@font-face {
  font-family: "Manrope";
  src: url("/assets/fonts/manrope-variable-latin.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 200 800;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Newsreader";
  src: url("/assets/fonts/newsreader-variable-latin.woff2") format("woff2");
  font-display: swap;
  font-style: normal;
  font-weight: 200 800;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #181a1b;
  --action: #2855d9;
  --action-dark: #1f43ae;
  --action-soft: #e8edff;
  --action-pale: #a9bbff;
  --mineral: #d9dee2;
  --mineral-soft: #e1e5e5;
  --mineral-shadow: #c8cfd1;
  --canvas: #f4f1e9;
  --paper: #fbf9f4;
  --muted: #5e6468;
  --light-muted: #b9c0c4;
  --white: #ffffff;
  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-editorial: "Newsreader", Georgia, serif;
  --type-hero: clamp(2.75rem, 5.4vw, 5rem);
  --type-hero-editorial: clamp(2.9rem, 5.7vw, 5.4rem);
  --type-section: clamp(2rem, 4vw, 3.5rem);
  --type-subtitle: clamp(1.4rem, 2.5vw, 2rem);
  --type-lead: clamp(1.1rem, 1.7vw, 1.3rem);
  --container: 75rem;
  --reading: 65ch;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --z-dropdown: 20;
  --z-sticky: 30;
  --z-floating: 35;
  --z-skip: 40;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
textarea {
  font-family: var(--font-sans);
}

main[tabindex="-1"]:focus {
  outline: 3px solid transparent;
}

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

img {
  height: auto;
}

h1,
h2,
h3 {
  overflow-wrap: break-word;
  text-wrap: balance;
}

p,
li,
dd {
  text-wrap: pretty;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

button,
input,
textarea {
  font: inherit;
}

button,
summary,
a {
  -webkit-tap-highlight-color: rgb(40 85 217 / 18%);
  touch-action: manipulation;
}

:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--ink);
}

.technical :focus-visible,
.contact :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--ink);
  box-shadow: 0 0 0 5px var(--white);
}

::selection {
  background: var(--action);
  color: var(--white);
}

.container {
  width: min(calc(100% - 3rem), var(--container));
  margin-inline: auto;
}

.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;
}

.skip-link {
  position: fixed;
  z-index: var(--z-skip);
  top: 0.75rem;
  left: 0.75rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1rem;
  transform: translateY(-180%);
  background: var(--white);
  color: var(--ink);
  font-weight: 700;
  transition: transform 180ms var(--ease-out);
}

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

.prototype-bar {
  min-height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.35rem 1.5rem;
  background: var(--ink);
  color: var(--canvas);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-align: center;
}

.prototype-bar span {
  color: #8eabff;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prototype-bar p {
  margin: 0;
  color: var(--light-muted);
}

.site-header {
  position: sticky;
  z-index: var(--z-sticky);
  top: 0;
  border-bottom: 1px solid rgb(24 26 27 / 14%);
  background: var(--canvas);
}

.header-inner {
  min-height: 5.25rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}

.brand-link {
  width: 8.8rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.site-navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.1rem, 2.4vw, 2rem);
}

.site-navigation a {
  position: relative;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: #35393b;
  font-size: 0.91rem;
  font-weight: 650;
  text-decoration: none;
}

.site-navigation a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.2rem;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--action);
  transition: transform 180ms var(--ease-out);
}

.site-navigation a:hover::after,
.site-navigation a:focus-visible::after {
  transform: scaleX(1);
}

.site-navigation .mobile-navigation-cta,
.menu-button {
  display: none;
}

.button {
  min-height: 3.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.35rem;
  border: 1px solid var(--action);
  border-radius: 0;
  background: var(--action);
  color: var(--white);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition: background 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.button:hover:not(:disabled) {
  border-color: var(--action-dark);
  background: var(--action-dark);
  transform: translateY(-2px);
}

.button:active:not(:disabled) {
  transform: translateY(0);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.button-small {
  min-height: 2.8rem;
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
}

.button-light {
  border-color: var(--canvas);
  background: var(--canvas);
  color: var(--ink);
}

