/* ═══════════════════════════════════════════════
   CANBERK KILICARSLAN — canberk.me
   Expert System Engineer Portfolio
   Dark / Terminal / Infra Aesthetic
═══════════════════════════════════════════════ */

/* ── Variables ───────────────────────────────── */
:root {
  --bg:        #080c10;
  --bg2:       #0b1017;
  --bg3:       #0f161e;
  --surface:   #111921;
  --surface2:  #172030;
  --border:    rgba(0,220,180,0.12);
  --border2:   rgba(0,220,180,0.06);

  --cyan:      #00ddb4;
  --cyan-dim:  rgba(0,221,180,0.15);
  --cyan-glow: rgba(0,221,180,0.35);
  --green:     #39ff9e;
  --green-dim: rgba(57,255,158,0.12);
  --blue:      #4da6ff;
  --red:       #ff4d6d;
  --yellow:    #ffd166;

  --heading:   #ffffff;
  --text:      #c8d8e8;
  --text-dim:  #5e7a8a;
  --text-muted:#3d5060;

  --mono:      'JetBrains Mono', 'Fira Code', monospace;
  --sans:      'Syne', sans-serif;

  --radius:    4px;
  --radius-lg: 8px;

  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}


/* ── Light mode ─────────────────────────────── */
body.light {
  --bg:        #f0f4f8;
  --bg2:       #e8edf3;
  --bg3:       #dde4ed;
  --surface:   #ffffff;
  --surface2:  #eef2f7;
  --border:    rgba(0,140,115,0.2);
  --border2:   rgba(0,140,115,0.1);
  --cyan:      #0090a0;
  --cyan-dim:  rgba(0,144,160,0.12);
  --cyan-glow: rgba(0,144,160,0.25);
  --green:     #1a9c5b;
  --green-dim: rgba(26,156,91,0.12);
  --blue:      #2565c7;
  --red:       #c73050;
  --yellow:    #9a6500;
  --heading:   #0d1a24;
  --text:      #1a2733;
  --text-dim:  #426070;
  --text-muted:#7a9aaa;
}
body.light .scanlines { opacity:0.06; }
body.light .grain     { opacity:0.015; }
body.light .bg-grid {
  background-image:
    linear-gradient(rgba(0,144,160,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,144,160,0.05) 1px, transparent 1px);
}
body.light #nav { background:rgba(240,244,248,0.9); }
body.light .hero-name { color:#0d1a24; }
body.light .terminal-window {
  box-shadow: 0 0 20px rgba(0,144,160,0.07), 0 8px 32px rgba(0,0,0,0.06);
}

/* ── Reset ───────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color:inherit; text-decoration:none; }
ul { list-style:none; }
img { display:block; max-width:100%; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
::selection { background:var(--cyan-dim); color:var(--cyan); }

/* ── Atmosphere layers ───────────────────────── */
.scanlines {
  position:fixed; inset:0; z-index:1000; pointer-events:none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 3px,
    rgba(0,0,0,0.08) 3px, rgba(0,0,0,0.08) 4px
  );
  opacity: 0.35;
}

.grain {
  position:fixed; inset:0; z-index:999; pointer-events:none; opacity:0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px;
}

.bg-grid {
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(0,221,180,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,221,180,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── Navigation ──────────────────────────────── */
#nav {
  position: fixed; top:0; left:0; right:0; z-index:500;
  background: rgba(8,12,16,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border2);
  transition: border-color var(--transition);
}
#nav.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  max-width: 1400px; margin:0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display:flex; align-items:center; gap:0.8rem;
  flex-wrap:nowrap; overflow:visible;
}

.nav-logo {
  display:flex; align-items:center; gap:0.4rem;
  font-family: var(--mono); font-size:1rem; font-weight:700;
  color: var(--text);
  user-select:none;
}
.nav-logo .prompt-char { color: var(--cyan); font-size:1.2rem; }
.nav-logo-text .accent { color:var(--cyan); }

.nav-links {
  display:flex; gap:1.2rem; margin-left:auto;
  flex-shrink:1;
}
.nav-links a {
  font-family:var(--mono); font-size:0.7rem;
  color: var(--text-dim); letter-spacing:0.03em; text-transform:lowercase;
  transition: color var(--transition);
  position:relative; white-space:nowrap;
}
.nav-links a::before {
  content: attr(data-label) ' ';
  color: var(--cyan); opacity:0; font-size:0.6rem;
  transition: opacity var(--transition);
}
.nav-links a:hover { color:var(--cyan); }
.nav-links a:hover::before { opacity:1; }

