@import url("https://fonts.googleapis.com/css2?family=Oxanium:wght@400;500;600;700&family=Familjen+Grotesk:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap");

:root {
  color-scheme: dark;
  --bg: #020915;
  --panel: rgba(7, 24, 47, 0.82);
  --panel-strong: rgba(8, 29, 58, 0.94);
  --line: rgba(39, 134, 214, 0.35);
  --glow: #19d7ff;
  --mint: #52ffcd;
  --orange: #ff9f45;
  --text: #e8f4ff;
  --muted: rgba(219, 234, 255, 0.72);
  --mono: "IBM Plex Mono", monospace;
  --display: "Oxanium", sans-serif;
  --body: "Familjen Grotesk", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 18%, rgba(21, 123, 255, 0.2), transparent 26%),
    radial-gradient(circle at 82% 28%, rgba(47, 255, 207, 0.12), transparent 28%),
    radial-gradient(circle at 70% 78%, rgba(255, 154, 63, 0.12), transparent 22%),
    linear-gradient(180deg, #03101f 0%, #020915 55%, #041327 100%);
  color: var(--text);
  font-family: var(--body);
  overflow-x: clip;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.app-shell {
  position: relative;
  min-height: 100vh;
}

.app-main {
  position: relative;
  z-index: 2;
  width: min(1320px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 136px 0 140px;
}

.background-grid {
  position: fixed;
  inset: 0;
  overflow: clip;
  pointer-events: none;
}

.background-grid__mesh,
.background-grid__pulse {
  position: absolute;
  inset: 0;
}

.background-grid__mesh {
  background-image:
    linear-gradient(rgba(19, 108, 183, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 108, 183, 0.09) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(circle at center, black 44%, transparent 100%);
}

.background-grid__pulse {
  background:
    radial-gradient(circle at center, rgba(35, 224, 255, 0.12), transparent 52%),
    radial-gradient(circle at center, rgba(255, 158, 71, 0.08), transparent 70%);
  animation: drift 16s linear infinite;
}

.background-grid__pulse--alt {
  animation-duration: 24s;
  animation-direction: reverse;
}

.stack-header {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  width: min(1200px, calc(100vw - 28px));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border: 1px solid rgba(44, 148, 255, 0.22);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(2, 14, 31, 0.85), rgba(4, 18, 39, 0.76));
  backdrop-filter: blur(20px) saturate(145%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.38), inset 0 0 0 1px rgba(82, 255, 205, 0.05);
  transition: padding 180ms ease, width 180ms ease, transform 180ms ease;
}

.stack-header.is-compact {
  padding: 10px 18px;
  width: min(1140px, calc(100vw - 20px));
}

.stack-header__center {
  justify-self: center;
}

.stack-header__status {
  justify-self: end;
}

.stack-logo {
  width: 158px;
  display: block;
  filter: drop-shadow(0 0 20px rgba(23, 212, 255, 0.22));
}

.status-pill,
.menu-trigger,
.research-chip,
.research-index-card__tags span,
.tag-row span {
  border: 1px solid rgba(38, 142, 231, 0.34);
  background: linear-gradient(180deg, rgba(7, 26, 52, 0.78), rgba(3, 17, 37, 0.78));
  box-shadow: inset 0 0 0 1px rgba(82, 255, 205, 0.04);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 14px currentColor;
}

.status-pill--degraded {
  color: var(--orange);
}

.menu-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 174px;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.menu-trigger:hover,
.menu-trigger.is-open {
  transform: translateY(-1px);
  border-color: rgba(82, 255, 205, 0.38);
  box-shadow: 0 0 24px rgba(15, 220, 255, 0.18);
}

.menu-trigger__bars {
  display: grid;
  gap: 4px;
}

.menu-trigger__bars span {
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--text), var(--glow));
}

.menu-trigger__label {
  font-family: var(--display);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.menu-trigger__arrow {
  font-family: var(--mono);
  color: var(--mint);
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 45;
  pointer-events: none;
  opacity: 0;
  transition: opacity 180ms ease;
}

.menu-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.menu-overlay__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(1, 8, 18, 0.76);
  backdrop-filter: blur(18px);
}

