/* ============================================================
   PADRAIG MARKS — PORTFOLIO STYLESHEET
   ============================================================ */

:root {
  --bg:        #060606;
  --bg-1:      #0E0E0E;
  --bg-2:      #141414;
  --bg-3:      #1C1C1C;
  --fg:        #E4E4E4;
  --fg-1:      #888888;
  --fg-2:      #444444;
  --purple:    #AC99FF;
  --purple-bg: rgba(172,153,255,0.10);
  --green:     #00CC96;
  --green-bg:  rgba(0,204,150,0.10);
  --amber:     #E8940A;
  --red:       #FF6B6B;
  --border:        rgba(255,255,255,0.07);
  --border-md:     rgba(255,255,255,0.11);
  --border-bright: rgba(255,255,255,0.18);

  --sans: 'Bai Jamjuree', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Mono', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; }

/* ── Utilities ── */
.mono   { font-family: var(--mono); }
.amber  { color: var(--amber); }
.green  { color: var(--green); }
.purple { color: var(--purple); }

/* ── Container ── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Sections ── */
section { padding: 5rem 0; }

.section-header { margin-bottom: 2.5rem; }
.section-header h2 {
  font-family: var(--sans);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.4rem;
}
.section-sub { color: var(--fg-1); font-size: 0.9rem; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: rgba(6,6,6,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-md);
  border-radius: 999px;
  padding: 0.45rem 1rem 0.45rem 0.75rem;
  display: flex;
  align-items: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
  width: max-content;
  max-width: calc(100vw - 2rem);
}
.navbar.hidden {
  transform: translateX(-50%) translateY(-140%);
  opacity: 0;
  pointer-events: none;
}
.nav-inner { display: flex; align-items: center; gap: 0.5rem; }
.nav-brand { display: flex; align-items: center; }
.nav-brand img { border-radius: 4px; display: block; }
.nav-links { display: flex; list-style: none; gap: 0.1rem; }
.nav-link {
  display: block;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--fg-1);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--fg); }
.nav-link.active { color: var(--purple); }

/* ============================================================
   DOCK
   ============================================================ */
.dock {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(180%);
  z-index: 100;
  background: rgba(6,6,6,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-md);
  border-radius: 999px;
  padding: 0.4rem;
  display: flex;
  gap: 0.15rem;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}
.dock.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.dock-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--fg-1);
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
}
.dock-item:hover { color: var(--fg); background: var(--bg-2); }
.dock-item.active { color: var(--purple); }
.dock-item svg {
  stroke: currentColor;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg);
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 4rem;
  justify-content: space-between;
  padding: 7rem 1.5rem 5rem;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
}
.hero-text { flex: 1; max-width: 560px; }

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--fg-1);
  font-family: var(--mono);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.pulse-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: livePulse 2s ease-in-out infinite;
}

.hero-name {
  font-family: var(--sans);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  color: var(--fg);
  margin-bottom: 1.25rem;
}
.hero-name em { font-style: normal; color: var(--purple); }

.hero-role {
  font-family: var(--body);
  font-size: 1rem;
  color: var(--fg-1);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.hero-bio {
  font-family: var(--body);
  font-size: 1rem;
  color: var(--fg-1);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero-stats { display: flex; gap: 2rem; margin-bottom: 2.25rem; flex-wrap: wrap; }
.hero-stat  { display: flex; flex-direction: column; gap: 0.2rem; }
.hero-stat .mono { font-size: 1.5rem; font-weight: 500; line-height: 1; }
.hero-stat span:last-child {
  font-size: 0.72rem;
  color: var(--fg-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--body);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--purple); color: #0a0010; border-color: var(--purple); }
.btn-primary:hover { opacity: 0.88; }
.btn-ghost { background: transparent; color: var(--fg-1); border-color: var(--border-md); }
.btn-ghost:hover { color: var(--fg); border-color: var(--border-bright); }

