:root {
  --black: #000000;
  --white: #ffffff;
  --silver: #c8ccce;
  --silver-bright: #eef1f2;
  --gunmetal: #565f64;
  --teal: #00a19b;
  --teal-soft: rgba(0, 161, 155, 0.24);
  --line-dark: rgba(255, 255, 255, 0.12);
  --line-light: rgba(0, 0, 0, 0.08);
  --surface-dark: rgba(10, 12, 14, 0.72);
  --surface-dark-strong: rgba(12, 16, 18, 0.92);
  --surface-light: rgba(255, 255, 255, 0.68);
  --text-dark: #0f1417;
  --text-light: rgba(255, 255, 255, 0.9);
  --text-soft: rgba(255, 255, 255, 0.66);
  --shadow-dark: 0 24px 90px rgba(0, 0, 0, 0.35);
  --shadow-light: 0 24px 90px rgba(24, 29, 31, 0.12);
  --radius-xl: 2rem;
  --radius-lg: 1.35rem;
  --radius-md: 1rem;
  --container: min(1240px, calc(100vw - 3rem));
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  color: var(--text-light);
  background:
    radial-gradient(circle at top left, rgba(0, 161, 155, 0.14), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(200, 204, 206, 0.12), transparent 18%),
    linear-gradient(180deg, #030405 0%, #081012 46%, #050607 100%);
  overflow-x: clip;
}

body::before {
  position: fixed;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 92%);
  pointer-events: none;
  z-index: 0;
}

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

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

button {
  font: inherit;
}

.page-shell {
  position: relative;
  z-index: 1;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  padding: 1rem 0;
  pointer-events: none;
}

.topbar__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(7, 10, 11, 0.65);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  pointer-events: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.brand__mark,
.footer__mark {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  padding: 0.18rem;
  overflow: hidden;
  border-radius: 0.8rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.02)),
    rgba(0, 161, 155, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
  isolation: isolate;
}

.footer__mark {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 1rem;
}

.brand__logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  mix-blend-mode: screen;
  filter: saturate(1.08) contrast(1.1);
  transform: scale(1.06);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand__text strong {
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand__text small {
  font-size: 0.68rem;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav a,
.menu-toggle {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  transition: color var(--transition), opacity var(--transition);
}

.nav a:hover,
.nav a:focus-visible,
.menu-toggle:hover,
.menu-toggle:focus-visible {
  color: var(--white);
}

.menu-toggle {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
}

.hero {
  position: relative;
  min-height: auto;
}

.hero__sticky {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: clip;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  overflow: clip;
}

.hero__grid,
.stack-visual__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.25;
}

.hero__halo {
  position: absolute;
  border-radius: 50%;
  filter: blur(12px);
}

.hero__halo--one {
  width: 42rem;
  height: 42rem;
  top: -8rem;
  right: -7rem;
  background:
    radial-gradient(circle, rgba(0, 161, 155, 0.25) 0%, rgba(0, 161, 155, 0.12) 30%, transparent 70%);
}

.hero__halo--two {
  width: 28rem;
  height: 28rem;
  left: -10rem;
  bottom: 4rem;
  background:
    radial-gradient(circle, rgba(200, 204, 206, 0.2) 0%, rgba(200, 204, 206, 0.05) 45%, transparent 72%);
}

.hero__sweep {
  position: absolute;
  inset: -30%;
  background: conic-gradient(from 180deg, transparent 0deg, rgba(0, 161, 155, 0.1) 54deg, transparent 86deg);
  animation: sweep 14s linear infinite;
  opacity: 0.45;
}

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(18rem, 0.62fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  min-height: 100svh;
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.hero__copy {
  position: relative;
  z-index: 2;
}

.hero__aside {
  position: relative;
  z-index: 2;
  align-self: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.eyebrow::before {
  content: "";
  width: 2.8rem;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.eyebrow--dark {
  color: rgba(15, 20, 23, 0.62);
}

.hero__title {
  margin: 0;
  font-size: clamp(3.8rem, 8vw, 7rem);
  line-height: 0.94;
  letter-spacing: -0.07em;
  text-transform: uppercase;
}

.hero__title span {
  display: block;
}

.hero__summary,
.section-heading p,
.signal-card p,
.stack-panel__body,
.partner-card p,
.roadmap-card p,
.footer p {
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.75;
}

