:root {
  --ink: #14211c;
  --muted: #5b6861;
  --paper: #f8faf8;
  --white: #ffffff;
  --line: #d9e3dc;
  --green: #245c4c;
  --green-dark: #183c33;
  --green-soft: #e6f1ec;
  --clay: #b95f3f;
  --blue: #455f8d;
  --blue-soft: #e8eef7;
  --gold: #d1a33e;
  --shadow: 0 24px 60px rgba(20, 33, 28, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

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

p,
h1,
h2,
h3,
dl,
dd {
  margin: 0;
}

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

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 20;
  transform: translateY(-160%);
  background: var(--white);
  color: var(--ink);
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

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

.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;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 250, 248, 0.92);
  border-bottom: 1px solid rgba(217, 227, 220, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  color: var(--ink);
}

.brand img {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #33423c;
  font-size: 15px;
}

.nav-links a {
  padding: 8px 0;
}

.nav-links a:hover {
  color: var(--green);
}

.nav-cta {
  border: 1px solid var(--green);
  border-radius: 6px;
  color: var(--green);
  padding: 9px 14px !important;
  font-weight: 720;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  padding: 8px 12px;
}

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

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 92px 0 140px;
}

.eyebrow {
  color: var(--clay);
  font-size: 13px;
  line-height: 1.3;
  font-weight: 780;
  text-transform: uppercase;
}

.section-dark .eyebrow {
  color: #f5c66e;
}

h1 {
  max-width: 650px;
  margin-top: 14px;
  font-size: 64px;
  line-height: 1;
  font-weight: 820;
}

.hero-copy {
  max-width: 590px;
  margin-top: 24px;
  color: #e6f1ec;
  font-size: 22px;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 6px;
  border: 1px solid transparent;
  padding: 12px 18px;
  font-weight: 780;
  cursor: pointer;
}

.button-primary {
  background: var(--gold);
  color: #17231f;
  border-color: var(--gold);
}

.button-primary:hover {
  background: #e0b757;
}

.button-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.button-secondary:hover {
  border-color: var(--white);
}

.trust-line {
  max-width: 560px;
  margin-top: 24px;
  color: #c8d9d1;
  font-size: 15px;
}

.hero-visual {
  position: absolute;
  top: 74px;
  right: calc((100vw - 1120px) / 2 - 120px);
  z-index: 1;
  width: 520px;
  height: 650px;
  pointer-events: none;
}

.phone-shell {
  position: absolute;
  top: 12px;
  right: 80px;
  width: 330px;
  height: 640px;
  padding: 14px;
  background: #101716;
  border: 1px solid #33443e;
  border-radius: 34px;
  box-shadow: var(--shadow);
  transform: rotate(3deg);
}

.phone-status {
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  color: #d7e1dc;
  font-size: 12px;
}

.app-preview {
  height: 570px;
  padding: 26px 20px;
  background: var(--white);
  color: var(--ink);
  border-radius: 24px;
  overflow: hidden;
}

.preview-kicker,
.card-kicker {
  color: var(--clay);
  font-size: 12px;
  line-height: 1.3;
  font-weight: 780;
  text-transform: uppercase;
}

.app-preview .preview-headline {
  margin-top: 8px;
  font-size: 25px;
  line-height: 1.1;
  font-weight: 820;
}

.preview-section {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.preview-section span {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.preview-section p,
.preview-practice p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.preview-practice {
  margin-top: 22px;
  padding: 16px;
  background: var(--green-soft);
  border: 1px solid #c9ded3;
  border-radius: 8px;
}

.preview-practice strong {
  color: var(--green);
  font-size: 13px;
}

.answer-band {
  padding: 42px 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.answer-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.answer-layout h2,
.section-heading h2,
.pilot-pitch h2,
.guardrail-layout h2 {
  margin-top: 10px;
  font-size: 42px;
  line-height: 1.1;
}

.answer-layout p:last-child,
.section-heading p,
.guardrail-copy p,
.pilot p {
  color: var(--muted);
}

.section {
  padding: 96px 0;
}

.section-tint {
  background: #edf4f1;
}

.section-heading {
  max-width: 690px;
}

.section-heading.compact {
  max-width: 580px;
}

.section-heading p {
  margin-top: 18px;
}

.audience-grid,
.steps,
.privacy-grid {
  margin-top: 42px;
  display: grid;
  gap: 18px;
}