.button-light:hover:not(:disabled) {
  border-color: var(--white);
  background: var(--white);
}

.text-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration-thickness: 1px;
  transition: color 180ms var(--ease-out);
}

.text-link:hover {
  color: var(--action);
}

.text-link span {
  color: var(--action);
  font-size: 1.1em;
}

.eyebrow {
  margin: 0 0 1.15rem;
  color: var(--action);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.3;
  text-transform: uppercase;
}

.section-grid {
  position: relative;
  border-bottom: 1px solid rgb(24 26 27 / 13%);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-heading h2,
.problem h2,
.process h2,
.technical h2,
.fit h2,
.faq h2,
.contact h2 {
  margin: 0;
  font-size: var(--type-section);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.section-heading > p:last-child,
.split-heading > div:last-child > p,
.split-heading > p {
  max-width: 38rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
}

.split-heading {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 7rem);
}

/* Hero */
.hero {
  overflow: clip;
  padding: clamp(3.75rem, 7vw, 6rem) 0 clamp(4.5rem, 8vw, 6.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(26rem, 0.92fr);
  align-items: center;
  gap: clamp(3rem, 6vw, 6rem);
}

.hero-copy h1 {
  max-width: 46rem;
  margin: 0;
}

.hero-copy h1 span,
.hero-copy h1 em {
  display: block;
}

.hero-copy h1 span {
  font-size: var(--type-hero);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.hero-copy h1 em {
  margin-top: 0.08em;
  font-family: var(--font-editorial);
  font-size: var(--type-hero-editorial);
  font-style: normal;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 0.95;
}

.hero-lead {
  max-width: 39rem;
  margin: 1.8rem 0 0;
  color: #454a4d;
  font-size: var(--type-lead);
  line-height: 1.58;
}

.hero-label-compact,
.hero-lead-compact {
  display: none;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
}

.hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 0;
  padding: 1.2rem 0 0;
  margin: 1.8rem 0 0;
  border-top: 1px solid var(--mineral);
  color: var(--muted);
  font-size: 0.82rem;
  list-style: none;
}

.hero-notes li {
  display: flex;
  align-items: center;
}

.hero-notes li + li::before {
  content: "";
  width: 1px;
  height: 1rem;
  margin-inline: 1rem;
  background: var(--mineral);
}

.hero-visual {
  position: relative;
  min-height: 31rem;
  display: grid;
  place-items: center;
  isolation: isolate;
  padding: 3rem 1.5rem 4rem;
  margin: 0;
}

.hero-visual::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: 16%;
  right: 1%;
  bottom: 12%;
  left: 12%;
  background: var(--mineral-soft);
}

.hero-device {
  position: absolute;
  z-index: -1;
  top: -2rem;
  right: -4rem;
  width: min(30rem, 78%);
}

.project-sheet {
  width: min(100%, 34rem);
  padding: clamp(1.6rem, 4vw, 2.7rem);
  background: var(--paper);
  box-shadow: 1.1rem 1.1rem 0 var(--mineral-shadow);
}

.project-sheet-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--mineral);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
}

.project-sheet-kicker {
  margin: 2.4rem 0 0.85rem;
  color: var(--action);
  font-size: 0.82rem;
  font-weight: 700;
}

.project-sheet-title {
  max-width: 25rem;
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.03;
}

.project-sheet-list {
  padding: 0;
  margin: 2.5rem 0 0;
}

.project-sheet-list div {
  display: grid;
  grid-template-columns: minmax(6rem, 0.6fr) minmax(0, 1.4fr);
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--mineral);
}

.project-sheet-list dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.project-sheet-list dd {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 650;
}

.visual-caption {
  position: absolute;
  z-index: 2;
  bottom: 1.25rem;
  left: 0;
  max-width: 15rem;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: var(--ink);
  color: var(--canvas);
}

.caption-fold {
  position: relative;
  width: 1rem;
  height: 1rem;
  background: var(--action);
}

.caption-fold::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-width: 0 0.38rem 0.38rem 0;
  border-style: solid;
  border-color: transparent var(--canvas) transparent transparent;
}

