:root {
  --bg: #060b13;
  --surface: #0d1624;
  --surface-2: #121e2f;
  --surface-3: #1a2a3d;
  --text: #f3f7fb;
  --muted: #a7b5c8;
  --dim: #66768a;
  --line: rgba(159, 181, 209, 0.17);
  --line-strong: rgba(143, 190, 230, 0.34);
  --cyber: #8fc8ee;
  --blue: #3b6ea8;
  --accent: #c8a96a;
  --safe: #7ac7a4;
  --warn: #d7b46b;
  --danger: #d77b7b;
  --max: 1160px;
  --wide: 1360px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 0%, rgba(143, 200, 238, 0.1), transparent 34rem),
    radial-gradient(circle at 10% 8%, rgba(200, 169, 106, 0.055), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.025;
  background-image: linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 42px 42px;
}

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

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

h1,
h2,
h3,
.lead,
.btn,
summary {
  word-break: auto-phrase;
  text-wrap: balance;
  letter-spacing: 0;
}

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

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.wide {
  width: min(var(--wide), calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 10, 20, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  height: 34px;
  width: auto;
}

.brand-word {
  display: grid;
  line-height: 1.2;
}

.brand-word strong {
  font-size: 13px;
}

.brand-word span {
  color: var(--dim);
  font: 600 10px/1.2 "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 13px;
  color: var(--muted);
}

.nav a[aria-current="page"],
.nav a:hover {
  color: var(--cyber);
}

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

.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #f5f0e6, var(--accent));
  color: #111722;
  box-shadow: 0 10px 28px rgba(200, 169, 106, 0.18);
}

.btn-secondary {
  border-color: var(--line-strong);
  background: rgba(143, 200, 238, 0.075);
  color: var(--cyber);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--muted);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.hero-network {
  position: absolute;
  inset: 0;
  opacity: 0.85;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
  align-items: start;
  gap: 56px;
  padding-block: clamp(10px, 1.6vh, 18px) 64px;
}

.eyebrow {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin-bottom: 22px;
  color: var(--cyber);
  font: 700 12px/1 "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--cyber);
  box-shadow: 0 0 18px var(--cyber);
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(2.35rem, 5.2vw, 4.35rem);
  line-height: 1.13;
  margin-bottom: 24px;
}

.accent-text {
  color: var(--cyber);
}

.lead {
  max-width: 690px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.brand-promises {
  display: grid;
  gap: 0;
  margin-top: 44px;
  max-width: 720px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.brand-promises div {
  display: grid;
  grid-template-columns: minmax(180px, 0.62fr) minmax(0, 1fr);
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.brand-promises div:last-child {
  border-bottom: 0;
}

.brand-promises strong {
  color: var(--text);
  font: 800 13px/1.4 "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
}

.brand-promises span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.proof-tile,
.card,
.panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 29, 50, 0.92), rgba(10, 20, 36, 0.92));
  border-radius: 8px;
}

.proof-tile {
  padding: 16px;
}

.proof-tile strong {
  display: block;
  font: 800 24px/1 "JetBrains Mono", ui-monospace, monospace;
  color: var(--text);
}

.proof-tile span {
  display: block;
  color: var(--dim);
  font-size: 12px;
  margin-top: 8px;
}

.hero-brief {
  position: relative;
  border: 1px solid rgba(143, 200, 238, 0.28);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(143, 200, 238, 0.085), transparent 42%),
    linear-gradient(180deg, rgba(18, 30, 47, 0.98), rgba(7, 13, 22, 0.98));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.hero-brief::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 200, 238, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 200, 238, 0.045) 1px, transparent 1px);
  background-size: 34px 34px;
}

.brief-head,
.brief-price,
.brief-list,
.brief-footer {
  position: relative;
  z-index: 1;
}

.brief-image {
  position: relative;
  z-index: 1;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: #08101f;
}

