/* Japanese-Finnish-American: washi paper + sumi ink + vermilion accent.
   Restraint, hairlines, generous negative space. */

/* Light theme — washi paper + sumi ink + vermilion. */
:root {
  --bg: #f4f0e6;
  --surface: #ede8da;
  --fg: #1a1815;
  --muted: #6f6a5e;
  --accent: #a8392c;
  --accent-hover: #862a20;
  --hairline: #d6cfbd;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 18px 40px -20px rgba(0,0,0,.08);
}

/* Dark theme — sumi night. Applied when OS prefers dark
   AND no explicit manual override is set. */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14130f;
    --surface: #1c1b16;
    --fg: #ebe5d3;
    --muted: #8c8674;
    --accent: #d6604e;
    --accent-hover: #e88472;
    --hairline: #2a2820;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 18px 40px -20px rgba(0,0,0,.5);
  }
}

/* Manual overrides — set by the toggle, persisted in localStorage.
   Attribute selectors override the media query above. */
html[data-theme="light"] {
  --bg: #f4f0e6;
  --surface: #ede8da;
  --fg: #1a1815;
  --muted: #6f6a5e;
  --accent: #a8392c;
  --accent-hover: #862a20;
  --hairline: #d6cfbd;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 18px 40px -20px rgba(0,0,0,.08);
}

html[data-theme="dark"] {
  --bg: #14130f;
  --surface: #1c1b16;
  --fg: #ebe5d3;
  --muted: #8c8674;
  --accent: #d6604e;
  --accent-hover: #e88472;
  --hairline: #2a2820;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 18px 40px -20px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-serif, "Iowan Old Style", "Hiragino Mincho ProN", "YuMincho", Georgia, serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 240ms ease, color 240ms ease;
}

body {
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 6rem 1.5rem 4rem;
  position: relative;
}

/* --- Theme toggle ------------------------------------------------------ */

.toggle {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  border: none;
  padding: 0;
  font: inherit;
  transition: color 200ms ease;
  z-index: 10;
}

.toggle:hover { color: var(--accent); }
.toggle:focus-visible { outline: 1px solid var(--accent); outline-offset: 4px; border-radius: 50%; }

.toggle .sun, .toggle .moon {
  width: 18px; height: 18px;
  position: absolute;
  transition: opacity 240ms ease, transform 240ms ease;
}

/* Default (light): show moon (click → dark).
   Dark active: show sun (click → light). */
.toggle .sun  { opacity: 0; transform: rotate(-30deg) scale(.85); }
.toggle .moon { opacity: 1; transform: rotate(0) scale(1); }

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .toggle .sun  { opacity: 1; transform: rotate(0) scale(1); }
  html:not([data-theme="light"]) .toggle .moon { opacity: 0; transform: rotate(30deg) scale(.85); }
}

html[data-theme="dark"] .toggle .sun  { opacity: 1; transform: rotate(0) scale(1); }
html[data-theme="dark"] .toggle .moon { opacity: 0; transform: rotate(30deg) scale(.85); }
html[data-theme="light"] .toggle .sun  { opacity: 0; transform: rotate(-30deg) scale(.85); }
html[data-theme="light"] .toggle .moon { opacity: 1; transform: rotate(0) scale(1); }

/* --- Card -------------------------------------------------------------- */

.card {
  width: 100%;
  max-width: 440px;
  text-align: center;
}

.card.wide { max-width: 680px; text-align: left; }

/* Avatar */
.avatar-frame {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 2rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  position: relative;
}

.avatar-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  pointer-events: none;
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 42% 25%;
  transform: scale(1.25);
  transform-origin: 42% 25%;
  display: block;
}

.portrait img {
  filter: url(#portrait) contrast(1.04) saturate(1.02);
}

/* --- Typography -------------------------------------------------------- */

h1 {
  font-size: 2.1rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.005em;
  font-weight: 500;
}

/* Hairline ornament under the name — a small Japanese-style mark. */
.rule {
  display: block;
  width: 36px;
  height: 1px;
  background: var(--accent);
  margin: 1.25rem auto 1.25rem;
  opacity: 0.85;
}

.tagline {
  color: var(--muted);
  font-size: 1.02rem;
  margin: 0 0 1rem;
  font-style: italic;
  letter-spacing: 0.01em;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 2.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}

.status a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}

.status a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(168, 57, 44, 0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(168, 57, 44, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .status .dot { animation: none; }
}

/* --- Links list -------------------------------------------------------- */

.links {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  display: inline-block;
}

.links li {
  margin: 0.5rem 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Inter", sans-serif;
  font-size: 0.98rem;
}

.links a {
  color: var(--fg);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.2rem 0;
  transition: color 160ms ease;
}

.links a:hover { color: var(--accent); }
.links a:hover .icon { color: var(--accent); }

.links .icon {
  width: 1.05em;
  height: 1.05em;
  flex-shrink: 0;
  color: var(--muted);
  transition: color 160ms ease;
}

.links .note {
  color: var(--muted);
  font-size: 0.82rem;
  font-style: italic;
}

/* --- Contact ----------------------------------------------------------- */

.contact {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.9rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: 0.03em;
}

.agents-link {
  margin: 0.75rem 0 0;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.agents-link a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dotted var(--hairline);
}

.agents-link a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* --- Generic links ----------------------------------------------------- */

a, a:visited { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* --- Projects page ----------------------------------------------------- */

.back {
  margin: 0 0 2.5rem;
  font-size: 0.9rem;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.project {
  border-top: 1px solid var(--hairline);
  padding: 2rem 0;
}

.project:last-child { border-bottom: 1px solid var(--hairline); }

.project h2 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  font-weight: 500;
}

.project h3 {
  margin: 1.25rem 0 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.project p { margin: 0.25rem 0; }

.meta {
  color: var(--muted);
  font-size: 0.85rem;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.project-video {
  height: 500px;
  width: auto;
  max-width: 100%;
  margin: 1.25rem auto 0.5rem;
  border: none;
  border-radius: 4px;
  background: var(--surface);
  display: block;
}

.coming-soon {
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--accent);
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Work page */
.work-section {
  margin-top: 2.5rem;
}

.work-section h2 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 0.75rem;
  letter-spacing: 0.005em;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 0.4rem;
}

.work-section ul {
  padding-left: 1.2rem;
  margin: 0.5rem 0 0;
}

.work-section ul li {
  margin: 0.5rem 0;
}

.work-section ul li::marker { color: var(--accent); }

.work-section p { margin: 0.5rem 0; }

.cv-link {
  margin: 0 0 2rem;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.95rem;
}

.cv-link a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 2px;
  transition: border-color 120ms ease, color 120ms ease;
}

.cv-link a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}