:root {
  color-scheme: light;
  --blue: #2f80ed;
  --blue-soft: #edf4fd;
  --ink: #050505;
  --line: #2f80ed;
  --container: 1800px;
  --pad: clamp(22px, 3.1vw, 60px);
  font-family: "Trebuchet MS", "Arial", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  overflow-x: hidden;
}

.desktop-reference {
  display: none;
}

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

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

button,
input {
  font: inherit;
}

.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;
}

.site-header {
  width: min(calc(100% - 120px), var(--container));
  height: 122px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 54px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 11px;
  color: #fff;
  background: var(--blue);
  font-size: 26px;
  transform: rotate(45deg);
}

.brand-mark span {
  transform: rotate(-45deg);
}

.brand-name {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(30px, 3.3vw, 66px);
  font-size: 22px;
}

.main-nav a {
  transition: color 180ms ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--blue);
}

.header-actions {
  display: flex;
  gap: 20px;
}

.outline-action,
.language {
  min-height: 54px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #aeb4bb;
  background: #fff;
  font-size: 21px;
  clip-path: polygon(8% 0, 92% 0, 100% 18%, 100% 82%, 92% 100%, 0 100%, 0 0);
}

.language {
  cursor: pointer;
}

.menu-toggle {
  display: none;
}

.section-frame,
.page-section {
  width: min(calc(100% - 120px), var(--container));
  margin-inline: auto;
}

.hero {
  min-height: 800px;
  position: relative;
  display: flex;
  align-items: center;
  color: #fff;
  background: #000 url("./assets/pdf-image-09.webp") center / cover no-repeat;
  clip-path: polygon(2.8% 0, 100% 0, 100% 93.5%, 97.2% 100%, 0 100%, 0 6%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.96) 0%, rgba(0, 0, 0, 0.88) 30%, rgba(0, 0, 0, 0.12) 68%, rgba(0, 0, 0, 0) 100%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding-left: 100px;
}

.hero h1,
.page-section h2,
.contact-shell h2 {
  margin: 0;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 1.14;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(48px, 4vw, 76px);
}

.hero p {
  margin: 36px 0 48px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.18;
}

.primary-button {
  width: 400px;
  height: 106px;
  display: inline-flex;
  align-items: center;
  padding-left: 50px;
  background: var(--blue);
  font-size: 30px;
  font-weight: 700;
  clip-path: polygon(5% 0, 100% 0, 100% 80%, 95% 100%, 0 100%, 0 20%);
  transition: filter 180ms ease, transform 180ms ease;
}

.primary-button:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.page-section {
  padding-top: 98px;
}

.page-section > h2 {
  font-size: clamp(44px, 3.4vw, 66px);
}

.catalog-grid {
  margin-top: 62px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 78px 18px;
}

.catalog-card {
  min-width: 0;
}

.catalog-visual {
  height: 482px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line);
  clip-path: polygon(6% 0, 100% 0, 100% 90%, 94% 100%, 0 100%, 0 10%);
}

.catalog-visual img {
  width: 86%;
  height: 82%;
  object-fit: contain;
}

.catalog-card p {
  width: 86%;
  min-height: 132px;
  margin: -76px auto 0;
  position: relative;
  z-index: 1;
  padding: 36px 58px;
  display: flex;
  align-items: center;
  border: 2px solid var(--line);
  background: var(--blue-soft);
  font-size: 29px;
  font-weight: 700;
  line-height: 1.25;
  clip-path: polygon(3% 0, 100% 0, 100% 85%, 97% 100%, 0 100%, 0 15%);
}

.aircraft-detail {
  padding-top: 142px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 18px;
}

.detail-copy {
  padding-right: clamp(22px, 3vw, 58px);
}

.detail-copy h2 {
  margin-bottom: 34px;
  font-size: clamp(42px, 3.3vw, 64px);
}

.detail-copy p {
  margin: 0 0 24px;
  font-size: 28px;
  line-height: 1.3;
}

.crew {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  margin-top: 34px;
}

.crew span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 27px;
  font-weight: 800;
}

