:root {
  --paper: #f7f3ec;
  --paper-2: #efe8da;
  --ink: #23211d;
  --ink-soft: #5a554c;
  --river: #1c5c86;
  --river-deep: #143c56;
  --sun: #e0742b;
  --sun-light: #ffb079;
  --light-blue: #c4d4df;
  --rule: #d8cdb6;
  --rule-dark: rgba(247, 243, 236, 0.24);
  --max: 1480px;
  --gutter: clamp(22px, 4vw, 56px);
  --header-height: 84px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body,
button,
input,
select,
textarea {
  font-size: 16px;
}

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

h1,
h2,
h3 {
  margin-bottom: 0;
  font-family: 'Saira Condensed', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0.01em;
}

p {
  margin-bottom: 1rem;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: var(--sun);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--sun);
}

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

button {
  border-radius: 0;
}

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

:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 4px;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: clamp(22px, 4vw, 56px);
}

.wrap.bleed {
  max-width: none;
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
}

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

.hp-field {
  position: absolute !important;
  left: -9999px;
  top: -9999px;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  color: #fff;
}

.site-header::before {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  left: 0;
  height: 140px;
  background: linear-gradient(180deg, rgba(11, 31, 58, 0.92) 0%, rgba(20, 60, 86, 0.52) 44%, rgba(20, 60, 86, 0) 100%);
  content: '';
  opacity: 1;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.site-header.scrolled::before {
  opacity: 1;
}

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

.brand {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}

.brand-logo {
  width: auto;
  max-width: 230px;
  height: 58px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand:hover .brand-logo {
  transform: translateY(-1px);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 34px);
  margin-left: auto;
}

.primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 1px;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--sun);
  content: '';
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.primary-nav a:hover::after,
.primary-nav a[aria-current='page']::after {
  transform: scaleX(1);
}

.menu-btn {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 7px;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
  line-height: 0;
}

.toolbox-catalogue {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--river-deep);
  color: var(--paper);
}

.toolbox-catalogue::before,
.toolbox-catalogue::after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: clamp(480px, 42vw, 620px);
  pointer-events: none;
  content: '';
}

.toolbox-catalogue::before {
  z-index: 0;
  background: linear-gradient(100deg, rgba(20, 60, 86, 0.84) 0%, rgba(20, 60, 86, 0.5) 40%, rgba(20, 60, 86, 0.1) 70%, rgba(224, 116, 43, 0.08) 100%), url('../img/hero-poster.jpg') center / cover;
}

.toolbox-catalogue::after {
  z-index: 1;
  background: linear-gradient(to top, var(--river-deep) 0%, rgba(20, 60, 86, 0) 50%);
}

.toolbox-intro,
.toolbox-products {
  position: relative;
  z-index: 2;
}

.toolbox-intro {
  display: flex;
  align-items: end;
  min-height: 420px;
  padding: 152px 0 76px;
}

.intro-content {
  width: 100%;
}

.toolbox-intro h1 {
  max-width: 10ch;
  color: #fff;
  font-size: clamp(60px, 9vw, 112px);
  text-transform: uppercase;
}

.toolbox-copy {
  max-width: none;
}

.toolbox-lead {
  max-width: none;
  margin: 22px 0 0;
  color: var(--light-blue);
  font-size: clamp(18px, 1.7vw, 23px);
  line-height: 1.5;
}

.toolbox-lead + .toolbox-lead {
  margin-top: 22px;
}

.toolbox-products {
  padding: 88px 0;
}

.product-list {
  display: grid;
  gap: 34px;
}

.toolbox-product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 5vw, 84px);
  align-items: start;
  padding: 28px 0 4px;
}

.toolbox-product-main {
  min-width: 0;
}

.product-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.product-state {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin: 0;
  padding: 4px 0;
  color: var(--sun-light);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
}

.product-title {
  margin: 0;
  color: #fff;
  font-size: clamp(38px, 4.3vw, 58px);
  text-transform: none;
}

.product-title a {
  text-decoration: none;
}

.product-title a:hover {
  color: #fff;
}

.product-description {
  max-width: 66ch;
  margin: 16px 0 0;
  color: var(--light-blue);
  font-size: 17px;
}

.toolbox-product-actions {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding-top: 7px;
}

.toolbox-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 18px 12px 20px;
  border: 2px solid transparent;
  border-radius: 3px;
  background: var(--sun);
  color: #fff;
  box-shadow: 0 10px 22px -12px rgba(224, 116, 43, 0.8);
  cursor: pointer;
  font-family: 'Saira Condensed', 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: background 0.18s ease, transform 0.18s ease;
  white-space: nowrap;
}

