:root {
  color-scheme: light;
  --paper: #f4f2ee;
  --paper-deep: #ebe8e1;
  --surface: #ffffff;
  --surface-soft: #f8f7f4;
  --ink-strong: #141923;
  --ink: #28303d;
  --muted: #59626e;
  --muted-soft: #68717d;
  --line: #dcd9d2;
  --line-strong: #c8c4bc;
  --blue: #2a5bea;
  --blue-deep: #1841b7;
  --blue-soft: #eaf0ff;
  --cyan: #1ca6bd;
  --pink: #d9457b;
  --success: #208565;
  --warning: #99611f;
  --dark: #172238;
  --dark-soft: #21304a;
  --container: 1216px;
  --shadow-sm: 0 12px 34px rgba(26, 35, 51, 0.08);
  --shadow-lg: 0 28px 70px rgba(23, 34, 56, 0.14);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
figure,
ul,
dl,
dd {
  margin: 0;
}

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

:focus-visible {
  outline: 3px solid rgba(42, 91, 234, 0.35);
  outline-offset: 3px;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--ink-strong);
  color: #fff;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 217, 210, 0.92);
  background: #fff;
}

section[id] {
  scroll-margin-top: 118px;
}

.announcement {
  border-bottom: 1px solid #d9e1ef;
  background: #eef3fb;
  color: #4c586b;
  font-size: 12px;
}

.announcement .container {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  text-align: center;
}

.announcement-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--success);
}

.announcement strong {
  color: var(--ink);
}

.announcement a {
  color: var(--blue-deep);
  font-weight: 750;
  text-underline-offset: 3px;
}

.nav-shell {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  color: var(--ink-strong);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #f0f2f5;
}

.brand-mark img {
  width: 35px;
  height: auto;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 19px;
  font-weight: 820;
  letter-spacing: -0.035em;
  line-height: 1;
}

.brand-tagline {
  color: var(--muted-soft);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.nav-links,
.nav-actions {
  display: flex;
  align-items: center;
}

.nav-links {
  margin-left: auto;
  gap: 25px;
}

.nav-actions {
  gap: 8px;
}

.nav-link,
.text-link {
  color: #5a6270;
  font-size: 13px;
  font-weight: 680;
  text-decoration: none;
  transition: color 160ms ease;
}

.nav-link:hover,
.nav-link[aria-current="page"],
.text-link:hover {
  color: var(--blue-deep);
}

.button {
  display: inline-flex;
  min-height: 45px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 11px 18px;
  font-size: 13px;
  font-weight: 780;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.button-primary {
  background: var(--blue);
  box-shadow: 0 8px 20px rgba(42, 91, 234, 0.2);
  color: #fff;
}

.button-primary:hover {
  background: var(--blue-deep);
  box-shadow: 0 10px 24px rgba(24, 65, 183, 0.23);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
}

.button-secondary:hover {
  border-color: #a8a49c;
  background: #fff;
}

.button-ghost {
  color: #5e6673;
}

.button-lg {
  min-height: 54px;
  border-radius: 10px;
  padding: 15px 22px;
  font-size: 14px;
}

.button-icon {
  font-size: 18px;
  line-height: 1;
}

.mobile-nav {
  display: none;
  position: relative;
}

.mobile-nav summary {
  position: relative;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 0;
  list-style: none;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav summary::before,
.mobile-nav summary::after {
  position: absolute;
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  content: "";
  transition: transform 160ms ease;
}

.mobile-nav summary::before {
  transform: translateY(-4px);
}

.mobile-nav summary::after {
  transform: translateY(4px);
}

.mobile-nav[open] summary::before {
  transform: rotate(45deg);
}

.mobile-nav[open] summary::after {
  transform: rotate(-45deg);
}

.mobile-nav-panel {
  position: absolute;
  top: 54px;
  right: 0;
  display: grid;
  width: min(310px, calc(100vw - 28px));
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 10px;
}

.mobile-nav-panel a {
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 670;
  text-decoration: none;
}

.mobile-nav-panel a:hover {
  background: var(--blue-soft);
}

.mobile-nav-panel .button {
  margin-top: 4px;
  color: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  padding: 72px 0 78px;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.87fr) minmax(520px, 1.13fr);
  align-items: center;
  gap: 64px;
}

