/* ============================================================
   PATCHMEIFUCAN — Design System
   Terminal-grade dark aesthetic | Ömer Can Vural
   ============================================================ */

/* ─── Google Fonts ──────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Syne:wght@700;800&display=swap');

/* ─── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ─── Design tokens ─────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-0:         #06060b;   /* Page base */
  --bg-1:         #0b0b14;   /* Section alt */
  --bg-2:         #0f0f1c;   /* Card background */
  --bg-3:         #141427;   /* Card hover */
  --bg-overlay:   rgba(6, 6, 11, 0.85);

  /* Core accent: neon green */
  --green:        #00ff88;
  --green-2:      #00cc6a;
  --green-dim:    rgba(0, 255, 136, 0.15);
  --green-glow:   rgba(0, 255, 136, 0.25);
  --green-glow-s: rgba(0, 255, 136, 0.08);

  /* Secondary accent: electric blue */
  --blue:         #0af;
  --blue-dim:     rgba(0, 170, 255, 0.12);

  /* Severity colors */
  --red:          #ff3355;
  --red-dim:      rgba(255, 51, 85, 0.12);
  --amber:        #ffaa00;
  --amber-dim:    rgba(255, 170, 0, 0.12);
  --yellow:       #ffe066;

  /* Text */
  --text-0:       #eeeef8;   /* Primary */
  --text-1:       #9999b8;   /* Secondary */
  --text-2:       #555575;   /* Muted */
  --text-accent:  var(--green);

  /* Borders */
  --border:       #1a1a2e;
  --border-2:     #22223a;
  --border-accent: rgba(0, 255, 136, 0.2);

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Layout */
  --max-w:        1200px;
  --nav-h:        64px;

  /* Motion */
  --t-fast:       0.18s ease;
  --t-med:        0.35s ease;
  --t-slow:       0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ─── Base ──────────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--green-2) var(--bg-0);
}
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--green-2); border-radius: 3px; }
::selection { background: var(--green); color: var(--bg-0); }

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-0);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scanline effect */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9000;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.025) 2px, rgba(0,0,0,0.025) 4px
  );
}

/* ─── Fixed background watermark ────────────────────────────── */
.bg-watermark {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(360px, 65vw, 750px);
  aspect-ratio: 1;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  mix-blend-mode: screen;
  filter: blur(1px);
}
.bg-watermark img { width: 100%; height: 100%; object-fit: contain; }

/* ─── Container ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
  width: 100%;
}

/* ─── Section divider ───────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2), transparent);
  margin: 0 clamp(1.25rem, 5vw, 3rem);
}

/* ─── Reveal animation ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--t-slow), transform 0.7s var(--t-slow);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }
.reveal-d5 { transition-delay: 0.5s; }

/* ─── Section label / heading system ───────────────────────────*/
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  color: var(--text-0);
}
.section-title .accent { color: var(--green); }
.section-body {
  font-size: 1rem;
  color: var(--text-1);
  max-width: 640px;
  line-height: 1.75;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--t-fast);
  cursor: pointer;
}
.btn-primary {
  background: var(--green);
  color: var(--bg-0);
  border: 1px solid var(--green);
}
.btn-primary:hover {
  background: transparent;
  color: var(--green);
  box-shadow: 0 0 16px var(--green-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text-0);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 10px var(--green-glow);
}
.btn svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ─── Tag / badge pills ─────────────────────────────────────── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  color: var(--text-1);
}
.tag-green  { background: var(--green-dim); border-color: var(--border-accent); color: var(--green); }
.tag-red    { background: var(--red-dim);   border-color: rgba(255,51,85,0.25); color: var(--red); }
.tag-amber  { background: var(--amber-dim); border-color: rgba(255,170,0,0.25); color: var(--amber); }
.tag-blue   { background: var(--blue-dim);  border-color: rgba(0,170,255,0.25); color: var(--blue); }

/* Severity badges */
.sev { padding: 0.15rem 0.5rem; border-radius: 3px; font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.sev-critical { background: rgba(255,0,60,0.18); color: #ff3355; border: 1px solid rgba(255,0,60,0.35); }
.sev-high     { background: rgba(255,100,0,0.15); color: #ff6622; border: 1px solid rgba(255,100,0,0.3); }
.sev-medium   { background: rgba(255,170,0,0.13); color: #ffaa00; border: 1px solid rgba(255,170,0,0.28); }
.sev-low      { background: rgba(0,255,136,0.1);  color: #00cc6a; border: 1px solid rgba(0,255,136,0.2); }
.sev-unknown  { background: var(--bg-3); color: var(--text-2); border: 1px solid var(--border); }

