:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-soft: #eef1f5;
  --surface-paper: #fbf7ee;
  --text: #17212b;
  --muted: #66717d;
  --line: #d9e0e8;
  --line-strong: #c3ccd7;
  --accent: #315d8c;
  --accent-strong: #234873;
  --accent-soft: #e4edf7;
  --warm: #c8784e;
  --shadow: 0 18px 54px rgba(34, 49, 67, 0.08);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: Inter, "Noto Sans SC", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121820;
  --surface: #19222d;
  --surface-soft: #202d3b;
  --surface-paper: #28251e;
  --text: #eef3f8;
  --muted: #a9b5c2;
  --line: #344250;
  --line-strong: #4b5b6b;
  --accent: #8eb9e6;
  --accent-strong: #b6d4f2;
  --accent-soft: #203650;
  --warm: #e6a47c;
  --shadow: 0 20px 64px rgba(0, 0, 0, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(49, 93, 140, 0.1), transparent 25rem),
    radial-gradient(circle at 95% 12%, rgba(200, 120, 78, 0.07), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  transition: background 180ms ease, color 180ms ease;
}

::selection {
  background: var(--accent);
  color: #fff;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-strong);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--warm);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 0.85rem;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-160%);
  transition: transform 150ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(1080px, calc(100% - 3rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--accent-strong);
  font-family: var(--serif);
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2.5vw, 1.8rem);
  margin-left: auto;
  margin-right: 1rem;
}

.site-nav a,
.footer-wrap a {
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: none;
}

.site-nav a:hover,
.footer-wrap a:hover {
  color: var(--text);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.7rem;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 0.74rem;
  cursor: pointer;
}

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

.theme-icon {
  color: var(--accent-strong);
  font-size: 0.95rem;
}

.intro {
  padding: clamp(5.5rem, 12vw, 9.5rem) 0 clamp(5rem, 9vw, 8rem);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.65fr);
  align-items: end;
  gap: clamp(3rem, 9vw, 8rem);
}

.eyebrow,
.section-kicker,
.card-label,
.note-label,
.role {
  margin: 0;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.5;
  text-transform: uppercase;
}

.intro h1 {
  max-width: 14ch;
  margin: 1.25rem 0 1.5rem;
  font-family: var(--serif);
  font-size: clamp(3.7rem, 9vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.93;
}

.intro h1 span {
  display: block;
  margin-top: 0.85rem;
  color: var(--muted);
  font-family: var(--sans);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.intro-lede {
  max-width: 43rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  letter-spacing: -0.015em;
  line-height: 1.5;
}

.intro-links,
.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.85rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover {
  background: var(--accent-strong);
  color: #fff;
}

.button-secondary,
.button-quiet {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.button-secondary:hover,
.button-quiet:hover {
  border-color: var(--accent);
  color: var(--text);
}

.intro-note {
  padding: 1.35rem 0 0 1.6rem;
  border-left: 1px solid var(--line-strong);
}

.note-title {
  margin: 0.65rem 0 0.2rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.note-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.availability {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.4rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  line-height: 1.5;
}

.availability-dot {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #4eae7f;
  box-shadow: 0 0 0 0.22rem rgba(78, 174, 127, 0.16);
}

.resume-section {
  padding: clamp(5rem, 9vw, 8rem) 0;
  border-top: 1px solid var(--line);
}

.section-muted {
  background: color-mix(in srgb, var(--surface-soft) 65%, transparent);
}

.section-paper {
  background: var(--surface-paper);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.55fr);
  align-items: end;
  gap: 2rem;
  margin-bottom: 2.6rem;
}

.section-heading-inline {
  grid-template-columns: 1fr auto;
}

.section-heading h2 {
  max-width: 14ch;
  margin: 0.8rem 0 0;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5.2vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.info-card {
  min-height: 11.5rem;
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
}

.info-card-wide {
  grid-column: span 2;
}

.info-card h3 {
  margin: 1.5rem 0 0.55rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.info-card p:not(.card-label) {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.info-card .card-detail {
  color: var(--text);
}

.muted {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.42em;
  letter-spacing: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag-list span {
  padding: 0.48rem 0.65rem;
  border-radius: 0.6rem;
  background: var(--accent-soft);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.experience-list {
  border-top: 1px solid var(--line);
}

