:root {
  color-scheme: dark;
  --bg: #05080d;
  --bg-2: #071019;
  --panel: rgba(9, 18, 31, 0.72);
  --panel-strong: rgba(11, 25, 42, 0.9);
  --line: rgba(135, 238, 255, 0.18);
  --line-strong: rgba(135, 238, 255, 0.38);
  --text: #eef8ff;
  --muted: #9fb0c0;
  --soft: #cad8e2;
  --cyan: #70f7ff;
  --green: #67ffb7;
  --violet: #9f7bff;
  --amber: #ffd166;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.46);
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(112, 247, 255, 0.16), transparent 30rem),
    radial-gradient(circle at 80% 4%, rgba(159, 123, 255, 0.18), transparent 33rem),
    radial-gradient(circle at 70% 82%, rgba(103, 255, 183, 0.12), transparent 30rem),
    linear-gradient(135deg, #03050a 0%, #071019 47%, #04070d 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
}

body::before {
  z-index: -3;
  background-image:
    linear-gradient(rgba(112, 247, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112, 247, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}

body::after {
  z-index: -2;
  background:
    linear-gradient(180deg, transparent 0%, rgba(5, 8, 13, 0.66) 66%, rgba(5, 8, 13, 0.96) 100%);
  opacity: 0.65;
}

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

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

#field-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.78;
  pointer-events: none;
}

.site-shell {
  position: relative;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  margin: 16px 0 0;
  padding: 14px 16px 14px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 11, 19, 0.72);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(22px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  letter-spacing: -0.08em;
  font-size: clamp(1.6rem, 2vw, 2rem);
  font-weight: 800;
  line-height: 1;
}

.brand-core {
  color: var(--text);
}

.brand-suffix {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2vw, 32px);
  color: var(--soft);
  font-size: 0.92rem;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
  content: "";
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.header-cta {
  padding: 0 18px;
  background: rgba(112, 247, 255, 0.12);
  color: var(--cyan);
  border: 1px solid rgba(112, 247, 255, 0.28);
}

.section-pad {
  padding: clamp(72px, 10vw, 136px) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
  min-height: calc(100vh - 90px);
}

.hero-copy {
  max-width: 540px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
  content: "";
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

h1 {
  max-width: 620px;
  margin-bottom: 20px;
  font-size: clamp(2.6rem, 5vw, 4.8rem);
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
}

h3 {
  margin-bottom: 14px;
  font-size: clamp(1.22rem, 1.7vw, 1.56rem);
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
}

.hero-lede,
.section-heading p,
.about-panel > p,
.contact-card p {
  color: var(--soft);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
}

.hero-lede {
  max-width: 520px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button {
  padding: 0 22px;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #031116;
  box-shadow: 0 18px 44px rgba(112, 247, 255, 0.2);
}

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

.hero-visual {
  position: relative;
  min-height: 560px;
}

.plotter-frame {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(112, 247, 255, 0.09), transparent 34%),
    linear-gradient(315deg, rgba(159, 123, 255, 0.12), transparent 42%),
    rgba(6, 13, 23, 0.56);
  box-shadow: var(--shadow), inset 0 0 80px rgba(112, 247, 255, 0.06);
  overflow: hidden;
  backdrop-filter: blur(18px);
}

.plotter-frame::before,
.plotter-frame::after {
  position: absolute;
  content: "";
}

.plotter-frame::before {
  inset: 24px;
  border: 1px solid rgba(112, 247, 255, 0.12);
  border-radius: 24px;
  background-image:
    linear-gradient(rgba(112, 247, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112, 247, 255, 0.055) 1px, transparent 1px);
  background-size: 34px 34px;
}

.plotter-frame::after {
  width: 56%;
  height: 56%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(112, 247, 255, 0.22), transparent 62%);
  filter: blur(28px);
}

