/* =================================================================
   KNOCKOUT REGISTRATION DEMO MODAL
   Interactive comparison of knockout vs overprint registration.
   Used on Mars sample to illustrate why overprint is the safer choice
   for foil placement against printed artwork.
   ================================================================= */

/* =================================================================
   TRIGGER CARD
   ================================================================= */

.knockout-card {
  float: right;
  clear: right;
  max-width: 280px;
  margin: 0 0 15px 20px;
}

@media (max-width: 600px) {
  .knockout-card {
    float: none;
    max-width: 100%;
    margin: 20px auto;
  }
}

.knockout-card__trigger {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  text-align: left;
  text-decoration: none;
  background: #f0f2f5;
  border: 1px solid #ddd;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.knockout-card__trigger:hover {
  background: #e8eaed;
  border-color: #ccc;
  transform: translateY(-2px);
}

.knockout-card__thumbnail {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #022662;
  aspect-ratio: 16 / 9;
}

.knockout-card__thumbnail img {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease, filter 0.3s ease;
  object-fit: cover;
}

.knockout-card__trigger:hover .knockout-card__thumbnail img {
  filter: brightness(0.7);
  transform: scale(1.05);
}

.knockout-card__overlay {
  position: absolute;
  background: rgb(0, 0, 0, 0.3);
  transition: background 0.3s ease;
  inset: 0;
}

.knockout-card__trigger:hover .knockout-card__overlay {
  background: rgb(2, 38, 98, 0.6);
}

.knockout-card__icon {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #ffd700, #cd9b1d);
  border-radius: 50%;
  box-shadow: 0 0 15px rgb(255, 215, 0, 0.5);
  transform: translate(-50%, -50%) scale(1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.knockout-card__icon svg {
  width: 20px;
  height: 20px;
  color: #fff;
}

.knockout-card__trigger:hover .knockout-card__icon {
  box-shadow:
    0 0 25px rgb(255, 215, 0, 0.8),
    0 0 40px rgb(205, 155, 29, 0.5);
  transform: translate(-50%, -50%) scale(1.1);
}

.knockout-card__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
}

.knockout-card__label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #888;
}

.knockout-card__title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: #022662;
}

/* =================================================================
   MODAL CONTAINER
   ================================================================= */

.knockout-modal {
  position: fixed;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  inset: 0;
}

.knockout-modal.active {
  opacity: 1;
  visibility: visible;
}

.knockout-modal__backdrop {
  position: absolute;
  background: rgb(2, 38, 98, 0.95);
  inset: 0;
}

.knockout-modal__content {
  position: relative;
  width: 90%;
  max-width: 900px;
  opacity: 0;
  transform: scale(0.8) translateY(30px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.knockout-modal.active .knockout-modal__content {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.knockout-modal__close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 36px;
  height: 36px;
  font-size: 32px;
  color: #fff;
  background: transparent;
  border: none;
  opacity: 0.7;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.knockout-modal__close:hover {
  opacity: 1;
}

.knockout-modal__hint {
  margin-bottom: 20px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  text-align: center;
  color: #fff;
  background: linear-gradient(90deg, rgb(255, 215, 0, 0.2), rgb(205, 155, 29, 0.2));
  border: 1px solid rgb(255, 215, 0, 0.3);
  border-radius: 20px;
}

/* =================================================================
   COMPARISON DEMO (knockout vs overprint, side-by-side)
   ================================================================= */

.knockout-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 700px) {
  .knockout-demo {
    grid-template-columns: 1fr;
  }
}

.knockout-demo__panel {
  padding: 15px;
  text-align: center;
  background: rgb(255, 255, 255, 0.05);
  border-radius: 8px;
}

.knockout-demo__panel--knockout {
  border: 1px solid rgb(220, 53, 69, 0.4);
}

.knockout-demo__panel--overprint {
  border: 1px solid rgb(40, 167, 69, 0.4);
}

.knockout-demo__label {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
  margin-bottom: 12px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.knockout-demo__panel--knockout .knockout-demo__label {
  color: #ff6b6b;
}

.knockout-demo__panel--overprint .knockout-demo__label {
  color: #51cf66;
}

.knockout-demo__viewport {
  position: relative;
  display: inline-block;
  overflow: hidden;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgb(0, 0, 0, 0.3);
}

.knockout-demo__layer {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Base layer - provides sizing reference */
.knockout-demo__layer--base {
  position: relative;
  opacity: 1;
}

/* Hidden base - just for sizing, not visible */
.knockout-demo__layer--hidden {
  opacity: 0;
}

/* CMYK layer for overprint panel - full artwork */
.knockout-demo__layer--cmyk {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* CMYK with knockout - masked to remove foil areas
   Uses mask-composite to punch holes where foil goes */
.knockout-demo__layer--cmyk-knockout {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  mask-composite: exclude;

  /* Two masks: foil shape + full coverage, combined with exclude to punch holes */
  mask-image: url('/assets/mars/foil.webp'), linear-gradient(#000, #000);
  mask-position: center, center;
  mask-repeat: no-repeat, no-repeat;
  mask-size: contain, 100% 100%;
}

/* Foil layer - hidden but used for mask reference */
.knockout-demo__layer--foil-ref {
  position: relative;
  opacity: 0;
}

/* Gold chrome sweep effect on foil */
.knockout-demo__viewport::before {
  position: absolute;
  z-index: 10;
  background: linear-gradient(
    120deg,
    #8b6914 0%,
    #cd9b1d 15%,
    #ffd700 30%,
    #ffec8b 45%,
    #fff8dc 50%,
    #ffec8b 55%,
    #ffd700 70%,
    #cd9b1d 85%,
    #8b6914 100%
  );
  background-size: 300% 100%;
  animation:
    gold-chrome-sweep 3s ease-in-out infinite,
    registration-drift 5s ease-in-out infinite;
  content: '';
  inset: 0;
  mask-image: url('/assets/mars/foil.webp');
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  pointer-events: none;
}

@keyframes gold-chrome-sweep {
  0%,
  100% {
    background-position: 100% 0;
  }

  50% {
    background-position: 0% 0;
  }
}

@keyframes registration-drift {
  0%,
  100% {
    transform: translate(0, 0);
  }

  25% {
    transform: translate(5px, 3px);
  }

  50% {
    transform: translate(-3px, 5px);
  }

  75% {
    transform: translate(4px, -4px);
  }
}

.knockout-demo__description {
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  color: rgb(255, 255, 255, 0.7);
}

.knockout-modal__caption {
  margin-top: 20px;
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-align: center;
  color: rgb(255, 255, 255, 0.6);
}