.nav-burger {
  display:none; flex-direction:column; gap:5px; padding:4px; margin-left:auto;
}
.nav-burger span {
  display:block; width:22px; height:2px;
  background:var(--text-dim); border-radius:1px;
  transition: all var(--transition);
}

.nav-mobile {
  display:none; flex-direction:column; gap:0;
  border-top:1px solid var(--border2);
}
.nav-mobile a {
  display:block; padding:0.75rem 2rem;
  font-family:var(--mono); font-size:0.85rem; color:var(--text-dim);
  border-bottom:1px solid var(--border2);
  transition:color var(--transition), background var(--transition);
}
.nav-mobile a:hover { color:var(--cyan); background:var(--surface); }
.nav-mobile.open { display:flex; }

/* ── Hero ────────────────────────────────────── */
#hero {
  position:relative; z-index:1;
  min-height:100vh; padding-top:60px;
  display:flex; flex-direction:column;
  justify-content:center; align-items:center;
  overflow:hidden;
}

/* Radial glow */
#hero::before {
  content:''; position:absolute;
  top:20%; left:50%; transform:translate(-50%,-50%);
  width:600px; height:600px; border-radius:50%;
  background: radial-gradient(ellipse at center, rgba(0,221,180,0.06) 0%, transparent 70%);
  pointer-events:none;
}

/* Status bar */
.hero-status-bar {
  position:absolute; top:74px; left:50%; transform:translateX(-50%);
  display:flex; gap:1.5rem; align-items:center;
  font-family:var(--mono); font-size:0.65rem;
  color:var(--text-muted); letter-spacing:0.06em;
  white-space:nowrap;
}
.status-item { display:flex; align-items:center; gap:0.4rem; }
.dot { display:inline-block; width:6px; height:6px; border-radius:50%; }
.dot.green { background:var(--green); box-shadow:0 0 6px var(--green); animation:blink 2.5s infinite; }
.dot.cyan  { background:var(--cyan);  box-shadow:0 0 6px var(--cyan); }
.dot.sm    { width:5px; height:5px; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* Terminal window */
.hero-terminal {
  width:100%; max-width:700px;
  padding:0 1.5rem;
  margin-bottom:3rem;
  opacity:0; transform:translateY(20px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
.hero-terminal.visible { opacity:1; transform:none; }

.terminal-window {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow: 0 0 40px rgba(0,221,180,0.08), 0 20px 60px rgba(0,0,0,0.5);
  overflow:hidden;
}
.terminal-titlebar {
  display:flex; align-items:center; gap:6px;
  padding:0.6rem 1rem;
  background:var(--surface2);
  border-bottom:1px solid var(--border2);
}
.tb-dot {
  width:12px; height:12px; border-radius:50%;
}
.tb-dot.red    { background:#ff5f57; }
.tb-dot.yellow { background:#febc2e; }
.tb-dot.green  { background:#28c840; }
.tb-title {
  margin-left:0.5rem;
  font-family:var(--mono); font-size:0.7rem; color:var(--text-muted);
}

.terminal-body {
  padding:1.2rem 1.5rem 0.6rem;
  min-height:180px; max-height:280px;
  overflow-y:auto;
  font-family:var(--mono); font-size:0.78rem; line-height:1.8;
  color:var(--text);
}
.t-line { display:block; }
.t-prompt { color:var(--cyan); }
.t-cmd    { color:var(--text); }
.t-out    { color:var(--text-dim); }
.t-key    { color:var(--green); }
.t-val    { color:var(--cyan); }
.t-comment{ color:var(--text-muted); }
.t-success{ color:var(--green); }
.t-cursor {
  display:inline-block; width:8px; height:14px;
  background:var(--cyan); opacity:1; vertical-align:middle;
  animation:blink-cursor 1s step-end infinite;
}
@keyframes blink-cursor { 0%,100%{opacity:1} 50%{opacity:0} }

/* Hero content */
.hero-content {
  text-align:center;
  opacity:0; transform:translateY(30px);
  transition:opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}
.hero-content.visible { opacity:1; transform:none; }

.hero-name {
  font-family:var(--sans);
  font-size:clamp(2.8rem,7vw,5.5rem);
  font-weight:800;
  line-height:1.0;
  letter-spacing:-0.02em;
  color:var(--heading);
  margin-bottom:0.5rem;
}
.hero-surname {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 60%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.hero-tagline {
  font-family:var(--sans);
  font-size:clamp(1rem,2.5vw,1.4rem);
  font-weight:400;
  color:var(--text-dim);
  margin-bottom:2rem;
  line-height:1.5;
}
.accent-text { color:var(--cyan); font-weight:600; }

