.c5-bridge {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  visibility: hidden;
  will-change: transform;
}

.c5-bridge.is-visible {
  transform: translateY(0);
  visibility: visible;
}

@media (prefers-reduced-motion: reduce) {
  .c5-bridge {
    transition: none;
  }
}

.c5-bridge__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.c5-bridge__copy {
  flex: 1 1 auto;
  min-width: 0;
}

.c5-bridge__title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--text);
  margin: 0 0 2px;
  line-height: 1.3;
}

.c5-bridge__sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.45;
}

.c5-bridge__form {
  flex: 0 1 auto;
  min-width: 280px;
}

.c5-bridge__dismiss {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.c5-bridge__dismiss:hover {
  color: var(--text);
  border-color: var(--arc);
}

.c5-bridge__dismiss:focus-visible {
  outline: 2px solid var(--arc);
  outline-offset: 2px;
}

.c5-signup-form--bridge-bar {
  width: 100%;
}

.c5-signup-form--bridge-bar .c5-signup-form__row {
  flex-wrap: nowrap;
  gap: 8px;
}

.c5-signup-form--bridge-bar .c5-signup-form__email {
  min-width: 0;
}

.c5-signup-form--bridge-bar .c5-signup-form__submit {
  padding: 13px 22px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

@media (max-width: 767px) {
  .c5-bridge {
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.55);
  }

  .c5-bridge__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 10px 18px 20px;
    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  }

  .c5-bridge__inner::before {
    content: '';
    align-self: center;
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    margin-bottom: 4px;
  }

  .c5-bridge__form {
    min-width: 0;
    width: 100%;
  }

  .c5-bridge__dismiss {
    position: absolute;
    top: 8px;
    right: 12px;
    border-color: transparent;
  }

  .c5-bridge__copy {
    padding-right: 48px;
  }
}