:root {
  --arch-ink: #0f1412;
  --arch-surface: #101513;
  --arch-accent: #3db487;
  --arch-accent-bright: #86f8c6;
  --arch-text: #f3f0f1;
  --arch-muted: rgba(200, 198, 199, 0.85);
}

.arch-cta {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  background: var(--arch-surface);
  color: var(--arch-text);
  border: 1px solid rgba(61, 180, 135, 0.28);
  box-shadow: 0 24px 60px rgba(6, 18, 14, 0.35);
}

.arch-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(61, 180, 135, 0.22) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.25;
  pointer-events: none;
}

.arch-cta::after {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 140%;
  background-image:
    radial-gradient(60% 60% at 15% 20%, rgba(134, 248, 198, 0.35), transparent 60%),
    radial-gradient(50% 50% at 90% 10%, rgba(61, 180, 135, 0.3), transparent 65%),
    linear-gradient(120deg, transparent 0%, rgba(61, 180, 135, 0.12) 45%, transparent 70%);
  opacity: 0.8;
  pointer-events: none;
}

.arch-cta-inner {
  position: relative;
  z-index: 1;
}

.arch-cta-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 0.95;
  text-transform: uppercase;
  font-size: clamp(2.5rem, 6vw, 4.75rem);
}

.arch-cta-accent {
  color: var(--arch-accent);
}

.arch-cta-lead {
  color: var(--arch-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
}

.arch-cta-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.arch-cta-input {
  flex: 1;
  background: transparent;
  border: 0;
  border-bottom: 2px solid rgba(243, 240, 241, 0.3);
  padding: 1rem 0.5rem;
  color: var(--arch-text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.arch-cta-input::placeholder {
  color: rgba(200, 198, 199, 0.6);
}

.arch-cta-input:focus {
  outline: none;
  border-bottom-color: var(--arch-accent-bright);
}

.arch-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

.arch-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--arch-accent);
  color: #052016;
  padding: 1rem 2.5rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border-radius: 0.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.arch-cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 48px rgba(61, 180, 135, 0.22);
  background: var(--arch-accent-bright);
}

.arch-cta-button--ghost {
  background: transparent;
  color: var(--arch-text);
  border: 1px solid rgba(243, 240, 241, 0.35);
  box-shadow: none;
}

.arch-cta-button--ghost:hover {
  background: rgba(243, 240, 241, 0.08);
  color: var(--arch-text);
  box-shadow: none;
}

@media (min-width: 768px) {
  .arch-cta-form {
    flex-direction: row;
  }
  .arch-cta-actions {
    flex-direction: row;
  }
}