/* ==========================================================================
   Krishna Varshney Portfolio — Terminal/macOS Aesthetic
   Inspired by mohdjami.dev
   ========================================================================== */

/* ─── Design Tokens ─── */
:root {
  --bg-body: #0a0a0a;
  --bg-terminal: #0d0d0d;
  --bg-header: #171717;
  --bg-hover: #262626;

  --border: #262626;
  --border-hover: #404040;

  --text-white: #ffffff;
  --text-light: #d4d4d4;
  --text-muted: #737373;
  --text-dimmed: #525252;

  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.2);
  --green-border: rgba(34, 197, 94, 0.3);
  --cyan: #06b6d4;
  --purple: #a855f7;
  --blue: #3b82f6;
  --red: #ef4444;
  --yellow: #eab308;

  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --max-width: 1024px;
  --transition: 0.2s ease;
}

/* ─── Reset ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-body);
  color: var(--text-white);
  font-family: var(--font-mono);
  line-height: 1.6;
  overflow-x: hidden;
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

strong {
  color: var(--text-white);
}

/* ==========================================================================
   macOS Navbar
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(23, 23, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.navbar-logo {
  padding: 0.25rem 0.5rem;
  color: var(--text-white);
  font-weight: 700;
  border-radius: 6px;
  transition: background var(--transition);
}

.navbar-logo:hover {
  background-color: var(--bg-hover);
}

.navbar-link {
  padding: 0.25rem 0.75rem;
  color: var(--text-light);
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}

.navbar-link:hover,
.navbar-link-active {
  background-color: var(--bg-hover);
  color: var(--text-white);
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.navbar-icon {
  font-size: 0.875rem;
  color: var(--text-dimmed);
}

.navbar-social {
  color: var(--text-muted);
  transition: color var(--transition);
  font-size: 0.875rem;
}

.navbar-social:hover {
  color: var(--text-white);
}

.navbar-clock {
  color: var(--text-light);
  font-size: 0.75rem;
  margin-left: 0.5rem;
  min-width: 5rem;
  text-align: right;
}

/* ==========================================================================
   Content Wrapper
   ========================================================================== */
.content-wrapper {
  position: relative;
  z-index: 0;
  padding-top: 5rem;
}

main {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
}

.section-block {
  margin-bottom: 3rem;
}

/* ==========================================================================
   Terminal Window Component
   ========================================================================== */
.terminal-window {
  border-radius: 0.5rem;
  overflow: hidden;
  background-color: var(--bg-terminal);
  border: 1px solid var(--border);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 1rem;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border);
}

.terminal-dots {
  display: flex;
  gap: 0.375rem;
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.dot-red { background-color: var(--red); }
.dot-yellow { background-color: var(--yellow); }
.dot-green { background-color: var(--green); }

.terminal-title {
  margin-left: 0.75rem;
  color: var(--text-dimmed);
  font-size: 0.875rem;
}

.terminal-header {
  justify-content: flex-start;
}

.terminal-body {
  padding: 1.25rem;
}

.terminal-mono {
  font-size: 0.875rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-top {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.avatar-badge {
  width: 4rem;
  height: 4rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--green) 0%, var(--cyan) 100%);
  color: #000;
  flex-shrink: 0;
}

/* Prompt styling */
.prompt-block {
  margin-bottom: 1rem;
}

.prompt-block:last-child {
  margin-bottom: 0;
}

.prompt-line {
  color: var(--green);
  margin-bottom: 0.25rem;
}

.p-user { color: var(--cyan); }
.p-at   { color: var(--text-dimmed); }
.p-host { color: var(--purple); }
.p-colon { color: var(--text-dimmed); }
.p-path { color: var(--blue); }
.p-dollar { color: var(--text-dimmed); }
.p-cmd { color: var(--text-white); }

.output-line {
  color: var(--text-light);
  padding-left: 0.5rem;
  border-left: 2px solid var(--green-border);
}

.hero-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
}

/* Typewriter */
.typewriter-wrap {
  display: flex;
  align-items: center;
}

.p-gt {
  color: var(--green);
}

.typewriter-text {
  color: var(--text-light);
}

.cursor-blink {
  display: inline-block;
  width: 0.5rem;
  height: 1rem;
  background-color: var(--green);
  margin-left: 0.125rem;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Focus tags */
.focus-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.focus-tag {
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  background-color: var(--green-dim);
  color: var(--green);
  border-radius: 0.25rem;
}