.experience-item {
  display: grid;
  grid-template-columns: 185px minmax(0, 1fr);
  gap: clamp(1.5rem, 6vw, 5rem);
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--line);
}

.experience-meta {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  padding-top: 0.2rem;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.5;
}

.experience-meta span + span {
  color: var(--muted);
}

.experience-content {
  max-width: 50rem;
}

.experience-content h3 {
  margin: 0.55rem 0 1rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.experience-content ul {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.experience-content li::marker {
  color: var(--warm);
}

.project-list {
  border-top: 1px solid var(--line);
}

.project-row {
  display: grid;
  grid-template-columns: 3.2rem minmax(150px, 0.65fr) minmax(0, 1fr) 1.2rem;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: color 180ms ease, padding 180ms ease;
}

.project-row:hover {
  padding-right: 0.4rem;
  padding-left: 0.4rem;
  color: var(--accent-strong);
}

.project-index {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.project-name {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.project-description {
  color: var(--muted);
  font-size: 0.88rem;
}

.project-arrow {
  color: var(--accent);
  font-size: 1.1rem;
  text-align: right;
}

.source-note {
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.text-link {
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
}

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

.paper-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.7fr);
  align-items: start;
  gap: clamp(2rem, 8vw, 7rem);
}

.paper-grid h2 {
  max-width: 12ch;
  margin: 0.8rem 0 0;
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5.5vw, 5.1rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.paper-title {
  max-width: 34rem;
  margin: 1.4rem 0 0;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
}

.paper-copy {
  max-width: 40rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.paper-callout {
  padding: 1.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--surface) 56%, transparent);
}

.paper-callout h3 {
  margin: 0.8rem 0 0.65rem;
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.paper-callout p:not(.note-label) {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.contact-section {
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.75fr);
  align-items: end;
  gap: clamp(2rem, 8vw, 7rem);
}

.contact-grid h2 {
  max-width: 11ch;
  margin: 0.8rem 0 0;
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.contact-copy {
  margin: 1.2rem 0 0;
  color: var(--muted);
}

.contact-links {
  border-top: 1px solid var(--line);
}

.contact-links a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  text-decoration: none;
}

.contact-links a span:first-child {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
}

.contact-links a span:last-child {
  text-align: right;
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.footer-wrap p {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

@media (max-width: 820px) {
  .intro-grid,
  .paper-grid,
  .contact-grid,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .intro-note {
    max-width: 26rem;
  }

  .section-heading-inline {
    grid-template-columns: 1fr auto;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 1.5rem, 1080px);
  }

  .site-header {
    position: static;
  }

  .nav-wrap {
    flex-wrap: wrap;
    padding: 0.8rem 0;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    margin: 0;
    padding-top: 0.55rem;
    border-top: 1px solid var(--line);
  }

  .theme-label {
    display: none;
  }

  .intro {
    padding-top: 4.5rem;
  }

  .intro h1 {
    font-size: clamp(3.4rem, 16vw, 5.6rem);
  }

  .intro-note {
    padding-left: 1.1rem;
  }

  .profile-grid {
    grid-template-columns: 1fr;
  }

  .info-card-wide {
    grid-column: auto;
  }

  .experience-item {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .project-row {
    grid-template-columns: 2.2rem minmax(0, 1fr) 1rem;
    gap: 0.65rem;
  }

  .project-description {
    grid-column: 2 / 3;
    font-size: 0.8rem;
  }

  .project-arrow {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .section-heading-inline {
    gap: 1rem;
  }

  .contact-links a {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.15rem;
  }

  .contact-links a span:last-child {
    text-align: left;
  }

  .footer-wrap {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Simulated MOSS-Video-Preview interface */
.demo-page {
  background:
    radial-gradient(circle at 12% 0%, rgba(49, 93, 140, 0.12), transparent 26rem),
    var(--bg);
}

.demo-intro {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0 3.5rem;
}

.back-link {
  display: inline-flex;
  margin-bottom: 2.8rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  text-decoration: none;
}

.back-link:hover {
  color: var(--accent-strong);
}

.demo-intro h1 {
  max-width: 13ch;
  margin: 1rem 0 1.4rem;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 8vw, 6.6rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.92;
}

.demo-intro h1 span {
  color: var(--accent-strong);
}

.demo-lede {
  max-width: 46rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.55;
}

