:root {
  --paper: #f2f0e9;
  --paper-strong: #e7e4da;
  --paper-soft: #faf9f5;
  --ink: #171a16;
  --ink-soft: #4f554e;
  --dark: #111611;
  --dark-soft: #1b211b;
  --line: rgba(23, 26, 22, 0.16);
  --line-dark: rgba(255, 255, 255, 0.16);
  --blue: #3157ff;
  --acid: #d8ff57;
  --coral: #ff704d;
  --white: #ffffff;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --shell: min(1180px, calc(100vw - 48px));
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shadow: 0 28px 80px rgba(28, 31, 25, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
a,
input,
textarea,
select {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

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

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

h1,
h2,
h3 {
  letter-spacing: -0.045em;
  line-height: 0.98;
}

h2 {
  max-width: 980px;
  margin-bottom: 24px;
  font-size: clamp(2.5rem, 5.2vw, 5.3rem);
  font-weight: 650;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
  line-height: 1.1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section-space {
  padding-block: clamp(92px, 12vw, 160px);
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 3px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  width: 100%;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  padding: 14px max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid transparent;
  background: rgba(242, 240, 233, 0.88);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(23, 26, 22, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--acid);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.01em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.88rem;
  font-weight: 600;
}

.main-nav > a:not(.nav-cta) {
  position: relative;
}

.main-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 160ms ease;
}

.main-nav > a:not(.nav-cta):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 11px 17px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  transition: background 160ms ease, transform 160ms ease;
}

.nav-cta:hover {
  background: var(--blue);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
}

.menu-toggle > span:not(.sr-only) {
  position: absolute;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 160ms ease;
}

.menu-toggle > span:first-child {
  transform: translateY(-4px);
}

.menu-toggle > span:nth-child(2) {
  transform: translateY(4px);
}

.menu-toggle[aria-expanded="true"] > span:first-child {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] > span:nth-child(2) {
  transform: rotate(-45deg);
}

.hero {
  display: grid;
  min-height: calc(100vh - 78px);
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  align-items: center;
  gap: clamp(52px, 8vw, 110px);
  padding-block: clamp(72px, 9vw, 124px);
}

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

.eyebrow,
.section-index {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 32px;
  height: 8px;
  border-radius: 999px;
  background: var(--blue);
}

.hero h1 {
  max-width: 760px;
  margin-bottom: 30px;
  font-size: clamp(3.4rem, 6.7vw, 7.1rem);
  font-weight: 640;
}

.hero h1 em {
  display: block;
  margin-top: 0.08em;
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.94em;
  font-weight: 400;
  letter-spacing: -0.06em;
}

.hero-lead {
  max-width: 690px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.6vw, 1.32rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.button {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 14px 22px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 750;
  transition: transform 170ms ease, background 170ms ease, color 170ms ease;
}

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

.button-primary {
  background: var(--blue);
  color: var(--white);
}

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

.button-primary span,
.submit-button b {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.text-link {
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.text-link span {
  margin-left: 6px;
}

.hero-note {
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.hero-visual {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(23, 26, 22, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 26, 22, 0.045) 1px, transparent 1px),
    var(--paper-soft);
  background-size: 28px 28px;
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}

.hero-visual::before {
  position: absolute;
  top: -32px;
  right: -28px;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: var(--acid);
  content: "";
  filter: blur(0.2px);
  z-index: -1;
}

.visual-head,
.visual-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.visual-head {
  padding: 4px 6px 18px;
  border-bottom: 1px solid var(--line);
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.live-dot::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22a95b;
  box-shadow: 0 0 0 4px rgba(34, 169, 91, 0.14);
  content: "";
}

.process-map {
  padding-block: 22px;
}

.process-node {
  position: relative;
  display: grid;
  min-height: 86px;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 8px 24px rgba(23, 26, 22, 0.05);
}

.node-number {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--paper-strong);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
}

.process-node small {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.process-node strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.3;
}