/* Impact type badges */
.badge { padding: 0.15rem 0.45rem; border-radius: 2px; font-family: var(--font-mono); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.badge-rce      { background: rgba(255,0,60,0.2);    color: #ff3355; }
.badge-eop      { background: rgba(255,100,0,0.18);  color: #ff8844; }
.badge-info     { background: rgba(0,170,255,0.15);  color: #44aaff; }
.badge-dos      { background: rgba(200,50,200,0.15); color: #cc88ff; }
.badge-sfb      { background: rgba(255,220,0,0.14);  color: #ffcc00; }
.badge-default  { background: var(--bg-3); color: var(--text-2); }

/* ─── NAVIGATION ─────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  background: rgba(6, 6, 11, 0.88);
  backdrop-filter: blur(12px) saturate(150%);
  border-bottom: 1px solid var(--border);
  transition: border-color var(--t-med);
}
.nav.scrolled { border-color: var(--border-2); }
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.75rem;
  text-decoration: none;
}
.nav-logo-img {
  width: 30px; height: 30px; object-fit: contain;
  filter: drop-shadow(0 0 8px var(--green-glow));
}
.nav-logo-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-0);
}
.nav-logo-text .g { color: var(--green); }

.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-1);
  padding: 0.35rem 0.75rem;
  border-radius: 3px;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a:hover, .nav-links a.active { color: var(--green); }
.nav-links a.active::after {
  content: '';
  display: block;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--green);
  margin: 2px auto 0;
}

.nav-right { display: flex; align-items: center; gap: 0.75rem; }

/* Language switcher */
.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-1);
  border: 1px solid var(--border-2);
  border-radius: 3px;
  padding: 0.25rem 0.55rem;
  transition: all var(--t-fast);
}
.lang-btn:hover { color: var(--green); border-color: var(--border-accent); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text-1);
  transition: all var(--t-fast);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: rgba(6, 6, 11, 0.98);
  backdrop-filter: blur(12px);
  z-index: 999;
  padding: 2rem clamp(1.25rem, 5vw, 3rem);
  flex-direction: column;
  gap: 1rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-1);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--t-fast);
}
.nav-mobile a:hover { color: var(--green); }

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 3rem) clamp(1.25rem, 5vw, 3rem) 4rem;
  overflow: hidden;
}

/* Grid background */
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 40%, transparent 100%);
}
/* Gradient orbs (background) */
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%; left: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0, 136, 255, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.5rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border-accent);
  border-radius: 2px;
  background: var(--green-dim);
}
.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 0.95;
  margin-bottom: 0.4rem;
  color: var(--text-0);
}
.hero-name .accent { color: var(--green); }
.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-1);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}
.hero-title .delim { color: var(--green); margin: 0 0.5em; }

.hero-motto {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-style: italic;
  color: var(--text-2);
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--border-accent);
}

.hero-stack {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  align-items: center;
}
.hero-social-icons { display: flex; gap: 0.5rem; }
.hero-social-icons a {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid var(--border-2);
  border-radius: 4px;
  color: var(--text-1);
  transition: all var(--t-fast);
}
.hero-social-icons a:hover {
  color: var(--green);
  border-color: var(--border-accent);
  background: var(--green-dim);
  box-shadow: 0 0 10px var(--green-glow);
}
.hero-social-icons svg { width: 16px; height: 16px; }

/* Terminal typewriter */
.hero-terminal {
  display: inline-flex; align-items: center; gap: 0;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-1);
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 0.6rem 1rem;
}
.hero-terminal::before {
  content: '$ ';
  color: var(--green);
  margin-right: 0.25rem;
}
.cursor {
  display: inline-block; width: 8px; height: 14px;
  background: var(--green); margin-left: 2px;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Scroll indicator */
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-2);
  animation: fade-up-loop 3s ease-in-out infinite;
}
.scroll-hint svg { width: 14px; }
@keyframes fade-up-loop {
  0%, 100% { opacity: 0; transform: translateX(-50%) translateY(6px); }
  40%, 60% { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ─── HOMEPAGE CONTENT GRID ──────────────────────────────────── */
/* Below the hero: two columns on desktop, stacked on mobile */
.home-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem clamp(1.25rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
}
@media (max-width: 900px) {
  .home-grid { grid-template-columns: 1fr; }
}

/* ─── SECTION WRAPPER ─────────────────────────────────────────── */
.section {
  padding: 5rem clamp(1.25rem, 5vw, 3rem);
  position: relative;
}
.section-alt { background: var(--bg-1); }

