:root {
  --bg: #080b10;
  --surface: #10151d;
  --surface-raised: #151b24;
  --accent: #7dc4c0;
  --accent-secondary: #d6bd7a;
  --text: #eef2f0;
  --muted: #a8b2b1;
  --heading: #f8faf8;
  --border: rgba(220, 231, 228, 0.12);
  --border-strong: rgba(220, 231, 228, 0.2);
  --shadow-soft: 0 18px 48px rgba(0, 0, 0, 0.3);
  --section-gap: clamp(3.2rem, 7vw, 6rem);
  --card-radius: 10px;
  --font-sans: 'Inter', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', 'SFMono-Regular', Menlo, monospace;
}

html {
  color-scheme: dark;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background:
    linear-gradient(180deg, rgba(125, 196, 192, 0.045), transparent 420px),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h2 {
  font-size: 1.6rem;
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container.narrow {
  max-width: 820px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(8, 11, 16, 0.9);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 1rem;
  z-index: 1000;
  background: var(--accent);
  color: #02121d;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
  text-decoration: none;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 1rem 1.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.brand a {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0;
}

.brand .tagline {
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 0;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  transition: background 0.3s ease, color 0.3s ease;
}

.main-nav .nav-cta {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.035);
}

.main-nav a:hover {
  background: rgba(125, 196, 192, 0.12);
  color: var(--heading);
}

.lang-switch ul {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
}

.lang-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.8rem;
}

.lang-switch .active a {
  background: var(--accent);
  color: #061111;
  font-weight: 600;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 9vw, 7.2rem) 0 clamp(3.5rem, 7vw, 5rem);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero::before {
  background: url("hero-orbit-map.webp") center / cover no-repeat;
  opacity: 0.86;
}

.hero::after {
  background:
    linear-gradient(90deg, rgba(8, 11, 16, 0.94) 0%, rgba(8, 11, 16, 0.76) 36%, rgba(8, 11, 16, 0.44) 67%, rgba(8, 11, 16, 0.76) 100%),
    linear-gradient(180deg, rgba(8, 11, 16, 0.8) 0%, transparent 36%, rgba(8, 11, 16, 0.82) 100%);
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.65rem, 6vw, 4.7rem);
  margin-bottom: 1rem;
  color: var(--heading);
  line-height: 0.98;
  max-width: 11ch;
}

.hero p {
  font-size: clamp(1.03rem, 1.6vw, 1.16rem);
  color: var(--muted);
  margin-bottom: 2rem;
}

.hero-subheading {
  max-width: 68ch;
}

.hero-subheading p {
  margin-top: 0;
}

.hero-system {
  align-self: stretch;
  min-height: 360px;
  display: flex;
  align-items: center;
}

.system-shell {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--card-radius);
  padding: clamp(1rem, 2.6vw, 1.6rem);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.04), transparent),
    rgba(16, 21, 29, 0.9);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.system-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(220, 231, 228, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 231, 228, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 88%);
  pointer-events: none;
}

.system-topline,
.system-flow,
.system-grid {
  position: relative;
  z-index: 1;
}

.system-topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.system-flow {
  display: grid;
  gap: 0.85rem;
  margin: 2.2rem 0;
}

.system-node {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 0.9rem;
  background: rgba(8, 11, 16, 0.62);
  color: var(--text);
  font-weight: 650;
}

.system-node + .system-node {
  margin-left: clamp(1rem, 4vw, 3rem);
}

.system-node.node-primary {
  border-color: rgba(125, 196, 192, 0.55);
}

.system-node.node-terminal {
  border-color: rgba(214, 189, 122, 0.48);
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.system-grid span {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.55rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-primary,
.cta-secondary {
  padding: 0.75rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-primary {
  background: var(--accent);
  color: #061111;
}

.cta-secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

.cta-primary:hover,
.cta-secondary:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.section {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.section:first-of-type {
  border-top: none;
}

.audio-feature .audio-card {
  background:
    linear-gradient(145deg, rgba(125, 196, 192, 0.075), rgba(214, 189, 122, 0.045)),
    rgba(16, 21, 29, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 2rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  box-shadow: var(--shadow-soft);
}

.audio-feature h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.audio-feature .section-body {
  margin: 0;
}

.audio-player .plyr {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  background: rgba(8, 11, 16, 0.68);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
}