.node-ai {
  border-color: rgba(49, 87, 255, 0.45);
  background: #e9edff;
}

.node-ai .node-number {
  background: var(--blue);
  color: var(--white);
}

.node-human {
  border-color: rgba(255, 112, 77, 0.45);
  background: #fff0eb;
}

.node-human .node-number {
  background: var(--coral);
  color: var(--ink);
}

.node-output {
  background: #f4ffd2;
}

.node-output .node-number {
  background: var(--acid);
}

.process-line {
  position: relative;
  height: 34px;
  margin-left: 38px;
  border-left: 1px dashed rgba(23, 26, 22, 0.45);
}

.process-line span {
  position: absolute;
  top: 50%;
  left: 12px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  text-transform: uppercase;
  transform: translateY(-50%);
}

.visual-foot {
  gap: 16px;
  padding: 18px 6px 4px;
  border-top: 1px solid var(--line);
}

.visual-foot div {
  display: grid;
  gap: 3px;
}

.visual-foot span {
  color: var(--ink-soft);
  font-size: 0.56rem;
}

.visual-foot strong {
  font-size: 0.62rem;
}

.principles {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--ink);
  color: var(--white);
}

.marquee-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 28px;
  padding: 17px 24px;
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  animation: marquee 26s linear infinite alternate;
}

.marquee-track i {
  color: var(--acid);
  font-style: normal;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(min(-24vw, -240px)); }
}

.section-heading {
  margin-bottom: clamp(48px, 7vw, 84px);
}

.section-heading > p:not(.section-index) {
  max-width: 660px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.section-heading.horizontal {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.5fr);
  align-items: end;
  gap: 60px;
}

.section-heading.horizontal h2 {
  margin-bottom: 0;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.signal-card {
  min-height: 300px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper-soft);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.signal-card:hover {
  border-color: rgba(49, 87, 255, 0.4);
  box-shadow: 0 20px 50px rgba(23, 26, 22, 0.08);
  transform: translateY(-5px);
}

.signal-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 78px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

.signal-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.honesty-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 20px;
  max-width: 840px;
  margin: 52px auto 0;
  padding: 20px 24px;
  border: 1px solid rgba(49, 87, 255, 0.28);
  border-radius: var(--radius-md);
  background: #e9edff;
}

.callout-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: 800;
}

.honesty-callout p {
  margin: 0;
  font-size: 0.95rem;
}

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

.section-index.light {
  color: var(--acid);
}

.flagship-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.82fr);
  align-items: center;
  gap: clamp(60px, 9vw, 120px);
}

.flagship-copy h2 {
  font-size: clamp(2.8rem, 5vw, 5.4rem);
}

.flagship-copy > p:not(.section-index) {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 1.07rem;
}

.check-list {
  display: grid;
  gap: 13px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.93rem;
}

.check-list li::before {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border-radius: 50%;
  background: var(--acid);
  color: var(--dark);
  content: "✓";
  font-size: 0.68rem;
  font-weight: 900;
}

.workflow {
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: var(--dark-soft);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.26);
}

.workflow-row {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 88px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line-dark);
}

.workflow-row:last-child {
  border-bottom: 0;
}

.workflow-row > span,
.workflow-row > small {
  font-family: var(--font-mono);
  font-size: 0.63rem;
}

.workflow-row > span {
  color: rgba(255, 255, 255, 0.46);
}

.workflow-row > small {
  padding: 5px 8px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.62);
  text-transform: uppercase;
}

.workflow-row strong {
  font-size: 0.94rem;
}

.workflow-row.active {
  background: var(--blue);
}

.workflow-row.active > span,
.workflow-row.active > small {
  color: var(--white);
}

.workflow-row.human-row > small {
  border-color: var(--coral);
  color: var(--coral);
}

.workflow-row.done {
  background: var(--acid);
  color: var(--dark);
}

.workflow-row.done > span,
.workflow-row.done > small {
  border-color: rgba(17, 22, 17, 0.2);
  color: var(--dark);
}

.format-list {
  border-top: 1px solid var(--line);
}

.format-item {
  display: grid;
  grid-template-columns: 60px minmax(220px, 0.7fr) minmax(280px, 1fr) minmax(210px, 0.6fr);
  align-items: center;
  gap: 28px;
  padding-block: 34px;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease, background 180ms ease;
}

