:root {
  color-scheme: dark;

  --bg: #0b1220;
  --bg2: #0b1730;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.12);

  --text: #e8eef9;
  --muted: #a7b3c6;

  --accent: #2f88ff;
  --accent-2: #a255ff;
  --danger: #ff5b6e;
  --success: #35d39b;

  --shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --radius-sm: 12px;

  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 30% -10%, rgba(47, 136, 255, 0.35), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(77, 228, 194, 0.22), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  min-height: 100vh;
}

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

img {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

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

.small {
  font-size: 0.92rem;
}

.skip-link {
  position: absolute;
  left: 14px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid var(--border);
  transform: translateY(-150%);
  transition: transform 120ms ease;
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid rgba(47, 136, 255, 0.8);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(11, 18, 32, 0.62);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
}

.brand-mark {
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.35));
}

.brand-name {
  font-weight: 740;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}

.nav-link {
  color: rgba(232, 238, 249, 0.9);
  font-weight: 560;
  padding: 9px 10px;
  border-radius: 10px;
  white-space: nowrap;
  transition: background 120ms ease, color 120ms ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 650;
  letter-spacing: 0.2px;
  cursor: pointer;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(47, 136, 255, 0.95), rgba(77, 228, 194, 0.55));
  border-color: rgba(47, 136, 255, 0.35);
  box-shadow: 0 16px 40px rgba(47, 136, 255, 0.18);
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.07);
}

.header-cta {
  display: inline-flex;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 6px;
  cursor: pointer;
}

.lang-pill {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: rgba(232, 238, 249, 0.86);
  font-weight: 650;
}

.lang-pill[aria-current="true"] {
  background: rgba(47, 136, 255, 0.18);
  border: 1px solid rgba(47, 136, 255, 0.35);
  color: var(--text);
}

.hero {
  padding: 140px 0 90px 0;
}

.hero-inner {
  display: grid;
  gap: 16px;
  text-align: center;
  justify-items: center;
  max-width: 980px;
  margin: 0 auto;
}

.kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(232, 238, 249, 0.9);
  font-weight: 650;
}

.hero-title {
  font-size: clamp(2.6rem, 4.2vw + 1rem, 4.2rem);
  line-height: 1.03;
  margin: 0;
  letter-spacing: -0.5px;
  font-weight: 860;
  display: grid;
  gap: 6px;
}

.hero-title-line {
  display: block;
}

.hero-title-line-sm {
  font-size: clamp(1.6rem, 2.2vw + 0.8rem, 2.4rem);
  font-weight: 820;
  color: rgba(232, 238, 249, 0.92);
}

.hero-title-accent {
  display: block;
  background: linear-gradient(90deg, rgba(47, 136, 255, 0.95), rgba(77, 228, 194, 0.85));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  margin: 0;
  color: rgba(232, 238, 249, 0.9);
  font-size: 1.08rem;
  line-height: 1.6;
  max-width: 62ch;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 6px;
  justify-content: center;
}

.hero-divider {
  width: 100%;
  max-width: 760px;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin-top: 22px;
}

.hero-logos {
  list-style: none;
  padding: 0;
  margin: 18px 0 0 0;
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 1;
}

.logo-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 14px;
  transition: background 160ms ease, transform 160ms ease;
}

.logo-img {
  display: block;
  height: 28px;
  width: auto;
  opacity: 0.42;
  transition: opacity 180ms ease, filter 180ms ease, transform 180ms ease;
  filter: brightness(1.05);
}

@media (hover: hover) {
  .hero-logos:hover .logo-img {
    opacity: 0.26;
  }

  .logo-item:hover {
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-1px);
  }

  .logo-item:hover .logo-img {
    opacity: 1;
    filter: brightness(1.35) drop-shadow(0 0 16px rgba(47, 136, 255, 0.55));
    transform: translateY(-1px);
  }
}

.hero-bullets {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0 0;
  list-style: none;
  max-width: 720px;
}

.hero-bullets li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
}

.hero-bullets li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 3px rgba(47, 136, 255, 0.12);
  flex: 0 0 auto;
}

.section {
  padding: 64px 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section-header {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.section-header.center {
  text-align: center;
  justify-items: center;
}

.section-header h2 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.2px;
}

.section-lead {
  margin: 0;
  color: var(--muted);
  max-width: 78ch;
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 14px;
}

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

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

.depth-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.kb-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

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

.pillars {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pillar h3 {
  margin: 0 0 8px 0;
  font-size: 1.05rem;
}

