/* =========================================================
   Daphnia Works
   Base: near-neutral (hue 356°, chroma 2–5)
   Accent: #ff1a94 — decorative use only, never behind text
   ========================================================= */

:root {
  --surface: #fffbfc;
  --surface-low: #fdf8fa;
  --surface-mid: #f7f2f4;
  --on-surface: #1e1b1c;
  --on-surface-var: #665c5f;
  --outline: #7f7478;
  --outline-var: #e6dade;

  --link: #b60c68;
  --accent: #ff1a94;

  --edge: 1px solid var(--outline-var);
  --motion: 180ms cubic-bezier(.2, 0, 0, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface: #1a1718;
    --surface-low: #1e1b1c;
    --surface-mid: #221f20;
    --on-surface: #e6e1e3;
    --on-surface-var: #d0c3c7;
    --outline: #998e91;
    --outline-var: #40373a;
    --link: #fdb1cc;
    --accent: #ff4faa;
  }
}

:root[data-theme="dark"] {
  --surface: #1a1718;
  --surface-low: #1e1b1c;
  --surface-mid: #221f20;
  --on-surface: #e6e1e3;
  --on-surface-var: #d0c3c7;
  --outline: #998e91;
  --outline-var: #40373a;
  --link: #fdb1cc;
  --accent: #ff4faa;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--on-surface);
  font-family: Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN",
               "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  transition: background var(--motion), color var(--motion);
}

h1, h2, h3 { margin: 0; font-weight: 400; }
p { margin: 0 0 1.1em; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
  padding-inline: 32px;
}

.mono {
  font-family: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-feature-settings: "tnum";
}

/* ---------- top bar ---------- */
.bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 22px;
}

.bar__mark { flex: none; color: var(--accent); display: block; }

.bar__name {
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.bar__spacer { flex: 1; }

.toggle {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  border: var(--edge);
  border-radius: 50%;
  background: transparent;
  color: var(--on-surface-var);
  cursor: pointer;
  transition: border-color var(--motion), color var(--motion);
}

.toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding-block: 72px 88px;
  overflow: hidden;
}

.hero__eyebrow {
  display: block;
  margin-bottom: 28px;
  font-size: .75rem;
  letter-spacing: .22em;
  color: var(--accent);
}

.hero h1 {
  max-width: 15em;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.32;
  letter-spacing: -.015em;
  font-weight: 500;
}

.hero__lede {
  max-width: 30em;
  margin-top: 32px;
  margin-bottom: 0;
  color: var(--on-surface-var);
}

/* decorative daphnia, bleeds off the right edge */
.hero__art {
  position: absolute;
  right: -120px;
  top: 10%;
  width: 460px;
  color: var(--accent);
  opacity: .13;
  pointer-events: none;
}

@media (max-width: 900px) {
  .hero__art { right: -180px; width: 380px; opacity: .09; }
}

/* ---------- sections ---------- */
.sect {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0 32px;
  padding-block: 52px;
  border-top: var(--edge);
}

.sect__num {
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--accent);
  padding-top: .35em;
}

.sect__title {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: .01em;
  margin-bottom: 28px;
}

.sect__body > :last-child { margin-bottom: 0; }

@media (max-width: 720px) {
  .sect {
    grid-template-columns: 1fr;
    gap: 0;
    padding-block: 40px;
  }
  .sect__num { margin-bottom: 10px; padding-top: 0; }
}

/* ---------- ruled rows ---------- */
.rows { margin: 0; }

.row {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 4px 24px;
  padding-block: 18px;
  border-bottom: var(--edge);
}

.row:first-child { padding-top: 0; }
.row:last-child { border-bottom: none; padding-bottom: 0; }

.row__k {
  color: var(--on-surface-var);
  font-size: .82rem;
  letter-spacing: .06em;
  padding-top: .25em;
}

.row__v { margin: 0; }

@media (max-width: 720px) {
  .row { grid-template-columns: 1fr; }
  .row__k { padding-top: 0; }
}

/* ---------- work list ---------- */
.work {
  padding-block: 22px;
  border-bottom: var(--edge);
}

.work:first-child { padding-top: 0; }
.work:last-child { border-bottom: none; padding-bottom: 0; }

.work__name {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 4px;
}

.work__desc {
  margin: 0;
  color: var(--on-surface-var);
  font-size: .9rem;
}

/* ---------- inline link ---------- */
.ilink {
  color: var(--link);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  transition: background var(--motion);
}

.ilink:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }

/* ---------- big contact link ---------- */
.contact {
  display: inline-block;
  font-size: clamp(1.2rem, 3.4vw, 1.9rem);
  letter-spacing: -.01em;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 6px;
  transition: color var(--motion);
}

.contact:hover { color: var(--link); }

.muted { color: var(--on-surface-var); }

/* ---------- footer ---------- */
.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  padding-block: 36px 56px;
  border-top: var(--edge);
  font-size: .82rem;
  color: var(--on-surface-var);
}

.foot a:hover { color: var(--link); }
.foot__spacer { flex: 1; }

/* ---------- document (privacy) ---------- */
.doc { padding-block: 56px 24px; }

.doc h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -.01em;
}

.doc__date {
  display: block;
  margin-top: 14px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--accent);
}

.doc__body { max-width: 38em; }

.doc__body h2 {
  margin: 48px 0 14px;
  padding-top: 20px;
  border-top: var(--edge);
  font-size: 1rem;
  font-weight: 500;
}

.doc__body h3 {
  margin: 26px 0 6px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--on-surface-var);
}

.doc__body ul { margin: 0 0 1.1em; padding-left: 1.3em; }
.doc__body li { margin-bottom: 6px; }
.doc__body li::marker { color: var(--accent); }

@media (max-width: 720px) {
  .wrap { padding-inline: 20px; }
  .hero { padding-block: 48px 60px; }
  body { line-height: 1.85; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}