:root {
  color-scheme: dark;
  --bg: #05070b;
  --panel: rgba(12, 18, 29, 0.78);
  --panel-strong: rgba(16, 25, 39, 0.94);
  --line: rgba(117, 148, 188, 0.22);
  --line-bright: rgba(83, 195, 220, 0.38);
  --text: #f2f7ff;
  --muted: #9eadc2;
  --subtle: #6d7b91;
  --cyan: #52c4dc;
  --blue: #246ab0;
  --green: #48d69b;
  --amber: #ffd166;
  --radius: 8px;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 8%, rgba(82, 196, 220, 0.17), transparent 26rem),
    radial-gradient(circle at 82% 12%, rgba(36, 106, 176, 0.22), transparent 28rem),
    linear-gradient(180deg, #030406 0%, var(--bg) 46%, #070b10 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 78%);
}

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

button,
input {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.page-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-shell main {
  flex: 1;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 7, 11, 0.72);
  backdrop-filter: blur(20px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

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

.brand-logo {
  display: inline-flex;
  width: clamp(128px, 14vw, 188px);
  height: 48px;
  filter: drop-shadow(0 0 18px rgba(82, 196, 220, 0.22));
  flex: 0 0 auto;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-name strong {
  font-size: 18px;
  letter-spacing: 0.08em;
}

.brand-name span {
  margin-top: 5px;
  color: var(--subtle);
  font-size: 11px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

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

.language-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.language-switch:hover {
  border-color: rgba(82, 196, 220, 0.42);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(82, 196, 220, 0.46);
  background: rgba(82, 196, 220, 0.12);
}

.btn.primary {
  border-color: rgba(82, 196, 220, 0.72);
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #03101a;
  box-shadow: 0 16px 42px rgba(36, 106, 176, 0.34);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: 52px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 20px rgba(72, 214, 155, 0.8);
  content: "";
}

h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(44px, 6vw, 96px);
  line-height: 0.98;
  font-weight: 780;
  letter-spacing: 0;
}

.headline-accent {
  display: block;
  background: linear-gradient(90deg, #f7fbff 0%, #74d9ec 48%, #7aa7ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy,
.lead {
  max-width: 780px;
  margin: 26px 0 0;
  color: #b7c5d8;
  font-size: 18px;
  line-height: 1.78;
}

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

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.metric,
.card,
.feature-card,
.adv-item,
.step,
.login-panel,
.case-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.metric {
  padding: 16px;
  background: rgba(255, 255, 255, 0.035);
}

.metric strong {
  display: block;
  font-size: 24px;
}

.metric span {
  display: block;
  margin-top: 7px;
  color: var(--subtle);
  font-size: 13px;
  line-height: 1.35;
}

.product-panel {
  padding: 14px;
  border: 1px solid var(--line-bright);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(82, 196, 220, 0.12), rgba(82, 196, 220, 0.02)),
    rgba(2, 6, 12, 0.84);
  box-shadow: var(--shadow);
}

.window {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: #080d14;
}

.window-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 46px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.traffic {
  display: flex;
  gap: 7px;
}

.traffic i {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #5c6f86;
}

.traffic i:nth-child(1) {
  background: #ff6b6b;
}

.traffic i:nth-child(2) {
  background: var(--amber);
}

.traffic i:nth-child(3) {
  background: var(--green);
}

.window-title,
.code-lines,
.card span,
.num,
.step span {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.window-title {
  color: var(--subtle);
  font-size: 12px;
}

.workspace {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  min-height: 460px;
}

.sidebar {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.025);
  padding: 16px 12px;
}

.side-item {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 34px;
  padding: 0 10px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 13px;
}

.side-item.active {
  background: rgba(82, 196, 220, 0.12);
  color: var(--text);
}

.side-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
}

.editor {
  padding: 20px;
}

.assistant-card {
  overflow: hidden;
  border: 1px solid rgba(82, 196, 220, 0.24);
  border-radius: var(--radius);
  background: rgba(9, 15, 24, 0.9);
}

.assistant-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.status {
  color: var(--green);
  font-size: 12px;
}

.code-lines {
  padding: 18px 16px;
  font-size: 13px;
  line-height: 1.9;
}

.line {
  display: block;
  color: #8394aa;
  white-space: nowrap;
}

.line .k {
  color: #7dd3fc;
}

.line .s {
  color: #a7f3d0;
}

.line .v {
  color: #fcd34d;
}

.insights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.insight {
  min-height: 105px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.insight p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

section {
  padding: 86px 0;
}

.page-hero {
  padding: 90px 0 34px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 30px;
}

.section-head h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.05;
}

.section-head p {
  max-width: 390px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.grid {
  padding: 44px 0 92px;
}

