:root {
  --ink: #080a0d;
  --paper: #f8f5ea;
  --soft: #fffdf5;
  --muted: #6f756f;
  --line: rgba(8, 10, 13, 0.13);
  --green: #1f8b68;
  --lime: #d7ff5d;
  --blue: #4b6fff;
  --cyan: #a9efe4;
  --coral: #ff765f;
  --shadow: 0 34px 120px rgba(8, 10, 13, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Albert Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 80% 8%, rgba(215, 255, 93, 0.42), transparent 22rem),
    radial-gradient(circle at 9% 14%, rgba(75, 111, 255, 0.18), transparent 24rem),
    linear-gradient(rgba(8, 10, 13, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 10, 13, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: auto, auto, 44px 44px, 44px 44px, auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(248, 245, 234, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: max-content;
  font-weight: 900;
}

.brand span {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 0.75rem;
  background: var(--lime);
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 0.78rem;
}

nav {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 245, 0.78);
}

nav a {
  padding: 0.58rem 0.92rem;
  border-radius: 999px;
  color: #4d524e;
  font-size: 0.94rem;
  font-weight: 800;
}

nav a:hover {
  background: var(--soft);
  color: var(--ink);
}

.nav-action {
  justify-self: end;
  padding: 0.76rem 1.05rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--soft);
  font-weight: 900;
}

.hero,
.section,
.closing,
footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  display: grid;
  min-height: calc(100vh - 4.8rem);
  grid-template-columns: minmax(0, 0.95fr) minmax(30rem, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(4rem, 7vw, 7rem) 0 4rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 8.6em;
  margin-bottom: 1.25rem;
  font-size: clamp(3.7rem, 7.2vw, 7.2rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h1 span {
  color: var(--green);
}

.hero-lead {
  max-width: 42rem;
  color: #3f4741;
  font-size: clamp(1.05rem, 1.55vw, 1.32rem);
  font-weight: 650;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3.15rem;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.18rem;
  border: 1px solid var(--ink);
  border-radius: 0.8rem;
  font-weight: 950;
}

.button.primary {
  background: var(--ink);
  color: var(--soft);
  box-shadow: 5px 5px 0 var(--lime);
}

.button.secondary {
  background: rgba(255, 253, 245, 0.76);
}

.product-stage {
  position: relative;
}

.product-stage::before {
  content: "";
  position: absolute;
  inset: -2.5rem -1.5rem auto auto;
  width: 17rem;
  height: 17rem;
  border-radius: 50%;
  background: rgba(215, 255, 93, 0.55);
  filter: blur(4px);
}

.stage-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 1.25rem;
  background: var(--soft);
  box-shadow: var(--shadow), 8px 8px 0 var(--ink);
}

.stage-top {
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--ink);
  background: #ebe7db;
  color: #4b514b;
  font-size: 0.86rem;
  font-weight: 900;
}

.stage-top b {
  color: var(--green);
}

.stage-body {
  display: grid;
  grid-template-columns: 12rem 1fr;
  min-height: 34rem;
}

.stage-body aside {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1rem;
  border-right: 1px solid var(--ink);
  background: #f3f0e5;
}

.stage-body em {
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 253, 245, 0.82);
  font-style: normal;
  font-weight: 850;
}

.stage-body em.active {
  border-color: var(--ink);
  background: var(--lime);
}

.stage-body section {
  position: relative;
  min-height: 34rem;
  padding: 1.15rem;
  background:
    radial-gradient(circle at 75% 22%, rgba(169, 239, 228, 0.9), transparent 12rem),
    radial-gradient(circle at 18% 80%, rgba(255, 118, 95, 0.22), transparent 13rem),
    linear-gradient(rgba(8, 10, 13, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 10, 13, 0.05) 1px, transparent 1px),
    #fffdf5;
  background-size: auto, auto, 34px 34px, 34px 34px, auto;
}

.insight-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 4rem;
}

.insight-head p {
  margin: 0;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.insight-head strong {
  padding: 0.38rem 0.6rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--lime);
  font-size: 0.78rem;
}

.signal {
  position: absolute;
  width: min(19rem, calc(100% - 2rem));
  padding: 1rem;
  border: 1px solid var(--ink);
  border-radius: 1rem;
  background: rgba(255, 253, 245, 0.9);
  box-shadow: 4px 4px 0 rgba(8, 10, 13, 0.18);
}

