/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav__logo img {
  width: 26px;
  height: 26px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.nav__link:hover,
.nav__link--active {
  color: var(--text);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.btn--lg {
  padding: 12px 22px;
  font-size: 15px;
}

.btn--primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn--primary:hover {
  background: #e5e5e5;
  border-color: #e5e5e5;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn--block {
  width: 100%;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: auto;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.footer__brand img {
  width: 22px;
  height: 22px;
}

.footer__copy {
  font-size: 13px;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__link {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.15s;
}

.footer__link:hover {
  color: var(--text);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__link {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav__link:last-child {
    border-bottom: none;
  }

  .nav__actions .btn--ghost {
    display: none;
  }
}