.brief-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brief-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 52%, rgba(5, 10, 20, 0.72)),
    linear-gradient(90deg, rgba(5, 10, 20, 0.22), transparent 45%);
  pointer-events: none;
}

.brief-head {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
}

.brief-head span,
.brief-price span,
.brief-footer span,
.price-box span {
  display: block;
  color: var(--dim);
  font: 800 11px/1.2 "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.brief-head strong {
  display: block;
  font-size: 23px;
  line-height: 1.35;
}

.brief-price {
  padding: 28px 24px;
  background: rgba(200, 169, 106, 0.08);
  border-bottom: 1px solid rgba(200, 169, 106, 0.24);
}

.brief-price strong {
  display: block;
  font: 900 clamp(2.3rem, 4vw, 3.6rem)/1 "JetBrains Mono", ui-monospace, monospace;
  color: var(--accent);
}

.brief-price small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.brief-list {
  padding: 8px 24px;
}

.brief-list div {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.brief-list div:last-child {
  border-bottom: 0;
}

.brief-list b {
  color: var(--cyber);
  font: 900 18px/1 "JetBrains Mono", ui-monospace, monospace;
}

.brief-list span {
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
}

.brief-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px 22px;
  background: rgba(5, 10, 20, 0.6);
  border-top: 1px solid var(--line);
}

.brief-footer span {
  margin: 0;
}

.brief-footer strong {
  color: var(--cyber);
  text-align: right;
  line-height: 1.4;
}

.command-board {
  position: relative;
  min-height: 520px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background:
    linear-gradient(120deg, rgba(143, 200, 238, 0.07), transparent 42%),
    linear-gradient(180deg, rgba(16, 29, 50, 0.94), rgba(5, 10, 20, 0.94));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  overflow: hidden;
}

.board-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 14px 16px;
  color: var(--dim);
  font: 700 11px/1 "JetBrains Mono", ui-monospace, monospace;
}

.board-grid {
  position: absolute;
  inset: 48px 0 0;
  background-image:
    linear-gradient(rgba(143, 200, 238, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 200, 238, 0.05) 1px, transparent 1px);
  background-size: 38px 38px;
}

.shield {
  position: absolute;
  width: 240px;
  aspect-ratio: 1;
  inset: 122px 54px auto auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle, rgba(56,213,255,.2), rgba(37,99,235,.04) 62%, transparent 64%);
}

.shield::before,
.shield::after {
  content: "";
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(143, 200, 238, 0.22);
  border-radius: 50%;
  animation: rotate 18s linear infinite;
}

.shield::after {
  inset: 42px;
  border-style: dashed;
  animation-duration: 28s;
  animation-direction: reverse;
}

.shield-mark {
  width: 82px;
  height: 102px;
  clip-path: polygon(50% 0, 88% 14%, 80% 72%, 50% 100%, 20% 72%, 12% 14%);
  background: linear-gradient(180deg, var(--cyber), var(--blue));
  box-shadow: 0 0 50px rgba(143, 200, 238, 0.34);
}

.terminal {
  position: absolute;
  left: 26px;
  bottom: 28px;
  width: min(390px, calc(100% - 52px));
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(2, 7, 15, 0.86);
  border-radius: 8px;
  color: var(--muted);
  font: 500 12px/1.7 "JetBrains Mono", ui-monospace, monospace;
}

.terminal b {
  color: var(--safe);
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

section {
  position: relative;
  padding: 96px 0;
}

.section-alt {
  background: rgba(10, 20, 36, 0.72);
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

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

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: start;
}

.card {
  padding: 28px;
}

.card h3 {
  font-size: 22px;
  line-height: 1.35;
  margin-bottom: 10px;
}

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

.works-preview {
  align-items: stretch;
}

.work-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.work-card:hover,
.work-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(143, 200, 238, 0.42);
  background:
    linear-gradient(135deg, rgba(143, 200, 238, 0.09), transparent 44%),
    linear-gradient(180deg, rgba(18, 30, 47, 0.98), rgba(13, 22, 36, 0.98));
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
}

