/* ---------------------------------------------------------
   NeuByte Color System — Core Variables
   Unified Design Tokens (CSS is source of truth)
--------------------------------------------------------- */

:root {
  /* Grayscale Palette */
  --nb-gray-0:   #ffffff;
  --nb-gray-50:  #f7f7f7;
  --nb-gray-100: #e6e6e6;
  --nb-gray-200: #cccccc;
  --nb-gray-300: #b3b3b3;
  --nb-gray-400: #999999;
  --nb-gray-500: #808080;
  --nb-gray-600: #666666;   /* FIXED */
  --nb-gray-700: #4d4d4d;
  --nb-gray-800: #333333;   /* FIXED */
  --nb-gray-900: #1a1a1a;
  --nb-gray-1000:#000000;

  /* NeuByte Brand Accent */
  --nb-blue: #0077cc; /* Primary Blue (kept) */
  --nb-blue-light: #3399ff;
  --nb-blue-dark: #005fa3;

  /* Semantic Tokens */
  --nb-bg: var(--nb-gray-0);
  --nb-surface: var(--nb-gray-50);
  --nb-surface-alt: var(--nb-gray-100);

  --nb-text: var(--nb-gray-900);
  --nb-text-muted: var(--nb-gray-600);
  --nb-text-inverse: var(--nb-gray-0);
  --nb-text-meta: #808080; /* NEW */

  --nb-border: var(--nb-gray-200);
  --nb-border-strong: var(--nb-gray-400);

  --nb-accent: var(--nb-blue);
  --nb-accent-hover: var(--nb-blue-dark);

  /* Stroke rules for diagrams + UI */
  --nb-stroke-width: 2px; /* Kept */
  --nb-stroke-color: var(--nb-gray-800);

  /* Arrowhead rules (NEW) */
  --nb-arrow-stroke-width: 2px;
  --nb-arrow-stroke-color: var(--nb-stroke-color);
  --nb-arrowhead-fill: var(--nb-stroke-color);

  /* Spacing Scale (rem-based for accessibility) */
  --nb-space-1: 0.25rem;
  --nb-space-2: 0.5rem;
  --nb-space-3: 0.75rem;
  --nb-space-4: 1rem;
  --nb-space-6: 1.5rem;
  --nb-space-8: 2rem;

  /* Shape spacing (16px) */
  --nb-shape-spacing: 1rem;

  /* Swimlane padding (24px) */
  --nb-swimlane-padding: 1.5rem;

  /* Radius */
  --nb-radius-sm: 4px;
  --nb-radius-md: 8px;
  --nb-radius-lg: 12px;

  /* Typography */
  --nb-font: "Manrope", sans-serif;
  --nb-font-size: 16px;
  --nb-line-height: 1.6;

  /* Enforced font weights (NEW) */
  --nb-font-weight-regular: 400;
  --nb-font-weight-medium: 500;
  --nb-font-weight-semibold: 600;

  /* Scroll Bar */
  --nb-scrollbar: #c7d2e0;
  --nb-scrollbar-hover: #7ea0c8;
}

/* ---------------------------------------------------------
   Base Reset + Typography
--------------------------------------------------------- */

body {
  margin: 0;
  padding: 0;
  background: var(--nb-bg);
  color: var(--nb-text);
  font-family: var(--nb-font);
  font-size: var(--nb-font-size);
  line-height: var(--nb-line-height);
  font-weight: var(--nb-font-weight-regular); /* NEW */
}

h1, h2, h3, h4 {
  color: var(--nb-text);
  margin-top: var(--nb-space-8);
  margin-bottom: var(--nb-space-4);
  font-weight: var(--nb-font-weight-semibold); /* NEW */
}

p {
  margin-bottom: var(--nb-space-4);
  color: var(--nb-text);
}

/* ---------------------------------------------------------
   Links
--------------------------------------------------------- */

a {
  color: var(--nb-accent);
  text-decoration: none;
}

a:hover {
  color: var(--nb-accent-hover);
  text-decoration: underline;
}

/* ---------------------------------------------------------
   Surfaces + Cards
--------------------------------------------------------- */