.menu-overlay__panel {
  position: relative;
  width: min(1180px, calc(100vw - 24px));
  height: min(860px, calc(100vh - 28px));
  margin: 14px auto;
  padding: 26px;
  border-radius: 34px;
  border: 1px solid rgba(39, 137, 219, 0.28);
  background:
    linear-gradient(180deg, rgba(3, 15, 34, 0.95), rgba(4, 17, 38, 0.9)),
    radial-gradient(circle at top left, rgba(25, 215, 255, 0.12), transparent 26%);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(82, 255, 205, 0.05);
  overflow: hidden;
}

.menu-overlay__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(20, 200, 255, 0.18) 1px, transparent 1.4px),
    linear-gradient(90deg, rgba(17, 82, 134, 0.08) 1px, transparent 1px);
  background-size: 26px 26px, 74px 74px;
  opacity: 0.2;
  pointer-events: none;
}

.menu-overlay__topline,
.menu-overlay__search,
.menu-overlay__grid {
  position: relative;
  z-index: 1;
}

.menu-overlay__topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.menu-overlay__eyebrow,
.overview-board__eyebrow,
.section-heading span,
.research-hero__eyebrow,
.formula-card__eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--glow);
}

.menu-overlay__close,
.primary-link,
.ghost-link {
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid rgba(39, 137, 219, 0.32);
  background: rgba(5, 21, 46, 0.8);
  color: var(--text);
  cursor: pointer;
}

.menu-overlay__search {
  margin-top: 22px;
}

.menu-overlay__search input {
  width: 100%;
  border: 1px solid rgba(40, 144, 233, 0.3);
  border-radius: 18px;
  background: rgba(4, 17, 34, 0.84);
  color: var(--text);
  padding: 16px 18px;
  outline: none;
}

.menu-overlay__grid {
  margin-top: 24px;
  height: calc(100% - 118px);
  overflow: auto;
  padding-right: 8px;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.menu-overlay__grid::-webkit-scrollbar {
  width: 14px;
}

.menu-overlay__grid::-webkit-scrollbar-track {
  background:
    radial-gradient(circle, rgba(25, 215, 255, 0.28) 1.2px, transparent 1.2px) center/8px 18px,
    rgba(3, 17, 35, 0.65);
  border-radius: 999px;
}

.menu-overlay__grid::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(25, 215, 255, 0.9), rgba(82, 255, 205, 0.55), rgba(255, 159, 69, 0.72));
  box-shadow: 0 0 24px rgba(25, 215, 255, 0.36);
}

.menu-cluster {
  padding: 20px;
  border-radius: 24px;
  border: 1px solid rgba(38, 136, 217, 0.24);
  background: linear-gradient(180deg, rgba(6, 24, 48, 0.88), rgba(3, 16, 34, 0.88));
}

.menu-cluster__label {
  margin-bottom: 14px;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.menu-cluster__items {
  display: grid;
  gap: 12px;
}

.menu-cluster__link {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(8, 27, 54, 0.78);
  border: 1px solid rgba(34, 126, 204, 0.26);
  transition: transform 180ms ease, border-color 180ms ease;
}

.menu-cluster__link:hover {
  transform: translateY(-2px);
  border-color: rgba(82, 255, 205, 0.36);
}

.menu-cluster__link-title {
  display: block;
  font-family: var(--display);
  font-size: 1rem;
}

.menu-cluster__link-copy {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.55;
}

.hero-panel,
.research-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  gap: 30px;
  align-items: stretch;
}

.hero-panel__copy,
.hero-panel__visual,
.research-hero__copy,
.research-hero__visual,
.overview-board,
.research-section,
.formula-card,
.code-card,
.benchmark-row,
.paper-note,
.atlas-shell,
.research-index-card,
.metric-board__item,
.inline-visual-stack,
.stack-footer {
  position: relative;
  border-radius: 34px;
  border: 1px solid rgba(37, 137, 220, 0.22);
  background: linear-gradient(180deg, rgba(7, 23, 47, 0.86), rgba(4, 18, 38, 0.9));
  box-shadow: inset 0 0 0 1px rgba(82, 255, 205, 0.04);
}

.hero-panel__copy,
.research-hero__copy {
  padding: 34px;
}

.hero-panel__title,
.research-hero h1,
.section-heading h1,
.section-heading h2,
.overview-board h2,
.research-section h2 {
  margin: 16px 0 0;
  font-family: var(--display);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.hero-panel__title {
  font-size: clamp(3.8rem, 7vw, 7.6rem);
  max-width: 11ch;
}

.hero-panel__summary,
.research-hero__summary,
.overview-board p,
.research-section p,
.section-heading p,
.metric-board__item p,
.paper-note p,
.atlas-links__item span,
.research-chip span,
.research-index-card p {
  color: var(--muted);
  line-height: 1.72;
  max-width: 66ch;
}

