:root {
  color-scheme: dark;
  --background: #090c10;
  --white: #f3f5f7;
  --muted: #a1a9b5;
  --cyan: #7ee8ff;
  --border: #ffffff15;
  font-family: "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--white); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 84% 45%, #10212b45, transparent 57%); z-index: -1; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 6px; }
[hidden] { display: none !important; }
.site-shell { max-width: 1680px; margin: 0 auto; padding: 0 5.1%; }
.skip-link { position: fixed; top: 12px; left: 12px; padding: 12px 20px; background: var(--cyan); color: var(--background); transform: translateY(-150%); z-index: 10; }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 15px; flex-shrink: 0; white-space: nowrap; }
.brand-name { font-size: 1rem; font-weight: 650; letter-spacing: .095em; }
.brand-divider { color: #4a535e; font-size: 1.35rem; font-weight: 300; }
.brand-descriptor { color: #b6bdc6; font-size: .75rem; letter-spacing: .11em; }
.language-switch { display: flex; align-items: center; gap: 9px; margin-left: auto; flex-shrink: 0; font-size: .875rem; }
.language-switch a { padding: 12px 0; color: var(--muted); }
.language-switch a[aria-current], .language-switch a:hover { color: var(--cyan); }
.language-switch > span { color: #4a535e; }
html:lang(el) .hero h1 { font-size: clamp(3.1rem, 5.4vw, 5.5rem); }
.navigation { display: flex; align-items: center; gap: clamp(18px, 2.1vw, 34px); }
.nav-link { position: relative; font-size: .875rem; color: #aeb5bf; padding: 12px 0; transition: color 180ms; }
.nav-link:hover, .nav-link.current { color: var(--white); }
.nav-link.current::after { content: ""; position: absolute; width: 15px; height: 2px; left: 0; bottom: 3px; background: var(--cyan); }
.nav-contact { padding: 10px 19px; border: 1px solid #ffffff29; border-radius: 3px; color: var(--white); }
.nav-contact:hover { border-color: var(--cyan); }
.hero { display: grid; grid-template-columns: 1.12fr 1fr; align-items: center; min-height: calc(100svh - 197px); padding: 65px 0 76px; position: relative; }
.hero-content { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 30px; font-size: .75rem; font-weight: 500; letter-spacing: .16em; color: var(--muted); }
.eyebrow > span { height: 1px; width: 28px; background: var(--cyan); }
h1 { font-size: clamp(3.8rem, 6.6vw, 6.75rem); font-weight: 500; line-height: 1.035; letter-spacing: -.055em; margin: 0 0 30px; }
h1 > span { color: var(--cyan); }
.hero-description { font-size: 1.0625rem; line-height: 1.8; max-width: 490px; margin: 0; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 13px 23px; border: 1px solid transparent; border-radius: 3px; font-size: .875rem; font-weight: 600; transition: background 180ms, border-color 180ms, color 180ms; }
.button-primary { background: var(--cyan); color: #081217; }
.button-primary:hover { background: #b1f1ff; }
.button-secondary { border-color: #ffffff32; color: var(--white); background: #ffffff02; }
.button-secondary:hover { border-color: var(--cyan); background: #7ee8ff09; }
.hero-visual { width: 116%; aspect-ratio: 1.3; position: relative; margin-left: -9%; }
#system-field { width: 100%; height: 100%; display: block; }
.visual-glow { position: absolute; inset: 18%; background: radial-gradient(ellipse, #0d7f9d16, transparent 68%); pointer-events: none; }
.visual-bracket { position: absolute; width: 24px; height: 24px; border-color: #7ee8ff3b; border-style: solid; }
.bracket-top { top: 10%; left: 13%; border-width: 1px 0 0 1px; }
.bracket-bottom { bottom: 15%; right: 10%; border-width: 0 1px 1px 0; }
.visual-caption { position: absolute; left: 13%; right: 10%; bottom: 5%; display: flex; align-items: center; gap: 23px; color: #667987; font-size: .75rem; letter-spacing: .15em; }
.caption-line { flex: 1; height: 1px; background: #7ee8ff20; }
.hero-footer { min-height: 89px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--border); }
.disciplines { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; font-size: .75rem; letter-spacing: .13em; color: #8b95a2; }
