:root {
  --bg: #0b0f0e;
  --surface: #111918;
  --surface-2: #16201e;
  --line: #23312d;
  --text: #d8e7e1;
  --muted: #7c948c;
  --accent: #7ee8a2;
  --accent-2: #ff9ecb;
  --accent-3: #1793d1;
  --radius: 4px;
  --max: 1440px;
}

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

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(circle at 15% 20%, rgba(23, 147, 209, .12), transparent 30rem),
    radial-gradient(circle at 90% 70%, rgba(255, 158, 203, .08), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: 'Kanit', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: .35;
  background-image:
    linear-gradient(rgba(126, 232, 162, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 232, 162, .035) 1px, transparent 1px);
  background-size: 42px 42px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 15, 14, .82);
  backdrop-filter: blur(12px);
}

.brand, .terminal, .stack, .stack code, .kicker, .section-head, .tag, .prompt-symbol, footer {
  font-family: 'JetBrains Mono', monospace;
}

.brand { font-weight: 700; letter-spacing: .04em; display: flex; align-items: center; gap: .25rem; }
.brand-logo { width: 18px; height: 18px; flex-shrink: 0; }
.muted { color: var(--muted); }
.hostname { color: var(--accent); }

.nav { display: flex; gap: clamp(1rem, 3vw, 2rem); font-family: 'JetBrains Mono', monospace; font-size: .8rem; letter-spacing: .12em; }
.nav a {
  color: var(--muted);
  transition: color .2s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  position: relative;
}
.nav a[aria-label] { width: 44px; justify-content: center; }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 6px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0;
  transition: opacity .2s;
}
.nav a:hover, .nav a:focus-visible, .nav a.is-active { color: var(--accent); }
.nav a:hover::after, .nav a:focus-visible::after, .nav a.is-active::after { opacity: 1; }
.nav a:focus-visible, .link-grid a:focus-visible, .project-grid a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.hero { padding: clamp(3rem, 9vw, 7rem) clamp(1rem, 5vw, 3rem) clamp(2rem, 5vw, 4rem); max-width: var(--max); margin: 0 auto; }
.hero-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 3rem; }

.kicker { color: var(--accent); font-size: .8rem; letter-spacing: .15em; margin-bottom: 1rem; }

h1 {
  font-size: clamp(2.8rem, 8vw, 5.8rem);
  line-height: 1;
  letter-spacing: -.03em;
  font-weight: 700;
  margin-bottom: .35rem;
}

h1 span {
  color: transparent;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
}

.japanese {
  color: var(--accent-2);
  font-size: .95rem;
  letter-spacing: .35em;
  margin: .75rem 0 1.5rem;
}

.hero-copy { color: var(--muted); max-width: 46ch; font-weight: 300; margin-bottom: 2rem; }

.terminal {
  display: inline-flex;
  gap: .4rem;
  padding: .85rem 1.1rem;
  background: rgba(0, 0, 0, .45);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: .88rem;
  white-space: nowrap;
}

.prompt { color: var(--accent); font-weight: 700; }
.path { color: var(--accent-2); }
.dollar { color: var(--accent); }
.blink { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.avatar-wrap { text-align: center; user-select: none; position: relative; z-index: 20; perspective: 800px; }

.avatar-frame {
  width: clamp(180px, 22vw, 250px);
  aspect-ratio: 1;
  padding: 8px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(145deg, #2a1a2e, #1a2a2a);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
  transition: transform .2s ease-out;
  transform-style: preserve-3d;
  cursor: pointer;
}

.avatar-frame img { width: 100%; height: 100%; object-fit: cover; border-radius: 2px; }

.status {
  margin-top: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem;
  color: var(--muted);
  letter-spacing: .08em;
}

.online {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: .5rem;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse { 50% { opacity: .5; } }

.section { max-width: var(--max); margin: 0 auto; padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 5vw, 3rem); }

.section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.25rem;
  color: var(--accent);
  font-size: .85rem;
  letter-spacing: .12em;
}

.section-head h2 { font-size: 1.4rem; font-weight: 500; text-transform: uppercase; }
.section-head .line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }
.prompt-symbol { color: var(--accent-2); }

.cards { display: grid; grid-template-columns: repeat(2, minmax(280px, 1fr)); gap: 1.25rem; }

.card {
  background: linear-gradient(160deg, var(--surface), rgba(0, 0, 0, .25));
  border: none;
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform .25s, box-shadow .25s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 20px rgba(126, 232, 162, .35), 0 12px 30px rgba(0, 0, 0, .35);
}

.card i { color: var(--accent-2); font-size: 1.5rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.15rem; font-weight: 500; margin-bottom: .4rem; }
.card p { color: var(--muted); font-size: .92rem; font-weight: 300; }

.skill-bar {
  margin-top: .9rem;
  height: 6px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  transition: width .6s ease;
}

.tag { display: inline-block; margin-top: .6rem; font-size: .72rem; color: var(--accent-3); opacity: .8; }

.focus-areas {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
}

.focus-label { color: var(--accent); }

.focus-chip {
  padding: .25rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-2);
  background: rgba(255, 158, 203, .06);
}

.profile-stats {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .82rem;
  color: var(--muted);
}