.toolbox-button svg {
  flex: 0 0 auto;
  transition: transform 0.18s ease;
}

.toolbox-button:hover {
  background: #c9621f;
  color: #fff;
  transform: translateY(-2px);
}

.toolbox-button:hover svg,
.toolbox-button:focus-visible svg {
  transform: translateX(3px);
}

.toolbox-button:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 4px;
}

.toolbox-button:disabled,
.toolbox-button:disabled:hover {
  cursor: wait;
  opacity: 0.62;
  transform: none;
}

.catalogue-link {
  min-width: 176px;
}

footer {
  padding: 26px 0;
  background: #10222f;
  color: #b9c8d2;
}

.foot-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 0;
  color: #7f97a5;
  font-size: 12.5px;
}

.foot-bottom .mono {
  letter-spacing: 0.04em;
}

.product-catalogue {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--river-deep);
  color: var(--paper);
}

.product-catalogue::before,
.product-catalogue::after {
  position: absolute;
  inset: 0 0 auto;
  height: clamp(480px, 42vw, 620px);
  content: '';
  pointer-events: none;
}

.product-catalogue::before {
  z-index: 0;
  background: linear-gradient(100deg, rgba(20, 60, 86, .84) 0%, rgba(20, 60, 86, .5) 40%, rgba(20, 60, 86, .1) 70%, rgba(224, 116, 43, .08) 100%), url('../img/hero-poster.jpg') center / cover;
}

.product-catalogue::after {
  z-index: 1;
  background: linear-gradient(to top, var(--river-deep) 0%, rgba(20, 60, 86, 0) 50%);
}

.product-hero,
.about-section {
  position: relative;
  z-index: 2;
  background: transparent;
}

.product-hero {
  position: relative;
  padding-top: calc(var(--header-height) + 44px);
  padding-bottom: clamp(62px, 7vw, 94px);
  color: var(--paper);
}

.product-hero > .wrap {
  position: relative;
  z-index: 1;
}

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--light-blue);
  font-size: 15px;
}

.back-link:hover {
  color: #fff;
}

.product-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 5vw, 84px);
  align-items: end;
  margin-top: 42px;
}

.product-hero h1 {
  margin-top: 12px;
  color: #fff;
  font-size: clamp(64px, 9vw, 112px);
  text-transform: none;
}

.product-lead {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--light-blue);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.5;
}

.prototype-cta {
  margin-bottom: 4px;
}

.product-section {
  padding: clamp(72px, 8vw, 108px) 0;
}

.about-section {
  color: var(--paper);
}

.product-section-grid {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  gap: 42px clamp(28px, 4vw, 56px);
  align-items: start;
}

.section-heading {
  max-width: 520px;
}

.section-heading h2 {
  color: var(--river-deep);
  font-family: 'Saira Condensed', 'Inter', sans-serif;
  font-size: clamp(40px, 4.5vw, 60px);
  line-height: 1.02;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.feedback-copy h2 {
  color: var(--river-deep);
  font-size: clamp(44px, 5vw, 68px);
  text-transform: none;
}

.about-section .section-heading h2 {
  color: #fff;
}

.section-content {
  max-width: none;
  color: var(--ink-soft);
  font-size: 17px;
}

.about-section .section-content {
  max-width: 88ch;
  color: var(--light-blue);
}

.section-content p:last-child {
  margin-bottom: 0;
}

.roadmap-section {
  background: var(--paper-2);
}

.roadmap-heading {
  max-width: 840px;
}

.roadmap-intro {
  max-width: 68ch;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.story-map {
  margin-top: 52px;
}

.story-map-backbone,
.story-slice-grid {
  display: grid;
  grid-template-columns: minmax(148px, 0.78fr) repeat(5, minmax(0, 1fr));
  gap: 0 12px;
}

.story-map-backbone {
  align-items: stretch;
}

.story-map-rail {
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 8px;
  padding: 18px 14px 12px 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.35;
}

.story-map-key {
  color: var(--river-deep);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.story-activity {
  min-width: 0;
  min-height: 120px;
  padding: 16px 14px 18px;
  border-top: 3px solid var(--river-deep);
  border-right: 1px solid rgba(20, 60, 86, 0.2);
  background: rgba(20, 60, 86, 0.045);
}

.story-activity:last-child {
  border-right: 0;
}

.story-activity h3 {
  color: var(--river-deep);
  font-size: clamp(22px, 2vw, 30px);
  text-transform: none;
}

