/*
 * PORTFOLIO STYLES — terminal/hacker theme
 * Colors: edit :root variables below
 * Layout: section comments mark each area
 */
/* ── Variables ── */
:root {
  --bg: #0a0e14;
  --bg-card: #0d1117;
  --bg-elevated: #131920;
  --border: #1e2a3a;
  --text: #c9d1d9;
  --text-dim: #6e7681;
  --green: #00ff9f;
  --cyan: #00d4ff;
  --green-dim: #00ff9f33;
  --cyan-dim: #00d4ff22;
  --red: #ff5f57;
  --yellow: #febc2e;
  --accent: var(--green);
  --accent-alt: var(--cyan);
  --font: 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
  --radius: 6px;
  --terminal-h: 220px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 14px;
  overflow-x: hidden;
  padding-bottom: calc(var(--terminal-h) + 20px);
}

body.terminal-collapsed { padding-bottom: 48px; }

a { color: var(--cyan); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--green); }

/* ── CRT effects ── */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

.crt-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9997;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0, 255, 159, 0.03) 100%);
}

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  color: var(--green);
  font-weight: 700;
  font-size: 0.85rem;
  position: relative;
}

.logo::after {
  content: attr(data-text);
  position: absolute;
  left: 2px;
  top: 0;
  color: var(--cyan);
  opacity: 0.4;
  animation: glitch 4s infinite;
  clip-path: inset(0 0 80% 0);
}

@keyframes glitch {
  0%, 90%, 100% { transform: translate(0); opacity: 0.4; }
  92% { transform: translate(-2px, 1px); opacity: 0.7; }
  94% { transform: translate(2px, -1px); opacity: 0.3; }
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav-links button {
  background: none;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.nav-links button:hover,
.nav-links button.active {
  color: var(--green);
  border-color: var(--green-dim);
  background: var(--green-dim);
}

.nav-github {
  font-family: var(--font);
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  color: var(--text-dim);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.nav-github:hover {
  color: var(--green);
  border-color: var(--green-dim);
  background: var(--green-dim);
}

/* ── Sections ── */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-num {
  color: var(--text-dim);
  font-size: 0.75rem;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.section-header .accent { color: var(--green); }

.section-desc {
  color: var(--text-dim);
  margin-bottom: 2rem;
  max-width: 600px;
}

/* ── Hero ── */
.hero { padding-top: 7rem; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.boot-terminal,
.card,
.terminal-dock {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar,
.terminal-dock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

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

.terminal-title {
  margin-left: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.boot-output {
  padding: 1rem;
  font-size: 0.75rem;
  color: var(--green);
  min-height: 180px;
  white-space: pre-wrap;
  line-height: 1.6;
}

.hero-tag {
  color: var(--text-dim);
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.hero-name {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--green);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.prompt { color: var(--cyan); }

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--green);
}

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

.hero-roles {
  color: var(--text);
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.hero-roles strong { color: var(--cyan); font-weight: 500; }

.hero-meta {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-bottom: 1.25rem;
}

.hero-actions-secondary {
  margin-top: -0.25rem;
  margin-bottom: 0.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font);
  font-size: 0.8rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}

.btn-primary:hover {
  background: var(--green);
  color: var(--bg);
}

.btn-secondary {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn-secondary:hover {
  background: var(--cyan);
  color: var(--bg);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-dim);
}

.btn-ghost:hover {
  border-color: var(--text);
  color: var(--text);
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.stat-val {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.honors-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.honor-badge {
  font-size: 0.68rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--cyan);
  background: var(--bg-card);
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: auto 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.about-photo {
  padding: 0.75rem;
  text-align: center;
  position: relative;
  width: 180px;
}

.profile-img {
  width: 160px;
  height: 160px;
  border-radius: var(--radius);
  border: 2px solid var(--green-dim);
  object-fit: cover;
  object-position: center top;
  display: none;
  filter: grayscale(15%) contrast(1.05);
}

.profile-img.loaded { display: block; }

.profile-img.loaded + .profile-placeholder { display: none; }

.profile-placeholder {
  width: 160px;
  height: 160px;
  margin: 0 auto;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--bg);
}

.profile-initials {
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
}

.profile-hint {
  font-size: 0.6rem;
  color: var(--text-dim);
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--text);
}

.about-text strong { color: var(--green); }
.about-text em { color: var(--cyan); font-style: normal; }

.card {
  padding: 1.5rem;
}

.card h3 {
  font-size: 0.85rem;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.fact-list { list-style: none; }

.fact-list li {
  font-size: 0.8rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.fact-list .key { color: var(--cyan); }
.fact-list .val { color: var(--green); }

.status-open {
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Projects ── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.project-card:hover {
  border-color: var(--green-dim);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 255, 159, 0.08);
}

.project-card:hover::before { transform: scaleX(1); }

.project-card.featured {
  border-color: var(--green-dim);
}

.project-card.visible {
  animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.project-category {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.project-live {
  font-size: 0.65rem;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-live::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-green 2s infinite;
}

.project-card h3 {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.project-card p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tech-tag {
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--cyan);
}

.project-link {
  font-size: 0.8rem;
  color: var(--green);
}

.project-link:hover { text-decoration: underline; }

/* ── Lab ── */
.lab-section { position: relative; }

.lab-badge {
  display: inline-block;
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 95, 87, 0.15);
  border: 1px solid var(--red);
  color: var(--red);
  border-radius: 3px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.lab-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all 0.3s;
}

