:root {
  --bg: #050708;
  --cyan: #4CDFFF;
  --text: #f4f6f7;
  --text-dim: #6b7478;
  --border: #1c2226;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  opacity: 0.35;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.brand-text {
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 15px;
  line-height: 1.1;
  color: var(--text-dim);
}


.brand-text small {
  display: block;
  font-weight: 500;
  letter-spacing: 2px;
  font-size: 11px;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
}

.main-nav a.active {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.theme-toggle {
  color: var(--text-dim);
  font-size: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--cyan);
  color: #04181f;
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text-dim);
}

/* Hero */
.hero {
  position: relative;
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px 100px;
}

.hero-bg-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 60px;
  pointer-events: none;
}

.hero-bg-text span {
  font-size: 56px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.05);
  line-height: 1.1;
}

.hero-bg-text p {
  margin-top: 24px;
  max-width: 480px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.06);
}

.hero-bg-btn {
  align-self: flex-start;
  margin-top: 32px;
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.1);
}

.hero-inner {
  position: relative;
  z-index: 1;
  /* max-width: 700px; */
}

.hero-logo {
  width: 90px;
  height: auto;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 85px;
  font-weight: 600;
  margin: 0 0 18px;
  line-height: 1.4;
  letter-spacing: 1.25px;
}

.hero h1 .light {
  font-weight: 600;
}

.hero-sub {
  color: var(--cyan);
  font-size: 40px;
  font-weight: 400;
  margin: 0 0 70px;
}

.hero-login-note {
  color: var(--text);
  font-size: 30px;
  margin: 0 0 20px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Footer */
.site-footer {
  /* border-top: 1px solid var(--border); */
  padding: 18px 24px;
  text-align: center;
  /* color: var(--text-dim); */
  font-size: 18px;
}

.site-footer a {
  color: var(--text);
  text-decoration: underline;
}

.footer-contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .hero h1 { font-size: 35px; }
  .hero-sub { font-size: 25px; }

  .footer-contacts {
    flex-direction: column;
    gap: 14px;
  }

  .footer-sep {
    display: none;
  }
}