.hero-terminal { flex-shrink: 0; }

/* ============================================================
   TERMINAL WIDGET
   ============================================================ */
.terminal {
  background: var(--bg-2);
  border: 1px solid var(--border-md);
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--mono);
  width: 340px;
}
.terminal-bar {
  display: flex;
  align-items: center;
  padding: 0.6rem 0.85rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}
.terminal-dots { display: flex; gap: 5px; flex-shrink: 0; }
.terminal-dots span { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dots span:nth-child(1) { background: #FF5F56; }
.terminal-dots span:nth-child(2) { background: #FFBD2E; }
.terminal-dots span:nth-child(3) { background: #27C93F; }
.terminal-title { font-size: 0.72rem; color: var(--fg-1); letter-spacing: 0.02em; margin: 0 auto; }
.terminal-body { padding: 0.85rem 1rem; min-height: 168px; }
.ticker-loading { color: var(--fg-1); font-size: 0.8rem; padding: 0.5rem 0; font-family: var(--mono); }
.ticker-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr 4.5rem;
  gap: 0.4rem;
  padding: 0.42rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  align-items: center;
}
.ticker-row:last-child { border-bottom: none; }
.ticker-asset { color: var(--fg); font-weight: 500; }
.ticker-price { color: var(--fg); text-align: right; font-variant-numeric: tabular-nums; }
.ticker-change { font-size: 0.75rem; text-align: right; font-variant-numeric: tabular-nums; }
.ticker-change.pos { color: var(--green); }
.ticker-change.neg { color: var(--red); }
.ticker-change.neu { color: var(--fg-1); }
.terminal-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg-3);
  font-size: 0.68rem;
  color: var(--fg-2);
  font-family: var(--mono);
}
.live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--bg-1); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.about-bio p { font-size: 0.95rem; color: var(--fg-1); line-height: 1.75; margin-bottom: 1rem; }
.about-bio p:last-child { margin-bottom: 0; }
.skill-group { margin-bottom: 1.25rem; }
.skill-group:last-child { margin-bottom: 0; }
.skill-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-2);
  display: block;
  margin-bottom: 0.45rem;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-tag {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--fg-1);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects { background: var(--bg); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.project-card {
  background: var(--bg);
  padding: 1.75rem;
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.project-card:hover { background: var(--bg-1); }
.project-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; }
.project-card h3 { font-family: var(--sans); font-size: 1.02rem; font-weight: 600; color: var(--fg); line-height: 1.3; }
.project-link { color: var(--fg-2); text-decoration: none; transition: color 0.2s; flex-shrink: 0; margin-top: 2px; display: flex; }
.project-link:hover { color: var(--purple); }
.project-desc { font-family: var(--body); font-size: 0.875rem; color: var(--fg-1); line-height: 1.65; flex: 1; }
.project-metric { font-size: 0.8rem; color: var(--fg-1); font-family: var(--body); }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--fg-2);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.15rem 0.45rem;
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.experience { background: var(--bg-1); }
.timeline {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  margin-left: 7.5rem;
}
.timeline-item { position: relative; padding: 0 0 2.5rem 2rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 1px solid var(--border-md);
}
.timeline-date { position: absolute; left: -9rem; top: 0; width: 8rem; text-align: right; }
.timeline-date .mono { font-size: 0.7rem; color: var(--fg-2); white-space: nowrap; line-height: 1.6; }
.timeline-header { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 0.75rem; }
.timeline-content h3 { font-family: var(--sans); font-size: 1rem; font-weight: 600; color: var(--fg); }
.timeline-company { font-family: var(--mono); font-size: 0.78rem; color: var(--purple); }
.timeline-bullets { list-style: none; padding: 0; margin-bottom: 0.85rem; display: flex; flex-direction: column; gap: 0.45rem; }
.timeline-bullets li {
  font-size: 0.875rem;
  color: var(--fg-1);
  line-height: 1.65;
  padding-left: 1.1rem;
  position: relative;
}
.timeline-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--fg-2);
  font-size: 0.72rem;
  top: 0.18em;
}
.timeline-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.education {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.edu-label { font-family: var(--mono); font-size: 0.68rem; color: var(--fg-2); text-transform: uppercase; letter-spacing: 0.09em; white-space: nowrap; }
.edu-text { font-size: 0.875rem; color: var(--fg-1); }

/* ============================================================
   RESEARCH
   ============================================================ */
.research { background: var(--bg); }
.research-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.research-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s;
}
.research-card:hover { border-color: var(--border-md); }
.research-card-header { display: flex; flex-direction: column; gap: 0.5rem; }
.research-card h3 { font-family: var(--sans); font-size: 1rem; font-weight: 600; color: var(--fg); }
.research-meta { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.green-tag {
  background: var(--green-bg) !important;
  color: var(--green) !important;
  border-color: rgba(0,204,150,0.2) !important;
}
.research-card p { font-size: 0.875rem; color: var(--fg-1); line-height: 1.7; }
.research-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: auto; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--bg-1); }
.contact-inner { text-align: center; max-width: 500px; margin: 0 auto; }
.contact-inner h2 { font-family: var(--sans); font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; margin-bottom: 0.75rem; }
.contact-inner > p { color: var(--fg-1); margin-bottom: 2.5rem; font-size: 0.95rem; }
.contact-links { display: flex; flex-direction: column; gap: 0.75rem; align-items: center; }
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg-1);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.65rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
  min-width: 250px;
  justify-content: center;
}
.contact-link:hover { color: var(--fg); border-color: var(--border-md); background: var(--bg-2); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: 2rem 0; border-top: 1px solid var(--border); text-align: center; background: var(--bg); }
.footer p { font-family: var(--mono); font-size: 0.78rem; color: var(--fg-2); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .hero-inner { flex-direction: column; align-items: flex-start; gap: 3rem; padding: 6rem 1.5rem 4rem; }
  .hero-terminal { align-self: stretch; }
  .terminal { width: 100%; max-width: 400px; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .research-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .timeline { margin-left: 0; border-left: none; }
  .timeline-item { padding-left: 0; padding-bottom: 2rem; }
  .timeline-item::before { display: none; }
  .timeline-date { position: static; text-align: left; margin-bottom: 0.3rem; }
  .education { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .projects-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.25rem; }
  .hero-stat .mono { font-size: 1.25rem; }
  .contact-link { min-width: unset; width: 100%; }
}