.demo-disclaimer {
  max-width: 52rem;
  margin: 1.6rem 0 0;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--warm);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.78rem;
}

.demo-disclaimer strong {
  color: var(--text);
}

.demo-workspace {
  padding: 0 0 clamp(5rem, 10vw, 8rem);
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.7fr);
  align-items: start;
  gap: 1rem;
}

.video-card,
.control-card {
  border: 1px solid var(--line-strong);
  border-radius: 1.1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.video-card {
  overflow: hidden;
}

.video-toolbar,
.video-footer,
.control-heading,
.event-log-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.video-toolbar,
.video-footer {
  padding: 0.85rem 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.video-time {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.video-toolbar {
  border-bottom: 1px solid var(--line);
}

.video-footer {
  border-top: 1px solid var(--line);
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.live-pill span {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #db6b5c;
  box-shadow: 0 0 0 0.2rem rgba(219, 107, 92, 0.17);
}

.video-stage {
  position: relative;
  min-height: clamp(21rem, 45vw, 33rem);
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, #cbe6f2 0%, #d6e9d5 58%, #9ec58c 100%);
}

[data-theme="dark"] .video-stage {
  background: linear-gradient(180deg, #24435a 0%, #294536 58%, #344d3b 100%);
}

.stage-grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.75) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.75) 1px, transparent 1px);
  background-size: 8% 12%;
}

.stage-sun {
  position: absolute;
  top: 12%;
  right: 13%;
  width: clamp(3.5rem, 9vw, 6rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255, 226, 147, 0.86);
  box-shadow: 0 0 3rem rgba(255, 223, 150, 0.48);
}

.stage-hill {
  position: absolute;
  right: -10%;
  bottom: -18%;
  width: 80%;
  height: 58%;
  border-radius: 50% 50% 0 0;
  background: #7ba77b;
  transform: rotate(-7deg);
}

.stage-hill-back {
  right: 28%;
  bottom: -26%;
  width: 74%;
  height: 47%;
  background: #a5c59b;
  transform: rotate(8deg);
}

.stage-hill-front {
  z-index: 2;
  right: -20%;
  bottom: -36%;
  width: 110%;
  height: 52%;
  background: #5c8d69;
}

.stage-person,
.stage-bicycle {
  position: absolute;
  z-index: 3;
  color: #1b3241;
  font-family: var(--mono);
  font-size: 0.64rem;
  transition: transform 90ms linear, opacity 180ms ease;
}

.stage-person {
  bottom: 31%;
  left: 29%;
  width: 2.2rem;
  height: 5.6rem;
  border: 2px solid #1b3241;
  border-radius: 48% 48% 34% 34%;
  background: rgba(219, 234, 246, 0.58);
}

.stage-person::before {
  position: absolute;
  top: -1.5rem;
  left: 0.35rem;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid #1b3241;
  border-radius: 50%;
  background: #d9e9ef;
  content: "";
}

.stage-bicycle {
  bottom: 27%;
  left: 49%;
  width: 5rem;
  height: 2.6rem;
  opacity: 0;
}

.stage-bicycle::before,
.stage-bicycle::after {
  position: absolute;
  bottom: 0;
  width: 1.8rem;
  height: 1.8rem;
  border: 2px solid #1b3241;
  border-radius: 50%;
  content: "";
}

.stage-bicycle::before {
  left: 0;
}

.stage-bicycle::after {
  right: 0;
}

.stage-person span,
.stage-bicycle span {
  position: absolute;
  top: -1.35rem;
  left: 50%;
  padding: 0.16rem 0.28rem;
  border: 1px solid rgba(27, 50, 65, 0.46);
  background: rgba(239, 248, 250, 0.74);
  color: #1b3241;
  white-space: nowrap;
  transform: translateX(-50%);
}

.stage-caption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: 4;
  max-width: min(70%, 28rem);
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 0.6rem;
  background: rgba(18, 30, 38, 0.76);
  color: #fff;
  font-size: 0.78rem;
}

.stage-scanline {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent 0 49%, rgba(255, 255, 255, 0.2) 50%, transparent 51%);
  background-size: 100% 0.65rem;
  opacity: 0.18;
  mix-blend-mode: screen;
}

.signal-dot {
  display: inline-block;
  width: 0.42rem;
  height: 0.42rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: #4eae7f;
}

