/*
 * Portfolio theme. Layered on top of the Start Bootstrap Resume base (styles.css).
 * Colours are driven by CSS variables so the dark/light toggle only flips [data-theme].
 */

:root {
  color-scheme: dark;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 14px;
  --radius-sm: 8px;
  --sidebar-w: 17rem;

  --bg: #0a0e14;
  --bg-elev: #0d1219;
  --surface: #111720;
  --surface-2: #161d28;
  --border: #1e2834;
  --border-strong: #2b3848;
  --text: #c3cfdd;
  --muted: #8392a5;
  --heading: #f1f5f9;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-2: #34d399;
  --accent-3: #a78bfa;
  --warn: #fbbf24;
  --on-accent: #03131c;
  --glow: rgba(56, 189, 248, 0.12);
  --glow-strong: rgba(56, 189, 248, 0.3);
  --ok-bg: rgba(52, 211, 153, 0.1);
  --ok-border: rgba(52, 211, 153, 0.28);
  --grid-dot: rgba(148, 163, 184, 0.07);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 30px 70px rgba(0, 0, 0, 0.5);

  --nav-bg: #06090d;
  --nav-border: #151d27;
  --nav-grid: rgba(56, 189, 248, 0.05);
  --term-bg: #05080c;
  --term-border: #1b2531;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f8fb;
  --bg-elev: #eef2f7;
  --surface: #ffffff;
  --surface-2: #f3f6fa;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #334155;
  --muted: #64748b;
  --heading: #0f172a;
  --accent: #0284c7;
  --accent-strong: #0369a1;
  --accent-2: #059669;
  --accent-3: #7c3aed;
  --warn: #b45309;
  --on-accent: #ffffff;
  --glow: rgba(2, 132, 199, 0.08);
  --glow-strong: rgba(2, 132, 199, 0.22);
  --ok-bg: rgba(5, 150, 105, 0.07);
  --ok-border: rgba(5, 150, 105, 0.25);
  --grid-dot: rgba(15, 23, 42, 0.06);
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 30px 70px rgba(15, 23, 42, 0.18);
  --nav-bg: #0b1220;
  --nav-border: #0b1220;
}

/* ── Base ─────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

@media (min-width: 992px) {
  html { scroll-padding-top: 0; }
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background-color: var(--bg);
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 26px 26px;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

::selection { background: var(--accent); color: var(--on-accent); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, .h1, h2, .h2, h3, .h3, h4, .h4, h5, .h5, h6, .h6 {
  font-family: var(--font-sans);
  text-transform: none;
  color: var(--heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.mono { font-family: var(--font-mono); }
.text-primary { color: var(--accent) !important; }
.is-hidden { display: none !important; }

kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(148, 163, 184, 0.1);
  color: inherit;
  box-shadow: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 2000;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.skip-link:focus { top: 1rem; color: var(--on-accent); }

/* ── Sidebar ──────────────────────────────────────────── */
#sideNav {
  background: var(--nav-bg);
  border-right: 1px solid var(--nav-border);
}

#sideNav::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--nav-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--nav-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
  pointer-events: none;
}

#sideNav > * { position: relative; }

#sideNav .navbar-brand { color: #f8fafc; font-weight: 700; }

.brand-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.brand-name { color: #f8fafc; font-size: 1.05rem; letter-spacing: -0.01em; }

.brand-role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: #7dd3fc;
}

#sideNav .navbar-nav .nav-item .nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: #94a3b8;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-index { margin-right: 0.75rem; font-size: 0.68rem; color: #475569; transition: color 0.2s ease; }

#sideNav .navbar-nav .nav-item .nav-link:hover,
#sideNav .navbar-nav .nav-item .nav-link.active {
  color: #f8fafc;
  background: rgba(56, 189, 248, 0.08);
}

#sideNav .navbar-nav .nav-item .nav-link.active .nav-index { color: #34d399; }

#sideNav .navbar-toggler { border-color: rgba(148, 163, 184, 0.3); }
#sideNav .navbar-toggler:focus { outline-color: #38bdf8; box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25); }

