/* ============================================================
   LORD-ZYTHOZ PORTFOLIO — Cyberpunk Dark
   ============================================================ */

:root {
  --cyan: #00d4ff;
  --cyan-dim: rgba(0,212,255,0.15);
  --cyan-glow: rgba(0,212,255,0.35);
  --purple: #a855f7;
  --purple-dim: rgba(168,85,247,0.15);
  --orange: #ff8800;
  --green: #00ff88;
  --bg: #090909;
  --bg-2: #0d0d0d;
  --bg-3: #111111;
  --surface: #141414;
  --surface-2: #1a1a1a;
  --border: rgba(255,255,255,0.07);
  --border-cyan: rgba(0,212,255,0.25);
  --text: #e8e8e8;
  --text-muted: #888;
  --text-faint: #444;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --text-xs: clamp(0.7rem, 0.65rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
  --text-xl: clamp(1.4rem, 1.1rem + 1.2vw, 2rem);
  --text-2xl: clamp(2rem, 1rem + 3vw, 3.5rem);
  --text-hero: clamp(2.8rem, 1rem + 6vw, 6.5rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; }

/* ============================================================ NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(9,9,9,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: border-color var(--transition);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--cyan);
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.75; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.nav-links a { transition: color var(--transition); }
.nav-links a:hover { color: var(--cyan); }
.nav-cta {
  color: var(--cyan) !important;
  border: 1px solid var(--border-cyan);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover { background: var(--cyan-dim) !important; }

/* ============================================================ HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: 100px var(--space-6) var(--space-16);
}
.hero-grid-bg {
  position: absolute;
  inset: 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: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
}
.hero-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}
.tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-title {
  font-family: var(--font-mono);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.hero-line-1 {
  display: block;
  color: var(--text);
}
.hero-line-2 {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--cyan);
  text-shadow: 0 0 60px rgba(0,212,255,0.2);
}
.hero-sub {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: var(--space-8);
}
.hero-console {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: var(--surface);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-8);
  min-width: 380px;
  max-width: 100%;
}
.console-prompt { color: var(--cyan); }
.console-text { color: var(--text); flex: 1; }
.console-cursor {
  color: var(--cyan);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-ctas {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: var(--space-3) var(--space-6);
  background: var(--cyan);
  color: #000;
  border-radius: var(--radius-sm);
  transition: background var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: #33ddff;
  box-shadow: 0 0 24px rgba(0,212,255,0.4);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--border-cyan);
  color: var(--cyan);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.btn-ghost:hover { background: var(--cyan-dim); }
.hero-stats {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ============================================================ SECTIONS */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6);
}
.section-dark { background: var(--bg-2); }
.container {
  max-width: 1100px;
  margin: 0 auto;
}
.container-narrow {
  max-width: 680px;
  margin: 0 auto;
}
.section-header {
  margin-bottom: var(--space-12);
}
.section-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--cyan);
  margin-bottom: var(--space-3);
}
.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: var(--space-3);
}
.section-sub {
  font-size: var(--text-base);
  color: var(--text-muted);
  max-width: 480px;
}

/* ============================================================ PROJECTS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}
.project-featured {
  grid-column: span 2;
}
.project-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}
.project-card:hover {
  border-color: var(--border-cyan);
  box-shadow: 0 0 32px rgba(0,212,255,0.08);
  transform: translateY(-2px);
}
.project-card-inner {
  padding: var(--space-6);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.project-icon { font-size: 1.5rem; line-height: 1; }
.project-badges { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid;
  font-weight: 600;
}
.badge-cyan { color: var(--cyan); border-color: rgba(0,212,255,0.3); background: rgba(0,212,255,0.07); }
.badge-purple { color: var(--purple); border-color: rgba(168,85,247,0.3); background: rgba(168,85,247,0.07); }
.badge-orange { color: var(--orange); border-color: rgba(255,136,0,0.3); background: rgba(255,136,0,0.07); }
.badge-green { color: var(--green); border-color: rgba(0,255,136,0.3); background: rgba(0,255,136,0.07); }
.badge-dim { color: var(--text-muted); border-color: var(--border); background: transparent; }
.project-name {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.project-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}
.project-footer { margin-top: auto; padding-top: var(--space-4); }
.project-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--cyan);
  transition: opacity var(--transition);
}
.project-card:hover .project-link { opacity: 0.7; }

/* ============================================================ ARCH */
.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.arch-node {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid;
  text-align: center;
  min-width: 180px;
}
.arch-node-nova {
  border-color: var(--border-cyan);
  background: rgba(0,212,255,0.05);
}
.arch-node-theorex {
  border-color: rgba(168,85,247,0.3);
  background: rgba(168,85,247,0.05);
}
.arch-node-trade {
  border-color: rgba(255,136,0,0.3);
  background: rgba(255,136,0,0.05);
}
.arch-node-ops {
  border-color: rgba(0,255,136,0.2);
  background: rgba(0,255,136,0.04);
}
.arch-node-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
}
.arch-node-sub {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}
.arch-node-tech {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
  margin-top: 4px;
  letter-spacing: 0.05em;
}
.arch-row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}
.arch-row-models { margin-top: var(--space-2); }
.arch-chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--text-muted);
  background: var(--surface-2);
}

/* ============================================================ STACK */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-8);
}
.stack-group-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}
.stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  background: var(--surface);
  transition: border-color var(--transition), color var(--transition);
}
.chip:hover { border-color: var(--border-cyan); color: var(--text); }
.chip-cyan { color: var(--cyan) !important; border-color: rgba(0,212,255,0.2) !important; }

/* ============================================================ ABOUT */
.about-block {
  background: var(--surface);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  overflow-x: auto;
}
.about-code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.8;
  white-space: pre;
}
.code-key { color: #c792ea; }
.code-var { color: var(--cyan); }
.code-prop { color: #82aaff; }
.code-str { color: #c3e88d; }
.about-links { text-align: center; }

/* ============================================================ FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-8) var(--space-6);
  background: var(--bg);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.footer-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-faint);
  letter-spacing: 0.05em;
}
.footer-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--cyan);
  transition: opacity var(--transition);
}
.footer-link:hover { opacity: 0.7; }

/* ============================================================ RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .project-featured { grid-column: span 1; }
  .hero-console { min-width: unset; }
  .stat-divider { display: none; }
  .hero-stats { gap: var(--space-6); }
  .arch-row { flex-direction: column; align-items: center; }
}

/* ============================================================ SCROLL ANIMATIONS */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}