.hero-panel__actions {
  display: flex;
  gap: 12px;
  margin-top: 26px;
}

.primary-link {
  background: linear-gradient(90deg, rgba(18, 187, 255, 0.28), rgba(82, 255, 205, 0.2));
}

.ghost-link {
  background: rgba(4, 18, 38, 0.88);
}

.hero-metrics,
.metric-board {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
}

.hero-metric,
.metric-board__item {
  padding: 18px;
}

.hero-metric__value,
.metric-board__item span {
  display: block;
  font-family: var(--display);
  font-size: 2rem;
  color: var(--mint);
}

.hero-metric__label,
.metric-board__item strong {
  display: block;
  margin-top: 8px;
  font-size: 0.95rem;
}

.hero-panel__visual,
.research-hero__visual {
  display: grid;
  place-items: center;
  padding: 20px;
  min-height: 560px;
  overflow: hidden;
}

.hero-svg,
.detail-svg {
  width: 100%;
  max-width: 620px;
  overflow: visible;
}

.hero-svg__halo,
.detail-svg__core {
  fill: rgba(24, 210, 255, 0.18);
}

.hero-svg__ring,
.detail-svg__ring,
.detail-svg__frame,
.detail-svg__bar,
.detail-svg__lane,
.detail-svg__wire,
.detail-svg__node,
.hero-svg__cube line,
.hero-svg__cube polygon {
  fill: none;
  stroke: rgba(25, 215, 255, 0.82);
  stroke-width: 3;
}

.hero-svg__cube polygon,
.detail-svg__bar,
.detail-svg__lane,
.detail-svg__frame {
  fill: rgba(6, 27, 52, 0.42);
}

.hero-svg__core,
.detail-svg__core,
.detail-svg__node {
  filter: drop-shadow(0 0 18px rgba(25, 215, 255, 0.54));
}

.detail-svg__bar--mid,
.detail-svg__lane--alt,
.detail-svg__wire--alt,
.hero-svg__label--orange,
.detail-svg__text--orange {
  stroke: rgba(255, 159, 69, 0.76);
}

.hero-svg__label,
.detail-svg__text,
.atlas-shell__label {
  fill: var(--glow);
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-svg__text--orange {
  fill: var(--orange);
}

.atlas-shell__center {
  fill: var(--text);
  font-family: var(--display);
  font-size: 36px;
  letter-spacing: 0.08em;
}

.hero-svg__ring--slow,
.detail-svg__ring--slow,
.atlas-shell__ring--slow {
  animation: orbit 16s linear infinite;
  transform-origin: center;
}

.hero-svg__ring--fast,
.detail-svg__ring--fast,
.atlas-shell__ring--fast {
  animation: orbit 10s linear infinite reverse;
  transform-origin: center;
}

.overview-grid,
.formula-layout,
.research-body,
.paper-board__grid,
.atlas-links,
.research-index-grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.overview-grid,
.formula-layout,
.research-body,
.atlas-links {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.overview-board,
.research-section,
.paper-note,
.research-index-card,
.atlas-links__item {
  padding: 26px;
}

.overview-board ul,
.research-section ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.72;
}

.research-strip,
.index-page,
.atlas-page,
.benchmark-board,
.paper-board {
  margin-top: 48px;
}

.research-strip__list {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.research-chip {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  width: min(320px, 100%);
  border-radius: 22px;
  transition: transform 180ms ease, border-color 180ms ease;
}

.research-chip:hover,
.research-index-card:hover,
.atlas-links__item:hover {
  transform: translateY(-3px);
  border-color: rgba(82, 255, 205, 0.34);
}

.research-index-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.research-index-card {
  display: grid;
  gap: 10px;
}

.research-index-card__count {
  font-family: var(--mono);
  color: var(--orange);
  letter-spacing: 0.16em;
}

.research-index-card__tags,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.research-index-card__tags span,
.tag-row span {
  padding: 8px 12px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.research-hero__copy h1 {
  font-size: clamp(3rem, 6vw, 5.6rem);
  overflow-wrap: anywhere;
}

.research-hero__strap {
  margin-top: 18px;
  font-family: var(--display);
  font-size: clamp(1.18rem, 2vw, 1.62rem);
  color: #c5efff;
  line-height: 1.3;
}

