:root {
  --brand-ink: #0b0f19;
  --brand-paper: #f7f8fa;
  --brand-white: #ffffff;
  --brand-blue: #176bff;
  --brand-cyan: #26c6da;
  --brand-gold: #c8a24a;
  --brand-emerald: #2ec4a6;
  --neutral-900: #111827;
  --neutral-800: #1f2937;
  --neutral-700: #374151;
  --neutral-600: #4b5563;
  --neutral-500: #6b7280;
  --line-soft: #d8dee8;
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-fill: rgba(255, 255, 255, 0.1);
  --dark-glass-fill: rgba(11, 15, 25, 0.56);
  --warm-glass-fill: rgba(255, 255, 255, 0.66);
  --shadow-soft: 0 24px 70px rgba(11, 15, 25, 0.12);
  --shadow-glass: 0 28px 90px rgba(0, 0, 0, 0.28);
  --radius-sm: 6px;
  --radius-md: 8px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-snap: cubic-bezier(0.85, 0, 0.15, 1);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --content: 1180px;
  --font-sans: "Segoe UI Variable Text", "HarmonyOS Sans SC",
    "Alibaba PuHuiTi 3.0", "Alibaba PuHuiTi", "AlibabaSans", "Source Han Sans SC",
    "Noto Sans CJK SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI",
    "Microsoft YaHei", Arial, Helvetica, sans-serif;
  --font-display-en: "Aptos Display", "Segoe UI Variable Display", "SF Pro Display",
    "Helvetica Neue", Arial, sans-serif;
  --font-display-zh: "HarmonyOS Sans SC", "Alibaba PuHuiTi 3.0",
    "Alibaba PuHuiTi", "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC",
    "Microsoft YaHei UI", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
  --transition-base: 180ms var(--ease-out);
  --pointer-x: 50vw;
  --pointer-y: 40vh;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--brand-ink);
  background:
    linear-gradient(180deg, #07101f 0%, #111827 28%, #edf2f8 56%, #f8fafc 100%);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: normal;
  font-optical-sizing: auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0%, rgba(38, 198, 218, 0.12) 38%, transparent 68%),
    linear-gradient(24deg, rgba(200, 162, 74, 0.1), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 42%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.44;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 64%);
}

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

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(38, 198, 218, 0.5);
  outline-offset: 3px;
}

.environment {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.mesh {
  position: absolute;
  inset: auto;
  filter: blur(22px);
  opacity: 0.42;
  transform: translate3d(0, 0, 0);
}

.mesh-one {
  top: 64px;
  right: -10vw;
  width: 68vw;
  height: 32vh;
  background: linear-gradient(90deg, transparent, rgba(23, 107, 255, 0.46), rgba(38, 198, 218, 0.22), transparent);
  clip-path: polygon(8% 42%, 78% 0, 100% 24%, 28% 100%);
  animation: drift-a 14s ease-in-out infinite alternate;
}

.mesh-two {
  top: 36vh;
  left: -16vw;
  width: 72vw;
  height: 28vh;
  background: linear-gradient(105deg, transparent, rgba(200, 162, 74, 0.28), rgba(46, 196, 166, 0.18), transparent);
  clip-path: polygon(0 44%, 72% 0, 100% 48%, 18% 100%);
  animation: drift-b 18s ease-in-out infinite alternate;
}

.mesh-three {
  right: 6vw;
  bottom: 18vh;
  width: 46vw;
  height: 22vh;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.3), rgba(23, 107, 255, 0.14), transparent);
  clip-path: polygon(18% 0, 100% 22%, 72% 100%, 0 62%);
  animation: drift-c 16s ease-in-out infinite alternate;
}

.light-sweep {
  position: absolute;
  top: -10vh;
  left: -40vw;
  width: 42vw;
  height: 130vh;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
  transform: rotate(18deg);
  animation: sweep 11s linear infinite;
}

.site-header {
  position: fixed;
  top: 18px;
  right: max(var(--space-5), calc((100vw - var(--content)) / 2));
  left: max(var(--space-5), calc((100vw - var(--content)) / 2));
  z-index: 20;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 0 var(--space-5);
  color: var(--brand-white);
  background: rgba(8, 14, 27, 0.58);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(24px) saturate(1.35);
  transform-origin: top center;
  transition: background 190ms var(--ease-out), border-color 190ms var(--ease-out),
    transform 220ms var(--ease-out), color 190ms var(--ease-out),
    box-shadow 220ms var(--ease-out);
}