.disciplines i { color: #5c9daa; font-style: normal; }
.footer-mark { color: #51606e; font-size: .75rem; letter-spacing: .1em; white-space: nowrap; }
.content-section { padding: 95px 0 100px; border-top: 1px solid var(--border); scroll-margin-top: 24px; }
.section-heading { max-width: 720px; }
.section-heading .eyebrow { margin-bottom: 25px; }
.section-heading h2 { font-size: clamp(2.25rem, 4vw, 3.75rem); font-weight: 500; line-height: 1.15; letter-spacing: -.045em; margin: 0 0 25px; }
.section-intro { max-width: 600px; color: var(--muted); font-size: 1.0625rem; line-height: 1.8; margin: 0; }
.solution-list { margin-top: 52px; }
.solution-row { display: grid; grid-template-columns: 55px minmax(180px, .8fr) minmax(0, 1.3fr); gap: 24px; align-items: baseline; padding: 30px 0; border-top: 1px solid var(--border); }
.solution-row:last-child { padding-bottom: 0; }
.section-index { color: var(--cyan); font-size: .875rem; font-variant-numeric: tabular-nums; }
.solution-row h3, .technology-item h3 { font-size: 1.375rem; font-weight: 500; line-height: 1.4; letter-spacing: -.025em; margin: 0; }
.solution-row p, .technology-item > p:last-child { color: var(--muted); font-size: 1rem; line-height: 1.8; margin: 0; }
.technology-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px; margin-top: 52px; }
.technology-item { border-top: 1px solid #7ee8ff45; padding-top: 25px; }
.technology-label { color: var(--cyan); font-size: .75rem; letter-spacing: .10em; line-height: 1.8; margin: 0 0 24px; }
.technology-item h3 { margin-bottom: 18px; }
.research-section, .about-section { display: grid; grid-template-columns: 1fr 1fr; gap: 65px; }
.research-steps { list-style: none; counter-reset: research; padding: 0; margin: 36px 0 0; }
.research-steps li { counter-increment: research; display: grid; grid-template-columns: 30px 1fr; column-gap: 15px; border-top: 1px solid var(--border); padding: 20px 0; }
.research-steps li::before { content: "0" counter(research); color: var(--cyan); font-size: .75rem; line-height: 2; }
.research-steps span { font-size: 1rem; font-weight: 500; line-height: 1.6; }
.research-steps p { grid-column: 2; margin: 6px 0 0; font-size: 1rem; color: var(--muted); line-height: 1.7; }
.accent-text { color: var(--cyan); }
.about-content p { margin: 0 0 22px; color: var(--muted); font-size: 1rem; line-height: 1.8; }
.about-content p:last-child { margin-bottom: 0; }
.about-content .about-lead { color: var(--white); font-size: 1.375rem; line-height: 1.55; letter-spacing: -.02em; }
@media (max-width: 900px) {
  .research-section, .about-section { grid-template-columns: 1fr; gap: 30px; }
  .technology-grid { gap: 24px; }
  .solution-row { grid-template-columns: 30px minmax(160px, .8fr) minmax(0, 1fr); gap: 20px; }
}
@media (max-width: 650px) {
  .content-section { padding: 60px 0; }
  .solution-row { grid-template-columns: 28px minmax(0, 1fr); gap: 12px; padding: 25px 0; }
  .solution-row p { grid-column: 2; }
  .solution-list, .technology-grid { margin-top: 35px; }
  .technology-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .technology-label { margin-bottom: 14px; }
}
.contact-section { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 30px; padding: 70px 0 80px; border-top: 1px solid var(--border); }
.contact-section .eyebrow { margin-bottom: 20px; }
.contact-section h2 { margin: 0 0 16px; font-size: clamp(2.25rem, 4vw, 3.5rem); font-weight: 500; letter-spacing: -.045em; }
.contact-description { margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.75; }
.contact-email { max-width: 100%; overflow-wrap: anywhere; color: var(--cyan); font-size: clamp(1rem, 2vw, 1.5rem); line-height: 1.6; padding: 10px 0; text-decoration: underline; text-decoration-color: #7ee8ff45; text-underline-offset: 8px; transition: color 180ms; }
.contact-email:hover { color: #b1f1ff; }
.company-footer { padding: 48px 0 56px; border-top: 1px solid var(--border); }
.company-footer .eyebrow { margin-bottom: 22px; }
.company-page { border-top: 0; }
.company-page h1 { max-width: 850px; margin: 0 0 32px; font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 500; line-height: 1.5; letter-spacing: -.015em; }
