#contact { position: relative; overflow: clip; isolation: isolate; }
#contact::before,
#contact::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(36px);
}
#contact::before {
  top: -12%;
  right: -8%;
  width: min(62vw, 760px);
  aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(60, 110, 235, 0.24), transparent 72%);
  animation: auroraA 24s ease-in-out infinite alternate;
}
#contact::after {
  bottom: -18%;
  left: -10%;
  width: min(54vw, 640px);
  aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(40, 90, 210, 0.2), transparent 72%);
  animation: auroraB 30s ease-in-out infinite alternate;
}
@keyframes auroraA { from { transform: translate(0, 0) scale(1); } to { transform: translate(-6%, 8%) scale(1.15); } }
@keyframes auroraB { from { transform: translate(0, 0) scale(1.05); } to { transform: translate(8%, -6%) scale(0.92); } }

.form { position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(20, 32, 64, 0.55), rgba(10, 15, 30, 0.7)); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.form::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  background: conic-gradient(from var(--bangle, 0deg), transparent 0 62%, rgba(130, 180, 255, 0.35) 78%, #cfe0ff 90%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  opacity: 0.4;
  animation: borderSpin 8s linear infinite;
  transition: opacity 0.4s var(--ease);
}
.form:focus-within::after { opacity: 1; animation-duration: 3.2s; }
.form.is-shaking { animation: formShake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97); }
@keyframes formShake { 10%, 90% { translate: -2px 0; } 20%, 80% { translate: 4px 0; } 30%, 50%, 70% { translate: -6px 0; } 40%, 60% { translate: 6px 0; } }

.field label { transition: color 0.3s var(--ease); }
.field:focus-within label,
.field.is-filled label { color: #cfe0ff; }
.field input,
.field select,
.field textarea { transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background-color 0.3s var(--ease); }
.field input:focus,
.field select:focus,
.field textarea:focus { background-color: rgba(10, 18, 40, 0.9); box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.2), 0 0 24px -6px rgba(79, 140, 255, 0.6); }
.field.is-invalid input,
.field.is-invalid textarea { border-color: var(--color-danger); box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.12); }
.field input:not(:placeholder-shown):invalid,
.field textarea:not(:placeholder-shown):invalid { border-color: var(--color-border-strong); }
.field.is-invalid input:not(:placeholder-shown):invalid,
.field.is-invalid textarea:not(:placeholder-shown):invalid { border-color: var(--color-danger); }
.field__error { display: block; min-height: 0; font-size: 0.78rem; line-height: 1.4; color: #ff9b9b; }
.field__error:not(:empty) { animation: errIn 0.3s var(--ease); }
@keyframes errIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

.form__submit { position: relative; overflow: hidden; }
.form__spinner {
  display: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  animation: pvSpin 0.8s linear infinite;
}
.form__submit.is-loading .form__spinner { display: inline-block; }
.form__submit.is-loading .arrow { display: none; }
.form__submit:disabled { cursor: progress; opacity: 0.9; }

.form__status {
  display: grid;
  gap: 0.5rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-strong);
  background: rgba(10, 18, 40, 0.7);
  animation: errIn 0.4s var(--ease);
}
.form__status[hidden] { display: none; }
.form__status strong { font-family: var(--font-display); font-size: var(--fs-md); }
.form__status p { font-size: var(--fs-sm); line-height: 1.55; color: var(--color-text-muted); }
.form__status.is-info { border-color: rgba(120, 170, 255, 0.5); box-shadow: 0 0 30px -14px rgba(79, 140, 255, 0.7); }
.form__status.is-info strong { color: #9fc4ff; }
.form__status.is-success { border-color: rgba(55, 211, 153, 0.5); background: rgba(10, 36, 28, 0.6); }
.form__status.is-success strong { color: var(--color-success); }
.form__status.is-error { border-color: rgba(255, 107, 107, 0.5); background: rgba(40, 14, 18, 0.6); }
.form__status.is-error strong { color: #ff9b9b; }
.form__actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.3rem; }
.form__action {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 1.1rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: #eaf1ff;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid rgba(120, 170, 255, 0.6);
  background: linear-gradient(180deg, rgba(79, 140, 255, 0.3), rgba(13, 27, 51, 0.55));
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.form__action:hover { transform: translateY(-2px); border-color: #b4ceff; box-shadow: 0 0 26px -6px rgba(110, 163, 255, 0.9); }
.form__action--ghost { background: transparent; }