.site-header[data-scrolled="true"] {
  color: var(--brand-ink);
  border-color: rgba(216, 222, 232, 0.75);
  background: rgba(255, 255, 255, 0.72);
  transform: translateY(-6px);
}

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

.brand-logo {
  position: relative;
  display: block;
  width: clamp(146px, 12vw, 196px);
  height: 40px;
}

.brand-logo-img {
  position: absolute;
  inset: 50% auto auto 0;
  width: 100%;
  height: auto;
  max-height: 40px;
  object-fit: contain;
  object-position: left center;
  transform: translateY(-50%);
  transition: opacity var(--transition-base);
}

.brand-logo-light {
  opacity: 0;
}

.site-header[data-scrolled="true"] .brand-logo-dark {
  opacity: 0;
}

.site-header[data-scrolled="true"] .brand-logo-light {
  opacity: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
  font-size: 14px;
}

.nav a {
  position: relative;
  padding: var(--space-2) 0;
  opacity: 0.74;
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.nav a:hover,
.nav a.active {
  opacity: 1;
  transform: translateY(-1px);
}

.nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease-out);
}

.nav a:hover::after,
.nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 3px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 3px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.site-header[data-scrolled="true"] .language-switch {
  border-color: rgba(216, 222, 232, 0.9);
  background: rgba(255, 255, 255, 0.72);
}

.language-button {
  min-width: 42px;
  min-height: 30px;
  border: 0;
  border-radius: 999px;
  padding: 0 10px;
  color: currentColor;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  opacity: 0.68;
  transition: opacity var(--transition-base), color var(--transition-base),
    background var(--transition-base), transform var(--transition-base);
}

.language-button:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.language-button.active {
  color: var(--brand-ink);
  background: rgba(255, 255, 255, 0.92);
  opacity: 1;
}

.site-header[data-scrolled="true"] .language-button.active {
  color: var(--brand-white);
  background: var(--brand-ink);
}

.section {
  width: min(var(--content), calc(100vw - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 132px max(var(--space-5), calc((100vw - var(--content)) / 2)) var(--space-7);
  color: var(--brand-white);
  perspective: 1200px;
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 22vh;
  background: linear-gradient(180deg, transparent, rgba(237, 242, 248, 0.95));
  pointer-events: none;
}

.hero-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.stage-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 24%, #000 100%);
}

.motion-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.motion-lines span {
  position: absolute;
  left: -20vw;
  width: 56vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(38, 198, 218, 0.76), transparent);
  transform: rotate(-11deg);
  animation: data-line 8s linear infinite;
}

.motion-lines span:nth-child(1) {
  top: 24%;
}

.motion-lines span:nth-child(2) {
  top: 48%;
  animation-delay: -3s;
}

.motion-lines span:nth-child(3) {
  top: 70%;
  animation-delay: -5s;
}

.stage-column {
  position: absolute;
  display: grid;
  gap: var(--space-4);
}

.stage-column-left {
  display: none;
  top: 15%;
  right: max(620px, calc((100vw - var(--content)) / 2 + 460px));
  width: 260px;
  transform: translate3d(calc(var(--mx, 0px) * -0.25), calc(var(--my, 0px) * -0.18), 0);
  transition: transform 280ms ease-out;
}

.stage-column-right {
  top: 18%;
  right: max(32px, calc((100vw - var(--content)) / 2));
  width: min(460px, 31vw);
  transform: translate3d(calc(var(--mx, 0px) * 0.35), calc(var(--my, 0px) * 0.25), 0);
  transition: transform 280ms ease-out;
}

.glass-panel,
.stage-node,
.terminal-panel,
.signal-meter,
.service-card,
.proof-cards article,
.lane-button,
.workbench-panel,
.cloud-node,
.contact-panel {
  border: 1px solid var(--glass-border);
  background: var(--glass-fill);
  box-shadow: var(--shadow-glass);
  backdrop-filter: blur(24px) saturate(1.28);
}

.stage-node {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.08);
}

.stage-node::after,
.terminal-panel::after,
.workbench-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.18), transparent 32%);
  pointer-events: none;
}

.stage-node span,
.terminal-line,
.signal-meter span,
.hero-proof span,
.cloud-node span,
.panel-header span,
.proof-cards span,
.contact-panel span {
  font-family: var(--font-mono);
  font-size: 12px;
}

