:root {
  --ink: #07111f;
  --ink-soft: #0b1929;
  --ink-lift: #102238;
  --paper: #f4f2eb;
  --paper-warm: #eae6dc;
  --white: #ffffff;
  --text: #142033;
  --muted: #5b6675;
  --muted-light: #9ba8b8;
  --line: rgba(20, 32, 51, 0.14);
  --line-light: rgba(255, 255, 255, 0.13);
  --gold: #f7bf00;
  --gold-soft: #ffcf32;
  --mint: #42d7ad;
  --blue: #5ca5ff;
  --danger: #f56f66;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow: 0 30px 80px rgba(0, 8, 20, 0.22);
  --shadow-soft: 0 18px 50px rgba(7, 17, 31, 0.1);
  --max: 1220px;
  --header-height: 78px;
  --font-display: "Segoe UI Variable Display", "Aptos Display", "Segoe UI", system-ui, sans-serif;
  --font-body: "Segoe UI Variable Text", "Aptos", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--ink);
  font-family: var(--font-body);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
figure,
blockquote,
ol,
ul {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  background: var(--gold);
  color: var(--ink);
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--gold);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease;
}

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

.container {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: clamp(84px, 9vw, 136px) 0;
}

.section-light {
  background: var(--paper);
}

.section-paper {
  background: #faf9f5;
}

.section-ink {
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 5%, rgba(92, 165, 255, 0.11), transparent 32%),
    var(--ink);
  color: var(--white);
}

.eyebrow,
.signal-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: #a16f00;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-ink .eyebrow,
.section-vision .eyebrow,
.contact-section .eyebrow,
.hero .eyebrow {
  color: var(--gold);
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  background: currentColor;
  content: "";
}

.signal-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(66, 215, 173, 0.12), 0 0 20px rgba(66, 215, 173, 0.7);
}

.signal-dot::after {
  position: absolute;
  inset: -7px;
  border: 1px solid rgba(66, 215, 173, 0.45);
  border-radius: 50%;
  content: "";
  animation: signal-pulse 2.2s ease-out infinite;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

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

.button-primary {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 14px 36px rgba(247, 191, 0, 0.16);
}

.button-primary:hover {
  background: var(--gold-soft);
  box-shadow: 0 18px 42px rgba(247, 191, 0, 0.24);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.button-dark:hover {
  background: var(--ink-lift);
  box-shadow: var(--shadow-soft);
}

.button-outline {
  border-color: rgba(255, 255, 255, 0.24);
  background: transparent;
  color: var(--white);
}

.button-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.button-wide {
  width: 100%;
  justify-content: space-between;
  padding-inline: 22px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.text-link:hover {
  color: #846000;
}

/* Header */

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: linear-gradient(to bottom, rgba(7, 17, 31, 0.78), rgba(7, 17, 31, 0));
  transition: height 200ms ease, background-color 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(255, 255, 255, 0.09);
  background: rgba(7, 17, 31, 0.91);
  box-shadow: 0 12px 36px rgba(0, 5, 14, 0.24);
  backdrop-filter: blur(18px) saturate(140%);
}

.nav-shell {
  display: flex;
  width: min(var(--max), calc(100% - 48px));
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  width: 176px;
  flex: 0 0 auto;
  align-items: center;
}

.brand img,
.footer-brand img {
  width: 100%;
  height: auto;
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 30px);
}

.nav-panel > a {
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 160ms ease;
}

.nav-panel > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--gold);
  content: "";
  transition: transform 160ms ease;
}

.nav-panel > a:hover,
.nav-panel > a[aria-current="true"] {
  color: var(--white);
}

.nav-panel > a:hover::after,
.nav-panel > a[aria-current="true"]::after {
  transform: scaleX(1);
}

.nav-panel .nav-cta {
  padding: 10px 14px;
  border: 1px solid rgba(247, 191, 0, 0.5);
  border-radius: 6px;
  color: var(--gold);
}

.nav-panel .nav-cta:hover {
  background: var(--gold);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--white);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* Hero */