.nb-card {
  background: var(--nb-surface);
  border: 1px solid var(--nb-border);
  border-radius: var(--nb-radius-md);
  padding: var(--nb-space-6);
  margin-bottom: var(--nb-shape-spacing); /* UPDATED */
}

/* ---------------------------------------------------------
   Buttons
--------------------------------------------------------- */

.nb-button {
  display: inline-block;
  padding: var(--nb-space-3) var(--nb-space-6);
  background: var(--nb-accent);
  color: var(--nb-text-inverse);
  border-radius: var(--nb-radius-sm);
  font-weight: var(--nb-font-weight-medium); /* NEW */
}

.nb-button:hover {
  background: var(--nb-accent-hover);
}

/* ---------------------------------------------------------
   Layout Utilities
--------------------------------------------------------- */

.nb-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--nb-space-8) var(--nb-space-4);
}

.nb-grid {
  display: grid;
  gap: var(--nb-space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.nb-center {
  text-align: center;
}

/* ---------------------------------------------------------
   Header / Hero
--------------------------------------------------------- */

.nb-header {
  padding: var(--nb-space-8) 0;
  text-align: center;
  font-weight: var(--nb-font-weight-semibold);
  text-shadow: 0px 1px 2px rgba(0,0,0,0.25);
  align-items: center;
  font-size: 1.5rem;
  height: 52px;
}

.nb-logo {
  width: 120px;
  margin-bottom: var(--nb-space-4);
}

nav {
  background-image: url("NeuByteGrIdMenuBar.svg");
  background-repeat: no-repeat;
  background-size: 600px;
  background-position: center;
}

nav a {
  line-height: calc(1em + 6px);
}

/* ---------------------------------------------------------
   Footer
--------------------------------------------------------- */

.site-footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--nb-text-muted);
}

.site-footer .legal {
  font-size: 0.875rem;
  color: var(--nb-text-muted);
  margin-bottom: 1rem;
}

.site-footer .social-icons {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
}

.social-icons {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
}

.social-icons svg {
  width: 24px;
  height: 24px;
  fill: var(--nb-text);
  transition: fill 0.2s ease, transform 0.2s ease;
}

.social-icons a:hover svg {
  fill: var(--nb-accent);
  transform: translateY(-2px);
}

/* ---------------------------------------------------------
   Use Case Table
--------------------------------------------------------- */

.uc-table {
  border-collapse: collapse;
  width: 100%;
  font-family: Manrope, sans-serif;
}

.uc-table th,
.uc-table td {
  border: 1px solid var(--nb-border);
  padding: 8px 12px;
  vertical-align: top;
}

.uc-table th {
  font-weight: var(--nb-font-weight-semibold);
  background-color: var(--nb-gray-50);
  color: var(--nb-gray-900);
}

/* ---------------------------------------------------------
   Resume Components
--------------------------------------------------------- */

.resume-page {
  width: 860px;
  margin: 0 auto;
}

.resume-header {
  text-align: center;
  margin-bottom: 2rem;
  width: 860px;
}

.resume-name {
  font-size: 2.2rem;
  font-weight: var(--nb-font-weight-semibold);
  margin: 0;
}

.resume-title {
  font-size: 1.2rem;
  color: var(--nb-text-muted);
  margin: 0.3rem 0 1rem;
}

.resume-contact span {
  display: inline-block;
  margin: 0 0.5rem;
  font-size: 0.95rem;
}

.resume-contact a {
  color: inherit;
  text-decoration: none;
}

.resume-summary {
  margin: 1.5rem 0 2rem;
  padding: 1.25rem 1.5rem;
  background: #fafafa;
  border-left: 4px solid var(--nb-accent);
  border-radius: 4px;
  width: 860px;
}

.resume-summary p {
  margin: 0;
  color: var(--nb-text);
  line-height: 1.6;
}

/* Resume Scrolling Container */
.resume-container {
  max-height: 80vh;
  overflow-y: auto;
  padding: 1.5rem 2rem;
  border-radius: 8px;
  background: var(--nb-gray-0);
  border: 1px solid var(--nb-border);
  width: 860px;
}

