/* ---------- design tokens ---------- */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Instrument Serif', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --color-bg: #f6f4ee;
  --color-bg-soft: #efece4;
  --color-surface: #ffffff;
  --color-text-primary: #16140f;
  --color-text-secondary: #565248;
  --color-text-tertiary: #8c887d;
  --color-line: rgba(22, 20, 15, 0.12);
  --color-line-soft: rgba(22, 20, 15, 0.06);
  --color-accent: #d85a30;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --easing: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #100f0c;
    --color-bg-soft: #181713;
    --color-surface: #1d1c18;
    --color-text-primary: #f1ede2;
    --color-text-secondary: #a8a496;
    --color-text-tertiary: #6e6a5e;
    --color-line: rgba(241, 237, 226, 0.12);
    --color-line-soft: rgba(241, 237, 226, 0.06);
  }
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100vh;
  overflow: hidden;
}
body.modal-open { overflow: hidden; }
ul { list-style: none; padding: 0; margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; padding: 0; cursor: pointer; color: inherit; }

/* ---------- page layout ---------- */
.page {
  height: 100vh;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 40px 24px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
}

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
}
.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(216, 90, 48, 0.12);
}
.topnav {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-secondary);
}
.topnav a,
.topnav .topnav-action {
  position: relative;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}
.topnav a:hover,
.topnav .topnav-action:hover { color: var(--color-text-primary); }
.topnav-cta {
  padding: 8px 14px !important;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-text-primary) !important;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.topnav-cta:hover {
  background: var(--color-text-primary);
  color: var(--color-bg) !important;
  border-color: var(--color-text-primary);
}

/* ---------- hero ---------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 20px;
  padding: 0 16px;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin: 0;
}
.hero-title {
  margin: 0;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--color-text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.hero-roles {
  display: block;
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-wrap: balance;
  max-width: 14ch;
}
.word-stage {
  position: relative;
  display: block;
  width: 100%;
  font-size: clamp(64px, 10vw, 116px);
  height: 1em;
  line-height: 1;
}
.word-track {
  position: absolute;
  inset: 0;
  display: block;
}
.word-item {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, 0.14em);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1em;
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
  opacity: 0;
  transition:
    opacity 0.55s ease,
    transform 0.65s var(--easing);
  will-change: transform, opacity;
}
.word-item.in {
  opacity: 1;
  transform: translate(-50%, 0);
}
.word-item.out {
  opacity: 0;
  transform: translate(-50%, -0.12em);
}
.hero-sub {
  margin: 4px 0 0;
  max-width: 460px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

/* ---------- work / project list ---------- */
.work {
  border-top: 1px solid var(--color-line-soft);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}
.work-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.section-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
}
.section-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
}

.project-list {
  display: grid;
  gap: 0;
  overflow: hidden;
}
.project-row {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  align-items: center;
  gap: 18px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--color-line-soft);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background 0.2s ease, padding 0.2s ease;
}
.project-row:last-child { border-bottom: 0; }
.project-row:hover {
  padding-left: 12px;
  padding-right: 12px;
  background: var(--color-bg-soft);
}
.project-row:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.project-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
}
.project-title {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
}
.project-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
}
.project-arrow {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  transition: transform 0.25s var(--easing), color 0.2s ease;
}
.project-row:hover .project-arrow {
  transform: translateX(4px);
  color: var(--color-text-primary);
}

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--color-line-soft);
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}
.socials {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.socials a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}
.socials a:hover { color: var(--color-text-primary); }
.socials svg { flex-shrink: 0; }

/* ---------- responsive ---------- */
@media (max-width: 768px) {
  body { overflow: auto; height: auto; }
  .page {
    height: auto;
    min-height: 100vh;
    padding: 20px 18px;
    gap: 28px;
  }
  .hero { padding: 24px 0; }
  .hero-sub { font-size: 13px; }
  .word-stage { height: 1em; }
  .hero-roles { max-width: 11ch; }
  .project-row {
    grid-template-columns: 28px 1fr auto;
    gap: 12px;
  }
  .project-row .project-arrow { display: none; }
  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .socials {
    justify-content: flex-start;
    gap: 16px;
  }
  .topnav { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .word-item,
  .project-row,
  .project-arrow,
  .topnav a {
    transition: none !important;
  }
}