/* Contacts — Convergence scene (graphite / cyan / ivory spatial plane).
   Scene-specific layout only; shared .field / .contact-form tokens stay intact. */

.page-contacts {
  overflow-x: hidden;
}

.convergence {
  position: relative;
  z-index: 1;
  isolation: isolate;
  min-height: calc(100svh - var(--nav-h));
  padding-block: clamp(2.25rem, 7vh, 4.75rem) clamp(2.5rem, 8vh, 5rem);
  border-bottom: 1px solid var(--color-border-subtle);
}

.convergence__atmosphere {
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.convergence__beam {
  --convergence-beam-angle: 0deg;
  position: absolute;
  display: block;
  width: min(42vw, 28rem);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    color-mix(in srgb, var(--color-accent) 55%, transparent),
    transparent
  );
  opacity: 0.55;
  transform-origin: left center;
}

.convergence__beam--a {
  --convergence-beam-angle: 12deg;
  top: 18%;
  left: 8%;
  transform: rotate(var(--convergence-beam-angle));
  animation: convergence-beam 14s var(--ease-out) infinite alternate;
}

.convergence__beam--b {
  --convergence-beam-angle: -8deg;
  top: 62%;
  right: 4%;
  left: auto;
  transform: rotate(var(--convergence-beam-angle));
  animation: convergence-beam 18s var(--ease-out) infinite alternate-reverse;
}

.convergence__node {
  position: absolute;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-accent) 35%, transparent);
  opacity: 0.7;
}

.convergence__node--1 {
  top: 22%;
  left: 14%;
  animation: convergence-pulse 5.5s var(--ease-out) infinite;
}

.convergence__node--2 {
  top: 48%;
  right: 18%;
  animation: convergence-pulse 7s var(--ease-out) 0.8s infinite;
}

.convergence__node--3 {
  bottom: 18%;
  left: 38%;
  animation: convergence-pulse 6.2s var(--ease-out) 1.4s infinite;
}

.convergence__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 5vh, 3.25rem);
}

.convergence__approach {
  max-width: min(40rem, 100%);
}

.convergence__title {
  margin: 0 0 clamp(0.85rem, 2vh, 1.25rem);
  font-size: clamp(1.85rem, 4.2vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--color-text-primary);
  text-wrap: pretty;
}

.convergence__lead {
  max-width: 48ch;
  color: var(--color-text-secondary);
}

.convergence__channel {
  margin: clamp(1rem, 2.2vh, 1.5rem) 0 0;
  max-width: 52ch;
  padding: var(--space-4) 0 0;
  border-top: 1px solid var(--color-border-strong);
  font-size: var(--fs-body-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.convergence__stage {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(15rem, 0.72fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-contacts .convergence__form.contact-form {
  position: relative;
  background:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--color-surface-elevated) 92%, var(--color-accent) 8%),
      var(--color-surface-elevated) 42%,
      var(--color-surface)
    );
  border-color: var(--color-border-strong);
  box-shadow:
    var(--inner-highlight),
    0 0 0 1px color-mix(in srgb, var(--color-accent) 12%, transparent);
}

.page-contacts .convergence__form.contact-form::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-accent),
    transparent
  );
  opacity: 0.55;
  pointer-events: none;
}

.convergence__rail {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: sticky;
  top: calc(var(--nav-h) + var(--space-4));
}

.convergence__rail-block {
  padding: clamp(1.1rem, 2.5vw, 1.5rem);
  border: 1px solid var(--color-border-strong);
  background: color-mix(in srgb, var(--color-surface) 78%, transparent);
  color: var(--color-text-primary);
}

.convergence__rail-block--muted {
  border-style: dashed;
  border-color: var(--color-border-subtle);
  background: transparent;
}

.convergence__rail-title {
  margin: 0 0 var(--space-3);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}

.convergence__rail-body {
  margin: 0 0 var(--space-4);
  font-size: var(--fs-body-sm);
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.convergence__rail-block--muted .convergence__rail-body {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.convergence__rail .btn {
  min-height: 44px;
}

.page-contacts .contact-form__status.is-loading {
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 28%, transparent);
  color: var(--color-text-secondary);
}

.page-contacts .contact-form__status.is-validation,
.page-contacts .contact-form__status.is-rate-limit,
.page-contacts .contact-form__status.is-unavailable,
.page-contacts .contact-form__status.is-error {
  background: color-mix(in srgb, var(--color-warning) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-warning) 32%, transparent);
  color: var(--color-warning);
}

.page-contacts .contact-form__status.is-unavailable {
  background: color-mix(in srgb, var(--color-error) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-error) 28%, transparent);
  color: var(--color-error);
}

.page-contacts .field__input:focus-visible,
.page-contacts .btn:focus-visible,
.page-contacts .convergence__rail a:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 3px;
}

@keyframes convergence-beam {
  from {
    opacity: 0.28;
    transform: rotate(var(--convergence-beam-angle)) translateX(-2%);
  }
  to {
    opacity: 0.7;
    transform: rotate(var(--convergence-beam-angle)) translateX(4%);
  }
}

@keyframes convergence-pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(1);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.35);
  }
}

@media (max-width: 1024px) {
  .convergence__stage {
    grid-template-columns: 1fr;
  }

  .convergence__rail {
    position: static;
  }
}

@media (max-width: 640px) {
  .convergence {
    padding-block: 1.75rem 2.5rem;
  }

  .convergence__title {
    max-width: 14ch;
  }
}

/* Narrow phones — keep composition readable at 320px+ */
@media (max-width: 320px) {
  .convergence__inner {
    gap: 1.5rem;
  }

  .page-contacts .convergence__form.contact-form {
    padding: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .convergence__beam,
  .convergence__node {
    animation: none;
  }

  .page-contacts .contact-form__status {
    transition: none;
  }
}