.signal b,
.signal span {
  display: block;
}

.signal b {
  margin-bottom: 0.38rem;
  font-size: 1.15rem;
}

.signal span {
  color: var(--muted);
  line-height: 1.55;
}

.signal-a {
  left: 1.2rem;
  top: 7rem;
}

.signal-b {
  right: 1.2rem;
  top: 14.5rem;
}

.signal-c {
  left: 4.5rem;
  bottom: 2rem;
  background: var(--ink);
  color: var(--soft);
}

.signal-c span {
  color: rgba(255, 253, 245, 0.72);
}

.workspace-panel {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.9rem;
  margin-top: 3rem;
  padding: 1rem;
  border: 1px solid rgba(8, 10, 13, 0.18);
  border-radius: 1rem;
  background: rgba(255, 253, 245, 0.72);
  box-shadow: 5px 5px 0 rgba(8, 10, 13, 0.16);
}

.workspace-query {
  justify-self: end;
  max-width: 75%;
  padding: 0.8rem 1rem;
  border-radius: 0.9rem;
  background: var(--ink);
  color: var(--soft);
  font-weight: 850;
}

.workspace-answer {
  display: grid;
  gap: 0.4rem;
  max-width: 82%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--soft);
}

.workspace-answer span {
  color: var(--muted);
  line-height: 1.6;
}

.workspace-sources,
.workspace-dock {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.workspace-sources span {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green);
  background: rgba(255, 253, 245, 0.86);
  font-size: 0.82rem;
  font-weight: 900;
}

.workspace-dock {
  position: absolute;
  left: 1.15rem;
  right: 1.15rem;
  bottom: 1.15rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.workspace-dock article {
  padding: 0.85rem;
  border: 1px solid rgba(8, 10, 13, 0.13);
  border-radius: 0.85rem;
  background: rgba(255, 253, 245, 0.8);
}

.workspace-dock b,
.workspace-dock span {
  display: block;
}

.workspace-dock b {
  color: var(--muted);
  font-size: 0.78rem;
}

.workspace-dock span {
  margin-top: 0.25rem;
  color: var(--green);
  font-size: 1.7rem;
  font-weight: 950;
}

.section {
  padding: clamp(4.5rem, 8vw, 7rem) 0 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.section-heading.compact {
  display: block;
  max-width: 64rem;
}

.section-heading h2,
.intelligence-copy h2,
.closing h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 5.7rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.delivery .section-heading h2 {
  max-width: 15em;
  font-size: clamp(2.1rem, 3.1vw, 3.45rem);
  line-height: 1.02;
}

.delivery .section-heading {
  display: block;
  margin-bottom: 1.35rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ink);
  border-radius: 1.2rem;
  overflow: hidden;
  background: var(--soft);
  box-shadow: 7px 7px 0 var(--ink);
}

.ai-capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.ai-capability-grid article {
  min-height: 23rem;
  padding: 1.25rem;
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: var(--soft);
  box-shadow: 4px 4px 0 rgba(8, 10, 13, 0.18);
}

.ai-capability-grid h3 {
  margin: 1.1rem 0 0.65rem;
  font-size: 1.4rem;
}

.ai-capability-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.cap-preview {
  display: grid;
  min-height: 9.5rem;
  gap: 0.65rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background:
    linear-gradient(rgba(8, 10, 13, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 10, 13, 0.04) 1px, transparent 1px),
    rgba(255, 253, 245, 0.72);
  background-size: 22px 22px;
}

.qa-preview div {
  align-self: start;
  padding: 0.7rem;
  border-radius: 0.8rem;
  background: var(--ink);
  color: var(--soft);
  font-size: 0.86rem;
  font-weight: 850;
}

.qa-preview p {
  margin: 0;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--soft);
  font-size: 0.86rem;
}

.report-preview i {
  display: block;
  height: 1.05rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--lime));
}

.report-preview i:nth-child(2) {
  width: 78%;
}

.report-preview i:nth-child(3) {
  width: 58%;
}

.todo-preview span {
  display: block;
  height: 2rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: rgba(31, 139, 104, 0.12);
}

.chart-preview {
  display: flex;
  align-items: end;
}

.chart-preview i {
  flex: 1;
  border: 1px solid var(--ink);
  border-radius: 0.45rem 0.45rem 0 0;
  background: linear-gradient(180deg, var(--lime), var(--cyan));
}