.formula-card,
.code-card {
  padding: 26px;
}

.formula-card code,
.code-card pre {
  margin-top: 18px;
  display: block;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.96rem;
  line-height: 1.7;
  color: #d7f7ff;
}

.research-body__visuals {
  display: grid;
  align-content: start;
}

.inline-visual-stack {
  padding: 22px;
}

.inline-visual-stack__labels {
  margin-top: 16px;
}

.inline-visual-stack__labels span {
  font-family: var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--glow);
  font-size: 0.7rem;
}

.inline-visual-stack__labels strong {
  display: block;
  margin-top: 10px;
  font-family: var(--display);
  font-size: 1.2rem;
}

.inline-visual-stack__labels p {
  color: var(--muted);
  line-height: 1.7;
}

.benchmark-board__rows {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.benchmark-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
}

.benchmark-row span {
  display: block;
  color: var(--muted);
  margin-top: 6px;
}

.benchmark-row b {
  font-family: var(--display);
  font-size: 1.56rem;
  color: var(--mint);
}

.benchmark-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.paper-board__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.atlas-shell {
  padding: 24px;
  margin-top: 22px;
}

.atlas-shell svg {
  width: 100%;
  height: auto;
}

.atlas-shell__frame {
  fill: rgba(5, 20, 40, 0.82);
  stroke: rgba(43, 144, 225, 0.26);
  stroke-width: 2;
}

.atlas-shell__core {
  fill: rgba(12, 42, 78, 0.8);
}

.atlas-shell__ring,
.atlas-shell__wire {
  fill: none;
  stroke: url(#atlas-gradient);
  stroke-width: 2;
  opacity: 0.7;
}

.atlas-shell__node {
  fill: rgba(82, 255, 205, 0.9);
  filter: drop-shadow(0 0 12px rgba(82, 255, 205, 0.44));
}

.atlas-links__item {
  display: grid;
  gap: 10px;
}

.stack-footer {
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  width: min(1320px, calc(100vw - 40px));
  margin: 0 auto 30px;
  padding: 22px 26px;
}

.stack-footer__content {
  display: flex;
  align-items: center;
  gap: 18px;
}

.stack-footer__logo {
  width: 146px;
}

.stack-footer__content p {
  margin: 0;
  color: var(--muted);
  max-width: 58ch;
  line-height: 1.7;
}

.stack-footer__shield {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 20px;
  border: 1px solid rgba(39, 137, 219, 0.26);
  background: rgba(5, 18, 35, 0.72);
  opacity: 0.28;
  transition: opacity 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.stack-footer__shield:hover,
.stack-footer__shield:focus-visible {
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(25, 215, 255, 0.24);
}

.stack-footer__shield svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--glow);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-loading,
.app-error {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100vw - 32px));
  margin: 120px auto 0;
  padding: 24px 26px;
  border-radius: 24px;
  background: rgba(8, 27, 52, 0.88);
  border: 1px solid rgba(39, 137, 219, 0.26);
}

@keyframes orbit {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(1.5%, -2%, 0) scale(1.04);
  }
}

@media (max-width: 1080px) {
  .hero-panel,
  .research-hero,
  .overview-grid,
  .formula-layout,
  .research-body,
  .paper-board__grid,
  .atlas-links,
  .research-index-grid,
  .menu-overlay__grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics,
  .metric-board {
    grid-template-columns: 1fr;
  }

  .hero-panel__visual,
  .research-hero__visual {
    min-height: 420px;
  }

  .benchmark-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-main {
    width: min(100vw - 18px, 100%);
    padding-top: 112px;
  }

  .stack-header {
    width: calc(100vw - 16px);
    grid-template-columns: auto 1fr;
    padding: 10px 14px;
  }

  .stack-header__brand {
    order: 1;
  }

  .stack-header__center {
    order: 3;
    grid-column: 1 / -1;
  }

  .stack-header__status {
    order: 2;
  }

  .stack-logo {
    width: 120px;
  }

  .menu-trigger {
    width: 100%;
    margin-top: 6px;
  }

  .menu-overlay__panel {
    width: calc(100vw - 12px);
    height: calc(100vh - 12px);
    margin: 6px auto;
    padding: 20px;
    border-radius: 28px;
  }

  .stack-footer {
    width: calc(100vw - 18px);
    flex-direction: column;
    align-items: flex-start;
  }

  .stack-footer__content {
    flex-direction: column;
    align-items: flex-start;
  }
}