:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --ink: #121417;
  --muted: #555d6b;
  --line: rgba(18, 20, 23, 0.12);
  --card: rgba(255, 255, 255, 0.82);
  --blue: #24639d;
  --blue-dark: #153d67;
  --orange: #e27b4f;
  --green: #67b79c;
  --red: #c44f5d;
  --shadow: 0 24px 70px rgba(18, 20, 23, 0.11);
  --soft-shadow: 0 18px 48px rgba(18, 20, 23, 0.075);
  --surface: rgba(255, 255, 255, 0.9);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 243, 227, 0.86), transparent 40rem),
    radial-gradient(circle at 12% 68%, rgba(103, 183, 156, 0.11), transparent 38rem),
    radial-gradient(circle at 86% 18%, rgba(36, 99, 157, 0.08), transparent 34rem),
    linear-gradient(180deg, #fcfcfd 0%, var(--bg) 52%, #f0f4f6 100%);
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  background: rgba(252, 252, 253, 0.84);
  border-bottom: 1px solid rgba(18, 20, 23, 0.06);
  backdrop-filter: blur(20px) saturate(130%);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 14px 28px rgba(18, 20, 23, 0.08);
}

.brand-mark img {
  width: 26px;
  height: 26px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav a {
  position: relative;
  padding: 8px 10px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 3px;
  height: 2px;
  border-radius: 999px;
  background: var(--orange);
  opacity: 0;
  transform: scaleX(0.45);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav a:hover {
  color: var(--ink);
}

.nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

main {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  overflow: hidden;
}

.development-alert {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 18px 0 0;
  padding: 12px 16px;
  border: 1px solid rgba(183, 132, 39, 0.2);
  border-radius: 14px;
  color: #7a4b10;
  background: #fff6d7;
  font-weight: 800;
}

.development-alert i {
  color: #c9821d;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
  min-height: min(780px, calc(100svh - 72px));
  padding: 44px 0 34px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font: 700 0.78rem/1.2 "IBM Plex Mono", monospace;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 100%;
  margin-bottom: 20px;
  font-size: clamp(3.2rem, 6.5vw, 5.75rem);
  line-height: 0.96;
  letter-spacing: 0;
  overflow-wrap: normal;
}

.hero-copy {
  min-width: 0;
}

.lead {
  max-width: 640px;
  color: #343b47;
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.hero-metrics span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid rgba(18, 20, 23, 0.08);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
}

.hero-metrics strong {
  color: var(--blue);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 0;
  border-radius: 0;
  font-weight: 800;
  transition: color 0.18s ease, transform 0.18s ease;
}

.button i,
.text-link i,
.paper-button i {
  font-size: 0.92em;
}

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

.primary {
  color: var(--blue);
  background: transparent;
  box-shadow: none;
}

.primary:hover {
  color: var(--blue-dark);
  background: transparent;
}

.secondary {
  color: var(--muted);
  border: 0;
  background: transparent;
}

.secondary:hover {
  color: var(--blue-dark);
  background: transparent;
  border-color: transparent;
}

.product-slideshow {
  position: relative;
  min-height: 620px;
  border: 0;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 30px 90px rgba(18, 20, 23, 0.13);
  overflow: hidden;
}

.slides {
  position: relative;
  min-height: 620px;
}

.product-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: max-content minmax(0, 1fr);
  gap: 18px;
  padding: 32px 78px 76px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateX(18px);
  transition: opacity 0.45s ease, transform 0.45s ease;
  background: #fff;
}

.product-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.slide-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  max-width: 420px;
}

.slide-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--orange);
  font: 700 0.76rem/1.2 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.slide-copy h2 {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(1.85rem, 3.3vw, 2.55rem);
  line-height: 1;
}

.slide-copy p {
  margin: 0;
  max-width: 390px;
  color: #343b47;
  font-size: 0.96rem;
  line-height: 1.45;
}

.slide-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 2px;
}

.slide-chips span {
  padding: 7px 9px;
  border: 1px solid rgba(36, 99, 157, 0.12);
  border-radius: 999px;
  color: var(--blue-dark);
  background: rgba(36, 99, 157, 0.07);
  font-size: 0.82rem;
  font-weight: 800;
}

