:root {
  --ink: #07090a;
  --ink-soft: #101315;
  --graphite: #1a1e20;
  --steel: #aeb5b9;
  --steel-dark: #697075;
  --paper: #f4f5f2;
  --white: #ffffff;
  --acid: #b5df00;
  --acid-deep: #8fb100;
  --line-dark: rgba(255, 255, 255, 0.14);
  --line-light: rgba(7, 9, 10, 0.16);
  --header-height: 82px;
  --background: var(--paper);
  --foreground: var(--ink);
  --card: var(--white);
  --card-foreground: var(--ink);
  --popover: var(--white);
  --popover-foreground: var(--ink);
  --primary: var(--ink);
  --primary-foreground: var(--white);
  --secondary: #e8eae6;
  --secondary-foreground: var(--ink);
  --muted: #e8eae6;
  --muted-foreground: #62686b;
  --accent: var(--acid);
  --accent-foreground: var(--ink);
  --destructive: #c51f2d;
  --border: #d5d8d3;
  --input: #d5d8d3;
  --ring: var(--acid-deep);
  --radius: 0.25rem;
  --font-sans: "Helvetica Neue", "Inter", "Segoe UI", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

html {
  background: var(--ink);
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-is-open {
  overflow: hidden;
}

::selection {
  background: var(--acid);
  color: var(--ink);
}

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

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

button {
  font: inherit;
}

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

svg {
  flex: 0 0 auto;
}

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

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  transform: translateY(-140%);
  background: var(--acid);
  color: var(--ink);
  padding: 11px 15px;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: transform 180ms ease;
}

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

.shell {
  width: min(1320px, calc(100% - 80px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: #111416;
  color: var(--white);
}

.header-inner {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  width: min(1440px, calc(100% - 56px));
  height: 100%;
  margin-inline: auto;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  width: 210px;
  height: 62px;
}

.brand img {
  width: 210px;
  height: 62px;
  object-fit: contain;
  object-position: left center;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  align-items: stretch;
  height: 100%;
  gap: clamp(18px, 2vw, 34px);
}

.desktop-nav a {
  position: relative;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--acid);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  color: var(--white);
}

.desktop-nav a.is-active::after,
.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.language-switch a,
.language-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  appearance: none;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.48);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 6px 2px;
  transition: color 180ms ease;
}

.language-switch a:hover,
.language-switch a.is-active,
.language-switch button:hover,
.language-switch button.is-active {
  color: var(--acid);
}

.language-switch > span {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.22);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

.menu-icon-close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-icon-open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-icon-close {
  display: inline-flex;
}

.mobile-menu {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  visibility: hidden;
  overflow: hidden;
  max-height: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(7, 9, 10, 0.99);
  opacity: 0;
  transition:
    max-height 300ms ease,
    opacity 220ms ease,
    visibility 300ms;
}

.mobile-menu.is-open {
  visibility: visible;
  max-height: calc(100vh - var(--header-height));
  opacity: 1;
}

.mobile-menu nav {
  width: min(720px, calc(100% - 48px));
  margin: 0 auto;
  padding: 26px 0 40px;
}

.mobile-menu nav > a {
  display: grid;
  grid-template-columns: 34px 1fr 24px;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 17px 0;
  color: var(--white);
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.025em;
}

.mobile-menu nav > a span {
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.mobile-menu nav > a svg {
  width: 18px;
}

.mobile-language {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(720px, calc(100% - 48px));
  margin: -18px auto 0;
  padding: 0 0 28px;
}

.mobile-language > span {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 40%, rgba(181, 223, 0, 0.11), transparent 25%),
    linear-gradient(135deg, #111416 0%, #07090a 55%, #0c0f10 100%);
  color: var(--white);
}

.hero-grid,
.partnership-grid {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.hero-glow {
  position: absolute;
  z-index: -1;
  top: 12%;
  right: 5%;
  width: min(48vw, 720px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181, 223, 0, 0.1), transparent 66%);
  filter: blur(20px);
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, 0.88fr);
  align-items: center;
  gap: clamp(38px, 6vw, 96px);
  min-height: calc(100svh - var(--header-height) - 104px);
  padding-block: clamp(72px, 9vh, 118px) 56px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 38px;
  height: 2px;
  background: var(--acid);
}