.resume-container::-webkit-scrollbar {
  width: 6px;
}

.resume-container::-webkit-scrollbar-track {
  background: transparent;
}

.resume-container::-webkit-scrollbar-thumb {
  background: var(--nb-scrollbar);
  border-radius: 4px;
}

.resume-container:hover::-webkit-scrollbar-thumb {
  background: var(--nb-blue-light);
}

.resume-container {
  scrollbar-width: thin;
  scrollbar-color: var(--nb-scrollbar) transparent;
}

/* ----------------------------
   Job Card
---------------------------- */

.job-card {
  padding: 1rem 0;
  border-bottom: 1px solid var(--nb-border-strong);
  margin-bottom: var(--nb-shape-spacing); /* NEW */
}

.job-card:last-child {
  border-bottom: none;
}

.job-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.job-title {
  margin: 0;
  font-weight: var(--nb-font-weight-semibold);
}

.job-dates {
  font-size: 0.9rem;
  color: var(--nb-text-meta); /* UPDATED */
}

.job-location {
  margin: 0.25rem 0;
  font-size: 0.95rem;
  color: var(--nb-text-meta); /* UPDATED */
}

.job-summary {
  margin: 0.5rem 0 0.75rem;
  color: var(--nb-text-muted);
}

.job-bullets {
  margin: 0;
  padding-left: 1.2rem;
}

.job-bullets li {
  margin: 0.25rem 0;
}

/* ----------------------------
   Education Card
---------------------------- */

.education-card {
  padding: 1rem 0;
  border-bottom: 1px solid var(--nb-border-strong);
  width: 860px;
  margin-bottom: var(--nb-shape-spacing); /* NEW */
}

.education-card:last-child {
  border-bottom: none;
}

.education-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.education-degree {
  margin: 0;
  font-weight: var(--nb-font-weight-semibold);
}

.education-dates {
  font-size: 0.9rem;
  color: var(--nb-text-meta); /* UPDATED */
}

.education-school {
  margin: 0.25rem 0 0.5rem;
  font-weight: var(--nb-font-weight-medium);
  color: var(--nb-text);
}

.education-summary {
  margin: 0.5rem 0 0.75rem;
  color: var(--nb-text-muted);
}

/* ----------------------------
   Certification Card
---------------------------- */

.cert-card {
  padding: 1rem 0;
  border-bottom: 1px solid var(--nb-border-strong);
  width: 860px;
  margin-bottom: var(--nb-shape-spacing); /* NEW */
}

.cert-card:last-child {
  border-bottom: none;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.cert-name {
  margin: 0;
  font-weight: var(--nb-font-weight-semibold);
}

.cert-meta {
  font-size: 0.9rem;
  color: var(--nb-text-meta); /* UPDATED */
}

.cert-summary {
  margin: 0.5rem 0 0.75rem;
  color: var(--nb-text-muted);
}

/* ----------------------------
   Skill Category
---------------------------- */

.skill-category {
  margin-bottom: 1.5rem;
  width: 860px;
}

.skill-category-title {
  margin: 0 0 0.5rem;
  font-weight: var(--nb-font-weight-semibold);
}

.skill-list {
  margin: 0;
  padding-left: 0;
  list-style: none;

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.25rem 1rem;
}

.skill-item {
  margin: 0;
  color: var(--nb-text-muted);
}

/* ---------------------------------------------------------
   Print Styles — Resume PDF Export
--------------------------------------------------------- */

@media print {

  body {
    background: white !important;
    color: var(--nb-text) !important;
  }

  nav, .site-footer {
    display: none !important;
  }

  .resume-page {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .resume-container {
    max-height: none !important;
    overflow: visible !important;
    border: none !important;
    box-shadow: none !important;
  }

  /* Avoid page breaks inside cards */
  .job-card,
  .education-card,
  .cert-card,
  .skill-category {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}