.chart-preview i:nth-child(1) {
  height: 42%;
}

.chart-preview i:nth-child(2) {
  height: 72%;
}

.chart-preview i:nth-child(3) {
  height: 56%;
}

.chart-preview i:nth-child(4) {
  height: 88%;
}

.platform-grid article {
  min-height: 20rem;
  padding: 1.45rem;
  border-right: 1px solid var(--ink);
}

.platform-grid article:last-child {
  border-right: 0;
}

.platform-grid span {
  display: block;
  margin-bottom: 5rem;
  color: var(--green);
  font-size: 2.4rem;
  font-weight: 950;
}

.platform-grid h3,
.system-card h3,
.delivery-strip h3 {
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
}

.platform-grid p,
.system-card span,
.intelligence-copy p,
.intelligence-panel span,
.delivery-strip p,
footer {
  color: var(--muted);
  line-height: 1.72;
}

.system-showcase {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.system-card {
  display: flex;
  min-height: 17.5rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: rgba(255, 253, 245, 0.86);
  box-shadow: 4px 4px 0 rgba(8, 10, 13, 0.18);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.system-card:hover {
  transform: translateY(-4px);
  box-shadow: 7px 7px 0 var(--ink);
}

.system-card.hero-card {
  grid-column: span 2;
  grid-row: span 2;
  display: flex;
  min-height: 36rem;
  flex-direction: column;
  justify-content: space-between;
  background:
    radial-gradient(circle at 74% 20%, rgba(215, 255, 93, 0.78), transparent 14rem),
    linear-gradient(135deg, rgba(169, 239, 228, 0.7), transparent 45%),
    var(--soft);
}

.ai-first-showcase {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

.system-card.ai-hero-card {
  grid-column: 1 / -1;
  min-height: 31rem;
  background:
    radial-gradient(circle at 78% 18%, rgba(215, 255, 93, 0.92), transparent 15rem),
    radial-gradient(circle at 18% 66%, rgba(75, 111, 255, 0.18), transparent 16rem),
    #080a0d;
  color: var(--soft);
}

.system-card.ai-hero-card p {
  color: var(--lime);
}

.system-card.ai-hero-card h3 {
  max-width: 8em;
  font-size: clamp(3.1rem, 5.2vw, 6rem);
  line-height: 0.92;
}

.system-card.ai-hero-card > div > span {
  color: rgba(255, 253, 245, 0.76);
}

.ai-first-showcase .system-card:not(.ai-hero-card) {
  grid-column: span 1;
  min-height: 18rem;
}

.ai-first-showcase .system-card:not(.ai-hero-card) p {
  margin-bottom: 1.4rem;
}

.ai-first-showcase .system-card:not(.ai-hero-card) h3 {
  font-size: 1.35rem;
}

.system-card.dark {
  background: var(--ink);
  color: var(--soft);
}

.system-card p {
  margin-bottom: 4rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.system-card.dark p {
  color: var(--lime);
}

.system-card.hero-card h3 {
  max-width: 7em;
  font-size: clamp(3rem, 5.4vw, 6rem);
  line-height: 0.92;
}

.system-card.hero-card span {
  max-width: 31rem;
  font-size: 1.12rem;
}

.system-card ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.system-card li {
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 253, 245, 0.72);
  font-weight: 850;
}

.mini-preview {
  display: grid;
  gap: 0.8rem;
  min-height: 7rem;
  margin: 1rem 0;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background:
    linear-gradient(rgba(8, 10, 13, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 10, 13, 0.04) 1px, transparent 1px),
    rgba(255, 253, 245, 0.72);
  background-size: 22px 22px;
}

.mini-preview small {
  color: var(--muted);
  font-weight: 850;
}

.ai-preview {
  min-height: 13rem;
  border-color: rgba(255, 253, 245, 0.2);
  background:
    linear-gradient(rgba(255, 253, 245, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 253, 245, 0.06) 1px, transparent 1px),
    rgba(255, 253, 245, 0.08);
  background-size: 26px 26px;
}

.chat-line {
  width: fit-content;
  max-width: 88%;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(255, 253, 245, 0.22);
  border-radius: 0.9rem;
  color: var(--soft);
  font-weight: 850;
}