.slide-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-top: 2px;
  padding: 8px 12px;
  border: 1px solid rgba(226, 123, 79, 0.22);
  border-radius: 999px;
  color: #a94f2c;
  background: rgba(226, 123, 79, 0.1);
  font-weight: 850;
  transition: color 0.18s ease, transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.slide-terminal {
  align-self: start;
  min-width: 0;
  max-height: 270px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: #111820;
  box-shadow: 0 22px 54px rgba(18, 20, 23, 0.18);
}

.terminal-bar {
  display: flex;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #151f2a;
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(18, 20, 23, 0.16);
}

.terminal-bar span:first-child {
  border-color: rgba(255, 95, 86, 0.72);
  background: #ff5f56;
}

.terminal-bar span:nth-child(2) {
  border-color: rgba(255, 189, 46, 0.72);
  background: #ffbd2e;
}

.terminal-bar span:nth-child(3) {
  border-color: rgba(39, 201, 63, 0.72);
  background: #27c93f;
}

.slide-terminal pre {
  margin: 0;
  max-height: 214px;
  padding: 13px 14px;
  overflow: auto;
  color: #dce9ee;
  background: #111820;
  font: 650 0.74rem/1.38 "IBM Plex Mono", monospace;
}

.data-terminal pre {
  max-height: 178px;
}

.slide-terminal code {
  white-space: pre;
}

.code-muted {
  color: #8fb2c1;
}

.code-keyword {
  color: #f0a477;
}

.code-string {
  color: #8bd0b8;
}

.code-number {
  color: #9cc7ff;
}

.code-function {
  color: #d7b7ff;
}

.terminal-domains {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 14px 14px;
  background: #111820;
}

.terminal-domains span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 7px;
  border: 1px solid rgba(139, 208, 184, 0.18);
  border-radius: 999px;
  color: #dce9ee;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.74rem;
  font-weight: 800;
}

.terminal-domains i {
  color: #f0a477;
}

.format-preview {
  align-self: end;
  display: grid;
  gap: 7px;
  padding: 22px;
  color: var(--blue-dark);
  font: 600 0.95rem/1.45 "IBM Plex Mono", monospace;
}

.related-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--soft-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.related-card > div:last-child {
  display: grid;
  gap: 10px;
}

.related-card span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font: 700 0.76rem/1.2 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.related-card h3 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.related-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.62;
}

.related-card .format-preview {
  color: var(--blue-dark);
  background: #fff;
}

.related-card .text-link {
  color: var(--blue);
}

.related-card .text-link:hover {
  color: var(--blue-dark);
}

.related-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.related-card .paper-button {
  color: var(--blue);
}

.related-card .paper-button:hover,
.related-card .paper-button.is-active {
  color: var(--orange);
}

.hif-panel {
  color: var(--blue-dark);
  background: #fff;
  border-color: rgba(18, 20, 23, 0.08);
}

.slide-progress {
  position: absolute;
  right: 72px;
  bottom: 18px;
  z-index: 2;
  display: flex;
  gap: 8px;
}

.slide-progress span {
  width: 34px;
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(18, 20, 23, 0.14);
}

.slide-progress span::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
}

.slide-progress span.is-active::before {
  animation: slide-progress 6.5s linear;
}

.slide-arrow {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 52px;
  height: 100%;
  border: 0;
  border-radius: 0;
  color: var(--blue-dark);
  background: transparent;
  box-shadow: none;
  cursor: pointer;
  opacity: 0.72;
  transform: none;
  transition: background 0.18s ease, color 0.18s ease, opacity 0.18s ease;
}

.slide-arrow:hover {
  color: var(--blue-dark);
  background: transparent;
  opacity: 1;
  transform: none;
}

.slide-arrow-prev {
  left: 0;
}

.slide-arrow-next {
  right: 0;
}

@keyframes slide-progress {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

.product-slide::before {
  content: none;
}

.product-slide.is-active .slide-terminal,
.product-slide.is-active .format-preview {
  animation: slide-rise 0.6s ease both;
}

@keyframes slide-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-link:hover {
  color: #803819;
  border-color: rgba(226, 123, 79, 0.34);
  background: rgba(226, 123, 79, 0.16);
  transform: translateX(2px);
}

