:root {
  --bg: #050706;
  --bg-soft: #0b0f0d;
  --panel: #111713;
  --panel-strong: #151f19;
  --text: #f3f8f1;
  --muted: #a9b6aa;
  --muted-strong: #c8d2c7;
  --line: rgba(163, 255, 0, 0.18);
  --accent: #a3ff00;
  --accent-soft: rgba(163, 255, 0, 0.12);
  --shadow: rgba(0, 0, 0, 0.48);
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 4%, rgba(163, 255, 0, 0.12), transparent 28rem),
    linear-gradient(180deg, #050706 0%, #080c0a 48%, #050706 100%);
  color: var(--text);
  line-height: 1.6;
}

body[dir="rtl"] {
  font-family: Tahoma, Arial, sans-serif;
}

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

.skip-link {
  background: var(--accent);
  color: #071006;
  font-weight: 800;
  left: 1rem;
  padding: 0.65rem 0.9rem;
  position: fixed;
  top: -5rem;
  z-index: 30;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  backdrop-filter: blur(20px);
  background: rgba(5, 7, 6, 0.74);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
  min-height: 4.5rem;
  padding: 0 1rem;
  position: relative;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 1.05rem;
  font-weight: 800;
  gap: 0.65rem;
  letter-spacing: 0;
}

.brand-mark {
  background: var(--accent);
  box-shadow: 0 0 24px rgba(163, 255, 0, 0.35);
  display: inline-block;
  height: 0.78rem;
  transform: skewX(-18deg);
  width: 1.55rem;
}

.nav-toggle {
  align-items: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  gap: 0.3rem;
  height: 2.5rem;
  justify-content: center;
  width: 2.5rem;
}

.nav-toggle span {
  background: currentColor;
  height: 2px;
  width: 1.05rem;
}

.nav-panel {
  background: rgba(10, 15, 12, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: none;
  flex-direction: column;
  gap: 0.2rem;
  left: 1rem;
  padding: 0.75rem;
  position: absolute;
  right: 1rem;
  top: calc(100% + 0.5rem);
}

.nav-panel.is-open {
  display: flex;
}

.nav-panel a,
.language-select {
  color: var(--muted-strong);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.7rem 0.75rem;
}

.nav-panel a:hover {
  color: var(--accent);
}

.language-select {
  align-items: center;
  display: flex;
  gap: 0.65rem;
  justify-content: space-between;
}

select {
  background: #060a08;
  border: 1px solid rgba(163, 255, 0, 0.28);
  color: var(--text);
  font: inherit;
  min-height: 2.35rem;
  padding: 0 0.55rem;
}

.section {
  margin: 0 auto;
  max-width: 1180px;
  padding: 5rem 1rem;
}

.section-band {
  max-width: none;
  padding-left: max(1rem, calc((100vw - 1180px) / 2 + 1rem));
  padding-right: max(1rem, calc((100vw - 1180px) / 2 + 1rem));
  position: relative;
}

.section-band::before {
  background: linear-gradient(90deg, rgba(163, 255, 0, 0.08), rgba(255, 255, 255, 0.03), rgba(163, 255, 0, 0.03));
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  content: "";
  inset: 0;
  position: absolute;
  z-index: -1;
}

.hero {
  align-items: center;
  display: grid;
  gap: 3rem;
  min-height: calc(100svh - 4.5rem);
  padding-top: 4rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 0.9rem;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(2.55rem, 10vw, 5.7rem);
  letter-spacing: 0;
  line-height: 0.95;
  margin-bottom: 1.4rem;
  max-width: 11ch;
}

h2 {
  font-size: clamp(2rem, 6vw, 4rem);
  letter-spacing: 0;
  line-height: 1;
  margin-bottom: 0;
  max-width: 12ch;
}

h3 {
  font-size: 1.08rem;
  line-height: 1.25;
  margin-bottom: 0.7rem;
}

.hero-copy,
.section-heading + .two-column,
.founder-panel p,
.contact-panel p {
  color: var(--muted-strong);
  font-size: clamp(1rem, 3vw, 1.22rem);
}