.hero {
  position: relative;
  display: grid;
  min-height: 800px;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 10px) 0 72px;
  background:
    linear-gradient(115deg, rgba(7, 17, 31, 1) 0%, rgba(7, 17, 31, 0.96) 45%, rgba(10, 25, 42, 0.98) 100%),
    var(--ink);
  color: var(--white);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(247, 191, 0, 0.75), transparent);
  content: "";
}

.hero-grid,
.contact-grid {
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, black 20%, black 75%, transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  pointer-events: none;
}

.hero-glow-one {
  top: 13%;
  right: -10%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(92, 165, 255, 0.13), transparent 66%);
}

.hero-glow-two {
  bottom: -24%;
  left: 12%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(247, 191, 0, 0.1), transparent 65%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(500px, 1.08fr);
  align-items: center;
  gap: clamp(54px, 7vw, 100px);
}

.signal-label {
  margin-bottom: 25px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.12em;
}

.hero h1 {
  max-width: 10.5ch;
  margin-bottom: 28px;
  font-size: clamp(3.15rem, 5.6vw, 6rem);
  font-weight: 720;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.hero h1 em {
  display: block;
  color: var(--gold);
  font-style: normal;
  font-weight: 580;
}

.hero-lede {
  max-width: 650px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1.04rem, 1.6vw, 1.2rem);
  line-height: 1.7;
}

.scope-inline {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 25px 0 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.78rem;
}

.scope-inline span {
  color: var(--gold);
  font-size: 0.55rem;
}

.patent-inline {
  max-width: 620px;
  margin: 12px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(247, 191, 0, 0.7);
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.76rem;
  line-height: 1.5;
}

.patent-inline strong {
  color: var(--gold);
}

.hero-visual {
  position: relative;
  margin: 0;
}

.visual-frame {
  position: relative;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: 0 50px 100px rgba(0, 5, 14, 0.48);
}

.visual-frame::before,
.visual-frame::after {
  position: absolute;
  z-index: 3;
  width: 64px;
  height: 64px;
  content: "";
  pointer-events: none;
}

.visual-frame::before {
  top: -9px;
  left: -9px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.visual-frame::after {
  right: -9px;
  bottom: -9px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}

.visual-frame > img {
  width: 100%;
  aspect-ratio: 1.9 / 1;
  border-radius: 1px;
  filter: saturate(0.92) contrast(1.05) brightness(0.86);
  object-fit: cover;
}

.visual-frame::after {
  box-shadow: 30px 30px 80px rgba(247, 191, 0, 0.12);
}

.visual-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 3px 1px 12px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.visual-scan {
  position: absolute;
  z-index: 2;
  top: 47px;
  right: 12px;
  bottom: 12px;
  left: 12px;
  overflow: hidden;
  pointer-events: none;
}

.visual-scan::after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(66, 215, 173, 0.75), transparent);
  box-shadow: 0 0 18px rgba(66, 215, 173, 0.55);
  content: "";
  animation: scan-line 6s linear infinite;
}

.visual-node {
  position: absolute;
  z-index: 4;
  width: 19px;
  height: 19px;
  border: 1px solid var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(66, 215, 173, 0.65);
  pointer-events: none;
}

.visual-node::before,
.visual-node::after {
  position: absolute;
  inset: 50% auto auto 50%;
  border: 1px solid rgba(66, 215, 173, 0.36);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
}

.visual-node::before {
  width: 34px;
  height: 34px;
}

.visual-node::after {
  width: 52px;
  height: 52px;
}

.visual-node i {
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--mint);
}

.node-a {
  top: 51%;
  left: 18%;
}

.node-b {
  top: 42%;
  left: 67%;
}

.node-c {
  right: 13%;
  bottom: 21%;
}

.floating-stat {
  position: absolute;
  z-index: 5;
  min-width: 145px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-left: 3px solid var(--gold);
  background: rgba(7, 17, 31, 0.9);
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
}

