/* ============================================
   THE PARTICLE POST — MAIN STYLESHEET
   ============================================ */

:root {
  --bg:          #0a0c0f;
  --bg2:         #0f1215;
  --surface:     #13171c;
  --border:      rgba(255,255,255,0.07);
  --text:        #e8eaed;
  --text-dim:    #6b7280;
  --text-muted:  #374151;
  --accent:      #4db8b8;
  --accent2:     #7c9fc9;
  --accent3:     #9b89c4;
  --gold:        #c9aa71;
  --grid-color:  rgba(77, 184, 184, 0.04);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  line-height: 1.6;
}

/* GRID BACKGROUND */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   NAV
   ============================================ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 48px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 12, 15, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Serif Display', serif;
  font-size: 17px;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.nav-logo:hover { color: var(--accent); }

.nav-logo-icon {
  font-size: 18px;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text-dim);
  transition: all 0.25s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 48px 80px;
  overflow: hidden;
  z-index: 1;
}

.hero-ornament {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 580px;
  height: 580px;
  opacity: 0.07;
  pointer-events: none;
}

.hero-ornament svg { width: 100%; height: 100%; }

.hero-tag {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  padding: 8px 16px;
  background: var(--surface);
  animation: fadeUp 0.8s ease both;
}

.hero-tag::before {
  content: '⚛';
  font-size: 13px;
  color: var(--accent);
}

h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(52px, 8vw, 96px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 10ch;
  animation: fadeUp 0.8s 0.1s ease both;
}

h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle {
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.25em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 32px;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero-desc {
  max-width: 480px;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
  margin-top: 28px;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-top: 48px;
  animation: fadeUp 0.8s 0.4s ease both;
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 28px;
  border: 1px solid;
  transition: all 0.2s;
  cursor: pointer;
  display: inline-block;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
}

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

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

/* ============================================
   DOMAIN CARDS
   ============================================ */
.domains {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 80px;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.8s 0.5s ease both;
}

.domain-card {
  background: var(--bg);
  padding: 36px 32px;
  text-decoration: none;
  transition: background 0.2s;
  position: relative;
  overflow: hidden;
}

.domain-card:hover { background: var(--surface); }

.domain-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.domain-card:nth-child(1)::after { background: var(--accent2); }
.domain-card:nth-child(2)::after { background: var(--accent); }
.domain-card:nth-child(3)::after { background: var(--accent3); }
.domain-card:nth-child(4)::after { background: var(--gold); }
.domain-card:hover::after { transform: scaleX(1); }

.domain-icon {
  font-size: 22px;
  margin-bottom: 16px;
  display: block;
}

.domain-title {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  color: var(--text);
  margin-bottom: 8px;
}

.domain-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

.domain-arrow {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 20px;
  display: block;
  transition: color 0.2s;
}

.domain-card:hover .domain-arrow { color: var(--accent); }

/* ============================================
   SECTIONS
   ============================================ */
section {
  position: relative;
  z-index: 1;
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 64px;
}

.section-num {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text);
}

h2 em { font-style: italic; color: var(--accent); }

.section-desc {
  color: var(--text-dim);
  font-size: 15px;
  max-width: 520px;
  margin-top: 12px;
  margin-left: auto;
  text-align: right;
}

/* ============================================
   PROJECT GRID
   ============================================ */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
}

.project-card {
  background: var(--bg);
  padding: 36px;
  transition: background 0.2s;
  position: relative;
}

.project-card:hover { background: var(--surface); }

.project-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-label::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
}

.project-title {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.2;
}

.project-body {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 24px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  text-transform: uppercase;
}

.tag.accent {
  border-color: rgba(77,184,184,0.3);
  color: var(--accent);
}

/* FEATURED CARD */
.project-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0;
}

.featured-text { padding: 48px; }

.featured-visual {
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  overflow: hidden;
}

/* ============================================
   STAT ROW
   ============================================ */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 64px;
}

.stat {
  background: var(--bg2);
  padding: 32px;
}

.stat-num {
  font-family: 'DM Serif Display', serif;
  font-size: 40px;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ============================================
   EPISODES
   ============================================ */
.episode-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
}

.episode {
  background: var(--bg);
  padding: 28px 36px;
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 24px;
  align-items: center;
  transition: background 0.2s;
  cursor: pointer;
}

.episode:hover { background: var(--surface); }

.ep-num {
  font-family: 'DM Mono', monospace;
  font-size: 28px;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1;
}

.ep-title {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: var(--text);
  margin-bottom: 6px;
}

.ep-meta {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.ep-play {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.episode:hover .ep-play {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}

.about-photo-placeholder {
  aspect-ratio: 3/4;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-align: center;
  padding: 24px;
  position: relative;
}

.about-photo-placeholder::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid var(--border);
}

.about-text p {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-text p strong { color: var(--text); font-weight: 500; }
.about-text p em { color: var(--accent); font-style: italic; }

.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}

/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.skill-block {
  background: var(--bg);
  padding: 36px;
}

.skill-domain {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skill-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-dim);
}

.skill-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-section { background: var(--surface); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-statement {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.2;
  color: var(--text);
}

.contact-statement em { color: var(--accent); font-style: italic; }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  margin-top: 40px;
}

.contact-link {
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  text-decoration: none;
  color: var(--text-dim);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.2s;
}

.contact-link:hover {
  background: var(--surface);
  color: var(--accent);
}

.collab-types {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.collab-item {
  padding: 24px;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.collab-item:hover { border-color: var(--accent); }

.collab-title {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.collab-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  position: relative;
  z-index: 1;
  padding: 32px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg);
}

.footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.footer-nav {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-nav a {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--accent); }

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

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 0.7; }
}

@keyframes orbit {
  from { transform: rotate(0deg) translateX(120px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}

.orbit-dot {
  transform-origin: 300px 300px;
  animation: orbit 8s linear infinite;
}

.waveform path { animation: pulse 3s ease-in-out infinite; }
.waveform path:nth-child(2) { animation-delay: 0.5s; }
.waveform path:nth-child(3) { animation-delay: 1s; }

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .project-card.featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .featured-visual { display: none; }
  .domains { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  nav { padding: 16px 24px; }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 61px;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 12, 15, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
  }

  .nav-links.open { display: flex; }

  .nav-links li a {
    display: block;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
  }

  .hero { padding: 100px 24px 60px; }
  section { padding: 64px 24px; }

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

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

  .section-header { flex-direction: column; gap: 12px; }
  .section-desc { text-align: left; margin-left: 0; }

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

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  .stat-row { grid-template-columns: repeat(2, 1fr); }

  .episode {
    grid-template-columns: 48px 1fr;
  }
  .ep-play { display: none; }

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

  footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .footer-nav { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .domains { grid-template-columns: 1fr; }
  h1 { font-size: 48px; }
}