/* ========================================
   PORTFOLIO PAGE STYLES
   ========================================
   Overview page with project grid
   ======================================== */

/* Authentication Overlay */
.auth-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-background);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-overlay__content {
  text-align: center;
}

.auth-overlay__message {
  font-size: var(--text-xl);
  color: var(--color-secondary);
}

/* Portfolio Header */
.portfolio-header {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
  background-color: var(--color-background);
}

.portfolio-header__content {
  text-align: center;
}

.portfolio-header__title {
  font-size: var(--text-6xl);
  font-weight: 300;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.portfolio-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  font-weight: 400;
}

/* Portfolio Introduction */
.portfolio-intro {
  padding-top: var(--space-md);
  padding-bottom: var(--space-2xl);
  background-color: var(--color-background);
}

.portfolio-intro__content {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.portfolio-intro__heading {
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.portfolio-intro__description {
  font-size: var(--text-lg);
  color: var(--color-secondary);
  line-height: 1.6;
}

/* Project Grid */
.project-grid {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-5xl);
  background-color: var(--color-background);
}

.project-grid__items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3xl);
}

/* Project Card */
.project-card {
  background-color: var(--color-background);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.project-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.project-card__image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-surface);
  overflow: hidden;
}

.project-card__image {
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-slow);
  display: block;
}

.project-card:hover .project-card__image {
  transform: scale(1.05);
}

.project-card__content {
  padding: var(--space-xl);
}

.project-card__title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.project-card__subtitle {
  font-size: var(--text-base);
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.project-card__description {
  font-size: var(--text-base);
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-card__tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-surface);
  color: var(--color-secondary);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  font-weight: 500;
}

/* Portfolio Footer */
.portfolio-footer {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  background-color: var(--color-surface);
}

.portfolio-footer__text {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .project-grid__items {
    gap: var(--space-2xl);
  }

  .project-card__image-wrapper {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 768px) {
  .portfolio-header {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-2xl);
  }

  .portfolio-header__title {
    font-size: var(--text-5xl);
  }

  .portfolio-intro {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-3xl);
  }

  .portfolio-intro__heading {
    font-size: var(--text-2xl);
  }

  .project-grid__items {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .project-card__content {
    padding: var(--space-lg);
  }

  .project-card__image-wrapper {
    aspect-ratio: 16 / 10;
  }

  .project-card {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 480px) {
  .portfolio-header__title {
    font-size: var(--text-4xl);
  }

  .portfolio-header__subtitle {
    font-size: var(--text-base);
  }

  .portfolio-intro__description {
    font-size: var(--text-base);
  }

  .project-card__title {
    font-size: var(--text-xl);
  }
}