.eyebrow,
.section-kicker,
.card-kicker,
.article-meta {
  color: var(--blue-deep);
  font-size: 11px;
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.eyebrow::before,
.section-kicker::before {
  width: 20px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1,
.page-hero h1,
.section-heading {
  margin: 0;
  color: var(--ink-strong);
  font-weight: 770;
  letter-spacing: -0.045em;
}

.hero h1 {
  max-width: 660px;
  margin-top: 18px;
  font-size: clamp(49px, 5.05vw, 69px);
  line-height: 0.99;
}

.hero-lede {
  max-width: 660px;
  margin-top: 24px;
  color: #565f6d;
  font-size: 18px;
  line-height: 1.7;
}

.hero-promise {
  margin-top: 18px;
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 760;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 29px;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
  margin-top: 22px;
  padding: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 720;
  list-style: none;
}

.hero-note li {
  position: relative;
  padding-left: 13px;
}

.hero-note li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--success);
  content: "";
}

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

.product-stage {
  overflow: hidden;
  border: 1px solid #252d3a;
  border-radius: 15px;
  background: #131922;
  box-shadow: var(--shadow-lg);
}

.product-stage-bar,
.product-stage-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #c8d0dc;
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.035em;
}

.product-stage-bar {
  min-height: 38px;
  border-bottom: 1px solid #29313e;
  padding: 0 16px;
}

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

.live-mark i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #48c79d;
}

.product-stage > img {
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 1082;
  object-fit: cover;
}

.product-stage-caption {
  min-height: 47px;
  padding: 0 16px;
}

.product-stage-caption strong {
  color: #fff;
}

.value-strip {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

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

.value-item {
  display: grid;
  min-height: 140px;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 14px;
  border-left: 1px solid var(--line);
  padding: 29px 24px;
}

.value-item:first-child {
  border-left: 0;
  padding-left: 0;
}

.value-item:last-child {
  padding-right: 0;
}

.value-index {
  margin-top: 2px;
  color: var(--blue);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.value-grid strong {
  display: block;
  color: var(--ink-strong);
  font-size: 14px;
  line-height: 1.35;
}

.value-grid p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.section {
  padding: 102px 0;
}

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

.section-warm {
  background: #f7f1e8;
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 0.58fr);
  align-items: end;
  gap: 68px;
  margin-bottom: 50px;
}

.section-header-wide {
  grid-template-columns: minmax(0, 0.96fr) minmax(360px, 0.54fr);
}

.section-heading {
  max-width: 780px;
  margin-top: 14px;
  font-size: clamp(40px, 4.15vw, 59px);
  line-height: 1.03;
}

.section-intro {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.section-intent {
  background: #fff;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.outcome-card {
  min-height: 330px;
  border-left: 1px solid var(--line);
  padding: 32px 30px 36px;
}

.outcome-card:first-child {
  border-left: 0;
  padding-left: 0;
}

.outcome-card:last-child {
  padding-right: 0;
}

.outcome-icon {
  display: inline-block;
  border-bottom: 2px solid var(--blue);
  color: var(--blue-deep);
  padding-bottom: 7px;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.outcome-card h3 {
  max-width: 330px;
  margin-top: 43px;
  color: var(--ink-strong);
  font-size: 28px;
  font-weight: 735;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.outcome-card p {
  max-width: 340px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.feature-focus {
  display: grid;
  grid-template-columns: minmax(320px, 0.68fr) minmax(0, 1.32fr);
  align-items: center;
  gap: 64px;
}

.feature-focus-copy .section-heading {
  font-size: clamp(40px, 4vw, 57px);
}

.feature-focus-copy > p:not(.proof-disclaimer) {
  margin-top: 23px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.benefit-list {
  display: grid;
  gap: 0;
  margin-top: 28px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.benefit-list li {
  border-bottom: 1px solid var(--line-strong);
  padding: 15px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.benefit-list strong {
  color: var(--ink-strong);
}

.proof-disclaimer {
  margin-top: 20px;
  color: var(--blue-deep);
  font-size: 11px;
  font-weight: 780;
}

.nesting-proof {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.nesting-proof img {
  width: 100%;
  aspect-ratio: 1800 / 1265;
  object-fit: cover;
}

.nesting-proof figcaption {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  padding: 0 18px;
  color: var(--muted);
  font-size: 11px;
}