.plotter-map {
  position: relative;
  z-index: 2;
  width: min(88%, 520px);
  filter: drop-shadow(0 0 20px rgba(112, 247, 255, 0.22));
}

.map-ring,
.axis {
  fill: none;
  stroke: rgba(183, 249, 255, 0.28);
  stroke-width: 1.2;
}

.map-ring.thin {
  stroke-dasharray: 8 14;
}

.map-ring.thinner {
  stroke-dasharray: 3 10;
  opacity: 0.8;
}

.axis {
  stroke-dasharray: 2 13;
}

.route {
  fill: none;
  stroke: url(#route-glow);
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-dasharray: 420;
  animation: plotRoute 7s ease-in-out infinite alternate;
}

.route-b {
  animation-delay: -1.6s;
}

.route-c {
  animation-delay: -3.2s;
}

.nodes circle {
  fill: var(--cyan);
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 1;
}

.visual-readout {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(5, 12, 21, 0.78);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
}

.visual-readout span {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.visual-readout strong {
  color: var(--text);
  font-size: 0.9rem;
}

.readout-a {
  top: 34px;
  left: 34px;
}

.readout-b {
  right: 34px;
  bottom: 34px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.solution-card,
.principle-card,
.contact-card,
.about-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 16px 80px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.solution-card,
.principle-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.solution-card {
  min-height: 310px;
  padding: 26px;
}

.solution-card::before,
.principle-card::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(112, 247, 255, 0.1), transparent 36%, rgba(159, 123, 255, 0.08));
  opacity: 0;
  transition: opacity 220ms ease;
  content: "";
}

.solution-card:hover::before,
.principle-card:hover::before {
  opacity: 1;
}

.solution-card > *,
.principle-card > * {
  position: relative;
  z-index: 1;
}

.card-marker {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 64px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 800;
}

.solution-card p,
.principle-card p {
  color: var(--muted);
}

.chip-list,
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--soft);
  font-size: 0.78rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.045);
}


.about-panel {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(28px, 5vw, 58px);
  border-radius: var(--radius-lg);
}

.about-panel > p {
  max-width: 680px;
}

.principles-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.principle-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.035);
}

.principle-card h3 {
  font-size: 1.08rem;
  letter-spacing: -0.03em;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  padding: clamp(30px, 5vw, 58px);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(112, 247, 255, 0.12), transparent 44%),
    linear-gradient(315deg, rgba(103, 255, 183, 0.1), transparent 38%),
    rgba(7, 17, 29, 0.86);
}

.contact-card h2 {
  max-width: 720px;
  margin-bottom: 18px;
}

.contact-card p {
  max-width: 680px;
  margin-bottom: 0;
}

.contact-actions {
  max-width: 360px;
  justify-content: flex-end;
}

.contact-actions p {
  color: var(--muted);
  font-size: 0.92rem;
  text-align: right;
}

@keyframes plotRoute {
  from {
    stroke-dashoffset: 420;
    opacity: 0.5;
  }

  to {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    border-radius: 28px;
  }

  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 96px;
  }

  .hero-visual,
  .plotter-frame {
    min-height: 480px;
  }

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

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

  .contact-actions {
    justify-content: flex-start;
  }

  .contact-actions p {
    text-align: left;
  }
}

@media (max-width: 680px) {
  .site-shell {
    width: min(100% - 22px, var(--max));
  }

  .site-header {
    top: 10px;
    gap: 12px;
    padding: 12px;
  }

  .header-cta {
    display: none;
  }

  .nav-links {
    gap: 16px;
    font-size: 0.86rem;
  }

  h1 {
    font-size: clamp(2.2rem, 14vw, 4rem);
  }

  .hero-visual,
  .plotter-frame {
    min-height: 360px;
  }

  .visual-readout {
    display: none;
  }

  .card-grid,
  .principles-grid {
    grid-template-columns: 1fr;
  }

  .solution-card {
    min-height: auto;
  }

  .card-marker {
    margin-bottom: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}