:root,
[data-theme='light'] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --color-bg: #f6f3eb;
  --color-surface: #fbfaf6;
  --color-surface-2: #efebe0;
  --color-surface-offset: #e7e0d2;
  --color-border: #d8cfbf;
  --color-divider: #e1d9c9;
  --color-text: #202019;
  --color-text-muted: #6b675e;
  --color-text-faint: #9a9488;
  --color-text-inverse: #f8f5ec;
  --color-primary: #0f656b;
  --color-primary-hover: #0d4f54;
  --color-primary-active: #0a373b;
  --color-primary-highlight: #d7e7e4;
  --color-warning: #8a4d20;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px oklch(0.2 0.03 85 / 0.06);
  --shadow-md: 0 10px 30px oklch(0.2 0.03 85 / 0.1);
  --shadow-lg: 0 22px 60px oklch(0.2 0.03 85 / 0.14);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1240px;
  --font-display: 'Cabinet Grotesk', 'Arial', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #121412;
  --color-surface: #1a1c19;
  --color-surface-2: #22251f;
  --color-surface-offset: #2a2d27;
  --color-border: #3d4038;
  --color-divider: #2d302a;
  --color-text: #ece7dc;
  --color-text-muted: #aaa398;
  --color-text-faint: #787166;
  --color-text-inverse: #161711;
  --color-primary: #72b6bb;
  --color-primary-hover: #8ccbd0;
  --color-primary-active: #a6dce0;
  --color-primary-highlight: #223b3b;
  --color-warning: #d69a62;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 10px 30px oklch(0 0 0 / 0.34);
  --shadow-lg: 0 22px 60px oklch(0 0 0 / 0.45);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(circle at 16% 12%, oklch(from var(--color-primary) l c h / 0.14), transparent 28rem),
    radial-gradient(circle at 86% 26%, oklch(from var(--color-warning) l c h / 0.1), transparent 24rem),
    linear-gradient(90deg, oklch(from var(--color-text) l c h / 0.035) 1px, transparent 1px),
    linear-gradient(180deg, oklch(from var(--color-text) l c h / 0.025) 1px, transparent 1px),
    var(--color-bg);
  background-size: auto, auto, 72px 72px, 72px 72px, auto;
}

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

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

button {
  cursor: pointer;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

p,
li {
  max-width: 72ch;
  text-wrap: pretty;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: oklch(from var(--color-primary) l c h / 0.25);
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  transform: translateY(-150%);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

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

.container {
  width: min(100% - var(--space-8), var(--content-wide));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.1);
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 38px;
  color: var(--color-primary);
}

.brand-mark path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.button:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.button-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: oklch(from var(--color-text) l c h / 0.2);
  box-shadow: none;
}

.button-secondary:hover {
  color: var(--color-text-inverse);
}

.button-small {
  min-height: 44px;
  padding-inline: var(--space-4);
}

.hero {
  position: relative;
  min-height: auto;
  display: grid;
  align-items: center;
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
  overflow: clip;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 10% auto auto 50%;
  width: min(54vw, 760px);
  height: min(54vw, 760px);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.12);
  border-radius: var(--radius-full);
  background:
    repeating-conic-gradient(
      from 12deg,
      oklch(from var(--color-primary) l c h / 0.12) 0deg 10deg,
      transparent 10deg 28deg
    );
  transform: translateX(-4%);
  opacity: 0.34;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.68fr);
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: center;
}

.eyebrow {
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(3rem, 6.4vw, 5.25rem);
}

.hero-lede {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.12);
}

.signal-strip dt {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-strip dd {
  margin-top: var(--space-1);
  font-weight: 800;
}

.hero-panel {
  position: relative;
  z-index: 1;
  padding: var(--space-5);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, oklch(from var(--color-surface) l c h / 0.96), oklch(from var(--color-surface-2) l c h / 0.86)),
    var(--color-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero-panel::before {
  content: '';
  position: absolute;
  inset: var(--space-3);
  z-index: -1;
  border-radius: var(--radius-xl);
  background: var(--color-primary-highlight);
  transform: rotate(-2deg);
}