.hero h1 {
  max-width: 840px;
  margin: 0;
  font-size: clamp(3.55rem, 6.6vw, 7.1rem);
  font-weight: 720;
  letter-spacing: -0.064em;
  line-height: 0.91;
}

.hero h1 span,
.hero h1 strong {
  display: block;
}

.hero h1 strong {
  margin-top: 0.08em;
  color: var(--acid);
  font-weight: inherit;
}

html[lang="el"] .hero h1 {
  font-size: clamp(3.1rem, 5.65vw, 6.2rem);
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.hero-body {
  max-width: 680px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1rem, 1.2vw, 1.14rem);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  border: 1px solid transparent;
  padding: 0 20px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button svg {
  width: 17px;
  height: 17px;
}

.button:hover {
  transform: translateY(-2px);
}

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

.button-primary:hover {
  background: #c5f000;
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--white);
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 570px;
}

.hero-visual img {
  position: relative;
  z-index: 3;
  width: min(92%, 570px);
  height: auto;
  filter: drop-shadow(0 34px 60px rgba(0, 0, 0, 0.48));
  transform: translateZ(0);
  animation: mark-float 7s ease-in-out infinite;
}

.mark-plane {
  position: absolute;
  z-index: 1;
  width: 74%;
  aspect-ratio: 1.65;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.012));
  box-shadow: inset 0 0 60px rgba(255, 255, 255, 0.025);
  transform: rotate(-12deg) skewX(-16deg);
}

.mark-orbit {
  position: absolute;
  z-index: 0;
  border: 1px solid rgba(181, 223, 0, 0.2);
  border-radius: 50%;
}

.orbit-one {
  width: 92%;
  aspect-ratio: 1;
}

.orbit-two {
  width: 67%;
  aspect-ratio: 1;
  border-color: rgba(255, 255, 255, 0.1);
}

.visual-code,
.visual-label {
  position: absolute;
  z-index: 4;
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.11em;
}

.visual-code {
  top: 10%;
  right: 1%;
}

.visual-label {
  bottom: 9%;
  left: 0;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

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

.region-rail > div {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 104px;
  border-right: 1px solid var(--line-dark);
  padding: 20px 28px;
}

.region-rail > div:first-child {
  border-left: 1px solid var(--line-dark);
}

.region-rail span {
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.region-rail strong {
  font-size: clamp(0.88rem, 1.2vw, 1.02rem);
  font-weight: 650;
  letter-spacing: 0.025em;
}

.section {
  position: relative;
  scroll-margin-top: var(--header-height);
  padding-block: clamp(104px, 11vw, 168px);
}

.section-light {
  background: var(--paper);
  color: var(--ink);
}

.section-dark {
  background: var(--ink-soft);
  color: var(--white);
}

.section-marker {
  display: grid;
  grid-template-columns: 30px minmax(40px, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-bottom: clamp(64px, 7vw, 100px);
}

.section-marker span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.section-marker i {
  width: 100%;
  height: 1px;
  background: var(--line-light);
}

.section-marker strong {
  font-size: 0.7rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-dark .section-marker span,
.section-dark .section-marker strong {
  color: rgba(255, 255, 255, 0.58);
}

.section-dark .section-marker i {
  background: var(--line-dark);
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(360px, 0.84fr);
  gap: clamp(64px, 10vw, 150px);
  align-items: start;
}

.overview-grid h2,
.section-heading h2,
.applications-intro h2,
.approach-header h2,
.partnership-heading h2 {
  margin: 0;
  font-size: clamp(3rem, 5.35vw, 6.1rem);
  font-weight: 680;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.overview-body {
  padding-top: 12px;
}

.overview-body > p {
  margin: 0;
  color: #383d3f;
  font-size: clamp(1.12rem, 1.55vw, 1.38rem);
  line-height: 1.72;
}

.statement-line {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 42px;
  border-top: 1px solid var(--line-light);
  padding-top: 24px;
}

.statement-line span {
  width: 10px;
  height: 10px;
  background: var(--acid-deep);
}

.statement-line strong {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.solutions-section {
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.025), transparent 45%),
    var(--ink-soft);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: clamp(60px, 9vw, 140px);
  align-items: end;
  margin-bottom: 76px;
}

.dark-heading p {
  margin: 0 0 6px;
  color: rgba(255, 255, 255, 0.63);
  font-size: 1.05rem;
  line-height: 1.7;
}

