:root {
  --graphite: #101314;
  --charcoal: #171b1d;
  --ash: #e9e1d6;
  --mist: #a8b0ad;
  --copper: #c26831;
  --ember: #ffb15f;
  --signal: #ffe1a6;
  --line: rgba(255, 225, 166, 0.18);
  --panel: rgba(23, 27, 29, 0.74);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 10%, rgba(194, 104, 49, 0.24), transparent 28rem),
    radial-gradient(circle at 8% 28%, rgba(255, 177, 95, 0.12), transparent 24rem),
    linear-gradient(135deg, #0d1011 0%, #171b1d 48%, #262421 100%);
  color: var(--ash);
  font-family: Avenir Next, Avenir, Inter, Segoe UI, system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 225, 166, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 225, 166, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

body::after {
  content: "";
  position: fixed;
  inset: auto -15vw -42vw -15vw;
  z-index: -1;
  height: 58vw;
  background: conic-gradient(from 90deg, transparent, rgba(255, 177, 95, 0.16), transparent, rgba(168, 176, 173, 0.12), transparent);
  filter: blur(18px);
  opacity: 0.65;
  animation: slow-turn 38s linear infinite;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  margin: 16px auto 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 225, 166, 0.16);
  border-radius: 8px;
  background: rgba(16, 19, 20, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 780;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

nav {
  display: flex;
  gap: 4px;
}

nav a {
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--mist);
  font-size: 0.9rem;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(255, 225, 166, 0.1);
  color: var(--signal);
  outline: none;
}

.hero,
.split-section,
.system-section,
.protocol-section,
.transform,
footer {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.86fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 68px);
  padding: clamp(40px, 7vw, 86px) 0;
}

.kicker {
  margin: 0 0 14px;
  color: var(--ember);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: Georgia, Iowan Old Style, Times New Roman, serif;
  line-height: 0.98;
  font-weight: 700;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.4rem, 9vw, 8.4rem);
}

.emoji {
  display: inline-block;
  font-family: Apple Color Emoji, Segoe UI Emoji, sans-serif;
  font-size: 0.42em;
  vertical-align: 0.18em;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2.1rem, 4.6vw, 5rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  line-height: 1.15;
}

.lede {
  color: #f4eee5;
  font-size: clamp(1.15rem, 1.65vw, 1.45rem);
}

.hero-copy p:not(.kicker),
.system-heading p:not(.kicker),
.transform-copy p {
  max-width: 720px;
  color: var(--mist);
}

strong {
  color: var(--signal);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(255, 225, 166, 0.35);
  border-radius: 7px;
  background: linear-gradient(135deg, var(--copper), #8f3f23);
  box-shadow: 0 0 34px rgba(255, 177, 95, 0.22);
  color: #fff7e8;
  font-weight: 760;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  border-color: var(--signal);
  box-shadow: 0 0 48px rgba(255, 177, 95, 0.36);
  outline: none;
  transform: translateY(-1px);
}

.button-emoji {
  margin-left: 8px;
  font-family: Apple Color Emoji, Segoe UI Emoji, sans-serif;
}

.text-link {
  color: var(--signal);
  font-weight: 700;
  text-decoration-color: rgba(255, 225, 166, 0.38);
  text-underline-offset: 5px;
}

.hero-visual {
  position: relative;
  align-self: stretch;
  min-height: 560px;
}

.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 9% 15%;
  border: 1px solid rgba(255, 225, 166, 0.26);
  transform: rotate(30deg);
}

.hero-visual::after {
  inset: 18% 25%;
  transform: rotate(90deg);
  border-color: rgba(255, 177, 95, 0.3);
}

.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid rgba(255, 225, 166, 0.2);
  box-shadow: 0 36px 95px rgba(0, 0, 0, 0.48);
}

.signal-card {
  position: absolute;
  right: -16px;
  bottom: 28px;
  width: min(280px, calc(100% - 32px));
  padding: 16px;
  border: 1px solid rgba(255, 225, 166, 0.22);
  border-radius: 8px;
  background: rgba(16, 19, 20, 0.84);
  backdrop-filter: blur(14px);
}

.signal-card span {
  display: block;
  color: var(--ember);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.signal-card strong {
  display: block;
  margin-top: 5px;
  font-family: Georgia, Iowan Old Style, Times New Roman, serif;
  font-size: 1.2rem;
  line-height: 1.15;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto 100px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-strip div {
  padding: 24px;
}

.intro-strip div + div {
  border-left: 1px solid var(--line);
}

.intro-strip span {
  display: block;
  color: var(--signal);
  font-family: Georgia, Iowan Old Style, Times New Roman, serif;
  font-size: clamp(2.1rem, 4vw, 4.8rem);
  line-height: 1;
}

.intro-strip p {
  max-width: 260px;
  margin: 8px 0 0;
  color: var(--mist);
}

.section-label {
  margin-bottom: 28px;
  color: var(--signal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.split-grid {
  display: grid;
  gap: 28px;
}

.argument {
  display: grid;
  grid-template-columns: 0.56fr 1fr;
  gap: clamp(24px, 4vw, 58px);
  align-items: center;
  padding: clamp(18px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 27, 29, 0.6);
}