.system-orbit {
  margin: calc(var(--space-2) * -1) calc(var(--space-2) * -1) var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 50%, oklch(from var(--color-primary) l c h / 0.16), transparent 42%),
    radial-gradient(circle at 22% 32%, oklch(from var(--color-warning) l c h / 0.1), transparent 28%),
    linear-gradient(135deg, oklch(from var(--color-surface-2) l c h / 0.7), transparent);
}

.system-orbit svg {
  width: 100%;
}

.orbit,
.signal-path {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 2;
  opacity: 0.42;
}

.orbit-two {
  opacity: 0.28;
}

.signal-path {
  stroke-dasharray: 5 7;
  opacity: 0.36;
}

.pulse-node {
  fill: var(--color-primary);
  opacity: 0.9;
}

.small-node {
  fill: var(--color-surface);
  stroke: var(--color-primary);
  stroke-width: 3;
}

.panel-topline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.mini-system {
  display: grid;
  gap: var(--space-2);
  margin-block: var(--space-5);
}

.node,
.rail {
  padding: var(--space-2) var(--space-3);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  font-size: var(--text-sm);
  font-weight: 800;
  text-align: center;
}

.node-core {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.node-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.rail {
  display: grid;
  gap: var(--space-2);
  color: var(--color-text-muted);
  text-align: left;
}

.hero-panel p {
  color: var(--color-text-muted);
}

.telemetry-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.telemetry-stack div {
  padding: var(--space-3);
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, oklch(from var(--color-surface) l c h / 0.88), oklch(from var(--color-bg) l c h / 0.74));
}

.telemetry-stack span,
.telemetry-stack strong {
  display: block;
}

.telemetry-stack span {
  color: var(--color-text-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.telemetry-stack strong {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  line-height: 1.2;
}

.two-column,
.split-panel,
.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1fr);
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}

h2 {
  max-width: 14ch;
  font-size: var(--text-2xl);
}

.prose {
  display: grid;
  gap: var(--space-5);
  color: var(--color-text-muted);
}

.transformation-section {
  position: relative;
  padding-top: 0;
}

.transformation-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}

.before-after {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-4);
}

.messy-board,
.stack-board {
  position: relative;
  min-height: 360px;
  padding: var(--space-6);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: calc(var(--radius-xl) + var(--space-1));
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.messy-board {
  background:
    linear-gradient(135deg, oklch(from var(--color-surface-2) l c h / 0.82), oklch(from var(--color-surface) l c h / 0.92));
}

.stack-board {
  background:
    radial-gradient(circle at 78% 18%, oklch(from var(--color-primary) l c h / 0.18), transparent 32%),
    var(--color-text);
  color: var(--color-text-inverse);
}

.board-label {
  display: inline-flex;
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  border: 1px solid currentColor;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0.7;
  text-transform: uppercase;
}

.messy-board h3,
.stack-board h3 {
  font-size: var(--text-xl);
}

.sticky-cloud {
  position: relative;
  min-height: 210px;
  margin-top: var(--space-6);
}

.sticky-cloud span {
  position: absolute;
  display: inline-flex;
  padding: var(--space-3) var(--space-4);
  border: 1px solid oklch(from var(--color-text) l c h / 0.1);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.sticky-cloud span:nth-child(1) {
  left: 2%;
  top: 8%;
  transform: rotate(-6deg);
}

.sticky-cloud span:nth-child(2) {
  right: 4%;
  top: 18%;
  transform: rotate(5deg);
}

.sticky-cloud span:nth-child(3) {
  left: 20%;
  top: 46%;
  transform: rotate(2deg);
}

.sticky-cloud span:nth-child(4) {
  right: 12%;
  bottom: 8%;
  transform: rotate(-4deg);
}

.sticky-cloud span:nth-child(5) {
  left: 0;
  bottom: 16%;
  transform: rotate(7deg);
}

.stack-layers {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.stack-layers span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid oklch(from var(--color-text-inverse) l c h / 0.18);
  border-radius: var(--radius-lg);
  background: oklch(from var(--color-text-inverse) l c h / 0.08);
  font-weight: 800;
}