.chat-line.user {
  justify-self: end;
  background: rgba(215, 255, 93, 0.18);
}

.chat-line.bot {
  background: rgba(255, 253, 245, 0.1);
}

.ai-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-self: end;
}

.ai-tools span {
  padding: 0.45rem 0.62rem;
  border: 1px solid rgba(255, 253, 245, 0.2);
  border-radius: 999px;
  color: var(--lime);
  font-size: 0.82rem;
  font-weight: 900;
}

.mini-bars {
  display: flex;
  height: 4rem;
  align-items: end;
  gap: 0.45rem;
}

.mini-bars i {
  flex: 1;
  border: 1px solid var(--ink);
  border-radius: 0.45rem 0.45rem 0 0;
  background: linear-gradient(180deg, var(--lime), var(--cyan));
}

.mini-timeline {
  display: grid;
  gap: 0.55rem;
}

.mini-timeline i {
  display: block;
  height: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--lime));
}

.mini-timeline i:nth-child(2) {
  width: 82%;
}

.mini-timeline i:nth-child(3) {
  width: 64%;
}

.mini-timeline i:nth-child(4) {
  width: 92%;
}

.mini-search {
  padding: 0.85rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--soft);
  color: #3f4741;
  font-size: 0.86rem;
  font-weight: 850;
}

.mini-table {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}

.mini-table i {
  min-height: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: rgba(31, 139, 104, 0.12);
}

.card-link {
  display: block;
  margin-top: 1.25rem;
  color: var(--green);
  font-size: 0.95rem;
}

.system-card.dark .card-link {
  color: var(--lime);
}

.solution-depth .depth-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.depth-grid article {
  min-height: 16rem;
  padding: 1.3rem;
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: var(--soft);
}

.depth-grid h3 {
  margin: 1rem 0 0.7rem;
  font-size: 1.45rem;
}

.depth-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.role-preview {
  display: grid;
  min-height: 6.5rem;
  gap: 0.5rem;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(255, 253, 245, 0.7);
}

.role-preview i {
  display: block;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: rgba(31, 139, 104, 0.12);
}

.dashboard-role {
  grid-template-columns: 1fr 1fr;
}

.dashboard-role i:first-child {
  grid-row: span 2;
  background: linear-gradient(135deg, var(--cyan), var(--lime));
}

.task-role i,
.profile-role i,
.ai-role i {
  min-height: 1.1rem;
}

.ai-role i {
  background: linear-gradient(90deg, rgba(8, 10, 13, 0.9), rgba(31, 139, 104, 0.5));
}

.intelligence {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.intelligence-copy,
.intelligence-panel {
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: var(--soft);
  box-shadow: 6px 6px 0 var(--ink);
}

.intelligence-copy {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.intelligence-copy p:last-child {
  margin: 1.3rem 0 0;
  font-size: 1.05rem;
}

.intelligence-panel {
  display: grid;
  overflow: hidden;
}

.intelligence-panel div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem;
  border-bottom: 1px solid var(--ink);
}

.intelligence-panel div:last-child {
  border-bottom: 0;
}

.intelligence-panel b {
  font-size: 1.08rem;
}

.delivery-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.delivery-strip article {
  min-height: 12rem;
  padding: 1.35rem;
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: var(--soft);
}

.delivery-cta {
  margin-top: 1rem;
}

.detail-hero,
.detail-grid,
.detail-band,
.contact-layout {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.detail-hero {
  padding: clamp(4.5rem, 8vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
}

.detail-hero h1,
.contact-copy h1 {
  max-width: 9em;
  margin-bottom: 1.4rem;
  font-size: clamp(4rem, 8vw, 8rem);
  line-height: 0.9;
}

.detail-hero p:last-child,
.contact-copy p:last-child {
  max-width: 50rem;
  color: #3f4741;
  font-size: clamp(1.08rem, 1.6vw, 1.34rem);
  font-weight: 650;
  line-height: 1.75;
}

.ai-detail h1 {
  color: var(--green);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ink);
  border-radius: 1.2rem;
  overflow: hidden;
  background: var(--soft);
  box-shadow: 7px 7px 0 var(--ink);
}

.detail-grid article {
  min-height: 22rem;
  padding: 1.4rem;
  border-right: 1px solid var(--ink);
}