.sidebar-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0 0.5rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  height: 2.25rem;
  min-width: 2.25rem;
  padding: 0 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(148, 163, 184, 0.06);
  color: #cbd5e1;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.icon-btn:hover {
  border-color: rgba(56, 189, 248, 0.6);
  background: rgba(56, 189, 248, 0.12);
  color: #ffffff;
}

.theme-icon-light { display: none; }
[data-theme="light"] .theme-icon-light { display: inline-block; }
[data-theme="light"] .theme-icon-dark { display: none; }

@media (min-width: 992px) {
  #sideNav {
    text-align: left;
    overflow-y: auto;
    scrollbar-width: none;
  }

  #sideNav .navbar-brand { margin: 2.5rem auto 1.75rem; padding: 0; }

  #sideNav .navbar-brand .img-profile {
    max-width: 8.5rem;
    max-height: 8.5rem;
    border: 2px solid rgba(56, 189, 248, 0.45);
    box-shadow: 0 0 0 6px rgba(56, 189, 248, 0.07), 0 0 42px rgba(56, 189, 248, 0.22);
  }

  #sideNav .navbar-collapse {
    flex-direction: column;
    align-items: stretch;
    flex-grow: 1;
    margin-bottom: 0;
    padding: 0 1.25rem 1.5rem;
  }

  .sidebar-footer { margin-top: auto; padding-top: 1.5rem; border-top: 1px solid rgba(148, 163, 184, 0.12); }
}

/* ── Sections ─────────────────────────────────────────── */
section.resume-section {
  position: relative;
  max-width: 76rem;
  padding: 5rem 1.25rem;
}

@media (min-width: 768px) {
  section.resume-section { min-height: 0; }
  section.resume-section.hero { min-height: 100vh; }
}

@media (min-width: 992px) {
  section.resume-section { padding: 6rem 4rem; }
}

.section-head { margin-bottom: 2.25rem; }

.section-kicker {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-2);
}

.section-kicker::before { content: "$ "; color: var(--muted); }

.section-head h2 { margin: 0; font-size: clamp(2rem, 3.5vw, 2.75rem); }

.section-lede { max-width: 46rem; margin: 0.75rem 0 0; color: var(--muted); }

.subsection-title {
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Buttons ──────────────────────────────────────────── */
.btn-accent,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--on-accent);
  box-shadow: 0 8px 24px var(--glow-strong);
}

.btn-accent:hover {
  color: var(--on-accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--glow-strong);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--heading);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.social-icons { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.social-icons .social-icon {
  width: 2.6rem;
  height: 2.6rem;
  margin: 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 1.05rem;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.social-icons .social-icon:hover {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ── Hero ─────────────────────────────────────────────── */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(40rem 24rem at 85% 15%, var(--glow), transparent 70%),
    radial-gradient(30rem 20rem at 10% 90%, rgba(52, 211, 153, 0.06), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 1200px) {
  .hero-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 2.2s ease-out infinite;
}

.hero-name {
  margin: 1.25rem 0 0.75rem;
  font-size: clamp(2.75rem, 6vw, 4.6rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.text-gradient {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-role {
  min-height: 1.6em;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--heading);
}

.hero-role .prompt { color: var(--accent-2); }

.caret {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: -0.2em;
  background: var(--accent);
  animation: blink 1s step-end infinite;
}

.hero .lead { max-width: 40rem; color: var(--text); font-size: 1.06rem; line-height: 1.75; }
.hero .lead strong { color: var(--heading); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.75rem 0 1.5rem; }

/* ── Terminal ─────────────────────────────────────────── */
.terminal {
  display: flex;
  flex-direction: column;
  height: 27rem;
  overflow: hidden;
  border: 1px solid var(--term-border);
  border-radius: var(--radius);
  background: var(--term-bg);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #cbd5e1;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(148, 163, 184, 0.05);
}

.terminal-dot { width: 0.72rem; height: 0.72rem; border-radius: 50%; }
.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #febc2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title { flex: 1; padding-right: 3.5rem; text-align: center; font-size: 0.74rem; color: #64748b; }

.terminal-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.1rem;
  cursor: text;
  scrollbar-width: thin;
  scrollbar-color: #1e293b transparent;
}

