:root {
  --night: #08131b;
  --night-deep: #050b10;
  --storm: #102633;
  --storm-raised: #173544;
  --slate: #294b5c;
  --line: rgba(142, 188, 207, 0.22);
  --line-strong: rgba(164, 208, 225, 0.42);
  --sky: #74bdd8;
  --sky-light: #acd7e6;
  --cloud: #edf4f6;
  --cloud-soft: #c4d2d8;
  --muted: #91a7b2;
  --paper: #d9e6eb;
  --ink: #0b1a23;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  color-scheme: dark;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--night);
  color: var(--cloud);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-200%);
  background: var(--cloud);
  padding: 0.75rem 1rem;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
}

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

:focus-visible {
  outline: 2px solid var(--sky-light);
  outline-offset: 4px;
}

.header-inner,
.hero-inner,
.section,
.footer-inner {
  width: min(100% - 3rem, 1240px);
  margin-inline: auto;
}

.site-header {
  position: absolute;
  z-index: 50;
  top: 0;
  width: 100%;
}

.header-inner {
  min-height: 70px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid rgba(196, 210, 216, 0.24);
}

.wordmark {
  width: max-content;
  color: var(--cloud);
  font-size: 1.1rem;
  font-weight: 760;
  letter-spacing: -0.055em;
}

.wordmark span { color: var(--sky); }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.site-nav a,
.header-contact {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--cloud-soft);
  font-size: 0.8rem;
  font-weight: 650;
  transition: color 150ms ease;
}

.site-nav a:hover,
.header-contact:hover { color: var(--cloud); }

.header-contact {
  justify-self: end;
  gap: 0.55rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line-strong);
}

.header-contact span { color: var(--sky); }

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 28% 20%, rgba(116, 189, 216, 0.1), transparent 28rem),
    linear-gradient(150deg, var(--night) 0%, #0c202c 52%, var(--night-deep) 100%);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(transparent, rgba(5, 11, 16, 0.46));
  content: "";
  pointer-events: none;
}

.hero-inner {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.88fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
  padding-block: 90px 2.8rem;
}

.hero-copy-block {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 1.8rem 2.5rem;
}

.hero h1 {
  max-width: 760px;
  margin: 1.5rem 0 1.65rem;
  font-size: clamp(2.7rem, 4.7vw, 4.15rem);
  font-weight: 560;
  letter-spacing: -0.075em;
  line-height: 0.96;
}

.hero-copy {
  max-width: 610px;
  margin: 0;
  color: var(--cloud-soft);
  font-size: clamp(0.96rem, 1.25vw, 1.08rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.9rem;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 0.35rem;
  padding: 0.75rem 1.05rem;
  font-size: 0.78rem;
  font-weight: 700;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button-primary {
  background: var(--sky-light);
  color: var(--ink);
}

.button-primary:hover {
  background: var(--cloud);
  transform: translateY(-2px);
}

.hero-image {
  position: relative;
  z-index: 1;
  min-width: 0;
  aspect-ratio: 1.9 / 1;
  align-self: center;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--storm);
}

.hero-image::after {
  display: none;
}

.hero-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
  filter: none;
  transform: none;
}

.section { padding-block: clamp(4rem, 6vw, 5.5rem); }

.section-intro {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0;
  color: var(--sky);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-intro h2,
.focus h2,
.about h2 {
  max-width: 760px;
  margin: 1rem 0 0;
  font-size: clamp(2rem, 3.3vw, 3.2rem);
  font-weight: 560;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

.project-card {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: linear-gradient(155deg, #10232e, #0a1821);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.project-card:hover,
.project-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 70px rgba(0, 7, 12, 0.25);
}

.project-card-static { cursor: default; }

.project-card-static:hover {
  transform: none;
  border-color: var(--line);
  box-shadow: none;
}

.comfort-card {
  background: linear-gradient(145deg, #173746, #0e2733);
}

.analog-card { background: linear-gradient(145deg, #172c38, #0d1e28); }
.balloon-card { background: linear-gradient(155deg, #10232e, #0a1821); }
.radar-card { background: linear-gradient(145deg, #132a34, #0b1c24); }

.project-card-head,
.project-card-foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  line-height: 1.4;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.project-card-head { padding: 1rem 1.35rem; }

.availability { display: inline-flex; align-items: center; gap: 0.45rem; color: var(--sky-light); }
.availability i { width: 5px; height: 5px; border-radius: 50%; background: var(--sky); box-shadow: 0 0 0 3px rgba(116, 189, 216, 0.1); }
.availability-development { color: #d8bb72; }
.availability-development i { background: #d8a94d; box-shadow: 0 0 0 3px rgba(216, 169, 77, 0.12); }

.project-preview {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 1.9 / 1;
  border-block: 1px solid var(--line);
  background: var(--night-deep);
}

.project-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 38%;
  transition: transform 300ms ease, filter 300ms ease;
}

.project-preview-analog img { object-position: center; }
.project-preview-balloon img { object-position: center; }
.project-preview-radar img { object-position: 50% 34%; }

.project-card:hover .project-preview img,
.project-card:focus-visible .project-preview img {
  filter: saturate(1.08) contrast(1.03);
  transform: scale(1.018);
}