.stage-node span,
.stage-node em,
.terminal-line.muted,
.signal-meter span,
.hero-proof span {
  color: rgba(255, 255, 255, 0.66);
}

.stage-node strong,
.stage-node em {
  position: relative;
  z-index: 1;
  display: block;
}

.stage-node strong {
  margin-top: var(--space-2);
  color: var(--brand-white);
  font-size: 18px;
}

.stage-node em {
  margin-top: var(--space-1);
  font-style: normal;
}

.node-blue {
  border-color: rgba(23, 107, 255, 0.42);
  background:
    linear-gradient(135deg, rgba(23, 107, 255, 0.18), rgba(255, 255, 255, 0.07)),
    rgba(255, 255, 255, 0.08);
}

.node-gold {
  border-color: rgba(200, 162, 74, 0.5);
  background:
    linear-gradient(135deg, rgba(200, 162, 74, 0.2), rgba(255, 255, 255, 0.07)),
    rgba(255, 255, 255, 0.08);
}

.terminal-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(8, 14, 27, 0.54);
}

.terminal-top {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.terminal-top span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.34);
}

.terminal-top span:nth-child(2) {
  background: var(--brand-cyan);
}

.terminal-top span:nth-child(3) {
  background: var(--brand-gold);
}

.terminal-line {
  position: relative;
  z-index: 1;
  padding: var(--space-2) 0;
  color: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.terminal-line.active {
  color: var(--brand-white);
}

.signal-meter {
  margin-top: var(--space-4);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.09);
}

.signal-meter strong {
  display: block;
  margin-top: var(--space-2);
  color: var(--brand-white);
  font-size: 20px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: min(610px, 42vw);
}

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--brand-blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--brand-cyan);
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

p,
dd,
.hero-proof strong,
.brief-items span,
.panel-output strong,
.cloud-node strong {
  text-wrap: pretty;
}

h1 {
  margin-bottom: var(--space-5);
  max-width: 700px;
  font-family: var(--font-display-zh);
  font-size: clamp(48px, 5.1vw, 78px);
  font-weight: 760;
  line-height: 1.08;
  letter-spacing: 0;
  text-shadow: 0 18px 64px rgba(0, 0, 0, 0.28);
}

h2 span {
  display: block;
}

h1 span {
  display: block;
}

h1 span:empty {
  display: none;
}

@media (min-width: 681px) {
  .section-kicker h2 span {
    white-space: nowrap;
  }

  html[data-lang="en"] .section-kicker h2 span {
    white-space: normal;
  }
}

h2 {
  margin-bottom: var(--space-4);
  font-size: 40px;
  font-weight: 720;
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: var(--space-2);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

p {
  color: var(--neutral-700);
  font-size: 16px;
  line-height: 1.72;
  max-width: 68ch;
}

.hero-lede {
  max-width: 820px;
  margin-bottom: var(--space-6);
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(18px, 1.45vw, 22px);
  font-weight: 560;
  line-height: 1.42;
}

.hero-lede-equation {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px clamp(22px, 3vw, 44px);
  white-space: normal;
}

.hero-lede-equation span {
  white-space: nowrap;
}

.hero-lede-equation span:empty {
  display: none;
}

html[data-lang="zh"] .hero-lede-equation {
  gap: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.button,
.copy-button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: 0 var(--space-5);
  font-weight: 800;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transform-origin: center;
  transition: transform 160ms var(--ease-out), background 180ms var(--ease-out),
    border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out),
    color 180ms var(--ease-out);
}

.button::after,
.copy-button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, 0.36), transparent);
  transform: translateX(-120%);
  transition: transform 520ms var(--ease-out);
  pointer-events: none;
}

.button:hover,
.copy-button:hover {
  transform: translateY(-2px);
}

.button:hover::after,
.copy-button:hover::after {
  transform: translateX(120%);
}

.button:active,
.copy-button:active,
.lane-button:active {
  transform: translateY(0) scale(0.975);
}

.button.primary {
  color: var(--brand-ink);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 48px rgba(255, 255, 255, 0.16);
}

.button.primary:hover {
  background: var(--brand-white);
  box-shadow: 0 24px 64px rgba(255, 255, 255, 0.22);
}

.button.secondary {
  color: var(--brand-white);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.button.secondary:hover {
  border-color: rgba(38, 198, 218, 0.44);
  background: rgba(255, 255, 255, 0.16);
}

