:root {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-2: #111827;
  --panel: rgba(18, 26, 44, 0.82);
  --panel-2: rgba(24, 35, 58, 0.92);
  --text: #f6f8fb;
  --muted: #aeb9cc;
  --line: rgba(191, 208, 232, 0.17);
  --cyan: #5edbf0;
  --blue: #7aa7ff;
  --pink: #ff7ab8;
  --gold: #ffd166;
  --green: #7ee3a1;
  --link: #5edbf0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius: 8px;
  --max: 1180px;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f8fb;
  --bg-2: #edf1f7;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-2: #ffffff;
  --text: #141927;
  --muted: #526174;
  --line: rgba(31, 43, 64, 0.14);
  --link: #087b95;
  --shadow: 0 24px 70px rgba(27, 39, 61, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 0%, rgba(94, 219, 240, 0.18), transparent 25rem),
    radial-gradient(circle at 92% 8%, rgba(255, 122, 184, 0.16), transparent 23rem),
    radial-gradient(circle at 52% 52%, rgba(255, 209, 102, 0.08), transparent 32rem),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.23;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 30;
  transform: translateY(-150%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  padding: 0.7rem 1rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell,
main,
.site-footer {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand,
.nav-links,
.button-row,
.card-actions,
.site-footer nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.75rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-logo {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: linear-gradient(135deg, #eef8ff, #ffffff 52%, #d9fff2);
  box-shadow: 0 14px 34px rgba(94, 219, 240, 0.18);
}

.brand-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-links {
  gap: 0.2rem;
}

.nav-links a,
.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a {
  border-radius: var(--radius);
  padding: 0.56rem 0.72rem;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.site-footer a:hover {
  color: var(--text);
}

.theme-toggle,
.button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--panel);
  color: var(--text);
  padding: 0.55rem 0.72rem;
  cursor: pointer;
}

.theme-toggle span:first-child {
  width: 18px;
  height: 18px;
  border: 1px solid var(--text);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold) 50%, transparent 50%);
}

.hero {
  min-height: min(720px, calc(100vh - 76px));
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 1.06fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  padding: 3.4rem 0 2.5rem;
}

.hero-copy {
  max-width: 760px;
}

.page-hero {
  padding: 4.25rem 0 1.4rem;
}

.project-hero {
  position: relative;
}

.project-hero h1,
.project-hero p,
.project-hero .eyebrow {
  position: relative;
  z-index: 1;
}

.project-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 4.5rem;
  width: min(34vw, 360px);
  aspect-ratio: 1.6;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  opacity: 0.9;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 94%, rgba(94, 219, 240, 0.22) 94%),
    linear-gradient(transparent 94%, rgba(255, 209, 102, 0.18) 94%),
    linear-gradient(135deg, rgba(94, 219, 240, 0.12), rgba(255, 122, 184, 0.08));
  background-size: 24px 24px, 24px 24px, auto;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  font-size: clamp(3.15rem, 7vw, 6.25rem);
  line-height: 0.98;
  text-wrap: balance;
}

.page-hero h1 {
  max-width: 900px;
  font-size: clamp(2.45rem, 6vw, 5rem);
  line-height: 1;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
}

h3 {
  font-size: 1.25rem;
}

.hero-subtitle,
.page-hero p,
.section-heading p,
.project-card p,
.content-column p,
.contact-card p,
.support-panel p,
.trust-band p,
.metric span {
  color: var(--muted);
}

.hero-subtitle,
.page-hero p {
  max-width: 620px;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.button-row {
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1rem;
  font-weight: 800;
  text-decoration: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #071018;
}

.button-secondary {
  background: var(--panel);
  color: var(--text);
}

.lab-graphic,
.project-card,
.contact-card,
.signal-list,
.trust-band,
.support-panel,
.metric {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.lab-graphic {
  position: relative;
  min-height: 460px;
  overflow: hidden;
}

.lab-graphic::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 95%, rgba(94, 219, 240, 0.3) 95%),
    linear-gradient(transparent 95%, rgba(255, 209, 102, 0.22) 95%);
  background-size: 28px 28px;
}

.orbit {
  position: absolute;
  width: 250px;
  aspect-ratio: 1;
  left: 50%;
  top: 32%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(94, 219, 240, 0.48);
  border-radius: 50%;
}

.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  width: 22px;
  aspect-ratio: 1;
  border-radius: 50%;
}

.orbit::before {
  left: 18px;
  top: 38px;
  background: var(--pink);
}

.orbit::after {
  right: 32px;
  bottom: 20px;
  background: var(--gold);
}

.pixel-stack {
  position: absolute;
  right: 2rem;
  top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, 24px);
  gap: 8px;
}