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

.steps {
  grid-template-columns: repeat(4, 1fr);
}

.privacy-grid {
  grid-template-columns: repeat(4, 1fr);
}

.audience-grid article,
.steps article,
.privacy-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.audience-grid h3,
.steps h3,
.privacy-grid h3 {
  font-size: 21px;
  line-height: 1.2;
}

.audience-grid p,
.steps p,
.privacy-grid p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
}

.step-number {
  display: block;
  margin-bottom: 22px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 820;
}

.personalization-model {
  margin-top: 46px;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 36px;
  align-items: center;
}

.model-copy h3 {
  margin-top: 10px;
  font-size: 34px;
  line-height: 1.12;
}

.model-copy p:not(.eyebrow) {
  margin-top: 16px;
  color: var(--muted);
}

.model-graph {
  position: relative;
  margin: 0;
  min-height: 390px;
  display: grid;
  grid-template-columns: 1fr 1.05fr 1fr;
  gap: 18px;
  align-items: center;
  padding: 28px;
  background:
    linear-gradient(90deg, rgba(69, 95, 141, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(69, 95, 141, 0.08) 1px, transparent 1px),
    #ffffff;
  background-size: 38px 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 54px rgba(20, 33, 28, 0.1);
  overflow: hidden;
}

.model-graph::before,
.model-graph::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 23%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}

.model-graph::before {
  left: 25%;
}

.model-graph::after {
  right: 25%;
}

.graph-column {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
}

.graph-label {
  color: var(--blue);
  font-size: 12px;
  font-weight: 820;
  text-transform: uppercase;
}

.signal-node,
.output-node {
  border: 1px solid #d5dfd9;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 12px 24px rgba(20, 33, 28, 0.08);
}

.signal-node {
  padding: 13px;
}

.signal-node span,
.signal-node strong {
  display: block;
}

.signal-node span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.signal-node strong {
  margin-top: 3px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
}

.mini-bars {
  height: 22px;
  display: flex;
  align-items: end;
  gap: 4px;
  margin-top: 10px;
}

.mini-bars i {
  width: 18px;
  background: var(--blue);
  border-radius: 3px 3px 0 0;
}

.mini-bars i:nth-child(1) {
  height: 12px;
}

.mini-bars i:nth-child(2) {
  height: 18px;
}

.mini-bars i:nth-child(3) {
  height: 8px;
}

.mini-bars i:nth-child(4) {
  height: 15px;
}

.mini-bars.active i {
  background: var(--green);
}

.mini-bars.calm i {
  background: var(--gold);
}

.mini-bars.warm i {
  background: var(--clay);
}

.graph-core {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
}

.core-ring {
  width: min(100%, 260px);
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  padding: 22px;
  border: 10px solid transparent;
  border-radius: 50%;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    conic-gradient(from 210deg, var(--green), var(--blue), var(--gold), var(--clay), var(--green)) border-box;
  box-shadow:
    0 0 0 12px rgba(36, 92, 76, 0.08),
    0 18px 38px rgba(20, 33, 28, 0.16);
}

.core-ring span,
.core-ring strong,
.core-ring em {
  display: block;
}

.core-ring span {
  color: var(--clay);
  font-size: 11px;
  line-height: 1;
  font-style: normal;
  font-weight: 820;
  letter-spacing: 0;
  text-transform: uppercase;
}

.core-ring strong {
  max-width: 150px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.15;
}

.core-ring em {
  max-width: 150px;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  line-height: 1.3;
}

.output-node {
  padding: 14px 15px;
  color: var(--green-dark);
  font-size: 15px;
  font-weight: 780;
}

.output-node:nth-child(3) {
  border-color: #cfc7a9;
}

.output-node:nth-child(4) {
  border-color: #c7d1e6;
}

.output-node:nth-child(5) {
  border-color: #dfc6bb;
}

.rhythm-layout,
.privacy-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 58px;
  align-items: start;
}

.rhythm-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  box-shadow: 0 18px 44px rgba(20, 33, 28, 0.08);
}

.rhythm-card h3 {
  margin-top: 8px;
  font-size: 34px;
  line-height: 1.1;
}

.rhythm-card dl {
  margin-top: 26px;
  display: grid;
  gap: 0;
}

.rhythm-card dl div {
  display: grid;
  grid-template-columns: 138px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.rhythm-card dt {
  color: var(--green);
  font-size: 14px;
  font-weight: 820;
}