.hero-cta {
  display:flex; gap:1rem; justify-content:center; flex-wrap:wrap;
}
.btn-primary {
  display:inline-flex; align-items:center; gap:0.6rem;
  padding:0.75rem 1.75rem;
  background:var(--cyan);
  color:var(--bg);
  font-family:var(--mono); font-size:0.8rem; font-weight:700; letter-spacing:0.05em;
  border-radius:var(--radius);
  transition: all var(--transition);
  position:relative; overflow:hidden;
}
.btn-primary::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent);
  transform:translateX(-100%);
  transition: transform 0.5s ease;
}
.btn-primary:hover { background:#fff; transform:translateY(-2px); box-shadow:0 8px 30px rgba(0,221,180,0.3); }
.btn-primary:hover::before { transform:translateX(100%); }

.btn-ghost {
  display:inline-flex; align-items:center; gap:0.6rem;
  padding:0.75rem 1.5rem;
  border:1px solid var(--border);
  color:var(--text-dim); font-family:var(--mono); font-size:0.8rem;
  border-radius:var(--radius);
  transition: all var(--transition);
}
.btn-ghost:hover { border-color:var(--cyan); color:var(--cyan); transform:translateY(-2px); }

.hero-scroll-hint {
  position:absolute; bottom:2rem; left:50%; transform:translateX(-50%);
  text-align:center;
  font-family:var(--mono); font-size:0.65rem; color:var(--text-muted);
  opacity:0; animation:fadeIn 1s ease 4s forwards;
}
.scroll-arrow { font-size:1rem; color:var(--cyan); animation:bounce 2s infinite; }
@keyframes bounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)} }
@keyframes fadeIn  { to{opacity:1} }

/* ── Embedded terminal interactive input ─────── */
.terminal-input-row {
  display:flex; align-items:center; gap:0;
  padding:0.5rem 1.5rem 0.75rem;
  border-top:1px solid var(--border2);
  background:var(--surface);
}
.terminal-input-row .t-prompt {
  color:var(--cyan); font-family:var(--mono); font-size:0.78rem;
  white-space:pre; flex-shrink:0;
}
#cliInput {
  flex:1; background:none; border:none; outline:none;
  color:var(--text); font-family:var(--mono); font-size:0.78rem;
  caret-color:transparent; padding:0;
  min-width:0;
}
#cliInput::placeholder { color:var(--text-muted); }
.terminal-input-row .t-cursor {
  display:inline-block; width:8px; height:14px;
  background:var(--cyan); flex-shrink:0; vertical-align:middle;
  animation:blink-cursor 1s step-end infinite;
}

/* Output lines rendered inside terminalBody */
.cli-out-line   { color:var(--text-dim); font-family:var(--mono); font-size:0.76rem; }
.cli-out-key    { color:var(--cyan);     font-family:var(--mono); font-size:0.76rem; }
.cli-out-error  { color:var(--red);      font-family:var(--mono); font-size:0.76rem; }
.cli-out-success{ color:var(--green);    font-family:var(--mono); font-size:0.76rem; }

/* ── Shared section styles ───────────────────── */
.section {
  position:relative; z-index:1;
  padding: 6rem 0;
}
.section-alt { background:var(--bg2); }

.container {
  max-width:1100px; margin:0 auto; padding:0 2rem;
}

.section-header {
  display:flex; align-items:center; gap:1.2rem; margin-bottom:3.5rem;
}
.section-num {
  font-family:var(--mono); font-size:0.7rem; color:var(--cyan);
  letter-spacing:0.1em;
}
.section-title {
  font-family:var(--sans); font-size:clamp(1.5rem,4vw,2.2rem);
  font-weight:700; color:var(--heading); text-transform:lowercase; letter-spacing:-0.01em;
}
.section-line {
  flex:1; height:1px; background:linear-gradient(90deg,var(--border),transparent);
}

/* Reveal animation */
.reveal {
  opacity:0; transform:translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity:1; transform:none; }

/* ── About ───────────────────────────────────── */
.about-grid {
  display:grid;
  grid-template-columns: 190px 1fr 1fr;
  grid-template-areas:
    "avatar text  stats"
    "avatar certs stats";
  gap:2rem 3rem;
  align-items:start;
}
.about-avatar-col { grid-area:avatar; display:flex; flex-direction:column; gap:1.2rem; }
.about-text       { grid-area:text; }
.about-certs      { grid-area:certs; display:flex; flex-direction:column; gap:0.6rem; }
.about-stats      { grid-area:stats; display:flex; flex-direction:column; gap:1rem; }