.argument.solution {
  grid-template-columns: 1fr 0.48fr;
}

.argument img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

.argument p:not(.kicker) {
  color: var(--mist);
}

.system-section {
  padding: 110px 0 0;
}

.system-heading {
  display: grid;
  grid-template-columns: 0.88fr 1fr;
  gap: clamp(28px, 6vw, 78px);
  align-items: end;
}

.architecture {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 640px;
  margin: 58px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: radial-gradient(circle, rgba(255, 177, 95, 0.1), rgba(16, 19, 20, 0.56) 42%, rgba(16, 19, 20, 0.86));
}

.architecture::before {
  content: "";
  position: absolute;
  width: 62%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 225, 166, 0.2);
  transform: rotate(30deg);
}

.core {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
}

.core img {
  width: min(54vw, 420px);
  border-radius: 50%;
  box-shadow: 0 0 90px rgba(255, 177, 95, 0.26);
}

.core span,
.orbit {
  border: 1px solid rgba(255, 225, 166, 0.28);
  border-radius: 999px;
  background: rgba(16, 19, 20, 0.8);
  color: var(--signal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 800;
}

.core span {
  position: absolute;
  bottom: 14%;
  padding: 10px 14px;
}

.orbit {
  position: absolute;
  padding: 11px 15px;
}

.orbit-a {
  top: 16%;
  left: 16%;
}

.orbit-b {
  top: 18%;
  right: 14%;
}

.orbit-c {
  bottom: 18%;
  left: 13%;
}

.orbit-d {
  right: 17%;
  bottom: 15%;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature {
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature.wide {
  grid-column: span 3;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
  align-items: start;
}

.feature img {
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  border-radius: 50%;
}

.mini-kicker {
  margin-bottom: 8px;
  color: var(--ember);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.feature.wide img {
  margin-bottom: 0;
}

.feature p {
  margin-bottom: 0;
  color: var(--mist);
}

.protocol-section {
  display: grid;
  grid-template-columns: 0.78fr 1fr;
  gap: clamp(24px, 5vw, 80px);
  align-items: start;
  margin-top: 96px;
  padding: 36px;
  border: 1px solid rgba(255, 225, 166, 0.24);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(194, 104, 49, 0.22), rgba(16, 19, 20, 0.58));
}

.protocol-section p:last-child {
  margin-bottom: 0;
  color: #efe3d3;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
}

.autonomy-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) 1fr;
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  width: min(calc(100% - 32px), var(--max));
  margin: 96px auto 0;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 19, 20, 0.58);
}

.autonomy-visual img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid rgba(255, 225, 166, 0.22);
  border-radius: 8px;
  box-shadow: 0 28px 84px rgba(0, 0, 0, 0.42);
}

.autonomy-copy > p:not(.kicker) {
  color: var(--mist);
  font-size: clamp(1.05rem, 1.5vw, 1.24rem);
}

.concept-stack {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.concept-stack article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid rgba(255, 225, 166, 0.16);
  border-radius: 8px;
  background: rgba(23, 27, 29, 0.72);
}

.concept-stack img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
}

.concept-stack h3 {
  color: var(--signal);
}

.concept-stack p:last-child {
  margin-bottom: 0;
}

.inline-emoji {
  font-family: Apple Color Emoji, Segoe UI Emoji, sans-serif;
}

.transform {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 0.62fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  padding: 116px 0;
}

.transform h2 span {
  color: var(--ember);
}

.transform-image {
  margin: 0;
}

.transform-image img {
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
}

figcaption {
  margin-top: 12px;
  color: var(--mist);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--mist);
}

footer p {
  margin: 0;
}

.footer-copy {
  display: grid;
  gap: 4px;
  max-width: 680px;
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slow-turn {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .hero,
  .system-heading,
  .protocol-section,
  .autonomy-section,
  .transform {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 62px;
  }

  .hero-visual {
    min-height: 460px;
  }

  .intro-strip,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .intro-strip div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .argument,
  .argument.solution {
    grid-template-columns: 1fr;
  }

  .argument.solution img {
    order: -1;
  }

  .feature.wide {
    grid-column: auto;
    display: block;
  }

  .feature.wide img {
    margin-bottom: 18px;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  nav a {
    padding: 7px 8px;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 5rem);
  }

  .hero-visual {
    min-height: 360px;
  }

  .signal-card {
    right: 12px;
    bottom: 12px;
  }

  .architecture {
    min-height: 520px;
  }

  .architecture::before {
    width: 92%;
  }

  .core img {
    width: min(76vw, 340px);
  }

  .orbit {
    font-size: 0.7rem;
  }

  .orbit-a {
    left: 6%;
  }

  .orbit-b {
    right: 5%;
  }

  .orbit-c {
    left: 7%;
  }

  .orbit-d {
    right: 7%;
  }

  .protocol-section {
    padding: 24px;
  }

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

  .autonomy-section {
    padding: 22px;
  }

  .concept-stack article {
    grid-template-columns: 1fr;
  }

  .footer-copy {
    text-align: left;
  }
}