.floating-stat span {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.floating-stat strong {
  display: block;
  margin-top: 2px;
  color: var(--white);
  font-size: 1.35rem;
  line-height: 1.1;
}

.floating-stat-left {
  bottom: -28px;
  left: -32px;
}

.floating-stat-right {
  right: -22px;
  bottom: 30px;
}

.hero-visual figcaption {
  max-width: 520px;
  margin: 38px 0 0 auto;
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.76rem;
  line-height: 1.55;
  text-align: right;
}

/* Proof strip */

.proof-strip {
  position: relative;
  z-index: 3;
  padding: 0 0 25px;
  background: var(--ink-soft);
  color: var(--white);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-right: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.proof-item {
  position: relative;
  min-height: 168px;
  padding: 34px 28px 30px;
  border-right: 1px solid var(--line-light);
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item::after {
  position: absolute;
  right: 28px;
  bottom: 0;
  left: 28px;
  height: 2px;
  transform: scaleX(0.18);
  transform-origin: left;
  background: var(--gold);
  content: "";
  transition: transform 300ms ease;
}

.proof-item:hover::after {
  transform: scaleX(1);
}

.proof-index {
  position: absolute;
  top: 18px;
  right: 20px;
  color: rgba(255, 255, 255, 0.22);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.proof-item strong {
  display: block;
  margin-bottom: 10px;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 680;
  letter-spacing: -0.05em;
  line-height: 1;
}

.proof-item > span:last-child {
  display: block;
  max-width: 16ch;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.055em;
  line-height: 1.45;
  text-transform: uppercase;
}

.proof-note {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.72rem;
  text-align: center;
}

/* Platform */

.section-intro h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(2.6rem, 5vw, 5.1rem);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.split-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.7fr);
  align-items: start;
  gap: clamp(50px, 9vw, 140px);
}

.split-intro h2 {
  max-width: 8.8ch;
}

.intro-copy {
  margin: 48px 0 18px;
  color: var(--text);
  font-size: clamp(1.15rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.intro-detail {
  margin-bottom: 0;
  color: var(--muted);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 74px;
}

.capability-card {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.46);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.capability-card::after {
  position: absolute;
  right: -45px;
  bottom: -45px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(7, 17, 31, 0.06);
  border-radius: 50%;
  content: "";
}

.capability-card:hover {
  transform: translateY(-5px);
  border-color: rgba(161, 111, 0, 0.38);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.card-number {
  position: absolute;
  top: 26px;
  right: 26px;
  color: rgba(7, 17, 31, 0.28);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.capability-icon {
  position: relative;
  width: 78px;
  height: 78px;
  margin-bottom: 54px;
  border: 1px solid rgba(7, 17, 31, 0.16);
  border-radius: 50%;
}

.local-icon i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
}

.local-icon i:nth-child(2),
.local-icon i:nth-child(3) {
  border: 1px solid var(--gold);
  background: transparent;
}

.local-icon i:nth-child(2) {
  width: 31px;
  height: 31px;
}

.local-icon i:nth-child(3) {
  width: 51px;
  height: 51px;
}

.trust-icon::before {
  position: absolute;
  top: 19px;
  left: 25px;
  width: 26px;
  height: 31px;
  border: 2px solid var(--ink);
  border-radius: 14px 14px 18px 18px;
  content: "";
}

.trust-icon i {
  position: absolute;
  top: 31px;
  left: 34px;
  width: 9px;
  height: 14px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(42deg);
}

.evidence-icon {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 5px;
  padding-bottom: 20px;
}

.evidence-icon i {
  width: 8px;
  border-radius: 2px 2px 0 0;
  background: var(--ink);
}

.evidence-icon i:nth-child(1) {
  height: 14px;
}

.evidence-icon i:nth-child(2) {
  height: 24px;
  background: var(--gold);
}

.evidence-icon i:nth-child(3) {
  height: 36px;
}

.capability-card h3 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.42rem;
  letter-spacing: -0.025em;
}