.button.tertiary {
  color: var(--brand-white);
  border-color: rgba(38, 198, 218, 0.42);
  background: linear-gradient(135deg, rgba(23, 107, 255, 0.28), rgba(38, 198, 218, 0.12));
  backdrop-filter: blur(18px);
}

.button.tertiary:hover {
  border-color: rgba(38, 198, 218, 0.72);
  background: linear-gradient(135deg, rgba(23, 107, 255, 0.42), rgba(38, 198, 218, 0.2));
}

.button.dark {
  color: var(--brand-white);
  background: var(--brand-ink);
  box-shadow: 0 18px 48px rgba(11, 15, 25, 0.18);
}

.button.dark:hover {
  background: #172033;
}

.bridge-signal {
  display: grid;
  grid-template-columns: auto minmax(28px, 1fr) auto minmax(28px, 1fr) auto minmax(28px, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
  width: min(560px, 100%);
  margin-top: var(--space-5);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0;
}

.bridge-signal span {
  white-space: nowrap;
}

.bridge-signal i {
  position: relative;
  display: block;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
}

.bridge-signal i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--brand-cyan), var(--brand-blue), transparent);
  transform: translateX(-100%);
  animation: bridge-pulse 3.8s var(--ease-in-out) infinite;
}

.bridge-signal i:nth-of-type(2)::after {
  animation-delay: 0.55s;
}

.bridge-signal i:nth-of-type(3)::after {
  animation-delay: 1.1s;
}

.hero-proof {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  width: min(var(--content), 100%);
  margin-top: var(--space-8);
}

.hero-proof div {
  min-height: 98px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px) saturate(1.2);
}

.hero-proof strong {
  display: block;
  margin-top: var(--space-2);
  font-size: 17px;
  line-height: 1.45;
}

.brief-band {
  position: relative;
  z-index: 2;
  width: min(var(--content), calc(100vw - 40px));
  margin: -26px auto 0;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.2);
}

.brief-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--space-5);
  align-items: center;
  padding: var(--space-5);
}

.brief-grid p {
  margin-bottom: 0;
  color: var(--brand-ink);
  font-weight: 800;
}

.brief-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.brief-items span,
.panel-modules span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(216, 222, 232, 0.82);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.62);
  padding: 0 var(--space-3);
  color: var(--neutral-700);
  font-size: 13px;
  backdrop-filter: blur(12px);
}

.services,
.workbench,
.business-lines,
.ai-tools-home,
.aws-roadmap,
.contact {
  padding: var(--space-9) 0;
}

.services {
  position: relative;
  z-index: 1;
  margin-top: var(--space-7);
  border-radius: var(--radius-md);
  padding-right: var(--space-5);
  padding-left: var(--space-5);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.74), rgba(247, 250, 255, 0.58)),
    rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.18);
}

.section-kicker {
  max-width: 720px;
  margin-bottom: var(--space-7);
}

.section-kicker p:last-child {
  margin-bottom: 0;
  font-size: 17px;
}

.service-matrix {
  display: grid;
  grid-template-columns: 1.04fr 1fr 1fr;
  gap: var(--space-4);
  align-items: stretch;
}

.service-card,
.proof-cards article {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--warm-glass-fill);
  box-shadow: 0 24px 64px rgba(11, 15, 25, 0.1);
  color: var(--brand-ink);
}

.service-card {
  padding: var(--space-5);
  border-color: rgba(216, 222, 232, 0.68);
  transform-origin: center;
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out),
    border-color 220ms var(--ease-out), background 220ms var(--ease-out);
}

.service-card:first-child {
  grid-row: span 2;
}

.service-card:nth-child(2) {
  grid-column: span 2;
  min-height: 280px;
}

.service-card:hover,
.proof-cards article:hover,
.cloud-node:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 90px rgba(11, 15, 25, 0.16);
}

.service-card::before,
.proof-cards article::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--brand-ink), rgba(11, 15, 25, 0));
}

.service-card::marker {
  content: "";
}

.proof-cards article::after,
.cloud-node::after,
.contact-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.52), transparent 34%),
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 30%), rgba(38, 198, 218, 0.08), transparent 28%);
  pointer-events: none;
}

.service-card[data-step]::before {
  background: linear-gradient(180deg, var(--brand-ink), rgba(11, 15, 25, 0));
}

