/* ==========================================================================
   Portfolio Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Portfolio Hero
   -------------------------------------------------------------------------- */
.portfolio-hero {
  padding: 10rem 0 4rem;
  background: var(--gradient-hero);
  text-align: center;
}

.portfolio-hero-content h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-md);
}

.portfolio-hero-content p {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Projects Grid
   -------------------------------------------------------------------------- */
.projects-section {
  background-color: var(--color-bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

/* --------------------------------------------------------------------------
   Project Card
   -------------------------------------------------------------------------- */
.project-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  display: block;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background-color: var(--color-bg-primary);
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 150, 136, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-card-overlay {
  opacity: 1;
}

.view-project {
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.view-project i {
  transition: transform var(--transition-base);
}

.project-card:hover .view-project i {
  transform: translateX(5px);
}

.project-card-content {
  padding: var(--spacing-xl);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.tag {
  background-color: rgba(0, 150, 136, 0.15);
  color: var(--color-accent-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-card h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-heading);
}

.project-subtitle {
  color: var(--color-accent-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.project-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Coming Soon Card */
.project-card.coming-soon {
  border: 2px dashed var(--color-border);
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  cursor: default;
}

.project-card.coming-soon:hover {
  transform: none;
  box-shadow: none;
}

.project-card.coming-soon .project-card-content {
  text-align: center;
}

.coming-soon-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
}

.project-card.coming-soon h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.project-card.coming-soon p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Project Detail Page
   -------------------------------------------------------------------------- */
.project-detail-hero {
  padding: 10rem 0 4rem;
  background: var(--gradient-hero);
}

.project-detail-hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.project-hero-content {
  max-width: 600px;
}

.project-hero-content .back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
  transition: color var(--transition-base);
}

.project-hero-content .back-link:hover {
  color: var(--color-accent-light);
}

.project-hero-content h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-sm);
}

.project-hero-content .project-type {
  color: var(--color-accent-light);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
}

.project-hero-content .project-intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.project-hero-image {
  position: relative;
}

.project-hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.tech-stack-preview {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tech-stack-preview .tag {
  background-color: var(--color-bg-card);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

@media (max-width: 992px) {
  .project-detail-hero .container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .project-hero-image {
    order: -1;
  }
}

/* --------------------------------------------------------------------------
   Project Overview Section
   -------------------------------------------------------------------------- */
.project-overview {
  background-color: var(--color-bg-secondary);
}

.overview-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-4xl);
}

.overview-main h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xl);
}

.overview-main p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.overview-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.sidebar-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.sidebar-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-accent-light);
}

.sidebar-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-card li {
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sidebar-card li i {
  color: var(--color-accent);
  width: 20px;
}

@media (max-width: 768px) {
  .overview-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features-section {
  background-color: var(--color-bg-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  transition: transform var(--transition-base), border-color var(--transition-base);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

.feature-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-xl);
  color: white;
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Architecture Section
   -------------------------------------------------------------------------- */
.architecture-section {
  background-color: var(--color-bg-secondary);
}

.architecture-diagram {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.architecture-diagram h3 {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: var(--color-accent-light);
}

/* Flow Diagram */
.flow-diagram {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.flow-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.flow-box {
  background-color: var(--color-bg-primary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: center;
  min-width: 150px;
  transition: border-color var(--transition-base);
}

.flow-box:hover {
  border-color: var(--color-accent);
}

.flow-box.highlight {
  border-color: var(--color-accent);
  background-color: rgba(0, 150, 136, 0.1);
}

.flow-box .icon {
  font-size: var(--font-size-2xl);
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-sm);
}

.flow-box .label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: var(--spacing-xs);
}

.flow-box .sublabel {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.flow-arrow {
  color: var(--color-accent);
  font-size: var(--font-size-xl);
}

.flow-arrow.vertical {
  transform: rotate(90deg);
}

/* Layer Diagram */
.layer-diagram {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
}

.layer {
  display: flex;
  align-items: stretch;
  gap: var(--spacing-md);
}

.layer-label {
  width: 120px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.layer-content {
  flex: 1;
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.layer-item {
  flex: 1;
  min-width: 100px;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.layer-item:hover {
  border-color: var(--color-accent);
  background-color: rgba(0, 150, 136, 0.1);
}

.layer-item.primary {
  border-color: var(--color-accent);
  background-color: rgba(0, 150, 136, 0.15);
}

.layer-item i {
  display: block;
  font-size: var(--font-size-lg);
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-xs);
}

@media (max-width: 768px) {
  .layer {
    flex-direction: column;
  }

  .layer-label {
    width: 100%;
    justify-content: flex-start;
    padding-right: 0;
    margin-bottom: var(--spacing-sm);
  }

  .flow-row {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .flow-arrow.vertical {
    transform: rotate(0deg);
  }
}

/* Data Model Section */
.data-model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.data-model-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border-top: 3px solid var(--color-accent);
}

.data-model-card h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.data-model-card h4 i {
  color: var(--color-accent-light);
}

.data-model-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.data-model-card li {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.data-model-card li:last-child {
  border-bottom: none;
}

.data-model-card code {
  background-color: var(--color-bg-primary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-accent-light);
}

/* --------------------------------------------------------------------------
   Screenshots Section
   -------------------------------------------------------------------------- */
.screenshots-section {
  background-color: var(--color-bg-primary);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.screenshot-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.screenshot-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-bg-primary);
}

.screenshot-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.screenshot-card:hover .screenshot-image img {
  transform: scale(1.02);
}

.screenshot-caption {
  padding: var(--spacing-lg);
}

.screenshot-caption h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

.screenshot-caption p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

@media (max-width: 576px) {
  .screenshots-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Tech Stack Detail Section
   -------------------------------------------------------------------------- */
.tech-stack-section {
  background-color: var(--color-bg-secondary);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.tech-category {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.tech-category h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.tech-category h3 i {
  color: var(--color-accent-light);
}

.tech-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.tech-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.tech-item-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
  color: var(--color-accent-light);
}

.tech-item-content h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-heading);
}

.tech-item-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.project-cta {
  background-color: var(--color-bg-primary);
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--gradient-accent);
  color: white;
}

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

.btn-secondary {
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
}