:root {
  --bg: #0a0d13;
  --bg2: #10141d;
  --panel: #141926;
  --border: #232c3e;
  --texto: #e6ebf3;
  --texto2: #8c97ad;
  --verde: #2ebd85;
  --verde2: #1f8a61;
  --vermelho: #f6465d;
  --azul: #4f8cff;
  --amarelo: #f0b90b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--texto);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.bg-gradient {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 600px at 15% -10%, rgba(79, 140, 255, 0.10), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(46, 189, 133, 0.10), transparent 55%),
    linear-gradient(180deg, #0a0d13 0%, #0a0d13 100%);
}

/* ---------- Home ---------- */

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  max-width: 1180px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 18px;
}
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--verde);
  box-shadow: 0 0 12px var(--verde);
}
.nav .btn-nav {
  color: var(--texto);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 14px;
  transition: border-color .15s, background .15s;
}
.nav .btn-nav:hover { border-color: var(--azul); background: rgba(79,140,255,.08); }

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 70px 40px 40px;
  text-align: center;
}
.hero .tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--verde);
  border: 1px solid rgba(46,189,133,.35);
  background: rgba(46,189,133,.08);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.hero h1 {
  font-size: 52px;
  line-height: 1.08;
  letter-spacing: -1px;
  margin-bottom: 22px;
}
.hero h1 .grad {
  background: linear-gradient(90deg, var(--verde), var(--azul));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.sub {
  font-size: 18px;
  color: var(--texto2);
  max-width: 640px;
  margin: 0 auto 34px;
  line-height: 1.6;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(90deg, var(--verde), var(--verde2));
  color: #04150e;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  padding: 15px 34px;
  border-radius: 10px;
  transition: transform .12s, box-shadow .12s;
  box-shadow: 0 10px 30px rgba(46,189,133,.25);
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(46,189,133,.35); }

.features {
  max-width: 1180px;
  margin: 60px auto 0;
  padding: 0 40px 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 24px;
  text-align: left;
}
.feature h3 { font-size: 17px; margin-bottom: 10px; }
.feature p { color: var(--texto2); font-size: 14px; line-height: 1.6; }
.feature .ico {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--verde);
}
.feature .ico svg { width: 22px; height: 22px; }

.foot {
  text-align: center;
  color: var(--texto2);
  font-size: 12px;
  padding: 30px 40px 40px;
  border-top: 1px solid var(--border);
  max-width: 1180px;
  margin: 0 auto;
}

/* ---------- Login ---------- */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 38px 34px;
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.login-card .brand {
  justify-content: center;
  margin-bottom: 6px;
  font-size: 20px;
}
.login-card .subtitle {
  text-align: center;
  color: var(--texto2);
  font-size: 14px;
  margin-bottom: 28px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--texto2);
  margin-bottom: 7px;
}
.field input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 13px 14px;
  color: var(--texto);
  font-size: 15px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus {
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(79,140,255,.15);
}
.btn-login {
  width: 100%;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--verde), var(--verde2));
  color: #04150e;
  font-weight: 700;
  font-size: 15px;
  border: none;
  border-radius: 9px;
  padding: 14px;
  cursor: pointer;
  transition: transform .1s, box-shadow .12s;
  box-shadow: 0 10px 26px rgba(46,189,133,.22);
}
.btn-login:hover { transform: translateY(-1px); box-shadow: 0 12px 30px rgba(46,189,133,.3); }
.erro-box {
  background: rgba(246,70,93,.12);
  border: 1px solid rgba(246,70,93,.4);
  color: #ff97a6;
  font-size: 13px;
  padding: 11px 14px;
  border-radius: 9px;
  margin-bottom: 20px;
  text-align: center;
}
.login-foot {
  text-align: center;
  margin-top: 22px;
  font-size: 12px;
  color: var(--texto2);
}
.login-foot a { color: var(--azul); text-decoration: none; }

@media (max-width: 820px) {
  .hero h1 { font-size: 38px; }
  .features { grid-template-columns: 1fr; }
  .nav, .hero { padding-left: 22px; padding-right: 22px; }
}