.crew span::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--blue);
}

.image-panel {
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 2px solid var(--line);
  clip-path: polygon(6% 0, 100% 0, 100% 100%, 8% 100%, 0 90%, 0 0);
}

.image-panel img {
  width: 95%;
  height: 88%;
  object-fit: contain;
}

.platform-panel img {
  width: 130%;
  max-width: none;
}

.photo-panel {
  align-self: stretch;
}

.photo-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stats-grid,
.profit-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stat {
  min-height: 232px;
  padding: 46px 58px 34px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  border: 2px solid var(--line);
  background: var(--blue-soft);
  clip-path: polygon(10% 0, 100% 0, 100% 82%, 90% 100%, 0 100%, 0 18%);
}

.stat strong {
  color: var(--blue);
  font-size: clamp(42px, 3vw, 58px);
  line-height: 1;
  white-space: nowrap;
}

.stat small {
  font-size: 0.52em;
}

.stat span {
  margin-top: 28px;
  font-size: 27px;
  font-weight: 800;
  line-height: 1.18;
}

.detail-link {
  min-height: 138px;
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  border: 2px solid #111;
  font-size: 30px;
  font-weight: 800;
  clip-path: polygon(1.7% 0, 100% 0, 100% 77%, 98.3% 100%, 0 100%, 0 23%);
}

.detail-link span {
  font-size: 44px;
  font-weight: 400;
  transition: transform 180ms ease;
}

.detail-link:hover span {
  transform: translateX(12px);
}

.impact h2 {
  max-width: 1760px;
}

.section-lead {
  margin: 34px 0 50px;
  font-size: 28px;
  line-height: 1.35;
}

.impact-photo {
  min-height: 640px;
  padding: 42px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
  gap: 24px;
  background: url("./assets/pdf-image-03.webp") center / cover no-repeat;
  clip-path: polygon(3% 0, 100% 0, 100% 92%, 97% 100%, 0 100%, 0 8%);
}

.impact-note {
  min-height: 178px;
  padding: 40px 58px;
  display: flex;
  align-items: center;
  background: #fff;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
  clip-path: polygon(4% 0, 100% 0, 100% 86%, 96% 100%, 0 100%, 0 14%);
}

.implementation-photo {
  min-height: 610px;
  margin-top: 54px;
  padding: 54px 42px;
  background: url("./assets/pdf-image-05.webp") center / cover no-repeat;
  clip-path: polygon(3% 0, 100% 0, 100% 92%, 97% 100%, 0 100%, 0 8%);
}

.duration-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.duration-grid article {
  min-height: 238px;
  padding: 42px 58px;
  display: flex;
  flex-direction: column;
  background: #fff;
  clip-path: polygon(7% 0, 100% 0, 100% 88%, 93% 100%, 0 100%, 0 12%);
}

.duration-grid strong {
  color: var(--blue);
  font-size: 45px;
  white-space: nowrap;
}

.duration-grid span {
  margin-top: 24px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
}

.funding-steps,
.roadmap ol {
  margin: 72px 0 0;
  padding: 0 0 0 56px;
  list-style: none;
  position: relative;
}

.funding-steps::before,
.roadmap ol::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50px;
  bottom: 80px;
  width: 3px;
  background: var(--blue);
}

.funding-steps li {
  min-height: 170px;
  margin-bottom: 26px;
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  border: 2px solid var(--line);
  clip-path: polygon(2.3% 0, 100% 0, 100% 77%, 97.7% 100%, 0 100%, 0 23%);
}

.funding-steps li::before,
.roadmap li::before {
  content: "";
  position: absolute;
  left: -65px;
  width: 16px;
  height: 16px;
  border: 3px solid var(--blue);
  background: #fff;
}

.funding-steps span {
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: var(--blue-soft);
  border-right: 2px solid var(--line);
  font-size: 72px;
}

.funding-steps p {
  margin: 0;
  padding: 32px 48px;
  font-size: 27px;
  line-height: 1.3;
}

.requirement-grid {
  margin: 56px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 68px;
}