/* Hero CTA buttons */
.hero-ctas {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.btn-terminal {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--green);
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-terminal:hover {
  background-color: #4ade80;
}

.btn-terminal-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--text-light);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-hover);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.btn-terminal-outline:hover {
  border-color: var(--green);
  color: var(--green);
}

/* ==========================================================================
   Metrics
   ========================================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metric-card {
  text-align: center;
  padding: 1rem 0.5rem;
}

.metric-icon {
  font-size: 1.25rem;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-white);
}

.metric-label {
  font-weight: 600;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  color: var(--text-light);
}

.metric-sub {
  font-size: 0.7rem;
  color: var(--text-dimmed);
  margin-top: 0.25rem;
}

/* ==========================================================================
   Projects (Finder)
   ========================================================================== */
.finder-layout {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
}

.finder-sidebar {
  width: 12rem;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding-right: 1rem;
}

.finder-sidebar-label {
  color: var(--text-dimmed);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  padding: 0 0.5rem;
}

.folder-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.375rem 0.5rem;
  border: none;
  background: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border-radius: 0.375rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition), color var(--transition);
}

.folder-btn .folder-icon-active {
  display: none;
}

.folder-btn .folder-icon-default {
  display: inline;
}

.folder-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-white);
}

.folder-btn.active {
  background-color: rgba(59, 130, 246, 0.2);
  color: var(--blue);
}

.folder-btn.active .folder-icon-active {
  display: inline;
  color: var(--blue);
}

.folder-btn.active .folder-icon-default {
  display: none;
}

.finder-files {
  flex: 1;
  min-width: 0;
}

.project-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-item {
  padding: 1.1rem;
  border-radius: 0.5rem;
  background-color: rgba(23, 23, 23, 0.7);
  border: 1px solid rgba(64, 64, 64, 0.4);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.project-item:hover {
  border-color: rgba(34, 197, 94, 0.4);
  background-color: rgba(28, 28, 28, 0.9);
}

.project-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.project-item-name {
  color: var(--text-white);
  font-weight: 600;
  font-size: 0.95rem;
}

.project-item-links {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.project-item-links a {
  color: var(--text-dimmed);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.5rem;
  border-radius: 0.25rem;
  border: 1px solid var(--border);
  background-color: var(--bg-hover);
  transition: all var(--transition);
}

.project-item-links a:hover {
  color: var(--green);
  border-color: var(--green-border);
}

.project-item-desc {
  color: var(--text-light);
  font-size: 0.825rem;
  line-height: 1.5;
}

.project-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0.2rem 0;
  padding-left: 0.1rem;
}

.project-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.project-bullet .p-arrow {
  color: var(--green);
  font-size: 0.75rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.project-bullet strong {
  color: var(--text-white);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.2rem;
}

.project-tag {
  padding: 0.125rem 0.45rem;
  font-size: 0.7rem;
  background-color: var(--bg-hover);
  color: var(--text-dimmed);
  border-radius: 0.25rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.project-item-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  font-size: 0.6875rem;
  background-color: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: var(--purple);
  border-radius: 0.75rem;
  font-weight: 600;
  align-self: flex-start;
}

.project-item-badge.badge-green {
  background-color: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.3);
  color: var(--green);
}

.project-item-badge.badge-cyan {
  background-color: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.3);
  color: var(--cyan);
}

/* ==========================================================================
   Experience
   ========================================================================== */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.exp-entry {
  padding-left: 1rem;
  border-left: 2px solid var(--green-border);
  transition: border-color var(--transition);
}

.exp-entry:hover {
  border-left-color: var(--green);
}

.exp-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.exp-company {
  color: var(--cyan);
  font-weight: 600;
}

.exp-sep {
  color: var(--text-dimmed);
}

.exp-role {
  color: var(--text-white);
}

.exp-date {
  color: var(--text-dimmed);
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
}

.exp-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.exp-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.exp-arrow {
  color: var(--green);
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.exp-bullet strong {
  color: var(--text-white);
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.exp-tag {
  padding: 0.125rem 0.375rem;
  font-size: 0.75rem;
  background-color: var(--bg-hover);
  color: var(--text-dimmed);
  border-radius: 0.25rem;
}

/* ==========================================================================
   Skills (JSON)
   ========================================================================== */
.json-block {
  font-size: 0.875rem;
}

