/* =============================================
   Nick Smith — Portfolio
   Dark / Hacker Aesthetic
   ============================================= */

:root {
  --bg:        #0a0a0a;
  --bg-2:      #111111;
  --bg-3:      #161616;
  --border:    #1e1e1e;
  --border-2:  #2a2a2a;
  --text:      #d4d4d4;
  --text-muted:#666;
  --text-dim:  #444;
  --accent:    #00ff88;
  --accent-2:  #00cc6a;
  --accent-dim:#00ff8822;
  --red:       #ff4444;
  --yellow:    #ffcc00;
  --green:     #00ff88;
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Syne', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}

/* ---- Atmosphere ---- */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: -50%;
  z-index: 99;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' 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");
  animation: noise-shift 0.5s steps(1) infinite;
}

@keyframes noise-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, -1%); }
  50%  { transform: translate(1%, 2%); }
  75%  { transform: translate(-1%, 1%); }
  100% { transform: translate(2%, -2%); }
}

/* ---- Utilities ---- */
.accent { color: var(--accent); }
.outline-text {
  color: transparent;
  -webkit-text-stroke: 2px var(--text);
}

/* ---- Nav ---- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 4rem;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
}

.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::before {
  content: './';
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
  margin-right: 2px;
}

.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::before { opacity: 1; }

/* ---- Sections shared ---- */
section {
  padding: 7rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 4rem;
}

.section-num {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  font-weight: 700;
}

.section-header h2 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-2), transparent);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 4rem;
  display: flex;
  align-items: center;
  gap: 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-text {
  position: absolute;
  bottom: -0.1em;
  right: -0.05em;
  font-family: var(--font-sans);
  font-size: clamp(80px, 14vw, 180px);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-2);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.hero-content {
  flex: 1;
  min-width: 0;
  z-index: 2;
}

.hero-label {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  text-transform: lowercase;
  animation: fadeUp 0.6s ease both;
}

.hero-name {
  font-family: var(--font-sans);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero-tagline {
  max-width: 420px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn-primary {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--accent);
  color: #000;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: 1px solid var(--border-2);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ---- Hero Code Block ---- */
.hero-code-block {
  width: 380px;
  flex-shrink: 0;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 6px;
  overflow: hidden;
  animation: fadeUp 0.6s 0.4s ease both;
  box-shadow: 0 0 60px rgba(0,255,136,0.04), 0 20px 60px rgba(0,0,0,0.5);
  z-index: 2;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

.code-filename {
  margin-left: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.code-body {
  padding: 1.4rem 1.2rem;
  font-size: 0.82rem;
  line-height: 1.85;
}

.code-body code { font-family: var(--font-mono); }
.kw   { color: #c792ea; }
.var  { color: #82aaff; }
.prop { color: #f07178; }
.str  { color: #c3e88d; }
.bool { color: #ff9cac; }

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  max-width: 580px;
}

.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-num {
  font-family: var(--font-sans);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---- Projects ---- */
.projects { max-width: 1200px; }

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 2rem;
  position: relative;
  transition: border-color 0.25s, transform 0.2s;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
}
.project-card:hover::before { opacity: 1; }

.project-card.featured {
  grid-column: span 2;
  background: var(--bg-3);
  border-color: var(--border-2);
}

.project-card.featured::before { opacity: 0.5; }

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-type {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

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

.icon-link {
  color: var(--text-dim);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}
.icon-link:hover { color: var(--accent); }
.icon-link svg { width: 16px; height: 16px; }

.project-title {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

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

.project-tags span {
  font-size: 0.7rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border-2);
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

/* ---- Skills ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.skill-group-title {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: lowercase;
  margin-bottom: 1.2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.skill-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.skill-group li {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-left: 0.75rem;
  border-left: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}

.skill-group li:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ---- Contact ---- */
.contact-inner {
  text-align: center;
  padding: 4rem 2rem;
  border: 1px solid var(--border);
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}

.contact-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center bottom, rgba(0,255,136,0.04), transparent 70%);
  pointer-events: none;
}

.contact-intro {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.contact-email {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  transition: color 0.2s;
  position: relative;
}

.contact-email::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

.contact-email:hover { color: var(--accent); }
.contact-email:hover::after { width: 100%; }

.social-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.social-links a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.social-links a svg { width: 16px; height: 16px; }
.social-links a:hover { color: var(--accent); }

/* ---- Footer ---- */
footer {
  text-align: center;
  padding: 2rem 4rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  nav { padding: 1rem 2rem; }
  .nav-links { gap: 1.5rem; }

  section { padding: 5rem 2rem; }
  .hero { padding: 0 2rem; flex-direction: column; text-align: center; min-height: auto; padding-top: 8rem; padding-bottom: 4rem; }
  .hero-code-block { width: 100%; }
  .hero-tagline { margin: 0 auto 2rem; }
  .hero-cta { justify-content: center; }
  .hero-bg-text { font-size: 18vw; }

  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-stats { grid-template-columns: repeat(4, 1fr); }

  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }

  .skills-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-email { font-size: 1.3rem; }
}