.detail-grid article:last-child {
  border-right: 0;
}

.detail-grid span {
  display: block;
  margin-bottom: 5rem;
  color: var(--green);
  font-size: 2.3rem;
  font-weight: 950;
}

.detail-grid h2 {
  margin-bottom: 0.8rem;
  font-size: 1.6rem;
}

.detail-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.system-canvas {
  display: grid;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: clamp(1rem, 3vw, 2rem) auto 0;
  padding: clamp(1rem, 2vw, 1.4rem);
  border: 1px solid var(--ink);
  border-radius: 1.2rem;
  background:
    linear-gradient(rgba(8, 10, 13, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 10, 13, 0.045) 1px, transparent 1px),
    var(--soft);
  background-size: 32px 32px;
  box-shadow: 7px 7px 0 var(--ink);
}

.dark-canvas {
  color: var(--soft);
  background:
    radial-gradient(circle at 72% 12%, rgba(215, 255, 93, 0.55), transparent 13rem),
    linear-gradient(rgba(255, 253, 245, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 253, 245, 0.06) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 32px 32px, 32px 32px, auto;
}

.flow-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: rgba(255, 253, 245, 0.72);
}

.dark-canvas .flow-rail {
  border-color: rgba(255, 253, 245, 0.18);
  background: rgba(255, 253, 245, 0.08);
}

.flow-rail b {
  color: var(--green);
}

.dark-canvas .flow-rail b {
  color: var(--lime);
}

.flow-rail span {
  padding: 0.62rem 0.82rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  font-weight: 900;
}

.dark-canvas .flow-rail span {
  border-color: rgba(255, 253, 245, 0.2);
  background: rgba(255, 253, 245, 0.12);
}

.flow-rail i {
  width: 1.2rem;
  height: 1px;
  background: var(--green);
}

.module-stack {
  display: grid;
  gap: 0.75rem;
}

.module-stack article {
  display: grid;
  grid-template-columns: 7rem repeat(4, 1fr);
  gap: 0.7rem;
  align-items: center;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: rgba(255, 253, 245, 0.7);
}

.dark-canvas .module-stack article {
  border-color: rgba(255, 253, 245, 0.16);
  background: rgba(255, 253, 245, 0.07);
}

.module-stack .ai-row {
  background: rgba(215, 255, 93, 0.2);
}

.dark-canvas .module-stack .ai-row {
  background: rgba(215, 255, 93, 0.14);
}

.module-stack b {
  color: var(--green);
}

.dark-canvas .module-stack b {
  color: var(--lime);
}

.module-stack span {
  display: grid;
  min-height: 3rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 253, 245, 0.78);
  color: var(--ink);
  text-align: center;
  font-weight: 850;
}

.detail-band {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
  padding-top: clamp(3rem, 6vw, 5rem);
}

.detail-band > div,
.detail-band ul {
  margin: 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: var(--soft);
  box-shadow: 5px 5px 0 var(--ink);
}

.detail-band h2 {
  margin: 0;
  font-size: clamp(2.4rem, 4.8vw, 5rem);
  line-height: 0.96;
}

.detail-band ul {
  display: grid;
  gap: 0.8rem;
  list-style: none;
}

.detail-band li {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: rgba(255, 253, 245, 0.72);
  font-weight: 850;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--ink);
  border-radius: 1.2rem;
  background: var(--soft);
  box-shadow: 7px 7px 0 var(--ink);
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.9rem 1rem;
  color: var(--ink);
  background: #fffef9;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.closing {
  padding: clamp(5rem, 9vw, 8rem) 0;
  text-align: center;
}

.closing h2 {
  max-width: 12em;
  margin: 0 auto 2rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}

footer strong,
footer span {
  display: block;
}

footer strong {
  color: var(--ink);
  margin-bottom: 0.3rem;
}

footer p {
  max-width: 42rem;
  margin: 0;
  text-align: right;
}

.fde-site .fde-hero,
.fde-site .fde-section,
.fde-site .closing {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.fde-hero {
  display: grid;
  min-height: calc(100vh - 4.8rem);
  grid-template-columns: minmax(0, 0.9fr) minmax(31rem, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
  padding: clamp(4rem, 7vw, 7rem) 0 4rem;
}