.stack-layers span::after {
  content: '';
  width: 42px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  opacity: 0.86;
}

.section-heading {
  max-width: 760px;
  margin-bottom: var(--space-10);
}

.section-heading h2 {
  max-width: 17ch;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.architecture-card,
.offer-card,
.founder-card,
.lead-form {
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.architecture-card {
  min-height: 260px;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-schematic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.card-schematic span {
  min-height: 72px;
  border: 1px solid oklch(from var(--color-text-inverse) l c h / 0.24);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, oklch(from var(--color-text-inverse) l c h / 0.16), transparent),
    oklch(from var(--color-primary-hover) l c h / 0.42);
}

.card-schematic span:first-child {
  grid-column: 1 / -1;
}

.card-large {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 536px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.card-wide {
  grid-column: span 2;
}

.card-index {
  color: currentColor;
  opacity: 0.55;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
}

.architecture-card h3,
.offer-card h3 {
  margin-top: auto;
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
}

.architecture-card p,
.offer-card p {
  margin-top: var(--space-3);
  color: inherit;
  opacity: 0.78;
}

.who-section {
  background: oklch(from var(--color-surface-2) l c h / 0.72);
}

.operating-loop-section {
  position: relative;
  overflow: clip;
}

.operating-loop-section::before {
  content: '';
  position: absolute;
  inset: var(--space-12) 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0.35;
}

.loop-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(0, 1fr);
  gap: clamp(var(--space-8), 7vw, var(--space-20));
  align-items: center;
}

.loop-copy p:last-child {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

.loop-graphic {
  position: relative;
  min-height: 380px;
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: calc(var(--radius-xl) + var(--space-2));
  background:
    radial-gradient(circle at 22% 18%, oklch(from var(--color-primary) l c h / 0.18), transparent 24%),
    radial-gradient(circle at 78% 72%, oklch(from var(--color-warning) l c h / 0.16), transparent 26%),
    var(--color-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.loop-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--color-primary);
}

.loop-lines path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-dasharray: 8 10;
  opacity: 0.36;
}

.loop-step {
  position: absolute;
  z-index: 1;
  width: min(210px, 44%);
  padding: var(--space-4);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-xl);
  background: oklch(from var(--color-surface) l c h / 0.9);
  box-shadow: var(--shadow-sm);
}

.loop-step span {
  display: inline-flex;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.loop-step strong,
.loop-step small {
  display: block;
}

.loop-step strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
}

.loop-step small {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

.step-one {
  left: var(--space-8);
  top: var(--space-8);
}

.step-two {
  right: var(--space-8);
  top: var(--space-10);
}

.step-three {
  right: var(--space-12);
  bottom: var(--space-8);
}

.step-four {
  left: var(--space-10);
  bottom: var(--space-10);
}

.audience-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  list-style: none;
}

.audience-list li {
  padding: var(--space-4);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  font-weight: 800;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.offer-grid .section-heading {
  grid-column: 1 / -1;
}

.offer-card {
  padding: var(--space-6);
}

.offer-card a {
  display: inline-flex;
  margin-top: var(--space-6);
  color: var(--color-primary);
  font-weight: 800;
}

.primary-offer {
  background: var(--color-text);
  color: var(--color-text-inverse);
}

.primary-offer a {
  color: var(--color-primary);
}

.form-section {
  background: oklch(from var(--color-surface-2) l c h / 0.45);
}

.form-section.alternate {
  background: transparent;
}

.form-copy {
  position: sticky;
  top: calc(76px + var(--space-8));
}

.form-copy p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
}

.legal-note {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 700;
}

.lead-form {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-6);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

label,
fieldset {
  display: grid;
  gap: var(--space-2);
}

label span,
legend {
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 800;
}

label em {
  color: var(--color-text-muted);
  font-style: normal;
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid oklch(from var(--color-text) l c h / 0.14);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}

textarea {
  resize: vertical;
}

fieldset {
  border: 0;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.choice-grid label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.choice-grid input {
  width: auto;
  min-height: auto;
  margin-top: 0.33rem;
}