.story-activity p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.45;
}

.story-slice {
  margin-top: 12px;
  padding: 18px 0 20px;
}

.story-slice-primary {
  background: rgba(20, 60, 86, 0.045);
}

.story-slice-grid {
  align-items: stretch;
}

.story-slice-label {
  min-width: 0;
  padding: 2px 16px 0 0;
  border-left: 3px solid transparent;
}

.story-slice-primary .story-slice-label {
  padding-left: 12px;
  border-left-color: var(--sun);
}

.story-slice-label h3 {
  color: var(--river-deep);
  font-size: clamp(24px, 2.3vw, 34px);
  text-transform: none;
}

.story-slice-label p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.4;
}

.story-column {
  min-width: 0;
  padding: 0 12px;
  border-left: 1px dashed rgba(20, 60, 86, 0.25);
}

.story-column.is-empty {
  min-height: 48px;
}

.story-items {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.story-item {
  padding: 10px 12px;
  border: 1px solid rgba(20, 60, 86, 0.24);
  border-radius: 4px;
  background: #fffdf8;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.35;
}

.story-item-focus {
  border-color: var(--sun);
  background: rgba(224, 116, 43, 0.08);
}

.release-cut {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0 8px;
  color: var(--sun);
}

.release-cut::before {
  flex: 1 1 auto;
  height: 2px;
  background: var(--sun);
  content: '';
}

.release-cut span {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.story-map-note {
  max-width: 72ch;
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.feedback-section {
  background: var(--river-deep);
  color: var(--paper);
}

.feedback-inner {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: 44px clamp(44px, 8vw, 120px);
  align-items: start;
}

.feedback-copy {
  max-width: 520px;
}

.feedback-copy h2 {
  color: #fff;
}

.feedback-copy > p:last-child {
  max-width: 46ch;
  margin: 22px 0 0;
  color: var(--light-blue);
  font-size: 17px;
}

.feedback-form {
  padding: clamp(24px, 3.5vw, 40px);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.5);
}

.feedback-form h3 {
  color: var(--river-deep);
  font-size: clamp(30px, 3vw, 42px);
  text-transform: none;
}

.feedback-form > label,
.feedback-context label {
  display: block;
}

.feedback-form > label {
  margin-top: 18px;
}

.feedback-context {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.feedback-form label span {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feedback-form input,
.feedback-form select,
.feedback-form textarea {
  display: block;
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: #fffdf8;
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  padding: 11px 13px;
}

.feedback-form input[readonly] {
  background: var(--paper-2);
  color: var(--ink-soft);
}

.feedback-form textarea {
  min-height: 128px;
  resize: vertical;
}

.feedback-form input:focus,
.feedback-form select:focus,
.feedback-form textarea:focus {
  outline: none;
  border-color: var(--sun);
  box-shadow: 0 0 0 3px rgba(224, 116, 43, 0.18);
}

.feedback-form input:invalid:not(:placeholder-shown),
.feedback-form select:invalid,
.feedback-form textarea:invalid:not(:placeholder-shown) {
  border-color: #ad4a23;
}

.feedback-submit {
  margin-top: 22px;
}

.feedback-status {
  min-height: 24px;
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.feedback-status.is-confirmed {
  color: var(--river-deep);
}

.feedback-status.is-pending {
  color: var(--river);
}

.feedback-status.is-validation,
.feedback-status.is-error {
  color: #8c351c;
}

@media (max-width: 1080px) {
  .primary-nav {
    gap: 16px;
  }

  .primary-nav a {
    font-size: 15px;
  }

  .story-map-backbone,
  .story-slice-grid {
    grid-template-columns: minmax(132px, 0.8fr) repeat(5, minmax(0, 1fr));
    gap: 0 8px;
  }

  .story-activity {
    padding-inline: 10px;
  }

  .story-column {
    padding-inline: 8px;
  }
}

@media (max-width: 960px) {
  .toolbox-product,
  .product-hero-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
  }

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

  .story-map-rail {
    grid-column: 1 / -1;
    padding: 0 0 6px;
  }

  .story-slice {
    padding-block: 22px;
  }

  .story-slice-grid {
    display: block;
  }

  .story-slice-label {
    margin-bottom: 16px;
    padding: 0;
  }

  .story-slice-primary .story-slice-label {
    padding-left: 12px;
  }

  .story-column {
    padding: 0;
    border-left: 0;
  }

  .story-column + .story-column {
    margin-top: 10px;
  }

  .story-column.is-empty {
    display: none;
  }

  .product-section-grid,
  .feedback-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 76px;
  }