.control-card {
  padding: 1.25rem;
}

.control-heading h2 {
  margin: 0.4rem 0 0;
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.state-chip {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.3rem 0.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
}

.state-chip.is-live {
  border-color: #4eae7f;
  color: #32845e;
}

.control-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.4rem;
}

.control-buttons .button {
  min-height: 2.55rem;
  font-size: 0.74rem;
}

.scrubber-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.scrubber {
  width: 100%;
  margin: 0.7rem 0 0;
  accent-color: var(--accent);
}

.scrubber-ticks {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin-top: 1.5rem;
}

.metric-grid div {
  display: grid;
  gap: 0.22rem;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: var(--surface-soft);
}

.metric-grid span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  text-transform: uppercase;
}

.metric-grid strong {
  font-size: 0.72rem;
  font-weight: 700;
}

.event-log {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.event-log-heading {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.64rem;
}

.event-log ol {
  display: grid;
  gap: 0.55rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.event-log li {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.45rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.event-log li.is-active {
  background: var(--accent-soft);
  color: var(--text);
}

.event-time {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.demo-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.demo-notes p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.demo-notes strong {
  color: var(--text);
}

.note-number {
  display: inline-block;
  margin-right: 0.55rem;
  color: var(--warm);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
}

@media (max-width: 820px) {
  .demo-grid,
  .demo-notes {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .demo-intro h1 {
    font-size: clamp(2.9rem, 14vw, 4.5rem);
  }

  .video-stage {
    min-height: 19rem;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }
}

/* Demo page -------------------------------------------------------------- */
.demo-intro {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0 3.8rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2.8rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: none;
}

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

.demo-intro h1 {
  max-width: 12ch;
  margin: 1rem 0 1.3rem;
  font-size: clamp(2.9rem, 8vw, 6.5rem);
  font-weight: 780;
  letter-spacing: -0.08em;
  line-height: 0.96;
}

.demo-intro h1 span {
  color: var(--accent-strong);
}

.demo-lede {
  max-width: 41rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.55;
}

.demo-disclaimer {
  max-width: 48rem;
  margin: 1.55rem 0 0;
  border-left: 2px solid var(--accent);
  padding-left: 0.9rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.demo-workspace {
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
  padding: clamp(3.6rem, 8vw, 6rem) 0;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(290px, 0.72fr);
  gap: 1rem;
  align-items: stretch;
}

.video-card,
.control-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.video-card {
  overflow: hidden;
}

.video-toolbar,
.video-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.video-toolbar {
  border-bottom: 1px solid var(--line);
}

.video-footer {
  border-top: 1px solid var(--line);
  letter-spacing: 0;
  text-transform: none;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--accent-ink);
  font-weight: 750;
}

.live-pill span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: #e85d75;
  box-shadow: 0 0 0 4px color-mix(in srgb, #e85d75 16%, transparent);
}

.video-stage {
  position: relative;
  min-height: min(52vw, 440px);
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, #b7d3e6 0%, #dce6e5 56%, #b4c5ac 56%, #8ea18e 100%);
}

[data-theme="dark"] .video-stage {
  background: linear-gradient(180deg, #314158 0%, #384958 56%, #263c36 56%, #1e302a 100%);
}

.stage-grid {
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image: linear-gradient(rgba(255, 255, 255, 0.42) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.42) 1px, transparent 1px);
  background-size: 12.5% 20%;
}

.stage-sun {
  position: absolute;
  top: 12%;
  right: 13%;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: #fff3bd;
  box-shadow: 0 0 3rem rgba(255, 242, 180, 0.65);
}

.stage-hill {
  position: absolute;
  right: -10%;
  bottom: 38%;
  width: 75%;
  height: 30%;
  border-radius: 50% 50% 0 0;
  background: #93acaa;
  transform: rotate(-5deg);
}

.stage-hill-back {
  left: -22%;
  right: auto;
  bottom: 35%;
  width: 72%;
  height: 27%;
  background: #a5beb9;
  transform: rotate(8deg);
}

.stage-hill-front {
  bottom: 27%;
  height: 22%;
  background: #829b8b;
}

.stage-person,
.stage-bicycle {
  position: absolute;
  z-index: 3;
  border: 2px solid #fff;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  transition: transform 120ms linear, opacity 180ms ease;
}