.plyr--audio .plyr__controls {
  background: transparent;
  color: var(--text);
}

.plyr__controls button,
.plyr__controls .plyr__control {
  color: var(--text);
}

.plyr__controls button:hover,
.plyr__controls .plyr__control:hover {
  color: var(--heading);
}

.plyr audio::-webkit-media-controls-panel {
  background: transparent;
}

.plyr--full-ui input[type="range"] {
  accent-color: var(--accent);
}

.plyr__progress--buffer {
  color: rgba(255, 255, 255, 0.3);
}

.audio-meta {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--heading);
}

.section p,
.section ul {
  color: var(--muted);
}

.section ul {
  padding-left: 2.2rem;
}

.section-body {
  display: grid;
  gap: 1rem;
}

#focus {
  position: relative;
  overflow: hidden;
}

#focus > .container {
  position: relative;
  z-index: 1;
}

#focus::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("section-focus.webp") center / cover no-repeat;
  opacity: 1;
  pointer-events: none;
}

.services-section {
  position: relative;
  overflow: hidden;
}

.services-section::before,
.services-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.services-section::before {
  background: url("services-wave-map.webp") center / cover no-repeat;
  opacity: 0.82;
}

.services-section::after {
  background:
    linear-gradient(90deg, rgba(8, 11, 16, 0.78) 0%, rgba(8, 11, 16, 0.48) 34%, rgba(8, 11, 16, 0.42) 68%, rgba(8, 11, 16, 0.78) 100%),
    linear-gradient(180deg, rgba(8, 11, 16, 0.9) 0%, rgba(8, 11, 16, 0.34) 42%, rgba(8, 11, 16, 0.88) 100%);
}

.services-section > .container {
  position: relative;
  z-index: 1;
}

.differentiators-section {
  position: relative;
  overflow: hidden;
}

.differentiators-section::before,
.differentiators-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.differentiators-section::before {
  background: url("differentiators-geometry-map.webp") center / cover no-repeat;
  opacity: 0.78;
}

.differentiators-section::after {
  background:
    linear-gradient(90deg, rgba(8, 11, 16, 0.84) 0%, rgba(8, 11, 16, 0.55) 32%, rgba(8, 11, 16, 0.55) 68%, rgba(8, 11, 16, 0.84) 100%),
    linear-gradient(180deg, rgba(8, 11, 16, 0.92) 0%, rgba(8, 11, 16, 0.4) 44%, rgba(8, 11, 16, 0.9) 100%);
}

.differentiators-section > .container {
  position: relative;
  z-index: 1;
}

.approach-section {
  position: relative;
  overflow: hidden;
}

.approach-section::before,
.approach-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.approach-section::before {
  background: url("approach-flow-map.webp") center / cover no-repeat;
  opacity: 0.78;
}

.approach-section::after {
  background:
    linear-gradient(90deg, rgba(8, 11, 16, 0.84) 0%, rgba(8, 11, 16, 0.58) 34%, rgba(8, 11, 16, 0.48) 68%, rgba(8, 11, 16, 0.84) 100%),
    linear-gradient(180deg, rgba(8, 11, 16, 0.92) 0%, rgba(8, 11, 16, 0.44) 44%, rgba(8, 11, 16, 0.9) 100%);
}

.approach-section > .container {
  position: relative;
  z-index: 1;
}

#focus .section-body ul,
#differentiators .section-body ul {
  list-style: none;
  padding: 0;
  margin: 1.1rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

#focus .section-body li,
#differentiators .section-body li {
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1rem 1.05rem;
  background: rgba(16, 21, 29, 0.72);
}

#focus .section-body li strong,
#differentiators .section-body li strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--heading);
}

.page-body {
  max-width: 72ch;
  margin-inline: auto;
  color: var(--text);
  font-size: 1.03rem;
  line-height: 1.75;
}

.page-body > * {
  margin: 0;
}

.page-body > * + * {
  margin-top: 1.05rem;
}

.page-body h2,
.page-body h3,
.page-body h4 {
  color: var(--heading);
  line-height: 1.3;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--border);
}

.page-body h2 {
  font-size: clamp(1.45rem, 2vw, 1.9rem);
  margin-top: 2.4rem;
}