.pixel-stack span {
  aspect-ratio: 1;
  border-radius: 4px;
  background: var(--cyan);
}

.pixel-stack span:nth-child(2) {
  background: var(--pink);
}

.pixel-stack span:nth-child(3) {
  background: var(--gold);
}

.pixel-stack span:nth-child(4) {
  background: var(--green);
}

.console-lines {
  position: absolute;
  left: 1.4rem;
  right: 1.4rem;
  bottom: 1.4rem;
  display: grid;
  gap: 0.6rem;
}

.console-lines span {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: color-mix(in srgb, var(--panel-2) 78%, transparent);
  color: var(--muted);
  padding: 0.72rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.section {
  padding: 2.2rem 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 1.5rem;
}

.project-grid,
.contact-grid,
.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.privacy-strip,
.project-showcase {
  display: grid;
  gap: 1rem;
}

.privacy-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1.4rem 0 0.6rem;
}

.privacy-strip div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 84%, transparent);
  padding: 1rem;
}

.privacy-strip strong,
.privacy-strip span {
  display: block;
}

.privacy-strip span {
  color: var(--muted);
  margin-top: 0.2rem;
}

.project-showcase {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-grid-wide {
  grid-template-columns: 1fr;
}

.project-card,
.contact-card,
.support-panel {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.25rem;
}

.project-card-feature {
  position: relative;
  overflow: hidden;
  min-height: 360px;
}

.project-card-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.22;
  background: radial-gradient(circle at top right, var(--cyan), transparent 42%);
}

.project-card-feature.random::before {
  background: radial-gradient(circle at top right, var(--pink), transparent 42%);
}

.project-card-feature.pixel::before {
  background: radial-gradient(circle at top right, var(--green), transparent 42%);
}

.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel-2) 78%, transparent);
  padding: 0.28rem 0.62rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

.project-points {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.project-symbol {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel-2) 82%, transparent);
}

.project-symbol img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  object-fit: contain;
}

.project-symbol-link {
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.project-symbol-link:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--link) 62%, var(--line));
  background: color-mix(in srgb, var(--panel-2) 92%, var(--link));
}

.card-actions {
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
}

.text-link {
  color: var(--link);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}

.muted-link {
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: stretch;
}

.contact-card {
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  background: radial-gradient(circle at top right, var(--cyan), transparent 48%);
}

.contact-projects .contact-card:nth-child(2)::before {
  background: radial-gradient(circle at top right, var(--pink), transparent 48%);
}

.contact-projects .contact-card:nth-child(3)::before {
  background: radial-gradient(circle at top right, var(--green), transparent 48%);
}

.contact-card-main {
  min-height: 0;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--panel) 88%, var(--cyan)), var(--panel)),
    var(--panel);
}

.contact-projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.contact-card h2 {
  font-size: clamp(1.45rem, 3vw, 2.4rem);
}

.contact-projects .contact-card h2 {
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.12;
}

.contact-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.contact-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #eef8ff, #ffffff 52%, #d9fff2);
}

.contact-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.contact-email {
  display: inline-block;
  overflow-wrap: anywhere;
}

.support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.38fr);
  gap: 1rem;
  align-items: stretch;
}

.bmc-button {
  gap: 0.45rem;
  background: #ffdd00;
  color: #121212;
}

.qr-panel {
  align-items: center;
  text-align: center;
}

.qr-panel h2 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.qr-panel img {
  width: min(180px, 100%);
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 0.65rem;
}

.content-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 2rem;
}

.signal-list {
  padding: 1rem;
}

.signal-list div {
  display: grid;
  gap: 0.2rem;
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.signal-list div:last-child {
  border-bottom: 0;
}

.signal-list span,
.fine-print {
  color: var(--muted);
}

.metric {
  padding: 1rem;
}

.metric strong {
  display: block;
  font-size: 1.6rem;
}

.trust-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 2rem 0 4rem;
  padding: 1.4rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
}

.site-footer p {
  margin: 0 0 0.25rem;
}

.site-footer nav {
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.8rem;
}

@media (max-width: 860px) {
  .nav-shell,
  .site-footer,
  .trust-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  .hero,
  .project-grid,
  .project-showcase,
  .privacy-strip,
  .contact-grid,
  .contact-layout,
  .contact-projects,
  .support-grid,
  .content-band,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding: 3rem 0;
  }

  .lab-graphic {
    min-height: 320px;
  }
}

@media (max-width: 560px) {
  .nav-shell,
  main,
  .site-footer {
    width: min(100% - 1.25rem, var(--max));
  }

  .brand span {
    max-width: 15ch;
    line-height: 1.15;
  }

  .theme-toggle-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .page-hero {
    padding-top: 3rem;
  }

  .project-hero::after {
    display: none;
  }
}