.capability-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

/* Demonstration */

.demo-intro,
.evidence-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.53fr);
  align-items: end;
  gap: 70px;
  margin-bottom: 62px;
}

.demo-intro h2 {
  max-width: 11ch;
  color: var(--white);
}

.demo-intro > p {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 1.06rem;
}

.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(310px, 0.55fr);
  gap: 46px;
  align-items: start;
}

.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: var(--radius-md);
  background: #02060a;
  box-shadow: var(--shadow);
}

.media-frame::before {
  position: absolute;
  z-index: 2;
  inset: 0;
  border: 1px solid rgba(247, 191, 0, 0.2);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.media-frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #02060a;
  object-fit: cover;
}

.media-label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.63);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-summary {
  margin-top: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.65);
}

.demo-summary summary {
  padding: 15px 18px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.88rem;
  font-weight: 750;
  cursor: pointer;
}

.demo-summary p {
  margin: 0;
  padding: 2px 18px 18px;
  font-size: 0.9rem;
}

.message-path {
  margin: 0;
  padding: 0;
  list-style: none;
}

.message-path li {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  min-height: 128px;
  padding: 8px 0 28px;
}

.message-path li:not(:last-child)::after {
  position: absolute;
  top: 42px;
  bottom: -3px;
  left: 21px;
  width: 1px;
  background: linear-gradient(var(--gold), rgba(255, 255, 255, 0.1));
  content: "";
}

.path-number {
  position: relative;
  z-index: 2;
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(247, 191, 0, 0.5);
  border-radius: 50%;
  background: var(--ink);
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 850;
}

.message-path h3 {
  margin: 1px 0 5px;
  color: var(--white);
  font-size: 1.13rem;
}

.message-path p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.91rem;
  line-height: 1.55;
}

/* Evidence */

.evidence-heading {
  align-items: end;
}

.evidence-heading h2 {
  max-width: 9ch;
}

.evidence-heading > p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 1.06rem;
}

.metric-ribbon {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.metric-ribbon article {
  min-height: 170px;
  padding: 26px;
  border-right: 1px solid var(--line);
}

.metric-ribbon article:last-child {
  border-right: 0;
}

.metric-ribbon span,
.metric-ribbon small {
  display: block;
}

.metric-ribbon span {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metric-ribbon strong {
  display: block;
  margin-bottom: 9px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 3.6vw, 3.25rem);
  letter-spacing: -0.055em;
  line-height: 1;
}

.metric-ribbon small {
  color: var(--muted);
  font-size: 0.78rem;
}

.evidence-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.34fr) minmax(330px, 0.66fr);
  gap: 38px;
  align-items: start;
}

.evidence-figure {
  margin: 0;
}

.evidence-figure a {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink);
  box-shadow: var(--shadow-soft);
}

.evidence-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.evidence-figure a:hover img {
  transform: scale(1.015);
}

.expand-label {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  background: rgba(7, 17, 31, 0.9);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 750;
  text-decoration: none;
  backdrop-filter: blur(8px);
}

.evidence-figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.76rem;
}

.evidence-scope {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 32px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--gold);
  border-radius: var(--radius-md);
  background: var(--paper);
}

.evidence-scope .eyebrow {
  margin-bottom: 13px;
}

.evidence-scope h3 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 1.75rem;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.evidence-scope > p {
  color: var(--muted);
  font-size: 0.94rem;
}

.check-list {
  display: grid;
  gap: 9px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 25px;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 650;
}

.check-list li::before {
  position: absolute;
  top: 0.45em;
  left: 2px;
  width: 9px;
  height: 5px;
  border-bottom: 2px solid #137a59;
  border-left: 2px solid #137a59;
  content: "";
  transform: rotate(-45deg);
}

.evidence-scope .boundary-note {
  margin: 25px 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.boundary-note strong {
  color: var(--text);
}

/* Vision */

.section-vision {
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 15%, rgba(247, 191, 0, 0.09), transparent 24%),
    linear-gradient(145deg, #08121f 0%, #0b1a2b 54%, #07111f 100%);
  color: var(--white);
}