.work-card .tag {
  align-self: flex-start;
  margin-bottom: 18px;
}

.work-card p {
  flex: 1;
}

.work-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--cyber);
  font-weight: 800;
}

.work-card-cta::after {
  content: "→";
  transition: transform 180ms ease;
}

.work-card:hover .work-card-cta::after,
.work-card:focus-visible .work-card-cta::after {
  transform: translateX(4px);
}

.blog-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  margin-bottom: 36px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.blog-feature h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.2;
  margin-bottom: 14px;
}

.blog-feature p {
  max-width: 760px;
  color: var(--muted);
}

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

.blog-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: inherit;
  background: linear-gradient(180deg, rgba(18, 30, 47, 0.86), rgba(13, 22, 36, 0.86));
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.blog-card:hover,
.blog-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(143, 200, 238, 0.42);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
}

.blog-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #08101f;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--dim);
  font: 800 11px/1.2 "JetBrains Mono", ui-monospace, monospace;
}

.blog-meta span {
  color: var(--cyber);
}

.blog-card h3 {
  font-size: 19px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.blog-card p {
  flex: 1;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 18px;
}

.blog-tags span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--dim);
  font-size: 11px;
}

.blog-card-body > strong {
  color: var(--cyber);
  font-weight: 800;
}

.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 44px;
  align-items: start;
}

.blog-article {
  min-width: 0;
}

.blog-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--dim);
  font: 800 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
}

.blog-hero-image,
.blog-figure {
  overflow: hidden;
  margin: 0 0 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.blog-hero-image img,
.blog-figure img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
}

.blog-figure figcaption,
.blog-caption {
  padding: 12px 16px;
  color: var(--dim);
  font-size: 12px;
}

.blog-article h2 {
  margin: 52px 0 18px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.35;
}

.blog-article h3 {
  margin: 34px 0 12px;
  font-size: 1.25rem;
}

.blog-article p,
.blog-article li {
  color: var(--muted);
}

.blog-article p {
  font-size: 16px;
}

.blog-article li {
  margin-bottom: 8px;
}

.blog-callout {
  margin: 28px 0;
  padding: 20px;
  border: 1px solid rgba(143, 200, 238, 0.26);
  border-radius: 8px;
  background: rgba(143, 200, 238, 0.065);
}

.blog-callout.is-warn,
.blog-callout.is-danger {
  border-color: rgba(200, 169, 106, 0.32);
  background: rgba(200, 169, 106, 0.07);
}

.blog-callout strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.blog-callout p {
  margin: 0;
}

.blog-diagram {
  overflow: auto;
  margin: 28px 0 6px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #050a13;
  color: var(--muted);
  font-size: 12px;
}

.blog-inline-cta {
  margin: 34px 0;
}

.blog-final-cta,
.blog-side-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(200, 169, 106, 0.08), transparent 52%),
    rgba(13, 22, 36, 0.82);
  padding: 28px;
}

.blog-final-cta {
  margin-top: 56px;
}

.blog-sidebar {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 16px;
}

.blog-side-card h2 {
  margin: 14px 0;
  font-size: 20px;
}

.blog-side-card ul {
  padding-left: 18px;
}

.blog-side-card li {
  color: var(--muted);
  margin-bottom: 8px;
}

.blog-side-links {
  display: grid;
  gap: 12px;
}

.blog-side-links a {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.55;
}

.blog-side-links a:hover {
  color: var(--cyber);
}

.featured-card {
  border-color: rgba(200, 169, 106, 0.36);
  background:
    linear-gradient(135deg, rgba(200, 169, 106, 0.1), transparent 42%),
    linear-gradient(180deg, rgba(18, 30, 47, 0.98), rgba(13, 22, 36, 0.98));
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--cyber);
  background: rgba(143, 200, 238, 0.07);
  font-size: 12px;
  font-weight: 700;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.price-box {
  margin: 22px 0 18px;
  padding: 18px;
  border: 1px solid rgba(200, 169, 106, 0.28);
  border-radius: 8px;
  background: rgba(200, 169, 106, 0.07);
}