.service-card[data-step]::after {
  content: attr(data-step);
  position: absolute;
  inset: auto;
  right: var(--space-5);
  top: var(--space-5);
  z-index: 0;
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  color: rgba(11, 15, 25, 0.08);
  font-family: var(--font-mono);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 800;
  line-height: 1;
  pointer-events: none;
}

.service-card .service-index::after {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  margin-top: var(--space-3);
  background: currentColor;
  opacity: 0.34;
}

.service-card.accent-blue::before {
  background: var(--brand-blue);
}

.service-card.accent-cyan::before {
  background: var(--brand-cyan);
}

.service-card.accent-gold::before {
  background: var(--brand-gold);
}

.service-index {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: var(--space-6);
  color: var(--brand-blue);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.service-card h3 {
  padding-right: 72px;
}

.service-card h3,
.service-card p,
.service-card dl,
.proof-cards h3,
.proof-cards p,
.proof-cards span {
  position: relative;
  z-index: 1;
}

.service-card p,
.proof-cards p,
.delivery-rail p,
.contact p {
  margin-bottom: 0;
}

.service-card dl {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-6) 0 0;
}

.service-card div {
  display: grid;
  gap: var(--space-1);
}

.service-card dt {
  color: var(--neutral-500);
  font-family: var(--font-mono);
  font-size: 12px;
}

.service-card dd {
  margin: 0;
  color: var(--neutral-800);
  line-height: 1.55;
}

.business-lines {
  position: relative;
  z-index: 1;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.business-card {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  border: 1px solid rgba(216, 222, 232, 0.72);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.18);
}

.business-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(23, 107, 255, 0.14), transparent 38%),
    radial-gradient(circle at 86% 8%, rgba(38, 198, 218, 0.2), transparent 32%);
}

.business-card.online-card::before {
  background:
    linear-gradient(135deg, rgba(200, 162, 74, 0.18), transparent 38%),
    radial-gradient(circle at 84% 10%, rgba(46, 196, 166, 0.2), transparent 32%);
}

.business-card > * {
  position: relative;
  z-index: 1;
}

.business-card span,
.tools-feature-card span {
  display: inline-flex;
  margin-bottom: var(--space-4);
  color: var(--brand-blue);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.business-card.online-card span {
  color: #8f6d16;
}

.business-card h3,
.tools-feature-card h3 {
  margin-bottom: var(--space-4);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.08;
}

.business-card p,
.tools-feature-card p {
  max-width: 62ch;
  color: var(--neutral-700);
}

.business-card ul {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.business-card li {
  position: relative;
  padding-left: 18px;
  color: var(--neutral-800);
  font-size: 15px;
  font-weight: 720;
  line-height: 1.45;
}

.business-card li::before {
  content: "";
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--brand-cyan);
}

.online-card li::before {
  background: var(--brand-gold);
}

.ai-tools-home {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  gap: var(--space-5);
  align-items: stretch;
  margin-bottom: var(--space-8);
  border-radius: var(--radius-md);
  padding-right: var(--space-5);
  padding-left: var(--space-5);
  color: var(--brand-white);
  background:
    linear-gradient(135deg, rgba(7, 16, 31, 0.94), rgba(17, 24, 39, 0.88)),
    radial-gradient(circle at 88% 12%, rgba(38, 198, 218, 0.26), transparent 34%);
  box-shadow: var(--shadow-glass);
}

.ai-tools-copy {
  align-self: center;
}

.ai-tools-copy h2 {
  max-width: 680px;
  color: var(--brand-white);
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.06;
}

.ai-tools-copy p:not(.eyebrow) {
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.ai-tools-copy .button {
  margin-top: var(--space-5);
}

.tools-feature-card {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: end;
  min-height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  color: var(--brand-white);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05)),
    radial-gradient(circle at 22% 18%, rgba(23, 107, 255, 0.34), transparent 38%),
    rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px) saturate(1.2);
  transition: transform 220ms var(--ease-out), border-color 220ms var(--ease-out);
}

.tools-feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 72%);
}

.tools-feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(38, 198, 218, 0.48);
}

.tools-feature-card > * {
  position: relative;
  z-index: 1;
}

.tools-feature-card span {
  color: var(--brand-cyan);
}

.tools-feature-card h3 {
  color: var(--brand-white);
}

.tools-feature-card p {
  color: rgba(255, 255, 255, 0.72);
}

.tools-feature-card strong {
  display: inline-flex;
  margin-top: var(--space-4);
  color: var(--brand-cyan);
}

