:root {
  --bg: #0a0f16;
  --bg-soft: #101725;
  --surface: rgba(14, 24, 38, 0.82);
  --surface-strong: rgba(9, 16, 27, 0.95);
  --line: rgba(129, 164, 193, 0.18);
  --text: #edf6ff;
  --muted: #9cb0c4;
  --accent: #74f2ce;
  --accent-warm: #ff8f5a;
  --accent-cool: #55b8ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100vw - 3rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(85, 184, 255, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(255, 143, 90, 0.18), transparent 24%),
    linear-gradient(180deg, #05080d 0%, #0b1220 45%, #09111b 100%);
  color: var(--text);
  font-family: "Manrope", "Avenir Next", "Segoe UI Variable", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 88%);
  pointer-events: none;
}

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

img {
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow-x: clip;
  overflow-y: visible;
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 4rem 0;
  scroll-margin-top: 8.2rem;
}

.site-header {
  width: var(--container);
  margin: 0 auto;
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  position: sticky;
  top: max(0.4rem, env(safe-area-inset-top));
  z-index: 50;
  backdrop-filter: blur(18px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 13, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  z-index: -1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  flex-shrink: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(116, 242, 206, 0.22), rgba(85, 184, 255, 0.28));
  border: 1px solid rgba(116, 242, 206, 0.34);
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-copy strong,
.hero h1,
.section-heading h2 {
  font-family: "Space Grotesk", sans-serif;
}

.brand-copy strong {
  font-size: 0.98rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.84rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 1.6vw, 1.4rem);
  flex-shrink: 0;
}

.site-nav a {
  color: var(--muted);
  font-size: clamp(0.88rem, 1.05vw, 0.92rem);
  transition: color 180ms ease;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  min-height: calc(100vh - 96px);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
  padding-top: 4.8rem;
}

.eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  line-height: 1.02;
  max-width: 14ch;
}

.hero-text,
.section-heading p,
.feature p,
.area-card p,
.application-list p,
.contact-copy p,
.quote-card span,
.signal-card p,
.contact-details dd,
.form-status {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.hero-text {
  margin: 1.5rem 0 0;
  max-width: 62ch;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--accent), #95ffd8);
  color: #06241f;
  box-shadow: 0 18px 36px rgba(116, 242, 206, 0.2);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.12);
}

.hero-badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-badges li,
.area-card ul li {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
  background: rgba(255, 255, 255, 0.03);
  color: #d9e7f6;
}

.hero-panel {
  position: relative;
  min-height: 640px;
  padding: 1rem;
}

.panel-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.signal-card {
  min-height: 180px;
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.signal-card-primary {
  grid-column: 1 / -1;
  background:
    linear-gradient(135deg, rgba(85, 184, 255, 0.14), rgba(116, 242, 206, 0.12)),
    var(--surface-strong);
}

.signal-label,
.area-index,
.contact-details dt {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: #87a7c5;
}

.signal-card strong,
.metric-row strong {
  display: block;
  margin-top: 1rem;
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  line-height: 1;
}

.hero-diagram {
  position: absolute;
  inset: 10% -4% 0 auto;
  width: min(520px, 100%);
  aspect-ratio: 1;
  opacity: 0.85;
}

.ring,
.node {
  position: absolute;
  border-radius: 999px;
}

.ring {
  border: 1px solid rgba(116, 242, 206, 0.2);
}

.ring-a {
  inset: 10%;
}

.ring-b {
  inset: 22%;
  border-color: rgba(85, 184, 255, 0.2);
}

.ring-c {
  inset: 35%;
  border-color: rgba(255, 143, 90, 0.2);
}

.node {
  width: 16px;
  height: 16px;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(116, 242, 206, 0.08);
}

.node-a {
  top: 14%;
  right: 20%;
}

.node-b {
  top: 42%;
  left: 8%;
  background: var(--accent-cool);
}

.node-c {
  bottom: 14%;
  right: 26%;
  background: var(--accent-warm);
}

.node-d {
  bottom: 28%;
  left: 24%;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.1vw, 2.8rem);
  line-height: 1.12;
}