.nesting-proof figcaption strong {
  color: var(--ink-strong);
}

.artwork-section {
  background: #fff;
}

.artwork-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.trial-bridge {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 42px;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-soft);
  padding: 30px 32px;
}

.trial-bridge h3 {
  max-width: 720px;
  margin-top: 11px;
  color: var(--ink-strong);
  font-size: 25px;
  font-weight: 735;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.trial-bridge p {
  max-width: 760px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.trial-bridge-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.artwork-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-soft);
}

.artwork-copy {
  min-height: 252px;
  padding: 32px 32px 27px;
}

.artwork-copy h3 {
  max-width: 520px;
  margin-top: 17px;
  color: var(--ink-strong);
  font-size: 30px;
  font-weight: 735;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.artwork-copy p {
  margin-top: 15px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.split-proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.split-pane {
  position: relative;
  overflow: hidden;
  background: #e7e8e9;
}

.split-pane img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.pixel-source img {
  image-rendering: pixelated;
}

.alpha-checker {
  background-color: #f3f4f5;
  background-image:
    linear-gradient(45deg, #d9dde3 25%, transparent 25%),
    linear-gradient(-45deg, #d9dde3 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d9dde3 75%),
    linear-gradient(-45deg, transparent 75%, #d9dde3 75%);
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-size: 20px 20px;
}

.alpha-checker img {
  aspect-ratio: 1;
  object-fit: contain;
}

.split-label {
  position: absolute;
  right: 10px;
  bottom: 10px;
  left: 10px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 7px;
  background: rgba(20, 25, 35, 0.82);
  color: #fff;
  padding: 8px 10px;
  font-size: 9px;
  font-weight: 780;
  letter-spacing: 0.045em;
  text-align: center;
  text-transform: uppercase;
}

.split-label.accent {
  background: rgba(24, 65, 183, 0.9);
}

.evidence-caption {
  min-height: 77px;
  padding: 17px 22px 19px;
  color: var(--muted-soft);
  font-size: 10px;
  line-height: 1.6;
}

.evidence-caption a {
  color: var(--blue-deep);
  font-weight: 700;
  text-underline-offset: 2px;
}

.workflow-panel {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: #fff;
}

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

.workflow-step {
  min-height: 286px;
  border-left: 1px solid var(--line);
  padding: 30px 25px;
}

.workflow-step:first-child {
  border-left: 0;
}

.workflow-number {
  color: var(--blue-deep);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.11em;
}

.workflow-step h3 {
  margin-top: 31px;
  color: var(--ink-strong);
  font-size: 22px;
  font-weight: 740;
  letter-spacing: -0.03em;
  line-height: 1.13;
}

.workflow-step p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.workflow-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid var(--line);
  background: #e9eef5;
  padding: 24px 27px;
}

.workflow-result strong {
  display: block;
  max-width: 810px;
  color: var(--ink-strong);
  font-size: 14px;
}

.workflow-result span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
}

.status-chip {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  border: 1px solid #abd2c2;
  border-radius: 7px;
  background: #f1faf6;
  color: #14684f;
  padding: 8px 11px;
  font-size: 9px;
  font-weight: 830;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.control-section {
  border-top: 1px solid #ccd7df;
  border-bottom: 1px solid #ccd7df;
  background: #e8eef2;
  padding: 100px 0;
}

.control-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(0, 1.26fr);
  align-items: start;
  gap: 75px;
}

.control-intro .section-heading {
  font-size: clamp(40px, 4vw, 57px);
}

.control-intro > p {
  max-width: 470px;
  margin-top: 22px;
  color: #596571;
  font-size: 15px;
  line-height: 1.76;
}

.control-panels {
  border-top: 1px solid #bbc7d0;
}

.control-panel {
  display: grid;
  grid-template-columns: 116px minmax(0, 0.8fr) minmax(240px, 1fr);
  gap: 24px;
  border-bottom: 1px solid #bbc7d0;
  padding: 28px 0;
}

.control-label {
  color: var(--blue-deep);
  font-size: 9px;
  font-weight: 840;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.control-panel h3 {
  color: var(--ink-strong);
  font-size: 22px;
  font-weight: 735;
  letter-spacing: -0.03em;
  line-height: 1.16;
}

.control-panel p {
  color: #596571;
  font-size: 13px;
  line-height: 1.66;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.support-card {
  min-height: 224px;
  border-left: 1px solid var(--line);
  padding: 28px 24px;
}

