/**
 * assets/css/portfolio.css — Public Portfolio & Showcase Stylesheet
 *
 * Engineered to 100% match Tribal Node's core Webflow design system, tokens,
 * typography, and clean aesthetic. No forced dark backgrounds or alien styles.
 */

:root {
  --tn-port-border: rgba(12, 20, 28, 0.09);
  --tn-port-border-hover: rgba(12, 20, 28, 0.22);
  --tn-port-text-muted: #5a6672;
  --tn-port-dark: #0c141c;
  --tn-port-accent-green: #b0ff00;
  --tn-port-green-bg: rgba(176, 255, 0, 0.18);
  --tn-port-green-border: rgba(176, 255, 0, 0.45);
}

/* Base Page Styling */
.tn-portfolio-page {
  background-color: #fff;
  color: var(--text-color--text-primary, #0c141c);
  min-height: 100vh;
}

/* Hero Section Customizations */
.tn-portfolio-hero {
  position: relative;
  background-color: #fff;
}

.tn-portfolio-hero-highlights {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.tn-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: var(--bg-color--bg-subtle, #f4f6f8);
  border: 1px solid var(--tn-port-border);
  font-family: var(--_typography---font-family--alternate, inherit);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--tn-port-dark);
}

.tn-hero-pill-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--base--green, #b0ff00);
  box-shadow: 0 0 6px rgba(176, 255, 0, 0.8);
}

/* Category Filter Rail - static in-flow, no sticky top bar */
.tn-portfolio-filter-section {
  position: static;
  top: auto;
  z-index: auto;
  background: #ffffff;
  border: none;
  padding: 1.1rem 0 1rem;
}

.tn-filter-slider-container {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
}

.tn-portfolio-filter-wrap {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  padding: 0.4rem 0.25rem;
  margin: 0;
  scroll-snap-type: x proximity;
  scroll-padding: 0 0.25rem;
  user-select: none;
  -webkit-user-select: none;
}
.tn-portfolio-filter-wrap::-webkit-scrollbar {
  display: none;
}
.tn-portfolio-filter-wrap.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

/* Keep arrows beside the scroll viewport so they cannot cover a category. */
.tn-filter-nav-btn {
  flex: 0 0 auto;
  position: static;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(12, 20, 28, 0.12);
  color: var(--tn-port-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px rgba(12, 20, 28, 0.12);
  z-index: 5;
}

.tn-filter-nav-btn:hover:not(:disabled) {
  background: var(--tn-port-dark);
  color: #ffffff;
  border-color: var(--tn-port-dark);
  transform: scale(1.06);
  box-shadow: 0 6px 18px rgba(12, 20, 28, 0.2);
}

.tn-filter-nav-btn:active:not(:disabled) {
  transform: scale(0.94);
}

.tn-filter-nav-btn:disabled {
  opacity: 0;
  pointer-events: none;
}

/* Filter Chip Buttons */
.tn-filter-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.68rem 1.2rem;
  border-radius: 999px;
  background: #f6f7f9;
  border: 1px solid #e4e8ee;
  color: #46525e;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  scroll-snap-align: center;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.19, 1, 0.22, 1);
  text-decoration: none;
}

.tn-filter-chip:hover {
  border-color: var(--tn-port-dark);
  color: var(--tn-port-dark);
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(12, 20, 28, 0.08);
}

.tn-filter-chip.is-active {
  background: var(--tn-port-dark);
  color: #ffffff;
  border-color: var(--tn-port-dark);
  box-shadow: 0 6px 18px rgba(12, 20, 28, 0.22);
}

.tn-filter-chip .chip-count {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4rem;
  height: 1.4rem;
  padding: 0 0.42rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(12, 20, 28, 0.07);
  color: inherit;
  font-variant-numeric: tabular-nums;
}

.tn-filter-chip.is-active .chip-count {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

/* Spacing around filter rail */
.tn-portfolio-hero {
  padding-bottom: 1.25rem;
}
.tn-portfolio-filter-section + .section_portfolio {
  padding-top: 0.5rem;
}