.price-box strong {
  display: block;
  color: var(--text);
  font: 900 clamp(1.35rem, 2.2vw, 2rem)/1.2 "JetBrains Mono", ui-monospace, monospace;
}

.price-box small {
  display: block;
  color: var(--muted);
  margin-top: 9px;
}

.service-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.service-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, 0.48fr) minmax(260px, 0.62fr);
  gap: 28px;
  align-items: start;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.service-row.is-featured {
  position: relative;
  padding: 34px 28px;
  margin: 18px 0;
  border: 1px solid rgba(200, 169, 106, 0.36);
  border-radius: 10px;
  background:
    linear-gradient(120deg, rgba(200, 169, 106, 0.08), transparent 45%),
    rgba(18, 30, 47, 0.58);
}

.service-row-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.service-row h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.35;
}

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

.service-row-price {
  padding: 18px;
  border: 1px solid rgba(200, 169, 106, 0.28);
  border-radius: 8px;
  background: rgba(200, 169, 106, 0.065);
}

.service-row-price span {
  display: block;
  color: var(--dim);
  font: 800 11px/1.2 "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.service-row-price strong {
  display: block;
  color: var(--text);
  font: 900 clamp(1.25rem, 2vw, 1.75rem)/1.22 "JetBrains Mono", ui-monospace, monospace;
}

.service-row-price small {
  display: block;
  color: var(--muted);
  margin-top: 8px;
}

.service-row-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.service-row-points li {
  position: relative;
  color: var(--muted);
  padding-left: 18px;
  line-height: 1.65;
}

.service-row-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyber);
}

.section-more {
  margin-top: 28px;
  display: flex;
  justify-content: flex-start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(18, 30, 47, 0.72), rgba(13, 22, 36, 0.72));
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr 28px;
  gap: 16px;
  align-items: center;
  min-height: 74px;
  padding: 18px 24px;
  cursor: pointer;
  color: var(--text);
  font-size: 18px;
  font-weight: 800;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary > span {
  color: var(--cyber);
  font: 900 14px/1 "JetBrains Mono", ui-monospace, monospace;
}

.faq-item summary::after {
  content: "+";
  justify-self: end;
  color: var(--muted);
  font: 800 24px/1 "JetBrains Mono", ui-monospace, monospace;
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--line);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 20px 24px 24px;
}

.faq-answer > span {
  color: var(--accent);
  font: 900 14px/1.8 "JetBrains Mono", ui-monospace, monospace;
}

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

.case-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.case-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  font: 800 12px/1 "JetBrains Mono", ui-monospace, monospace;
}

.case-study {
  display: grid;
  gap: 28px;
}

.case-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.case-visual img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.case-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 28px;
  align-items: end;
}

.case-head h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.22;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-list span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(143, 200, 238, 0.045);
  font-size: 12px;
  font-weight: 700;
}

.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
}

.case-panel,
.diagram-panel,
.case-bottom section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(18, 30, 47, 0.76), rgba(13, 22, 36, 0.76));
  padding: 24px;
}

.case-panel h3,
.diagram-panel h3,
.case-bottom h3 {
  font-size: 18px;
  margin-bottom: 14px;
}

.case-panel p,
.case-panel li {
  color: var(--muted);
}

.case-diagrams {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
  gap: 18px;
}

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.before-after > div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.before-after span {
  display: block;
  color: var(--cyber);
  font: 900 12px/1 "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.before-after p {
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 14px;
}

.mini-flow {
  display: grid;
  gap: 10px;
}

.mini-flow div {
  position: relative;
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  font-weight: 700;
}