.support-card:first-child {
  border-left: 0;
  padding-left: 0;
}

.support-card:last-child {
  padding-right: 0;
}

.support-card h3 {
  margin-top: 31px;
  color: var(--ink-strong);
  font-size: 23px;
  font-weight: 740;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.support-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.62;
}

.compatibility-note {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin-top: 20px;
  border: 1px solid #e5d6bc;
  border-radius: 10px;
  background: #fff8eb;
  padding: 16px 18px;
  color: #74552c;
  font-size: 12px;
}

.compatibility-note strong {
  color: #58401e;
}

.note-mark {
  display: grid;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid #cda66e;
  border-radius: 50%;
  color: #805e2d;
  font-size: 11px;
  font-weight: 850;
}

.resource-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 43px;
}

.resource-head .section-heading {
  max-width: 780px;
}

.text-link-arrow {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  color: var(--blue-deep);
  font-weight: 760;
}

.text-link-arrow::after {
  content: "→";
  font-size: 17px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.guide-card {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  padding: 30px;
  color: var(--ink);
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.guide-card:hover {
  transform: translateY(-2px);
  border-color: #aab8d2;
  box-shadow: var(--shadow-sm);
}

.guide-card h2,
.guide-card h3 {
  margin-top: 18px;
  color: var(--ink-strong);
  font-size: 29px;
  font-weight: 735;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.guide-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.guide-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 30px;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 780;
}

.guide-card-link::after {
  content: "→";
  font-size: 17px;
  transition: transform 160ms ease;
}

.guide-card:hover .guide-card-link::after {
  transform: translateX(3px);
}

.faq-section {
  background: #fff;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1fr);
  align-items: start;
  gap: 90px;
}

.faq-heading {
  position: sticky;
  top: 132px;
}

.faq-heading .section-heading {
  font-size: clamp(39px, 3.8vw, 54px);
}

.faq-heading > p {
  max-width: 420px;
  margin-top: 19px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

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

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

.faq-item summary {
  position: relative;
  padding: 22px 52px 22px 0;
  color: var(--ink-strong);
  cursor: pointer;
  font-size: 15px;
  font-weight: 740;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 25px;
  transform: translateY(-50%);
  color: var(--blue);
  content: "+";
  font-size: 20px;
  font-weight: 400;
  text-align: center;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 760px;
  padding: 0 52px 22px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.download-section {
  background: var(--paper);
  padding: 100px 0;
}

.download-panel {
  overflow: hidden;
  border: 1px solid #26344f;
  border-radius: 17px;
  background: var(--dark);
  box-shadow: var(--shadow-lg);
  color: #fff;
  padding: 52px;
}

.download-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.55fr);
  align-items: end;
  gap: 62px;
}

.download-head .section-kicker {
  color: #9cc4ff;
}

.download-head .section-heading {
  max-width: 680px;
  color: #fff;
}

.download-head p {
  color: #c5cfde;
  font-size: 14px;
  line-height: 1.72;
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 37px;
}

.download-card {
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 12px;
  background: var(--dark-soft);
  padding: 25px;
}

.download-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.platform-icon {
  color: #9eacc0;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.download-card h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 740;
}

.platform-meta {
  margin-top: 5px;
  color: #adbacd;
  font-size: 10px;
}

.download-card .button {
  width: 100%;
  margin-top: 20px;
  background: #fff;
  box-shadow: none;
  color: #17346d;
}

.download-card .button:hover {
  background: #eef4ff;
}

.mirror-link {
  display: inline-block;
  margin-top: 12px;
  color: #bfd4f3;
  font-size: 10px;
  text-underline-offset: 3px;
}

.activation-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 17px;
  margin-top: 15px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: #111b2d;
  padding: 22px;
}

.activation-icon {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border: 1px solid rgba(158, 196, 255, 0.4);
  border-radius: 8px;
  color: #acd0ff;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.activation-panel strong {
  display: block;
  font-size: 13px;
}

.activation-panel p {
  margin-top: 5px;
  color: #bec9d8;
  font-size: 11px;
  line-height: 1.6;
}

.activation-panel a {
  color: #fff;
  font-weight: 700;
  text-underline-offset: 2px;
}