.requirement-grid p {
  margin: 0;
  padding-left: 24px;
  border-left: 3px solid var(--blue);
  font-size: 27px;
  font-weight: 700;
  line-height: 1.35;
}

.budget-photo {
  min-height: 620px;
  padding: 44px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 36px;
  background: url("./assets/pdf-image-04.webp") center / cover no-repeat;
  clip-path: polygon(3% 0, 100% 0, 100% 92%, 97% 100%, 0 100%, 0 8%);
}

.budget-card {
  min-height: 310px;
  padding: 52px 70px;
  display: flex;
  flex-direction: column;
  background: #fff;
  clip-path: polygon(5% 0, 100% 0, 100% 86%, 95% 100%, 0 100%, 0 14%);
}

.budget-card strong {
  color: var(--blue);
  font-size: 54px;
}

.budget-card span {
  margin-top: 22px;
  font-size: 31px;
  font-weight: 700;
  line-height: 1.25;
}

.profit-group {
  margin-top: 60px;
}

.profit-group h3 {
  margin: 0 0 34px;
  font-size: clamp(36px, 3vw, 56px);
  font-weight: 500;
}

.profit-grid {
  margin-top: 0;
}

.profit-grid .stat {
  min-height: 205px;
  padding: 42px 58px 30px;
}

.profit-grid .stat strong {
  font-size: clamp(38px, 2.7vw, 52px);
}

.profit-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 440px));
}

.profit-notes {
  margin-top: 54px;
  font-size: 26px;
  line-height: 1.45;
}

.contacts {
  padding-top: 88px;
}

.contact-shell {
  padding: 76px 92px;
  border: 1px solid #bbb;
  clip-path: polygon(3% 0, 100% 0, 100% 92%, 97% 100%, 0 100%, 0 8%);
}

.contact-shell h2 {
  font-size: clamp(42px, 3.5vw, 68px);
}

.contact-shell > p {
  max-width: 1350px;
  margin: 20px 0 42px;
  font-size: 27px;
  line-height: 1.35;
}

.contact-grid {
  display: grid;
  grid-template-columns: 2fr 0.9fr;
  gap: 86px;
}

.contact-form {
  display: grid;
  gap: 22px;
}

.contact-form input {
  width: 100%;
  min-height: 96px;
  padding: 0 48px;
  border: 1px solid #aaa;
  background: #fff;
  font-size: 28px;
}

.contact-form button {
  width: 448px;
  min-height: 126px;
  border: 1px solid #aaa;
  background: #fff;
  cursor: pointer;
  font-size: 27px;
}

.form-status {
  min-height: 26px;
  margin: 0;
  color: var(--blue);
  font-size: 20px;
}

.contact-info h3 {
  margin: 0 0 4px;
  font-size: 40px;
  text-transform: uppercase;
}

.contact-info a {
  color: #4aa9d5;
  font-size: 30px;
}

.contact-info p {
  margin: 28px 0;
  font-size: 29px;
  line-height: 1.2;
}

.support-line {
  display: flex;
  gap: 20px;
  align-items: center;
}

.support-line span {
  font-size: 58px;
}

.roadmap {
  padding-bottom: 110px;
}

.roadmap ol {
  margin-top: 66px;
}

.roadmap li {
  min-height: 136px;
  margin-bottom: 28px;
  position: relative;
  display: grid;
  grid-template-columns: 560px 1fr;
  align-items: stretch;
  border: 2px solid var(--line);
  clip-path: polygon(2.3% 0, 97.7% 0, 100% 23%, 100% 100%, 2.3% 100%, 0 77%, 0 23%);
}

.roadmap strong {
  padding: 24px 54px;
  display: flex;
  align-items: center;
  color: var(--blue);
  background: var(--blue-soft);
  border-right: 2px solid var(--line);
  font-size: 41px;
}

.roadmap span {
  padding: 24px 44px;
  display: flex;
  align-items: center;
  font-size: 26px;
  line-height: 1.3;
}

.site-footer {
  padding: 48px max(4vw, calc((100vw - var(--container)) / 2));
  background: #fafafa;
}