/* Avatar */
.avatar-frame {
  position:relative; width:160px; height:160px;
}
.avatar-img {
  width:160px; height:160px; border-radius:50%;
  object-fit:cover; object-position:top center;
  border:2px solid var(--border);
  filter:grayscale(20%);
  transition:filter var(--transition);
}
.avatar-frame:hover .avatar-img { filter:grayscale(0%); }
.avatar-ring {
  position:absolute; inset:-6px; border-radius:50%;
  border:1px solid var(--cyan-dim);
  animation:spin-slow 12s linear infinite;
  background: conic-gradient(var(--cyan) 0deg, transparent 60deg, transparent 360deg);
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#fff calc(100% - 2px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#fff calc(100% - 2px));
  opacity:0.5;
}
@keyframes spin-slow { to{ transform:rotate(360deg); } }
.avatar-status {
  position:absolute; bottom:-4px; left:50%; transform:translateX(-50%);
  display:flex; align-items:center; gap:0.35rem;
  padding:0.15rem 0.6rem;
  background:var(--surface); border:1px solid var(--border);
  border-radius:10px;
  font-family:var(--mono); font-size:0.62rem; color:var(--text-dim);
  white-space:nowrap;
}

.about-lead {
  font-family:var(--sans); font-size:1.1rem; font-weight:600;
  color:var(--heading); margin-bottom:1rem; line-height:1.6;
}
.about-text p {
  font-family:var(--mono); font-size:0.8rem; color:var(--text-dim);
  margin-bottom:0.9rem; line-height:1.75;
}
.highlight { color:var(--cyan); font-weight:500; }

.cert-badge {
  display:inline-flex; align-items:center; gap:0.4rem;
  padding:0.3rem 0.75rem;
  border:1px solid var(--border);
  border-radius:var(--radius); background:var(--surface);
  font-family:var(--mono); font-size:0.7rem; color:var(--cyan);
  text-decoration:none;
  transition:border-color var(--transition), background var(--transition);
}
.cert-badge:hover { border-color:var(--cyan); background:var(--cyan-dim); }
.cert-icon { font-size:0.7rem; }

.about-stats { display:flex; flex-direction:column; gap:0.75rem; }
.stat-card {
  background:var(--surface); border:1px solid var(--border2);
  border-radius:var(--radius-lg); padding:0.85rem 1.1rem;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover { border-color:var(--border); transform:translateX(4px); }
.stat-val {
  font-family:var(--sans); font-weight:800;
  color:var(--heading); line-height:1;
  font-size:clamp(1.2rem, 2.5vw, 1.65rem);
  letter-spacing:-0.02em;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.stat-plus { color:var(--cyan); font-size:0.85em; }
.stat-sep  { color:var(--text-muted); font-size:0.6em; padding:0 0.15rem; }
.stat-label {
  font-family:var(--mono); font-size:0.68rem; color:var(--text-muted);
  margin:0.25rem 0 0.55rem;
}
.stat-bar {
  height:2px; background:var(--bg3); border-radius:2px; overflow:hidden;
}
.stat-fill {
  height:100%; width:0; background:linear-gradient(90deg,var(--cyan),var(--blue));
  border-radius:2px;
  transition:width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.stat-fill.animated { width:var(--w); }

/* ── Skills ──────────────────────────────────── */
.skills-grid {
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:1.2rem;
}
.skill-group {
  background:var(--surface); border:1px solid var(--border2);
  border-radius:var(--radius-lg); padding:1.4rem;
  transition:border-color var(--transition), transform var(--transition);
  position:relative;
}
.skill-group::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--cyan), transparent);
  opacity:0; transition:opacity var(--transition);
}
.skill-group:hover { border-color:var(--border); transform:translateY(-2px); }
.skill-group:hover::before { opacity:1; }

.skill-group-header {
  display:flex; align-items:center; gap:0.65rem;
  margin-bottom:1rem;
  height:auto; max-height:30px; overflow:hidden;
}
.sg-svg {
  width:18px !important; height:18px !important;
  min-width:18px; min-height:18px;
  max-width:18px; max-height:18px;
  flex-shrink:0; display:block;
  color:var(--cyan);
  stroke:currentColor; fill:none;
  overflow:hidden;
}
.sg-label {
  font-family:var(--sans); font-size:0.78rem; font-weight:700;
  color:var(--text); text-transform:uppercase; letter-spacing:0.07em;
}