.hero-copy {
  max-width: 42rem;
}

.hero-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: inline-flex;
  font-size: 0.92rem;
  font-weight: 900;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1rem;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #071006;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

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

.hero-visual {
  min-height: 24rem;
}

.system-frame {
  background:
    linear-gradient(135deg, rgba(163, 255, 0, 0.13), transparent 36%),
    var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 2rem 5rem var(--shadow);
  min-height: 24rem;
  overflow: hidden;
  position: relative;
}

.frame-top {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  gap: 0.45rem;
  height: 2.5rem;
  padding: 0 0.9rem;
}

.frame-top span {
  background: rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  height: 0.55rem;
  width: 0.55rem;
}

.signal-map {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 2rem 2rem;
  inset: 2.5rem 0 7rem;
  position: absolute;
}

.node {
  background: var(--accent);
  box-shadow: 0 0 32px rgba(163, 255, 0, 0.55);
  height: 0.9rem;
  position: absolute;
  width: 0.9rem;
}

.node-a { left: 18%; top: 28%; }
.node-b { left: 58%; top: 18%; }
.node-c { left: 72%; top: 58%; }
.node-d { left: 32%; top: 70%; }

.beam {
  background: linear-gradient(90deg, transparent, rgba(163, 255, 0, 0.75), transparent);
  height: 2px;
  position: absolute;
  transform-origin: left center;
}

.beam-one { left: 20%; top: 31%; transform: rotate(-8deg); width: 40%; }
.beam-two { left: 60%; top: 23%; transform: rotate(53deg); width: 33%; }
.beam-three { left: 34%; top: 73%; transform: rotate(-15deg); width: 39%; }

.metric-grid {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  left: 0;
  min-height: 7rem;
  position: absolute;
  right: 0;
}

.metric-grid span,
.metric-grid strong {
  align-items: center;
  display: flex;
  justify-content: center;
  min-width: 0;
  text-align: center;
}

.metric-grid span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 1rem 0.4rem 0;
}

.metric-grid strong {
  color: var(--accent);
  font-size: 1.55rem;
  grid-row: 2;
  padding-bottom: 1rem;
}

.section-heading {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.two-column,
.capability-grid,
.project-grid {
  display: grid;
  gap: 1rem;
}

.two-column {
  color: var(--muted-strong);
}

.card,
.project,
.founder-panel,
.contact-panel {
  background: rgba(17, 23, 19, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.2rem;
}

.card {
  min-height: 15rem;
}

.card-index,
.project span,
.approach-step span {
  color: var(--accent);
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.card p,
.project p,
.approach-step p,
.footer p {
  color: var(--muted);
  margin-bottom: 0;
}

.approach-list {
  display: grid;
  gap: 0.8rem;
}

.approach-step {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 1rem;
  padding-top: 1.2rem;
}

.project {
  min-height: 16rem;
}

.project span {
  color: var(--muted);
  text-transform: uppercase;
}

.founder-panel,
.contact-panel {
  display: grid;
  gap: 1rem;
}

.legal {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer {
  align-items: flex-start;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 0 auto;
  max-width: 1180px;
  padding: 2rem 1rem;
}

.footer-links a {
  color: var(--muted-strong);
  font-weight: 800;
}

.footer-links a:hover {
  color: var(--accent);
}

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

@media (min-width: 760px) {
  .nav-toggle {
    display: none;
  }

  .nav-panel {
    align-items: center;
    background: transparent;
    border: 0;
    display: flex;
    flex-direction: row;
    gap: 0.25rem;
    padding: 0;
    position: static;
  }

  .nav-panel a,
  .language-select {
    padding: 0.45rem;
  }

  .hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(19rem, 0.92fr);
  }

  .section-heading,
  .two-column,
  .approach-step,
  .founder-panel,
  .contact-panel,
  .footer {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .section-heading {
    align-items: end;
  }

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

  .footer {
    align-items: center;
    display: grid;
  }

  .footer-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1040px) {
  .capability-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .project-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}