.rhythm-card dd {
  color: var(--muted);
  font-size: 16px;
}

.pilot-apply-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: start;
}

.pilot-pitch p {
  color: #dbe8e2;
  margin-top: 18px;
}

.pilot-pitch .pilot-list {
  margin-top: 30px;
}

.form-heading {
  margin: 6px 0 20px;
  color: #ffffff;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 580;
}

.pilot-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.pilot-list li {
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.pilot-list strong,
.pilot-list span {
  display: block;
}

.pilot-list strong {
  font-size: 18px;
}

.pilot-list span {
  margin-top: 8px;
  color: #dbe8e2;
  font-size: 15px;
}

.guardrail-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 58px;
}

.guardrail-copy {
  padding: 28px 0 0;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 58px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 20px;
}

summary {
  min-height: 62px;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 760;
}

details p {
  padding: 0 0 20px;
  color: var(--muted);
}

.application-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

.field-row {
  display: grid;
  gap: 7px;
  margin-bottom: 18px;
}

label {
  font-size: 14px;
  font-weight: 760;
  color: #33423c;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #bac9c1;
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  padding: 12px 13px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(69, 95, 141, 0.34);
  outline-offset: 2px;
}

.checkbox-row {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  margin: 6px 0 22px;
  color: var(--muted);
  font-weight: 520;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.form-submit {
  width: 100%;
}

.form-message {
  min-height: 24px;
  margin-top: 14px;
  color: var(--green);
  font-size: 15px;
}

.form-message.error {
  color: #9f3328;
}

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

.site-footer {
  padding: 42px 0;
  background: #101716;
  color: var(--white);
}

.legal-hero {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.legal-hero h1 {
  color: var(--ink);
}

.legal-hero p {
  margin-top: 20px;
  color: var(--muted);
}

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

.legal-copy {
  max-width: 820px;
}

.legal-copy h2 {
  margin-top: 34px;
  font-size: 28px;
  line-height: 1.2;
}

.legal-copy h2:first-child {
  margin-top: 0;
}

.legal-copy p {
  margin-top: 10px;
  color: var(--muted);
}

.footer-layout {
  display: flex;
  justify-content: space-between;
  gap: 32px;
}

.site-footer p {
  margin-top: 10px;
  color: #b9c7c1;
  font-size: 15px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  color: #dbe8e2;
  font-size: 15px;
}

/* Promise band */
.promise-band {
  padding: 28px 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.promise {
  margin: 0;
  text-align: center;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.35;
  font-weight: 580;
  letter-spacing: -0.005em;
}

@media (max-width: 760px) {
  .promise {
    font-size: 18px;
  }
}

/* Problem section */
.problem-section {
  background: var(--paper);
}

.problem-list {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.problem-list article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px 26px;
}

.problem-list h3 {
  font-size: 20px;
  line-height: 1.2;
  color: var(--ink);
}

.problem-list p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.problem-summary {
  margin-top: 30px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 520;
  max-width: 720px;
}

/* Example Insight section */
.example-section {
  background: var(--white);
}

.insight-card {
  margin-top: 44px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 18px 44px rgba(20, 33, 28, 0.06);
}

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

.insight-input {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
}

.insight-input p:not(.insight-label) {
  margin-top: 8px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

.insight-label {
  color: var(--blue);
  font-size: 12px;
  font-weight: 820;
  text-transform: uppercase;
  letter-spacing: 0;
}

.insight-flow {
  position: relative;
  height: 32px;
  margin: 4px 0;
}

.insight-flow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 6px;
  width: 2px;
  background: var(--line);
  transform: translateX(-50%);
}

.insight-flow::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  transform: translateX(-50%) rotate(45deg);
}

.insight-synthesis {
  background: var(--green-soft);
  border: 1px solid #c9ded3;
  border-radius: 8px;
  padding: 22px 26px;
}

.insight-synthesis .insight-label {
  color: var(--green);
}

.insight-synthesis p:not(.insight-label) {
  margin-top: 8px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
}

.insight-rhythm {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px 28px;
}

.insight-rhythm .insight-label {
  color: var(--clay);
}

.insight-rhythm dl {
  margin-top: 14px;
  display: grid;
  gap: 0;
}

.insight-rhythm dl div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.insight-rhythm dl div:first-child {
  border-top: 0;
  padding-top: 4px;
}

.insight-rhythm dt {
  color: var(--green);
  font-size: 14px;
  font-weight: 820;
}

