/* =========================================
   DESIGN SYSTEM — CYBERPUNK DARK PORTFOLIO
   Palette: deep void black + electric cyan + warning amber
   Type: JetBrains Mono (display/terminal) + Space Grotesk (body)
   ========================================= */

:root {
  /* Color palette — derived from terminal & cyber ops */
  --void: #080b0f;
  --surface: #0d1117;
  --surface-2: #161b22;
  --surface-3: #21262d;
  --border: #30363d;
  --border-bright: #484f58;

  --cyan: #00d4ff;
  --cyan-dim: rgba(0, 212, 255, 0.15);
  --cyan-glow: rgba(0, 212, 255, 0.4);
  --amber: #f0a500;
  --amber-dim: rgba(240, 165, 0, 0.12);
  --green: #39d353;
  --green-dim: rgba(57, 211, 83, 0.12);
  --red: #f85149;

  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;

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

  /* Spacing */
  --section-pad: clamp(4rem, 8vw, 7rem);
  --container-max: 1200px;
  --radius: 6px;
  --radius-lg: 12px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.15s;
  --t-med: 0.3s;
  --t-slow: 0.6s;
}

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

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

/* ---- BG GRID ---- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.scan-line {
  position: fixed;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-dim), var(--cyan), var(--cyan-dim), transparent);
  animation: scan 8s linear infinite;
  z-index: 1;
  pointer-events: none;
  opacity: 0.4;
}
@keyframes scan {
  from { top: -2px; }
  to { top: 100vh; }
}

/* ---- CONTAINER ---- */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

/* ---- NAVIGATION ---- */
#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
  border-bottom: 1px solid transparent;
}
#main-nav.scrolled {
  background: rgba(8, 11, 15, 0.92);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0;
}
.brand-bracket { color: var(--cyan); }
.brand-text { color: var(--text-primary); }
.brand-cursor {
  color: var(--cyan);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--t-fast);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transition: transform var(--t-fast) var(--ease);
  transform-origin: left;
}
.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.nav-cta {
  color: var(--cyan);
  border: 1px solid var(--cyan-glow);
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  transition: background var(--t-fast), color var(--t-fast);
}
.nav-links a.nav-cta:hover { background: var(--cyan-dim); }
.nav-links a.nav-cta::after { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--t-fast), opacity var(--t-fast);
}

/* ---- SECTION COMMON ---- */
.section {
  padding: var(--section-pad) 0;
  position: relative;
  z-index: 2;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0.8;
}
.section h2 {
  font-family: var(--font-body);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2rem;
  line-height: 1.2;
}
.section-intro {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 65ch;
  margin-bottom: 3rem;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--cyan);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}
.btn-primary:hover {
  background: #33ddff;
  box-shadow: 0 0 24px var(--cyan-glow);
  transform: translateY(-2px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-bright);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* ---- DOTS ---- */
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
}
.dot.green { background: var(--green); box-shadow: 0 0 6px var(--green); animation: pulse-green 2s ease-in-out infinite; }
.dot.red { background: var(--red); }
.dot.yellow { background: var(--amber); }
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 4px var(--green); }
  50% { box-shadow: 0 0 12px var(--green); }
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  padding: 8rem 1.5rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--green);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.1em;
}
.accent-line { color: var(--cyan); }
.hero-title .line-reveal { display: block; }

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 55ch;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Terminal */
.hero-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 2.5rem;
  max-width: 600px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.6rem 1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.t-dot { width: 12px; height: 12px; border-radius: 50%; }
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green { background: #28c840; animation: none; box-shadow: none; }
.t-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
}
.terminal-body { padding: 1rem 1.25rem; font-family: var(--font-mono); font-size: 0.875rem; }
.terminal-body p { margin-bottom: 0.25rem; }
.prompt { color: var(--cyan); margin-right: 0.5rem; }
.cmd { color: var(--text-primary); }
.t-cursor { animation: blink 0.8s step-end infinite; color: var(--cyan); }
.t-output { color: var(--green); min-height: 1.4em; }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 2;
}
.stat { display: flex; flex-direction: column; gap: 0.25rem; }
.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

/* ---- LINE REVEAL ANIMATION ---- */
.line-reveal {
  opacity: 0;
  transform: translateY(20px);
  animation: reveal var(--t-slow) var(--ease) forwards;
  animation-delay: var(--delay, 0s);
}
@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

/* ---- ABOUT ---- */
.about { background: var(--surface); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text h2 { margin-bottom: 1.25rem; }
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}
.about-text p strong { color: var(--cyan); }