@media (prefers-reduced-motion: reduce) {
  #contact::before, #contact::after, .form::after { animation: none; }
  .form.is-shaking { animation: none; }
  .form__spinner { animation: none; }
}

/* ---------- "Project brief" contact experience ---------- */
.contact__grid { align-items: start; }

.cflow { list-style: none; margin: var(--space-6) 0; padding: 0; display: grid; }
.cflow__step { position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 1rem; padding-bottom: 1.5rem; }
.cflow__step:last-child { padding-bottom: 0; }
.cflow__step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, rgba(110, 163, 255, 0.6), rgba(110, 163, 255, 0.06));
}
.cflow__node {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(120, 170, 255, 0.45);
  background: radial-gradient(circle at 30% 25%, rgba(110, 163, 255, 0.3), rgba(10, 18, 40, 0.92));
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: #cfe0ff;
  box-shadow: 0 0 22px -8px rgba(79, 140, 255, 0.75);
  transition: box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.cflow__step:hover .cflow__node { border-color: #b4ceff; box-shadow: 0 0 28px -4px rgba(110, 163, 255, 0.9); }
.cflow__step strong { display: block; margin-bottom: 0.15rem; font-family: var(--font-display); font-size: var(--fs-md); color: var(--color-text); }
.cflow__step div span { display: block; font-size: var(--fs-sm); line-height: 1.55; color: var(--color-text-muted); }

.form.brief { padding: 0; gap: 0; border-radius: var(--radius-lg); }
.brief::before {
  content: "";
  position: absolute;
  inset: 9px;
  z-index: 3;
  pointer-events: none;
  opacity: 0.5;
  background:
    linear-gradient(#6ea3ff, #6ea3ff) left top / 14px 1px no-repeat,
    linear-gradient(#6ea3ff, #6ea3ff) left top / 1px 14px no-repeat,
    linear-gradient(#6ea3ff, #6ea3ff) right top / 14px 1px no-repeat,
    linear-gradient(#6ea3ff, #6ea3ff) right top / 1px 14px no-repeat,
    linear-gradient(#6ea3ff, #6ea3ff) left bottom / 14px 1px no-repeat,
    linear-gradient(#6ea3ff, #6ea3ff) left bottom / 1px 14px no-repeat,
    linear-gradient(#6ea3ff, #6ea3ff) right bottom / 14px 1px no-repeat,
    linear-gradient(#6ea3ff, #6ea3ff) right bottom / 1px 14px no-repeat;
}
.brief__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.6rem;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(79, 140, 255, 0.09), transparent);
}
.brief__tag { display: inline-flex; align-items: center; gap: 0.65rem; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: #9fc4ff; }
.brief__led { width: 8px; height: 8px; border-radius: 50%; background: var(--color-success); animation: ledPulse 2.4s ease-out infinite; }
@keyframes ledPulse {
  0% { box-shadow: 0 0 0 0 rgba(55, 211, 153, 0.5), 0 0 10px rgba(55, 211, 153, 0.8); }
  70% { box-shadow: 0 0 0 8px rgba(55, 211, 153, 0), 0 0 10px rgba(55, 211, 153, 0.8); }
  100% { box-shadow: 0 0 0 0 rgba(55, 211, 153, 0), 0 0 10px rgba(55, 211, 153, 0.8); }
}
.brief__meter { display: inline-flex; align-items: center; gap: 0.7rem; font-size: 0.74rem; color: var(--color-text-faint); font-variant-numeric: tabular-nums; }
.brief__bars { display: inline-flex; gap: 4px; }
.brief__bars i { width: 22px; height: 4px; border-radius: 2px; background: rgba(140, 170, 220, 0.2); transition: background-color 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.brief__bars i.is-on { background: linear-gradient(90deg, #4f8cff, #6ea3ff); box-shadow: 0 0 10px rgba(79, 140, 255, 0.8); }