.pillar p {
  margin: 0;
  color: var(--muted);
}

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

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

.card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius);
  padding: 18px 18px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

.card h3 {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
}

.card p {
  margin: 0 0 12px 0;
  color: rgba(232, 238, 249, 0.92);
  line-height: 1.6;
}

.card-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(232, 238, 249, 0.92);
}

.icon svg {
  display: block;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
  margin-bottom: 6px;
}

.expertise-card {
  padding: 22px;
  display: grid;
  align-content: start;
  --card-accent: rgba(47, 136, 255, 0.95);
}

.expertise-card p {
  color: rgba(167, 179, 198, 0.92);
}

.expertise-card--purple {
  --card-accent: rgba(162, 85, 255, 0.95);
}

.expertise-card--purple .card-icon {
  background: linear-gradient(135deg, rgba(162, 85, 255, 0.35), rgba(47, 136, 255, 0.12));
}

.expertise-card--blue {
  --card-accent: rgba(47, 136, 255, 0.95);
}

.expertise-card--blue .card-icon {
  background: linear-gradient(135deg, rgba(47, 136, 255, 0.35), rgba(47, 136, 255, 0.12));
}

.expertise-card--green {
  --card-accent: rgba(77, 228, 194, 0.9);
}

.expertise-card--green .card-icon {
  background: linear-gradient(135deg, rgba(77, 228, 194, 0.28), rgba(47, 136, 255, 0.08));
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 14px 0 0 0;
  display: grid;
  gap: 10px;
  color: var(--muted);
  line-height: 1.5;
}

.checklist li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.checklist li::before {
  content: "✓";
  font-weight: 900;
  color: var(--card-accent, rgba(77, 228, 194, 0.9));
  margin-top: 1px;
}

.card-link {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--card-accent, rgba(47, 136, 255, 0.92));
}

.card-link:hover {
  text-decoration: underline;
}

.depth-split {
  display: grid;
  grid-template-columns: 1.05fr 1.35fr;
  gap: 18px;
  align-items: start;
}

.depth-left .section-header {
  margin-bottom: 18px;
}

.depth-card {
  padding: 16px 16px;
  background: rgba(255, 255, 255, 0.04);
}

.depth-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.18);
  margin-bottom: 10px;
}

.depth-card h3 {
  margin: 0 0 6px 0;
  font-size: 1.04rem;
}

.depth-card p {
  margin: 0;
  color: var(--muted);
}

.code-card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.22);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  opacity: 0.9;
}

.dot-red {
  background: #ff5b6e;
}

.dot-yellow {
  background: #ffcc4d;
}

.dot-green {
  background: #35d39b;
}

.code-bar-title {
  margin-left: 10px;
  color: rgba(232, 238, 249, 0.78);
  font-weight: 650;
  font-size: 0.92rem;
}

.code-pre {
  margin: 0;
  padding: 16px 18px 18px 18px;
  overflow: auto;
}

.code-pre code {
  display: block;
  white-space: pre;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(232, 238, 249, 0.9);
}

.kb-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(167, 179, 198, 0.9);
  margin-bottom: 10px;
}

.kb-kicker::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, rgba(47, 136, 255, 1), rgba(162, 85, 255, 1));
  box-shadow: 0 0 0 4px rgba(162, 85, 255, 0.12);
}

.kb-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.kb-title {
  margin: 0;
  font-size: 2.2rem;
  letter-spacing: -0.3px;
}

.kb-cta {
  font-weight: 750;
  color: rgba(232, 238, 249, 0.85);
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
  white-space: nowrap;
}

.kb-cta:hover {
  background: rgba(255, 255, 255, 0.06);
}

.kb-card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.kb-card-top {
  height: 86px;
  display: flex;
  align-items: center;
  padding: 14px 16px;
}

.kb-card-top .icon {
  opacity: 0.25;
  transform: scale(1.65);
  color: rgba(255, 255, 255, 0.95);
}

.kb-card-body {
  padding: 14px 16px 16px 16px;
}

.kb-tag {
  font-size: 0.82rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(167, 179, 198, 0.88);
  margin-bottom: 8px;
}

.kb-card-title {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.35;
  color: rgba(232, 238, 249, 0.95);
}

.kb-card--purple .kb-card-top {
  background: linear-gradient(135deg, rgba(162, 85, 255, 0.85), rgba(47, 136, 255, 0.65));
}

.kb-card--blue .kb-card-top {
  background: linear-gradient(135deg, rgba(47, 136, 255, 0.9), rgba(47, 136, 255, 0.5));
}