.config-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.6fr) minmax(0, 1fr);
  align-items: start;
  gap: 58px;
  margin-top: 34px;
}

.config-section h3 {
  color: var(--ink-strong);
  font-size: 22px;
  font-weight: 740;
  letter-spacing: -0.03em;
}

.config-section > div:first-child p {
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.config-card {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  padding: 19px;
}

.config-card h3 {
  font-size: 16px;
}

.config-meta {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
}

.config-card a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 13px;
  color: var(--blue-deep);
  font-size: 11px;
  font-weight: 780;
}

.config-card a::after {
  content: "";
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #eceae5;
  padding: 52px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 0.55fr);
  gap: 36px;
}

.footer-brand-copy {
  max-width: 320px;
  margin-top: 17px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.footer-column h2 {
  margin: 0 0 14px;
  color: var(--ink-strong);
  font-size: 10px;
  font-weight: 830;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-column a,
.footer-column span {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--blue-deep);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  border-top: 1px solid var(--line-strong);
  padding-top: 21px;
  color: var(--muted);
  font-size: 10px;
}

/* Secondary pages */

.page-hero {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  padding: 78px 0 70px;
}

.page-hero-inner {
  max-width: 860px;
}

.page-hero h1 {
  margin-top: 17px;
  font-size: clamp(44px, 5.3vw, 70px);
  line-height: 1.02;
}

.page-hero p {
  max-width: 740px;
  margin-top: 21px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.72;
}

.page-section {
  padding: 76px 0 102px;
}

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

.guides-page .guide-card {
  min-height: 330px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(205px, 0.32fr) minmax(0, 0.92fr);
  align-items: start;
  gap: 66px;
}

.article-sidebar {
  position: sticky;
  top: 132px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  padding: 22px;
}

.article-sidebar h2 {
  margin-top: 10px;
  color: var(--ink-strong);
  font-size: 21px;
  font-weight: 740;
  letter-spacing: -0.03em;
}

.article-sidebar p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}

.article-toc {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.article-toc a {
  color: var(--muted);
  font-size: 11px;
  font-weight: 660;
  text-decoration: none;
}

.article-toc a:hover {
  color: var(--blue-deep);
}

.article-body {
  max-width: 820px;
}

.article-body .lede {
  margin-bottom: 34px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.72;
}

.article-body h2 {
  margin: 48px 0 14px;
  scroll-margin-top: 132px;
  color: var(--ink-strong);
  font-size: 31px;
  letter-spacing: -0.035em;
  line-height: 1.16;
}

.article-body h3 {
  margin: 29px 0 10px;
  color: var(--ink-strong);
  font-size: 21px;
}

.article-body p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.82;
}

.article-body a {
  color: var(--blue-deep);
  font-weight: 660;
  text-underline-offset: 3px;
}

.article-body code {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #edf0f3;
  padding: 2px 6px;
  color: var(--ink);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.82em;
}

.article-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  margin: 33px 0 41px;
}

.article-step {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
  padding: 18px;
}

.article-step h3 {
  margin: 12px 0 7px;
  font-size: 16px;
}

.article-step p {
  margin: 0;
  font-size: 12px;
  line-height: 1.55;
}

.article-callout,
.source-note {
  border: 1px solid #bed0f2;
  border-radius: 10px;
  background: var(--blue-soft);
  color: #304c7b;
}

.article-callout {
  margin: 34px 0;
  padding: 21px;
  font-size: 13px;
}

.article-next {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 48px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.article-next a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 9px 12px;
  color: var(--ink);
  font-size: 11px;
  text-decoration: none;
}

.legal-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.56fr) minmax(0, 1fr);
  gap: 17px;
}

.legal-card,
.credit-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 29px;
}

.legal-card h2,
.credit-card h2 {
  margin-top: 11px;
  color: var(--ink-strong);
  font-size: 27px;
  font-weight: 740;
  letter-spacing: -0.035em;
}

.legal-card p,
.credit-card p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.legal-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.legal-row {
  display: grid;
  grid-template-columns: minmax(130px, 0.32fr) 1fr;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.legal-row:first-child {
  padding-top: 0;
}

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

.legal-row dt {
  color: var(--muted-soft);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legal-row dd {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.legal-row a,
.credit-card a {
  color: var(--blue-deep);
}

