body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: radial-gradient(ellipse at 60% 30%, #18202b 0%, #10131a 80%);
  color: #fff;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

#web-net-bg {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.background-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
  background: linear-gradient(90deg, transparent 60%, #ff003c33 100%);
  opacity: 0.7;
  pointer-events: none;
}

header {
  text-align: center;
  padding: 70px 20px 30px 20px;
  position: relative;
  z-index: 2;
}
.logo-section {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.logo-img {
  width: 140px;
  margin-bottom: 18px;
  filter: drop-shadow(0 0 32px #00eaff) drop-shadow(0 0 8px #ff003c);
}
h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #00eaff;
  margin: 0 0 12px 0;
  letter-spacing: 2px;
  text-shadow: 0 0 16px #00eaff, 0 0 32px #ff003c44;
}
.slogan {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 28px;
  opacity: 0.9;
  text-shadow: 0 0 8px #00eaff44;
}
.cta-buttons {
  display: flex;
  gap: 18px;
  margin-bottom: 24px;
}
.btn {
  padding: 14px 36px;
  border-radius: 32px;
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 2px 24px #00eaff55;
  border: none;
  outline: none;
  cursor: pointer;
}
.btn.primary {
  background: linear-gradient(90deg, #00eaff 0%, #00bfff 100%);
  color: #10131a;
  box-shadow: 0 0 24px #00eaff99;
}
.btn.primary:hover {
  background: linear-gradient(90deg, #00bfff 0%, #00eaff 100%);
  color: #fff;
  transform: scale(1.05);
}
.btn.secondary {
  background: transparent;
  color: #00eaff;
  border: 2px solid #00eaff;
  box-shadow: 0 0 12px #00eaff44;
}
.btn.secondary:hover {
  background: #00eaff22;
  color: #fff;
  transform: scale(1.05);
}
main {
  position: relative;
  z-index: 2;
}
section {
  margin: 0 auto 48px auto;
  max-width: 900px;
  background: rgba(16,19,26,0.85);
  border-radius: 24px;
  box-shadow: 0 4px 32px #00eaff11;
  padding: 36px 24px;
  backdrop-filter: blur(2px);
}
footer {
  text-align: center;
  padding: 36px 10px 18px 10px;
  color: #aaa;
  font-size: 1rem;
  background: transparent;
  z-index: 2;
  position: relative;
}
.footer-links a {
  color: #00eaff;
  text-decoration: none;
  margin: 0 8px;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: #ff003c;
}
.navbar {
  width: 100%;
  background: #17191d;
  box-shadow: 0 2px 12px #0000000a;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 64px;
  position: relative;
  z-index: 10;
  box-sizing: border-box;
}
.navbar-left {
  display: flex;
  align-items: center;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar-title {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.navbar-menu {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  flex: 1 1 auto;
  justify-content: center;
}
.navbar-menu li {
  font-weight: 600;
  font-size: 1.08rem;
}
.navbar-menu li a {
  color: #cfd6e1;
  text-decoration: none;
  transition: color 0.2s;
  padding: 4px 0;
  display: inline-block;
}
.navbar-menu li.active a,
.navbar-menu li a:hover {
  color: #00eaff;
  font-weight: 700;
}
.navbar-right {
  display: flex;
  align-items: center;
}
.navbar-cabinet {
  background: #23252a;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 12px;
  padding: 10px 28px;
  text-decoration: none;
  box-shadow: 0 2px 8px #00000022;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  display: inline-block;
}
.navbar-cabinet:hover {
  background: #00eaff22;
  color: #00eaff;
  box-shadow: 0 4px 16px #00eaff33;
}
@media (max-width: 900px) {
  .navbar { padding: 0 12px; }
  .navbar-menu { gap: 18px; }
  .navbar-cabinet { padding: 8px 16px; font-size: 0.98rem; }
}
@media (max-width: 600px) {
  .navbar { flex-direction: column; height: auto; padding: 0 2px; }
  .navbar-menu { flex-wrap: wrap; gap: 10px; justify-content: center; }
  .navbar-cabinet { margin: 8px 0 0 0; }
}
@media (max-width: 600px) {
  h1 { font-size: 2.1rem; }
  .logo-img { width: 90px; }
  .cta-buttons { flex-direction: column; gap: 12px; }
  header { padding: 38px 8px 18px 8px; }
  section { padding: 18px 6px; }
} 

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(16, 19, 26, 0.92);
  backdrop-filter: blur(2px);
  justify-content: center;
  align-items: center;
}
.modal.show {
  display: flex;
}
.modal-content {
  background: #181b22;
  border-radius: 18px;
  box-shadow: 0 8px 48px #00000055;
  padding: 38px 32px 32px 32px;
  min-width: 340px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 2rem;
  color: #888;
  cursor: pointer;
  transition: color 0.2s;
}
.modal-close:hover {
  color: #00eaff;
}
.modal-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: #fff;
  text-align: center;
}
.modal-content label {
  display: block;
  font-size: 1.08rem;
  color: #bfc7d5;
  margin-bottom: 8px;
  margin-top: 18px;
  font-weight: 500;
}
.modal-content input[type="email"],
.modal-content input[type="text"] {
  width: 100%;
  padding: 16px 18px;
  border-radius: 12px;
  border: none;
  background: #23252a;
  color: #fff;
  font-size: 1.08rem;
  margin-bottom: 18px;
  margin-top: 2px;
  outline: none;
  box-shadow: 0 2px 8px #00000022;
  transition: box-shadow 0.2s, background 0.2s;
}
.modal-content input[type="email"]:focus,
.modal-content input[type="text"]:focus {
  background: #232e36;
  box-shadow: 0 0 0 2px #00eaff55;
}
.modal-info {
  color: #bfc7d5;
  font-size: 1rem;
  margin-bottom: 18px;
  text-align: center;
}
#login-message {
  margin-top: 18px;
  color: #00eaff;
  font-weight: 600;
  text-align: center;
}
@media (max-width: 600px) {
  .modal-content { min-width: 90vw; padding: 18px 6px 18px 6px; }
  .modal-content h2 { font-size: 1.3rem; }
}