.fde-hero h1 {
  max-width: 8em;
  margin-bottom: 1.3rem;
  font-size: clamp(4rem, 8vw, 8rem);
  line-height: 0.9;
}

.fde-hero h1 span {
  color: var(--green);
}

.fde-hero-copy p:not(.eyebrow) {
  max-width: 44rem;
  color: #3f4741;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  font-weight: 650;
  line-height: 1.75;
}

.fde-console,
.architecture-map,
.flowchart,
.system-lab-grid,
.method-grid,
.delivery-cards {
  position: relative;
}

.fde-console {
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 1.25rem;
  background: var(--soft);
  box-shadow: var(--shadow), 8px 8px 0 var(--ink);
}

.console-bar {
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--ink);
  background: #ebe7db;
  color: #4b514b;
  font-weight: 900;
}

.console-bar b {
  color: var(--green);
}

.console-layout {
  display: grid;
  grid-template-columns: 12rem 1fr;
  min-height: 35rem;
}

.console-layout aside {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1rem;
  border-right: 1px solid var(--ink);
  background: #f3f0e5;
}

.console-layout em {
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 253, 245, 0.82);
  font-style: normal;
  font-weight: 850;
}

.console-layout em.active {
  border-color: var(--ink);
  background: var(--lime);
}

.console-layout section {
  display: grid;
  align-content: center;
  gap: 1rem;
  padding: 1.2rem;
  background:
    radial-gradient(circle at 76% 18%, rgba(215, 255, 93, 0.55), transparent 12rem),
    linear-gradient(rgba(8, 10, 13, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 10, 13, 0.05) 1px, transparent 1px),
    #fffdf5;
  background-size: auto, 34px 34px, 34px 34px, auto;
}

.console-question {
  justify-self: end;
  max-width: 80%;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: var(--ink);
  color: var(--soft);
  font-weight: 900;
  line-height: 1.55;
}

.console-answer {
  display: grid;
  gap: 0.45rem;
  max-width: 84%;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 253, 245, 0.86);
}

.console-answer span {
  color: var(--muted);
  line-height: 1.65;
}

.console-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.console-metrics article {
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(255, 253, 245, 0.8);
}

.console-metrics b,
.console-metrics span {
  display: block;
}

.console-metrics b {
  color: var(--muted);
  font-size: 0.78rem;
}

.console-metrics span {
  margin-top: 0.2rem;
  color: var(--green);
  font-size: 1.8rem;
  font-weight: 950;
}

.fde-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0 0;
}

.fde-heading {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.fde-heading h2 {
  max-width: 13em;
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 5.5rem);
  line-height: 0.98;
}

.method-grid,
.delivery-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.method-grid article,
.delivery-cards article {
  min-height: 18rem;
  padding: 1.3rem;
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: var(--soft);
  box-shadow: 4px 4px 0 rgba(8, 10, 13, 0.16);
}

.method-grid span {
  display: block;
  margin-bottom: 4rem;
  color: var(--green);
  font-size: 2.2rem;
  font-weight: 950;
}

.method-grid h3,
.delivery-cards h3 {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.method-grid p,
.delivery-cards p {
  color: var(--muted);
  line-height: 1.7;
}

.architecture-map {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--ink);
  border-radius: 1.25rem;
  background: var(--soft);
  box-shadow: 7px 7px 0 var(--ink);
}

.arch-layer {
  display: grid;
  grid-template-columns: 10rem repeat(5, 1fr);
  gap: 0.7rem;
  align-items: center;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
}

.arch-layer b {
  color: var(--green);
}

.arch-layer span {
  display: grid;
  min-height: 3rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: rgba(255, 253, 245, 0.78);
  text-align: center;
  font-weight: 850;
}

.arch-layer.ai {
  background: rgba(215, 255, 93, 0.22);
}

.arch-arrow {
  color: var(--green);
  text-align: center;
  font-size: 1.6rem;
  font-weight: 950;
}

.flowchart {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.8rem;
  align-items: center;
}

.flowchart article {
  min-height: 10rem;
  padding: 1rem;
  border: 1px solid var(--ink);
  border-radius: 1rem;
  background: var(--soft);
}