.format-item:hover {
  padding-inline: 18px;
  background: var(--paper-soft);
}

.format-number {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.format-title small {
  display: block;
  margin-bottom: 8px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
}

.format-title h3 {
  margin: 0;
}

.format-item > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.format-result {
  padding: 11px 13px;
  border-radius: 10px;
  background: var(--paper-strong);
  font-size: 0.76rem;
  line-height: 1.35;
}

.support-strip {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  align-items: end;
  gap: 60px;
  margin-top: 80px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--blue);
  color: var(--white);
}

.support-strip span {
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  text-transform: uppercase;
}

.support-strip h3 {
  max-width: 430px;
  margin: 12px 0 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.support-strip p {
  max-width: 600px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

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

.method-steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.method-steps li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 26px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.method-steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.method-steps li > span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 800;
}

.method-steps li > div {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(280px, 1fr);
  align-items: start;
  gap: 40px;
}

.method-steps h3 {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.4rem);
}

.method-steps p {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
}

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.artifact-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper-soft);
}

.artifact-type {
  display: block;
  margin: 2px 4px 16px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  letter-spacing: 0.05em;
}

.artifact-preview {
  display: grid;
  height: 250px;
  margin-bottom: 24px;
  place-items: center;
  overflow: hidden;
  border-radius: 14px;
  background: var(--paper-strong);
}

.video-preview {
  background:
    linear-gradient(135deg, rgba(49, 87, 255, 0.2), transparent 62%),
    linear-gradient(45deg, #202a40, #10151f);
}

.video-preview span {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.roadmap-preview {
  grid-template-columns: repeat(4, 1fr);
  align-items: end;
  gap: 8px;
  padding: 30px;
  background: #e9edff;
}

.roadmap-preview i {
  display: block;
  width: 100%;
  border-radius: 8px 8px 3px 3px;
  background: var(--blue);
}

.roadmap-preview i:nth-child(1) { height: 34%; opacity: 0.35; }
.roadmap-preview i:nth-child(2) { height: 52%; opacity: 0.55; }
.roadmap-preview i:nth-child(3) { height: 76%; opacity: 0.75; }
.roadmap-preview i:nth-child(4) { height: 100%; }

.test-preview {
  grid-template-columns: repeat(2, 60px);
  gap: 12px;
  background: #efffc0;
}

.test-preview span {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border-radius: 15px;
  background: var(--white);
  font-family: var(--font-mono);
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(23, 26, 22, 0.08);
}

.test-preview span:nth-child(3) {
  background: var(--coral);
}

.artifact-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.91rem;
}

.safety-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  gap: 100px;
}

.safety .section-heading {
  margin: 0;
}

.safety .section-heading p:not(.section-index) {
  color: rgba(255, 255, 255, 0.62);
}

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

.safety-grid article {
  min-height: 250px;
  padding: 22px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
  background: var(--dark-soft);
}

.safety-grid article > span {
  display: block;
  margin-bottom: 66px;
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.safety-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.88rem;
}

.founder-card {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-soft);
}

.founder-portrait {
  position: relative;
  display: grid;
  min-height: 590px;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, rgba(216, 255, 87, 0.9), transparent 25%),
    linear-gradient(145deg, var(--blue), #18266e 72%);
}

.founder-portrait::before,
.founder-portrait::after {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.founder-portrait img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
}

.founder-portrait::before {
  width: 360px;
  height: 360px;
}

.founder-portrait::after {
  width: 470px;
  height: 470px;
}

.founder-portrait > span {
  position: relative;
  z-index: 1;
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16rem;
  font-weight: 400;
  line-height: 1;
}

.founder-portrait small {
  position: absolute;
  right: 24px;
  bottom: 22px;
  z-index: 2;
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
}

.founder-copy {
  padding: clamp(42px, 7vw, 82px);
}

.founder-copy h2 {
  font-size: clamp(2.5rem, 4.3vw, 4.7rem);
}

.founder-copy > p:not(.section-index) {
  max-width: 680px;
  color: var(--ink-soft);
  font-size: 1rem;
}