.hero__summary {
  max-width: 38rem;
  margin: 1.6rem 0 0;
  color: var(--text-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
  padding: 0 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

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

.button--primary {
  color: var(--black);
  background: linear-gradient(135deg, var(--silver-bright), var(--silver));
  box-shadow: 0 14px 36px rgba(200, 204, 206, 0.18);
}

.button--ghost {
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.hero__visual {
  position: relative;
  min-height: 34rem;
}

.stack-visual {
  position: relative;
  min-height: 55rem;
  border-radius: 2.2rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top, rgba(200, 204, 206, 0.14), transparent 25%),
    linear-gradient(155deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow-dark);
}

.stack-visual::before {
  position: absolute;
  inset: 1rem;
  content: "";
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.stack-visual__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
}

.stack-visual__glow--one {
  width: 16rem;
  height: 16rem;
  top: 2rem;
  left: 2rem;
  background: radial-gradient(circle, rgba(0, 161, 155, 0.18), transparent 72%);
}

.stack-visual__glow--two {
  width: 12rem;
  height: 12rem;
  right: 2rem;
  bottom: 2.5rem;
  background: radial-gradient(circle, rgba(200, 204, 206, 0.14), transparent 72%);
}

.stack-layer {
  position: absolute;
  display: grid;
  gap: 0.7rem;
  padding: 1.2rem 1.3rem;
  border-radius: 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(7, 10, 11, 0.78);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.24);
}

.stack-layer::before {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: inherit;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.stack-layer--input {
  top: 2.8rem;
  right: 2.2rem;
  width: 15.5rem;
}

.stack-layer--core {
  top: 50%;
  left: 50%;
  width: min(22rem, 72%);
  transform: translate(-50%, -50%);
  padding: 1.45rem;
  border-color: rgba(0, 161, 155, 0.28);
  background:
    radial-gradient(circle at top, rgba(0, 161, 155, 0.18), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03)),
    rgba(5, 10, 11, 0.9);
  box-shadow:
    inset 0 0 32px rgba(0, 161, 155, 0.08),
    0 24px 64px rgba(0, 0, 0, 0.32);
}

.stack-layer--output {
  left: 2.2rem;
  bottom: 2.8rem;
  width: 16.5rem;
}

.stack-layer--input::after,
.stack-layer--output::after {
  position: absolute;
  content: "";
  background: linear-gradient(90deg, rgba(0, 161, 155, 0.58), rgba(0, 161, 155, 0));
  height: 1px;
}

.stack-layer--input::after {
  top: calc(100% + 0.75rem);
  left: -4.75rem;
  width: 6rem;
}

.stack-layer--output::after {
  top: 50%;
  right: -5.5rem;
  width: 6.5rem;
}

.stack-layer__label,
.stack-panel__tag,
.metric__label,
.pillar__eyebrow,
.roadmap-card__phase,
.footer__label,
.confidence-track__label,
.step-card__index {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.stack-layer__label {
  color: rgba(255, 255, 255, 0.55);
}

.stack-layer strong {
  color: var(--white);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.12;
}

.stack-layer p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.6;
}

.stack-layer__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.stack-layer__pillars span {
  padding: 0.52rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 161, 155, 0.28);
  background: rgba(255, 255, 255, 0.04);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}

.stack-note {
  position: absolute;
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem 0.95rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 10, 11, 0.68);
  color: rgba(255, 255, 255, 0.72);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.55;
  letter-spacing: 0.04em;
  backdrop-filter: blur(14px);
}

.stack-note--overview {
  top: 7rem;
  left: 2rem;
  width: 12rem;
}

.stack-note--status {
  right: 2.2rem;
  bottom: 9rem;
  width: 13rem;
}

.signal {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 161, 155, 0.25), transparent 70%);
  filter: blur(6px);
}

.signal--one {
  width: 12rem;
  height: 12rem;
  top: -1rem;
  left: -1rem;
}

.signal--two {
  width: 10rem;
  height: 10rem;
  right: 1rem;
  bottom: 0.5rem;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: 2rem;
}

.hero__metrics--column {
  grid-template-columns: 1fr;
  padding-bottom: 0;
}

.metric {
  position: relative;
  padding: 1.2rem 1.3rem;
  border-radius: 1.3rem;
  background: rgba(8, 10, 12, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-dark);
  overflow: hidden;
}