.profile-stats b { color: var(--accent); font-weight: 600; }

.stack {
  margin-top: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
}

.stack summary {
  padding: 1.1rem 1.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .85rem;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
}

.stack summary::-webkit-details-marker { display: none; }

.stack code {
  display: block;
  padding: 0 1.25rem 1.1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .85rem;
  color: var(--muted);
}

.stack code b { color: var(--accent-2); margin: 0 .3rem; }

.project-grid { display: grid; grid-template-columns: repeat(3, minmax(280px, 1fr)); gap: 1.25rem; overflow-x: auto; }

.project-grid a {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  background: var(--surface);
  transition: border-color .25s, background .25s;
}

.project-grid a:hover { border-color: rgba(255, 158, 203, .45); background: var(--surface-2); }

.project-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 1.1rem;
}

.project-grid h3 { font-size: 1rem; font-weight: 500; }
.project-grid p { color: var(--muted); font-size: .88rem; font-weight: 300; margin: .35rem 0 .55rem; }
.project-grid span { font-family: 'JetBrains Mono', monospace; font-size: .72rem; color: var(--accent-3); }

.project-more { margin-top: 1.5rem; text-align: center; }

.project-more a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 44px;
  padding: 0 .75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .82rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}

.project-more a:hover { color: var(--accent-2); border-bottom-color: rgba(255, 158, 203, .5); }
.project-more a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.project-more i { font-size: .7rem; }

.link-grid { display: grid; grid-template-columns: repeat(4, minmax(220px, 1fr)); gap: 1.25rem; }

.link-grid a {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1.75rem;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface), rgba(0, 0, 0, .25));
  font-family: 'JetBrains Mono', monospace;
  font-size: .9rem;
  transition: transform .25s, box-shadow .25s;
}

.link-grid a h3 { font-size: 1.15rem; font-weight: 500; margin-bottom: .15rem; }
.link-grid a:hover { box-shadow: 0 0 20px rgba(126, 232, 162, .35), 0 12px 30px rgba(0, 0, 0, .35); color: var(--accent); transform: translateY(-4px); }
.link-grid a i { font-size: 1.5rem; margin-bottom: .6rem; }
.link-grid a span { color: var(--muted); font-size: .78rem; }

footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  padding: 1.5rem clamp(1rem, 5vw, 3rem) 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .1em;
}

.sakura { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.sakura i {
  position: absolute;
  top: -5vh;
  width: 10px;
  height: 10px;
  background: var(--accent-2);
  border-radius: 80% 0 80% 0;
  opacity: 0;
  animation: fall linear infinite;
}

.sakura i:nth-child(1) { left: 10%; animation-duration: 12s; animation-delay: 0s; opacity: .5; }
.sakura i:nth-child(2) { left: 25%; animation-duration: 15s; animation-delay: 3s; opacity: .35; transform: scale(.7); }
.sakura i:nth-child(3) { left: 40%; animation-duration: 11s; animation-delay: 1s; opacity: .45; }
.sakura i:nth-child(4) { left: 55%; animation-duration: 14s; animation-delay: 5s; opacity: .3; transform: scale(.8); }
.sakura i:nth-child(5) { left: 70%; animation-duration: 13s; animation-delay: 2s; opacity: .5; }
.sakura i:nth-child(6) { left: 82%; animation-duration: 16s; animation-delay: 7s; opacity: .35; transform: scale(.6); }
.sakura i:nth-child(7) { left: 90%; animation-duration: 10s; animation-delay: 4s; opacity: .45; }
.sakura i:nth-child(8) { left: 18%; animation-duration: 17s; animation-delay: 9s; opacity: .3; transform: scale(.5); }
.sakura i:nth-child(9) { left: 62%; animation-duration: 12s; animation-delay: 6s; opacity: .4; transform: scale(.75); }
.sakura i:nth-child(10) { left: 33%; animation-duration: 18s; animation-delay: 8s; opacity: .28; transform: scale(.65); }

@keyframes fall {
  0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  100% { transform: translateY(110vh) translateX(-8vw) rotate(320deg); opacity: 0; }
}

main {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* All pages visible by default (SEO: crawlers see everything without JS) */
.page {
  display: flex;
  flex-direction: column;
}

/* JS enabled: hide non-active pages for SPA navigation */
body.js-nav .page { display: none; }
body.js-nav .page.active {
  display: flex;
  flex-direction: column;
  animation: pageIn .35s ease both;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .hero-copy, .terminal { margin-left: auto; margin-right: auto; }
  .terminal { display: flex; justify-content: center; }
  .avatar-wrap { order: -1; margin: 0 auto; }
  .identity { text-align: center; }
  .cards, .project-grid { grid-template-columns: 1fr; }
  .link-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .site-header { flex-direction: column; gap: .5rem; padding: .75rem 1rem; }
  .nav { gap: .75rem; font-size: .72rem; flex-wrap: wrap; justify-content: center; }
  .brand { font-size: .85rem; }
  .link-grid { grid-template-columns: 1fr; }
  footer { justify-content: center; text-align: center; flex-direction: column; gap: .4rem; }
  h1 { font-size: 2.2rem; }
  .japanese { letter-spacing: .15em; }
  .terminal { font-size: .75rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}