.json-brace {
  color: var(--text-dimmed);
}

.json-entry {
  margin-left: 1rem;
  margin-bottom: 0.5rem;
}

.json-key {
  color: var(--purple);
}

.json-colon {
  color: var(--text-dimmed);
}

.json-values {
  margin-left: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.json-val {
  color: var(--green);
}

.json-comma {
  color: var(--text-dimmed);
}

/* ==========================================================================
   About / Education (Markdown)
   ========================================================================== */
.md-block {
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.md-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.md-heading {
  color: var(--cyan);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.md-subheading {
  color: var(--purple);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 0.35rem;
}

.md-text {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.85rem;
}

.md-text strong {
  color: var(--text-white);
}

.md-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-left: 0.25rem;
}

.md-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--text-light);
  line-height: 1.5;
  font-size: 0.825rem;
}

.md-list-item .md-bullet {
  color: var(--green);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.md-callout {
  background-color: rgba(23, 23, 23, 0.8);
  border-left: 3px solid var(--green);
  border-radius: 0 0.375rem 0.375rem 0;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.md-callout-title {
  color: var(--green);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.md-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.md-info-card {
  background-color: rgba(38, 38, 38, 0.4);
  border: 1px solid rgba(64, 64, 64, 0.4);
  border-radius: 0.375rem;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.md-info-label {
  color: var(--text-dimmed);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.md-info-value {
  color: var(--text-white);
  font-size: 0.825rem;
  font-weight: 500;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-inner {
  text-align: center;
  padding: 2rem 0;
}

.contact-cmd {
  color: var(--green);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.contact-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.contact-desc {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 30rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.contact-actions .btn-terminal {
  padding: 0.625rem 1.25rem;
}

.contact-actions .btn-terminal-outline {
  padding: 0.625rem 1.25rem;
}

/* ==========================================================================
   macOS Dock Footer
   ========================================================================== */
.dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  justify-content: center;
  padding-bottom: 0.75rem;
  pointer-events: none;
}

.dock-inner {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background-color: rgba(23, 23, 23, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-hover);
  border-radius: 1rem;
  pointer-events: auto;
}

.dock-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  background-color: var(--bg-hover);
  border: 1px solid var(--border-hover);
  color: var(--text-muted);
  font-size: 1.125rem;
  transition: all var(--transition);
}

.dock-item:hover {
  border-color: var(--green-border);
  background-color: var(--border-hover);
  color: var(--green);
  transform: scale(1.1);
}

.dock-tooltip {
  display: none;
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.5rem;
  background-color: var(--bg-hover);
  border: 1px solid var(--border-hover);
  border-radius: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-light);
  white-space: nowrap;
}

.dock-item:hover .dock-tooltip {
  display: block;
}

/* ==========================================================================
   Scroll Animations
   ========================================================================== */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children inside experience */
.exp-entry.animate-in {
  transition-delay: 0.1s;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .navbar-inner {
    padding: 0.375rem 0.75rem;
  }

  .navbar-left {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .navbar-left::-webkit-scrollbar {
    display: none;
  }

  .navbar-link {
    white-space: nowrap;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
  }

  .navbar-icon {
    display: none;
  }

  .navbar-clock {
    display: none;
  }

  main {
    padding: 0.5rem 0.75rem 5rem;
  }

  .terminal-body {
    padding: 1rem;
  }

  .hero-top {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-name {
    font-size: 1.25rem;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn-terminal,
  .hero-ctas .btn-terminal-outline {
    width: 100%;
    justify-content: center;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .metric-value {
    font-size: 1.25rem;
  }

  .finder-layout {
    flex-direction: column;
  }

  .finder-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .finder-sidebar-label {
    width: 100%;
  }

  .folder-btn {
    width: auto;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
  }

  .exp-header {
    flex-direction: column;
    gap: 0.125rem;
  }

  .exp-sep {
    display: none;
  }

  .contact-title {
    font-size: 1.25rem;
  }

  .contact-actions {
    flex-direction: column;
    align-items: center;
  }

  .dock-inner {
    gap: 0.25rem;
    padding: 0.375rem 0.5rem;
  }

  .dock-item {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 1rem;
  }

  .dock-tooltip {
    display: none !important;
  }

  .section-block {
    margin-bottom: 2rem;
  }
}

@media (min-width: 640px) {
  main {
    padding: 1.5rem 1.5rem 5rem;
  }

  .dock-item {
    width: 3rem;
    height: 3rem;
  }

  .dock-inner {
    gap: 0.5rem;
    padding: 0.5rem 1rem;
  }
}