.stage-person {
  left: 31%;
  bottom: 19%;
  width: 11%;
  height: 34%;
  border-radius: 46% 46% 24% 24%;
  background: linear-gradient(180deg, #5664bc 0 29%, #303a61 29% 100%);
  box-shadow: 0 0 0 1px rgba(16, 27, 56, 0.22);
}

.stage-person span,
.stage-bicycle span {
  position: absolute;
  top: -1.3rem;
  left: -2px;
  padding: 0.18rem 0.3rem;
  background: rgba(20, 29, 57, 0.8);
  white-space: nowrap;
}

.stage-bicycle {
  left: 55%;
  bottom: 20%;
  width: 15%;
  height: 14%;
  border-color: #f8cc68;
  border-width: 0 0 2px 0;
  border-radius: 0;
  opacity: 0;
}

.stage-bicycle::before,
.stage-bicycle::after {
  content: "";
  position: absolute;
  bottom: -0.65rem;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid #f8cc68;
  border-radius: 50%;
}

.stage-bicycle::before { left: 0; }
.stage-bicycle::after { right: 0; }

.stage-caption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0.6rem;
  padding: 0.7rem 0.8rem;
  background: rgba(17, 25, 47, 0.72);
  color: #fff;
  font-size: 0.8rem;
  backdrop-filter: blur(10px);
}

.stage-scanline {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 4;
  width: 2px;
  background: var(--accent-strong);
  box-shadow: 0 0 1.1rem var(--accent);
  opacity: 0.55;
  animation: scan 4.5s linear infinite;
}

@keyframes scan {
  from { transform: translateX(0); }
  to { transform: translateX(50vw); }
}

.signal-dot {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: #3db27a;
}

.control-card {
  padding: 1.2rem;
}

.control-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.control-heading h2 {
  margin: 0.35rem 0 0;
  font-size: 1.5rem;
  letter-spacing: -0.05em;
}

.state-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 750;
}

.state-chip.is-live {
  border-color: #3db27a;
  color: #278557;
}

.control-buttons {
  display: flex;
  gap: 0.55rem;
  margin: 1.25rem 0 1.5rem;
}

.control-buttons .button {
  flex: 1;
  min-height: 2.5rem;
  padding-inline: 0.6rem;
  font-size: 0.75rem;
}

.scrubber-label {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.scrubber {
  display: block;
  width: 100%;
  margin: 0.7rem 0 0.35rem;
  accent-color: var(--accent);
}

.scrubber-ticks {
  display: flex;
  justify-content: space-between;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.metric-grid div {
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.65rem 0.55rem;
}

.metric-grid span,
.metric-grid strong {
  display: block;
}

.metric-grid span {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.58rem;
  text-transform: uppercase;
}

.metric-grid strong {
  margin-top: 0.25rem;
  color: var(--accent-ink);
  font-size: 0.78rem;
}

.event-log {
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.event-log-heading {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.event-log ol {
  display: grid;
  gap: 0.3rem;
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
}

.event-log li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 0.5rem;
  border-radius: 0.4rem;
  padding: 0.38rem 0.4rem;
  color: var(--faint);
  font-size: 0.7rem;
  transition: background 150ms ease, color 150ms ease;
}

.event-log li.is-active {
  background: var(--surface-accent);
  color: var(--text);
}

.event-time {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.demo-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.demo-notes p {
  margin: 0;
  border-top: 1px solid var(--line-strong);
  padding-top: 0.85rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.demo-notes strong {
  color: var(--text);
}

.note-number {
  display: inline-block;
  margin-right: 0.55rem;
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 750;
}

@media (max-width: 760px) {
  .demo-grid,
  .demo-notes {
    grid-template-columns: 1fr;
  }

  .video-stage {
    min-height: 64vw;
  }

  .demo-intro h1 {
    max-width: 10ch;
  }
}

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

.coming-soon {
  position: relative;
  display: inline-block;
  margin-top: 1.1rem;
  cursor: not-allowed;
  user-select: none;
}

.coming-soon::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.65rem);
  z-index: 30;
  width: max-content;
  max-width: 12rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.45rem;
  padding: 0.38rem 0.55rem;
  background: var(--text);
  color: var(--bg);
  box-shadow: var(--shadow);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.3;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 0.3rem);
  transition: opacity 140ms ease, transform 140ms ease;
}

.coming-soon:hover::after,
.coming-soon:focus::after,
.coming-soon:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}