.form-note,
.form-output {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.form-output[data-state='success'] {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-text);
  font-weight: 800;
}

.form-output[data-state='pending'],
.form-output[data-state='error'] {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 800;
}

.form-output[data-state='pending'] {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.form-output[data-state='error'] {
  background: oklch(from var(--color-warning) l c h / 0.16);
  color: var(--color-text);
}

.founder-card {
  padding: clamp(var(--space-8), 6vw, var(--space-16));
}

.founder-card h2 {
  max-width: 22ch;
}

.founder-card p:last-child {
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

.site-footer {
  padding-block: var(--space-12);
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.1);
  background: var(--color-text);
  color: var(--color-text-inverse);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-8);
  align-items: end;
}

.footer-grid p {
  margin-top: var(--space-4);
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
}

@media (max-width: 980px) {
  .primary-nav {
    display: none;
  }

  .hero-grid,
  .loop-grid,
  .transformation-grid,
  .two-column,
  .split-panel,
  .form-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-copy {
    position: static;
  }

  .loop-graphic {
    min-height: 520px;
  }

  .architecture-grid,
  .before-after,
  .offer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-large,
  .card-wide {
    grid-column: span 2;
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - var(--space-5), var(--content-wide));
  }

  .header-inner {
    min-height: 68px;
  }

  .brand span {
    display: none;
  }

  .button-small {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-10);
  }

  .hero h1 {
    max-width: 10ch;
    font-size: clamp(3rem, 18vw, 5rem);
  }

  .signal-strip,
  .architecture-grid,
  .before-after,
  .offer-grid,
  .audience-list,
  .form-grid,
  .choice-grid,
  .node-row {
    grid-template-columns: 1fr;
  }

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

  .messy-board,
  .stack-board {
    min-height: auto;
  }

  .sticky-cloud {
    display: grid;
    gap: var(--space-3);
    min-height: auto;
  }

  .sticky-cloud span {
    position: static;
    transform: none !important;
  }

  .card-large,
  .card-wide {
    grid-column: span 1;
  }

  .architecture-card {
    min-height: auto;
    gap: var(--space-8);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button,
  .lead-form .button {
    width: 100%;
  }

  .loop-graphic {
    min-height: auto;
    display: grid;
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .loop-lines {
    display: none;
  }

  .loop-step {
    position: static;
    width: 100%;
  }
}

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

.essay-section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

.essay-container {
  width: min(100% - var(--space-8), 760px);
  margin-inline: auto;
}

.essay-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-block: var(--space-3) var(--space-5);
}

.essay-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.essay-prose {
  display: grid;
  gap: var(--space-4);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
}

.essay-prose h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  letter-spacing: -0.01em;
  margin-block: var(--space-8) var(--space-2);
}

.essay-prose ul,
.essay-prose ol {
  display: grid;
  gap: var(--space-2);
  padding-left: var(--space-6);
  color: var(--color-text-muted);
}

.essay-prose li {
  list-style: disc;
}

.essay-prose ol li {
  list-style: decimal;
}

.essay-diagram {
  padding: var(--space-5);
  border: 1px solid oklch(from var(--color-text) l c h / 0.14);
  border-radius: var(--radius-md, 12px);
  background: var(--color-surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre;
}

.essay-cta {
  display: grid;
  gap: var(--space-3);
  justify-items: start;
  padding: var(--space-6);
  margin-block: var(--space-6);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.3);
  border-radius: var(--radius-md, 12px);
  background: oklch(from var(--color-primary) l c h / 0.06);
}

.essay-footer-cta {
  margin-top: var(--space-12);
  padding: var(--space-8);
  border-radius: var(--radius-md, 16px);
  border: 1px solid oklch(from var(--color-text) l c h / 0.12);
  background: var(--color-surface);
  display: grid;
  gap: var(--space-3);
}

.essay-footer-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: -0.01em;
}

.essay-footer-cta .hero-actions {
  margin-top: var(--space-3);
}