.visual-caption p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.4;
}

/* Problem */
.problem {
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.8fr);
  gap: 2rem clamp(3rem, 10vw, 9rem);
}

.problem-copy {
  padding-top: 1rem;
}

.problem-copy p {
  max-width: var(--reading);
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.principle-list {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0;
  margin: clamp(3rem, 6vw, 5rem) 0 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.principle-list li {
  padding: 1.8rem clamp(1.4rem, 3vw, 2.5rem) 1.5rem 0;
}

.principle-list li + li {
  padding-left: clamp(1.4rem, 3vw, 2.5rem);
  border-left: 1px solid var(--mineral);
}

.principle-list strong {
  display: block;
  font-size: 1.45rem;
  font-weight: 650;
}

.principle-list p {
  max-width: 18rem;
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Demonstration */
.demo {
  overflow: clip;
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--paper);
}

.status-pill {
  display: inline-flex;
  margin-top: 1rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid #a9b5db;
  color: var(--action-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.demo-stage {
  display: grid;
  grid-template-columns: minmax(18rem, 0.36fr) minmax(0, 0.64fr);
  box-shadow: inset 0 0 0 1px #cfd4d6;
  background: var(--canvas);
}

.demo-sidebar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--ink);
  color: var(--canvas);
}

.demo-index {
  color: var(--action-pale);
  font-size: 0.82rem;
  font-weight: 700;
}

.demo-sidebar h3 {
  max-width: 19rem;
  margin: 3rem 0 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.03;
}

.demo-sidebar p {
  max-width: 25rem;
  margin: 1.2rem 0 1.8rem;
  color: var(--light-muted);
  font-size: 0.95rem;
}

.demo-sidebar .text-link {
  color: var(--canvas);
}

.demo-links {
  display: grid;
  gap: 1rem;
}

.demo-manifest {
  position: relative;
  min-height: 33rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(8rem, 0.28fr);
  align-items: end;
  gap: clamp(0.8rem, 2vw, 1.5rem);
  overflow: hidden;
  padding: clamp(2rem, 6vw, 5rem);
  background: var(--mineral-soft);
}

.demo-capture {
  position: relative;
  z-index: 1;
  overflow: hidden;
  margin: 0;
  border: 1px solid rgb(24 26 27 / 18%);
  background: var(--paper);
  box-shadow: 0.8rem 0.8rem 0 rgb(24 26 27 / 12%);
}

.demo-capture img {
  display: block;
  width: 100%;
  height: auto;
}

.demo-capture-mobile {
  transform: translateY(1.5rem);
}

.demo-caption {
  grid-column: 1 / -1;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.demo-evidence {
  position: relative;
  z-index: 1;
  width: min(100%, 42rem);
  padding: 0;
  margin: 0;
  background: var(--paper);
  box-shadow: 1rem 1rem 0 rgb(24 26 27 / 14%);
  list-style: none;
}

.demo-evidence li {
  display: grid;
  grid-template-columns: minmax(9rem, 0.72fr) minmax(0, 1.28fr);
  gap: 1.5rem;
  padding: 1.35rem 1.5rem;
}

.demo-evidence li + li {
  border-top: 1px solid var(--mineral);
}

.demo-evidence strong {
  font-size: 1rem;
  font-weight: 700;
}

.demo-evidence p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.mobile-inline-cta {
  display: none;
}

/* Delivery */
.delivery {
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.delivery-map {
  display: grid;
  grid-template-columns: minmax(18rem, 0.9fr) minmax(0, 1.1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--mineral);
}

.delivery-primary {
  min-height: 27rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--action);
  color: var(--white);
}

.delivery-phase {
  margin: 0 auto auto 0;
  color: #eef2ff;
  font-size: 0.85rem;
  font-weight: 700;
}

.delivery-primary h3 {
  max-width: 24rem;
  margin: 4rem 0 0;
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.03;
}

.delivery-primary > p:last-child {
  max-width: 31rem;
  margin: 1rem 0 0;
  color: #e4eaff;
}

