.section {
  opacity: 0.86;
  transform: translateY(0) scale(1);
  filter: none;
  transition: opacity 1600ms var(--ease-flow);
}

.section.is-active {
  display: grid;
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.reveal-item,
.reveal-container {
  --reveal-delay: 0ms;
  opacity: 0;
  transform: translateY(46px) scale(0.975);
  filter: blur(10px);
  transition:
    opacity 1550ms var(--ease-flow),
    transform 1550ms var(--ease-flow),
    filter 1550ms var(--ease-flow);
  transition-delay: var(--reveal-delay);
}

.reveal-container {
  --reveal-delay: 360ms;
}

.section.is-active .reveal-item,
.section.is-active .reveal-container {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.section.is-scroll-down:not(.is-active) .reveal-item,
.section.is-scroll-down:not(.is-active) .reveal-container {
  opacity: 0;
  transform: translateY(-38px) scale(0.975);
  filter: blur(12px);
}

.section.is-scroll-up:not(.is-active) .reveal-item,
.section.is-scroll-up:not(.is-active) .reveal-container {
  opacity: 0;
  transform: translateY(38px) scale(0.975);
  filter: blur(12px);
}

.section-inner > .reveal-item:nth-child(1),
.section-heading > .reveal-item:nth-child(1) {
  --reveal-delay: 0ms;
}

.section-inner > .reveal-item:nth-child(2),
.section-heading > .reveal-item:nth-child(2) {
  --reveal-delay: 170ms;
}

.section-inner > .reveal-item:nth-child(3),
.section-heading > .reveal-item:nth-child(3) {
  --reveal-delay: 340ms;
}

.section-inner > .reveal-item:nth-child(4) {
  --reveal-delay: 510ms;
}

.section-inner > .reveal-item:nth-child(5) {
  --reveal-delay: 680ms;
}

.portfolio-grid .reveal-item:nth-child(1),
.collaboration-grid .reveal-item:nth-child(1),
.workflow-steps .reveal-item:nth-child(1) {
  --reveal-delay: 540ms;
}

.portfolio-grid .reveal-item:nth-child(2),
.collaboration-grid .reveal-item:nth-child(2),
.workflow-steps .reveal-item:nth-child(2) {
  --reveal-delay: 720ms;
}

.portfolio-grid .reveal-item:nth-child(3),
.collaboration-grid .reveal-item:nth-child(3),
.workflow-steps .reveal-item:nth-child(3) {
  --reveal-delay: 900ms;
}

.contact-cta.reveal-item {
  --reveal-delay: 620ms;
}

.portfolio-grid.reveal-container,
.collaboration-grid.reveal-container,
.workflow-steps.reveal-container {
  --reveal-delay: 420ms;
}

.section.is-scroll-up .section-inner > .reveal-item:nth-child(1),
.section.is-scroll-up .section-heading > .reveal-item:nth-child(1) {
  --reveal-delay: 680ms;
}

.section.is-scroll-up .section-inner > .reveal-item:nth-child(2),
.section.is-scroll-up .section-heading > .reveal-item:nth-child(2) {
  --reveal-delay: 510ms;
}

.section.is-scroll-up .section-inner > .reveal-item:nth-child(3),
.section.is-scroll-up .section-heading > .reveal-item:nth-child(3) {
  --reveal-delay: 260ms;
}

.section.is-scroll-up .section-inner > .reveal-item:nth-child(4) {
  --reveal-delay: 170ms;
}

.section.is-scroll-up .section-inner > .reveal-item:nth-child(5) {
  --reveal-delay: 0ms;
}

.section.is-scroll-up .portfolio-grid .reveal-item:nth-child(1),
.section.is-scroll-up .collaboration-grid .reveal-item:nth-child(1),
.section.is-scroll-up .workflow-steps .reveal-item:nth-child(1) {
  --reveal-delay: 900ms;
}

.section.is-scroll-up .portfolio-grid .reveal-item:nth-child(2),
.section.is-scroll-up .collaboration-grid .reveal-item:nth-child(2),
.section.is-scroll-up .workflow-steps .reveal-item:nth-child(2) {
  --reveal-delay: 720ms;
}