.skill-tags { display:flex; flex-wrap:wrap; gap:0.45rem; }
.tag {
  padding:0.22rem 0.55rem;
  font-family:var(--mono); font-size:0.66rem;
  border:1px solid var(--border2); border-radius:var(--radius);
  color:var(--text-dim);
  transition:all var(--transition);
}
.tag:hover { border-color:var(--cyan-dim); color:var(--cyan); background:var(--cyan-dim); }
.tag-hot { border-color:rgba(0,221,180,0.22); color:var(--cyan); }

/* proficiency bar card — full width */
.skill-bars-group { grid-column:1 / -1; }
.skill-bars { display:grid; grid-template-columns:1fr 1fr; gap:0.8rem 3rem; }
.sbar-item {}
.sbar-meta {
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:0.3rem;
  font-family:var(--mono); font-size:0.7rem; color:var(--text-dim);
}
.sbar-pct { color:var(--cyan); }
.sbar-track {
  height:3px; background:var(--bg3); border-radius:3px; overflow:hidden;
}
.sbar-fill {
  height:100%; width:0;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
  border-radius:3px;
  transition:width 1.4s cubic-bezier(0.4,0,0.2,1);
}
.sbar-fill.animated { width:calc(var(--target-w) * 1%); }

/* ── Experience / Timeline ───────────────────── */
/* Company group wrapper */
.tl-company-group {
  margin-bottom:2.5rem;
}
.tl-company-label {
  display:flex; align-items:center; gap:0.8rem;
  margin-bottom:1.2rem; padding-bottom:0.8rem;
  border-bottom:1px solid var(--border2);
}
.tl-co-dot {
  width:10px; height:10px; border-radius:50%;
  background:var(--cyan); flex-shrink:0;
  box-shadow:0 0 8px var(--cyan-glow);
}
.tl-co-name {
  font-family:var(--sans); font-size:1rem; font-weight:700; color:var(--heading);
}
.tl-co-loc {
  font-family:var(--mono); font-size:0.68rem; color:var(--text-muted);
}
.tl-co-period {
  font-family:var(--mono); font-size:0.7rem; color:var(--text-muted);
  margin-left:auto;
}
/* Indented roles within same company */
.tl-indented {
  margin-left:1.5rem;
}
/* Promotion badge */
.tl-badge-promo {
  font-family:var(--mono); font-size:0.62rem;
  padding:0.12rem 0.5rem;
  border:1px solid rgba(255,209,102,0.3);
  border-radius:var(--radius);
  color:var(--yellow);
  background:rgba(255,209,102,0.06);
}
/* Department line under role */
.tl-dept-line {
  font-family:var(--mono); font-size:0.75rem; color:var(--text-muted);
  margin-bottom:0.9rem;
}

/* ── Experience / Timeline ───────────────────── */
.timeline { position:relative; padding-left:2.5rem; }
.timeline::before {
  content:''; position:absolute; left:0; top:0; bottom:0; width:1px;
  background:linear-gradient(to bottom, var(--cyan), transparent);
}

.tl-item {
  position:relative; margin-bottom:3rem;
  opacity:0; transform:translateX(-20px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
.tl-item.visible { opacity:1; transform:none; }

.tl-marker {
  position:absolute; left:-2.5rem; top:0.4rem;
  display:flex; align-items:center; justify-content:center;
  width:12px; margin-left:-5px;
}
.tl-dot {
  width:12px; height:12px; border-radius:50%;
  background:var(--surface2); border:2px solid var(--border);
}
.tl-active .tl-dot {
  background:var(--cyan); border-color:var(--cyan);
  box-shadow:0 0 12px var(--cyan-glow);
}
.tl-pulse {
  position:absolute;
  width:24px; height:24px; border-radius:50%;
  border:1px solid var(--cyan);
  animation:pulse-ring 2s ease-out infinite; opacity:0;
}
@keyframes pulse-ring {
  0%  { transform:scale(0.5); opacity:0.6; }
  100%{ transform:scale(1.5); opacity:0; }
}

.tl-meta {
  display:flex; align-items:center; gap:1rem; margin-bottom:0.4rem;
}
.tl-period { font-family:var(--mono); font-size:0.72rem; color:var(--text-muted); }
.tl-status {
  font-family:var(--mono); font-size:0.65rem; padding:0.1rem 0.5rem;
  border-radius:var(--radius);
}
.tl-status.live {
  background:var(--green-dim); color:var(--green); border:1px solid rgba(57,255,158,0.2);
}

.tl-role {
  font-family:var(--sans); font-size:1.1rem; font-weight:700; color:var(--heading);
  margin-bottom:0.25rem;
}
.tl-sep { color:var(--cyan); }
.tl-company {
  font-family:var(--mono); font-size:0.78rem; color:var(--cyan); margin-bottom:0.9rem;
}
.tl-dept { color:var(--text-muted); }