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

.solution-card {
  display: flex;
  min-height: 270px;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: clamp(28px, 3vw, 42px);
  background: rgba(255, 255, 255, 0.015);
  transition:
    background 220ms ease,
    color 220ms ease;
}

.solution-card:hover {
  background: var(--acid);
  color: var(--ink);
}

.card-topline {
  display: flex;
  justify-content: space-between;
  align-items: start;
}

.card-topline span {
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.card-topline svg {
  width: 28px;
  height: 28px;
  color: var(--acid);
  stroke-width: 1.45;
}

.solution-card:hover .card-topline span,
.solution-card:hover .card-topline svg {
  color: var(--ink);
}

.solution-card h3 {
  max-width: 330px;
  margin: 60px 0 0;
  font-size: clamp(1.25rem, 1.75vw, 1.58rem);
  font-weight: 620;
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.applications-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(64px, 10vw, 150px);
}

.applications-intro {
  position: sticky;
  top: calc(var(--header-height) + 44px);
  align-self: start;
}

.applications-intro p {
  max-width: 460px;
  margin: 30px 0 0;
  color: #555b5e;
  font-size: 1.05rem;
}

.mini-mark {
  position: relative;
  width: min(330px, 80%);
  margin: 64px auto 0;
  opacity: 0.16;
  filter: grayscale(1) contrast(1.2);
}

.mini-mark::before {
  position: absolute;
  z-index: -1;
  inset: 12%;
  border: 1px solid rgba(7, 9, 10, 0.22);
  border-radius: 50%;
  content: "";
  transform: scale(1.35);
}

.application-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.application-list li {
  display: grid;
  grid-template-columns: 46px 40px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 22px;
  min-height: 126px;
  border-top: 1px solid var(--line-light);
  padding: 22px 0;
  transition: padding 200ms ease;
}

.application-list li:last-child {
  border-bottom: 1px solid var(--line-light);
}

.application-list li:hover {
  padding-right: 12px;
  padding-left: 12px;
}

.application-index {
  color: var(--steel-dark);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.application-list svg {
  width: 26px;
  height: 26px;
  color: var(--acid-deep);
  stroke-width: 1.5;
}

.application-list li > svg:last-child {
  color: var(--ink);
  opacity: 0.5;
}

.application-list strong {
  font-size: clamp(1.15rem, 1.65vw, 1.45rem);
  font-weight: 580;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.approach-section {
  background:
    radial-gradient(circle at 15% 88%, rgba(181, 223, 0, 0.08), transparent 24%),
    var(--ink);
}

.approach-header {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: clamp(64px, 9vw, 140px);
  align-items: end;
}

.approach-lead {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(1.05rem, 1.45vw, 1.28rem);
  line-height: 1.7;
}

.evidence-track {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: clamp(74px, 8vw, 112px);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.evidence-step {
  position: relative;
  min-height: 190px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 25px 22px;
}

.evidence-step > span {
  color: rgba(255, 255, 255, 0.34);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.evidence-step i {
  position: absolute;
  top: -4px;
  left: 21px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 5px rgba(181, 223, 0, 0.1);
}

.evidence-step strong {
  position: absolute;
  right: 22px;
  bottom: 24px;
  left: 22px;
  font-size: 0.94rem;
  font-weight: 620;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.approach-copy {
  display: grid;
  grid-template-columns: 120px minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(38px, 5vw, 74px);
  align-items: start;
  margin-top: 90px;
  border-top: 1px solid var(--line-dark);
  padding-top: 48px;
}

.approach-icon {
  position: relative;
  width: 86px;
  height: 86px;
  border: 1px solid rgba(181, 223, 0, 0.35);
}

.approach-icon svg {
  position: absolute;
  width: 30px;
  height: 30px;
  color: var(--acid);
  stroke-width: 1.35;
}

.approach-icon svg:first-child {
  top: 18px;
  left: 18px;
}

.approach-icon svg:last-child {
  right: 14px;
  bottom: 14px;
}

.approach-copy p,
.approach-copy > strong {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 1.78;
}

.approach-copy p {
  color: rgba(255, 255, 255, 0.58);
}

.approach-copy > strong {
  color: var(--white);
  font-size: clamp(1.18rem, 1.55vw, 1.4rem);
  font-weight: 570;
}

.partnerships-section {
  isolation: isolate;
  overflow: hidden;
  background: var(--acid);
  color: var(--ink);
}