.site-footer nav,
.legal {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 42px;
}

.site-footer nav {
  font-size: 27px;
  font-weight: 700;
}

.legal {
  margin-top: 36px;
  color: #666;
  font-size: 21px;
}

.site-footer p {
  margin: 36px 0 0;
  color: #666;
  font-size: 21px;
}

@media (min-width: 921px) {
  body > .site-header,
  body > main,
  body > .site-footer {
    display: none;
  }

  .desktop-reference {
    width: min(100%, 1920px);
    margin: 0 auto;
    position: relative;
    display: block;
  }

  .desktop-reference-image {
    width: 100%;
    height: auto;
  }

  .reference-hotspot {
    position: absolute;
    z-index: 2;
    display: block;
    overflow: hidden;
    color: transparent;
    background: transparent;
  }

  .reference-hotspot:focus-visible {
    outline: max(2px, 0.12vw) solid var(--blue);
    outline-offset: max(2px, 0.12vw);
  }

  .reference-home {
    left: 27.6%;
    top: 0.16%;
    width: 7%;
    height: 0.38%;
  }

  .reference-aircraft {
    left: 35.4%;
    top: 0.16%;
    width: 9.2%;
    height: 0.38%;
  }

  .reference-investors {
    left: 45.4%;
    top: 0.16%;
    width: 9%;
    height: 0.38%;
  }

  .reference-about {
    left: 55.8%;
    top: 0.16%;
    width: 9.4%;
    height: 0.38%;
  }

  .reference-contact {
    left: 8.3%;
    top: 4%;
    width: 20.8%;
    height: 0.7%;
  }

  .reference-email {
    left: 70%;
    top: 86.2%;
    width: 17%;
    height: 0.35%;
  }
}

@media (max-width: 1280px) {
  .site-header,
  .section-frame,
  .page-section {
    width: min(calc(100% - 48px), var(--container));
  }

  .site-header {
    gap: 24px;
  }

  .main-nav {
    gap: 24px;
    font-size: 18px;
  }

  .outline-action,
  .language {
    padding-inline: 14px;
    font-size: 17px;
  }

  .hero-copy {
    padding-left: 62px;
  }

  .catalog-card p,
  .detail-copy p,
  .requirement-grid p,
  .impact-note,
  .funding-steps p,
  .roadmap span {
    font-size: 22px;
  }

  .stat {
    padding-inline: 34px;
  }

  .stat span {
    font-size: 22px;
  }
}

@media (max-width: 920px) {
  .site-header {
    height: 88px;
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .brand-name {
    font-size: 21px;
  }

  .menu-toggle {
    width: 48px;
    height: 44px;
    padding: 10px;
    display: grid;
    gap: 5px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle span:not(.sr-only) {
    height: 2px;
    background: #111;
  }

  .main-nav {
    position: fixed;
    z-index: 20;
    top: 88px;
    left: 0;
    right: 0;
    padding: 26px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: #fff;
    border-bottom: 1px solid #ddd;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.08);
  }

  .main-nav.open {
    display: flex;
  }

  .header-actions {
    display: none;
  }

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

  .hero {
    min-height: 690px;
    background-position: 64% center;
  }

  .hero::after {
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.97), rgba(0, 0, 0, 0.64));
  }

  .hero-copy {
    padding: 52px 28px;
  }

  .hero h1 {
    font-size: clamp(36px, 10vw, 58px);
  }

  .hero p {
    font-size: 25px;
  }

  .primary-button {
    width: min(100%, 360px);
    height: 90px;
    padding-left: 34px;
    font-size: 25px;
  }

  .page-section {
    padding-top: 72px;
  }

  .page-section > h2 {
    font-size: clamp(35px, 9vw, 48px);
  }

  .catalog-grid,
  .detail-grid,
  .impact-photo,
  .budget-photo,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .catalog-grid {
    gap: 50px;
  }

  .catalog-visual {
    height: 320px;
  }

  .catalog-card p {
    min-height: 110px;
    margin-top: -50px;
    padding: 28px 30px;
    font-size: 21px;
  }