.delivery-support {
  display: flex;
  flex-direction: column;
}

.delivery-support article {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(10rem, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.7rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--mineral);
}

.delivery-support article:last-child {
  border-bottom: 0;
}

.delivery-support h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.delivery-support p {
  max-width: 31rem;
  margin: 0;
  color: var(--muted);
}

/* Process */
.process {
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--paper);
}

.process-grid {
  display: grid;
  grid-template-columns: minmax(20rem, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(4rem, 10vw, 10rem);
}

.process-intro {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.process-intro > p:last-child {
  max-width: 34rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
}

.process-list {
  counter-reset: process-step;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.process-list li {
  counter-increment: process-step;
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  column-gap: 1rem;
  padding: 1.8rem 0 2rem;
  border-bottom: 1px solid var(--mineral);
}

.process-list li::before {
  content: counter(process-step, decimal-leading-zero);
  grid-row: 1 / span 2;
  color: var(--action);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1.85;
}

.process-list h3 {
  grid-column: 2;
  margin: 0;
  font-size: 1.45rem;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.process-list p {
  grid-column: 2;
  margin: 0.45rem 0 0;
  color: var(--muted);
}

/* Technical */
.technical {
  overflow: clip;
  padding: clamp(5rem, 9vw, 8rem) 0;
  border-bottom-color: #3c4042;
  background: var(--ink);
  color: var(--canvas);
}

.technical-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(24rem, 0.8fr);
  align-items: end;
  gap: clamp(4rem, 10vw, 10rem);
}

.technical h2 {
  max-width: 45rem;
}

.technical-grid > div > p:last-child {
  max-width: 38rem;
  margin: 1.5rem 0 0;
  color: var(--light-muted);
}

.technical-list {
  padding: 0;
  margin: 0;
  border-top: 1px solid #51575a;
  list-style: none;
}

.technical-list li {
  display: grid;
  grid-template-columns: minmax(8rem, 0.7fr) minmax(0, 1.3fr);
  gap: 1.25rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid #3f4446;
}

.technical-list strong {
  color: var(--action-pale);
  font-size: 0.9rem;
  font-weight: 700;
}

.technical-list span {
  color: #e2e4df;
  font-size: 0.95rem;
}

/* Fit */
.fit {
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--mineral);
}

.fit-grid article {
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--paper);
}

.fit-grid article + article {
  border-left: 1px solid var(--mineral);
}

.fit-grid .fit-positive {
  background: var(--action-soft);
}

.fit-label {
  margin: 0 0 2rem;
  color: var(--action);
  font-size: 0.82rem;
  font-weight: 700;
}

.fit-grid ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.fit-grid li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.6rem;
  border-bottom: 1px solid rgb(24 26 27 / 13%);
}

.fit-grid li::before {
  content: "";
  position: absolute;
  top: 1.55rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--action);
}

/* FAQ */
.faq {
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--paper);
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 0.6fr) minmax(0, 1.4fr);
  gap: clamp(4rem, 10vw, 10rem);
}

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

.faq-list details {
  border-bottom: 1px solid var(--mineral);
}

.faq-list summary {
  position: relative;
  min-height: 3.5rem;
  padding: 1.5rem 3.5rem 1.5rem 0;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 650;
  list-style: none;
  transition: color 180ms var(--ease-out);
}

.faq-list summary:hover {
  color: var(--action);
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0.25rem;
  transform: translateY(-50%);
  color: var(--action);
  font-size: 1.6rem;
  font-weight: 400;
}

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

.faq-list details p {
  max-width: 48rem;
  padding: 0 3.5rem 1.7rem 0;
  margin: 0;
  color: var(--muted);
}

/* Contact */
.contact {
  overflow: clip;
  padding: clamp(5rem, 9vw, 8rem) 0;
  border-bottom: 0;
  background: var(--action);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(23rem, 0.95fr);
  align-items: start;
  gap: clamp(3rem, 9vw, 8rem);
}

.contact-copy {
  position: sticky;
  top: 8rem;
}

.contact h2 {
  max-width: 43rem;
}

.contact-copy > p {
  max-width: 35rem;
  margin: 1.5rem 0 2rem;
  color: #dce5ff;
}