.flowchart article b,
.flowchart article span {
  display: block;
}

.flowchart article b {
  margin-bottom: 2rem;
  font-size: 1.3rem;
}

.flowchart article span {
  color: var(--muted);
  line-height: 1.5;
}

.flowchart i {
  display: none;
}

.system-lab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.lab-card {
  display: grid;
  gap: 1rem;
  min-height: 28rem;
  padding: 1.25rem;
  border: 1px solid var(--ink);
  border-radius: 1.15rem;
  background: var(--soft);
  box-shadow: 4px 4px 0 rgba(8, 10, 13, 0.16);
}

.lab-card.ai-lab {
  grid-column: span 2;
  grid-row: span 2;
  color: var(--soft);
  background:
    radial-gradient(circle at 78% 12%, rgba(215, 255, 93, 0.82), transparent 14rem),
    var(--ink);
}

.lab-copy p {
  margin-bottom: 1rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.ai-lab .lab-copy p,
.ai-lab .lab-card a {
  color: var(--lime);
}

.lab-copy h3 {
  margin-bottom: 0.65rem;
  font-size: clamp(1.5rem, 2.4vw, 2.8rem);
  line-height: 1;
}

.ai-lab .lab-copy h3 {
  font-size: clamp(3rem, 5vw, 5.4rem);
}

.lab-copy span {
  color: var(--muted);
  line-height: 1.65;
}

.ai-lab .lab-copy span {
  color: rgba(255, 253, 245, 0.74);
}

.lab-preview {
  min-height: 8rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background:
    linear-gradient(rgba(8, 10, 13, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 10, 13, 0.04) 1px, transparent 1px),
    rgba(255, 253, 245, 0.72);
  background-size: 22px 22px;
}

.ai-workbench {
  display: grid;
  gap: 0.7rem;
  min-height: 15rem;
  border-color: rgba(255, 253, 245, 0.2);
  background:
    linear-gradient(rgba(255, 253, 245, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 253, 245, 0.06) 1px, transparent 1px),
    rgba(255, 253, 245, 0.08);
  background-size: 26px 26px;
}

.ai-msg {
  width: fit-content;
  max-width: 88%;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(255, 253, 245, 0.22);
  border-radius: 0.9rem;
  color: var(--soft);
  font-weight: 850;
}

.ai-msg.ask {
  justify-self: end;
  background: rgba(215, 255, 93, 0.18);
}

.ai-msg.answer {
  background: rgba(255, 253, 245, 0.1);
}

.ai-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-self: end;
}

.ai-tags span {
  padding: 0.45rem 0.62rem;
  border: 1px solid rgba(255, 253, 245, 0.2);
  border-radius: 999px;
  color: var(--lime);
  font-size: 0.82rem;
  font-weight: 900;
}

.timetable-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}

.timetable-preview span {
  min-height: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: rgba(31, 139, 104, 0.12);
}

.research-preview {
  display: flex;
  align-items: end;
  gap: 0.45rem;
}

.research-preview i {
  flex: 1;
  border: 1px solid var(--ink);
  border-radius: 0.45rem 0.45rem 0 0;
  background: linear-gradient(180deg, var(--lime), var(--cyan));
}

.residency-preview {
  display: grid;
  align-content: center;
  gap: 0.55rem;
}

.residency-preview span {
  display: block;
  height: 0.9rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--lime));
}

.residency-preview span:nth-child(2) {
  width: 82%;
}

.residency-preview span:nth-child(3) {
  width: 64%;
}

.library-preview {
  display: grid;
  align-content: center;
  gap: 0.75rem;
}

.library-preview b {
  padding: 0.8rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--soft);
}

.library-preview span {
  color: var(--muted);
  font-weight: 850;
}

.mini-architecture,
.mini-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.mini-architecture b,
.mini-flow b {
  width: 100%;
  color: var(--green);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.ai-lab .mini-architecture b {
  color: var(--lime);
}

.mini-architecture span,
.mini-flow span {
  padding: 0.45rem 0.62rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 245, 0.72);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 850;
}

.mini-architecture i,
.mini-flow i {
  width: 1.2rem;
  height: 1px;
  background: var(--green);
}

.lab-card a {
  align-self: end;
  color: var(--green);
  font-weight: 950;
}

@media (max-width: 980px) {
  .fde-hero,
  .fde-heading,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .method-grid,
  .delivery-cards,
  .system-lab-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lab-card.ai-lab {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .arch-layer {
    grid-template-columns: 1fr 1fr;
  }