.terminal-line { margin: 0; line-height: 1.65; white-space: pre-wrap; word-break: break-word; }
.terminal-line a { color: #7dd3fc; text-decoration: underline; text-underline-offset: 2px; }

.t-prompt { color: #34d399; }
.t-path { color: #38bdf8; }
.t-muted { color: #64748b; }
.t-accent { color: #38bdf8; }
.t-ok { color: #34d399; }
.t-warn { color: #fbbf24; }
.t-err { color: #f87171; }
.t-key { color: #c4b5fd; }
.t-head { color: #f8fafc; font-weight: 600; }

.terminal-form { display: flex; align-items: center; gap: 0.5rem; }

.terminal-input {
  flex: 1;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: #f8fafc;
  font: inherit;
  caret-color: #38bdf8;
}

.terminal-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.terminal-hint {
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 6px;
  background: rgba(148, 163, 184, 0.07);
  color: #94a3b8;
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.terminal-hint:hover { color: #f8fafc; border-color: rgba(56, 189, 248, 0.6); }

/* ── Metrics ──────────────────────────────────────────── */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}

.metric {
  position: relative;
  overflow: hidden;
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.metric::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0.25);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.metric:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.metric:hover::after { transform: scaleX(1); }

.metric-tag {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--muted);
}

.metric-tag::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent-2);
}

.metric-value {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--heading);
  font-variant-numeric: tabular-nums;
}

.metric-label { margin: 0.3rem 0 0; font-size: 0.82rem; color: var(--muted); }

/* ── Experience timeline ──────────────────────────────── */
.skill-filter-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 0.7rem 1rem;
  border: 1px dashed var(--accent);
  border-radius: var(--radius-sm);
  background: var(--glow);
  color: var(--heading);
  font-size: 0.9rem;
}

.skill-filter-banner[hidden] { display: none; }
.skill-filter-banner .btn-ghost { margin-left: auto; padding: 0.35rem 0.75rem; font-size: 0.8rem; }

.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.75rem;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 0.45rem;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2) 40%, var(--border) 85%);
}

.timeline-item {
  position: relative;
  margin-bottom: 1rem;
  transition: opacity 0.3s ease;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.4rem;
  left: -1.75rem;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 0 4px var(--bg);
}

.timeline-item.is-current::before {
  border-color: var(--accent-2);
  background: var(--accent-2);
  box-shadow: 0 0 0 4px var(--bg), 0 0 16px var(--accent-2);
}

.timeline-item.is-dimmed { opacity: 0.35; }

.timeline-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.timeline-card:hover,
.timeline-card[open] { border-color: var(--border-strong); }
.timeline-card:hover { box-shadow: var(--shadow); }

.timeline-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.15rem 1.5rem;
  padding: 1.1rem 1.25rem;
  list-style: none;
  cursor: pointer;
}

.timeline-summary::-webkit-details-marker { display: none; }

.tl-title { grid-column: 1; margin: 0; font-size: 1.12rem; }
.tl-org { grid-column: 1; color: var(--accent); font-size: 0.94rem; font-weight: 500; }
.timeline-summary .tl-meta { grid-column: 2; grid-row: 1 / span 2; }

@media (max-width: 575px) {
  .timeline-summary { grid-template-columns: minmax(0, 1fr); }
  .timeline-summary .tl-meta { grid-column: 1; grid-row: auto; margin-top: 0.4rem; }
}

.tl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
}

.tl-duration {
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
}

.tl-toggle { transition: transform 0.25s ease; }
.timeline-card[open] .tl-toggle { transform: rotate(180deg); }

.tl-body { padding: 0 1.25rem 1.25rem; }

.impact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.impact-chips li {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--ok-border);
  border-radius: 6px;
  background: var(--ok-bg);
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.tl-points { margin: 0; padding-left: 1.1rem; }
.tl-points li { margin-bottom: 0.45rem; padding: 0.1rem 0.4rem; border-radius: 6px; line-height: 1.65; transition: background 0.2s ease; }
.tl-points li::marker { color: var(--accent); }
.tl-points li.is-match { background: var(--glow); color: var(--heading); }

/* ── Cards shared by skills, projects, certs, blogs ───── */
.skill-grid,
.project-grid,
.cert-grid,
.blog-grid,
.interest-grid,
.award-grid {
  display: grid;
  gap: 1rem;
}