.method-section {
  position: relative;
  overflow: hidden;
  padding: var(--space-9) 0;
  color: var(--brand-white);
}

.method-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(125deg, rgba(23, 107, 255, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(11, 15, 25, 0.96), rgba(11, 15, 25, 0.9));
  backdrop-filter: blur(18px);
}

.method-section > * {
  position: relative;
  z-index: 1;
}

.method-section p {
  color: rgba(255, 255, 255, 0.72);
}

.method-layout {
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  gap: var(--space-7);
}

.delivery-rail {
  display: grid;
  gap: var(--space-3);
}

.delivery-rail article {
  display: grid;
  grid-template-columns: 70px minmax(160px, 0.54fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out),
    background 200ms var(--ease-out);
}

.delivery-rail article:hover {
  transform: translateX(4px);
  border-color: rgba(38, 198, 218, 0.36);
  background: rgba(255, 255, 255, 0.1);
}

.delivery-rail span {
  color: var(--brand-cyan);
  font-family: var(--font-mono);
  font-weight: 800;
}

.delivery-rail h3 {
  color: var(--brand-white);
}

.workbench {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-md);
  padding-right: var(--space-5);
  padding-left: var(--space-5);
  color: var(--brand-ink);
  background: rgba(255, 255, 255, 0.56);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.18);
}

.workbench .section-kicker p {
  color: var(--neutral-700);
}

.workbench-title {
  max-width: 780px;
  font-size: clamp(32px, 3.1vw, 42px);
  line-height: 1.16;
}

@media (min-width: 1101px) {
  .workbench-title {
    white-space: nowrap;
  }

  html[data-lang="en"] .workbench-title {
    white-space: normal;
  }
}

html[data-lang="en"] .hero-content {
  max-width: min(920px, 72vw);
}

html[data-lang="en"] h1 {
  max-width: 920px;
  font-family: var(--font-display-en);
  font-size: clamp(56px, 5.2vw, 84px);
  font-weight: 720;
  line-height: 1;
  white-space: nowrap;
}

html[data-lang="zh"] h1 {
  max-width: 780px;
  font-size: clamp(46px, 4.6vw, 72px);
  line-height: 1.12;
}

html[data-lang="zh"] .hero-lede {
  font-size: clamp(19px, 1.6vw, 24px);
  font-weight: 640;
}

html[data-lang="en"] h2 {
  line-height: 1.14;
}

html[data-lang="en"] .section-kicker {
  max-width: 690px;
}

html[data-lang="en"] .section-kicker p:last-child {
  max-width: 62ch;
  line-height: 1.62;
}

html[data-lang="en"] .service-card p,
html[data-lang="en"] .proof-cards p,
html[data-lang="en"] .delivery-rail p,
html[data-lang="en"] .contact p {
  line-height: 1.58;
}

.workbench-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: var(--space-5);
}

.lane-switcher {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.lane-button {
  min-height: 84px;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: var(--brand-ink);
  text-align: left;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.58);
  transition: border-color 170ms var(--ease-out), transform 170ms var(--ease-out),
    background 170ms var(--ease-out), box-shadow 170ms var(--ease-out);
}

.lane-button i {
  display: block;
  color: inherit;
  font-style: normal;
}

.lane-button span {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--neutral-600);
  font-family: var(--font-mono);
  font-size: 12px;
}

.lane-button.active,
.lane-button:hover {
  border-color: rgba(38, 198, 218, 0.52);
  background: rgba(255, 255, 255, 0.82);
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(11, 15, 25, 0.08);
}

.workbench-panel {
  position: relative;
  min-height: 410px;
  display: grid;
  align-content: space-between;
  overflow: hidden;
  border-radius: var(--radius-md);
  padding: var(--space-6);
  color: var(--brand-white);
  background:
    linear-gradient(135deg, rgba(23, 107, 255, 0.24), transparent 35%),
    rgba(8, 14, 27, 0.58);
}

.workbench-panel::before {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -28%;
  width: 54%;
  aspect-ratio: 1;
  border: 1px solid rgba(38, 198, 218, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(38, 198, 218, 0.18), transparent 58%),
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent 32%);
  filter: blur(0.2px);
  pointer-events: none;
}

.panel-header {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-2);
}

.panel-header span {
  color: var(--brand-cyan);
}

.panel-header strong {
  font-size: clamp(30px, 3.6vw, 48px);
  line-height: 1.06;
}

