/* ------- Tokens ------- */
:root {
  /* Palette */
  --deep-sea:     #0E1F1E;
  --seafoam:      #5F8F86;
  --soft-sage:    #A8B6AC;
  --sunset-sand:  #F2D7A6;
  --golden-hour:  #F5B244;
  --cream:        #FAF4EC;
  --offwhite:     #FFFFFF;

  /* Theme: cream (default) */
  --bg:           var(--cream);
  --bg-card:      #F3ECDD;
  --ink:          var(--deep-sea);
  --ink-soft:     #3F4A48;
  --ink-mute:     #6E7975;
  --line:         #E2DBCD;
  --line-soft:    #ECE5D6;
  --accent:       var(--golden-hour);
  --accent-ink:   #2a1d05;

  /* Type */
  --font-serif:   "Source Serif 4", "Noto Serif JP", Georgia, serif;
  --font-sans:    "IBM Plex Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing */
  --s-4: 4px; --s-8: 8px; --s-12: 12px; --s-16: 16px;
  --s-24: 24px; --s-32: 32px; --s-48: 48px; --s-64: 64px;

  /* Mobile-first */
  --stage-w: 440px;
  --side: 20px;
}

/* Theme: deep */
html[data-theme="deep"] {
  --bg:        #0E1F1E;
  --bg-card:   #15292A;
  --ink:       #F3EEDD;
  --ink-soft:  #C7C8C0;
  --ink-mute:  #8C9591;
  --line:      #1F3635;
  --line-soft: #1A2F2E;
  --accent-ink:#0E1F1E;
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.page { min-height: 100vh; }

/* ------- Top utility bar (lang only) ------- */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: flex-end;
  padding: 14px 20px;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
}
.lang-toggle {
  display: inline-flex; align-items: center; gap: 4px;
  background: transparent;
  border: 1px solid var(--line);
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-mute);
  cursor: pointer;
  letter-spacing: 0.08em;
}
.lang-toggle .lang { padding: 0 2px; }
.lang-toggle .lang.on { color: var(--ink); }
.lang-toggle .lang-sep { color: var(--line); }
.lang-toggle:hover { border-color: var(--ink-mute); }

/* ------- Stage (mobile-first single column) ------- */
.stage {
  max-width: var(--stage-w);
  margin: 0 auto;
  padding: 8px var(--side) 64px;
}

/* ------- Profile ------- */
.profile {
  text-align: center;
  padding: 24px 4px 36px;
}

.avatar {
  position: relative;
  width: 144px; height: 144px;
  margin: 8px auto 28px;
}
.avatar-inner {
  position: absolute; inset: 0;
  border-radius: 999px;
  background:
    radial-gradient(circle at 35% 35%, #B8C9BD 0%, #8FA697 55%, #5F8F86 100%);
  display: flex; align-items: center; justify-content: center;
  color: var(--cream);
  font-family: var(--font-serif);
  font-size: 38px;
  letter-spacing: 0.02em;
  overflow: hidden;
}
.avatar-ring {
  position: absolute; inset: -6px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
html[data-theme="deep"] .avatar-ring { border-color: #2A4544; }
html[data-theme="deep"] .avatar-inner {
  background: radial-gradient(circle at 35% 35%, #7DA89D 0%, #4F7B73 55%, #2D5450 100%);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 34px;
  letter-spacing: -0.005em;
  line-height: 1.1;
  margin: 0;
  color: var(--ink);
}
.name-roman {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.bio {
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
  margin: 22px auto 0;
  max-width: 36ch;
  text-wrap: pretty;
}

/* ------- Socials ------- */
.socials {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}
.social {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: transparent;
  transition: color .15s, border-color .15s, background .15s, transform .15s;
}
.social:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* ------- Block heads ------- */
.block-head { margin-bottom: 20px; }
.block-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--accent);
}
.block-lead {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 36ch;
}

/* ------- Products ------- */
.products { padding: 24px 0 8px; }
.app-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.app-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .25s ease, border-color .2s ease, box-shadow .2s ease;
}
.app-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink-mute);
}
.app-card:hover .app-icon { transform: translate(-50%, -50%) scale(1.04) rotate(-1deg); }
.app-card:hover .app-arrow { transform: translate(2px, -2px); }

.app-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.app-icon {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(42%, 148px);
  border-radius: 26%;
  box-shadow: 0 18px 50px rgba(14, 31, 30, 0.26);
  transform: translate(-50%, -50%);
  transition: transform .35s ease;
}
.app-thumb-top {
  position: absolute;
  top: 12px; left: 14px; right: 14px;
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(250, 244, 236, 0.9);
  text-transform: uppercase;
}

.app-body { padding: 16px 18px 18px; }
.app-name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--ink);
}
.app-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14.5px;
  color: var(--accent);
  margin: 4px 0 10px;
}
.app-blurb {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0;
}
.app-foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: space-between;
}
.store-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.app-arrow {
  color: var(--accent);
  font-size: 16px;
  transition: transform .2s ease;
}

/* ------- Contact ------- */
.contact { padding: 36px 0 24px; }
.subscribe {
  display: flex; gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.input {
  flex: 1 1 200px;
  padding: 11px 12px;
  background: var(--offwhite);
  border: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color .15s;
}
html[data-theme="deep"] .input { background: #1A2F2E; color: var(--ink); }
.input:focus { border-color: var(--ink); }
.input.err { border-color: #C97B3F; }
.btn-sub {
  padding: 11px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  border: 1px solid var(--accent);
  font-family: var(--font-sans);
  font-size: 13.5px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background .15s;
}
.btn-sub:hover { background: color-mix(in oklab, var(--accent) 86%, #000); }

/* ------- Footer ------- */
.foot {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  text-align: center;
}
.foot-tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
  color: var(--accent);
  margin-bottom: 6px;
}
.foot-copy {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

/* ------- Wider viewports — keep mobile shape, just breathe ------- */
@media (min-width: 600px) {
  .stage { padding-top: 24px; padding-bottom: 80px; }
  .avatar { width: 160px; height: 160px; }
  .name { font-size: 38px; }
}