.vision-orbit {
  position: absolute;
  border: 1px solid rgba(92, 165, 255, 0.12);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-one {
  top: -240px;
  right: -180px;
  width: 650px;
  height: 650px;
}

.orbit-two {
  top: -120px;
  right: -60px;
  width: 410px;
  height: 410px;
}

.vision-heading {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin-bottom: 68px;
}

.vision-heading h2 {
  max-width: 12ch;
  color: var(--white);
}

.vision-heading h2 em {
  color: var(--gold);
  font-style: normal;
}

.vision-heading > p:last-child {
  max-width: 760px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 1.08rem;
}

.trajectory-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px minmax(0, 1fr);
  align-items: center;
}

.trajectory-card {
  min-height: 440px;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
}

.trajectory-now {
  background: rgba(255, 255, 255, 0.05);
}

.trajectory-next {
  border-color: rgba(247, 191, 0, 0.32);
  background: linear-gradient(145deg, rgba(247, 191, 0, 0.09), rgba(255, 255, 255, 0.035));
}

.trajectory-label {
  min-height: 105px;
  padding-bottom: 25px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.trajectory-label span {
  display: block;
  margin-bottom: 9px;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.trajectory-label strong {
  display: block;
  max-width: 17ch;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.65rem;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.trajectory-card ul {
  display: grid;
  gap: 15px;
  margin: 27px 0 0;
  padding: 0;
  list-style: none;
}

.trajectory-card li {
  position: relative;
  padding-left: 24px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.94rem;
}

.trajectory-card li::before {
  position: absolute;
  top: 0.68em;
  left: 2px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  content: "";
}

.trajectory-connector {
  display: flex;
  align-items: center;
  justify-content: center;
}

.trajectory-connector span {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(247, 191, 0, 0.18), var(--gold), rgba(247, 191, 0, 0.18));
}

.trajectory-connector i {
  position: absolute;
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(247, 191, 0, 0.5);
  border-radius: 50%;
  background: var(--ink-soft);
  color: var(--gold);
  font-style: normal;
}

.partner-block {
  display: grid;
  grid-template-columns: minmax(240px, 0.58fr) minmax(0, 1.42fr);
  gap: 54px;
  margin-top: 90px;
  padding-top: 72px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.partner-copy h3 {
  max-width: 12ch;
  margin-bottom: 0;
  color: var(--white);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.partner-grid article {
  min-height: 260px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
}

.partner-grid article > span {
  display: block;
  margin-bottom: 58px;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.partner-grid h4 {
  margin-bottom: 10px;
  color: var(--white);
  font-size: 1.08rem;
  letter-spacing: -0.015em;
}

.partner-grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.86rem;
}

/* Research */

.section-research {
  background: var(--paper-warm);
}

.research-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  align-items: center;
  gap: clamp(52px, 8vw, 110px);
}

.research-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1173 / 670;
  margin: 0;
}

.research-visual::before {
  position: absolute;
  z-index: 0;
  top: -18px;
  left: -18px;
  width: 42%;
  height: 42%;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  content: "";
}

.research-visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1173 / 670;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.document-tag {
  position: absolute;
  z-index: 2;
  right: 16px;
  bottom: 16px;
  padding: 8px 11px;
  border-radius: 5px;
  background: rgba(7, 17, 31, 0.92);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.research-copy h2 {
  max-width: 10ch;
  margin-bottom: 25px;
  color: var(--ink);
  font-size: clamp(2.5rem, 4.6vw, 4.7rem);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 0.99;
}

.research-copy > p {
  color: var(--muted);
  font-size: 1.02rem;
}

.research-copy .research-note {
  margin: 25px 0 30px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.research-note strong {
  color: var(--text);
}

/* Founder */

.founder-section {
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.985), rgba(11, 25, 41, 0.98)),
    var(--ink);
  color: var(--white);
}

.founder-section::after {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(247, 191, 0, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 100px rgba(247, 191, 0, 0.025), 0 0 0 200px rgba(247, 191, 0, 0.015);
  content: "";
  pointer-events: none;
}