.tl-bullets {
  font-family:var(--mono); font-size:0.76rem; color:var(--text-dim);
  display:flex; flex-direction:column; gap:0.4rem; margin-bottom:1rem;
}
.tl-bullets li::before { content:'▸ '; color:var(--cyan); }

.tl-tags {
  display:flex; flex-wrap:wrap; gap:0.5rem;
}
.tl-tags span {
  font-family:var(--mono); font-size:0.65rem; padding:0.15rem 0.5rem;
  border:1px solid var(--border2); border-radius:var(--radius); color:var(--text-muted);
}

/* ── Projects ────────────────────────────────── */
.projects-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem;
}
.project-card {
  background:var(--surface); border:1px solid var(--border2);
  border-radius:var(--radius-lg); padding:1.5rem;
  display:flex; flex-direction:column; gap:0.9rem;
  transition:all var(--transition);
  position:relative; overflow:hidden;
}
.project-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--cyan), var(--blue));
  transform:scaleX(0); transform-origin:left;
  transition:transform var(--transition);
}
.project-card:hover { border-color:var(--border); transform:translateY(-3px); box-shadow:0 12px 40px rgba(0,0,0,0.3); }
.project-card:hover::before { transform:scaleX(1); }

.project-card-wide { grid-column:span 2; }

.pc-header { display:flex; align-items:center; justify-content:space-between; }
.pc-icon { color:var(--cyan); font-size:1.2rem; }
.pc-badges { display:flex; gap:0.4rem; }
.badge {
  font-family:var(--mono); font-size:0.62rem; padding:0.15rem 0.45rem;
  border:1px solid var(--border); border-radius:var(--radius); color:var(--text-muted);
}
.badge-active { border-color:rgba(57,255,158,0.3); color:var(--green); }

.pc-title {
  font-family:var(--sans); font-size:1rem; font-weight:700; color:var(--heading);
}
.pc-desc {
  font-family:var(--mono); font-size:0.74rem; color:var(--text-dim); line-height:1.7;
  flex:1;
}
.pc-stack {
  display:flex; flex-wrap:wrap; gap:0.4rem;
}
.pc-stack span {
  font-family:var(--mono); font-size:0.65rem; padding:0.15rem 0.5rem;
  border:1px solid var(--border2); border-radius:var(--radius); color:var(--text-muted);
}
.pc-footer {
  display:flex; justify-content:space-between; align-items:center;
  padding-top:0.5rem; border-top:1px solid var(--border2);
  font-family:var(--mono); font-size:0.7rem;
}
.pc-stat { color:var(--text-muted); }
.pc-link { color:var(--cyan); transition:letter-spacing var(--transition); }
.pc-link:hover { letter-spacing:0.05em; }

/* ── Contact ─────────────────────────────────── */
.contact-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:start;
}
.contact-lead {
  font-family:var(--sans); font-size:1.1rem; font-weight:600;
  color:var(--heading); margin-bottom:1rem; line-height:1.6;
}
.contact-left p {
  font-family:var(--mono); font-size:0.8rem; color:var(--text-dim); margin-bottom:1.5rem;
}
.contact-terminal {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:0.9rem 1rem;
  font-family:var(--mono); font-size:0.73rem; line-height:2;
}
.ct-prompt { color:var(--text-muted); }
.ct-cmd    { color:var(--cyan); }
.ct-str    { color:var(--green); }
.ct-comment{ color:var(--text-muted); }

.contact-links { display:flex; flex-direction:column; gap:0.75rem; }
.contact-link {
  display:flex; align-items:center; gap:1rem;
  padding:1rem 1.2rem;
  background:var(--surface); border:1px solid var(--border2);
  border-radius:var(--radius-lg);
  transition:all var(--transition);
}
.contact-link:hover {
  border-color:var(--border); background:var(--surface2);
  transform:translateX(4px);
}
.cl-icon { color:var(--cyan); font-size:1rem; }
.cl-info { flex:1; }
.cl-label { font-family:var(--mono); font-size:0.65rem; color:var(--text-muted); }
.cl-val   { font-family:var(--mono); font-size:0.8rem; color:var(--text); }
.cl-arrow { color:var(--cyan); opacity:0; transition:opacity var(--transition), transform var(--transition); }
.contact-link:hover .cl-arrow { opacity:1; transform:translateX(4px); }