/* Mobile: reserve arrow space and let long category names fit the rail. */
@media (max-width: 680px) {
  .tn-portfolio-filter-section {
    padding: 0.7rem 0;
  }
  .tn-portfolio-filter-section .padding-global {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .tn-filter-slider-container {
    gap: 0.45rem;
  }
  .tn-filter-nav-btn {
    width: 1.9rem;
    height: 1.9rem;
  }
  .tn-filter-chip {
    padding: 0.62rem 1.05rem;
    font-size: 0.8rem;
    max-width: 100%;
    white-space: normal;
    line-height: 1.35;
  }
  .tn-filter-chip > span:first-child {
    min-width: 0;
  }
}

/* Filter Context Bar (when viewing a specific category) */
.tn-portfolio-context-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding: 0.85rem 1.25rem;
  border-radius: 0.85rem;
  background: var(--bg-color--bg-subtle, #f4f6f8);
  border: 1px solid var(--tn-port-border);
  font-size: 0.875rem;
}

.tn-portfolio-context-info {
  color: var(--tn-port-text-muted);
}
.tn-portfolio-context-info strong {
  color: var(--tn-port-dark);
}

.tn-portfolio-context-reset {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--tn-port-dark);
  text-decoration: none;
  font-size: 0.825rem;
  padding: 0.3rem 0.75rem;
  background: #ffffff;
  border: 1px solid var(--tn-port-border);
  border-radius: 999px;
  transition: all 0.2s ease;
}
.tn-portfolio-context-reset:hover {
  background: var(--tn-port-dark);
  color: #ffffff;
}

/* Portfolio Cards Grid */
.section_portfolio {
  padding-bottom: 5rem;
  background-color: #fff;
}

.tn-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.85rem;
}

@media (max-width: 1024px) {
  .tn-portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 680px) {
  .tn-portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }
}

/* Card Component */
.tn-portfolio-card {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--tn-port-border);
  border-radius: var(--_sizes---fixed--xlarge, 1.5rem);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.32s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease;
  box-shadow: 0 4px 20px rgba(12, 20, 28, 0.035);
}

.tn-portfolio-card:hover {
  transform: translateY(-5px);
  border-color: var(--tn-port-border-hover);
  box-shadow: 0 20px 40px rgba(12, 20, 28, 0.08);
}

/* Card Media / Thumbnail */
.tn-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #eef2f6;
  cursor: pointer;
}

.tn-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.tn-portfolio-card:hover .tn-card-img {
  transform: scale(1.04);
}

.tn-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 20, 28, 0) 50%, rgba(12, 20, 28, 0.45) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.tn-portfolio-card:hover .tn-card-overlay {
  opacity: 1;
}

.tn-card-zoom-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(12, 20, 28, 0.12);
  color: var(--tn-port-dark);
  border-radius: 50%;
  width: 2.3rem;
  height: 2.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.85);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 12px rgba(12, 20, 28, 0.12);
}

.tn-portfolio-card:hover .tn-card-zoom-badge {
  opacity: 1;
  transform: scale(1);
}

/* Card Content Area */
.tn-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tn-card-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.tn-badge-category {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--bg-color--bg-subtle, #f4f6f8);
  color: #1e3a5f;
  border: 1px solid var(--tn-port-border);
}

.tn-badge-package {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--tn-port-green-bg);
  color: var(--tn-port-dark);
  border: 1px solid var(--tn-port-green-border);
}

.tn-badge-country {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  background: #f1f5f9;
  color: var(--tn-port-dark);
  border: 1px solid #cbd5e1;
}

.tn-card-title {
  color: var(--tn-port-dark);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.85rem;
  letter-spacing: -0.015em;
}