.about-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: 6rem;
}
.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.card-row:last-child { border-bottom: none; }
.card-key {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.card-val {
  color: var(--text-primary);
  text-align: right;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ---- SKILLS ---- */
.skills .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) {
  .skills-grid { 
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}
@media (max-width: 640px) {
  .skills-grid { 
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}
.skill-category {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.skill-category:hover {
  border-color: var(--cyan-glow);
  transform: translateY(-3px);
}
.skill-category h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}
.cat-icon { font-size: 1.1rem; }
.skill-category ul li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  transition: color var(--t-fast);
  line-height: 1.5;
}
.skill-category ul li:last-child { border-bottom: none; }
.skill-category ul li::before {
  content: '▸';
  color: var(--cyan);
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 0.2rem;
}
.skill-category ul li:hover { color: var(--text-primary); }

/* ---- PROJECTS ---- */
.projects { background: var(--surface); }
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.project-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--t-med);
}
.project-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.project-card:hover::before { opacity: 1; }
.project-card.featured {
  grid-column: 1 / -1;
  border-color: rgba(0,212,255,0.3);
  background: linear-gradient(135deg, var(--surface-2), rgba(0,212,255,0.04));
}
.project-badge {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  background: var(--cyan);
  color: var(--void);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-weight: 700;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  letter-spacing: 0.06em;
}
.project-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}
.project-card p { color: var(--text-secondary); font-size: 0.95rem; flex: 1; }
.project-meta {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.project-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
  transition: letter-spacing var(--t-fast);
  align-self: flex-start;
  margin-top: auto;
}
.project-link:hover { letter-spacing: 0.12em; }

/* ---- LAB ---- */
.lab { background: var(--void); }
.lab-arch {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 3rem 0;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.arch-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
  min-width: 140px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.arch-box:hover {
  border-color: var(--cyan-glow);
  box-shadow: 0 0 16px var(--cyan-dim);
}
.arch-box.attacker {
  border-color: rgba(240,165,0,0.4);
  background: var(--amber-dim);
}
.arch-icon { font-size: 1.8rem; margin-bottom: 0.4rem; }
.arch-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.arch-sub { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }
.arch-connector {
  font-family: var(--font-mono);
  color: var(--border-bright);
  font-size: 1.2rem;
}
.arch-down { transform: rotate(90deg); }

.attack-chain { margin-top: 3rem; }
.attack-chain h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.chain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.chain-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: border-color var(--t-fast), transform var(--t-fast);
  cursor: default;
}
.chain-item:hover {
  border-color: var(--cyan-glow);
  transform: translateY(-2px);
}
.chain-item.highlight {
  border-color: rgba(240,165,0,0.35);
  background: var(--amber-dim);
}
.chain-tactic {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.chain-name { font-weight: 600; font-size: 0.9rem; color: var(--text-primary); }
.chain-id {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--cyan);
}
.chain-item.highlight .chain-id { color: var(--amber); }
.chain-cta { text-align: center; margin-top: 1.5rem; }

/* ---- CERTS ---- */
.certs { background: var(--surface); }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.cert-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.cert-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
}
.cert-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  align-self: flex-start;
}
.cert-status.active {
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(57,211,83,0.25);
}
.cert-status.pursuing {
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid rgba(240,165,0,0.25);
}
.cert-name { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.cert-org { font-family: var(--font-mono); font-size: 0.78rem; color: var(--cyan); }
.cert-card p { font-size: 0.9rem; color: var(--text-secondary); margin-top: 0.25rem; }

/* ---- BLOG ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.blog-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.blog-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
}
.blog-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid rgba(240,165,0,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  align-self: flex-start;
  letter-spacing: 0.06em;
}
.blog-card h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.4; color: var(--text-primary); }
.blog-card p { font-size: 0.9rem; color: var(--text-secondary); flex: 1; }
.blog-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
  transition: letter-spacing var(--t-fast);
  align-self: flex-start;
}
.blog-link:hover { letter-spacing: 0.12em; }

/* ---- CONTACT ---- */
.contact { background: var(--void); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-links { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: border-color var(--t-fast), transform var(--t-fast), background var(--t-fast);
}
.contact-card:hover {
  border-color: var(--cyan-glow);
  background: var(--cyan-dim);
  transform: translateX(4px);
}
.contact-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-3);
  border-radius: var(--radius);
  color: var(--cyan);
  flex-shrink: 0;
  font-size: 1.2rem;
}
.contact-label { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.15rem; }
.contact-val { font-size: 0.9rem; color: var(--text-primary); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan-glow);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-note { font-family: var(--font-mono); font-size: 0.8rem; color: var(--green); min-height: 1.2em; }

/* ---- FOOTER ---- */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  position: relative;
  z-index: 2;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
}
.footer-copy { color: var(--text-secondary); font-size: 0.9rem; }
.footer-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  max-width: 60ch;
  text-align: center;
  letter-spacing: 0.03em;
}

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: rgba(8,11,15,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    gap: 1.25rem;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .lab-arch { flex-direction: column; }
  .arch-connector { transform: rotate(90deg); }
  .arch-down { transform: none; }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .scan-line { display: none; }
}