);
  border-color: rgba(45,212,163,0.25);
}

.hero{
  padding: 52px 0 24px;
}
.card{
  background: rgba(15,42,31,0.78);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-card{
  padding: 40px 22px;
  text-align: center;
}
.badge{
  display:inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(45,212,163,0.14);
  border: 1px solid rgba(45,212,163,0.25);
  color: var(--text);
  font-weight: 700;
  font-size: 13px;
}
h1{
  margin: 14px 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
}
.subtitle{
  margin: 0 auto 22px;
  max-width: 720px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}

.btns{
  display:flex;
  gap: 12px;
  justify-content:center;
  flex-wrap: wrap;
  margin-top: 14px;
}
.btn{
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-weight: 700;
  color: var(--text);
  background: rgba(234,247,241,0.06);
  transition: 0.18s ease;
}
.btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(0,0,0,0.25);
}
.btn.primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: rgba(255,255,255,0.05);
  color: #062015;
}

.section{
  padding: 22px 0 56px;
}
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.block{
  padding: 18px;
}
.block h2{
  margin: 0 0 8px;
  font-size: 20px;
}
.block p{
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.col-4{ grid-column: span 4; }
.col-6{ grid-column: span 6; }
.col-12{ grid-column: span 12; }

@media (max-width: 800px){
  .col-4, .col-6{ grid-column: span 12; }
  .hero-card{ padding: 32px 18px; }
}

.footer{
  border-top: 1px solid var(--border);
  padding: 18px 0 26px;
  color: var(--muted);
  font-size: 13px;
  text-align:center;
}

.input, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(234,247,241,0.06);
  color: var(--text);
  outline: none;
}
textarea{ min-height: 120px; resize: vertical; }
label{ display:block; margin: 10px 0 6px; color: var(--muted); font-weight: 700; font-size: 13px; }
.small-note{ color: var(--muted); font-size: 13px; margin-top: 10px; }