.tn-card-desc {
  color: var(--tn-port-text-muted);
  font-size: 0.915rem;
  line-height: 1.6;
  margin: 0 0 1.25rem;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Tech Tags Row */
.tn-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.tn-tag-tech {
  padding: 0.22rem 0.55rem;
  border-radius: 0.4rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #475569;
  font-size: 0.72rem;
  font-weight: 500;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

/* Card Action Row */
.tn-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  border-top: 1px solid var(--tn-port-border);
  margin-top: auto;
  gap: 0.75rem;
}

.tn-card-country {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--tn-port-dark);
  background: #f8fafc;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #e2e8f0;
  transition: all 0.2s ease;
  line-height: 1;
}

.tn-card-country:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.tn-country-flag {
  width: 22px;
  height: 15px;
  object-fit: cover;
  border-radius: 2.5px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
  display: inline-block;
}

.tn-country-name {
  line-height: 1;
  letter-spacing: -0.01em;
}

.tn-card-price {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--tn-port-dark);
  font-variant-numeric: tabular-nums;
}
.tn-card-price span {
  font-size: 0.75rem;
  color: var(--tn-port-text-muted);
  font-weight: 500;
}

.tn-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--tn-port-dark);
  font-size: 0.825rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--bg-color--bg-subtle, #f4f6f8);
  border: 1px solid var(--tn-port-border);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tn-card-btn:hover {
  background: var(--tn-port-dark);
  color: #ffffff;
  border-color: var(--tn-port-dark);
  transform: translateX(2px);
}

.tn-card-btn svg {
  transition: transform 0.2s ease;
}
.tn-card-btn:hover svg {
  transform: translate(2px, -2px);
}

/* Empty State */
.tn-portfolio-empty {
  text-align: center;
  padding: 4.5rem 2rem;
  max-width: 36rem;
  margin: 2rem auto 0;
  background: var(--bg-color--bg-subtle, #f4f6f8);
  border: 1px solid var(--tn-port-border);
  border-radius: var(--_sizes---fixed--xlarge, 1.5rem);
}
.tn-portfolio-empty h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--tn-port-dark);
  margin: 0.75rem 0 0.5rem;
}
.tn-portfolio-empty p {
  color: var(--tn-port-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

/* Lightbox Modal */
.tn-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(12, 20, 28, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
.tn-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.tn-lightbox-dialog {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--tn-port-border);
  border-radius: 1.5rem;
  max-width: 52rem;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(12, 20, 28, 0.2) transparent;
  box-shadow: 0 25px 60px rgba(12, 20, 28, 0.25);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
.tn-lightbox-dialog::-webkit-scrollbar {
  width: 6px;
}
.tn-lightbox-dialog::-webkit-scrollbar-thumb {
  background: rgba(12, 20, 28, 0.2);
  border-radius: 999px;
}
.tn-lightbox.is-open .tn-lightbox-dialog {
  transform: translateY(0) scale(1);
}

.tn-lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--tn-port-border);
  color: var(--tn-port-dark);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(12, 20, 28, 0.1);
  line-height: 1;
}
.tn-lightbox-close:hover {
  background: var(--tn-port-dark);
  color: #ffffff;
  transform: rotate(90deg);
}

.tn-lightbox-preview {
  width: 100%;
  max-height: 26rem;
  object-fit: cover;
  object-position: center top;
  border-radius: 1.5rem 1.5rem 0 0;
  border-bottom: 1px solid var(--tn-port-border);
}

.tn-lightbox-body {
  padding: 2.25rem;
}

.tn-lightbox-body h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--tn-port-dark);
  margin: 0.6rem 0 0.8rem;
  line-height: 1.3;
}

.tn-lightbox-body p {
  color: var(--tn-port-text-muted);
  line-height: 1.65;
  font-size: 1rem;
  margin-bottom: 1.75rem;
}

.tn-lightbox-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.tn-lightbox-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 999px;
  background: var(--tn-port-dark);
  color: #ffffff;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px rgba(12, 20, 28, 0.15);
}
.tn-lightbox-btn-primary:hover {
  background: #1e293b;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(12, 20, 28, 0.25);
}