.metric::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  content: "";
  background: linear-gradient(180deg, var(--teal), transparent);
}

.metric__value {
  display: block;
  margin-top: 0.5rem;
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.06em;
}

.metric__text {
  margin: 0.5rem 0 0;
  color: var(--text-soft);
  font-size: 0.96rem;
  line-height: 1.6;
}

.section {
  position: relative;
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.section--silver,
.section--loop,
.section--partner {
  color: var(--text-dark);
  background:
    radial-gradient(circle at top right, rgba(0, 161, 155, 0.08), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(233, 237, 238, 0.98));
}

.section--silver::before,
.section--loop::before,
.section--partner::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(14, 18, 20, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 18, 20, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.section-heading {
  display: grid;
  gap: 1.1rem;
  max-width: 52rem;
  margin-bottom: 3rem;
}

.section-heading--split {
  max-width: none;
  grid-template-columns: minmax(0, 1.1fr) minmax(16rem, 0.9fr);
  align-items: end;
}

.section-heading h2,
.signal-card h3,
.stack-panel h3,
.capability-surface h3,
.partner-card h3 {
  margin: 0;
  font-size: clamp(2.2rem, 4.6vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.section-heading p {
  margin: 0;
  color: inherit;
  opacity: 0.75;
}

.market-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}

.signal-card,
.trend-panel,
.stack-panel,
.capability-surface,
.partner-card,
.roadmap-card,
.step-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.signal-card,
.trend-panel {
  padding: 1.6rem;
  min-height: 18rem;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 20, 23, 0.08);
  box-shadow: var(--shadow-light);
}

.signal-card__eyebrow {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(15, 20, 23, 0.54);
}

.signal-card h3 {
  margin-top: 1rem;
  max-width: 18ch;
  font-size: clamp(1.9rem, 3vw, 3rem);
}

.signal-card p {
  margin: 1.25rem 0 0;
  color: rgba(15, 20, 23, 0.72);
}

.trend-panel {
  display: grid;
  grid-template-columns: minmax(8rem, 0.85fr) minmax(0, 1.15fr);
  gap: 1.4rem;
  align-items: center;
}

.trend-panel__chart {
  display: grid;
  align-items: end;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
  min-height: 14rem;
}

.trend-panel__chart span {
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, rgba(0, 161, 155, 0.92), rgba(86, 95, 100, 0.18));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  transform-origin: bottom center;
  animation: rise 3.2s ease-in-out infinite;
}

.trend-panel__chart span:nth-child(1) {
  height: 36%;
  animation-delay: -1.2s;
}

.trend-panel__chart span:nth-child(2) {
  height: 52%;
  animation-delay: -0.9s;
}

.trend-panel__chart span:nth-child(3) {
  height: 74%;
  animation-delay: -0.6s;
}

.trend-panel__chart span:nth-child(4) {
  height: 100%;
  animation-delay: -0.3s;
}

.trend-panel__copy strong {
  display: block;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  line-height: 1.2;
}

.trend-panel__copy p {
  margin: 1rem 0 0;
  color: rgba(15, 20, 23, 0.72);
  line-height: 1.65;
}

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

.pillar,
.capability,
.partner-card {
  padding: 1.35rem;
  border-radius: 1.5rem;
}

.pillar {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(15, 20, 23, 0.08);
  box-shadow: var(--shadow-light);
}

.pillar__eyebrow {
  color: rgba(15, 20, 23, 0.46);
}

.pillar h3,
.capability h3,
.roadmap-card h3 {
  margin: 0.9rem 0 0;
  font-size: 1.25rem;
  line-height: 1.2;
}

.pillar p,
.capability p,
.roadmap-card p,
.partner-card p {
  margin: 0.8rem 0 0;
  line-height: 1.7;
  color: rgba(15, 20, 23, 0.68);
}

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

.stack-panel,
.capability-surface,
.roadmap-card,
.partner-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(8, 12, 14, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-dark);
}

.stack-panel {
  padding: 1.4rem;
}

.stack-panel--accent {
  background:
    linear-gradient(180deg, rgba(0, 161, 155, 0.14), rgba(255, 255, 255, 0.02)),
    rgba(6, 13, 14, 0.88);
}

.stack-panel__header {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.stack-panel__tag {
  color: rgba(255, 255, 255, 0.56);
}

.stack-panel h3 {
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
}

.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-bottom: 1.2rem;
}

.pipeline__chip {
  position: relative;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--text-light);
}