.page-body h3 {
  font-size: clamp(1.2rem, 1.6vw, 1.5rem);
  margin-top: 2rem;
}

.page-body p {
  color: var(--muted);
}

.page-body ul,
.page-body ol {
  padding-left: 2.2rem;
  color: var(--muted);
}

.page-body li + li {
  margin-top: 0.45rem;
}

.page-body li > ul,
.page-body li > ol {
  margin-top: 0.45rem;
}

.page-body blockquote {
  margin: 1.4rem 0;
  border-left: 4px solid rgba(125, 196, 192, 0.75);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 var(--card-radius) var(--card-radius) 0;
  padding: 0.9rem 1rem;
}

.page-body blockquote p {
  color: var(--text);
}

.page-body a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.page-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.12rem 0.36rem;
  color: #d5f1ed;
}

.page-body pre {
  margin: 1.4rem 0;
  background: rgba(8, 11, 16, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1rem 1.1rem;
  overflow-x: auto;
}

.page-body pre code {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  color: var(--text);
}

.page-body pre[class*='language-'] {
  margin: 0;
  background: rgba(8, 11, 16, 0.88);
}

.page-body :not(pre) > code[class*='language-'] {
  white-space: normal;
}

.page-body div.code-toolbar {
  margin: 1.4rem 0;
}

.page-body div.code-toolbar > pre[class*='language-'] {
  margin: 0;
  padding-top: 1.35rem;
}

.page-body div.code-toolbar > .toolbar {
  opacity: 1;
  top: 0.45rem;
  right: 0.45rem;
}

.page-body div.code-toolbar > .toolbar .toolbar-item {
  margin-left: 0.35rem;
}

.page-body div.code-toolbar > .toolbar .toolbar-item > button,
.page-body div.code-toolbar > .toolbar .toolbar-item > a,
.page-body div.code-toolbar > .toolbar .toolbar-item > span {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 0.72rem;
  font-family: var(--font-sans);
  padding: 0.25rem 0.5rem;
  line-height: 1.2;
  cursor: pointer;
}

.page-body div.code-toolbar > .toolbar .toolbar-item > button:hover,
.page-body div.code-toolbar > .toolbar .toolbar-item > a:hover {
  background: rgba(125, 196, 192, 0.18);
  color: var(--heading);
  text-decoration: none;
}

.page-body div.code-toolbar > .toolbar .toolbar-item > button:focus-visible,
.page-body div.code-toolbar > .toolbar .toolbar-item > a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #8a95ad;
}

.token.punctuation {
  color: #d3dcf0;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
  color: #ff9f8f;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: #8de2a8;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
  color: #9fc5ff;
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: #7cc6ff;
}

.token.function,
.token.class-name {
  color: #ffe08a;
}

.page-body hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.page-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--card-radius);
  border: 1px solid var(--border);
}

.page-body table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  margin: 1.4rem 0;
}

.page-body th,
.page-body td {
  padding: 0.65rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.page-body tr:last-child td {
  border-bottom: 0;
}

.lead {
  max-width: 72ch;
  margin-inline: auto;
  font-size: 1.2rem;
  color: var(--heading);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.wide-content .lead,
.wide-content .page-body {
  max-width: none;
  width: 100%;
  margin-inline: 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--muted);
}

.service-block {
  background: rgba(16, 21, 29, 0.78);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-soft);
}

.service-block h2 {
  margin-top: 0;
}

.service-cta {
  margin-top: 3rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.service-card {
  background: rgba(16, 21, 29, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 2rem;
  display: grid;
  gap: 1.25rem;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.26);
}

.service-card h2 {
  margin: 0;
  overflow-wrap: anywhere;
}

.post-audio {
  margin: 2rem 0 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  background: rgba(16, 21, 29, 0.86);
  display: grid;
  gap: 1rem;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.26);
}

.post-audio h2 {
  margin: 0 0 0.6rem;
}

.post-audio__player .plyr {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  background: rgba(8, 11, 16, 0.68);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
}

.service-card-summary {
  color: var(--muted);
  overflow-wrap: anywhere;
}

@media (min-width: 1180px) {
  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}

.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.post-card {
  background: rgba(16, 21, 29, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  display: grid;
  gap: 0.75rem;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.26);
}