.intro-grid,
.areas-grid,
.application-layout,
.contact-grid {
  display: grid;
  gap: 1.2rem;
}

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

.feature,
.area-card,
.quote-card,
.contact-copy,
.contact-form,
.metric-row article {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.feature,
.area-card,
.quote-card,
.contact-copy,
.contact-form {
  padding: 1.5rem;
}

.feature h3,
.area-card h3,
.application-list h3 {
  margin: 0 0 0.8rem;
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.3;
}

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

.area-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
}

.application-layout {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: stretch;
}

.application-list {
  display: grid;
  gap: 1rem;
}

.application-list article {
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.application-list article:first-child {
  padding-top: 0;
}

.application-list article:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.quote-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100%;
  background:
    radial-gradient(circle at top right, rgba(116, 242, 206, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 143, 90, 0.12), rgba(255, 255, 255, 0.03)),
    var(--surface-strong);
}

.quote-card p {
  margin: 0 0 1rem;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.3;
  font-family: "Space Grotesk", sans-serif;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.metric-row article {
  padding: 1.4rem;
}

.metric-row span {
  color: var(--muted);
  line-height: 1.5;
}

.contact-grid {
  grid-template-columns: 0.82fr 1.18fr;
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 1.1rem;
  margin: 2rem 0 0;
}

.contact-details dd {
  margin: 0.4rem 0 0;
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-field-wide,
.form-actions {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.92rem;
  color: #d7e2f0;
  font-weight: 600;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  background: rgba(5, 10, 16, 0.72);
  color: var(--text);
  padding: 0.95rem 1rem;
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #6e8398;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(116, 242, 206, 0.48);
  box-shadow: 0 0 0 3px rgba(116, 242, 206, 0.12);
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: rgba(255, 143, 90, 0.78);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.form-status {
  margin: 0;
  min-height: 1.6rem;
}

.form-status.is-success {
  color: var(--accent);
}

.form-status.is-error {
  color: #ffae87;
}

.reveal,
.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

@media (max-width: 1080px) {
  .site-header {
    padding: 0.95rem 1rem;
  }

  .brand-copy strong {
    font-size: 0.93rem;
  }

  .brand-copy span {
    font-size: 0.8rem;
  }

  .hero,
  .intro-grid,
  .areas-grid,
  .application-layout,
  .contact-grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 3rem;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 6vw, 3.4rem);
    max-width: 16ch;
  }

  .hero-panel {
    min-height: 540px;
  }

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

@media (max-width: 760px) {
  :root {
    --container: min(100vw - 1.4rem, 100%);
  }

  .site-header {
    padding: 0.85rem 0.8rem;
    align-items: flex-start;
    top: max(0.3rem, env(safe-area-inset-top));
  }

  .section {
    scroll-margin-top: 7.4rem;
  }

  .nav-toggle {
    display: inline-block;
    z-index: 2;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 0;
    left: 0;
    display: grid;
    gap: 0.2rem;
    padding: 0.7rem;
    border-radius: var(--radius-lg);
    background: rgba(5, 8, 13, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 0.8rem;
    border-radius: 12px;
  }

  .site-nav a:hover,
  .site-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.04);
  }

  .hero h1 {
    font-size: clamp(1.7rem, 7.8vw, 2.25rem);
    line-height: 1.08;
  }

  .section-heading h2 {
    font-size: clamp(1.55rem, 7vw, 2rem);
    line-height: 1.16;
  }

  .hero-panel {
    min-height: auto;
    padding: 0;
  }

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

  .signal-card-primary,
  .form-field-wide,
  .form-actions {
    grid-column: auto;
  }

  .hero-diagram {
    position: relative;
    inset: auto;
    margin: 2rem auto 0;
  }

  .section {
    padding: 3rem 0;
  }

  .feature,
  .area-card,
  .quote-card,
  .contact-copy,
  .contact-form {
    padding: 1.2rem;
  }

  .form-actions {
    align-items: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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