.contact-channel {
  min-height: 18rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--ink);
  color: var(--white);
}

.contact-channel-label {
  margin: 0 0 2.5rem;
  color: var(--action-pale);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-channel h3 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 650; letter-spacing: -0.03em; }
.contact-channel > p:not(.contact-channel-label) { max-width: 34rem; margin: 1.25rem 0 2rem; color: var(--light-muted); }
.contact-channel .text-link { color: var(--white); }

.privacy-summary { padding-block: clamp(4rem, 8vw, 7rem); background: var(--paper); }
.privacy-content { max-width: 58rem; }
.privacy-content h2 { max-width: 16ch; }
.privacy-content > p:not(.eyebrow) { max-width: 68ch; margin: 1.25rem 0 0; }
.privacy-content a { color: var(--action); font-weight: 700; }
.contact-alternative {
  background: var(--ink);
  color: var(--white);
}

.contact-alternative > summary {
  position: relative;
  min-height: 8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  padding: 1.6rem 4rem 1.6rem clamp(1.6rem, 4vw, 2.8rem);
  cursor: pointer;
  list-style: none;
}

.contact-alternative > summary::-webkit-details-marker {
  display: none;
}

.contact-alternative > summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%);
  color: var(--action-pale);
  font-size: 2rem;
  font-weight: 400;
}

.contact-alternative[open] > summary::after {
  content: "−";
}

.contact-alternative > summary span {
  color: var(--action-pale);
  font-size: 0.8rem;
  font-weight: 700;
}

.contact-alternative > summary strong {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.contact-form {
  padding: 0 clamp(1.6rem, 4vw, 2.8rem) clamp(1.8rem, 5vw, 3rem);
  border-top: 1px solid #3f4446;
}

#form-purpose {
  margin: 1.5rem 0 2rem;
  color: #dce5ff;
  font-size: 0.91rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.45rem;
  color: #eef2ff;
  font-size: 0.82rem;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid rgb(255 255 255 / 60%);
  border-radius: 0;
  background: rgb(255 255 255 / 9%);
  color: var(--white);
  font-size: 1rem;
  transition: border-color 180ms var(--ease-out), background 180ms var(--ease-out);
}

.field input {
  min-height: 3.2rem;
  padding: 0 0.85rem;
}

.field textarea {
  min-height: 7rem;
  padding: 0.8rem;
  resize: vertical;
}

.field input:hover,
.field textarea:hover {
  border-color: var(--white);
  background: rgb(255 255 255 / 13%);
}

.field input:focus-visible,
.field textarea:focus-visible {
  border-color: var(--white);
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--action);
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #f0dc9b;
}

.field-error {
  min-height: 1.25rem;
  margin: 0.35rem 0 0;
  color: #fff1bd;
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.35;
}

.form-status {
  min-height: 1.6rem;
  margin: 1rem 0 0;
  color: #eef2ff;
  font-size: 0.9rem;
}

/* Floating WhatsApp */
.floating-whatsapp {
  position: fixed;
  z-index: var(--z-floating);
  right: max(1.25rem, calc(env(safe-area-inset-right) + 1rem));
  bottom: max(1.25rem, calc(env(safe-area-inset-bottom) + 1rem));
  min-height: 3.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 1.15rem 0.8rem 0.9rem;
  border: 1px solid var(--action-dark);
  border-radius: 999px;
  background: var(--action);
  box-shadow: 0.45rem 0.45rem 0 rgb(24 26 27 / 18%);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(0.75rem);
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out), visibility 0s linear 180ms, background 180ms var(--ease-out);
}

.floating-whatsapp[data-visible] {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}

.floating-whatsapp[data-visible]:hover {
  background: var(--action-dark);
  transform: translateY(-2px);
}

.floating-whatsapp[data-visible]:active {
  transform: translateY(0);
}

.floating-whatsapp-icon {
  width: 1.6rem;
  height: 1.6rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.floating-whatsapp-icon path:last-child {
  stroke-width: 2.6;
}