/* ─── PROJECT CARDS ──────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.project-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 2px;
  background: transparent;
  transition: background var(--t-fast);
}
.project-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-3);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 255, 136, 0.07);
}
.project-card:hover::before { background: var(--green); }

.project-card-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem;
}
.project-card-icon {
  width: 20px; height: 20px; flex-shrink: 0;
  color: var(--text-2);
}
.project-card-type {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}
.project-card-featured { color: var(--green); }

.project-card h3 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-0);
  line-height: 1.3;
}
.project-card-desc {
  font-size: 0.82rem;
  color: var(--text-1);
  line-height: 1.6;
  flex: 1;
}

.project-card-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }

.project-card-meta {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-2);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: auto;
}
.project-card-stat { display: flex; align-items: center; gap: 0.3rem; }
.project-card-stat svg { width: 12px; height: 12px; }

/* ─── BLOG POSTS ─────────────────────────────────────────────── */
.blog-list { display: flex; flex-direction: column; gap: 0; }
.blog-item {
  display: flex; flex-direction: column; gap: 0.3rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: color var(--t-fast);
}
.blog-item:hover .blog-item-title { color: var(--green); }
.blog-item:first-child { padding-top: 0; }

.blog-item-meta {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--text-2); letter-spacing: 0.05em;
}
.blog-item-meta .dot { color: var(--green); }
.blog-item-title {
  font-size: 0.92rem; font-weight: 600;
  color: var(--text-0); line-height: 1.35;
  transition: color var(--t-fast);
}
.blog-item-excerpt {
  font-size: 0.8rem; color: var(--text-1); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-item-tags { display: flex; flex-wrap: wrap; gap: 0.25rem; }

.blog-show-all {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--green); letter-spacing: 0.08em;
  margin-top: 1rem;
  transition: gap var(--t-fast);
}
.blog-show-all:hover { gap: 0.65rem; }
.blog-show-all svg { width: 12px; }

/* ─── VULN TRACKER HEATMAP ───────────────────────────────────── */
.vuln-section-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  margin-bottom: 1.5rem;
}
.vuln-heatmap-wrapper {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  overflow: hidden;
}
.heatmap-container {
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

/* Heatmap legend */
.heatmap-legend {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem;
  margin-top: 1rem;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--text-1);
  align-items: center;
}
.heatmap-legend-item { display: flex; align-items: center; gap: 0.4rem; }
.heatmap-legend-dot {
  width: 12px; height: 12px; border-radius: 2px;
}
/* Scale: empty → low → medium → high → critical (5 boxes like GitHub) */
.heatmap-scale {
  display: flex; align-items: center; gap: 3px;
  margin-left: auto;
}
.heatmap-scale-box {
  width: 12px; height: 12px; border-radius: 2px;
}

/* Vuln table */
.vuln-table-wrapper { margin-top: 2rem; overflow-x: auto; }
.vuln-impacts-wrapper { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.vuln-search-bar {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1rem;
}
.vuln-search-input {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: 0.5rem 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-0);
  outline: none;
  transition: border-color var(--t-fast);
}
.vuln-search-input::placeholder { color: var(--text-2); }
.vuln-search-input:focus { border-color: var(--border-accent); }

.vuln-filters {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin-bottom: 1rem;
}
.filter-btn {
  font-family: var(--font-mono); font-size: 0.68rem;
  padding: 0.25rem 0.65rem; border-radius: 3px;
  border: 1px solid var(--border-2); color: var(--text-1);
  transition: all var(--t-fast);
  cursor: pointer;
  background: var(--bg-2);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--green); color: var(--green); background: var(--green-dim);
}
.filter-btn.filter-critical.active { border-color: var(--red); color: var(--red); background: var(--red-dim); }
.filter-btn.filter-rce.active { border-color: #ff3355; color: #ff3355; background: rgba(255,51,85,0.1); }

.vuln-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.vuln-table th {
  font-family: var(--font-mono); font-size: 0.75rem;
  font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-0);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-2);
  text-align: left;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.vuln-table th:hover { color: var(--green); }
.vuln-table th .sort-icon { color: var(--green); margin-left: 0.25rem; }
.vuln-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.vuln-table tr:hover td { background: var(--bg-2); }
.vuln-cve-id {
  font-family: var(--font-mono); font-size: 0.75rem;
  font-weight: 600; color: var(--green);
  white-space: nowrap;
}
.vuln-cve-id a { color: inherit; }
.vuln-cve-id a:hover { text-decoration: underline; }
.vuln-title { font-weight: 500; max-width: 360px; }
.vuln-products { font-size: 0.75rem; color: var(--text-2); max-width: 200px; }
.vuln-impacts-wrapper { display: flex; flex-wrap: wrap; gap: 0.2rem; }
.vuln-score {
  font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700;
  text-align: center;
}
.score-critical { color: var(--red); }
.score-high     { color: #ff6622; }
.score-medium   { color: var(--amber); }
.score-low      { color: var(--green); }