/* ── Footer ──────────────────────────────────── */
footer {
  position:relative; z-index:1;
  border-top:1px solid var(--border2);
  padding:1.5rem 2rem;
  display:flex; flex-direction:column; align-items:center; gap:0.5rem;
}
.footer-inner,.footer-sys {
  display:flex; align-items:center; gap:0.75rem; flex-wrap:wrap; justify-content:center;
  font-family:var(--mono); font-size:0.68rem; color:var(--text-muted);
}
.footer-name { color:var(--text); font-weight:500; }
.footer-sep  { color:var(--border); }
.footer-link { color:var(--cyan); }
.footer-link:hover { text-decoration:underline; }

/* ── Utilities ───────────────────────────────── */
.hidden-sm { }
.accent { color:var(--cyan); }


/* ── Nav toggles (lang + theme) ──────────────── */
.nav-toggles {
  display:flex; align-items:center; gap:0.5rem; flex-shrink:0;
}
#langToggle, #themeToggle {
  display:inline-flex; align-items:center; gap:0.35rem;
  padding:0.26rem 0.55rem;
  border:1px solid var(--border); border-radius:var(--radius);
  font-family:var(--mono); font-size:0.65rem; color:var(--text-dim);
  background:var(--surface);
  cursor:pointer;
  transition:all var(--transition);
  white-space:nowrap; flex-shrink:0;
}
#langToggle:hover, #themeToggle:hover { border-color:var(--cyan); color:var(--cyan); }
#langToggle .lang-active { color:var(--cyan); font-weight:700; }
#langToggle .lang-sep { opacity:0.35; }
#themeToggle svg { width:13px; height:13px; stroke:currentColor; fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }



/* ── Blog / Latest posts ─────────────────────── */
.blog-feed {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1.2rem;
  margin-bottom:2rem;
}

/* Base card */
.blog-card {
  background:var(--surface); border:1px solid var(--border2);
  border-radius:var(--radius-lg);
  display:flex; flex-direction:column;
  transition:all var(--transition);
  text-decoration:none; color:inherit;
  position:relative; overflow:hidden;
}
.blog-card:hover {
  border-color:var(--border);
  transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,0.25);
}

/* Image card variant */
.blog-card-img { padding:0; }

/* Thumbnail */
.blog-card-thumb {
  position:relative; width:100%;
  height:160px; overflow:hidden;
  background:var(--bg3); flex-shrink:0;
}
.blog-card-thumb img {
  position:absolute; top:0; left:0;
  width:100%; height:100%; object-fit:cover;
  transition:transform 0.5s ease;
  filter:brightness(0.85);
  display:block;
}
.blog-card-thumb img {
  width:100%; height:100%; object-fit:cover;
  transition:transform 0.5s ease;
  filter:brightness(0.85);
}
.blog-card:hover .blog-card-thumb img {
  transform:scale(1.04);
  filter:brightness(1);
}
/* Category badge on image */
.blog-card-thumb .blog-card-cat {
  position:absolute; top:0.6rem; left:0.6rem;
  background:rgba(8,12,16,0.82);
  backdrop-filter:blur(4px);
  border:1px solid var(--border);
  padding:0.15rem 0.5rem;
  border-radius:var(--radius);
  font-family:var(--mono); font-size:0.6rem;
  color:var(--cyan); letter-spacing:0.08em; text-transform:uppercase;
}
/* Cyan line on hover */
.blog-card-thumb::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--cyan), var(--blue));
  transform:scaleX(0); transform-origin:left;
  transition:transform var(--transition);
}
.blog-card:hover .blog-card-thumb::after { transform:scaleX(1); }

/* Body */
.blog-card-body {
  display:flex; flex-direction:column; gap:0.55rem;
  padding:1rem 1.1rem;
  flex:1;
}
.blog-card-title {
  font-family:var(--sans); font-size:0.88rem; font-weight:700;
  color:var(--heading); line-height:1.4;
}
.blog-card-desc {
  font-family:var(--mono); font-size:0.7rem; color:var(--text-dim);
  line-height:1.65; flex:1;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.blog-card-meta {
  display:flex; align-items:center; justify-content:space-between;
  padding-top:0.55rem; border-top:1px solid var(--border2);
  font-family:var(--mono); font-size:0.63rem; color:var(--text-muted);
}
.blog-card-read { color:var(--cyan); transition:letter-spacing var(--transition); }
.blog-card:hover .blog-card-read { letter-spacing:0.04em; }

.blog-cta { display:flex; justify-content:center; margin-top:0.5rem; }

@media (max-width:1050px) { .blog-feed { grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px)  { .blog-feed { grid-template-columns:1fr 1fr; gap:0.8rem; } }
@media (max-width:420px)  { .blog-feed { grid-template-columns:1fr; } }