@media (max-width: 50rem) {
  .floating-whatsapp {
    right: max(1rem, calc(env(safe-area-inset-right) + 0.75rem));
    bottom: max(1rem, calc(env(safe-area-inset-bottom) + 0.75rem));
    width: 3.5rem;
    min-width: 3.5rem;
    min-height: 3.5rem;
    justify-content: center;
    padding: 0;
    box-shadow: 0.35rem 0.35rem 0 rgb(24 26 27 / 18%);
  }

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

/* Footer */
.site-footer {
  padding: 3.2rem 0;
  background: var(--ink);
  color: var(--canvas);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 2rem;
}

.site-footer img {
  width: 7.4rem;
  filter: brightness(0) invert(1);
}

.site-footer p {
  margin: 0.7rem 0 0;
  color: var(--light-muted);
  font-size: 0.82rem;
}

.site-footer > .container > p {
  max-width: 28rem;
}

.site-footer a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
}

@media (max-width: 68rem) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .site-navigation {
    position: absolute;
    z-index: var(--z-dropdown);
    top: calc(100% + 1px);
    right: 1.5rem;
    width: min(20rem, calc(100vw - 3rem));
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 0.65rem;
    background: var(--paper);
    box-shadow: 0.65rem 0.65rem 0 var(--mineral);
  }

  .site-navigation[data-open] {
    display: flex;
  }

  .site-navigation a {
    min-height: 2.75rem;
    padding: 0.7rem 0.8rem;
  }

  .site-navigation a::after {
    display: none;
  }

  .site-navigation .mobile-navigation-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 0.35rem;
    background: var(--action);
    color: var(--white);
  }

  .menu-button {
    width: 2.9rem;
    height: 2.9rem;
    display: grid;
    align-content: center;
    gap: 0.38rem;
    justify-self: end;
    padding: 0.7rem;
    border: 1px solid var(--mineral);
    background: transparent;
  }

  .menu-button:hover {
    background: var(--paper);
  }

  .menu-button:active {
    background: var(--mineral);
  }

  .menu-button > span:not(.sr-only) {
    width: 100%;
    height: 2px;
    background: var(--ink);
  }

  .header-cta {
    display: none;
  }

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

  .hero-copy {
    max-width: 53rem;
  }

  .hero-visual {
    width: min(100%, 50rem);
    min-height: 30rem;
    margin-inline: auto;
  }

  .problem-grid,
  .process-grid,
  .technical-grid,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .problem-copy {
    max-width: 46rem;
    padding-top: 0;
  }

  .process-intro,
  .contact-copy {
    position: static;
  }

  .technical-grid,
  .contact-grid {
    gap: 3rem;
  }

  .mobile-inline-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.4rem 0 0;
    margin-top: 2rem;
    border-top: 1px solid var(--mineral);
  }

  .mobile-inline-cta p {
    margin: 0;
    font-weight: 650;
  }
}

@media (max-width: 50rem) {
  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  .prototype-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
    padding-block: 0.45rem;
    font-size: 0.8rem;
    text-align: left;
  }

  .header-inner {
    min-height: 4.6rem;
  }

  .brand-link {
    width: 7.6rem;
  }

  .split-heading,
  .demo-stage,
  .delivery-map,
  .fit-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .split-heading {
    align-items: start;
    gap: 1.2rem;
  }

  .split-heading > div:last-child > p,
  .split-heading > p {
    margin-top: 0;
  }

  .hero {
    padding-top: 3.25rem;
  }

  .hero-copy h1 span {
    font-size: clamp(2.7rem, 12.5vw, 4.2rem);
  }

  .hero-copy h1 em {
    font-size: clamp(2.9rem, 13.4vw, 4.45rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 0.8rem;
  }

  .hero-actions .text-link {
    justify-content: center;
    text-align: center;
  }

  .hero-notes {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.55rem;
  }

  .hero-notes li::before {
    content: "";
    width: 0.35rem;
    height: 0.35rem;
    flex: 0 0 auto;
    margin: 0 0.75rem 0 0;
    background: var(--action);
  }