/* Vuln table empty/loading state */
.vuln-empty {
  text-align: center; padding: 3rem;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-2);
}

/* Sort arrow indicator */
.sort-asc::after  { content: ' ↑'; }
.sort-desc::after { content: ' ↓'; }

/* ─── ABOUT SECTION ──────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2.5rem;
}
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }

.about-text p { color: var(--text-1); font-size: 0.97rem; line-height: 1.8; margin-bottom: 1rem; }
.about-text strong { color: var(--text-0); font-weight: 600; }

.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
}
.stat-box {
  background: var(--bg-2); padding: 1.5rem; text-align: center;
  transition: background var(--t-fast);
}
.stat-box:hover { background: var(--bg-3); }
.stat-value {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  color: var(--green); line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-label { font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }

/* ─── EXPERIENCE TIMELINE ────────────────────────────────────── */
.timeline { position: relative; padding-left: 1.5rem; margin-top: 2rem; }
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 0.5rem; bottom: 0;
  width: 1px; background: var(--border-2);
}
.timeline-item { position: relative; padding-bottom: 2.5rem; }
.timeline-item::before {
  content: '';
  position: absolute; left: -1.5rem; top: 0.4rem;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  transform: translateX(-3.5px);
}
.timeline-company {
  font-family: var(--font-body); font-size: 1rem; font-weight: 700;
  color: var(--text-0); margin-bottom: 0.15rem;
}
.timeline-role {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--green); letter-spacing: 0.05em; margin-bottom: 0.25rem;
}
.timeline-meta {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--text-2); margin-bottom: 0.75rem; letter-spacing: 0.05em;
}
.timeline-highlights { list-style: none; }
.timeline-highlights li {
  font-size: 0.88rem; color: var(--text-1); line-height: 1.65;
  padding: 0.2rem 0; padding-left: 1rem; position: relative;
  margin-bottom: 0.25rem;
}
.timeline-highlights li::before {
  content: '›'; position: absolute; left: 0; color: var(--green);
}
.timeline-highlights li strong { color: var(--text-0); font-weight: 600; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.75rem; }

/* ─── SKILLS SECTION ─────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.skill-category {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 6px;
  padding: 1.25rem;
}
.skill-category-title {
  font-family: var(--font-mono); font-size: 0.72rem;
  font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--green); margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.skill-category-title::before {
  content: '//'; color: var(--text-2); font-weight: 400;
}
.skill-list { display: flex; flex-wrap: wrap; gap: 0.35rem; }

/* ─── CERTIFICATIONS ─────────────────────────────────────────── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.cert-card {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 5px;
  padding: 1rem; display: flex; gap: 0.75rem; align-items: flex-start;
}
.cert-status {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 0.35rem;
}
.cert-status-progress { background: var(--amber); box-shadow: 0 0 6px rgba(255,170,0,0.5); animation: pulse-dot 2s infinite; }
.cert-status-done     { background: var(--green); box-shadow: 0 0 6px var(--green-glow); }
.cert-name { font-size: 0.85rem; font-weight: 600; color: var(--text-0); margin-bottom: 0.2rem; }
.cert-issuer { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-2); }
.cert-date { font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-2); margin-top: 0.15rem; }

/* ─── CONTACT SECTION ────────────────────────────────────────── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  margin-top: 2.5rem;
}
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-channels { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.contact-channel {
  display: flex; align-items: center; gap: 1rem;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 5px;
  padding: 0.875rem 1rem;
  transition: border-color var(--t-fast), background var(--t-fast);
  text-decoration: none; color: inherit;
}
.contact-channel:hover { border-color: var(--border-accent); background: var(--bg-3); }
.contact-channel-icon {
  width: 36px; height: 36px; border-radius: 4px;
  background: var(--bg-3); border: 1px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--green); flex-shrink: 0;
}
.contact-channel-icon svg { width: 16px; height: 16px; }
.contact-channel-label { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.1em; }
.contact-channel-val { font-size: 0.88rem; font-weight: 500; color: var(--text-0); }

/* PGP key block */
.pgp-block {
  background: var(--bg-2); border: 1px solid var(--border-2); border-radius: 5px;
  padding: 1.25rem; margin-top: 1.5rem;
}
.pgp-header {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--green);
  margin-bottom: 0.5rem; letter-spacing: 0.06em;
}
.pgp-fingerprint {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-1);
  word-break: break-all; line-height: 1.6;
}
.pgp-download {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--green); margin-top: 0.75rem;
  text-decoration: none; letter-spacing: 0.05em;
}
.pgp-download:hover { text-decoration: underline; }