.partnership-grid {
  background-image:
    linear-gradient(rgba(7, 9, 10, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 9, 10, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 96%);
}

.partnerships-section .section-marker i {
  background: rgba(7, 9, 10, 0.28);
}

.partnership-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  gap: clamp(64px, 9vw, 140px);
  align-items: end;
}

.partnership-heading p {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 1.4vw, 1.24rem);
  line-height: 1.7;
}

.partnership-body {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(64px, 9vw, 140px);
  margin-top: 92px;
  border-top: 1px solid rgba(7, 9, 10, 0.28);
  padding-top: 44px;
}

.partnership-body > p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.78;
}

.partner-types {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 8px;
}

.partner-types span {
  border: 1px solid rgba(7, 9, 10, 0.5);
  padding: 10px 13px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.coming-soon {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 80px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.coming-soon span {
  width: 9px;
  height: 9px;
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  margin-top: clamp(58px, 7vw, 92px);
  border: 1px solid rgba(7, 9, 10, 0.34);
  background: var(--ink-soft);
  color: var(--white);
  box-shadow: 0 28px 70px rgba(7, 9, 10, 0.16);
}

.contact-intro {
  border-right: 1px solid var(--line-dark);
  padding: clamp(34px, 5vw, 64px);
}

.contact-kicker {
  display: block;
  margin-bottom: 24px;
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-intro h3 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.contact-intro p {
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1rem;
  line-height: 1.72;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 24px;
  padding: clamp(34px, 5vw, 64px);
}

.form-field {
  min-width: 0;
}

.form-field-full,
.form-consent,
.form-actions,
.form-status {
  grid-column: 1 / -1;
}

.form-field label,
.form-label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.025em;
}

.required-marker {
  color: var(--acid);
}

.form-field :where(input, select, textarea) {
  width: 100%;
  min-height: 50px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0;
  background: #090b0c;
  color: var(--white);
  font: inherit;
  font-size: 1rem;
  line-height: 1.45;
  padding: 12px 14px;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.form-field textarea {
  min-height: 154px;
  resize: vertical;
}

.form-field select {
  appearance: auto;
}

.form-field :where(input, textarea)::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-field :where(input, select, textarea):hover {
  border-color: rgba(255, 255, 255, 0.5);
}

.form-field :where(input, select, textarea):focus-visible {
  border-color: var(--acid);
  outline: 2px solid var(--acid);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(181, 223, 0, 0.12);
}

.form-field :where(input, select, textarea)[aria-invalid="true"] {
  border-color: #ffb4ab;
}

.form-consent {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
  line-height: 1.55;
  cursor: pointer;
}

.form-consent input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--acid);
}

.form-consent input:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.contact-submit {
  min-width: 210px;
  cursor: pointer;
}

.contact-submit:disabled {
  cursor: wait;
  opacity: 0.68;
  transform: none;
}

.form-note {
  max-width: 420px;
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
  line-height: 1.5;
}

.form-status {
  display: none;
  margin: 0;
  border-left: 3px solid currentColor;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.5;
}

.form-status:not(:empty) {
  display: block;
}

.form-status[data-state="success"] {
  color: var(--acid);
}

.form-status[data-state="error"] {
  color: #ffb4ab;
}

.form-honeypot {
  position: absolute !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  white-space: nowrap !important;
}

.partnership-contact {
  margin-top: 2rem;
  width: fit-content;
}

.site-footer {
  background: var(--ink);
  color: var(--white);
  padding: 72px 0 30px;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(280px, 1fr) auto;
  gap: clamp(40px, 7vw, 110px);
  align-items: center;
  padding-bottom: 64px;
}

.footer-logo {
  width: min(320px, 100%);
  height: auto;
}

.footer-main p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.92rem;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.36);
  padding-bottom: 6px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.back-to-top svg {
  width: 16px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line-dark);
  padding-top: 26px;
}

.footer-bottom > span {
  color: rgba(255, 255, 255, 0.38);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  animation: reveal-in 620ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.screen-reader-text {
  position: absolute;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  z-index: 100000;
  top: 5px;
  left: 5px;
  display: block;
  clip: auto !important;
  width: auto;
  height: auto;
  padding: 15px 23px 14px;
  background: var(--white);
  color: var(--ink);
}