.brief__body { display: grid; gap: var(--space-5); padding: var(--space-6) 1.6rem 1.6rem; }
.brief__body[hidden], .brief__done[hidden] { display: none; }

.select { position: relative; }
.select select { width: 100%; appearance: none; -webkit-appearance: none; padding-right: 2.8rem; cursor: pointer; }
.select select:invalid { color: var(--color-text-faint); }
.select select option { background: #0e1424; color: #e9edf6; }
.select::after {
  content: "";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid #8fb4ff;
  border-bottom: 2px solid #8fb4ff;
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
  transition: transform 0.3s var(--ease);
}
.select:focus-within::after { transform: translateY(-30%) rotate(225deg); }

.field textarea { min-height: 11.5rem; line-height: 1.6; resize: vertical; }
.field .hint { margin-top: -0.1rem; }
.counter { text-align: right; font-size: 0.74rem; color: var(--color-text-faint); font-variant-numeric: tabular-nums; }
.counter:empty { display: none; }
.counter.is-near { color: #ffc46b; }
.field.is-invalid select { border-color: var(--color-danger); box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.12); }

.turnstile { min-height: 65px; }

.form__submit { min-height: 54px; font-size: 1rem; box-shadow: 0 10px 30px -10px rgba(79, 140, 255, 0.75), inset 0 0 0 1px rgba(160, 200, 255, 0.25); transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), filter 0.3s var(--ease); }
.form__submit:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 16px 42px -10px rgba(79, 140, 255, 0.95), 0 0 36px -4px rgba(110, 163, 255, 0.65), inset 0 0 0 1px rgba(190, 215, 255, 0.45); }
.form__submit:active:not(:disabled) { transform: scale(0.99); }
.form__submit .arrow { transition: transform 0.3s var(--ease); }
.form__submit:hover:not(:disabled) .arrow { transform: translateX(4px); }
.form__submit.is-loading { animation: btnGlow 1.6s ease-in-out infinite; }
@keyframes btnGlow { 50% { box-shadow: 0 12px 40px -8px rgba(110, 163, 255, 1), 0 0 44px 0 rgba(110, 163, 255, 0.7); } }
.form__note a { color: var(--color-accent-bright); }

.brief__done { display: grid; justify-items: center; gap: 0.9rem; padding: var(--space-8) var(--space-6); text-align: center; outline: none; animation: errIn 0.5s var(--ease); }
.brief__check { width: 84px; height: 84px; color: var(--color-success); filter: drop-shadow(0 0 18px rgba(55, 211, 153, 0.5)); }
.brief__check circle { stroke-dasharray: 151; stroke-dashoffset: 151; animation: checkDraw 0.8s var(--ease) 0.1s forwards; }
.brief__check path { stroke-dasharray: 40; stroke-dashoffset: 40; animation: checkDraw 0.5s var(--ease) 0.7s forwards; }
@keyframes checkDraw { to { stroke-dashoffset: 0; } }
.brief__done h3 { font-size: var(--fs-xl); }
.brief__done p { max-width: 40ch; color: var(--color-text-muted); line-height: 1.6; }
.brief.is-done::after { opacity: 0.9; }

@media (max-width: 680px) {
  .brief__head { padding: 0.9rem 1.1rem; }
  .brief__body { padding: var(--space-5) 1.1rem 1.2rem; }
  .brief__bars i { width: 16px; }
  .brief__done { padding: var(--space-7) var(--space-5); }
}
@media (prefers-reduced-motion: reduce) {
  .brief__led, .form__submit.is-loading { animation: none; }
  .brief__check circle, .brief__check path { animation: none; stroke-dashoffset: 0; }
}