.skill-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.project-grid,
.blog-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.cert-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.interest-grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

.skill-card,
.project-card,
.cert-card,
.blog-card,
.interest-card,
.award-card,
.edu-item {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.skill-card:hover,
.cert-card:hover,
.blog-card:hover,
.interest-card:hover,
.award-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

/* Skills */
.skill-card h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
  font-size: 1rem;
}

.skill-icon {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  background: var(--glow);
  color: var(--accent);
  font-size: 0.85rem;
}

.skill-tags,
.interest-tags,
.blog-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.skill-tag,
.interest-tag {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  font-family: inherit;
  font-size: 0.78rem;
  line-height: 1.4;
}

button.skill-tag {
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

button.skill-tag:hover,
button.skill-tag[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--glow);
  color: var(--accent);
}

.skill-tag-count { margin-left: 0.35rem; font-family: var(--font-mono); font-size: 0.64rem; color: var(--muted); }

/* Projects */
.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--text);
}

.project-card:hover {
  color: var(--text);
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.project-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--heading);
  word-break: break-word;
}

.project-head i { color: var(--muted); }
.project-head .fa-arrow-up-right-from-square { margin-left: auto; font-size: 0.75rem; opacity: 0; transition: opacity 0.2s ease; }
.project-card:hover .project-head .fa-arrow-up-right-from-square { opacity: 1; }

.project-desc { flex: 1; margin: 0; font-size: 0.9rem; line-height: 1.6; }

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.lang-dot {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--lang-color, var(--accent));
}

/* Toolbar + filters */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.search-field { position: relative; flex: 1 1 260px; }

.search-field i {
  position: absolute;
  top: 50%;
  left: 0.85rem;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.85rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.65rem 0.9rem 0.65rem 2.3rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--heading);
  font-size: 0.92rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-input::placeholder { color: var(--muted); }
.search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--glow-strong); }

.chip-group { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.chip {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.chip:hover { border-color: var(--border-strong); color: var(--heading); }
.chip[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.chip-count { margin-left: 0.35rem; font-family: var(--font-mono); font-size: 0.68rem; opacity: 0.75; }

.result-count { margin-left: auto; font-family: var(--font-mono); font-size: 0.76rem; color: var(--muted); white-space: nowrap; }

.empty-state {
  padding: 2rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

.empty-state[hidden] { display: none; }

@media (max-width: 767px) {
  .result-count { width: 100%; margin-left: 0; }
}

/* Certifications */
.cert-card { display: flex; flex-direction: column; gap: 0.6rem; }

.cert-provider {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.cert-provider i { font-size: 1rem; color: var(--provider-color, var(--accent)); }
.cert-card h3 { flex: 1; margin: 0; font-size: 1rem; line-height: 1.4; }
.cert-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.84rem; font-weight: 600; }

[data-provider="aws"] { --provider-color: #ff9900; }
[data-provider="microsoft"] { --provider-color: #00a4ef; }
[data-provider="google"] { --provider-color: #34a853; }
[data-provider="gitlab"] { --provider-color: #fc6d26; }
[data-provider="cncf"] { --provider-color: #4f8cff; }
[data-provider="akamai"] { --provider-color: #1c9ad6; }

/* Blogs */
.blog-card { display: flex; flex-direction: column; gap: 0.6rem; }

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.blog-meta i { margin-right: 0.3rem; }
.blog-card h3 { margin: 0; font-size: 1.04rem; line-height: 1.4; }
.blog-card h3 a { color: var(--heading); }
.blog-card h3 a:hover { color: var(--accent); }
.blog-card p:not(.blog-meta) { flex: 1; margin: 0; font-size: 0.9rem; line-height: 1.6; }
.blog-tag { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent-3); }
.blog-tag::before { content: "#"; opacity: 0.6; }

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

.live-badge .dot { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--muted); }
.live-badge.is-live .dot { background: var(--accent-2); animation: pulse 2.2s ease-out infinite; }

.section-foot { margin-top: 1.5rem; font-size: 0.9rem; }

/* Education + awards */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }

@media (min-width: 1200px) {
  .two-col { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
}