.mini-flow div:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 22px;
  bottom: -11px;
  width: 1px;
  height: 10px;
  background: var(--line-strong);
}

.case-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.capability-subhead {
  margin-top: 76px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.capability-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(18, 30, 47, 0.74), rgba(13, 22, 36, 0.74));
  padding: 24px;
}

.capability-card h3 {
  margin-bottom: 10px;
}

.capability-card p {
  color: var(--muted);
}

.capability-group {
  margin-top: 20px;
}

.capability-group h4 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 14px;
}

.concern-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  border-top: 1px solid var(--line);
}

.concern-list div {
  position: relative;
  padding: 16px 0 16px 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.concern-list div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.capability-message {
  margin-top: 64px;
  padding: 36px;
  border: 1px solid rgba(200, 169, 106, 0.34);
  border-radius: 10px;
  background:
    linear-gradient(120deg, rgba(200, 169, 106, 0.08), transparent 50%),
    rgba(6, 11, 19, 0.72);
}

.capability-message p {
  color: var(--muted);
}

.capability-message h3 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  margin: 8px 0 10px;
}

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

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

.ruled-list {
  border-top: 1px solid var(--line);
}

.ruled-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.ruled-item dt {
  color: var(--dim);
  font: 700 12px/1.5 "JetBrains Mono", ui-monospace, monospace;
}

.ruled-item dd {
  margin: 0;
  color: var(--muted);
}

.big-number {
  font: 900 clamp(4.4rem, 11vw, 9rem)/0.86 "JetBrains Mono", ui-monospace, monospace;
  color: rgba(143, 200, 238, 0.16);
  margin-bottom: 26px;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  color: var(--cyber);
  font: 900 34px/1 "JetBrains Mono", ui-monospace, monospace;
}

.step-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--cyber);
  background: rgba(143, 200, 238, 0.055);
  font-size: 12px;
  font-weight: 800;
}

.profile-block {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 42px;
  align-items: center;
}

.profile-img {
  aspect-ratio: 4 / 5;
  width: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.founder-photo {
  object-position: center 34%;
}

.page-hero {
  padding: 84px 0 58px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 10%, rgba(143, 200, 238, 0.1), transparent 30rem),
    rgba(13, 22, 36, 0.72);
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  max-width: 820px;
}

.breadcrumb {
  color: var(--dim);
  font-size: 13px;
  margin-bottom: 24px;
}

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

.form {
  display: grid;
  gap: 18px;
}

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

.field label {
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #07101f;
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(143, 200, 238, 0.22);
  border-color: var(--line-strong);
}

.notice {
  display: none;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(143, 200, 238, 0.06);
}

.notice.is-visible {
  display: block;
}

.doc-content {
  max-width: 920px;
}

.doc-content h2 {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.doc-content h3 {
  margin-top: 28px;
}

.doc-content p,
.doc-content li {
  color: var(--muted);
}

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-top: 1px solid var(--line);
}

.doc-content th,
.doc-content td {
  border-bottom: 1px solid var(--line);
  padding: 14px;
  text-align: left;
  vertical-align: top;
}

.policy-steps {
  counter-reset: policy-step;
  display: grid;
  gap: 0;
  margin: 28px 0 8px;
  border-top: 1px solid var(--line);
}

.policy-steps section {
  counter-increment: policy-step;
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.policy-steps section::before {
  content: counter(policy-step, decimal-leading-zero);
  color: var(--cyber);
  font: 900 30px/1 "JetBrains Mono", ui-monospace, monospace;
}

.policy-steps h3 {
  margin-bottom: 8px;
}

.policy-steps p {
  margin-bottom: 0;
}

.dx-section {
  padding: 72px 0;
}

.dx-lead-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.78fr);
  gap: 44px;
  align-items: start;
}

.dx-statement p:last-child,
.dx-panel p:last-child {
  margin-bottom: 0;
}

.dx-grid,
.dx-kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.dx-card,
.dx-kpi {
  min-height: 112px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(143, 200, 238, 0.07), transparent 52%),
    rgba(13, 22, 36, 0.72);
  padding: 20px;
}

