/**
 * Cut n'Coat - Portfolio Design Premium v3.0
 * Estilos únicos e modernos para o portfólio
 */

/* ===========================
   HERO PREMIUM
   =========================== */
.portfolio-hero {
  background: var(--gradient-hero);
  color: var(--color-white);
  padding: 140px 0 var(--spacing-20);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.portfolio-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: patternMove 30s linear infinite;
}

.portfolio-hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  margin-bottom: var(--spacing-6);
  color: var(--color-white);
  letter-spacing: -0.02em;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  animation: slideUp 1s ease-out;
}

.portfolio-hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.4rem);
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.95;
  animation: slideUp 1s ease-out 0.2s backwards;
}

/* ===========================
   FILTROS PREMIUM
   =========================== */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-16);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-4) var(--spacing-8);
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-gray-700);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: var(--gradient-primary);
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
  z-index: -1;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.filter-btn:hover::before {
  width: 250px;
  height: 250px;
}

.filter-btn--active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* ===========================
   GRID PREMIUM
   =========================== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-10);
}

/* ===========================
   ITEM PREMIUM
   =========================== */
.portfolio-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background-color: var(--color-white);
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 2px solid transparent;
}

.portfolio-item:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: var(--shadow-strong);
  border-color: rgba(102, 126, 234, 0.3);
}

.portfolio-item__image {
  position: relative;
  width: 100%;
  padding-bottom: 75%;
  overflow: hidden;
}

.portfolio-item__image img,
.portfolio-item__image video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.portfolio-item:hover .portfolio-item__image img,
.portfolio-item:hover .portfolio-item__image video {
  transform: scale(1.15);
}

.portfolio-item__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to top,
    rgba(102, 126, 234, 0.95) 0%,
    rgba(118, 75, 162, 0.8) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-8);
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__info {
  color: var(--color-white);
  transform: translateY(20px);
  transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-item__info {
  transform: translateY(0);
}

.portfolio-item__category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-2);
  opacity: 0.9;
}

.portfolio-item__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

.portfolio-item__video-indicator {
  display: inline-block;
  margin-top: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-5);
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Hidden state */
.portfolio-item__hidden {
  display: none !important;
}

/* ===========================
   MODAL PREMIUM
   =========================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

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

.modal__container {
  max-width: 1200px;
  width: 100%;
  max-height: 90vh;
  position: relative;
}

.modal__close {
  position: absolute;
  top: -60px;
  right: 0;
  width: 50px;
  height: 50px;
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-medium);
}

.modal__close:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: rotate(90deg) scale(1.1);
  box-shadow: var(--shadow-glow);
}

.modal__img {
  width: 100%;
  height: auto;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
}

.modal__video {
  width: 100%;
  height: auto;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
}

.modal__info {
  text-align: center;
  margin-top: var(--spacing-8);
  color: var(--color-white);
}

.modal__title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--spacing-3);
  color: var(--color-white);
}

.modal__category {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 55px;
  height: 55px;
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-medium);
  z-index: 10;
}

.modal__nav:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-glow);
}

.modal__nav--prev {
  left: -80px;
}

.modal__nav--next {
  right: -80px;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 767px) {
  .portfolio-hero {
    padding: 120px 0 var(--spacing-16);
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
  }

  .portfolio-filters {
    gap: var(--spacing-3);
  }

  .filter-btn {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: 0.75rem;
  }

  .modal {
    padding: var(--spacing-4);
  }

  .modal__close {
    top: -50px;
    right: var(--spacing-2);
    width: 45px;
    height: 45px;
  }

  .modal__nav {
    width: 45px;
    height: 45px;
  }

  .modal__nav--prev {
    left: var(--spacing-2);
  }

  .modal__nav--next {
    right: var(--spacing-2);
  }
}