.founder-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: clamp(58px, 9vw, 130px);
}

.founder-portrait {
  margin: 0;
}

.portrait-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.035);
}

.portrait-frame::before {
  position: absolute;
  z-index: 2;
  inset: 9px;
  background: linear-gradient(to top, rgba(7, 17, 31, 0.22), transparent 45%);
  content: "";
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  filter: saturate(0.86) contrast(1.02);
  object-fit: cover;
  object-position: 51% 30%;
}

.portrait-corner {
  position: absolute;
  z-index: 3;
  right: -11px;
  bottom: -11px;
  width: 94px;
  height: 94px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}

.founder-portrait figcaption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: flex-end;
  gap: 20px;
  padding: 21px 1px 0;
}

.founder-portrait figcaption strong,
.founder-portrait figcaption span {
  display: block;
}

.founder-portrait figcaption strong {
  color: var(--white);
  font-size: 1rem;
}

.founder-portrait figcaption span {
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.founder-copy h2 {
  max-width: 11ch;
  margin-bottom: 30px;
  color: var(--white);
  font-size: clamp(2.6rem, 5vw, 5.1rem);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 0.99;
}

.founder-copy > p {
  max-width: 730px;
  color: rgba(255, 255, 255, 0.58);
}

.founder-copy .founder-lede {
  color: rgba(255, 255, 255, 0.83);
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
}

.founder-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
}

.founder-links a {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.035);
  text-decoration: none;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.founder-links a:hover {
  transform: translateY(-2px);
  border-color: rgba(247, 191, 0, 0.45);
  background: rgba(247, 191, 0, 0.06);
}

.founder-links span,
.founder-links strong {
  display: block;
}

.founder-links > a > span {
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.founder-links strong {
  color: var(--white);
  font-size: 0.92rem;
}

.founder-links strong span {
  display: inline;
  color: var(--gold);
}

/* Contact + footer */

.contact-section {
  position: relative;
  overflow: hidden;
  padding: clamp(88px, 10vw, 150px) 0;
  background: var(--gold);
  color: var(--ink);
}

.contact-grid {
  opacity: 0.09;
  background-image:
    linear-gradient(rgba(7, 17, 31, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 17, 31, 0.24) 1px, transparent 1px);
  mask-image: none;
}

.contact-section .eyebrow {
  color: #5e4700;
}

.contact-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.55fr);
  align-items: center;
  gap: clamp(70px, 10vw, 150px);
}

.contact-layout h2 {
  max-width: 12ch;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(2.8rem, 5.8vw, 5.8rem);
  font-weight: 720;
  letter-spacing: -0.065em;
  line-height: 0.96;
}

.contact-layout > div:first-child > p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(7, 17, 31, 0.72);
  font-size: 1.05rem;
}

.contact-actions {
  display: grid;
  gap: 10px;
}

.contact-actions .button-primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: none;
}

.contact-actions .button-primary:hover {
  background: var(--ink-lift);
}

.contact-actions .button-outline {
  border-color: rgba(7, 17, 31, 0.42);
  color: var(--ink);
}

.contact-actions .button-outline:hover {
  border-color: var(--ink);
  background: rgba(7, 17, 31, 0.06);
  color: var(--ink);
}

.contact-actions p {
  margin: 11px 0 0;
  color: rgba(7, 17, 31, 0.65);
  font-size: 0.8rem;
  text-align: center;
}

.contact-actions p a {
  font-weight: 750;
  text-decoration: none;
}

.site-footer {
  padding: 56px 0 28px;
  background: #040b14;
  color: var(--white);
}

.footer-layout {
  display: grid;
  grid-template-columns: 164px minmax(220px, 1fr) auto;
  align-items: center;
  gap: 44px;
  padding-bottom: 42px;
}

.footer-brand {
  display: block;
  width: 145px;
}

.footer-layout > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.34);
  font-size: 0.72rem;
}