.workbench-panel p {
  position: relative;
  z-index: 1;
  max-width: 780px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 18px;
}

.panel-modules {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.panel-modules span {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--brand-white);
  background: rgba(255, 255, 255, 0.1);
}

.panel-output {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.panel-output span {
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--font-mono);
  font-size: 12px;
}

.panel-output strong {
  font-size: 20px;
}

.proof-section {
  padding: var(--space-9) 0;
}

.proof-layout {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: var(--space-7);
}

.proof-cards {
  display: grid;
  gap: var(--space-4);
}

.proof-cards article {
  min-height: 180px;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.72);
}

.proof-cards article:nth-child(2)::before {
  background: var(--brand-blue);
}

.proof-cards article:nth-child(3)::before {
  background: var(--brand-gold);
}

.proof-cards span {
  color: var(--neutral-500);
}

.aws-roadmap {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-md);
  padding-right: var(--space-5);
  padding-left: var(--space-5);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(1.18);
}

.cloud-map {
  display: grid;
  grid-template-columns: 0.78fr 1.4fr 0.78fr;
  gap: var(--space-4);
  align-items: center;
}

.cloud-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.cloud-flow::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(23, 107, 255, 0.5), transparent);
  transform: translateY(-50%);
}

.cloud-node {
  position: relative;
  z-index: 1;
  min-height: 132px;
  display: grid;
  align-content: center;
  gap: var(--space-2);
  overflow: hidden;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.64);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.cloud-node span {
  position: relative;
  z-index: 1;
  color: var(--neutral-500);
}

.cloud-node strong {
  position: relative;
  z-index: 1;
}

.primary-node {
  border-color: rgba(23, 107, 255, 0.38);
  background: rgba(238, 245, 255, 0.72);
}

.audit-node {
  border-color: rgba(200, 162, 74, 0.45);
  background: rgba(251, 246, 232, 0.78);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, 520px);
  gap: var(--space-7);
  align-items: center;
}

.contact-copy {
  max-width: 720px;
}

.contact-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--space-3);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  color: var(--brand-white);
  background: rgba(8, 14, 27, 0.72);
}

.contact-panel::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius-md) - 1px);
  background:
    linear-gradient(120deg, rgba(38, 198, 218, 0.16), transparent 34%),
    linear-gradient(300deg, rgba(200, 162, 74, 0.16), transparent 38%);
  pointer-events: none;
}

.contact-panel p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
  font-weight: 800;
}

.contact-panel a {
  position: relative;
  z-index: 1;
}

.contact-panel a {
  color: var(--brand-white);
  font-size: clamp(21px, 2vw, 28px);
  font-weight: 800;
  max-width: 100%;
  overflow-wrap: normal;
  white-space: nowrap;
  word-break: normal;
}

.site-footer {
  width: min(var(--content), calc(100vw - 40px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0 var(--space-6);
  color: var(--neutral-500);
  font-size: 13px;
}

.site-footer span:first-child {
  color: var(--brand-ink);
  font-weight: 800;
}

[data-reveal] {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes drift-a {
  from {
    transform: translate3d(0, 0, 0) skewX(-8deg);
  }
  to {
    transform: translate3d(-4vw, 3vh, 0) skewX(-4deg);
  }
}

@keyframes drift-b {
  from {
    transform: translate3d(0, 0, 0) skewX(6deg);
  }
  to {
    transform: translate3d(6vw, -2vh, 0) skewX(10deg);
  }
}

@keyframes drift-c {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-3vw, -4vh, 0);
  }
}

@keyframes sweep {
  from {
    transform: translateX(-12vw) rotate(18deg);
  }
  to {
    transform: translateX(160vw) rotate(18deg);
  }
}

@keyframes data-line {
  from {
    transform: translateX(-20vw) rotate(-11deg);
  }
  to {
    transform: translateX(140vw) rotate(-11deg);
  }
}

@keyframes bridge-pulse {
  0% {
    transform: translateX(-110%);
  }
  52%,
  100% {
    transform: translateX(110%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}

@media (max-width: 1500px) {
  .stage-column-right {
    width: min(430px, 36vw);
  }

  .hero-content {
    max-width: min(650px, 52vw);
  }
}

@media (max-width: 1100px) {
  .service-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .business-grid,
  .ai-tools-home {
    grid-template-columns: 1fr;
  }

  .service-card:first-child,
  .service-card:nth-child(2) {
    grid-row: auto;
    grid-column: auto;
  }