.pipeline__chip--accent {
  background: rgba(0, 161, 155, 0.12);
  border-color: rgba(0, 161, 155, 0.28);
  box-shadow: inset 0 0 0 1px rgba(0, 161, 155, 0.1);
}

.pipeline__arrow {
  color: rgba(255, 255, 255, 0.28);
  font-size: 1.2rem;
}

.stack-panel__body {
  margin: 0;
  color: var(--text-soft);
}

.capability-surface {
  margin-top: 1rem;
  padding: 1.4rem;
}

.capability-surface__intro {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.capability-surface__intro .eyebrow {
  margin-bottom: 0.5rem;
}

.capability {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.capability h3 {
  color: var(--white);
}

.capability p {
  color: var(--text-soft);
}

.capability__index {
  color: rgba(0, 161, 155, 0.8);
}

.loop-layout {
  display: grid;
  gap: 2rem;
}

.loop-composition {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  grid-template-rows: repeat(3, minmax(0, 1fr)) auto;
  gap: 1rem clamp(1.5rem, 3vw, 2.5rem);
  align-items: stretch;
}

.step-list {
  display: contents;
}

.step-card {
  padding: 1.3rem 1.35rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 20, 23, 0.08);
  box-shadow: var(--shadow-light);
}

.step-card:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
}

.step-card:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
}

.step-card:nth-child(3) {
  grid-column: 1;
  grid-row: 3;
}

.step-card:nth-child(4) {
  grid-column: 1;
  grid-row: 4;
}

.step-card:nth-child(5) {
  grid-column: 2;
  grid-row: 4;
}

.step-card__index {
  color: rgba(15, 20, 23, 0.45);
}

.step-card h3 {
  margin: 0.7rem 0 0;
  font-size: 1.18rem;
  line-height: 1.25;
}

.step-card p {
  margin: 0.75rem 0 0;
  color: rgba(15, 20, 23, 0.72);
  line-height: 1.7;
}

.loop-visual {
  position: relative;
  grid-column: 2;
  grid-row: 1 / 4;
}

.loop-visual__frame {
  --loop-orbit-size: 29rem;
  --loop-core-ring-size: 13rem;
  --loop-orbit-speed: 20s;
  position: relative;
  min-height: 42rem;
  height: 100%;
  border-radius: 2rem;
  background:
    radial-gradient(circle at center, rgba(0, 161, 155, 0.12), transparent 25%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.66));
  border: 1px solid rgba(15, 20, 23, 0.08);
  box-shadow: var(--shadow-light);
  overflow: hidden;
}

.loop-visual__frame::before {
  position: absolute;
  inset: 1rem;
  content: "";
  border: 1px solid rgba(15, 20, 23, 0.08);
  border-radius: 1.4rem;
}

.loop-ring {
  position: absolute;
  inset: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.loop-ring--inner {
  width: var(--loop-core-ring-size);
  height: var(--loop-core-ring-size);
  top: 50%;
  left: 50%;
  border: 0;
  box-shadow: none;
  background: radial-gradient(circle, rgba(0, 161, 155, 0.08), transparent 72%);
}

.loop-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  gap: 0.4rem;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.loop-core span:nth-child(1) {
  color: rgba(15, 20, 23, 0.92);
}

.loop-core span:nth-child(2) {
  color: rgba(0, 161, 155, 0.84);
}

.loop-core span:nth-child(3) {
  color: rgba(15, 20, 23, 0.55);
}

.loop-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--loop-orbit-size);
  height: var(--loop-orbit-size);
  transform: translate(-50%, -50%);
  animation: spin var(--loop-orbit-speed) linear infinite;
}

.loop-ring--outer {
  width: 100%;
  height: 100%;
  top: 50%;
  left: 50%;
  border: 2px dashed rgba(0, 161, 155, 0.76);
  box-shadow: inset 0 0 0 1px rgba(0, 161, 155, 0.06);
}

.loop-node {
  position: absolute;
}

.loop-node--top {
  top: calc(50% - (var(--loop-orbit-size) / 2));
  left: 50%;
  transform: translate(-50%, -50%);
}

.loop-node--right {
  top: 50%;
  left: calc(50% + (var(--loop-orbit-size) / 2));
  transform: translate(-50%, -50%);
}