.feature-card,
.card {
  min-height: 230px;
  padding: 24px;
}

.icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border: 1px solid rgba(82, 196, 220, 0.32);
  border-radius: var(--radius);
  background: rgba(82, 196, 220, 0.1);
  color: var(--cyan);
  font-weight: 800;
}

.feature-card h3,
.card h2 {
  margin: 0;
  font-size: 20px;
}

.card h2 {
  margin: 24px 0 12px;
  font-size: 22px;
}

.feature-card p,
.card p,
.adv-item p,
.step p,
.case-body p {
  color: var(--muted);
  line-height: 1.72;
}

.feature-card p {
  margin: 14px 0 0;
}

.wide {
  grid-column: span 2;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 18px;
  padding: 0;
  margin: 32px 0 72px;
}

.contact-profile {
  min-width: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(82, 196, 220, 0.1), rgba(36, 106, 176, 0.04)),
    rgba(12, 18, 29, 0.82);
  overflow: hidden;
}

.contact-map {
  display: block;
  min-height: 300px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 29, 0.82);
  overflow: hidden;
}

.contact-map img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
}

.contact-profile-head {
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-profile-head h2 {
  margin: 0;
  font-size: 24px;
}

.contact-list {
  margin: 0;
  padding: 0;
}

.contact-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 17px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-row:last-child {
  border-bottom: 0;
}

.contact-row dt {
  color: var(--subtle);
  font-size: 14px;
}

.contact-row dd {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
}

.advantage {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(82, 196, 220, 0.1), transparent 46%),
    rgba(255, 255, 255, 0.018);
}

.advantage-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 36px;
  align-items: start;
}

.sticky-title {
  position: sticky;
  top: 110px;
}

.sticky-title h2 {
  margin: 0;
  font-size: clamp(32px, 4.4vw, 64px);
  line-height: 1.02;
}

.sticky-title p {
  color: var(--muted);
  line-height: 1.75;
}

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

.adv-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
  background: var(--panel-strong);
}

.num,
.card span,
.step span {
  color: var(--cyan);
  font-size: 13px;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.step {
  padding: 20px;
  background: rgba(255, 255, 255, 0.035);
}

.step h3 {
  margin: 24px 0 10px;
  font-size: 19px;
}

.cta {
  padding-bottom: 104px;
}

.cta-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 36px;
  border: 1px solid rgba(82, 196, 220, 0.34);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(82, 196, 220, 0.18), rgba(36, 106, 176, 0.1)),
    rgba(9, 15, 24, 0.92);
  box-shadow: var(--shadow);
}

.cta-box h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
}

.cta-box p {
  max-width: 680px;
  color: var(--muted);
  line-height: 1.7;
}

.login-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 129px);
  padding: 64px 0;
}

.login-panel {
  padding: 28px;
  border-color: rgba(82, 196, 220, 0.34);
  background: rgba(12, 18, 29, 0.88);
  box-shadow: var(--shadow);
}

.login-panel h1 {
  font-size: 30px;
}

label {
  display: block;
  margin: 16px 0 8px;
  color: var(--muted);
  font-size: 14px;
}

input {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  outline: none;
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
}

input:focus {
  border-color: rgba(82, 196, 220, 0.72);
}

.login-submit {
  width: 100%;
  margin-top: 22px;
}

.login-note {
  margin-top: 16px;
  color: var(--subtle);
  font-size: 13px;
  line-height: 1.6;
}

.case-grid {
  display: grid;
  gap: 22px;
  padding: 44px 0 96px;
}

.case-card {
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  border-color: rgba(82, 196, 220, 0.24);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(82, 196, 220, 0.1), rgba(36, 106, 176, 0.04)),
    rgba(12, 18, 29, 0.9);
  box-shadow: 0 22px 72px rgba(0, 0, 0, 0.28);
}

.case-card:nth-child(even) .case-visual {
  border-right: 0;
}

.case-visual {
  min-height: 0;
  padding: 16px;
  background:
    radial-gradient(circle at 22% 20%, rgba(82, 196, 220, 0.14), transparent 18rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border-right: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.case-image-frame,
.phone-carousel {
  overflow: hidden;
  display: grid;
  place-items: center;
  width: 100%;
  height: auto;
  min-height: 0;
  border: 1px solid rgba(82, 196, 220, 0.18);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 20%, rgba(82, 196, 220, 0.14), transparent 18rem),
    linear-gradient(145deg, #0b121d, #111827);
}

.case-image-frame {
  aspect-ratio: 92 / 45;
}

.case-image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: contain;
}

.case-image-frame.compact img {
  padding: 18px;
}

.case-image-frame.diagram img {
  padding: 8px;
  filter: drop-shadow(0 18px 32px rgba(0, 0, 0, 0.24));
}