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1.25rem, 5vw, 3rem);
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-copy {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-2); letter-spacing: 0.05em;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-2); letter-spacing: 0.08em; text-transform: uppercase; transition: color var(--t-fast); }
.footer-links a:hover { color: var(--green); }

/* ─── BLOG POST PAGE ─────────────────────────────────────────── */
.post-container {
  max-width: 820px; margin: calc(var(--nav-h) + 2rem) auto 4rem;
  background: var(--bg-0);
  border-radius: 8px; border: 1px solid var(--border);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  position: relative; z-index: 10;
  overflow: hidden;
}
.post-header {
  max-width: 760px; margin: 0 auto;
  padding: 3rem clamp(1.25rem, 5vw, 3rem) 2rem;
}
.post-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-2); margin-bottom: 1rem; }
.post-title { font-family: var(--font-display); font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.15; margin-bottom: 0.75rem; }
.post-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 1rem; }
.post-divider { border: none; border-top: 1px solid var(--border-2); margin: 2rem 0; }
.post-body {
  max-width: 760px; margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem) 5rem;
  color: var(--text-1); font-size: 0.97rem; line-height: 1.85;
}
.post-body h1, .post-body h2, .post-body h3 { color: var(--text-0); font-family: var(--font-display); line-height: 1.2; margin: 2rem 0 0.75rem; }
.post-body h2 { font-size: 1.4rem; font-weight: 800; border-bottom: 1px solid var(--border-2); padding-bottom: 0.4rem; }
.post-body h3 { font-size: 1.1rem; font-weight: 700; }
.post-body p { margin-bottom: 1.25rem; }
.post-body a { color: var(--green); text-decoration: underline; }
.post-body code { font-family: var(--font-mono); font-size: 0.85em; background: var(--bg-2); border: 1px solid var(--border); border-radius: 3px; padding: 0.1em 0.4em; color: var(--green); }
.post-body pre { background: var(--bg-2); border: 1px solid var(--border-2); border-radius: 5px; padding: 1.25rem; overflow-x: auto; margin: 1.5rem 0; }
.post-body pre code { background: none; border: none; padding: 0; }
.post-body blockquote { border-left: 2px solid var(--border-accent); padding-left: 1.25rem; margin: 1.5rem 0; color: var(--text-2); font-style: italic; }
.post-body ul, .post-body ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.post-body li { margin-bottom: 0.4rem; }
.post-nav {
  max-width: 760px; margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3rem) 4rem;
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.post-nav-link {
  flex: 1; min-width: 200px;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 5px;
  padding: 1rem; text-decoration: none; color: var(--text-1); transition: all var(--t-fast);
}
.post-nav-link:hover { border-color: var(--border-accent); color: var(--text-0); }
.post-nav-label { font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-2); margin-bottom: 0.35rem; }
.post-nav-title { font-weight: 600; font-size: 0.88rem; }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-name { font-size: clamp(2.2rem, 10vw, 3.5rem); }
  .projects-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* ─── UTILITIES ──────────────────────────────────────────────── */
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.text-mono { font-family: var(--font-mono); }
.text-green { color: var(--green); }
.text-dim { color: var(--text-2); }
.text-sm { font-size: 0.82rem; }
.text-xs { font-size: 0.72rem; }
.fw-600 { font-weight: 600; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.show-all-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--green); margin-top: 1.5rem;
  transition: gap var(--t-fast);
  text-decoration: none;
}
.show-all-link:hover { gap: 0.7rem; }
.show-all-link svg { width: 12px; }

/* ─── ASCII BACKGROUND ───────────────────────────────────────── */
#ascii-container {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.15;
  will-change: transform, opacity, contents;
  transform: translateZ(0);
}
#ascii-container pre {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  margin: 0; padding: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9vw;
  line-height: 1.05;
  font-weight: 100;
  color: var(--text-2);
  user-select: none;
  white-space: pre;
  overflow: hidden;
}
.logo-char {
  color: #00FF41 !important;
  text-shadow: 0 0 5px rgba(0, 255, 65, 0.8);
  font-weight: bold;
}
.glitch-char {
  color: #00FF41 !important;
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.8);
  font-weight: bold;
  opacity: 0.8; 
}
@media (max-width: 900px) { #ascii-container pre { font-size: 1.5vw; } }
@media (max-width: 700px) { #ascii-container pre { font-size: 2.5vw; } }