.loop-node--bottom {
  top: calc(50% + (var(--loop-orbit-size) / 2));
  left: 50%;
  transform: translate(-50%, -50%);
}

.loop-node--left {
  top: 50%;
  left: calc(50% - (var(--loop-orbit-size) / 2));
  transform: translate(-50%, -50%);
}

.loop-node__shell {
  display: block;
  min-width: 7.5rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.92);
  border: 2px dashed rgba(0, 161, 155, 0.72);
  color: rgba(15, 20, 23, 0.92);
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 14px 32px rgba(15, 20, 23, 0.08);
}

.section--safety {
  overflow: hidden;
}

.confidence-shell {
  display: grid;
  grid-template-columns: minmax(13rem, 0.32fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.confidence-shell__brain {
  display: grid;
  align-content: center;
  gap: 0.2rem;
  padding: 1.6rem;
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 20, 23, 0.08);
  box-shadow: var(--shadow-light);
}

.confidence-shell__brain span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(15, 20, 23, 0.54);
}

.confidence-shell__brain strong {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.confidence-shell__tracks {
  display: grid;
  gap: 1rem;
}

.confidence-track {
  position: relative;
  display: grid;
  grid-template-columns: minmax(11rem, 0.38fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 1.2rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 20, 23, 0.08);
  box-shadow: var(--shadow-light);
}

.confidence-track::before {
  position: absolute;
  left: -1rem;
  top: 50%;
  width: 1rem;
  height: 2px;
  content: "";
  background: var(--teal);
  transform: translateY(-50%);
}

.confidence-track__label {
  color: rgba(15, 20, 23, 0.54);
}

.confidence-track h3 {
  margin: 0.45rem 0 0;
  font-size: 1.25rem;
}

.confidence-track p {
  margin: 0.55rem 0 0;
  color: rgba(15, 20, 23, 0.72);
  line-height: 1.65;
}

.section--roadmap {
  overflow: hidden;
}

.roadmap-shell {
  position: relative;
  padding-top: 1rem;
}

.roadmap-line {
  position: absolute;
  top: 12rem;
  left: 0;
  right: 0;
  height: 1px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.18), rgba(0, 161, 155, 0.58), rgba(255, 255, 255, 0.12));
}

.roadmap-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.roadmap-card {
  position: relative;
  padding: 1.5rem;
  min-height: 20rem;
}

.roadmap-card::before {
  content: none;
}

.roadmap-card__phase {
  color: rgba(0, 161, 155, 0.72);
}

.roadmap-card__duration {
  margin-top: 0.55rem;
  font-size: 0.96rem;
  color: var(--text-soft);
}

.roadmap-card p {
  color: var(--text-soft);
}

.roadmap-card ul {
  padding-left: 1rem;
  margin: 1rem 0 0;
  color: var(--text-soft);
  line-height: 1.65;
}

.roadmap-card li + li {
  margin-top: 0.4rem;
}

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

.partner-card {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(15, 20, 23, 0.08);
  box-shadow: var(--shadow-light);
}

.partner-card__index {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(15, 20, 23, 0.46);
}

.partner-card h3 {
  font-size: clamp(1.5rem, 1.9vw, 2.05rem);
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.footer {
  position: relative;
  padding: 2rem 0 3rem;
  background: #040607;
}

.footer::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(0, 161, 155, 0.08), transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  opacity: 0.3;
  pointer-events: none;
}

.footer__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 2rem;
  padding-top: 2rem;
}

.footer__brand {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.footer__brand strong {
  display: block;
  font-size: 1.5rem;
  line-height: 1.05;
}

.footer__brand p {
  margin: 0.8rem 0 0;
  color: var(--text-soft);
}

.footer__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.footer__label {
  color: rgba(255, 255, 255, 0.5);
}

.footer__meta p {
  margin: 0.5rem 0 0;
}

.footer__link {
  display: inline-flex;
  align-items: center;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  transition: border-color var(--transition), color var(--transition);
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--white);
  border-color: rgba(0, 161, 155, 0.55);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 720ms cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 720ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

.parallax {
  transform: translate3d(0, var(--parallax-shift, 0px), 0);
  will-change: transform;
}

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

@keyframes spin {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes spin-reverse {
  from {
    transform: translate(-50%, -50%) rotate(360deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.05);
  }
}

@keyframes rise {
  0%,
  100% {
    transform: scaleY(0.96);
  }
  50% {
    transform: scaleY(1.04);
  }
}