.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.founder-tags span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.61rem;
  text-transform: uppercase;
}

.faq-list {
  max-width: 920px;
  margin-left: auto;
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item h3 {
  margin: 0;
}

.faq-item button {
  display: grid;
  width: 100%;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 26px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.faq-item button span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 1rem;
  transition: transform 180ms ease, background 180ms ease;
}

.faq-item button[aria-expanded="true"] span {
  background: var(--acid);
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms ease;
}

.faq-answer > p {
  max-width: 730px;
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.open .faq-answer > p {
  padding-bottom: 28px;
}

.contact {
  background: var(--blue);
  color: var(--white);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(460px, 1.18fr);
  align-items: start;
  gap: clamp(64px, 9vw, 120px);
}

.contact-copy {
  position: sticky;
  top: 118px;
}

.contact-copy h2 {
  font-size: clamp(3rem, 5.2vw, 5.5rem);
}

.contact-copy > p:not(.section-index) {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.7);
}

.contact-promise {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
  max-width: 470px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.contact-promise span {
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--acid);
  color: var(--dark);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
}

.contact-promise p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
}

.lead-form {
  padding: clamp(28px, 4vw, 46px);
  border-radius: var(--radius-lg);
  background: var(--paper-soft);
  color: var(--ink);
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.18);
}

.form-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 34px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.form-head span {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  text-transform: uppercase;
}

.form-head strong {
  font-size: 1.1rem;
}

.field-grid {
  display: grid;
  gap: 16px;
}

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

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.field > span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
}

.field > span em {
  margin-left: 5px;
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 500;
  text-transform: none;
}

.field > small:not(.field-error) {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(23, 26, 22, 0.32);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, background 160ms ease;
}

.field input,
.field select {
  height: 51px;
}

.field textarea {
  min-height: 120px;
  padding-block: 13px;
  resize: vertical;
}

.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position:
    calc(100% - 15px) 50%,
    calc(100% - 10px) 50%;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(23, 26, 22, 0.38);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--blue);
}

.field.has-error input,
.field.has-error textarea,
.field.has-error select {
  border-color: #d94235;
}

.field-error {
  min-height: 1em;
  color: #b92d23;
  font-size: 0.72rem;
}

.consent {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 10px;
  margin: 8px 0 24px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 0.76rem;
}

.consent input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--blue);
}

.consent.has-error {
  color: #b92d23;
}

.consent .field-error {
  grid-column: 2;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.button-light {
  width: 100%;
  background: var(--ink);
  color: var(--white);
}

.button-light:hover {
  background: var(--blue);
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.form-caption {
  margin: 15px 0 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  text-align: center;
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: 10px;
  font-size: 0.82rem;
}

.form-status.visible {
  display: block;
}

.form-status.success {
  background: #e6f6dc;
  color: #225f25;
}

.form-status.error {
  background: #ffe4de;
  color: #8e251d;
}

.form-status.demo {
  background: #e9edff;
  color: #243ca3;
}

.site-footer {
  display: grid;
  width: var(--shell);
  min-height: 180px;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 44px;
  margin-inline: auto;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.footer-brand .brand-mark {
  background: var(--blue);
}

.site-footer p {
  margin: 0;
}

.site-footer > a:last-child {
  color: var(--ink);
  font-weight: 700;
}

.noscript-note {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 200;
  padding: 12px;
  border-radius: 10px;
  background: var(--coral);
  color: var(--ink);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

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

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr 430px;
    gap: 48px;
  }

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

  .signal-card {
    min-height: 260px;
  }

  .signal-icon {
    margin-bottom: 52px;
  }

  .format-item {
    grid-template-columns: 50px minmax(200px, 0.8fr) minmax(280px, 1.2fr);
  }

  .format-result {
    grid-column: 2 / -1;
    width: fit-content;
  }

  .safety-layout {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .contact-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(430px, 1.2fr);
    gap: 48px;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(100% - 34px, 760px);
  }