.phone-carousel {
  position: relative;
  height: min(62vw, 560px);
  min-height: 430px;
}

.phone-carousel img {
  position: absolute;
  inset: 20px 50%;
  width: auto;
  height: calc(100% - 40px);
  max-width: calc(100% - 40px);
  border-radius: 10px;
  object-fit: contain;
  opacity: 0;
  transform: translateX(-50%) scale(0.98);
  filter: drop-shadow(0 20px 34px rgba(0, 0, 0, 0.32));
  transition:
    opacity 280ms ease,
    transform 280ms ease;
}

.phone-carousel img.active {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.carousel-control {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(5, 7, 11, 0.76);
  color: var(--text);
  cursor: pointer;
  transform: translateY(-50%);
}

.carousel-control:hover {
  border-color: rgba(82, 196, 220, 0.5);
  background: rgba(82, 196, 220, 0.14);
}

.carousel-control.prev {
  left: 14px;
}

.carousel-control.next {
  right: 14px;
}

.carousel-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.carousel-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.carousel-dots button.active {
  width: 20px;
  background: var(--cyan);
  box-shadow: 0 0 14px rgba(82, 196, 220, 0.65);
}

.case-content {
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) minmax(0, 1.14fr);
  gap: 28px;
  padding: 30px;
}

.case-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  margin-bottom: 18px;
}

.case-kicker span {
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.case-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  max-width: 230px;
  height: 56px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(5, 7, 11, 0.42);
  backdrop-filter: blur(10px);
}

.case-logo img {
  display: block;
  width: auto;
  max-width: 196px;
  max-height: 40px;
  object-fit: contain;
  filter: invert(1);
  mix-blend-mode: screen;
}

.case-logo img[alt*="STELLANTIS"] {
  filter: none;
  mix-blend-mode: normal;
}

.case-meta h2 {
  margin: 0 0 12px;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.18;
}

.case-meta p {
  color: var(--subtle);
  line-height: 1.65;
}

.case-body h3 {
  margin: 22px 0 10px;
  font-size: 17px;
}

.case-body h3:first-child {
  margin-top: 0;
}

.result-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.result-list li {
  padding: 12px 13px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
  color: #c5d1e2;
  font-size: 14px;
  line-height: 1.55;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin-top: 22px;
}

.case-stat {
  padding: 14px;
  border: 1px solid rgba(82, 196, 220, 0.2);
  border-radius: var(--radius);
  background: rgba(82, 196, 220, 0.07);
}

.case-stat strong {
  display: block;
  font-size: 20px;
}

.case-stat span {
  display: block;
  margin-top: 5px;
  color: var(--subtle);
  font-size: 12px;
  line-height: 1.35;
}

.platform-section {
  padding: 58px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.platform-section:first-of-type {
  border-top: 0;
  padding-top: 36px;
}

.timeline-grid,
.layer-grid,
.agent-flow,
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.timeline-card,
.layer-card,
.agent-card,
.module-card,
.architecture-card,
.handoff-card,
.dual-layer article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 29, 0.78);
}

.timeline-card,
.layer-card,
.agent-card,
.module-card {
  min-height: 220px;
  padding: 24px;
}

.timeline-card span,
.module-card span,
.dual-layer span,
.arch-source span,
.arch-core span,
.arch-data span {
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  font-weight: 700;
}

.timeline-card h3,
.layer-card h3,
.agent-card h3,
.module-card h3,
.dual-layer h3,
.arch-core h3 {
  margin: 18px 0 12px;
  font-size: 22px;
}

.timeline-card b {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--green);
}

.timeline-card p,
.layer-card p,
.agent-card p,
.module-card p,
.architecture-card p,
.handoff-card p,
.dual-layer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.dual-layer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.dual-layer article {
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(82, 196, 220, 0.08), rgba(36, 106, 176, 0.04)),
    rgba(12, 18, 29, 0.78);
}

.architecture-card {
  display: grid;
  gap: 14px;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 18%, rgba(82, 196, 220, 0.14), transparent 22rem),
    rgba(12, 18, 29, 0.78);
}

.arch-source,
.arch-data {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.arch-source span,
.arch-data span {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.arch-core {
  padding: 26px;
  border: 1px solid rgba(82, 196, 220, 0.36);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(82, 196, 220, 0.16), rgba(36, 106, 176, 0.1)),
    rgba(5, 7, 11, 0.5);
  text-align: center;
}

.arch-core span {
  display: block;
  margin-bottom: 14px;
  font-size: 22px;
}

.arch-core h3 {
  margin: 0;
  font-size: 20px;
}

.arch-agents {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.arch-agents article {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.arch-agents b {
  display: block;
  margin-bottom: 8px;
}