.kb-card--green .kb-card-top {
  background: linear-gradient(135deg, rgba(77, 228, 194, 0.75), rgba(47, 136, 255, 0.45));
}

.kb-card--orange .kb-card-top {
  background: linear-gradient(135deg, rgba(255, 153, 60, 0.95), rgba(255, 91, 110, 0.55));
}

.kb-card-link {
  display: block;
  color: inherit;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.kb-card-link:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.16);
}

.kb-page-title {
  margin: 0;
  font-size: clamp(2.2rem, 2.8vw + 1rem, 3rem);
  letter-spacing: -0.4px;
}

.kb-articles {
  display: grid;
  gap: 16px;
}

.kb-article {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 22px;
}

.kb-article-head {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.kb-article-title {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.25px;
}

.kb-article-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  max-width: 90ch;
}

.kb-article h3 {
  margin: 16px 0 8px 0;
  font-size: 1.08rem;
  letter-spacing: -0.1px;
}

.kb-article p {
  margin: 0 0 10px 0;
  color: rgba(232, 238, 249, 0.92);
  line-height: 1.75;
  max-width: 90ch;
}

.kb-list {
  margin: 0 0 10px 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 90ch;
}

.kb-code {
  margin: 12px 0 10px 0;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.22);
  overflow: auto;
}

.kb-code code {
  display: block;
  white-space: pre;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(232, 238, 249, 0.9);
}

.kb-backtop {
  position: absolute;
  right: 14px;
  top: 14px;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(232, 238, 249, 0.8);
}

.kb-backtop:hover {
  background: rgba(255, 255, 255, 0.06);
}

.eng-card {
  padding: 26px 22px;
  text-align: center;
}

.eng-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
  margin: 0 auto 12px auto;
}

.eng-card p {
  margin: 0;
  color: var(--muted);
}

.tags {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(232, 238, 249, 0.92);
  font-weight: 620;
  font-size: 0.92rem;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.step {
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius);
  padding: 16px 16px;
}

.step h3 {
  margin: 0 0 6px 0;
  letter-spacing: -0.1px;
}

.step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.contact-split {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 18px;
  align-items: start;
}

.contact-left {
  padding-top: 6px;
}

.contact-title {
  margin: 0 0 10px 0;
  font-size: 2.2rem;
  letter-spacing: -0.3px;
}

.form-compact {
  padding: 22px 22px;
}

.btn-block {
  width: 100%;
}

.btn-block.btn {
  justify-content: center;
}

.form {
  display: grid;
  gap: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field {
  display: grid;
  gap: 8px;
}

label {
  font-weight: 650;
  color: rgba(232, 238, 249, 0.94);
}

input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  padding: 12px 12px;
  outline: none;
  font: inherit;
}

textarea {
  resize: vertical;
  min-height: 140px;
}

input:focus,
textarea:focus {
  border-color: rgba(47, 136, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(47, 136, 255, 0.12);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: rgba(255, 91, 110, 0.65);
  box-shadow: 0 0 0 4px rgba(255, 91, 110, 0.14);
}

.field-error {
  min-height: 18px;
  margin: 0;
  color: rgba(255, 91, 110, 0.92);
  font-size: 0.92rem;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  user-select: none;
}

.checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.hp {
  position: absolute;
  left: -99999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  display: grid;
  gap: 10px;
}

.form-status {
  margin: 0;
  min-height: 18px;
}

.form-status[data-kind="success"] {
  color: rgba(53, 211, 155, 0.92);
}

.form-status[data-kind="error"] {
  color: rgba(255, 91, 110, 0.92);
}

.site-footer {
  padding: 26px 0 34px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.18);
}

.footer-inner {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 740;
}

@media (max-width: 980px) {
  .cards,
  .pillars,
  .expertise-grid,
  .about-grid,
  .expertise-cards,
  .engineering-grid,
  .kb-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .depth-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .header-inner {
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    gap: 8px;
    margin-left: 0;
    padding: 6px 0 0 0;
  }

  .header-inner {
    gap: 12px;
  }

  .brand {
    min-width: auto;
  }

  .cards,
  .pillars,
  .expertise-grid,
  .about-grid,
  .expertise-cards,
  .engineering-grid,
  .kb-grid,
  .depth-cards {
    grid-template-columns: 1fr;
  }

  .depth-split,
  .contact-split {
    grid-template-columns: 1fr;
  }

  .kb-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .field-row {
    grid-template-columns: 1fr;
  }
}