/* Custom error page */

.error-page {
  display: grid;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  padding: 40px 24px;
  background:
    radial-gradient(circle at 70% 25%, rgba(92, 165, 255, 0.16), transparent 34%),
    var(--ink);
  color: var(--white);
  text-align: center;
}

.error-shell {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.error-logo {
  width: 190px;
  margin: 0 auto 72px;
}

.error-code {
  display: block;
  margin-bottom: 10px;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: clamp(5rem, 18vw, 11rem);
  font-weight: 750;
  letter-spacing: -0.08em;
  line-height: 0.75;
}

.error-shell h1 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.error-shell p {
  max-width: 560px;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.62);
}

/* Reveal motion */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1), transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

@keyframes signal-pulse {
  0% {
    transform: scale(0.65);
    opacity: 0.9;
  }
  75%,
  100% {
    transform: scale(1.35);
    opacity: 0;
  }
}

@keyframes scan-line {
  0% {
    transform: translateY(-5px);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(360px);
    opacity: 0;
  }
}

/* Responsive */

@media (max-width: 1120px) {
  .nav-panel {
    gap: 17px;
  }

  .nav-panel > a {
    font-size: 0.8rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
    gap: 52px;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 5.8vw, 4.8rem);
  }

  .partner-block {
    grid-template-columns: 1fr;
  }

  .partner-copy h3 {
    max-width: 18ch;
  }
}

@media (max-width: 960px) {
  :root {
    --header-height: 70px;
  }

  .container,
  .nav-shell {
    width: min(var(--max), calc(100% - 36px));
  }

  .brand {
    width: 156px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 0;
  }

  .js .nav-panel {
    position: absolute;
    top: calc(100% + 1px);
    right: 18px;
    left: 18px;
    display: grid;
    grid-template-columns: 1fr;
    width: auto;
    overflow: hidden;
    padding: 10px;
    transform: translateY(-8px) scale(0.985);
    transform-origin: top;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0 0 14px 14px;
    background: rgba(7, 17, 31, 0.98);
    box-shadow: 0 25px 60px rgba(0, 5, 14, 0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .js .nav-panel.is-open {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-panel > a,
  .nav-panel .nav-cta {
    padding: 13px 12px;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
    font-size: 0.92rem;
  }

  .nav-panel > a:last-child {
    border-bottom: 0;
  }

  .nav-panel > a::after {
    display: none;
  }

  .nav-panel .nav-cta {
    margin-top: 4px;
    border: 1px solid rgba(247, 191, 0, 0.42);
    border-radius: 6px;
  }

  .hero {
    padding: calc(var(--header-height) + 68px) 0 88px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 78px;
  }

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

  .hero h1 {
    max-width: 11ch;
    font-size: clamp(3.6rem, 9vw, 6.1rem);
  }

  .hero-visual {
    width: min(780px, 94%);
    margin-inline: auto;
  }

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

  .proof-item:nth-child(2) {
    border-right: 0;
  }

  .proof-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-light);
  }

  .split-intro,
  .demo-intro,
  .evidence-heading,
  .demo-layout,
  .evidence-layout,
  .research-layout,
  .founder-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .split-intro,
  .demo-intro,
  .evidence-heading {
    gap: 22px;
  }

  .split-intro h2,
  .evidence-heading h2 {
    max-width: 13ch;
  }

  .intro-copy {
    margin-top: 10px;
  }

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

  .capability-card:last-child {
    grid-column: 1 / -1;
    min-height: 270px;
  }

  .demo-layout {
    gap: 54px;
  }

  .message-path {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .message-path li {
    min-height: 0;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
  }

  .message-path li::after {
    display: none;
  }

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

  .metric-ribbon article:nth-child(2) {
    border-right: 0;
  }

  .metric-ribbon article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .evidence-scope {
    position: static;
  }

  .trajectory-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .trajectory-connector {
    height: 72px;
    transform: rotate(90deg);
  }