.post-card .post-summary {
  max-width: 100%;
}

.post-card h2 {
  margin: 0;
}

.glossary-card {
  border-left: 3px solid rgba(125, 196, 192, 0.55);
}

.glossary-body h2 {
  margin-top: 2rem;
}

.post-meta {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.post-summary {
  color: var(--muted);
}

.highlight-cards {
  margin-top: 2rem;
}

.proof-section {
  position: relative;
  overflow: hidden;
}

.proof-section > .container {
  position: relative;
  z-index: 1;
}

.proof-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("proof-parametric-grid-texture.webp") center / cover no-repeat;
  opacity: 1;
  mask-image:
    linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.7) 8%, rgba(0, 0, 0, 0.9) 18%, rgba(0, 0, 0, 0.9) 82%, rgba(0, 0, 0, 0.7) 92%, transparent 100%),
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.85) 10%, rgba(0, 0, 0, 0.9) 74%, rgba(0, 0, 0, 0.28) 92%, transparent 100%);
  mask-composite: intersect;
  pointer-events: none;
}

.proof-header {
  display: grid;
  gap: 0.9rem;
}

.proof-grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 1.5rem;
}

.proof-card {
  background: rgba(16, 21, 29, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.4rem;
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.25);
}

.proof-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.1rem;
}

.proof-summary {
  color: var(--muted);
}

.proof-summary p {
  margin: 0;
}

.proof-actions {
  margin-top: 1.4rem;
}

.final-cta-card {
  background:
    linear-gradient(145deg, rgba(125, 196, 192, 0.08), rgba(214, 189, 122, 0.045)),
    rgba(16, 21, 29, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 1rem;
}

.highlight-cards ul.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.highlight-cards ul.card-list li {
  background: rgba(16, 21, 29, 0.86);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.28);
}

.approach-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.approach-steps li {
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  background: rgba(16, 21, 29, 0.78);
  list-style: none;
  counter-increment: step;
  position: relative;
}

.approach-steps li::before {
  content: counter(step);
  position: absolute;
  top: -0.75rem;
  left: 1.3rem;
  background: var(--accent);
  color: #02121d;
  font-weight: 700;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 18px rgba(125, 196, 192, 0.28);
}

.contact-form-card {
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.5rem;
  background: rgba(16, 21, 29, 0.82);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.26);
}

.contact-form-grid {
  display: grid;
  gap: 0.7rem;
}

.contact-form-grid label {
  font-weight: 600;
  color: var(--heading);
  margin-top: 0.4rem;
}

.contact-form-grid input,
.contact-form-grid select,
.contact-form-grid textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(8, 11, 16, 0.68);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  font: inherit;
}

.contact-form-grid textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form-grid .h-captcha {
  margin-top: 0.7rem;
}

.contact-form-grid .cta-primary {
  margin-top: 0.6rem;
  width: fit-content;
}

.contact-form-note {
  margin-top: 0.2rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.legal-small {
  margin: 1rem 0 1.5rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.legal-small strong,
.legal-small a {
  color: var(--text);
}

.site-footer {
  padding: 2.5rem 0 1.2rem;
  border-top: 1px solid var(--border);
  background: rgba(8, 11, 16, 0.92);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.footer-col h2 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  color: var(--heading);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-col li {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.footer-col a {
  color: var(--muted);
}

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

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
}

.legal-footnote {
  max-width: 720px;
  margin: 0.35rem auto 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-system {
    min-height: auto;
  }

  .system-shell {
    max-width: 560px;
  }
}

@media (max-width: 768px) {
  .site-header .container {
    gap: 1rem;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 0.45rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero {
    padding-top: 4rem;
  }
}

@media (max-width: 560px) {
  .container {
    padding-inline: 1rem;
  }

  .site-header .container {
    padding: 0.85rem 1rem;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 15vw, 3rem);
  }

  .cta-group {
    width: 100%;
  }

  .cta-primary,
  .cta-secondary {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .system-topline {
    flex-direction: column;
    gap: 0.35rem;
  }

  .system-node + .system-node {
    margin-left: 0;
  }

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

  .audio-feature .audio-card,
  .final-cta-card,
  .service-block,
  .service-card {
    padding: 1.25rem;
  }

  .highlight-cards ul.card-list,
  .approach-steps,
  #focus .section-body ul,
  #differentiators .section-body ul {
    grid-template-columns: 1fr;
  }
}

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