@media (max-width: 1100px) {
  .hero__layout,
  .market-grid,
  .section-heading--split,
  .footer__inner {
    grid-template-columns: 1fr;
  }

  .hero__layout {
    padding-bottom: 4rem;
  }

  .hero__metrics,
  .pillars,
  .capability-grid,
  .partner-grid,
  .roadmap-track,
  .architecture-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stack-layer--input {
    top: 2rem;
    right: 1.4rem;
    width: 13.5rem;
  }

  .stack-layer--core {
    width: min(18.5rem, 74%);
  }

  .stack-layer--output {
    left: 1.4rem;
    bottom: 2rem;
    width: 14.25rem;
  }

  .stack-note--overview {
    top: 6.4rem;
    left: 1.4rem;
    width: 10rem;
  }

  .stack-note--status {
    right: 1.4rem;
    bottom: 8rem;
    width: 10.5rem;
  }

  .loop-composition {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .step-list {
    display: grid;
    gap: 1rem;
  }

  .step-card:nth-child(1),
  .step-card:nth-child(2),
  .step-card:nth-child(3),
  .step-card:nth-child(4),
  .step-card:nth-child(5),
  .loop-visual {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 820px) {
  :root {
    --container: calc(100vw - 1rem);
  }

  body::before {
    background-size: 40px 40px;
  }

  .topbar {
    padding: 0.75rem 0;
  }

  .topbar__inner {
    gap: 0.75rem;
    padding: 0.75rem 0.85rem;
    border-radius: 1.2rem;
    align-items: center;
    justify-content: flex-start;
  }

  .menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    min-height: 2.45rem;
    width: 2.45rem;
    padding: 0;
    margin-left: auto;
    flex-shrink: 0;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--white);
    font-size: 0;
  }

  .menu-toggle::before {
    content: "≡";
    font-size: 1.1rem;
    line-height: 1;
  }

  .nav {
    display: none;
  }

  .brand {
    gap: 0.65rem;
    min-width: 0;
    max-width: none;
  }

  .brand__mark {
    width: 2.5rem;
    height: 2.5rem;
  }

  .brand__text strong {
    font-size: 0.88rem;
    display: block;
    max-width: 10.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand__text small {
    display: none;
  }

  .nav {
    position: absolute;
    top: calc(100% + 0.65rem);
    left: 0;
    right: 0;
    display: grid;
    gap: 0.65rem;
    padding: 1rem;
    border-radius: 1.25rem;
    background: rgba(7, 10, 11, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-dark);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity var(--transition),
      transform var(--transition);
  }

  .topbar__inner.nav-open .nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    min-height: auto;
  }

  .hero__sticky {
    position: relative;
    min-height: auto;
  }

  .hero__layout {
    min-height: auto;
    padding-top: 7rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .hero__visual,
  .stack-visual,
  .loop-visual__frame {
    min-height: 28rem;
  }

  .hero__metrics,
  .pillars,
  .capability-grid,
  .partner-grid,
  .roadmap-track,
  .architecture-compare,
  .loop-composition,
  .confidence-shell,
  .confidence-track,
  .footer__meta {
    grid-template-columns: 1fr;
  }

  .stack-visual {
    display: grid;
    align-content: start;
    gap: 0.9rem;
    padding: 1rem;
  }

  .stack-layer,
  .stack-note {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    transform: none;
    width: auto;
    margin: 0;
  }

  .stack-layer--input::after,
  .stack-layer--output::after {
    display: none;
  }

  .stack-layer--core {
    order: 2;
  }

  .stack-layer--input {
    order: 1;
  }

  .stack-layer--output {
    order: 3;
  }

  .stack-note--overview {
    order: 4;
  }

  .stack-note--status {
    order: 5;
  }

  .loop-visual__frame {
    --loop-orbit-size: 20rem;
    --loop-core-ring-size: 10rem;
  }

  .loop-core {
    font-size: 1rem;
  }

  .loop-node__shell {
    min-width: 6rem;
    padding: 0.75rem 0.85rem;
    font-size: 0.9rem;
  }

  .roadmap-line {
    display: none;
  }

  .roadmap-card::before {
    top: 1.45rem;
  }

  .footer {
    padding-top: 1rem;
  }
}

@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;
    scroll-behavior: auto !important;
  }

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