/* ===== shared layout, components. tokens come from each variant ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: #fff; }
a { color: inherit; text-decoration: none; transition: color 150ms var(--ease), background-color 150ms var(--ease), border-color 150ms var(--ease); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
:root { --ease: cubic-bezier(0.4, 0, 0.2, 1); }

.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ===== nav ===== */
header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.brand span { color: var(--muted); font-weight: 400; }
.nav-right { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 6px 12px; border-radius: 9999px; font-size: 13.5px; color: var(--muted); }
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.cta {
  margin-left: 8px; padding: 6px 14px;
  border: 1px solid var(--border-strong); border-radius: 9999px;
  font-size: 13.5px; font-weight: 500; color: var(--text);
}
.cta:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* ===== hero ===== */
.intro { padding: 92px 0 40px; position: relative; }
.intro h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.6vw, 56px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.022em;
  max-width: 800px;
}
.intro h1 em { font-style: normal; color: var(--muted); }
.intro .sub { margin-top: 24px; max-width: 620px; font-size: 16.5px; line-height: 1.65; color: var(--text-2); }
.intro .sub a { color: var(--text); border-bottom: 1px solid var(--border-strong); }
.intro .sub a:hover { border-color: var(--accent); color: var(--accent); }
.expertise { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 22px; }
.chip {
  padding: 3px 11px;
  border: 1px solid var(--border); border-radius: 9999px;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted);
  transition: all 150ms var(--ease);
}
.chip:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.now {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 30px; padding: 8px 14px;
  border: 1px solid var(--border); border-radius: 9999px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em;
  color: var(--muted); text-transform: uppercase;
}
.now .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-soft); opacity: 1; }
  50% { box-shadow: 0 0 0 5px var(--accent-soft); opacity: .65; }
}

/* ===== section scaffolding ===== */
section.block { padding: 52px 0 8px; }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 6px; }
.sec-head h2 { font-family: var(--font-display); font-size: 26px; font-weight: 500; letter-spacing: -0.015em; }
.sec-sub { color: var(--muted); font-size: 14px; margin-bottom: 24px; max-width: 560px; }

/* ===== apps grid ===== */
.apps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .apps-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .apps-grid { grid-template-columns: 1fr; } }
.card {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: block; position: relative;
  transition: transform 150ms var(--ease), border-color 150ms var(--ease), box-shadow 150ms var(--ease);
}
.card:hover {
  transform: translateY(-3px) scale(1.015) rotate(-0.4deg);
  border-color: var(--border-strong);
  box-shadow: var(--glow);
  z-index: 2;
}
.card-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.tag {
  padding: 2px 9px; border-radius: 9999px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
}
.card h3 { font-size: 17px; font-weight: 500; letter-spacing: -0.012em; }
.card p { margin-top: 7px; font-size: 13.5px; color: var(--text-2); line-height: 1.55; }
.card .date { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; color: var(--muted); }
.card .read { display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 500; color: var(--muted); }
.card:hover .read { color: var(--accent); }
.shot {
  margin: 2px 0 14px;
  border: 1px solid var(--border-strong); border-radius: 8px;
  overflow: hidden; aspect-ratio: 16 / 10; background: var(--surface-2);
}
.shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; transition: transform 500ms var(--ease); }
.card:hover .shot img { transform: scale(1.04); }

/* ===== writing rows ===== */
.writing-rows { border-top: 1px solid var(--border); }
.w-row {
  display: grid; grid-template-columns: 88px 1fr auto; gap: 20px; align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--border);
  transition: background-color 150ms var(--ease), padding-left 150ms var(--ease);
}
.w-row:hover { background: var(--surface); padding-left: 12px; }
.w-row .w-date { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.05em; }
.w-row h3 { font-size: 16px; font-weight: 500; letter-spacing: -0.01em; display: inline; }
.w-row p { display: inline; margin-left: 8px; font-size: 14px; color: var(--muted); }
.w-row .arrow { color: var(--muted); font-size: 14px; transition: transform 150ms var(--ease), color 150ms var(--ease); }
.w-row:hover .arrow { transform: translateX(4px); color: var(--accent); }

/* ===== stats band ===== */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
@media (max-width: 700px) { .stats { grid-template-columns: 1fr; } }
.stat { padding: 22px 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.stat .num {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 34px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; color: var(--text);
}
.stat .num small { font-size: 16px; color: var(--accent); }
.stat p { margin-top: 8px; font-size: 13.5px; color: var(--muted); }

