:root {
  --bg: #f6f8f7; --surface: #ffffff; --surface-2: #eef2f0; --line: #dfe5e2;
  --text: #0f1714; --muted: #56635d; --accent: #047857; --accent-2: #b45309;
  --on-accent: #ffffff; --glow: rgba(16, 185, 129, .16); --glow-2: rgba(245, 158, 11, .12);
  --grid: rgba(15, 23, 20, .05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f0d; --surface: #111815; --surface-2: #17201c; --line: #22302a;
    --text: #e6ece9; --muted: #92a199; --accent: #34d399; --accent-2: #fbbf24;
    --on-accent: #04261a; --glow: rgba(52, 211, 153, .14); --glow-2: rgba(251, 191, 36, .08);
    --grid: rgba(230, 236, 233, .04);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text); background: var(--bg);
  font: 16px/1.7 "IBM Plex Sans Thai", system-ui, sans-serif;
  background-image:
    radial-gradient(600px 400px at 85% -5%, var(--glow), transparent 70%),
    radial-gradient(500px 360px at 0% 30%, var(--glow-2), transparent 70%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: auto, auto, 40px 40px, 40px 40px;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* nav */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.logo { font: 600 1.1rem "JetBrains Mono", monospace; text-decoration: none; }
.logo span { color: var(--accent); }
.nav nav { display: flex; gap: 24px; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav nav a:hover { color: var(--text); }

/* hero */
.hero {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center;
  padding: 72px 0 96px;
}
.status {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px;
  padding: 4px 12px 4px 10px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); font-size: .85rem; color: var(--muted);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); } 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); } }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.2; margin: 0 0 16px; font-weight: 700; }
.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.role { font: 500 .95rem "JetBrains Mono", monospace; color: var(--accent); margin: 0 0 20px; }
.intro { color: var(--muted); font-size: 1.05rem; max-width: 34em; margin: 0 0 32px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); text-decoration: none;
  font-weight: 500; transition: transform .15s, border-color .15s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn svg { width: 18px; height: 18px; }

/* terminal: always dark */
.term {
  background: #0d1311; border: 1px solid #22302a; border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.45), 0 0 0 1px rgba(52,211,153,.06);
  color: #d6e2dc; font: .9rem/1.8 "JetBrains Mono", "IBM Plex Sans Thai", monospace;
}
.term-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: #141c19; border-bottom: 1px solid #22302a; }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a4642; }
.term-bar i:nth-child(1) { background: #ef4444; } .term-bar i:nth-child(2) { background: #f59e0b; } .term-bar i:nth-child(3) { background: #22c55e; }
.term-bar span { margin-left: 8px; color: #6f7f78; font-size: .8rem; }
.term pre { margin: 0; padding: 20px 22px 24px; white-space: pre-wrap; font: inherit; }
.p { color: #34d399; } .c { color: #fbbf24; } .m { color: #6f7f78; }
.cursor { display: inline-block; width: .6em; height: 1.1em; background: #34d399; vertical-align: -.2em; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* sections */
section { padding: 24px 0 96px; }
.eyebrow { font: 600 .8rem "JetBrains Mono", monospace; color: var(--accent); letter-spacing: .08em; margin: 0 0 8px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 0 0 32px; line-height: 1.3; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 24px;
  transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--surface-2); color: var(--accent);
}
.icon svg { width: 20px; height: 20px; }
.card h3 { margin: 0; font-size: 1.05rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.chips li {
  padding: 4px 10px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--line);
  font: .82rem/1.5 "JetBrains Mono", monospace;
}

/* project */
.project {
  display: grid; grid-template-columns: 1.15fr 1fr; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
}
.shot { background: var(--surface-2); border-right: 1px solid var(--line); padding: 24px 0 0 24px; }
.shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: left top; border-radius: 10px 0 0 0; border: 1px solid var(--line); border-right: 0; border-bottom: 0; }
.project-body { padding: 28px; }
.project h3 { font-size: 1.3rem; margin: 0 0 6px; }
.project .lead { color: var(--muted); margin: 0 0 18px; }
.points { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 10px; }
.points li { display: flex; gap: 10px; font-size: .95rem; line-height: 1.6; }
.points li::before { content: "✓"; color: var(--accent); font-weight: 700; flex: none; }
.project .chips { margin-bottom: 22px; }
.project .cta .btn { padding: 9px 16px; font-size: .95rem; }
.project .note { margin: 12px 0 0; font-size: .82rem; color: var(--muted); }
.project + .project { margin-top: 24px; }

/* contact */
.contact {
  text-align: center; padding: 56px 24px; border-radius: 20px; border: 1px solid var(--line);
  background: radial-gradient(500px 220px at 50% 0%, var(--glow), transparent 70%), var(--surface);
}
.contact h2 { margin-bottom: 12px; }
.contact p { color: var(--muted); max-width: 32em; margin: 0 auto 28px; }
.contact .cta { justify-content: center; }
footer { padding: 32px 0 48px; color: var(--muted); font-size: .85rem; text-align: center; }

/* load-in */
.rise { animation: rise .7s cubic-bezier(.2,.7,.2,1) both; }
.rise.d1 { animation-delay: .1s; } .rise.d2 { animation-delay: .2s; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding: 40px 0 72px; gap: 40px; }
  .project { grid-template-columns: 1fr; }
  .shot { border-right: 0; border-bottom: 1px solid var(--line); }
  .nav nav { gap: 16px; }
}

/* page switch: job / freelance */
.switch { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.switch a { padding: 6px 14px; border-radius: 999px; font-size: .88rem; color: var(--muted); text-decoration: none; white-space: nowrap; }
.switch a:hover { color: var(--text); }
.switch a[aria-current="page"] { background: var(--accent); color: var(--on-accent); }
@media (max-width: 640px) { .nav nav { display: none; } }

/* freelance page */
.why { list-style: none; margin: 0; padding: 28px; display: grid; gap: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.why li { display: flex; gap: 12px; line-height: 1.6; }
.why li::before { content: "✓"; color: var(--accent); font-weight: 700; flex: none; }
.why strong { display: block; }
.why span { color: var(--muted); font-size: .92rem; }
.service p { color: var(--muted); margin: 0; font-size: .95rem; }
.work { padding: 0; overflow: hidden; }
.work img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: left top; border-bottom: 1px solid var(--line); }
.work-body { padding: 20px 24px 24px; }
.work h3 { margin: 0 0 6px; }
.work p { color: var(--muted); margin: 0 0 16px; font-size: .95rem; }
.work .btn { padding: 8px 14px; font-size: .9rem; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.steps li::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 8px; font: 600 1.4rem "JetBrains Mono", monospace; color: var(--accent-2); }
.steps strong { display: block; margin-bottom: 4px; }
.steps span { color: var(--muted); font-size: .92rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }

/* language toggle */
.nav-end { display: flex; align-items: center; gap: 24px; }
.lang { padding: 4px 10px; border: 1px solid var(--line); border-radius: 8px; font: 600 .82rem "JetBrains Mono", monospace; color: var(--muted); text-decoration: none; }
.lang:hover { color: var(--text); border-color: var(--accent); }