.insight-rhythm dd {
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}

.example-footnote {
  margin-top: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

/* Steps grid: support 6 items */
.steps.steps-six {
  grid-template-columns: repeat(3, 1fr);
}

/* Trust section */
.trust-section {
  background: var(--paper);
}

.trust-list {
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 28px;
}

.trust-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

.trust-list strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
}

.trust-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 7px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
}

.trust-footer {
  margin-top: 26px;
  color: var(--muted);
  font-size: 14px;
}

.trust-footer a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Audience list (Who it's for) */
.audience-list {
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  max-width: 820px;
}

.audience-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
}

.audience-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
}

@media (max-width: 1180px) {
  .hero-visual {
    right: -170px;
  }
}

@media (max-width: 980px) {
  h1 {
    max-width: 640px;
    font-size: 56px;
  }

  .hero-copy {
    max-width: 560px;
    font-size: 20px;
  }

  .hero-visual {
    opacity: 0.72;
    right: -150px;
  }

  .answer-layout,
  .rhythm-layout,
  .privacy-layout,
  .pilot-apply-layout,
  .guardrail-layout,
  .faq-layout,
  .personalization-model {
    grid-template-columns: 1fr;
  }

  .model-graph {
    max-width: 720px;
  }

  .audience-grid,
  .steps,
  .privacy-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps.steps-six {
    grid-template-columns: repeat(2, 1fr);
  }

  .insight-inputs {
    grid-template-columns: 1fr;
  }

  .insight-rhythm dl div {
    grid-template-columns: 80px 1fr;
    gap: 14px;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .shell {
    width: min(100% - 28px, 680px);
  }

  .nav {
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 42px rgba(20, 33, 28, 0.16);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 12px !important;
  }

  .nav-cta {
    text-align: center;
    margin-top: 6px;
  }

  .hero {
    display: flex;
    flex-direction: column-reverse;
    align-items: stretch;
    min-height: auto;
  }

  .hero-content {
    padding: 64px 0 22px;
  }

  h1 {
    font-size: 44px;
    line-height: 1.05;
  }

  .hero-copy {
    font-size: 18px;
  }

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

  .button {
    width: 100%;
  }

  .hero-visual {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    height: 530px;
    margin: 10px auto 0;
    opacity: 1;
  }

  .phone-shell {
    top: 20px;
    right: auto;
    left: 50%;
    width: 300px;
    height: 560px;
    transform: translateX(-50%) rotate(0);
  }

  .app-preview {
    height: 490px;
    padding: 22px 18px;
  }

  .app-preview .preview-headline {
    font-size: 24px;
  }

  .preview-section {
    margin-top: 16px;
    padding-top: 14px;
  }

  .section {
    padding: 72px 0;
  }

  .answer-layout h2,
  .section-heading h2,
  .pilot h2,
  .guardrail-layout h2 {
    font-size: 34px;
  }

  .audience-grid,
  .steps,
  .privacy-grid,
  .pilot-list,
  .problem-list,
  .trust-list {
    grid-template-columns: 1fr;
  }

  .steps.steps-six {
    grid-template-columns: 1fr;
  }

  .insight-card {
    padding: 22px;
  }

  .insight-rhythm dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .model-copy h3 {
    font-size: 28px;
  }

  .model-graph {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .model-graph::before,
  .model-graph::after {
    display: none;
  }

  .graph-column {
    grid-template-columns: repeat(2, 1fr);
  }

  .graph-label {
    grid-column: 1 / -1;
  }

  .core-ring {
    width: 240px;
    margin: 10px 0;
    padding: 20px;
  }

  .core-ring strong {
    font-size: 16px;
    max-width: 140px;
  }

  .core-ring em {
    max-width: 150px;
  }

  .rhythm-card {
    padding: 24px;
  }

  .rhythm-card h3 {
    font-size: 28px;
  }

  .rhythm-card dl div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .application-form {
    padding: 22px;
  }

  .footer-layout {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .brand span {
    font-size: 16px;
  }

  h1 {
    font-size: 38px;
  }

  .answer-layout h2,
  .section-heading h2,
  .pilot h2,
  .guardrail-layout h2 {
    font-size: 30px;
  }

  .phone-shell {
    width: 282px;
  }

  .graph-column {
    grid-template-columns: 1fr;
  }

  .core-ring {
    width: 220px;
    padding: 18px;
  }

  .core-ring strong {
    font-size: 15px;
    max-width: 130px;
  }
}