.asset-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.asset-flow span {
  padding: 10px 12px;
  border: 1px solid rgba(82, 196, 220, 0.24);
  border-radius: var(--radius);
  background: rgba(82, 196, 220, 0.07);
  color: #c5d1e2;
  font-size: 14px;
}

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

.handoff-card {
  margin-top: 14px;
  padding: 22px;
  border-color: rgba(82, 196, 220, 0.28);
  background:
    linear-gradient(135deg, rgba(72, 214, 155, 0.1), rgba(82, 196, 220, 0.06)),
    rgba(12, 18, 29, 0.78);
}

.handoff-card b {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
}

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

.advantage-showcase {
  display: grid;
  gap: 22px;
  padding: 44px 0 72px;
}

.advantage-feature {
  display: grid;
  grid-template-columns: minmax(360px, 0.96fr) minmax(0, 1.04fr);
  overflow: hidden;
  border: 1px solid rgba(82, 196, 220, 0.22);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(82, 196, 220, 0.09), rgba(36, 106, 176, 0.035)),
    rgba(12, 18, 29, 0.9);
  box-shadow: 0 22px 72px rgba(0, 0, 0, 0.24);
}

.advantage-feature:nth-child(even) .advantage-shot {
  order: 2;
  border-right: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.advantage-feature:nth-child(even) .advantage-copy {
  order: 1;
}

.advantage-shot {
  display: grid;
  place-items: center;
  min-height: 430px;
  padding: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 50% 20%, rgba(82, 196, 220, 0.12), transparent 18rem),
    linear-gradient(145deg, #0b121d, #111827);
}

.advantage-shot img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 430px;
  object-fit: contain;
  border-radius: 6px;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.3));
}

.advantage-copy {
  padding: 30px;
}

.advantage-copy > span,
.data-loop-card span {
  color: var(--cyan);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  font-weight: 700;
}

.advantage-copy h2 {
  margin: 18px 0 22px;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.08;
}

.advantage-points {
  display: grid;
  gap: 10px;
}

.advantage-point {
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.advantage-point b {
  display: block;
  margin-bottom: 7px;
}

.advantage-point p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.data-loop-section {
  padding: 48px 0 96px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.data-loop-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.data-loop-card {
  min-height: 130px;
  padding: 18px;
  border: 1px solid rgba(82, 196, 220, 0.2);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(82, 196, 220, 0.09), rgba(36, 106, 176, 0.04)),
    rgba(12, 18, 29, 0.78);
}

.data-loop-card p {
  margin: 18px 0 0;
  color: var(--text);
  line-height: 1.45;
}

.training-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.training-card article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.training-card h3 {
  margin: 0 0 10px;
}

.training-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 28px 0;
  color: var(--subtle);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 13px;
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .hero-grid,
  .advantage-grid,
  .cta-box,
  .login-wrap,
  .case-card {
    grid-template-columns: 1fr;
  }

  .product-panel {
    order: -1;
  }

  .workspace {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .sidebar {
    display: none;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .feature-grid,
  .grid,
  .workflow,
  .timeline-grid,
  .layer-grid,
  .agent-flow,
  .module-grid,
  .arch-agents,
  .dual-layer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sticky-title {
    position: static;
  }

  .advantage-feature,
  .advantage-feature:nth-child(even) .advantage-shot,
  .advantage-feature:nth-child(even) .advantage-copy {
    grid-template-columns: 1fr;
    order: initial;
  }

  .case-content {
    grid-template-columns: 1fr;
  }

  .case-visual,
  .case-card:nth-child(even) .case-visual,
  .advantage-shot,
  .advantage-feature:nth-child(even) .advantage-shot {
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .data-loop-grid,
  .training-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 28px, 1180px);
  }

  .brand-name span {
    display: none;
  }

  h1 {
    font-size: 44px;
  }

  .hero-copy,
  .lead {
    font-size: 16px;
  }

  .hero-proof,
  .feature-grid,
  .grid,
  .contact-layout,
  .contact-row,
  .insights,
  .workflow,
  .result-list,
  .case-stats,
  .data-loop-grid,
  .training-card,
  .timeline-grid,
  .layer-grid,
  .agent-flow,
  .module-grid,
  .arch-agents,
  .dual-layer {
    grid-template-columns: 1fr;
  }

  .line {
    white-space: normal;
    word-break: break-word;
  }

  .adv-item {
    grid-template-columns: 1fr;
  }

  .cta-box,
  .case-content,
  .advantage-copy {
    padding: 24px;
  }

  .footer-inner {
    flex-direction: column;
  }
}