.edu-list { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.edu-item h3 { margin: 0 0 0.3rem; font-size: 1.02rem; line-height: 1.4; }
.edu-item p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.edu-date { display: block; margin-bottom: 0.4rem; font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); }

.award-card { display: flex; align-items: flex-start; gap: 0.9rem; }
.award-card i { margin-top: 0.2rem; font-size: 1.2rem; color: var(--warn); }
.award-card h3 { margin: 0 0 0.25rem; font-size: 1rem; }
.award-card p { margin: 0; color: var(--muted); font-size: 0.88rem; }

/* Interests */
.interest-card h3 { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.6rem; font-size: 1.02rem; }
.interest-card p { margin-bottom: 0.8rem; font-size: 0.9rem; line-height: 1.6; }

/* ── Contact + footer ─────────────────────────────────── */
.contact-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  overflow: hidden;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
}

.contact-card::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 26rem;
  height: 26rem;
  background: radial-gradient(circle, var(--glow-strong), transparent 65%);
  pointer-events: none;
}

.contact-card > * { position: relative; }

@media (min-width: 992px) {
  .contact-card { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: center; padding: 2.75rem; }
}

.contact-card h3 { margin-bottom: 0.75rem; font-size: clamp(1.5rem, 2.5vw, 2rem); }
.contact-card p { color: var(--text); line-height: 1.7; }

.contact-links { display: grid; gap: 0.6rem; margin: 0; padding: 0; list-style: none; }

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--heading);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.contact-link:hover { transform: translateX(4px); border-color: var(--accent); color: var(--heading); }
.contact-link i { width: 1.25rem; color: var(--accent); text-align: center; }
.contact-link .contact-handle { margin-left: auto; font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  max-width: 76rem;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
}

@media (min-width: 992px) {
  .site-footer { margin: 0 4rem; padding: 2rem 0 3rem; }
}

.deploy-status { display: inline-flex; align-items: center; gap: 0.5rem; }
.deploy-status .dot { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--accent-2); }

/* ── Floating UI ──────────────────────────────────────── */
#scrollProgress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  transform: scaleX(0);
  transform-origin: left;
}

#backToTop {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1100;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface);
  color: var(--heading);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

#backToTop.is-visible { opacity: 1; pointer-events: auto; transform: none; }
#backToTop:hover { border-color: var(--accent); color: var(--accent); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 1300;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  background: var(--heading);
  color: var(--bg);
  box-shadow: var(--shadow);
  font-size: 0.86rem;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 992px) {
  .toast { left: calc(50% + var(--sidebar-w) / 2); }
}

/* ── Command palette ──────────────────────────────────── */
.palette {
  width: min(36rem, calc(100vw - 2rem));
  margin: 12vh auto auto;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lg);
}

.palette::backdrop { background: rgba(2, 6, 12, 0.6); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }

.palette-search {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.palette-input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--heading);
  font-size: 1rem;
}

.palette-list { max-height: 22rem; margin: 0; padding: 0.5rem; overflow-y: auto; list-style: none; }

.palette-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  cursor: pointer;
}

.palette-item i { width: 1.1rem; color: var(--muted); text-align: center; }
.palette-item[aria-selected="true"] { background: var(--glow-strong); color: var(--heading); }
.palette-item[aria-selected="true"] i { color: var(--accent); }
.palette-group { margin-left: auto; font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); }
.palette-empty { padding: 1.25rem; color: var(--muted); text-align: center; }

.palette-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.6rem 1.1rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
}

/* ── Motion ───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible { opacity: 1; transform: none; }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

@keyframes blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal { opacity: 1; transform: none; }
}

/* ── Print: a clean one-column résumé ─────────────────── */
@media print {
  #sideNav,
  .terminal,
  .toolbar,
  .hero-actions,
  .social-icons,
  #backToTop,
  #scrollProgress,
  .toast,
  .palette,
  .skill-filter-banner,
  .tl-toggle,
  .site-footer { display: none !important; }

  body { padding: 0 !important; background: #fff; color: #111; }
  section.resume-section { min-height: 0 !important; padding: 1.5rem 0; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .timeline-item { opacity: 1 !important; break-inside: avoid; }
}