  .hero-notes li + li::before {
    width: 0.35rem;
    height: 0.35rem;
    margin: 0 0.75rem 0 0;
    background: var(--action);
  }

  .hero-visual {
    min-height: 27rem;
    padding-inline: 0.5rem;
  }

  .hero-visual::before {
    right: -1rem;
    left: 1.5rem;
  }

  .hero-device {
    top: 0;
    right: -2.5rem;
    width: 18rem;
  }

  .project-sheet {
    width: 94%;
    padding: 1.5rem;
    box-shadow: 0.75rem 0.75rem 0 var(--mineral-shadow);
  }

  .project-sheet-header {
    font-size: 0.8125rem;
  }

  .project-sheet-title {
    font-size: clamp(1.65rem, 8vw, 2.25rem);
  }

  .project-sheet-list {
    margin-top: 1.8rem;
  }

  .visual-caption {
    bottom: 1rem;
    left: 0.25rem;
  }

  .problem,
  .demo,
  .delivery,
  .process,
  .technical,
  .fit,
  .faq,
  .contact {
    padding-block: 4.5rem;
  }

  .principle-list {
    grid-template-columns: 1fr;
  }

  .principle-list li {
    padding: 1.3rem 0;
  }

  .principle-list li + li {
    padding-left: 0;
    border-top: 1px solid var(--mineral);
    border-left: 0;
  }

  .demo-sidebar {
    min-height: 0;
    padding: 2rem;
  }

  .demo-sidebar h3 {
    margin-top: 2rem;
  }

  .demo-manifest {
    min-height: 0;
    padding: 1.5rem;
  }

  .demo-evidence {
    box-shadow: 0.75rem 0.75rem 0 rgb(24 26 27 / 14%);
  }

  .demo-evidence li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
    padding: 1.2rem;
  }

  .mobile-inline-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .delivery-primary {
    min-height: 20rem;
    padding: 2rem;
  }

  .delivery-support article {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    padding: 1.5rem 0;
  }

  .technical-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .fit-grid article + article {
    border-top: 1px solid var(--mineral);
    border-left: 0;
  }

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

  .contact-alternative > summary {
    min-height: 7rem;
  }

  .footer-grid {
    align-items: start;
  }

  .site-footer p,
  .site-footer a,
  .field-error {
    font-size: 0.875rem;
  }
}

@media (max-width: 37.5rem) {
  .prototype-bar {
    min-height: 2rem;
    padding-block: 0.35rem;
  }

  .prototype-bar p {
    display: none;
  }

  .header-inner {
    min-height: 4.25rem;
  }

  .brand-link {
    width: 6.9rem;
  }

  .menu-button {
    width: 2.75rem;
    height: 2.75rem;
  }

  .hero {
    padding-top: 1.75rem;
    padding-bottom: 3.75rem;
  }

  .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .hero-copy,
  .hero-actions {
    display: contents;
  }

  .hero-copy .eyebrow {
    order: 1;
    margin-bottom: 0.75rem;
  }

  .hero-label-wide,
  .hero-lead-wide {
    display: none;
  }

  .hero-label-compact,
  .hero-lead-compact {
    display: inline;
  }

  .hero-copy h1 {
    order: 2;
  }

  .hero-lead {
    order: 3;
    max-width: 32rem;
    margin-top: 1.25rem;
    font-size: 1.0625rem;
    line-height: 1.5;
  }

  .hero-actions .button {
    order: 4;
    width: 100%;
    margin-top: 1.5rem;
  }

  .hero-visual {
    order: 5;
    width: 100%;
    min-height: 9.75rem;
    height: 9.75rem;
    margin-top: 1.2rem;
    padding: 0;
    overflow: clip;
    place-items: initial;
  }

  .hero-visual::before {
    inset: 0 0 0 26%;
  }

  .hero-device {
    top: -2.6rem;
    right: -1rem;
    width: 9.5rem;
  }

  .project-sheet {
    position: absolute;
    top: 1rem;
    left: 0;
    width: calc(100% - 2.5rem);
    padding: 1rem 1.1rem;
    box-shadow: 0.55rem 0.55rem 0 var(--mineral-shadow);
  }