.site-footer { display: flex; justify-content: flex-end; padding: 22px 0; border-top: 1px solid var(--border); }
.company-link, .back-home { color: var(--muted); font-size: .875rem; line-height: 1.6; padding: 10px 0; text-decoration: underline; text-decoration-color: #ffffff30; text-underline-offset: 5px; }
.company-link:hover, .back-home:hover { color: var(--cyan); }
.company-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 50px; max-width: 960px; margin: 0; }
.company-detail-wide { grid-column: 1 / -1; }
.company-detail dt { margin-bottom: 7px; color: var(--muted); font-size: .875rem; line-height: 1.6; }
.company-detail dd { margin: 0; color: #c6cdd5; font-size: 1rem; line-height: 1.7; overflow-wrap: anywhere; }
@media (max-width: 650px) { .company-details { grid-template-columns: minmax(0, 1fr); gap: 22px; } }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--white); padding: 12px 0 12px 16px; align-items: center; gap: 13px; font-size: .875rem; }
.menu-icon { display: grid; gap: 6px; width: 20px; }
.menu-icon span { height: 1px; background: currentColor; transition: transform 180ms; }
.menu-toggle[aria-expanded="true"] .menu-icon span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
@media (min-width: 1680px) { .hero { min-height: 760px; } }
@media (max-width: 1100px) {
  .brand { gap: 10px; }
  .brand-name { font-size: .875rem; }
  .brand-descriptor { font-size: .75rem; letter-spacing: .05em; }
  .navigation { gap: 19px; }
  .hero { grid-template-columns: 1.15fr 1fr; }
  .hero-description { max-width: 420px; }
  .disciplines { gap: 12px; letter-spacing: .07em; }
  .footer-mark { display: none; }
}
@media (max-width: 1100px) {
  .site-header { position: relative; min-height: 88px; flex-wrap: wrap; gap: 0; }
  .language-switch { margin-left: auto; margin-right: 22px; }
  .menu-toggle:not([hidden]) { display: flex; }
  .navigation { width: 100%; padding: 12px 0 22px; flex-wrap: wrap; }
  .js-enabled .navigation { display: none; }
  .js-enabled .navigation.is-open { display: flex; }
  .nav-link { padding: 13px 9px; }
  .nav-link.current::after { left: 9px; }
  .nav-contact { padding: 12px 20px; }
  .hero { min-height: calc(100svh - 188px); padding: 65px 0; }
  h1 { font-size: clamp(3.4rem, 7.5vw, 5rem); }
  .hero-visual { width: 126%; margin-left: -21%; opacity: .8; }
  .visual-caption { font-size: .75rem; letter-spacing: .06em; }
  .hero-footer { min-height: 100px; }
}
@media (max-width: 650px) {
  .site-shell { padding: 0 6%; }
  .site-header { min-height: 85px; }
  .brand { display: grid; grid-template-columns: auto auto; gap: 4px 0; }
  .brand-name { font-size: .875rem; }
  .brand-divider { display: none; }
  .brand-descriptor { grid-column: 1 / -1; font-size: .75rem; letter-spacing: .07em; }
  .hero { display: flex; flex-direction: column; align-items: stretch; min-height: auto; padding: 48px 0 23px; }
  .eyebrow { font-size: .75rem; letter-spacing: .10em; gap: 9px; margin-bottom: 24px; }
  .eyebrow > span { width: 18px; }
  h1 { font-size: clamp(2.8rem, 12vw, 4.75rem); margin-bottom: 26px; }
  html:lang(el) .hero h1 { font-size: clamp(2.25rem, 10vw, 4rem); }
  .language-switch { gap: 6px; margin-right: 8px; font-size: .8125rem; }
  .hero-description { font-size: 1rem; max-width: 450px; line-height: 1.75; }
  .hero-actions { gap: 12px; margin-top: 27px; }
  .button { padding: 13px 18px; }
  .hero-visual { width: 100%; aspect-ratio: 1.55; margin: 22px 0 0; opacity: .9; }
  .bracket-top { top: 8%; left: 5%; }
  .bracket-bottom { bottom: 12%; right: 5%; }
  .visual-caption { left: 5%; right: 5%; bottom: 2%; }
  .hero-footer { padding: 23px 0; min-height: auto; }
  .disciplines { gap: 9px 13px; font-size: .75rem; line-height: 1.8; }
  .disciplines i { display: none; }
  .disciplines span { display: block; width: 100%; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }
@media (max-width: 400px) {
  .menu-toggle { padding: 12px; gap: 0; }
  .menu-label { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}