  .service-card {
    min-height: 340px;
  }

  .stage-column-right {
    width: 42vw;
  }

  .cloud-map,
  .cloud-flow {
    grid-template-columns: 1fr;
  }

  .cloud-flow::before {
    display: none;
  }
}

@media (max-width: 920px) {
  .site-header {
    position: absolute;
    right: 20px;
    left: 20px;
  }

  .nav {
    flex: 1 1 auto;
    justify-content: flex-end;
    gap: var(--space-3);
  }

  .stage-column-left {
    display: none;
  }

  .stage-column-right {
    top: 124px;
    right: 20px;
    width: min(420px, 44vw);
    opacity: 0.34;
  }

  .hero-content {
    max-width: 680px;
  }

  .bridge-signal {
    width: min(520px, 100%);
  }

  .hero-proof,
  .brief-grid,
  .method-layout,
  .workbench-grid,
  .proof-layout,
  .ai-tools-home,
  .contact {
    grid-template-columns: 1fr;
  }

  .delivery-rail article {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .delivery-rail article p {
    grid-column: 2;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-2);
    min-height: 132px;
    padding: var(--space-3);
  }

  .brand-logo {
    width: 152px;
  }

  .nav {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    column-gap: var(--space-3);
    row-gap: 2px;
    font-size: 12px;
  }

  .language-switch {
    margin-left: auto;
  }

  .language-button {
    min-width: 38px;
    min-height: 28px;
    padding: 0 9px;
  }

  .section {
    width: min(100vw - 28px, var(--content));
  }

  .hero {
    min-height: 100dvh;
    padding: 204px 14px var(--space-6);
  }

  .motion-lines {
    display: none;
  }

  .stage-column-right {
    display: none;
  }

  h1 {
    font-size: clamp(36px, 9.3vw, 44px);
    line-height: 1.12;
  }

  html[data-lang="en"] .hero-content {
    max-width: 100%;
  }

  html[data-lang="en"] h1 {
    max-width: 380px;
    font-size: clamp(44px, 13vw, 58px);
    line-height: 0.98;
    white-space: normal;
  }

  html[data-lang="zh"] h1 {
    max-width: 100%;
    font-size: clamp(34px, 8.5vw, 42px);
    line-height: 1.16;
  }

  html[data-lang="en"] h2 {
    font-size: clamp(31px, 8.6vw, 38px);
    line-height: 1.12;
  }

  html[data-lang="en"] .hero-lede {
    max-width: 100%;
    line-height: 1.58;
  }

  .hero-lede-equation {
    gap: 6px 18px;
  }

  .hero-lede,
  .workbench-panel p {
    font-size: 16px;
    line-height: 1.72;
  }

  html[data-lang="zh"] .hero-lede {
    font-size: 17px;
    line-height: 1.58;
  }

  .hero-actions,
  .brief-items,
  .panel-modules {
    flex-direction: column;
  }

  .bridge-signal {
    grid-template-columns: repeat(4, auto);
    gap: var(--space-2);
    margin-top: var(--space-4);
    font-size: 10px;
  }

  .bridge-signal i {
    display: none;
  }

  .button,
  .copy-button {
    width: 100%;
  }

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

  .hero-proof {
    gap: var(--space-3);
    margin-top: var(--space-7);
  }

  .hero-proof div {
    min-height: auto;
  }

  .brief-band {
    width: min(100vw - 28px, var(--content));
  }

  .brief-grid {
    padding: var(--space-4);
  }

  .services,
  .workbench,
  .business-lines,
  .ai-tools-home,
  .aws-roadmap,
  .contact,
  .method-section,
  .proof-section {
    padding: var(--space-8) 0;
  }

  .service-card {
    min-height: auto;
  }

  .business-card,
  .tools-feature-card {
    min-height: auto;
    padding: var(--space-5);
  }

  .ai-tools-home {
    margin-bottom: var(--space-6);
  }

  .ai-tools-copy h2 {
    font-size: clamp(30px, 8vw, 42px);
  }

  .service-card h3 {
    padding-right: 54px;
  }

  .service-card[data-step]::after {
    top: var(--space-4);
    right: var(--space-4);
    font-size: 42px;
  }

  .workbench-panel {
    min-height: 440px;
    padding: var(--space-5);
  }

  .panel-header strong {
    font-size: 30px;
    line-height: 1.18;
  }

  .contact-panel a {
    font-size: 18px;
  }

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