.lab-card:hover {
  border-color: var(--cyan-dim);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.06);
}

.lab-card.visible {
  animation: fadeUp 0.5s ease forwards;
}

.lab-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.lab-card h3 {
  font-size: 0.9rem;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

.lab-card p {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.lab-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.lab-tag {
  font-size: 0.6rem;
  padding: 0.15rem 0.45rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 3px;
}

.lab-card.side-project {
  opacity: 0.85;
  border-style: dashed;
}

.side-badge {
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--text-dim);
  text-transform: lowercase;
}

/* ── Skills ── */
.skills-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.skills-column h3 {
  font-size: 0.85rem;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-size: 0.72rem;
  padding: 0.3rem 0.65rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: all 0.2s;
}

.skill-tag:hover {
  border-color: var(--green);
  color: var(--green);
}

.cert-list, .edu-list { list-style: none; }

.cert-list li, .edu-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}

.cert-list strong, .edu-item strong {
  display: block;
  color: var(--text);
}

.cert-list span, .edu-item span {
  color: var(--text-dim);
  font-size: 0.72rem;
}

/* ── Community ── */
.community-card {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.community-icon { font-size: 2.5rem; }

.community-content h3 {
  color: var(--green);
  margin-bottom: 0.5rem;
}

.community-content p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.community-cta-text { color: var(--text) !important; }

.community-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.community-extras {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.mini-card h4 {
  font-size: 0.85rem;
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

.mini-card p {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.mini-card a { font-size: 0.75rem; }

/* ── Homelab topology demo ── */
.topology-wrap { padding: 1.5rem; }

.topology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.topo-node {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 0.75rem;
  cursor: pointer;
  text-align: center;
  font-family: var(--font);
  color: var(--text);
  transition: all 0.2s;
}

.topo-node:hover,
.topo-node.active {
  border-color: var(--green);
  background: var(--green-dim);
  transform: translateY(-2px);
}

.topo-icon { display: block; font-size: 1.5rem; margin-bottom: 0.35rem; }

.topo-label {
  display: block;
  font-size: 0.78rem;
  color: var(--green);
  font-weight: 700;
}

.topo-sub {
  display: block;
  font-size: 0.65rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}

.topo-detail {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  min-height: 3rem;
  margin-bottom: 1rem;
}

.topo-detail-prompt { color: var(--cyan); margin-right: 0.5rem; }

#topo-detail-text { color: var(--text-dim); }

.topo-detail.active #topo-detail-text { color: var(--text); }

.topo-scan-bar { margin-bottom: 0.75rem; }

.topo-scan-output {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  font-size: 0.75rem;
  color: var(--green);
  min-height: 200px;
  white-space: pre-wrap;
  overflow-y: auto;
  max-height: 280px;
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-list { list-style: none; }

.contact-list li {
  display: flex;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.contact-key {
  color: var(--cyan);
  min-width: 70px;
}

.contact-form label {
  display: block;
  margin-bottom: 1rem;
}

.contact-form label span {
  display: block;
  font-size: 0.75rem;
  color: var(--cyan);
  margin-bottom: 0.35rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 0.75rem;
  color: var(--green);
  font-family: var(--font);
  font-size: 0.85rem;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--green);
}

.contact-form button { margin-top: 0.5rem; }

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-status {
  font-size: 0.78rem;
  min-height: 1.2em;
  margin: 0.25rem 0;
}

.form-status.success { color: var(--green); }
.form-status.error { color: var(--red); }

.cert-group-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0.75rem 0 0.35rem;
}

.cert-group-label:first-of-type { margin-top: 0; }

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-dim);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
}

#build-tag {
  color: var(--green);
  font-size: 0.65rem;
}

.footer-blink {
  animation: blink 1s step-end infinite;
  color: var(--green);
}

/* ── Terminal Dock ── */
.terminal-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--terminal-h);
  display: flex;
  flex-direction: column;
  transition: height 0.3s ease;
}

body.terminal-collapsed .terminal-dock {
  height: 36px;
}

body.terminal-collapsed .terminal-dock-body {
  display: none;
}

.terminal-toggle {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font);
  cursor: pointer;
  padding: 0 0.5rem;
  font-size: 1rem;
}

.terminal-toggle:hover { color: var(--green); }

.terminal-dock-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.terminal-history {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 1rem;
  font-size: 0.78rem;
}

.terminal-line {
  margin-bottom: 0.25rem;
  line-height: 1.5;
}

.terminal-line.output { color: var(--text-dim); }
.terminal-line.output .success { color: var(--green); }
.terminal-line.output .error { color: var(--red); }
.terminal-line.output .info { color: var(--cyan); }
.terminal-line.output .cmd-hint { color: var(--green); }

.terminal-line.input-line .cmd { color: var(--green); }

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.terminal-input-row .prompt {
  color: var(--cyan);
  font-size: 0.78rem;
  white-space: nowrap;
}

#terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--green);
  font-family: var(--font);
  font-size: 0.78rem;
  outline: none;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .skills-layout,
  .contact-grid,
  .community-extras {
    grid-template-columns: 1fr;
  }

  .about-photo { width: 100%; }

  .community-card { flex-direction: column; }

  .nav-links { display: none; }

  .hero-stats { gap: 1.25rem; }
}

@media (max-width: 600px) {
  .section { padding: 4rem 1rem 2rem; }
  .project-grid { grid-template-columns: 1fr; }
  .demo-iframe { height: 350px; }
  :root { --terminal-h: 180px; }
}