  .toolbox-intro {
    min-height: 380px;
    padding-top: 132px;
  }

  .brand-logo {
    height: 50px;
    max-width: 205px;
  }

  body.js-ready .nav-inner {
    position: relative;
  }

  body.js-ready .primary-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    margin: 0;
    padding: 6px clamp(22px, 4vw, 56px) 20px;
    background: rgba(20, 60, 86, 0.99);
  }

  body.js-ready .site-header.nav-open .primary-nav {
    display: flex;
  }

  body.js-ready .primary-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 18px;
  }

  body.js-ready .primary-nav a::after {
    display: none;
  }

  body.js-ready .menu-btn {
    display: block;
  }

  body:not(.js-ready) .nav-inner {
    flex-direction: column;
    align-items: stretch;
    padding-top: 10px;
    padding-bottom: 14px;
  }

  body:not(.js-ready) .brand {
    min-height: 52px;
  }

  body:not(.js-ready) .primary-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0 18px;
    margin: 8px 0 0;
  }

  body:not(.js-ready) .primary-nav a {
    min-height: 40px;
    padding: 6px 0;
  }

  body:not(.js-ready) .menu-btn {
    display: none;
  }

  body:not(.js-ready) .toolbox-intro,
  body:not(.js-ready) .product-hero {
    padding-top: 250px;
  }

  .toolbox-product-actions {
    padding-top: 7px;
  }
}

@media (max-width: 600px) {
  .toolbox-intro {
    min-height: 350px;
    padding-top: 116px;
    padding-bottom: 62px;
  }

  .toolbox-intro h1 {
    font-size: clamp(58px, 17vw, 86px);
  }

  .product-hero h1 {
    font-size: clamp(60px, 17vw, 88px);
  }

  .toolbox-lead {
    margin-top: 18px;
    font-size: 17px;
  }

  .toolbox-lead + .toolbox-lead {
    margin-top: 18px;
  }

  .toolbox-products {
    padding-top: 68px;
    padding-bottom: 76px;
  }

  .toolbox-product,
  .product-hero-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .toolbox-product {
    padding-top: 24px;
  }

  .product-title-row {
    align-items: flex-start;
    gap: 10px 14px;
  }

  .product-title {
    font-size: clamp(36px, 12vw, 50px);
  }

  .product-state {
    min-height: 28px;
    font-size: 11px;
  }

  .product-description {
    margin-top: 12px;
    font-size: 15px;
  }

  .toolbox-product-actions {
    align-items: flex-start;
    justify-content: flex-start;
    padding-top: 0;
  }

  .toolbox-button {
    min-height: 46px;
    padding: 10px 14px;
    font-size: 17px;
  }

  .product-hero {
    padding-top: calc(var(--header-height) + 28px);
    padding-bottom: 72px;
  }

  .product-hero-grid {
    margin-top: 34px;
  }

  .prototype-cta {
    justify-self: start;
    margin-bottom: 0;
  }

  .product-section {
    padding-top: 68px;
    padding-bottom: 76px;
  }

  .section-heading h2 {
    font-size: clamp(40px, 14vw, 60px);
  }

  .section-content,
  .roadmap-intro,
  .feedback-copy > p:last-child {
    font-size: 16px;
  }

  .story-map {
    margin-top: 40px;
  }

  .story-map-backbone {
    grid-template-columns: 1fr;
  }

  .story-map-rail {
    grid-column: auto;
  }

  .story-activity {
    min-height: 0;
    padding: 14px 12px 16px;
  }

  .story-activity h3 {
    font-size: 26px;
  }

  .story-activity p {
    margin-top: 8px;
  }

  .story-slice {
    padding-block: 18px;
  }

  .story-slice-label h3 {
    font-size: 30px;
  }

  .story-item {
    font-size: 14px;
  }

  .release-cut {
    margin-block: 3px 6px;
  }

  .feedback-context {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .feedback-form {
    padding: 24px 20px;
  }

  .feedback-submit {
    width: 100%;
  }

  .foot-bottom {
    display: grid;
    gap: 8px;
    font-size: 11px;
  }
}

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

  .brand-logo,
  .primary-nav a::after,
  .toolbox-button,
  .toolbox-button svg,
  .site-header::before {
    transition: none;
  }

  .toolbox-button:hover,
  .toolbox-button:hover svg,
  .toolbox-button:focus-visible svg,
  .brand:hover .brand-logo {
    transform: none;
  }
}