@keyframes reveal-in {
  from {
    opacity: 0.55;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mark-float {
  0%,
  100% {
    transform: translateY(0) rotate(0.001deg);
  }
  50% {
    transform: translateY(-12px) rotate(0.001deg);
  }
}

@media (max-width: 1180px) {
  .desktop-nav {
    display: none;
  }

  .header-inner {
    grid-template-columns: 220px 1fr auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-content {
    grid-template-columns: minmax(0, 1.06fr) minmax(340px, 0.94fr);
  }

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

  .evidence-track {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 74px;
  }

  .shell {
    width: min(100% - 48px, 760px);
  }

  .header-inner {
    width: calc(100% - 40px);
    grid-template-columns: 190px 1fr auto;
    gap: 18px;
  }

  .brand {
    width: 185px;
    height: 56px;
  }

  .brand img {
    width: 185px;
    height: 56px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 84px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero-visual {
    min-height: 520px;
    width: min(620px, 100%);
    margin: 0 auto;
  }

  .overview-grid,
  .section-heading,
  .applications-layout,
  .approach-header,
  .partnership-heading,
  .partnership-body {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .applications-intro {
    position: static;
  }

  .mini-mark {
    display: none;
  }

  .approach-copy {
    grid-template-columns: 90px 1fr;
  }

  .approach-copy > strong {
    grid-column: 2;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-main p {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .back-to-top {
    justify-self: end;
  }

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

  .contact-intro {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 70px;
  }

  .shell {
    width: calc(100% - 36px);
  }

  .header-inner {
    width: calc(100% - 28px);
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .brand {
    width: 156px;
    height: 52px;
  }

  .brand img {
    width: 156px;
    height: 52px;
  }

  .header-actions {
    gap: 13px;
  }

  .header-actions > .language-switch {
    display: none;
  }

  .mobile-menu nav {
    width: calc(100% - 36px);
  }

  .mobile-language {
    width: calc(100% - 36px);
  }

  .hero-content {
    padding-block: 66px 24px;
  }

  .hero h1,
  html[lang="el"] .hero h1 {
    font-size: clamp(3rem, 14.2vw, 4.6rem);
    letter-spacing: -0.058em;
    line-height: 0.94;
  }

  html[lang="el"] .hero h1 {
    font-size: clamp(2.58rem, 11.7vw, 4.1rem);
    line-height: 1;
  }

  .hero-body {
    margin-top: 26px;
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 390px;
  }

  .hero-visual img {
    width: min(92%, 390px);
  }

  .visual-code {
    right: 0;
  }

  .region-rail {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .region-rail > div {
    min-height: 68px;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
    padding: 14px 20px;
  }

  .region-rail > div:first-child {
    border-left: 0;
  }

  .section {
    padding-block: 94px;
  }

  .section-marker {
    grid-template-columns: 24px minmax(28px, 1fr) auto;
    gap: 12px;
    margin-bottom: 58px;
  }

  .section-marker strong {
    max-width: 190px;
    text-align: right;
  }

  .overview-grid h2,
  .section-heading h2,
  .applications-intro h2,
  .approach-header h2,
  .partnership-heading h2 {
    font-size: clamp(2.55rem, 12vw, 4rem);
    line-height: 1;
  }

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

  .solution-card {
    min-height: 220px;
  }

  .application-list li {
    grid-template-columns: 34px 30px minmax(0, 1fr) 20px;
    gap: 12px;
    min-height: 108px;
  }

  .application-list strong {
    font-size: 1.06rem;
  }

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

  .evidence-step {
    min-height: 170px;
    padding: 22px 17px;
  }

  .evidence-step strong {
    right: 17px;
    bottom: 20px;
    left: 17px;
    font-size: 0.88rem;
  }

  .approach-copy {
    grid-template-columns: 1fr;
    margin-top: 70px;
  }

  .approach-copy > strong {
    grid-column: auto;
  }

  .partnership-body {
    margin-top: 68px;
  }

  .coming-soon {
    margin-top: 62px;
  }

  .contact-form {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .form-field,
  .form-field-full,
  .form-consent,
  .form-actions,
  .form-status {
    grid-column: 1;
  }

  .contact-submit {
    width: 100%;
  }

  .footer-main {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .footer-logo {
    width: 250px;
  }

  .footer-main p,
  .back-to-top {
    grid-column: auto;
    grid-row: auto;
    justify-self: start;
  }

  .footer-bottom {
    align-items: flex-end;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}