:root {
  --dark: #061318;
  --dark-soft: #0d2229;
  --green: #26f2a6;
  --blue: #38bdf8;
  --text: #eafbf5;
  --muted: #9bb7b0;
  --card: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.13);
}

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

body {
  background:
    radial-gradient(circle at top left, rgba(38,242,166,.16), transparent 35%),
    linear-gradient(180deg, #061318, #081c22);
  font-family: Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

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

.container {
  max-width: 1160px;
  margin: auto;
  padding: 0 20px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 19, 24, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 78px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo span {
  display: block;
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--green);
}

.logo small {
  color: var(--muted);
  font-size: .75rem;
}

.btn-header {
  border: 1px solid var(--border);
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 700;
}

.register-hero {
  padding: 80px 0;
}

.register-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 44px;
  align-items: start;
}

.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  font-size: .8rem;
  letter-spacing: .6px;
  font-weight: 900;
}

.register-info h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1;
  margin: 18px 0 22px;
}

.register-info p {
  color: var(--muted);
  font-size: 1.1rem;
}

.benefits {
  margin-top: 36px;
  display: grid;
  gap: 16px;
}

.benefits div {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 20px;
}

.benefits strong {
  display: block;
  color: var(--green);
  font-size: 1.5rem;
  margin-bottom: 6px;
}

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

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 32px;
  box-shadow: 0 35px 90px rgba(0,0,0,.32);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #07181d;
  color: var(--text);
  border-radius: 15px;
  padding: 14px 15px;
  font-family: inherit;
  font-size: 1rem;
  outline: none;
}

.form-group textarea {
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(38,242,166,.12);
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox input {
  width: auto;
  margin-top: 6px;
}

.checkbox label {
  color: var(--muted);
  font-weight: 400;
}

.btn-submit {
  width: 100%;
  border: none;
  cursor: pointer;
  padding: 15px 22px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #031014;
  transition: .25s ease;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(38,242,166,.18);
}

.container {
  max-width: 1180px;
  margin: auto;
  padding: 0 20px;
}

.footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.footer h3 {
  color: var(--green);
  font-size: 1.7rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 18px 0;
}

.footer-links a:hover {
  color: var(--green);
}

@media (max-width: 900px) {
  .register-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .register-hero {
    padding: 50px 0;
  }

  .nav {
    flex-direction: column;
    gap: 14px;
    padding: 18px 0;
  }

  .form-card {
    padding: 24px;
  }
}