.network-panel {
  position: relative;
  min-height: 540px;
  border: 1px solid rgba(18, 20, 23, 0.1);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.network-panel svg {
  width: 100%;
  height: 100%;
  min-height: 540px;
}

.hyperedges ellipse {
  fill: rgba(226, 123, 79, 0.1);
  stroke: rgba(226, 123, 79, 0.62);
  stroke-width: 3;
}

.hyperedges ellipse:nth-child(2) {
  fill: rgba(36, 99, 157, 0.1);
  stroke: rgba(36, 99, 157, 0.58);
}

.hyperedges ellipse:nth-child(3) {
  fill: rgba(90, 168, 134, 0.1);
  stroke: rgba(90, 168, 134, 0.6);
}

.hyperedges ellipse:nth-child(4) {
  fill: rgba(196, 79, 93, 0.08);
  stroke: rgba(196, 79, 93, 0.5);
}

.links path {
  fill: none;
  stroke: rgba(18, 20, 23, 0.26);
  stroke-width: 2;
}

.nodes circle {
  fill: #fff;
  stroke: var(--ink);
  stroke-width: 4;
}

.panel-stat {
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: grid;
  gap: 4px;
  width: min(260px, calc(100% - 44px));
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
}

.panel-stat span {
  color: var(--orange);
  font: 700 0.76rem/1.2 "IBM Plex Mono", monospace;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 0 58px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--line);
}

.summary-strip div {
  display: grid;
  gap: 6px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.74);
}

.summary-strip strong {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.summary-strip i {
  color: var(--orange);
}

.summary-strip span {
  color: var(--muted);
}

.section {
  padding: 64px 0;
}

.section.compact {
  padding-top: 36px;
}

.section-heading {
  display: grid;
  gap: 8px;
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  overflow-wrap: anywhere;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.product-card {
  display: grid;
  align-content: start;
  gap: 18px;
  min-width: 0;
  min-height: 390px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--soft-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card:hover,
.feature-grid div:hover,
.paper-card:hover,
.related-card:hover {
  transform: translateY(-3px);
  border-color: rgba(36, 99, 157, 0.24);
  box-shadow: 0 24px 62px rgba(18, 20, 23, 0.11);
}

.product-card.library {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.68)),
    linear-gradient(135deg, rgba(36, 99, 157, 0.16), transparent 64%);
}

.product-card.data {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.68)),
    linear-gradient(135deg, rgba(90, 168, 134, 0.18), transparent 64%);
}

.card-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font: 700 0.78rem/1.2 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.card-topline span,
.card-topline a,
.text-link,
.team-block-head span,
.paper-main span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.card-topline a,
.text-link,
.person a,
.paper-card:hover h3 {
  color: var(--blue);
}

.product-card h3 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  overflow-wrap: anywhere;
}

.product-card p,
.feature-grid p,
.cta p {
  color: var(--muted);
  line-height: 1.65;
}

.code-pill {
  width: fit-content;
  max-width: 100%;
  padding: 12px 14px;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  border: 1px solid rgba(18, 20, 23, 0.1);
  border-radius: 12px;
  color: var(--blue-dark);
  background: rgba(255, 255, 255, 0.72);
  font: 600 0.92rem/1.35 "IBM Plex Mono", monospace;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-tags span {
  padding: 7px 10px;
  border: 1px solid rgba(36, 99, 157, 0.13);
  border-radius: 999px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.58);
  font-size: 0.86rem;
  font-weight: 700;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: end;
  font-weight: 800;
  transition: color 0.18s ease, transform 0.18s ease;
}

.text-link:hover {
  color: var(--blue-dark);
  transform: translateX(2px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-grid div,
.team-block,
.paper-card,
.cta {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-grid div {
  min-width: 0;
  padding: 26px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border: 1px solid rgba(36, 99, 157, 0.16);
  border-radius: 14px;
  color: var(--blue);
  background: rgba(36, 99, 157, 0.08);
}

.feature-grid h3 {
  margin-bottom: 10px;
  color: var(--blue);
}

.team-block {
  min-width: 0;
  padding: clamp(18px, 3vw, 28px) 0 0;
  border: 0;
  border-top: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.team-block + .team-block {
  margin-top: 48px;
}

.team-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
  padding-bottom: 0;
  border-bottom: 0;
}