.credit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
}

.credit-card a {
  display: inline-block;
  margin-top: 16px;
  font-size: 11px;
  font-weight: 750;
  text-underline-offset: 3px;
}

.source-note {
  margin-top: 18px;
  padding: 17px 19px;
  font-size: 12px;
}

.legal-privacy {
  grid-column: 1 / -1;
  margin-top: 0;
}

.not-found {
  display: grid;
  min-height: calc(100vh - 166px);
  place-items: center;
  background: var(--paper);
  padding: 80px 0;
}

.not-found-card {
  max-width: 680px;
  text-align: center;
}

.not-found-code {
  color: var(--blue);
  font-size: clamp(72px, 16vw, 150px);
  font-weight: 850;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.not-found h1 {
  margin-top: 28px;
  color: var(--ink-strong);
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.045em;
}

.not-found p {
  margin: 14px 0 28px;
  color: var(--muted);
}

/* Compatibility classes retained for source/evidence pages. */

.app-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.app-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 12px 15px;
  color: var(--muted);
  font-size: 10px;
}

.feature-list,
.outcome-list,
.trust-list {
  display: grid;
  gap: 9px;
  padding-left: 19px;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .nav-links {
    gap: 17px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.87fr) minmax(460px, 1.13fr);
    gap: 42px;
  }

  .hero h1 {
    font-size: clamp(46px, 5vw, 62px);
  }

  .feature-focus {
    gap: 42px;
  }

  .control-grid {
    gap: 50px;
  }

  .control-panel {
    grid-template-columns: 95px 1fr;
  }

  .control-panel p {
    grid-column: 2;
  }
}

@media (max-width: 920px) {
  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .nav-links,
  .nav-actions .button-ghost {
    display: none;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    padding: 62px 0 68px;
  }

  .hero-grid,
  .section-header,
  .section-header-wide,
  .feature-focus,
  .control-grid,
  .download-head,
  .trial-bridge,
  .config-section,
  .article-layout,
  .legal-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .feature-focus {
    gap: 46px;
  }

  .hero-copy {
    max-width: 740px;
  }

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

  .value-grid,
  .support-grid,
  .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .value-item:nth-child(3),
  .support-card:nth-child(3),
  .workflow-step:nth-child(3) {
    border-left: 0;
  }

  .value-item:nth-child(n + 3),
  .support-card:nth-child(n + 3),
  .workflow-step:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .value-item:nth-child(3),
  .support-card:nth-child(3) {
    padding-left: 0;
  }

  .value-item:nth-child(2),
  .support-card:nth-child(2) {
    padding-right: 0;
  }

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

  .outcome-card,
  .outcome-card:first-child,
  .outcome-card:last-child {
    min-height: 0;
    border-left: 0;
    padding: 30px 0;
  }

  .outcome-card + .outcome-card {
    border-top: 1px solid var(--line);
  }

  .outcome-card h3,
  .outcome-card p {
    max-width: 620px;
  }

  .outcome-card h3 {
    margin-top: 25px;
  }

  .section-header,
  .section-header-wide {
    align-items: start;
    gap: 20px;
  }

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

  .artwork-copy {
    min-height: 0;
  }

  .trial-bridge {
    gap: 22px;
  }

  .trial-bridge-actions {
    justify-content: flex-start;
  }

  .control-panels {
    margin-top: 2px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .faq-heading,
  .article-sidebar {
    position: static;
  }

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

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

  .footer-grid {
    grid-template-columns: 1.2fr repeat(2, 0.6fr);
  }

  .footer-column:last-child {
    grid-column: 2 / 4;
  }
}

@media (max-width: 680px) {
  section[id] {
    scroll-margin-top: 116px;
  }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .announcement .container {
    min-height: 36px;
    gap: 6px;
    font-size: 10px;
    line-height: 1.35;
  }

  .announcement span:not(.announcement-dot) {
    max-width: 235px;
  }

  .announcement strong {
    display: inline;
  }

  .nav-shell {
    min-height: 67px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-mark img {
    width: 32px;
  }

  .brand-tagline,
  .nav-actions .button {
    display: none;
  }

  .hero {
    padding: 42px 0 52px;
  }

  .hero-grid {
    gap: 34px;
  }

  .hero h1 {
    margin-top: 14px;
    font-size: clamp(40px, 11.6vw, 50px);
    line-height: 1;
  }