  .site-header {
    padding-inline: 17px;
  }

  .menu-toggle {
    position: relative;
    display: inline-flex;
    z-index: 2;
  }

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

  .main-nav {
    position: fixed;
    inset: 0;
    display: grid;
    min-height: 100dvh;
    max-height: 100dvh;
    align-content: center;
    justify-items: start;
    gap: 28px;
    overflow-y: auto;
    padding: 90px 28px 40px;
    background: var(--paper);
    font-size: 1.7rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease;
    z-index: 1;
  }

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

  .nav-cta {
    padding: 14px 20px;
    color: var(--white);
    font-size: 1.15rem;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-block: 72px 100px;
  }

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

  .hero-visual {
    width: min(560px, 94%);
    margin-inline: auto;
  }

  .section-heading.horizontal {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .flagship-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .workflow {
    width: min(620px, 100%);
  }

  .artifact-grid {
    grid-template-columns: 1fr;
  }

  .artifact-card {
    display: grid;
    grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
    grid-template-rows: auto auto 1fr;
    gap: 0 24px;
  }

  .artifact-type {
    grid-column: 1;
  }

  .artifact-preview {
    grid-row: 2 / span 2;
    grid-column: 1;
    height: 220px;
    margin: 0;
  }

  .artifact-card h3,
  .artifact-card p {
    grid-column: 2;
  }

  .artifact-card h3 {
    grid-row: 2;
  }

  .artifact-card p {
    grid-row: 3;
  }

  .founder-card {
    grid-template-columns: 1fr;
  }

  .founder-portrait {
    min-height: 400px;
  }

  .founder-portrait > span {
    font-size: 11rem;
  }

  .contact-copy {
    position: static;
  }
}

@media (max-width: 680px) {
  :root {
    --shell: calc(100% - 28px);
    --radius-lg: 22px;
    --radius-md: 16px;
  }

  body {
    font-size: 15px;
  }

  .section-space {
    padding-block: 86px;
  }

  .brand-copy small {
    display: none;
  }

  .hero {
    padding-top: 52px;
    gap: 58px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }

  .hero h1 em {
    overflow-wrap: break-word;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .button-primary {
    width: 100%;
  }

  .hero-visual {
    width: 100%;
    padding: 14px;
    transform: none;
  }

  .hero-visual::before {
    top: -18px;
    right: -14px;
    width: 80px;
    height: 80px;
  }

  .visual-foot {
    align-items: flex-start;
    flex-direction: column;
  }

  .signal-grid,
  .safety-grid {
    grid-template-columns: 1fr;
  }

  .signal-card {
    min-height: 230px;
  }

  .signal-icon {
    margin-bottom: 44px;
  }

  .honesty-callout {
    align-items: start;
  }

  .flagship-copy h2,
  .contact-copy h2 {
    font-size: clamp(2.7rem, 12vw, 4.1rem);
  }

  .workflow-row {
    grid-template-columns: 50px 1fr;
  }

  .workflow-row > small {
    display: none;
  }

  .format-item {
    grid-template-columns: 42px 1fr;
    gap: 12px 16px;
    padding-block: 28px;
  }

  .format-item > p,
  .format-result {
    grid-column: 2;
  }

  .format-item:hover {
    padding-inline: 0;
  }

  .support-strip {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px;
  }

  .method-steps li {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }

  .method-steps li > div {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .artifact-card {
    display: block;
  }

  .artifact-preview {
    height: 230px;
    margin-bottom: 24px;
  }

  .safety-grid article {
    min-height: 220px;
  }

  .founder-portrait {
    min-height: 330px;
  }

  .founder-portrait > span {
    font-size: 8.5rem;
  }

  .founder-copy {
    padding: 32px 24px;
  }

  .faq-item button {
    font-size: 1.05rem;
  }

  .lead-form {
    padding: 24px 18px;
  }

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

  .site-footer {
    min-height: 230px;
    grid-template-columns: 1fr;
    align-content: center;
    gap: 18px;
  }
}

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

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

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