.team-block-head span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid rgba(226, 123, 79, 0.16);
  border-radius: 999px;
  color: var(--orange);
  background: rgba(255, 255, 255, 0.62);
  font: 700 0.76rem/1.2 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.team-block-head h3 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border-top: 0;
}

.person {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 15px;
  align-items: start;
  min-width: 0;
  min-height: 0;
  padding: 14px;
  border: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.42);
  box-shadow: none;
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.person > div {
  min-width: 0;
}

.person:hover {
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 12px 28px rgba(18, 20, 23, 0.055);
  transform: translateY(-1px);
}

.person.featured {
  grid-column: span 1;
  min-height: 0;
  background: transparent;
}

.person img,
.avatar-fallback {
  width: 58px;
  height: 58px;
  border: 1px solid rgba(18, 20, 23, 0.1);
  border-radius: 50%;
  background: #e8edf2;
}

.person img {
  object-fit: cover;
}

.avatar-fallback {
  display: grid;
  place-items: center;
  color: var(--blue);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(103, 183, 156, 0.14)),
    #e8edf2;
  font-weight: 800;
}

.person h3 {
  margin-bottom: 5px;
  font-size: 1rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.person p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.person a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 800;
  overflow-wrap: anywhere;
  transition: color 0.18s ease, transform 0.18s ease;
}

.person a i {
  font-size: 0.9em;
}

.person a:hover {
  color: var(--orange);
  transform: translateX(2px);
}

.role {
  display: inline-flex;
  margin-bottom: 7px;
  color: var(--orange);
  font: 700 0.72rem/1.2 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.paper-list {
  display: grid;
  gap: 14px;
}

.paper-card {
  display: grid;
  gap: 18px;
  min-width: 0;
  padding: clamp(22px, 3vw, 30px);
  box-shadow: 0 14px 42px rgba(18, 20, 23, 0.065);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.paper-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
}

.paper-main {
  display: grid;
  gap: 10px;
  max-width: 900px;
}

.paper-main span {
  color: var(--muted);
  font: 700 0.78rem/1.2 "IBM Plex Mono", monospace;
  text-transform: uppercase;
}

.paper-main h3 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.12;
}

.paper-main p,
.paper-panel {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.62;
}

.paper-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  align-items: start;
}

.paper-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 0;
  border: 0;
  border-radius: 0;
  color: var(--blue-dark);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
  font: inherit;
  font-size: 0.9rem;
  transition: color 0.18s ease, transform 0.18s ease;
}

.paper-button:hover,
.paper-button.is-active {
  border-color: transparent;
  color: var(--orange);
  background: transparent;
  transform: translateX(1px);
}

.paper-panels {
  display: grid;
  gap: 10px;
}

.paper-panel {
  padding: 16px;
  border: 1px solid rgba(18, 20, 23, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
}

pre.paper-panel {
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  color: var(--blue-dark);
  font: 600 0.82rem/1.45 "IBM Plex Mono", monospace;
}

pre.paper-panel code {
  white-space: pre;
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  margin: 48px 0 38px;
  padding: clamp(26px, 5vw, 48px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7)),
    linear-gradient(110deg, rgba(36, 99, 157, 0.16), rgba(226, 123, 79, 0.14));
}

.cta-dark {
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 0;
  padding: clamp(30px, 5vw, 54px);
  border-color: rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  color: #f7fafb;
  text-align: center;
  background:
    radial-gradient(circle at 14% 18%, rgba(226, 123, 79, 0.2), transparent 34%),
    radial-gradient(circle at 92% 72%, rgba(103, 183, 156, 0.18), transparent 38%),
    #121417;
  box-shadow: 0 24px 70px rgba(18, 20, 23, 0.18);
}

.cta-dark p {
  max-width: none;
  margin: 0 auto;
  color: rgba(247, 250, 251, 0.76);
  font-size: clamp(1rem, 1.55vw, 1.14rem);
  white-space: nowrap;
}

.cta-dark .cta-actions {
  justify-content: center;
  gap: clamp(22px, 5vw, 44px);
  width: 100%;
  margin-top: 2px;
}

.cta-dark .button {
  gap: 12px;
  min-height: 54px;
  padding: 6px 2px;
  color: #8bd0b8;
  font-size: clamp(1.08rem, 2vw, 1.24rem);
  letter-spacing: 0;
}