.section.is-scroll-up .portfolio-grid .reveal-item:nth-child(3),
.section.is-scroll-up .collaboration-grid .reveal-item:nth-child(3),
.section.is-scroll-up .workflow-steps .reveal-item:nth-child(3) {
  --reveal-delay: 540ms;
}

.section.is-scroll-up .contact-cta.reveal-item {
  --reveal-delay: 0ms;
}

.section.is-scroll-up .portfolio-grid.reveal-container,
.section.is-scroll-up .collaboration-grid.reveal-container,
.section.is-scroll-up .workflow-steps.reveal-container {
  --reveal-delay: 120ms;
}

.questionnaire-modal,
.case-study-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background:
    radial-gradient(circle at 50% 100%, rgba(0, 102, 255, 0.24), transparent 20rem),
    rgba(5, 5, 5, 0.94);
  backdrop-filter: blur(22px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.985);
  transition:
    opacity 540ms var(--ease-flow),
    transform 540ms var(--ease-flow),
    visibility 0ms linear 540ms;
}

.questionnaire-modal.is-open,
.case-study-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
  transition:
    opacity 540ms var(--ease-flow),
    transform 540ms var(--ease-flow),
    visibility 0ms linear 0ms;
}

.questionnaire-modal.is-closing,
.case-study-modal.is-closing {
  opacity: 0;
  visibility: visible;
  pointer-events: none;
  transform: scale(0.985);
  transition:
    opacity 780ms var(--ease-flow),
    transform 780ms var(--ease-flow),
    visibility 0ms linear 780ms;
}

.questionnaire-modal iframe,
.case-study-modal iframe {
  display: none;
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(22px) scale(0.985);
  filter: blur(14px);
}

.questionnaire-modal.is-open iframe,
.case-study-modal.is-open iframe {
  display: block;
  animation: formReveal 760ms 80ms var(--ease-flow) both;
  pointer-events: auto;
}

.questionnaire-modal.is-closing iframe,
.case-study-modal.is-closing iframe {
  display: block;
  animation: formDismiss 760ms var(--ease-flow) both;
  pointer-events: none;
}

.modal-close {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 2;
  min-height: 42px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.76);
  color: #fff;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-8px);
}

.questionnaire-modal.is-open .modal-close,
.case-study-modal.is-open .modal-close {
  animation: flowIn 520ms 340ms var(--ease-flow) both;
}

.questionnaire-modal.is-closing .modal-close,
.case-study-modal.is-closing .modal-close {
  animation: flowOut 520ms var(--ease-flow) both;
}

.modal-lock {
  overflow: hidden;
}

@keyframes formReveal {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.985);
    filter: blur(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes flowIn {
  from {
    opacity: 0;
    transform: translateY(14px);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes formDismiss {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
  to {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
    filter: blur(12px);
  }
}

@keyframes flowOut {
  from {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
  to {
    opacity: 0;
    transform: translateY(-10px);
    filter: blur(8px);
  }
}

@keyframes heroAurora {
  0% {
    background-position:
      0% 50%,
      100% 30%,
      50% 80%,
      0 0;
  }
  25% {
    background-position:
      30% 60%,
      70% 50%,
      30% 60%,
      0 0;
  }
  50% {
    background-position:
      60% 40%,
      40% 70%,
      70% 40%,
      0 0;
  }
  75% {
    background-position:
      30% 70%,
      60% 40%,
      40% 70%,
      0 0;
  }
  100% {
    background-position:
      0% 50%,
      100% 30%,
      50% 80%,
      0 0;
  }
}

@keyframes heroSoftFlow {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.58;
  }
  33% {
    transform: translate3d(3%, -2%, 0) scale(1.06);
    opacity: 0.72;
  }
  66% {
    transform: translate3d(-2%, 3%, 0) scale(1.03);
    opacity: 0.64;
  }
}

@keyframes ambientGlow {
  0%, 100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate3d(-3%, -2%, 0) scale(1.08);
    opacity: 1;
  }
}

@keyframes contactSweep {
  0%, 100% {
    background-position: -50% 0;
  }
  50% {
    background-position: 150% 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .questionnaire-modal.is-open iframe,
  .case-study-modal.is-open iframe,
  .questionnaire-modal.is-open .modal-close,
  .case-study-modal.is-open .modal-close {
    opacity: 1;
    transform: none;
    filter: none;
  }
}