  .arch-layer b {
    grid-column: 1 / -1;
  }

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

@media (max-width: 620px) {
  .fde-site .fde-hero,
  .fde-site .fde-section,
  .fde-site .closing {
    width: min(100% - 1rem, 1180px);
  }

  .fde-hero {
    padding-top: 3rem;
  }

  .fde-hero h1,
  .fde-heading h2 {
    font-size: clamp(2.9rem, 13vw, 4rem);
  }

  .console-layout,
  .console-metrics,
  .method-grid,
  .delivery-cards,
  .system-lab-grid,
  .arch-layer {
    grid-template-columns: 1fr;
  }

  .console-layout aside {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .console-question,
  .console-answer {
    max-width: 100%;
  }

  .fde-console,
  .architecture-map {
    box-shadow: 4px 4px 0 var(--ink);
  }

  .flowchart article,
  .method-grid article,
  .delivery-cards article,
  .lab-card {
    min-height: auto;
  }

  .mini-architecture,
  .mini-flow {
    align-items: flex-start;
  }

  .mini-architecture i,
  .mini-flow i {
    display: none;
  }
}

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

  nav {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    overflow-x: auto;
  }

  nav a {
    flex: 1;
    text-align: center;
  }

  .nav-action {
    grid-column: 2;
    grid-row: 1;
  }

  .hero,
  .section-heading,
  .intelligence {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    max-width: 9em;
  }

  .stage-body {
    grid-template-columns: 1fr;
  }

  .stage-body aside {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .platform-grid,
  .ai-capability-grid,
  .solution-depth .depth-grid,
  .detail-grid,
  .detail-band,
  .contact-layout,
  .delivery-strip {
    grid-template-columns: 1fr;
  }

  .platform-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .platform-grid article:last-child {
    border-bottom: 0;
  }

  .detail-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .detail-grid article:last-child {
    border-bottom: 0;
  }

  .module-stack article {
    grid-template-columns: 1fr 1fr;
  }

  .module-stack b {
    grid-column: 1 / -1;
  }

  .system-showcase {
    grid-template-columns: 1fr 1fr;
  }

  .ai-first-showcase {
    grid-template-columns: 1fr 1fr;
  }

  .system-card.ai-hero-card {
    grid-column: 1 / -1;
  }

  .ai-first-showcase .system-card:not(.ai-hero-card) {
    grid-column: auto;
  }
}

@media (max-width: 620px) {
  .hero,
  .section,
  .closing,
  footer {
    width: min(100% - 1rem, 1180px);
  }

  .hero {
    padding-top: 3rem;
  }

  h1 {
    font-size: clamp(3.5rem, 16vw, 4.7rem);
    line-height: 0.93;
  }

  .stage-shell,
  .platform-grid,
  .detail-grid,
  .system-canvas,
  .detail-band > div,
  .detail-band ul,
  .contact-form,
  .intelligence-copy,
  .intelligence-panel {
    box-shadow: 4px 4px 0 var(--ink);
  }

  .product-stage::before {
    right: 0;
    width: 10rem;
    height: 10rem;
  }

  .hero-actions,
  footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .stage-body aside,
  .module-stack article,
  .system-showcase,
  .system-card ul,
  .ai-capability-grid,
  .solution-depth .depth-grid,
  .intelligence-panel div {
    grid-template-columns: 1fr;
  }

  .workspace-dock {
    position: static;
    grid-template-columns: 1fr;
    margin-top: 1rem;
  }

  .workspace-query,
  .workspace-answer {
    max-width: 100%;
  }

  .stage-body section {
    min-height: 35rem;
  }

  .signal-b {
    top: 15rem;
  }

  .signal-c {
    left: 1.2rem;
  }

  .system-card.hero-card {
    grid-column: auto;
    grid-row: auto;
    min-height: 31rem;
  }

  .ai-first-showcase {
    grid-template-columns: 1fr;
  }

  .system-card.ai-hero-card {
    min-height: 34rem;
  }

  .ai-first-showcase .system-card:not(.ai-hero-card) {
    grid-column: auto;
  }

  .section-heading h2,
  .detail-hero h1,
  .detail-band h2,
  .contact-copy h1,
  .intelligence-copy h2,
  .closing h2 {
    font-size: clamp(2.55rem, 12vw, 3.9rem);
  }

  footer p {
    text-align: left;
  }
}