.cta-dark .button i {
  font-size: clamp(1.55rem, 3vw, 2rem);
}

.cta-dark .button:hover {
  color: #fff;
  transform: translateY(-2px);
}

.acknowledgments {
  padding-top: 34px;
  padding-bottom: 48px;
}

.acknowledgment-card {
  display: grid;
  gap: 12px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-left: 4px solid rgba(226, 123, 79, 0.72);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 14px 38px rgba(18, 20, 23, 0.055);
}

.acknowledgment-card p {
  max-width: 920px;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.footer {
  margin-top: 0;
  color: var(--muted);
  background: transparent;
  border-top: 1px solid rgba(27, 27, 26, 0.08);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 14px 0 18px;
  font-size: 0.88rem;
}

.footer-copy {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 680px;
}

.footer-copy strong {
  color: var(--ink);
}

.footer-copy span {
  margin: 0;
  line-height: 1.35;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-size: 0.88rem;
}

.footer-meta a {
  padding: 0;
  border: 0;
  color: var(--muted);
  background: transparent;
}

.footer-meta a:hover {
  color: var(--ink);
  background: transparent;
}

.back-to-top {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  margin: 0;
  padding: 10px 14px;
  border: 1px solid rgba(18, 20, 23, 0.1);
  border-radius: 999px;
  color: var(--blue-dark);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 14px 34px rgba(18, 20, 23, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  backdrop-filter: blur(14px);
  font-weight: 700;
  transition: opacity 0.2s ease, color 0.18s ease, transform 0.2s ease, background 0.18s ease;
  font-size: 0.9rem;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.back-to-top:hover {
  color: var(--orange);
  background: rgba(255, 255, 255, 0.96);
}

@media (max-width: 900px) {
  .site-header {
    padding: 0;
  }

  .site-header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .team-heading,
  .cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-slideshow,
  .slides,
  .network-panel,
  .network-panel svg {
    min-height: 620px;
  }

  .paper-header {
    grid-template-columns: 1fr;
  }

  .paper-actions {
    justify-content: flex-start;
  }

  .ecosystem-grid,
  .feature-grid,
  .people-grid,
  .related-card {
    grid-template-columns: 1fr;
  }

  .summary-strip {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .cta-actions {
    margin-top: 0;
  }

  .cta-dark p {
    white-space: normal;
  }
}

@media (max-width: 560px) {
  main,
  .site-header-inner,
  .footer-inner {
    width: min(calc(100% - 32px), 1180px);
  }

  h1 {
    font-size: clamp(2.55rem, 12vw, 3.05rem);
  }

  .lead {
    font-size: 1.02rem;
  }

  .section-heading h2 {
    font-size: clamp(1.55rem, 6.8vw, 1.92rem);
    line-height: 1.08;
  }

  .hero {
    padding-top: 34px;
  }

  .product-slideshow,
  .slides,
  .network-panel,
  .network-panel svg {
    min-height: 700px;
  }

  .product-slide {
    padding: 20px 58px 76px;
  }

  .slide-terminal {
    max-height: 330px;
  }

  .slide-terminal pre,
  .data-terminal pre {
    max-height: 260px;
    font-size: 0.7rem;
  }

  .slide-progress {
    left: 58px;
    right: 58px;
  }

  .slide-arrow {
    top: 0;
    bottom: 0;
    transform: none;
  }

  .slide-arrow:hover {
    transform: none;
  }

  .panel-stat {
    right: 12px;
    bottom: 12px;
    width: min(230px, calc(100% - 24px));
    padding: 12px;
  }

  .product-card {
    min-height: auto;
  }

  .product-card h3 {
    font-size: clamp(1.72rem, 7.8vw, 2.08rem);
  }

  .code-pill {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .summary-strip div,
  .feature-grid div,
  .paper-card,
  .team-block {
    padding: 20px;
  }

  .paper-actions,
  .paper-button {
    width: 100%;
  }

  .paper-button {
    justify-content: flex-start;
  }

  .person {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .person img,
  .avatar-fallback {
    width: 64px;
    height: 64px;
  }

  .footer {
    width: 100%;
  }

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

  .footer-meta {
    justify-content: flex-start;
  }

}