  .aircraft-detail {
    padding-top: 92px;
  }

  .detail-grid.reverse .image-panel {
    order: 2;
  }

  .detail-copy {
    padding-right: 0;
  }

  .detail-copy h2 {
    font-size: clamp(34px, 8.5vw, 48px);
  }

  .detail-copy p {
    font-size: 21px;
  }

  .image-panel {
    min-height: 390px;
  }

  .stats-grid,
  .profit-grid,
  .duration-grid,
  .requirement-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat {
    min-height: 180px;
    padding: 34px 28px 28px;
  }

  .stat strong {
    font-size: clamp(34px, 8vw, 48px);
  }

  .detail-link {
    min-height: 104px;
    font-size: 24px;
  }

  .impact-photo,
  .budget-photo {
    min-height: 700px;
  }

  .impact-note {
    min-height: 130px;
  }

  .duration-grid article {
    min-height: 210px;
    padding: 34px 28px;
  }

  .duration-grid strong {
    font-size: 36px;
  }

  .funding-steps {
    padding-left: 28px;
  }

  .funding-steps li {
    grid-template-columns: 92px 1fr;
  }

  .funding-steps span {
    font-size: 54px;
  }

  .funding-steps p {
    padding: 24px;
    font-size: 18px;
  }

  .requirement-grid {
    gap: 24px;
  }

  .budget-card {
    min-height: 225px;
    padding: 38px;
  }

  .budget-card strong {
    font-size: 42px;
  }

  .budget-card span {
    font-size: 24px;
  }

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

  .contact-shell {
    padding: 52px 30px;
  }

  .contact-form button {
    width: 100%;
  }

  .roadmap ol {
    padding-left: 28px;
  }

  .roadmap li {
    min-height: 170px;
    grid-template-columns: 1fr;
  }

  .roadmap strong {
    padding: 22px 30px;
    border-right: 0;
    border-bottom: 2px solid var(--line);
    font-size: 30px;
  }

  .roadmap span {
    padding: 22px 30px;
    font-size: 19px;
  }
}

@media (max-width: 560px) {
  .site-header,
  .section-frame,
  .page-section {
    width: min(calc(100% - 20px), var(--container));
  }

  .hero {
    min-height: 620px;
  }

  .hero-copy {
    padding-inline: 20px;
  }

  .hero h1 {
    font-size: 35px;
  }

  .hero p {
    margin: 30px 0 38px;
    font-size: 22px;
  }

  .catalog-grid,
  .stats-grid,
  .profit-grid,
  .duration-grid,
  .requirement-grid,
  .profit-grid.compact {
    grid-template-columns: 1fr;
  }

  .catalog-visual {
    height: 280px;
  }

  .crew {
    gap: 16px;
  }

  .crew span {
    font-size: 20px;
  }

  .image-panel {
    min-height: 310px;
  }

  .stats-grid {
    gap: 10px;
  }

  .stat {
    min-height: 155px;
  }

  .impact-photo {
    padding: 24px 16px;
  }

  .implementation-photo {
    padding: 30px 16px;
  }

  .duration-grid article {
    min-height: 150px;
  }

  .funding-steps {
    padding-left: 16px;
  }

  .funding-steps li {
    grid-template-columns: 64px 1fr;
  }

  .funding-steps span {
    font-size: 38px;
  }

  .funding-steps p {
    padding: 20px 14px;
    font-size: 16px;
  }

  .budget-photo {
    min-height: 760px;
    padding: 24px 16px;
  }

  .profit-group h3 {
    font-size: 30px;
  }

  .profit-notes {
    font-size: 20px;
  }

  .contact-shell {
    padding: 44px 20px;
  }

  .contact-shell > p,
  .contact-info p {
    font-size: 21px;
  }

  .contact-info a {
    font-size: 23px;
  }

  .contact-form input {
    min-height: 76px;
    padding-inline: 24px;
    font-size: 22px;
  }

  .roadmap strong {
    font-size: 24px;
  }

  .site-footer {
    padding: 38px 20px;
  }

  .site-footer nav {
    font-size: 22px;
  }
}

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

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