  .hero-lede {
    margin-top: 19px;
    font-size: 16px;
    line-height: 1.62;
  }

  .hero-promise {
    margin-top: 15px;
    font-size: 13px;
  }

  .hero-actions {
    display: grid;
    margin-top: 23px;
  }

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

  .hero-note {
    display: grid;
    gap: 6px;
    margin-top: 17px;
  }

  .product-stage {
    border-radius: 11px;
  }

  .product-stage-bar,
  .product-stage-caption {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 8px 11px;
  }

  .product-stage-bar {
    min-height: 48px;
  }

  .product-stage-caption {
    min-height: 57px;
  }

  .value-grid,
  .support-grid,
  .workflow-grid,
  .guide-grid,
  .download-grid,
  .config-grid,
  .footer-grid,
  .article-flow {
    grid-template-columns: 1fr;
  }

  .value-item,
  .value-item:first-child,
  .value-item:last-child,
  .value-item:nth-child(2),
  .value-item:nth-child(3),
  .support-card,
  .support-card:first-child,
  .support-card:last-child,
  .support-card:nth-child(2),
  .support-card:nth-child(3),
  .workflow-step,
  .workflow-step:nth-child(3) {
    min-height: 0;
    border-left: 0;
    padding: 23px 0;
  }

  .workflow-step,
  .workflow-step:nth-child(3) {
    padding: 28px 24px;
  }

  .value-item:nth-child(n + 2),
  .support-card:nth-child(n + 2),
  .workflow-step:nth-child(n + 2) {
    border-top: 1px solid var(--line);
  }

  .section,
  .control-section,
  .download-section {
    padding: 72px 0;
  }

  .section-heading {
    font-size: 38px;
  }

  .section-header,
  .section-header-wide {
    margin-bottom: 36px;
  }

  .section-intro {
    font-size: 14px;
  }

  .outcome-card h3 {
    font-size: 27px;
  }

  .feature-focus {
    gap: 35px;
  }

  .feature-focus-copy .section-heading,
  .control-intro .section-heading,
  .faq-heading .section-heading {
    font-size: 38px;
  }

  .nesting-proof figcaption {
    min-height: 65px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 9px 13px;
  }

  .artwork-copy {
    padding: 25px 22px 23px;
  }

  .artwork-copy h3 {
    font-size: 27px;
  }

  .split-label {
    right: 7px;
    bottom: 7px;
    left: 7px;
    padding: 7px 5px;
    font-size: 8px;
  }

  .evidence-caption {
    min-height: 0;
    padding: 15px 17px 17px;
  }

  .trial-bridge {
    padding: 25px 22px;
  }

  .trial-bridge h3 {
    font-size: 25px;
  }

  .trial-bridge-actions {
    display: grid;
    justify-content: stretch;
  }

  .trial-bridge-actions .button {
    width: 100%;
  }

  .workflow-step h3 {
    margin-top: 18px;
  }

  .workflow-result {
    align-items: flex-start;
    flex-direction: column;
    padding: 21px;
  }

  .control-panel {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .control-panel p {
    grid-column: auto;
  }

  .support-card h3 {
    margin-top: 18px;
  }

  .resource-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-card {
    min-height: 280px;
    padding: 25px;
  }

  .guide-card h2,
  .guide-card h3 {
    font-size: 27px;
  }

  .faq-layout {
    gap: 34px;
  }

  .faq-item summary {
    padding-right: 44px;
  }

  .faq-answer {
    padding-right: 36px;
  }

  .download-panel {
    border-radius: 13px;
    padding: 30px 20px;
  }

  .download-head {
    gap: 17px;
  }

  .activation-panel {
    grid-template-columns: 1fr;
  }

  .config-section {
    gap: 22px;
  }

  .footer-column:last-child {
    grid-column: auto;
  }

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

  .page-hero {
    padding: 56px 0 50px;
  }

  .page-hero h1 {
    font-size: 42px;
  }

  .page-hero p {
    font-size: 16px;
  }

  .page-section {
    padding: 52px 0 75px;
  }

  .article-toc {
    grid-template-columns: 1fr;
  }

  .article-body .lede {
    font-size: 18px;
  }

  .article-body p {
    font-size: 16px;
  }

  .legal-row {
    grid-template-columns: 1fr;
    gap: 5px;
  }

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

  .app-caption {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }
}

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

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