.project-card-static:hover .project-preview img {
  filter: none;
  transform: none;
}

.project-card-body {
  position: relative;
  z-index: 2;
  flex: 1;
  padding: 1.3rem 1.35rem 0;
}

.project-card-body h3 {
  max-width: 620px;
  margin: 0 0 0.8rem;
  font-size: clamp(1.75rem, 2.5vw, 2.35rem);
  font-weight: 560;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.project-card-body p {
  max-width: 520px;
  margin: 0;
  color: var(--cloud-soft);
  font-size: 0.94rem;
  line-height: 1.75;
}

.project-card-foot {
  margin: 1.25rem 1.35rem 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--cloud);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.project-card-foot b {
  color: var(--sky);
  font-size: 1rem;
  font-weight: 400;
  transition: transform 160ms ease;
}

.project-card:hover .project-card-foot b,
.project-card:focus-visible .project-card-foot b { transform: translate(3px, -3px); }

.focus-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 1.25rem;
  border-top: 1px solid var(--line-strong);
}

.focus { padding-block: clamp(2.75rem, 4vw, 3.75rem); }

.focus h2.eyebrow {
  margin: 0;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.focus-list article {
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 1.2rem 2rem 1.35rem 0;
  border-right: 1px solid var(--line);
  transition: background-color 180ms ease;
}

.focus-list article + article { padding-left: 2rem; }
.focus-list article:last-child { border-right: 0; }
.focus-list article:hover { background: rgba(116, 189, 216, 0.045); }

.focus-number {
  color: var(--sky);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.focus-list h3 {
  margin: 1rem 0 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.focus-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.about { padding-top: 0; }

.about-title h2 { margin-top: 0; }

.about-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1fr);
  gap: clamp(3rem, 9vw, 8rem);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background:
    radial-gradient(circle at 14% 16%, rgba(116, 189, 216, 0.12), transparent 22rem),
    var(--storm);
  padding: clamp(2rem, 4vw, 3.5rem);
}

.about-copy > p {
  max-width: 680px;
  margin: 0 0 1.2rem;
  color: var(--muted);
  line-height: 1.8;
}

.about-copy .about-lead {
  color: var(--cloud);
  font-size: 1.16rem;
  line-height: 1.7;
}

.about-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}

.about-links a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line-strong);
  color: var(--cloud-soft);
  font-size: 0.8rem;
  font-weight: 650;
}

.about-links a span { color: var(--sky); transition: transform 160ms ease; }
.about-links a:hover span { transform: translate(3px, -3px); }

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2.25rem;
}

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

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr minmax(320px, 0.78fr); gap: 2.5rem; }
}

@media (max-width: 820px) {
  .site-header { position: relative; background: var(--night); }
  .header-inner { grid-template-columns: 1fr auto; row-gap: 0; }
  .site-nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; padding-block: 0; border-top: 1px solid var(--line); }
  .hero-inner { min-height: auto; grid-template-columns: 1fr; gap: 1.5rem; padding-block: 1.25rem 3rem; }
  .hero-copy-block { grid-row: 2; padding-block: 1rem 0; }
  .hero-image { grid-row: 1; width: min(100%, 680px); min-height: 0; }
  .section-intro { grid-template-columns: 1fr; gap: 1.5rem; }
  .project-grid { grid-template-columns: 1fr; }
  .focus-list { grid-template-columns: 1fr; }
  .focus-list article,
  .focus-list article + article { min-height: 0; padding: 1.05rem 0 1.2rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .focus-list article:last-child { border-bottom: 0; }
  .focus-list h3 { margin-top: 0.75rem; }
  .about-card { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  html { scroll-padding-top: 7rem; }

  .header-inner,
  .hero-inner,
  .section,
  .footer-inner {
    width: min(100% - 2rem, 1240px);
  }

  .header-inner { min-height: auto; padding-top: 0.9rem; }
  .header-contact,
  .site-nav a { font-size: 0.8rem; }
  .hero-copy-block { padding-block: 0.75rem 0; }
  .hero h1 { margin-block: 1.25rem 1.4rem; font-size: clamp(2.35rem, 10vw, 3.05rem); }
  .hero-copy { font-size: 0.96rem; }
  .hero-actions { margin-top: 1.6rem; }
  .button { min-width: 0; padding-inline: 0.9rem; font-size: 0.78rem; }
  .hero-image { min-height: 0; margin-inline: 0; }

  .section { padding-block: 2.5rem; }
  .focus { padding-block: 1.6rem; }
  .section-intro h2,
  .focus h2,
  .about h2 { font-size: 1.95rem; }
  .focus h2.eyebrow { font-size: 0.65rem; }
  .project-card-head { flex-wrap: wrap; row-gap: 0.45rem; padding: 0.85rem 1.1rem; }
  .project-card-body h3 { font-size: 1.9rem; }
  .about-card { padding: 1.35rem; }
  .about-links { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr auto; }
  .footer-inner p:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }

  .focus-list article,
  .focus-list article + article { padding-block: 0.8rem 0.9rem; }
  .focus-list h3 { margin-top: 0.45rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
  .project-card:hover,
  .project-card:focus-visible { transform: none; }
}