/* ===== log ===== */
.log-rows { border-top: 1px solid var(--border); }
.log-row {
  display: grid; grid-template-columns: 88px 1fr auto; gap: 20px; align-items: baseline;
  padding: 15px 4px; border-bottom: 1px solid var(--border);
  transition: background-color 150ms var(--ease), padding-left 150ms var(--ease);
}
.log-row:hover { background: var(--surface); padding-left: 12px; }
.log-id { font-family: var(--font-mono); font-size: 12px; font-variant-numeric: tabular-nums; color: var(--muted); letter-spacing: 0.04em; }
.log-entry { font-size: 14.5px; color: var(--text-2); }
.log-entry b { color: var(--text); font-weight: 500; }
.log-status { display: flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.log-status i { width: 5px; height: 5px; border-radius: 50%; background: var(--border-strong); }
.log-row.current .log-status i { background: var(--accent); animation: pulse 2.4s var(--ease) infinite; }
.log-row.current .log-status { color: var(--accent); }
.log-row.muted-row { opacity: .5; }
.log-row.muted-row:hover { opacity: .85; }

/* ===== about ===== */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }
.about p { font-size: 15.5px; color: var(--text-2); line-height: 1.7; max-width: 560px; }
.about .fun { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.quote-box {
  padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface);
}
.quote-box blockquote { font-size: 14px; line-height: 1.6; color: var(--text-2); }
.quote-box blockquote::before { content: "“"; display: block; font-size: 30px; line-height: 1; color: var(--accent); font-weight: 600; margin-bottom: 6px; }
.quote-box cite { display: block; margin-top: 12px; font-style: normal; font-size: 12px; color: var(--muted); }
.quote-box cite b { display: block; color: var(--text); font-weight: 500; font-size: 13px; }

/* ===== contact ===== */
.contact { padding: 64px 0 40px; border-top: 1px solid var(--border); margin-top: 48px; }
.contact h2 { font-family: var(--font-display); font-size: clamp(26px, 4vw, 38px); font-weight: 500; letter-spacing: -0.02em; }
.contact .lead { margin-top: 12px; color: var(--text-2); font-size: 15.5px; max-width: 520px; }
.contact-actions { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.btn-x {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 9999px;
  background: var(--text); color: var(--bg);
  font-size: 14px; font-weight: 500;
  transition: transform 150ms var(--ease), opacity 150ms var(--ease);
}
.btn-x:hover { transform: translateY(-2px); opacity: .9; }
.btn-mail {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 9999px;
  border: 1px solid var(--border-strong); color: var(--text);
  font-size: 14px; font-weight: 500;
}
.btn-mail:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.mail-form { margin-top: 28px; max-width: 520px; display: none; }
.mail-form.open { display: block; }
.mail-form textarea {
  width: 100%; min-height: 110px; resize: vertical;
  padding: 12px 14px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border-strong);
  color: var(--text); font-family: var(--font-sans); font-size: 14px;
}
.mail-form textarea:focus { outline: none; border-color: var(--accent); }
.mail-form button {
  margin-top: 10px; padding: 9px 18px; border-radius: 9999px;
  background: var(--accent); color: #fff; border: none; cursor: pointer;
  font-family: var(--font-sans); font-size: 14px; font-weight: 500;
  transition: transform 150ms var(--ease), opacity 150ms var(--ease);
}
.mail-form button:hover { transform: translateY(-2px); opacity: .92; }

footer { padding: 28px 0 80px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
footer .links { display: flex; gap: 18px; }
footer a { font-size: 13px; color: var(--muted); }
footer a:hover { color: var(--text); }

/* ===== variant switcher ===== */
.switcher {
  position: fixed; bottom: 18px; right: 18px; z-index: 99;
  display: flex; align-items: center; gap: 4px;
  padding: 6px 8px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--border-strong); border-radius: 9999px;
  backdrop-filter: blur(10px);
  box-shadow: var(--glow);
}
.switcher span { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 6px 0 4px; }
.switcher a {
  width: 26px; height: 26px; display: grid; place-items: center;
  border-radius: 50%; font-family: var(--font-mono); font-size: 11px; color: var(--muted);
}
.switcher a:hover { color: var(--text); background: var(--surface-2); }
.switcher a.on { background: var(--accent); color: #fff; }

/* ===== reveals ===== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}