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

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

  .research-visual {
    width: min(760px, 100%);
  }

  .research-copy {
    max-width: 730px;
  }

  .founder-layout {
    gap: 70px;
  }

  .founder-portrait {
    width: min(480px, 75%);
  }

  .founder-copy {
    max-width: 800px;
  }

  .contact-actions {
    max-width: 520px;
  }
}

@media (max-width: 700px) {
  .container,
  .nav-shell {
    width: min(var(--max), calc(100% - 28px));
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    padding-top: calc(var(--header-height) + 54px);
  }

  .hero h1 {
    max-width: 10.8ch;
    font-size: clamp(3rem, 14.5vw, 4.6rem);
  }

  .hero-lede {
    font-size: 1rem;
  }

  .button-row,
  .button-row .button {
    width: 100%;
  }

  .button-row .button {
    justify-content: space-between;
  }

  .scope-inline {
    align-items: flex-start;
  }

  .hero-visual {
    width: calc(100% - 12px);
  }

  .visual-frame {
    padding: 8px;
  }

  .visual-topline {
    padding: 2px 0 8px;
    font-size: 0.6rem;
  }

  .visual-scan {
    top: 38px;
    right: 8px;
    bottom: 8px;
    left: 8px;
  }

  .visual-node {
    display: none;
  }

  .floating-stat {
    min-width: 124px;
    padding: 10px 12px;
  }

  .floating-stat-left {
    bottom: -32px;
    left: -9px;
  }

  .floating-stat-right {
    right: -9px;
    bottom: 22px;
  }

  .floating-stat strong {
    font-size: 1.15rem;
  }

  .floating-stat span {
    font-size: 0.55rem;
  }

  .hero-visual figcaption {
    margin-top: 44px;
    text-align: left;
  }

  .proof-grid,
  .capability-grid,
  .message-path,
  .metric-ribbon,
  .partner-grid,
  .founder-links {
    grid-template-columns: 1fr;
  }

  .proof-item,
  .proof-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .proof-item:last-child {
    border-bottom: 0;
  }

  .proof-item {
    min-height: 132px;
    padding: 28px 24px;
  }

  .proof-item > span:last-child {
    max-width: none;
  }

  .section-intro h2,
  .research-copy h2,
  .founder-copy h2 {
    font-size: clamp(2.4rem, 12vw, 3.65rem);
  }

  .capability-grid {
    margin-top: 50px;
  }

  .capability-card,
  .capability-card:last-child {
    grid-column: auto;
    min-height: 285px;
  }

  .demo-intro,
  .evidence-heading {
    margin-bottom: 42px;
  }

  .message-path li {
    grid-template-columns: 40px 1fr;
  }

  .path-number {
    width: 40px;
    height: 40px;
  }

  .metric-ribbon article,
  .metric-ribbon article:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-ribbon article:last-child {
    border-bottom: 0;
  }

  .metric-ribbon article {
    min-height: 146px;
  }

  .evidence-scope,
  .trajectory-card {
    padding: 26px;
  }

  .trajectory-label strong {
    font-size: 1.4rem;
  }

  .partner-block {
    margin-top: 70px;
    padding-top: 54px;
  }

  .partner-grid article {
    min-height: 210px;
  }

  .partner-grid article > span {
    margin-bottom: 38px;
  }

  .research-layout {
    gap: 52px;
  }

  .research-visual::before {
    top: -10px;
    left: -10px;
  }

  .founder-portrait {
    width: min(440px, 92%);
  }

  .founder-portrait figcaption {
    grid-template-columns: 1fr;
    align-items: flex-start;
    gap: 4px;
  }

  .founder-links {
    gap: 10px;
  }

  .contact-layout h2 {
    font-size: clamp(2.8rem, 14vw, 4.5rem);
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .brand {
    width: 142px;
  }

  .hero h1 {
    font-size: 2.78rem;
  }

  .signal-label {
    max-width: 28ch;
    align-items: flex-start;
  }

  .floating-stat-right {
    display: none;
  }

  .hero-visual figcaption {
    margin-top: 45px;
  }

  .document-tag {
    right: 9px;
    bottom: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}