  .project-sheet-header,
  .project-sheet-list,
  .visual-caption {
    display: none;
  }

  .project-sheet-kicker {
    margin: 0 0 0.35rem;
    font-size: 0.72rem;
  }

  .project-sheet-title {
    max-width: 16rem;
    font-size: clamp(1.3rem, 6.5vw, 1.65rem);
    line-height: 1.02;
  }

  .hero-actions .text-link {
    order: 6;
    justify-content: center;
    margin-top: 0.85rem;
    text-align: center;
  }

  .hero-notes {
    order: 7;
    width: 100%;
    margin-top: 1.2rem;
    padding-top: 1rem;
  }
}

@media (max-width: 27rem) {
  .hero-copy h1 span {
    font-size: 2.5rem;
  }

  .hero-copy h1 em {
    font-size: 2.7rem;
  }

  .project-sheet-header span:last-child {
    display: none;
  }

  .project-sheet-list div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .visual-caption {
    position: relative;
    bottom: auto;
    left: auto;
    margin-top: 1.5rem;
  }
}

@media (max-width: 21rem) {
  .hero-copy h1 span {
    font-size: 2.3rem;
  }

  .hero-copy h1 em {
    font-size: 2.5rem;
  }

  .hero-lead {
    margin-top: 1rem;
    font-size: 1rem;
    line-height: 1.45;
  }

  .hero-actions .button {
    margin-top: 1.25rem;
  }

  .hero-visual {
    margin-top: 0.85rem;
  }
}

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

/* Conceptual project portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.project-card {
  min-width: 0;
  border: 1px solid #cfd4d6;
  background: var(--canvas);
}

.project-copy {
  display: flex;
  min-height: 21rem;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(2rem, 4vw, 3.5rem);
  background: var(--ink);
  color: var(--canvas);
}

.project-card-traco .project-copy {
  background: #112b32;
}

.project-copy .demo-index {
  color: var(--action-pale);
}

.project-card-traco .project-copy .demo-index {
  color: #afc3c6;
}

.project-copy h3 {
  max-width: 19rem;
  margin: auto 0 0;
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1;
}

.project-copy > p {
  max-width: 30rem;
  margin: 1.1rem 0 1.6rem;
  color: var(--light-muted);
}

.project-copy .text-link {
  color: var(--canvas);
}

.project-visual {
  position: relative;
  display: grid;
  min-height: 28rem;
  grid-template-columns: minmax(0, 1fr) minmax(6.5rem, 0.25fr);
  align-items: end;
  gap: clamp(0.75rem, 1.8vw, 1.25rem);
  overflow: clip;
  padding: clamp(1.5rem, 3vw, 3rem);
  background: var(--mineral-soft);
}

.project-card-traco .project-visual {
  background: #d7e0df;
}

.project-visual .demo-capture {
  box-shadow: 0.65rem 0.65rem 0 rgb(24 26 27 / 12%);
}

.project-visual .demo-capture-mobile {
  transform: translateY(1rem);
}

.project-visual .demo-caption {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
}

@media (max-width: 68rem) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .project-card {
    display: grid;
    grid-template-columns: minmax(18rem, 0.38fr) minmax(0, 0.62fr);
  }

  .project-copy {
    min-height: 30rem;
  }
}

@media (max-width: 50rem) {
  .project-card {
    grid-template-columns: 1fr;
  }

  .project-copy {
    min-height: 19rem;
    padding: 2rem;
  }

  .project-copy h3 {
    margin-top: 2rem;
  }

  .project-visual {
    min-height: 23rem;
    padding: 1.5rem;
  }
}

@media (max-width: 37.5rem) {
  .portfolio-grid {
    gap: 1rem;
  }

  .project-copy {
    min-height: 20rem;
  }

  .project-visual {
    min-height: 18rem;
    grid-template-columns: minmax(0, 1fr) 5.3rem;
    align-items: center;
    padding: 1rem;
  }

  .project-visual .demo-caption {
    margin: 0;
    font-size: 0.68rem;
  }
}