/* ── Certifications & Education ─────────────── */
.certs-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:2.5rem;
  align-items:start;
}
.certs-col-title {
  font-family:var(--sans); font-size:0.7rem; font-weight:700;
  color:var(--text-muted); text-transform:uppercase; letter-spacing:0.12em;
  margin-bottom:1.2rem;
}
.cert-card {
  display:flex; flex-direction:row; gap:0.9rem; align-items:flex-start;
  padding:0.85rem 1rem;
  background:var(--surface); border:1px solid var(--border2);
  border-radius:var(--radius-lg); margin-bottom:0.65rem;
  transition:border-color var(--transition), transform var(--transition);
  overflow:hidden;
}
.cert-card:hover { border-color:var(--border); transform:translateX(3px); }
.cert-card-icon {
  width:38px !important; height:38px !important;
  min-width:38px; max-width:38px;
  border-radius:var(--radius); flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:var(--cyan-dim); color:var(--cyan);
  overflow:hidden;
  -webkit-mask:none !important; mask:none !important;
  position:relative;
}
.cert-card-icon svg {
  width:18px !important; height:18px !important;
  min-width:18px; max-width:18px;
  stroke:currentColor; fill:none;
  display:block; flex-shrink:0;
  position:relative; z-index:1;
}
.cert-card-body { flex:1; min-width:0; }
.cert-card-name {
  font-family:var(--sans); font-size:0.82rem; font-weight:700;
  color:var(--text); line-height:1.3; margin-bottom:0.2rem;
}
.cert-card-meta {
  font-family:var(--mono); font-size:0.66rem; color:var(--text-muted);
}
.cert-card-year {
  font-family:var(--mono); font-size:0.66rem; color:var(--cyan);
  white-space:nowrap; margin-left:auto; padding-left:0.5rem;
}

/* ── Social icons ────────────────────────────── */
.social-icons {
  display:flex; gap:0.75rem; flex-wrap:wrap; margin-top:1.5rem;
}
.social-icon {
  display:flex; align-items:center; justify-content:center;
  width:38px; height:38px; border-radius:var(--radius);
  border:1px solid var(--border2); background:var(--surface);
  color:var(--text-muted);
  transition:all var(--transition);
}
.social-icon:hover {
  border-color:var(--cyan); color:var(--cyan);
  background:var(--cyan-dim); transform:translateY(-2px);
}
.social-icon svg { display:block; }


/* cert section uses .cert-card styles defined above */
/* ── Responsive ──────────────────────────────── */
@media (max-width:1050px) {
  .about-grid {
    grid-template-columns: 160px 1fr;
    grid-template-areas:
      "avatar text"
      "avatar certs"
      "stats  stats";
  }
  .about-stats { flex-direction:row; flex-wrap:wrap; }
  .about-stats .stat-card { flex:1; min-width:140px; }
  .skills-grid { grid-template-columns:1fr 1fr; }
  .skill-bars { grid-template-columns:1fr; }
  .certs-grid { grid-template-columns:1fr; gap:2rem; }
}

@media (max-width:900px) {
  .about-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "avatar"
      "text"
      "certs"
      "stats";
  }
  .about-avatar-col { align-items:center; }
  .about-stats { flex-direction:row; flex-wrap:wrap; }
  .about-stats .stat-card { flex:1; min-width:130px; }
  .skills-grid { grid-template-columns:1fr 1fr; }
  .skill-bars { grid-template-columns:1fr; }
  .projects-grid { grid-template-columns:1fr 1fr; }
  .project-card-wide { grid-column:span 2; }
  .contact-grid { grid-template-columns:1fr; gap:2.5rem; }
  .tl-indented { margin-left:0.75rem; }
}

@media (max-width:680px) {
  .nav-links { display:none; }
  .nav-burger { display:flex; }
  .hero-status-bar { font-size:0.58rem; gap:0.8rem; }
  .hidden-sm { display:none !important; }
  .skills-grid { grid-template-columns:1fr; }
  .projects-grid { grid-template-columns:1fr; }
  .project-card-wide { grid-column:span 1; }
  .timeline { padding-left:1.8rem; }
  .tl-indented { margin-left:0; }
  .tl-company-label { flex-wrap:wrap; }
  .tl-co-period { margin-left:0; }
  .section { padding:4rem 0; }
  .about-stats { flex-direction:column; }
  .skill-bars { grid-template-columns:1fr; }
  .nav-toggles { gap:0.3rem; }
  #langToggle span:not(.lang-active):not(.lang-sep) { display:none; }
}

/* ── Scrollbar styling ───────────────────────── */
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--surface2); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--cyan-dim); }