.dx-card span {
  display: block;
  width: 28px;
  height: 3px;
  margin-bottom: 18px;
  background: var(--cyber);
}

.dx-card strong,
.dx-kpi strong {
  display: block;
  line-height: 1.55;
}

.dx-action-list {
  counter-reset: dx-action;
  display: grid;
  border-top: 1px solid var(--line);
}

.dx-action {
  counter-increment: dx-action;
  display: grid;
  grid-template-columns: 86px minmax(220px, 0.55fr) minmax(0, 1fr);
  align-items: start;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.dx-action::before {
  content: counter(dx-action, decimal-leading-zero);
  color: var(--cyber);
  font: 900 32px/1 "JetBrains Mono", ui-monospace, monospace;
}

.dx-action h3 {
  margin: 0;
  font-size: 20px;
}

.dx-action p,
.dx-panel p {
  color: var(--muted);
}

.dx-action p {
  margin: 0;
  max-width: 680px;
}

.dx-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.dx-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(18, 30, 47, 0.76), rgba(13, 22, 36, 0.76));
  padding: 28px;
}

.dx-panel h2 {
  margin-bottom: 14px;
}

.dx-kpi {
  display: flex;
  align-items: center;
  min-height: 86px;
}

.dx-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 38px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.dx-meta div {
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

.dx-meta div:last-child {
  border-right: 0;
}

.dx-meta dt {
  color: var(--dim);
  font: 800 11px/1.2 "JetBrains Mono", ui-monospace, monospace;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.dx-meta dd {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #030711;
  padding: 56px 0 34px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 0.9fr;
  gap: 34px;
}

.site-footer h2,
.site-footer h3 {
  font-size: 14px;
}

.site-footer p,
.site-footer a,
.site-footer li {
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.copyright {
  border-top: 1px solid var(--line);
  margin-top: 38px;
  padding-top: 24px;
  color: var(--dim);
  font: 600 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 16px;
    right: 16px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(5, 10, 20, 0.98);
    flex-direction: column;
  }

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

  .menu-btn {
    display: inline-grid;
    place-items: center;
  }

  .header-actions .btn {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner,
  .two-col,
  .profile-block,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .command-board {
    min-height: 420px;
  }

  .hero-brief {
    max-width: 620px;
  }

  .shield {
    width: 190px;
    inset: 82px 30px auto auto;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .service-row,
  .service-row.is-featured {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px 0;
    margin: 0;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  .case-head,
  .case-grid,
  .case-diagrams,
  .case-bottom,
  .before-after,
  .capability-grid,
  .concern-list,
  .blog-feature,
  .blog-grid,
  .blog-layout,
  .dx-lead-grid,
  .dx-grid,
  .dx-two,
  .dx-kpi-grid,
  .dx-meta {
    grid-template-columns: 1fr;
  }

  .dx-meta div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .dx-meta div:last-child {
    border-bottom: 0;
  }

  .blog-feature {
    align-items: start;
  }

  .blog-sidebar {
    position: static;
  }

  .case-visual img {
    aspect-ratio: 16 / 10;
  }

  .policy-steps section {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .container,
  .wide {
    width: min(100% - 28px, var(--max));
  }

  .brand-word {
    display: none;
  }

  .hero-inner {
    padding-block: 18px 52px;
    gap: 34px;
  }

  .page-hero {
    padding: 48px 0 42px;
  }

  section {
    padding: 68px 0;
  }

  .dx-section {
    padding: 56px 0;
  }

  .dx-action {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 22px 0;
  }

  .dx-card,
  .dx-panel {
    padding: 22px;
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .brand-promises div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .brief-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .brief-footer strong {
    text-align: left;
  }

  .ruled-item,
  .step {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .card {
    padding: 22px;
  }
}