:root {
  --bg: #0a0c11;
  --bg-soft: #10131a;
  --ink: #eceae4;
  --muted: #8b919c;
  --line: rgba(255, 255, 255, 0.08);
  --sun-core: #ffd27a;
  --sun-mid: #ff9a4d;
  --sun-edge: #ff6b48;
  --accent: #ff8a4c;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap { width: min(960px, 90vw); margin-inline: auto; }

/* ---------- backdrop: sunrise + ridgeline ---------- */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1400px 760px at 50% 112%, rgba(255, 138, 76, 0.12), transparent 60%),
    linear-gradient(180deg, #07080c 0%, #0a0c11 40%, #0c0e15 100%);
}

.sun {
  position: absolute;
  left: 50%;
  bottom: 5%;
  width: clamp(340px, 30vw, 520px);
  height: clamp(340px, 30vw, 520px);
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%,
      var(--sun-core) 0%,
      var(--sun-mid) 34%,
      var(--sun-edge) 52%,
      rgba(255, 107, 72, 0) 70%);
  filter: blur(2px);
  opacity: 0.6;
  animation: rise 1.6s ease-out both;
}

@keyframes rise {
  from { opacity: 0; transform: translate(-50%, 40px); }
  to   { opacity: 0.6; transform: translate(-50%, 0); }
}

.range {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: min(52vh, 460px);
  display: block;
}
.ridge-far  { fill: #11151d; }
.ridge-mid  { fill: #0c1017; }
.ridge-near { fill: #070a0f; }

.kanji {
  position: absolute;
  top: 10vh;
  right: max(2vw, calc((100vw - 960px) / 2 - 0.4em));
  writing-mode: vertical-rl;
  font-size: clamp(48px, 9vw, 120px);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.035);
  user-select: none;
}

/* ---------- hero ---------- */
.hero { min-height: 100svh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 28px;
  font-family: var(--mono);
  font-size: 0.82rem;
}
.brand { letter-spacing: 0.02em; color: var(--ink); }
.brand .dot { color: var(--accent); }
.peak { color: var(--muted); }

.intro { margin-block: auto; max-width: 640px; }

.kicker {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

h1 {
  font-size: clamp(2.6rem, 7.5vw, 5rem);
  line-height: 0.94;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.65);
}

.lede { font-size: clamp(1.15rem, 2.4vw, 1.5rem); color: var(--ink); max-width: 36ch; text-shadow: 0 1px 18px rgba(0, 0, 0, 0.6); }
.lede em { color: var(--accent); font-style: normal; }

.sub { margin-top: 16px; color: var(--muted); max-width: 50ch; text-shadow: 0 1px 14px rgba(0, 0, 0, 0.55); }

.links { display: flex; gap: 26px; margin-top: 34px; font-family: var(--mono); font-size: 0.9rem; }
.links a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: color 0.18s ease, border-color 0.18s ease;
}
.links a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- work ---------- */
.work { padding-block: clamp(40px, 9vh, 96px); }

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-bottom: 36px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
h2 .num { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 26px 22px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.card:hover { border-color: rgba(255, 138, 76, 0.4); transform: translateY(-3px); }

.card header { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.card h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }

.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid rgba(255, 138, 76, 0.3);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}
.tag.muted { color: var(--muted); border-color: var(--line); }

.card p { color: var(--muted); font-size: 0.96rem; flex: 1; }

.card-link {
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s ease;
}
a.card-link:hover { color: var(--accent); }
.card-link.off { color: var(--muted); }

/* ---------- skills ---------- */
.skills { padding-block: clamp(40px, 9vh, 96px); border-top: 1px solid var(--line); }
.skill-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

.skill-group {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 24px;
}

.skill-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 11px;
  transition: border-color 0.18s ease, color 0.18s ease;
}
.chip:hover { border-color: rgba(255, 138, 76, 0.4); color: var(--accent); }
.chip.lead { color: var(--accent); border-color: rgba(255, 138, 76, 0.3); }
.chip .lvl { color: var(--muted); }
.chip.lead .lvl { color: var(--accent); opacity: 0.75; }

/* ---------- footer ---------- */
footer { padding-block: 48px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.range-note { color: var(--muted); font-size: 0.88rem; }
.mono { font-family: var(--mono); color: var(--ink); }
.copy { color: var(--muted); font-size: 0.88rem; font-family: var(--mono); }

/* ---------- responsive ---------- */
@media (max-width: 680px) {
  .cards, .skill-groups { grid-template-columns: 1fr; }
  .kanji { display: none; }
  .intro { margin-bottom: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  .sun { animation: none; opacity: 0.5; transform: translateX(-50%); }
  html { scroll-behavior: auto; }
}

.also { margin-top: 26px; color: var(--muted); font-size: 0.92rem; }
.also a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); transition: color 0.18s ease, border-color 0.18s ease; }
.also a:hover { color: var(--accent); border-color: var(--accent); }