:root { color-scheme: light; }
:root {
  --bg: #f5f6f8;
  --fg: #16181d;
  --muted: #5d6270;
  --card: #ffffff;
  --border: #e1e3e9;
  --accent: #d97a00;
  --screen-bg: #0d1410;
  --screen-fg: #4cff8a;
  --screen-dim: #2fae5e;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  line-height: 1.65;
}
a { color: var(--accent); }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1080px; margin: 0 auto; padding: 14px 16px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
}
.brand { font-weight: 800; font-size: 1.15rem; color: var(--fg); text-decoration: none; letter-spacing: -.01em; }
.brand span { color: var(--accent); }
.topbar nav { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.topbar nav a:hover { color: var(--fg); }
.topbar .nav-gerrit { border: 1px solid var(--border); border-radius: 999px; padding: 0 10px; }

main { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
section { padding: 56px 0; }

/* Hero / profile */
.hero { padding-top: 72px; max-width: 760px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-weight: 700; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; }
.hero h1 { margin: 0 0 16px; font-size: clamp(2.2rem, 6vw, 3.4rem); letter-spacing: -.03em; line-height: 1.1; }
.lead { margin: 0 0 24px; font-size: 1.1rem; color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.tags li { padding: 4px 12px; border: 1px solid var(--border); border-radius: 999px; font-size: .85rem; color: var(--muted); background: var(--card); }

/* Section heads */
.section-head { margin-bottom: 24px; }
h2 { margin: 0 0 4px; font-size: 1.6rem; letter-spacing: -.02em; }
.section-head p { margin: 0; color: var(--muted); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform .15s, border-color .15s;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }

/* Cockpit-display style header */
.screen {
  display: flex; flex-direction: column; gap: 2px;
  height: 128px; padding: 18px 20px;
  background: var(--screen-bg);
  background-image: repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 3px);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--screen-fg);
  border-bottom: 4px solid #22262d;
}
.scr-title { font-size: 1.5rem; font-weight: 700; letter-spacing: .06em; }
.scr-line { font-size: .9rem; letter-spacing: .08em; }
.scr-line.dim { color: var(--screen-dim); }
.screen.work {
  height: 96px;
  background-color: #111a2e;
  color: #ffb547;
}

/* App screenshot header */
.shot {
  height: 200px; overflow: hidden;
  background: #000;
  border-bottom: 4px solid #22262d;
}
.shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.app-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.app-head h3 { margin: 0; }
.app-icon { flex: none; width: 48px; height: 48px; border-radius: 11px; border: 1px solid var(--border); }

/* Current role summary */
.role {
  margin-bottom: 20px; padding: 20px 24px;
  background: var(--card); border: 1px solid var(--border);
  border-left: 4px solid var(--accent); border-radius: 12px;
  box-shadow: var(--shadow);
}
.role h3 { margin: 0 0 8px; font-size: 1.25rem; letter-spacing: -.01em; }
.role p:not(.platform) { margin: 0; color: var(--muted); }
.role .tools-label { margin: 16px 0 8px; font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }

.card-body { flex: 1; padding: 18px 20px 8px; }
.platform { margin: 0 0 4px; font-size: .78rem; font-weight: 700; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.card h3 { margin: 0 0 8px; font-size: 1.2rem; letter-spacing: -.01em; }
.card-body > p:not(.platform) { margin: 0 0 12px; color: var(--muted); font-size: .95rem; }
.features { margin: 0 0 8px; padding-left: 18px; font-size: .9rem; }
.features li { margin: 2px 0; }

.store {
  display: block; padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-weight: 600; font-size: .92rem; text-decoration: none;
}
.store:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.store.disabled { color: var(--muted); font-weight: 500; }

/* Contact */
.contact p { color: var(--muted); margin: 0 0 16px; }
.contact-links { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-links a {
  padding: 10px 16px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--card); text-decoration: none; font-weight: 600;
}

.contact-kind { margin-right: 8px; font-size: .75rem; font-weight: 700; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }

footer { padding: 32px 16px 40px; text-align: center; color: var(--muted); font-size: .85rem; }

@media (max-width: 560px) {
  .topbar nav { gap: 12px; }
  .hero { padding-top: 40px; }
  section { padding: 40px 0; }
}

/* Legal pages (privacy / terms) */
.legal { max-width: 760px; padding: 48px 0 24px; }
.legal h1 { margin: 0 0 8px; font-size: clamp(1.8rem, 5vw, 2.4rem); letter-spacing: -.02em; line-height: 1.2; }
.legal .meta { margin: 0 0 24px; color: var(--muted); font-size: .9rem; }
.legal h2 { margin: 36px 0 8px; font-size: 1.2rem; letter-spacing: -.01em; }
.legal h3 { margin: 20px 0 6px; font-size: 1rem; }
.legal p, .legal li { color: var(--fg); }
.legal ul { padding-left: 20px; }
.legal code { padding: 1px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--card); font-size: .88em; overflow-wrap: anywhere; }
.legal .notice { padding: 14px 18px; border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 10px; background: var(--card); }
.legal .lang-switch { display: flex; gap: 12px; margin: 0 0 8px; font-size: .9rem; }
.legal hr { margin: 56px 0 8px; border: 0; border-top: 1px solid var(--border); }